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Merge remote-tracking branch 'origin/develop' into filter_harness

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This commit is contained in:
Markus Makela
2014-10-06 09:43:42 +03:00
parent 524f693991 e17607b0d3
commit 1adc6ac5e8
200 changed files with 3089 additions and 1092 deletions
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6
server/CMakeLists.txt Normal file
View File

@ -0,0 +1,6 @@
add_subdirectory(core)
add_subdirectory(modules)
add_subdirectory(inih)
if(BUILD_TESTS)
add_subdirectory(test)
endif()

4
server/Makefile
View File

@ -1,4 +1,4 @@
# This file is distributed as part of the SkySQL Gateway. It is free
# This file is distributed as part of the MariaDB Corporation MaxScale. It is free
# software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation,
# version 2.
@ -12,7 +12,7 @@
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright SkySQL Ab 2013
# Copyright MariaDB Corporation Ab 2013
#
# Revision History
# Date Who Description

23
server/core/CMakeLists.txt Normal file
View File

@ -0,0 +1,23 @@
if(BUILD_TESTS)
file(GLOB FULLCORE_SRC *.c)
add_library(fullcore STATIC ${FULLCORE_SRC})
target_link_libraries(fullcore log_manager utils pthread ${EMBEDDED_LIB} ssl aio rt crypt dl crypto inih z m stdc++)
endif()
add_executable(maxscale atomic.c buffer.c spinlock.c gateway.c
gw_utils.c utils.c dcb.c load_utils.c session.c service.c server.c
poll.c config.c users.c hashtable.c dbusers.c thread.c gwbitmask.c
monitor.c adminusers.c secrets.c filter.c modutil.c hint.c housekeeper.c)
target_link_libraries(maxscale ${EMBEDDED_LIB} log_manager utils ssl aio pthread crypt dl crypto inih z rt m stdc++)
install(TARGETS maxscale DESTINATION bin)
add_executable(maxkeys maxkeys.c secrets.c utils.c)
target_link_libraries(maxkeys log_manager utils pthread crypt crypto)
install(TARGETS maxkeys DESTINATION bin)
add_executable(maxpasswd maxpasswd.c secrets.c utils.c)
target_link_libraries(maxpasswd log_manager utils pthread crypt crypto)
install(TARGETS maxpasswd DESTINATION bin)
if(BUILD_TESTS)
add_subdirectory(test)
endif()

6
server/core/Makefile
View File

@ -1,4 +1,4 @@
# This file is distributed as part of the SkySQL Gateway. It is free
# This file is distributed as part of the MariaDB Corporation MaxScale. It is free
# software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation,
# version 2.
@ -12,7 +12,7 @@
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright SkySQL Ab 2013
# Copyright MariaDB Corporation Ab 2013
#
# Revision History
# Date Who Description
@ -47,7 +47,7 @@ CC=cc
CFLAGS=-c -I/usr/include -I../include -I../modules/include -I../inih \
$(MYSQL_HEADERS) \
-I$(LOGPATH) -I$(UTILSPATH) \
-Wall -g
-Wall -pedantic -g
LDFLAGS=-rdynamic -L$(LOGPATH) \
-Wl,-rpath,$(DEST)/lib \

4
server/core/adminusers.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <stdio.h>
#include <stdlib.h>

4
server/core/atomic.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

43
server/core/buffer.c
View File

@ -65,20 +65,20 @@ gwbuf_alloc(unsigned int size)
GWBUF *rval;
SHARED_BUF *sbuf;
// Allocate the buffer header
/* Allocate the buffer header */
if ((rval = (GWBUF *)malloc(sizeof(GWBUF))) == NULL)
{
return NULL;
}
// Allocate the shared data buffer
/* Allocate the shared data buffer */
if ((sbuf = (SHARED_BUF *)malloc(sizeof(SHARED_BUF))) == NULL)
{
free(rval);
return NULL;
}
// Allocate the space for the actual data
/* Allocate the space for the actual data */
if ((sbuf->data = (unsigned char *)malloc(size)) == NULL)
{
free(rval);
@ -87,7 +87,7 @@ SHARED_BUF *sbuf;
}
spinlock_init(&rval->gwbuf_lock);
rval->start = sbuf->data;
rval->end = rval->start + size;
rval->end = (void *)((char *)rval->start+size);
sbuf->refcount = 1;
rval->sbuf = sbuf;
rval->next = NULL;
@ -197,8 +197,8 @@ GWBUF *gwbuf_clone_portion(
atomic_add(&buf->sbuf->refcount, 1);
clonebuf->sbuf = buf->sbuf;
clonebuf->gwbuf_type = buf->gwbuf_type; /*< clone info bits too */
clonebuf->start = (void *)((char*)buf->start)+start_offset;
clonebuf->end = (void *)((char *)clonebuf->start)+length;
clonebuf->start = (void *)((char*)buf->start+start_offset);
clonebuf->end = (void *)((char *)clonebuf->start+length);
clonebuf->gwbuf_type = buf->gwbuf_type; /*< clone the type for now */
clonebuf->properties = NULL;
clonebuf->hint = NULL;
@ -277,8 +277,6 @@ return_clonebuf:
GWBUF *
gwbuf_append(GWBUF *head, GWBUF *tail)
{
GWBUF *ptr = head;
if (!head)
return tail;
CHK_GWBUF(head);
@ -311,7 +309,7 @@ GWBUF *rval = head;
CHK_GWBUF(head);
GWBUF_CONSUME(head, length);
CHK_GWBUF(head);
CHK_GWBUF(head);
if (GWBUF_EMPTY(head))
{
@ -370,11 +368,36 @@ gwbuf_trim(GWBUF *buf, unsigned int n_bytes)
gwbuf_consume(buf, GWBUF_LENGTH(buf));
return NULL;
}
buf->end -= n_bytes;
buf->end = (void *)((char *)buf->end - n_bytes);
return buf;
}
/**
* Trim bytes from the end of a GWBUF structure that may be the first
* in a list. If the buffer has n_bytes or less then it will be freed and
* the next buffer in the list will be returned, or if none, NULL.
*
* @param head The buffer to trim
* @param n_bytes The number of bytes to trim off
* @return The buffer chain or NULL if buffer chain now empty
*/
GWBUF *
gwbuf_rtrim(GWBUF *head, unsigned int n_bytes)
{
GWBUF *rval = head;
CHK_GWBUF(head);
GWBUF_RTRIM(head, n_bytes);
CHK_GWBUF(head);
if (GWBUF_EMPTY(head))
{
rval = head->next;
gwbuf_free(head);
}
return rval;
}
/**
* Set given type to all buffers on the list.
* *

6
server/core/config.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -131,7 +131,7 @@ CONFIG_PARAMETER *param, *p1;
ptr->element = NULL;
cntxt->next = ptr;
}
/* Check to see if the paramter already exists for the section */
/* Check to see if the parameter already exists for the section */
p1 = ptr->parameters;
while (p1)
{

4
server/core/dbusers.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

238
server/core/dcb.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -32,7 +32,7 @@
* 12/06/13 Mark Riddoch Initial implementation
* 21/06/13 Massimiliano Pinto free_dcb is used
* 25/06/13 Massimiliano Pinto Added checks to session and router_session
* 28/06/13 Mark Riddoch Changed the free mechanism ti
* 28/06/13 Mark Riddoch Changed the free mechanism to
* introduce a zombie state for the
* dcb
* 02/07/2013 Massimiliano Pinto Addition of delayqlock, delayq and
@ -73,7 +73,7 @@
extern int lm_enabled_logfiles_bitmask;
static DCB *allDCBs = NULL; /* Diagnotics need a list of DCBs */
static DCB *allDCBs = NULL; /* Diagnostics need a list of DCBs */
static DCB *zombies = NULL;
static SPINLOCK dcbspin = SPINLOCK_INIT;
static SPINLOCK zombiespin = SPINLOCK_INIT;
@ -88,6 +88,7 @@ static DCB* dcb_get_next (DCB* dcb);
static int dcb_null_write(DCB *dcb, GWBUF *buf);
static int dcb_null_close(DCB *dcb);
static int dcb_null_auth(DCB *dcb, SERVER *server, SESSION *session, GWBUF *buf);
static int dcb_isvalid_nolock(DCB *dcb);
/**
* Return the pointer to the lsit of zombie DCB's
@ -123,12 +124,6 @@ DCB *rval;
rval->dcb_errhandle_called = false;
#endif
rval->dcb_role = role;
#if 1
simple_mutex_init(&rval->dcb_write_lock, "DCB write mutex");
simple_mutex_init(&rval->dcb_read_lock, "DCB read mutex");
rval->dcb_write_active = false;
rval->dcb_read_active = false;
#endif
spinlock_init(&rval->dcb_initlock);
spinlock_init(&rval->writeqlock);
spinlock_init(&rval->delayqlock);
@ -141,6 +136,13 @@ DCB *rval;
rval->polloutbusy = 0;
rval->writecheck = 0;
rval->fd = -1;
rval->evq.next = NULL;
rval->evq.prev = NULL;
rval->evq.pending_events = 0;
rval->evq.processing = 0;
spinlock_init(&rval->evq.eventqlock);
memset(&rval->stats, 0, sizeof(DCBSTATS)); // Zero the statistics
rval->state = DCB_STATE_ALLOC;
bitmask_init(&rval->memdata.bitmask);
@ -218,43 +220,11 @@ dcb_add_to_zombieslist(DCB *dcb)
spinlock_release(&zombiespin);
return;
}
#if 1
/*<
* Add closing dcb to the top of the list.
*/
dcb->memdata.next = zombies;
zombies = dcb;
#else
if (zombies == NULL) {
zombies = dcb;
} else {
DCB *ptr = zombies;
while (ptr->memdata.next)
{
ss_info_dassert(
ptr->memdata.next->state == DCB_STATE_ZOMBIE,
"Next zombie is not in DCB_STATE_ZOMBIE state");
ss_info_dassert(
ptr != dcb,
"Attempt to add DCB to zombies list although it "
"is already there.");
if (ptr == dcb)
{
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error : Attempt to add DCB to zombies "
"list when it is already in the list")));
break;
}
ptr = ptr->memdata.next;
}
if (ptr != dcb) {
ptr->memdata.next = dcb;
}
}
#endif
/*<
* Set state which indicates that it has been added to zombies
* list.
@ -389,8 +359,6 @@ DCB_CALLBACK *cb;
spinlock_release(&dcb->cb_lock);
bitmask_free(&dcb->memdata.bitmask);
simple_mutex_done(&dcb->dcb_read_lock);
simple_mutex_done(&dcb->dcb_write_lock);
free(dcb);
}
@ -404,15 +372,10 @@ DCB_CALLBACK *cb;
* the memdata.bitmask then the DCB is no longer able to be
* referenced and it can be finally removed.
*
* The excluded DCB allows a thread to exclude a DCB from zombie processing.
* It is used when a thread calls dcb_process_zombies when there is
* a DCB that the caller knows it will continue processing with.
*
* @param threadid The thread ID of the caller
* @param excluded The DCB the thread currently uses, NULL or valid DCB.
*/
DCB *
dcb_process_zombies(int threadid, DCB *excluded)
dcb_process_zombies(int threadid)
{
DCB *ptr, *lptr;
DCB* dcb_list = NULL;
@ -446,9 +409,10 @@ bool succp = false;
CHK_DCB(ptr);
/*
* Skip processing of the excluded DCB
* Skip processing of DCB's that are
* in the event queue waiting to be processed.
*/
if (ptr == excluded)
if (ptr->evq.next || ptr->evq.prev)
{
lptr = ptr;
ptr = ptr->memdata.next;
@ -522,7 +486,6 @@ bool succp = false;
/*<
* Close file descriptor and move to clean-up phase.
*/
ss_dassert(excluded != dcb);
rc = close(dcb->fd);
if (rc < 0) {
@ -1255,7 +1218,7 @@ printDCB(DCB *dcb)
static void
spin_reporter(void *dcb, char *desc, int value)
{
dcb_printf((DCB *)dcb, "\t\t%-35s %d\n", desc, value);
dcb_printf((DCB *)dcb, "\t\t%-40s %d\n", desc, value);
}
@ -1316,10 +1279,6 @@ DCB *dcb;
dcb_printf(pdcb, "\t\tNo. of Writes: %d\n", dcb->stats.n_writes);
dcb_printf(pdcb, "\t\tNo. of Buffered Writes: %d\n", dcb->stats.n_buffered);
dcb_printf(pdcb, "\t\tNo. of Accepts: %d\n", dcb->stats.n_accepts);
dcb_printf(pdcb, "\t\tNo. of busy polls: %d\n", dcb->stats.n_busypolls);
dcb_printf(pdcb, "\t\tNo. of read rechecks: %d\n", dcb->stats.n_readrechecks);
dcb_printf(pdcb, "\t\tNo. of busy write polls: %d\n", dcb->stats.n_busywrpolls);
dcb_printf(pdcb, "\t\tNo. of write rechecks: %d\n", dcb->stats.n_writerechecks);
dcb_printf(pdcb, "\t\tNo. of High Water Events: %d\n", dcb->stats.n_high_water);
dcb_printf(pdcb, "\t\tNo. of Low Water Events: %d\n", dcb->stats.n_low_water);
if (dcb->flags & DCBF_CLONE)
@ -1427,10 +1386,6 @@ dprintDCB(DCB *pdcb, DCB *dcb)
dcb->stats.n_buffered);
dcb_printf(pdcb, "\t\tNo. of Accepts: %d\n",
dcb->stats.n_accepts);
dcb_printf(pdcb, "\t\tNo. of busy polls: %d\n", dcb->stats.n_busypolls);
dcb_printf(pdcb, "\t\tNo. of read rechecks: %d\n", dcb->stats.n_readrechecks);
dcb_printf(pdcb, "\t\tNo. of busy write polls: %d\n", dcb->stats.n_busywrpolls);
dcb_printf(pdcb, "\t\tNo. of write rechecks: %d\n", dcb->stats.n_writerechecks);
dcb_printf(pdcb, "\t\tNo. of High Water Events: %d\n",
dcb->stats.n_high_water);
dcb_printf(pdcb, "\t\tNo. of Low Water Events: %d\n",
@ -1939,113 +1894,40 @@ dcb_isvalid(DCB *dcb)
DCB *ptr;
int rval = 0;
if (dcb)
{
spinlock_acquire(&dcbspin);
rval = dcb_isvalid_nolock(dcb);
spinlock_release(&dcbspin);
}
return rval;
}
/**
* Check the passed DCB to ensure it is in the list of allDCBS.
* Requires that the DCB list is already locked before call.
*
* @param dcb The DCB to check
* @return 1 if the DCB is in the list, otherwise 0
*/
static int
dcb_isvalid_nolock(DCB *dcb)
{
DCB *ptr;
int rval = 0;
if (dcb)
{
ptr = allDCBs;
while (ptr)
while (ptr && ptr != dcb)
{
if (ptr == dcb)
{
rval = 1;
break;
}
ptr = ptr->next;
}
spinlock_release(&dcbspin);
return rval;
}
/**
* Called by the EPOLLIN event. Take care of calling the protocol
* read entry point and managing multiple threads competing for the DCB
* without blocking those threads.
*
* This mechanism does away with the need for a mutex on the EPOLLIN event
* and instead implements a queuing mechanism in which nested events are
* queued on the DCB such that when the thread processing the first event
* returns it will read the queued event and process it. This allows the
* thread that would otherwise have to wait to process the nested event
* to return immediately and and process other events.
*
* @param dcb The DCB that has data available
* @param thread_id The ID of the calling thread
* @param nozombies If non-zero then do not do zombie processing
*/
void
dcb_pollin(DCB *dcb, int thread_id, int nozombies)
{
spinlock_acquire(&dcb->pollinlock);
if (dcb->pollinbusy == 0)
{
dcb->pollinbusy = 1;
do {
if (dcb->readcheck)
{
dcb->stats.n_readrechecks++;
if (!nozombies)
dcb_process_zombies(thread_id, dcb);
}
dcb->readcheck = 0;
spinlock_release(&dcb->pollinlock);
dcb->func.read(dcb);
spinlock_acquire(&dcb->pollinlock);
} while (dcb->readcheck);
dcb->pollinbusy = 0;
}
else
{
dcb->stats.n_busypolls++;
dcb->readcheck = 1;
}
spinlock_release(&dcb->pollinlock);
}
/**
* Called by the EPOLLOUT event. Take care of calling the protocol
* write_ready entry point and managing multiple threads competing for the DCB
* without blocking those threads.
*
* This mechanism does away with the need for a mutex on the EPOLLOUT event
* and instead implements a queuing mechanism in which nested events are
* queued on the DCB such that when the thread processing the first event
* returns it will read the queued event and process it. This allows the
* thread that would otherwise have to wait to process the nested event
* to return immediately and and process other events.
*
* @param dcb The DCB thats available for writes
* @param thread_id The ID of the calling thread
* @param nozombies If non-zero then do not do zombie processing
*/
void
dcb_pollout(DCB *dcb, int thread_id, int nozombies)
{
spinlock_acquire(&dcb->polloutlock);
if (dcb->polloutbusy == 0)
{
dcb->polloutbusy = 1;
do {
if (dcb->writecheck)
{
if (!nozombies)
dcb_process_zombies(thread_id, dcb);
dcb->stats.n_writerechecks++;
}
dcb->writecheck = 0;
spinlock_release(&dcb->polloutlock);
dcb->func.write_ready(dcb);
spinlock_acquire(&dcb->polloutlock);
} while (dcb->writecheck);
dcb->polloutbusy = 0;
}
else
{
dcb->stats.n_busywrpolls++;
dcb->writecheck = 1;
}
spinlock_release(&dcb->polloutlock);
rval = (ptr == dcb);
}
return rval;
}
@ -2058,33 +1940,11 @@ dcb_pollout(DCB *dcb, int thread_id, int nozombies)
static DCB *
dcb_get_next (DCB* dcb)
{
DCB* p;
spinlock_acquire(&dcbspin);
p = allDCBs;
if (dcb == NULL || p == NULL)
{
dcb = p;
}
else
{
while (p != NULL && dcb != p)
{
p = p->next;
}
if (p != NULL)
{
dcb = p->next;
}
else
{
dcb = NULL;
}
if (dcb) {
dcb = dcb_isvalid_nolock(dcb) ? dcb->next : NULL;
}
else dcb = allDCBs;
spinlock_release(&dcbspin);
return dcb;

4
server/core/filter.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale from SkySQL. It is free
* This file is distributed as part of MaxScale from MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

11
server/core/gateway.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*
*/
@ -88,7 +88,7 @@ extern int lm_enabled_logfiles_bitmask;
* is not fixed here and will be updated elsewhere.
*/
static char* server_options[] = {
"SkySQL Gateway",
"MariaDB Corporation MaxScale",
"--no-defaults",
"--datadir=",
"--language=",
@ -387,7 +387,7 @@ static bool file_write_header(
*t = time(NULL);
*tm = *localtime(t);
header_buf1 = "\n\nSkySQL MaxScale " MAXSCALE_VERSION "\t";
header_buf1 = "\n\nMariaDB Corporation MaxScale " MAXSCALE_VERSION "\t";
header_buf2 = strdup(asctime(tm));
if (header_buf2 == NULL) {
@ -1539,7 +1539,7 @@ int main(int argc, char **argv)
}
LOGIF(LM, (skygw_log_write(
LOGFILE_MESSAGE,
"SkySQL MaxScale %s (C) SkySQL Ab 2013,2014",
"MariaDB Corporation MaxScale %s (C) MariaDB Corporation Ab 2013-2014",
MAXSCALE_VERSION)));
LOGIF(LM, (skygw_log_write(
LOGFILE_MESSAGE,
@ -1646,6 +1646,7 @@ void
shutdown_server()
{
poll_shutdown();
hkshutdown();
log_flush_shutdown();
}

7
server/core/gw_utils.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*
*/
@ -34,6 +34,7 @@
* 25-09-2013 Massimiliano Pinto setipaddress uses getaddrinfo
* 06-02-2014 Mark Riddoch Added parse_bindconfig
* 10-02-2014 Massimiliano Pinto Added return code to setipaddress
* 02-09-2014 Martin Brampton Replace C++ comment with C comment
*
*@endverbatim
*/
@ -148,7 +149,7 @@ void gw_daemonize(void) {
}
if (pid != 0) {
// exit from main
/* exit from main */
exit(0);
}

4
server/core/gwbitmask.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <stdlib.h>
#include <string.h>

4
server/core/hashtable.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <stdio.h>
#include <stdlib.h>

2
server/core/hint.c
View File

@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <stdio.h>
#include <stdlib.h>

18
server/core/housekeeper.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <stdlib.h>
#include <string.h>
@ -42,6 +42,8 @@ static HKTASK *tasks = NULL;
*/
static SPINLOCK tasklock = SPINLOCK_INIT;
static int do_shutdown = 0;
static void hkthread(void *);
/**
@ -172,6 +174,8 @@ void *taskdata;
for (;;)
{
if (do_shutdown)
return;
thread_millisleep(1000);
now = time(0);
spinlock_acquire(&tasklock);
@ -194,3 +198,13 @@ void *taskdata;
spinlock_release(&tasklock);
}
}
/**
* Called to shutdown the housekeeper
*
*/
void
hkshutdown()
{
do_shutdown = 1;
}

4
server/core/load_utils.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

4
server/core/maxkeys.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

4
server/core/maxpasswd.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

16
server/core/modutil.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale from SkySQL. It is free
* This file is distributed as part of MaxScale from MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**
@ -76,7 +76,7 @@ unsigned char *ptr;
ptr = GWBUF_DATA(buf);
*length = *ptr++;
*length += (*ptr++ << 8);
*length += (*ptr++ << 8);
*length += (*ptr++ << 16);
ptr += 2; // Skip sequence id and COM_QUERY byte
*length = *length - 1;
*sql = (char *)ptr;
@ -111,7 +111,7 @@ unsigned char *ptr;
ptr = GWBUF_DATA(buf);
*residual = *ptr++;
*residual += (*ptr++ << 8);
*residual += (*ptr++ << 8);
*residual += (*ptr++ << 16);
ptr += 2; // Skip sequence id and COM_QUERY byte
*residual = *residual - 1;
*length = GWBUF_LENGTH(buf) - 5;
@ -143,7 +143,7 @@ GWBUF *addition;
ptr = GWBUF_DATA(orig);
length = *ptr++;
length += (*ptr++ << 8);
length += (*ptr++ << 8);
length += (*ptr++ << 16);
ptr += 2; // Skip sequence id and COM_QUERY byte
newlength = strlen(sql);
@ -178,11 +178,11 @@ GWBUF *addition;
*
* @param buf GWBUF buffer including the query
*
* @return Plaint text query if the packet type is COM_QUERY. Otherwise return
* @return Plain text query if the packet type is COM_QUERY. Otherwise return
* a string including the packet type.
*/
char* modutil_get_query(
GWBUF* buf)
char *
modutil_get_query(GWBUF *buf)
{
uint8_t* packet;
mysql_server_cmd_t packet_type;

14
server/core/monitor.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -234,17 +234,17 @@ MONITOR *ptr;
spinlock_acquire(&monLock);
ptr = allMonitors;
dcb_printf(dcb, "+----------------------+---------------------\n");
dcb_printf(dcb, "| %-20s | Status\n", "Monitor");
dcb_printf(dcb, "+----------------------+---------------------\n");
dcb_printf(dcb, "---------------------+---------------------\n");
dcb_printf(dcb, "%-20s | Status\n", "Monitor");
dcb_printf(dcb, "---------------------+---------------------\n");
while (ptr)
{
dcb_printf(dcb, "| %-20s | %s\n", ptr->name,
dcb_printf(dcb, "%-20s | %s\n", ptr->name,
ptr->state & MONITOR_STATE_RUNNING
? "Running" : "Stopped");
ptr = ptr->next;
}
dcb_printf(dcb, "+----------------------+---------------------\n");
dcb_printf(dcb, "---------------------+---------------------\n");
spinlock_release(&monLock);
}

667
server/core/poll.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <stdio.h>
#include <string.h>
@ -30,6 +30,13 @@
#include <gw.h>
#include <config.h>
#include <housekeeper.h>
#include <mysql.h>
#define PROFILE_POLL 1
#if PROFILE_POLL
#include <rdtsc.h>
#endif
extern int lm_enabled_logfiles_bitmask;
@ -47,6 +54,11 @@ extern int lm_enabled_logfiles_bitmask;
* etc.
* 23/09/14 Mark Riddoch Make use of RDHUP conditional to allow CentOS 5
* builds.
* 24/09/14 Mark Riddoch Introduction of the event queue for processing the
* incoming events rather than processing them immediately
* in the loop after the epoll_wait. This allows for better
* thread utilisaiton and fairer scheduling of the event
* processing.
*
* @endverbatim
*/
@ -65,6 +77,11 @@ static GWBITMASK poll_mask;
static simple_mutex_t epoll_wait_mutex; /*< serializes calls to epoll_wait */
#endif
static int n_waiting = 0; /*< No. of threads in epoll_wait */
static int process_pollq(int thread_id);
DCB *eventq = NULL;
SPINLOCK pollqlock = SPINLOCK_INIT;
/**
* Thread load average, this is the average number of descriptors in each
@ -125,6 +142,8 @@ static struct {
int n_nothreads; /*< Number of times no threads are polling */
int n_fds[MAXNFDS]; /*< Number of wakeups with particular
n_fds value */
int evq_length; /*< Event queue length */
int evq_max; /*< Maximum event queue length */
} pollStats;
/**
@ -338,6 +357,17 @@ return_rc:
* deschedule a process if a timeout is included, but will not do this if a 0 timeout
* value is given. this improves performance when the gateway is under heavy load.
*
* In order to provide a fairer means of sharign the threads between the different
* DCB's the poll mechanism has been decoupled from the processing of the events.
* The events are now recieved via the epoll_wait call, a queue of DCB's that have
* events pending is maintained and as new events arrive the DCB is added to the end
* of this queue. If an eent arrives for a DCB alreayd in the queue, then the event
* bits are added to the DCB but the DCB mantains the same point in the queue unless
* the original events are already being processed. If they are being processed then
* the DCB is moved to the back of the queue, this means that a DCB that is receiving
* events at a high rate will not block the execution of events for other DCB's and
* should result in a fairer polling strategy.
*
* @param arg The thread ID passed as a void * to satisfy the threading package
*/
void
@ -346,8 +376,6 @@ poll_waitevents(void *arg)
struct epoll_event events[MAX_EVENTS];
int i, nfds;
int thread_id = (int)arg;
bool no_op = false;
static bool process_zombies_only = false; /*< flag for all threads */
DCB *zombies = NULL;
/** Add this thread to the bitmask of running polling threads */
@ -362,20 +390,19 @@ DCB *zombies = NULL;
while (1)
{
/* Process of the queue of waiting requests */
while (do_shutdown == 0 && process_pollq(thread_id))
{
if (thread_data)
thread_data[thread_id].state = THREAD_ZPROCESSING;
zombies = dcb_process_zombies(thread_id);
}
atomic_add(&n_waiting, 1);
#if BLOCKINGPOLL
nfds = epoll_wait(epoll_fd, events, MAX_EVENTS, -1);
atomic_add(&n_waiting, -1);
#else /* BLOCKINGPOLL */
if (!no_op) {
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] MaxScale thread "
"%d > epoll_wait <",
pthread_self(),
thread_id)));
no_op = TRUE;
}
#if MUTEX_EPOLL
simple_mutex_lock(&epoll_wait_mutex, TRUE);
#endif
@ -396,32 +423,19 @@ DCB *zombies = NULL;
pthread_self(),
nfds,
eno)));
no_op = FALSE;
}
else if (nfds == 0)
/*
* If there are no new descriptors from the non-blocking call
* and nothing to proces on the event queue then for do a
* blocking call to epoll_wait.
*/
else if (nfds == 0 && process_pollq(thread_id) == 0)
{
atomic_add(&n_waiting, -1);
if (process_zombies_only) {
#if MUTEX_EPOLL
simple_mutex_unlock(&epoll_wait_mutex);
#endif
goto process_zombies;
} else {
nfds = epoll_wait(epoll_fd,
atomic_add(&n_waiting, 1);
nfds = epoll_wait(epoll_fd,
events,
MAX_EVENTS,
EPOLL_TIMEOUT);
/*<
* When there are zombies to be cleaned up but
* no client requests, allow all threads to call
* dcb_process_zombies without having to wait
* for the timeout.
*/
if (nfds == 0 && dcb_get_zombies() != NULL)
{
process_zombies_only = true;
}
}
}
else
{
@ -457,228 +471,64 @@ DCB *zombies = NULL;
atomic_add(&load_samples, 1);
atomic_add(&load_nfds, nfds);
/*
* Process every DCB that has a new event and add
* it to the poll queue.
* If the DCB is currently beign processed then we
* or in the new eent bits to the pending event bits
* and leave it in the queue.
* If the DCB was not already in the queue then it was
* idle and is added to the queue to process after
* setting the event bits.
*/
for (i = 0; i < nfds; i++)
{
DCB *dcb = (DCB *)events[i].data.ptr;
__uint32_t ev = events[i].events;
CHK_DCB(dcb);
if (thread_data)
spinlock_acquire(&pollqlock);
if (DCB_POLL_BUSY(dcb))
{
thread_data[thread_id].cur_dcb = dcb;
thread_data[thread_id].event = ev;
dcb->evq.pending_events |= ev;
}
#if defined(SS_DEBUG)
if (dcb_fake_write_ev[dcb->fd] != 0) {
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Added fake events %d to ev %d.",
pthread_self(),
dcb_fake_write_ev[dcb->fd],
ev)));
ev |= dcb_fake_write_ev[dcb->fd];
dcb_fake_write_ev[dcb->fd] = 0;
}
#endif
ss_debug(spinlock_acquire(&dcb->dcb_initlock);)
ss_dassert(dcb->state != DCB_STATE_ALLOC);
ss_dassert(dcb->state != DCB_STATE_DISCONNECTED);
ss_dassert(dcb->state != DCB_STATE_FREED);
ss_debug(spinlock_release(&dcb->dcb_initlock);)
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] event %d dcb %p "
"role %s",
pthread_self(),
ev,
dcb,
STRDCBROLE(dcb->dcb_role))));
if (ev & EPOLLOUT)
else
{
int eno = 0;
eno = gw_getsockerrno(dcb->fd);
if (eno == 0) {
#if MUTEX_BLOCK
simple_mutex_lock(
&dcb->dcb_write_lock,
true);
ss_info_dassert(
!dcb->dcb_write_active,
"Write already active");
dcb->dcb_write_active = TRUE;
atomic_add(
&pollStats.n_write,
1);
dcb->func.write_ready(dcb);
dcb->dcb_write_active = FALSE;
simple_mutex_unlock(
&dcb->dcb_write_lock);
#else
atomic_add(&pollStats.n_write,
1);
dcb_pollout(dcb, thread_id, nfds);
#endif
} else {
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLOUT due %d, %s. "
"dcb %p, fd %i",
pthread_self(),
eno,
strerror(eno),
dcb,
dcb->fd)));
}
}
if (ev & EPOLLIN)
{
#if MUTEX_BLOCK
simple_mutex_lock(&dcb->dcb_read_lock,
true);
ss_info_dassert(!dcb->dcb_read_active,
"Read already active");
dcb->dcb_read_active = TRUE;
#endif
if (dcb->state == DCB_STATE_LISTENING)
dcb->evq.pending_events = ev;
if (eventq)
{
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Accept in fd %d",
pthread_self(),
dcb->fd)));
atomic_add(
&pollStats.n_accept, 1);
dcb->func.accept(dcb);
}
else
{
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Read in dcb %p fd %d",
pthread_self(),
dcb,
dcb->fd)));
atomic_add(&pollStats.n_read, 1);
#if MUTEX_BLOCK
dcb->func.read(dcb);
#else
dcb_pollin(dcb, thread_id, nfds);
#endif
}
#if MUTEX_BLOCK
dcb->dcb_read_active = FALSE;
simple_mutex_unlock(
&dcb->dcb_read_lock);
#endif
}
if (ev & EPOLLERR)
{
int eno = gw_getsockerrno(dcb->fd);
#if defined(SS_DEBUG)
if (eno == 0) {
eno = dcb_fake_write_errno[dcb->fd];
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Added fake errno %d. "
"%s",
pthread_self(),
eno,
strerror(eno))));
}
dcb_fake_write_errno[dcb->fd] = 0;
#endif
if (eno != 0) {
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLERR due %d, %s.",
pthread_self(),
eno,
strerror(eno))));
}
atomic_add(&pollStats.n_error, 1);
dcb->func.error(dcb);
}
if (ev & EPOLLHUP)
{
int eno = 0;
eno = gw_getsockerrno(dcb->fd);
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLHUP on dcb %p, fd %d. "
"Errno %d, %s.",
pthread_self(),
dcb,
dcb->fd,
eno,
strerror(eno))));
atomic_add(&pollStats.n_hup, 1);
spinlock_acquire(&dcb->dcb_initlock);
if ((dcb->flags & DCBF_HUNG) == 0)
{
dcb->flags |= DCBF_HUNG;
spinlock_release(&dcb->dcb_initlock);
dcb->func.hangup(dcb);
dcb->evq.prev = eventq->evq.prev;
eventq->evq.prev->evq.next = dcb;
eventq->evq.prev = dcb;
dcb->evq.next = eventq;
}
else
spinlock_release(&dcb->dcb_initlock);
}
#ifdef EPOLLRDHUP
if (ev & EPOLLRDHUP)
{
int eno = 0;
eno = gw_getsockerrno(dcb->fd);
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLRDHUP on dcb %p, fd %d. "
"Errno %d, %s.",
pthread_self(),
dcb,
dcb->fd,
eno,
strerror(eno))));
atomic_add(&pollStats.n_hup, 1);
spinlock_acquire(&dcb->dcb_initlock);
if ((dcb->flags & DCBF_HUNG) == 0)
{
dcb->flags |= DCBF_HUNG;
spinlock_release(&dcb->dcb_initlock);
dcb->func.hangup(dcb);
eventq = dcb;
dcb->evq.prev = dcb;
dcb->evq.next = dcb;
}
pollStats.evq_length++;
if (pollStats.evq_length > pollStats.evq_max)
{
pollStats.evq_max = pollStats.evq_length;
}
else
spinlock_release(&dcb->dcb_initlock);
}
#endif
} /*< for */
no_op = FALSE;
} /*< if (nfds > 0) */
process_zombies:
if (thread_data)
{
thread_data[thread_id].state = THREAD_ZPROCESSING;
spinlock_release(&pollqlock);
}
}
zombies = dcb_process_zombies(thread_id, NULL);
if (zombies == NULL) {
process_zombies_only = false;
}
/*
* If there was nothing to process then process the zombie queue
*/
if (process_pollq(thread_id) == 0)
{
if (thread_data)
{
thread_data[thread_id].state = THREAD_ZPROCESSING;
}
zombies = dcb_process_zombies(thread_id);
}
if (do_shutdown)
{
/*<
@ -701,6 +551,320 @@ process_zombies:
} /*< while(1) */
}
/**
* Process of the queue of DCB's that have outstanding events
*
* The first event on the queue will be chosen to be executed by this thread,
* all other events will be left on the queue and may be picked up by other
* threads. When the processing is complete the thread will take the DCB off the
* queue if there are no pending events that have arrived since the thread started
* to process the DCB. If there are pending events the DCB will be moved to the
* back of the queue so that other DCB's will have a share of the threads to
* execute events for them.
*
* @param thread_id The thread ID of the calling thread
* @return 0 if no DCB's have been processed
*/
static int
process_pollq(int thread_id)
{
DCB *dcb;
int found = 0;
uint32_t ev;
spinlock_acquire(&pollqlock);
if (eventq == NULL)
{
/* Nothing to process */
spinlock_release(&pollqlock);
return 0;
}
dcb = eventq;
if (dcb->evq.next == dcb->evq.prev && dcb->evq.processing == 0)
{
found = 1;
dcb->evq.processing = 1;
}
else if (dcb->evq.next == dcb->evq.prev)
{
/* Only item in queue is being processed */
spinlock_release(&pollqlock);
return 0;
}
else
{
do {
dcb = dcb->evq.next;
} while (dcb != eventq && dcb->evq.processing == 1);
if (dcb->evq.processing == 0)
{
/* Found DCB to process */
dcb->evq.processing = 1;
found = 1;
}
}
if (found)
{
ev = dcb->evq.pending_events;
dcb->evq.pending_events = 0;
}
spinlock_release(&pollqlock);
if (found == 0)
return 0;
CHK_DCB(dcb);
if (thread_data)
{
thread_data[thread_id].state = THREAD_PROCESSING;
thread_data[thread_id].cur_dcb = dcb;
thread_data[thread_id].event = ev;
}
#if defined(SS_DEBUG)
if (dcb_fake_write_ev[dcb->fd] != 0) {
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Added fake events %d to ev %d.",
pthread_self(),
dcb_fake_write_ev[dcb->fd],
ev)));
ev |= dcb_fake_write_ev[dcb->fd];
dcb_fake_write_ev[dcb->fd] = 0;
}
#endif
ss_debug(spinlock_acquire(&dcb->dcb_initlock);)
ss_dassert(dcb->state != DCB_STATE_ALLOC);
ss_dassert(dcb->state != DCB_STATE_DISCONNECTED);
ss_dassert(dcb->state != DCB_STATE_FREED);
ss_debug(spinlock_release(&dcb->dcb_initlock);)
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] event %d dcb %p "
"role %s",
pthread_self(),
ev,
dcb,
STRDCBROLE(dcb->dcb_role))));
if (ev & EPOLLOUT)
{
int eno = 0;
eno = gw_getsockerrno(dcb->fd);
if (eno == 0) {
#if MUTEX_BLOCK
simple_mutex_lock(
&dcb->dcb_write_lock,
true);
ss_info_dassert(
!dcb->dcb_write_active,
"Write already active");
dcb->dcb_write_active = TRUE;
atomic_add(
&pollStats.n_write,
1);
dcb->func.write_ready(dcb);
dcb->dcb_write_active = FALSE;
simple_mutex_unlock(
&dcb->dcb_write_lock);
#else
atomic_add(&pollStats.n_write,
1);
dcb->func.write_ready(dcb);
#endif
} else {
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLOUT due %d, %s. "
"dcb %p, fd %i",
pthread_self(),
eno,
strerror(eno),
dcb,
dcb->fd)));
}
}
if (ev & EPOLLIN)
{
#if MUTEX_BLOCK
simple_mutex_lock(&dcb->dcb_read_lock,
true);
ss_info_dassert(!dcb->dcb_read_active,
"Read already active");
dcb->dcb_read_active = TRUE;
#endif
if (dcb->state == DCB_STATE_LISTENING)
{
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Accept in fd %d",
pthread_self(),
dcb->fd)));
atomic_add(
&pollStats.n_accept, 1);
dcb->func.accept(dcb);
}
else
{
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Read in dcb %p fd %d",
pthread_self(),
dcb,
dcb->fd)));
atomic_add(&pollStats.n_read, 1);
dcb->func.read(dcb);
}
#if MUTEX_BLOCK
dcb->dcb_read_active = FALSE;
simple_mutex_unlock(
&dcb->dcb_read_lock);
#endif
}
if (ev & EPOLLERR)
{
int eno = gw_getsockerrno(dcb->fd);
#if defined(SS_DEBUG)
if (eno == 0) {
eno = dcb_fake_write_errno[dcb->fd];
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"Added fake errno %d. "
"%s",
pthread_self(),
eno,
strerror(eno))));
}
dcb_fake_write_errno[dcb->fd] = 0;
#endif
if (eno != 0) {
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLERR due %d, %s.",
pthread_self(),
eno,
strerror(eno))));
}
atomic_add(&pollStats.n_error, 1);
dcb->func.error(dcb);
}
if (ev & EPOLLHUP)
{
int eno = 0;
eno = gw_getsockerrno(dcb->fd);
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLHUP on dcb %p, fd %d. "
"Errno %d, %s.",
pthread_self(),
dcb,
dcb->fd,
eno,
strerror(eno))));
atomic_add(&pollStats.n_hup, 1);
spinlock_acquire(&dcb->dcb_initlock);
if ((dcb->flags & DCBF_HUNG) == 0)
{
dcb->flags |= DCBF_HUNG;
spinlock_release(&dcb->dcb_initlock);
dcb->func.hangup(dcb);
}
else
spinlock_release(&dcb->dcb_initlock);
}
#ifdef EPOLLRDHUP
if (ev & EPOLLRDHUP)
{
int eno = 0;
eno = gw_getsockerrno(dcb->fd);
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [poll_waitevents] "
"EPOLLRDHUP on dcb %p, fd %d. "
"Errno %d, %s.",
pthread_self(),
dcb,
dcb->fd,
eno,
strerror(eno))));
atomic_add(&pollStats.n_hup, 1);
spinlock_acquire(&dcb->dcb_initlock);
if ((dcb->flags & DCBF_HUNG) == 0)
{
dcb->flags |= DCBF_HUNG;
spinlock_release(&dcb->dcb_initlock);
dcb->func.hangup(dcb);
}
else
spinlock_release(&dcb->dcb_initlock);
}
#endif
spinlock_acquire(&pollqlock);
if (dcb->evq.pending_events == 0)
{
/* No pending events so remove from the queue */
if (dcb->evq.prev != dcb)
{
dcb->evq.prev->evq.next = dcb->evq.next;
dcb->evq.next->evq.prev = dcb->evq.prev;
if (eventq == dcb)
eventq = dcb->evq.next;
}
else
{
eventq = NULL;
}
dcb->evq.next = NULL;
dcb->evq.prev = NULL;
pollStats.evq_length--;
}
else
{
/*
* We have a pending event, move to the end of the queue
* if there are any other DCB's in the queue.
*
* If we are the first item on the queue this is easy, we
* just bump the eventq pointer.
*/
if (dcb->evq.prev != dcb)
{
if (eventq == dcb)
eventq = dcb->evq.next;
else
{
dcb->evq.prev->evq.next = dcb->evq.next;
dcb->evq.next->evq.prev = dcb->evq.prev;
dcb->evq.prev = eventq->evq.prev;
dcb->evq.next = eventq;
eventq->evq.prev = dcb;
dcb->evq.prev->evq.next = dcb;
}
}
}
dcb->evq.processing = 0;
spinlock_release(&pollqlock);
return 1;
}
/**
* Shutdown the polling loop
*/
@ -721,6 +885,20 @@ poll_bitmask()
return &poll_mask;
}
/**
* Display an entry from the spinlock statistics data
*
* @param dcb The DCB to print to
* @param desc Description of the statistic
* @param value The statistic value
*/
static void
spin_reporter(void *dcb, char *desc, int value)
{
dcb_printf((DCB *)dcb, "\t%-40s %d\n", desc, value);
}
/**
* Debug routine to print the polling statistics
*
@ -745,6 +923,10 @@ int i;
pollStats.n_accept);
dcb_printf(dcb, "Number of times no threads polling: %d\n",
pollStats.n_nothreads);
dcb_printf(dcb, "Current event queue length: %d\n",
pollStats.evq_length);
dcb_printf(dcb, "Maximum event queue length: %d\n",
pollStats.evq_max);
dcb_printf(dcb, "No of poll completions with descriptors\n");
dcb_printf(dcb, "\tNo. of descriptors\tNo. of poll completions.\n");
@ -754,6 +936,11 @@ int i;
}
dcb_printf(dcb, "\t>= %d\t\t\t%d\n", MAXNFDS,
pollStats.n_fds[MAXNFDS-1]);
#if SPINLOCK_PROFILE
dcb_printf(dcb, "Event queue lock statistics:\n");
spinlock_stats(&pollqlock, spin_reporter, dcb);
#endif
}
/**

33
server/core/secrets.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <secrets.h>
@ -74,16 +74,29 @@ int len;
snprintf(secret_file, 255, "%s/etc/.secrets", home);
/* Try to access secrets file */
if (access(secret_file, R_OK) == -1) {
if (access(secret_file, R_OK) == -1)
{
int eno = errno;
errno = 0;
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error : access for secrets file "
"[%s] failed. Error %d, %s.",
secret_file,
eno,
strerror(eno))));
if (eno == ENOENT)
{
LOGIF(LM, (skygw_log_write(
LOGFILE_MESSAGE,
"Encrypted password file %s can't be accessed "
"(%s). Password encryption is not used.",
secret_file,
strerror(eno))));
}
else
{
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error : access for secrets file "
"[%s] failed. Error %d, %s.",
secret_file,
eno,
strerror(eno))));
}
return NULL;
}

4
server/core/server.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

10
server/core/service.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -91,10 +91,10 @@ static void service_add_qualified_param(
* @param servname The service name
* @param router Name of the router module this service uses
*
* @return The newly created service or NULL if an error occured
* @return The newly created service or NULL if an error occurred
*/
SERVICE *
service_alloc(char *servname, char *router)
service_alloc(const char *servname, const char *router)
{
SERVICE *service;
@ -152,7 +152,7 @@ SERVICE *service;
/**
* Check to see if a service pointer is valid
*
* @param service The poitner to check
* @param service The pointer to check
* @return 1 if the service is in the list of all services
*/
int

4
server/core/session.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

84
server/core/spinlock.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,11 +13,11 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
* @file spinlock.c - Spinlock operations for the SkySQL Gateway
* @file spinlock.c - Spinlock operations for the MariaDB Corporation MaxScale
*
* @verbatim
* Revision History
@ -30,6 +30,7 @@
#include <spinlock.h>
#include <atomic.h>
#include <time.h>
/**
* Initialise a spinlock.
@ -39,13 +40,13 @@
void
spinlock_init(SPINLOCK *lock)
{
lock->lock = 0;
lock->lock = 0;
#if SPINLOCK_PROFILE
lock->spins = 0;
lock->acquired = 0;
lock->waiting = 0;
lock->max_waiting = 0;
lock->contended = 0;
lock->spins = 0;
lock->acquired = 0;
lock->waiting = 0;
lock->max_waiting = 0;
lock->contended = 0;
#endif
}
@ -62,24 +63,30 @@ int spins = 0;
atomic_add(&(lock->waiting), 1);
#endif
while (atomic_add(&(lock->lock), 1) != 0)
{
atomic_add(&(lock->lock), -1);
#ifdef __GNUC__
while (__sync_lock_test_and_set(&(lock->lock), 1))
while (lock->lock) {
#else
while (atomic_add(&(lock->lock), 1) != 0)
{
atomic_add(&(lock->lock), -1);
#endif
#if SPINLOCK_PROFILE
atomic_add(&(lock->spins), 1);
spins++;
#endif
}
#if SPINLOCK_PROFILE
if (spins)
{
lock->contended++;
if (lock->maxspins < spins)
lock->maxspins = spins;
}
lock->acquired++;
lock->owner = THREAD_SHELF();
atomic_add(&(lock->waiting), -1);
if (spins)
{
lock->contended++;
if (lock->maxspins < spins)
lock->maxspins = spins;
}
lock->acquired++;
lock->owner = THREAD_SHELF();
atomic_add(&(lock->waiting), -1);
#endif
}
@ -92,16 +99,20 @@ int spins = 0;
int
spinlock_acquire_nowait(SPINLOCK *lock)
{
if (atomic_add(&(lock->lock), 1) != 0)
{
atomic_add(&(lock->lock), -1);
return FALSE;
}
#if SPINLOCK_PROFILE
lock->acquired++;
lock->owner = THREAD_SHELF();
#ifdef __GNUC__
if (__sync_lock_test_and_set(&(lock->lock), 1)) return FALSE;
#else
if (atomic_add(&(lock->lock), 1) != 0)
{
atomic_add(&(lock->lock), -1);
return FALSE;
}
#endif
return TRUE;
#if SPINLOCK_PROFILE
lock->acquired++;
lock->owner = THREAD_SHELF();
#endif
return TRUE;
}
/*
@ -112,11 +123,16 @@ spinlock_acquire_nowait(SPINLOCK *lock)
void
spinlock_release(SPINLOCK *lock)
{
#if SPINLOCK_PROFILE
if (lock->waiting > lock->max_waiting)
lock->max_waiting = lock->waiting;
#if SPINLOCK_PROFILE
if (lock->waiting > lock->max_waiting)
lock->max_waiting = lock->waiting;
#endif
#ifdef __GNUC__
__sync_synchronize(); /* Memory barrier. */
lock->lock = 0;
#else
atomic_add(&(lock->lock), -1);
#endif
atomic_add(&(lock->lock), -1);
}
/**

13
server/core/test/CMakeLists.txt Normal file
View File

@ -0,0 +1,13 @@
add_executable(test_hash testhash.c)
add_executable(test_spinlock testspinlock.c)
add_executable(test_filter testfilter.c)
add_executable(test_adminusers testadminusers.c)
target_link_libraries(test_hash fullcore)
target_link_libraries(test_spinlock fullcore)
target_link_libraries(test_filter fullcore)
target_link_libraries(test_adminusers fullcore)
add_test(TestHash test_hash)
add_test(TestSpinlock test_spinlock)
add_test(TestFilter test_filter)
add_test(TestAdminUsers test_adminusers)

40
server/core/test/makefile
View File

@ -18,10 +18,11 @@ LDFLAGS=-rdynamic -L$(LOGPATH) -L$(EMBEDDED_LIB) \
-Wl,-rpath,$(LOGPATH) -Wl,-rpath,$(UTILSPATH) \
-Wl,-rpath,$(EMBEDDED_LIB)
LIBS= -lz -lm -lcrypt -lcrypto -ldl -laio -lrt -pthread -llog_manager \
-L../../inih/extra -linih -lssl -lstdc++ -lmysqld
LIBS= -L$(EMBEDDED_LIB) -lmysqld \
-lz -lm -lcrypt -lcrypto -ldl -laio -lrt -pthread -llog_manager \
-L../../inih/extra -linih -lssl -lstdc++
TESTS=testhash testspinlock testfilter testadminusers
TESTS=testhash testspinlock testbuffer testmodutil testpoll testservice testdcb testfilter testadminusers
cleantests:
- $(DEL) *.o
@ -47,6 +48,39 @@ testspinlock: testspinlock.c
-I$(ROOT_PATH)/utils \
testspinlock.c ../spinlock.o ../atomic.o ../thread.o -o testspinlock
testmodutil: testmodutil.c
$(CC) $(CFLAGS) \
-I$(ROOT_PATH)/server/include \
-I$(ROOT_PATH)/utils \
testmodutil.c ../modutil.o ../buffer.o ../atomic.o -o testmodutil
testbuffer: testbuffer.c
$(CC) $(CFLAGS) \
-I$(ROOT_PATH)/server/include \
-I$(ROOT_PATH)/utils \
testbuffer.c ../buffer.o ../atomic.o -o testbuffer
testpoll: testpoll.c
$(CC) $(CFLAGS) $(LDFLAGS) \
-I$(ROOT_PATH)/server/include \
-I$(ROOT_PATH)/utils \
-I$(ROOT_PATH)/log_manager \
testpoll.c libcore.a $(UTILSPATH)/skygw_utils.o $(LIBS) -o testpoll
testservice: testservice.c
$(CC) $(CFLAGS) $(LDFLAGS) \
-I$(ROOT_PATH)/server/include \
-I$(ROOT_PATH)/utils \
-I$(ROOT_PATH)/log_manager \
testservice.c libcore.a $(UTILSPATH)/skygw_utils.o $(LIBS) -o testservice
testdcb: testdcb.c
$(CC) $(CFLAGS) $(LDFLAGS) \
-I$(ROOT_PATH)/server/include \
-I$(ROOT_PATH)/utils \
-I$(ROOT_PATH)/log_manager \
testdcb.c libcore.a $(UTILSPATH)/skygw_utils.o $(LIBS) -o testdcb
testfilter: testfilter.c libcore.a
$(CC) $(CFLAGS) $(LDFLAGS) \
-I$(ROOT_PATH)/server/include \

4
server/core/test/test_mysql_users.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

2
server/core/test/testadminusers.c
View File

@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

2
server/core/test/testfilter.c
View File

@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

2
server/core/test/testhash.c
View File

@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

116
server/core/test/testspinlock.c
View File

@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**
@ -105,12 +105,16 @@ test2()
{
SPINLOCK lck;
void *handle;
struct timespec sleeptime;
sleeptime.tv_sec = 10;
sleeptime.tv_nsec = 0;
acquire_time = 0;
spinlock_init(&lck);
spinlock_acquire(&lck);
handle = thread_start(test2_helper, (void *)&lck);
sleep(10);
nanosleep(&sleeptime, NULL);
spinlock_release(&lck);
thread_wait(handle);
@ -122,12 +126,118 @@ void *handle;
return 0;
}
main(int argc, char **argv)
/**
* test3 spinlock_acquire tests process bound threads
*
* Check that spinlock correctly blocks all other threads whilst the spinlock
* is held.
*
* Start multiple threads that obtain spinlock and run process bound
*/
#define THREADS 5
#define ITERATIONS 50000
#define PROCESS_LOOP 10000
#define SECONDS 15
#define NANOTIME 100000
static int times_run, failures;
static volatile int active;
static int threadrun[THREADS];
static int nowait[THREADS];
static SPINLOCK lck;
static void
test3_helper(void *data)
{
// SPINLOCK *lck = (SPINLOCK *)data;
int i;
int n = *(int *)data;
struct timespec sleeptime;
time_t rawtime;
sleeptime.tv_sec = 0;
sleeptime.tv_nsec = 1;
while (1) {
if (spinlock_acquire_nowait(&lck)) {
nowait[n]++;
}
else {
spinlock_acquire(&lck);
}
if (times_run++ > ITERATIONS) {
break;
}
threadrun[n]++;
/*
if (99 == (times_run % 100)) {
time ( &rawtime );
fprintf(stderr, "%s Done %d iterations of test, in thread %d.\n", asctime (localtime ( &rawtime )), times_run, n);
}
*/
if (0 != active) {
fprintf(stderr, "spinlock: test 3 failed with active non-zero after lock obtained.\n");
failures++;
}
else {
active = 1;
for (i=0; i<PROCESS_LOOP; i++);
}
active = 0;
spinlock_release(&lck);
for (i=0; i<(4*PROCESS_LOOP); i++);
// nanosleep(&sleeptime, NULL);
}
spinlock_release(&lck);
}
static int
test3()
{
// SPINLOCK lck;
void *handle[THREADS];
int i;
int tnum[THREADS];
time_t rawtime;
struct timespec sleeptime;
sleeptime.tv_sec = 20;
sleeptime.tv_nsec = NANOTIME;
times_run = 0;
active = 0;
failures = 0;
spinlock_init(&lck);
time ( &rawtime );
fprintf(stderr, "%s Starting %d threads.\n", asctime (localtime ( &rawtime )), THREADS);
for (i = 0; i<THREADS; i++) {
threadrun[i] = 0;
tnum[i] = i;
handle[i] = thread_start(test3_helper, &tnum[i]);
}
for (i = 0; i<THREADS; i++) {
fprintf(stderr, "spinlock_test 3 thread %d ran %d times, no wait %d times before waits.\n", i, threadrun[i], nowait[i]);
}
for (i = 0; i<THREADS; i++) {
time ( &rawtime );
fprintf(stderr, "%s spinlock_test 3 finished sleeps, about to wait for thread %d.\n", asctime (localtime ( &rawtime )), i);
thread_wait(handle[i]);
}
for (i = 0; i<THREADS; i++) {
fprintf(stderr, "spinlock_test 3 thread %d ran %d times, no wait %d times.\n", i, threadrun[i], nowait[i]);
}
time ( &rawtime );
fprintf(stderr, "%s spinlock_test 3 completed, %d failures.\n", asctime (localtime ( &rawtime )), failures);
return 0 == failures ? 0: 1;
}
int main(int argc, char **argv)
{
int result = 0;
result += test1();
result += test2();
result += test3();
exit(result);
}

4
server/core/thread.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <thread.h>
#include <pthread.h>

4
server/core/users.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <stdio.h>
#include <stdlib.h>

75
server/core/utils.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*
*/
@ -27,8 +27,9 @@
* 10-06-2013 Massimiliano Pinto Initial implementation
* 12-06-2013 Massimiliano Pinto Read function trought
* the gwbuff strategy
* 13-06-2013 Massimiliano Pinto Gateway local authentication
* 13-06-2013 Massimiliano Pinto MaxScale local authentication
* basics
* 02-09-2014 Martin Brampton Replaced C++ comments by C comments
*
* @endverbatim
*/
@ -44,19 +45,19 @@
extern int lm_enabled_logfiles_bitmask;
// used in the hex2bin function
/* used in the hex2bin function */
#define char_val(X) (X >= '0' && X <= '9' ? X-'0' :\
X >= 'A' && X <= 'Z' ? X-'A'+10 :\
X >= 'a' && X <= 'z' ? X-'a'+10 :\
'\177')
// used in the bin2hex function
/* used in the bin2hex function */
char hex_upper[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
char hex_lower[] = "0123456789abcdefghijklmnopqrstuvwxyz";
//////////////////////////////////////////
//backend read event triggered by EPOLLIN
//////////////////////////////////////////
/*****************************************
* backend read event triggered by EPOLLIN
*****************************************/
int setnonblocking(int fd) {
@ -91,17 +92,17 @@ char *gw_strend(register const char *s) {
return (char*) (s-1);
}
///////////////////////////////
// generate a random char
//////////////////////////////
/*****************************************
* generate a random char
*****************************************/
static char gw_randomchar() {
return (char)((rand() % 78) + 30);
}
/////////////////////////////////
// generate a random string
// output must be pre allocated
/////////////////////////////////
/*****************************************
* generate a random string
* output must be pre allocated
*****************************************/
int gw_generate_random_str(char *output, int len) {
int i;
@ -116,10 +117,10 @@ int gw_generate_random_str(char *output, int len) {
return 0;
}
/////////////////////////////////
// hex string to binary data
// output must be pre allocated
/////////////////////////////////
/*****************************************
* hex string to binary data
* output must be pre allocated
*****************************************/
int gw_hex2bin(uint8_t *out, const char *in, unsigned int len) {
const char *in_end= in + len;
@ -140,10 +141,10 @@ int gw_hex2bin(uint8_t *out, const char *in, unsigned int len) {
return 0;
}
/////////////////////////////////
// binary data to hex string
// output must be pre allocated
/////////////////////////////////
/*****************************************
* binary data to hex string
* output must be pre allocated
*****************************************/
char *gw_bin2hex(char *out, const uint8_t *in, unsigned int len) {
const uint8_t *in_end= in + len;
if (len == 0 || in == NULL) {
@ -159,12 +160,12 @@ char *gw_bin2hex(char *out, const uint8_t *in, unsigned int len) {
return out;
}
///////////////////////////////////////////////////////
// fill a preallocated buffer with XOR(str1, str2)
// XOR between 2 equal len strings
// note that XOR(str1, XOR(str1 CONCAT str2)) == str2
// and that XOR(str1, str2) == XOR(str2, str1)
///////////////////////////////////////////////////////
/****************************************************
* fill a preallocated buffer with XOR(str1, str2)
* XOR between 2 equal len strings
* note that XOR(str1, XOR(str1 CONCAT str2)) == str2
* and that XOR(str1, str2) == XOR(str2, str1)
*****************************************************/
void gw_str_xor(uint8_t *output, const uint8_t *input1, const uint8_t *input2, unsigned int len) {
const uint8_t *input1_end = NULL;
input1_end = input1 + len;
@ -175,10 +176,10 @@ void gw_str_xor(uint8_t *output, const uint8_t *input1, const uint8_t *input2, u
*output = '\0';
}
/////////////////////////////////////////////////////////////
// fill a 20 bytes preallocated with SHA1 digest (160 bits)
// for one input on in_len bytes
/////////////////////////////////////////////////////////////
/**********************************************************
* fill a 20 bytes preallocated with SHA1 digest (160 bits)
* for one input on in_len bytes
**********************************************************/
void gw_sha1_str(const uint8_t *in, int in_len, uint8_t *out) {
unsigned char hash[SHA_DIGEST_LENGTH];
@ -186,10 +187,10 @@ void gw_sha1_str(const uint8_t *in, int in_len, uint8_t *out) {
memcpy(out, hash, SHA_DIGEST_LENGTH);
}
/////////////////////////////////////////////////////////////
// fill 20 bytes preallocated with SHA1 digest (160 bits)
// for two inputs, in_len and in2_len bytes
/////////////////////////////////////////////////////////////
/********************************************************
* fill 20 bytes preallocated with SHA1 digest (160 bits)
* for two inputs, in_len and in2_len bytes
********************************************************/
void gw_sha1_2_str(const uint8_t *in, int in_len, const uint8_t *in2, int in2_len, uint8_t *out) {
SHA_CTX context;
unsigned char hash[SHA_DIGEST_LENGTH];

4
server/include/adminusers.h
View File

@ -1,7 +1,7 @@
#ifndef _ADMINUSERS_H
#define _ADMINUSERS_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

4
server/include/atomic.h
View File

@ -1,7 +1,7 @@
#ifndef _ATOMIC_H
#define _ATOMIC_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

25
server/include/buffer.h
View File

@ -1,7 +1,7 @@
#ifndef _BUFFER_H
#define _BUFFER_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -40,6 +40,9 @@
* 16/07/2013 Massimiliano Pinto Added command type for the queue
* 10/07/2014 Mark Riddoch Addition of hints
* 15/07/2014 Mark Riddoch Added buffer properties
* 03/10/2014 Martin Brampton Pointer arithmetic standard conformity
* Add more buffer handling macros
* Add gwbuf_rtrim (handle chains)
*
* @endverbatim
*/
@ -47,6 +50,7 @@
#include <skygw_debug.h>
#include <hint.h>
#include <spinlock.h>
#include <stdint.h>
EXTERN_C_BLOCK_BEGIN
@ -146,19 +150,25 @@ typedef struct gwbuf {
/*<
* Macros to access the data in the buffers
*/
/*< First valid, uncomsumed byte in the buffer */
/*< First valid, unconsumed byte in the buffer */
#define GWBUF_DATA(b) ((b)->start)
/*< Number of bytes in the individual buffer */
#define GWBUF_LENGTH(b) ((b)->end - (b)->start)
#define GWBUF_LENGTH(b) ((char *)(b)->end - (char *)(b)->start)
/*< Return the byte at offset byte from the start of the unconsumed portion of the buffer */
#define GWBUF_DATA_CHAR(b, byte) (GWBUF_LENGTH(b) < ((byte)+1) ? -1 : *(((char *)(b)->start)+4))
/*< Check that the data in a buffer has the SQL marker*/
#define GWBUF_IS_SQL(b) (0x03 == GWBUF_DATA_CHAR(b,4))
/*< True if all bytes in the buffer have been consumed */
#define GWBUF_EMPTY(b) ((b)->start == (b)->end)
#define GWBUF_EMPTY(b) ((char *)(b)->start >= (char *)(b)->end)
/*< Consume a number of bytes in the buffer */
#define GWBUF_CONSUME(b, bytes) (b)->start += (bytes)
#define GWBUF_CONSUME(b, bytes) ((b)->start = bytes > ((char *)(b)->end - (char *)(b)->start) ? (b)->end : (void *)((char *)(b)->start + (bytes)));
#define GWBUF_RTRIM(b, bytes) (b)->end -= (bytes)
#define GWBUF_RTRIM(b, bytes) ((b)->end = bytes > ((char *)(b)->end - (char *)(b)->start) ? (b)->start : (void *)((char *)(b)->end - (bytes)));
#define GWBUF_TYPE(b) (b)->gwbuf_type
/*<
@ -170,6 +180,7 @@ extern GWBUF *gwbuf_clone(GWBUF *buf);
extern GWBUF *gwbuf_append(GWBUF *head, GWBUF *tail);
extern GWBUF *gwbuf_consume(GWBUF *head, unsigned int length);
extern GWBUF *gwbuf_trim(GWBUF *head, unsigned int length);
extern GWBUF *gwbuf_rtrim(GWBUF *head, unsigned int length);
extern unsigned int gwbuf_length(GWBUF *head);
extern GWBUF *gwbuf_clone_portion(GWBUF *head, size_t offset, size_t len);
extern GWBUF *gwbuf_clone_transform(GWBUF *head, gwbuf_type_t type);

4
server/include/config.h
View File

@ -1,7 +1,7 @@
#ifndef _CONFIG_H
#define _CONFIG_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <skygw_utils.h>

4
server/include/dbusers.h
View File

@ -1,7 +1,7 @@
#ifndef _DBUSERS_H
#define _DBUSERS_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <service.h>

36
server/include/dcb.h
View File

@ -1,7 +1,7 @@
#ifndef _DCB_H
#define _DCB_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <spinlock.h>
#include <buffer.h>
@ -53,7 +53,8 @@ struct service;
* 07/02/2014 Massimiliano Pinto Added ipv4 data struct into for dcb
* 07/05/2014 Mark Riddoch Addition of callback mechanism
* 08/05/2014 Mark Riddoch Addition of writeq high and low watermarks
* 27/08/2014 Mark Ridddoch Addition of write event queuing
* 27/08/2014 Mark Riddoch Addition of write event queuing
* 23/09/2014 Mark Riddoch New poll processing queue
*
* @endverbatim
*/
@ -65,7 +66,7 @@ struct dcb;
* The operations that can be performed on the descriptor
*
* read EPOLLIN handler for the socket
* write Gateway data write entry point
* write MaxScale data write entry point
* write_ready EPOLLOUT handler for the socket, indicates
* that the socket is ready to send more data
* error EPOLLERR handler for the socket
@ -73,7 +74,7 @@ struct dcb;
* accept Accept handler for listener socket only
* connect Create a connection to the specified server
* for the session pased in
* close Gateway close entry point for the socket
* close MaxScale close entry point for the socket
* listen Create a listener for the protocol
* auth Authentication entry point
* session Session handling entry point
@ -97,6 +98,14 @@ typedef struct gw_protocol {
int (*session)(struct dcb *, void *);
} GWPROTOCOL;
typedef struct {
struct dcb *next;
struct dcb *prev;
uint32_t pending_events;
int processing;
SPINLOCK eventqlock;
} DCBEVENTQ;
/**
* The GWPROTOCOL version data. The following should be updated whenever
* the GWPROTOCOL structure is changed. See the rules defined in modinfo.h
@ -114,10 +123,6 @@ typedef struct dcbstats {
int n_buffered; /*< Number of buffered writes */
int n_high_water; /*< Number of crosses of high water mark */
int n_low_water; /*< Number of crosses of low water mark */
int n_busypolls; /*< Number of read polls whiel reading */
int n_readrechecks; /*< Number of rechecks for reads */
int n_busywrpolls; /*< Number of write polls while writing */
int n_writerechecks;/*< Number of rechecks for writes */
} DCBSTATS;
/**
@ -204,12 +209,7 @@ typedef struct dcb {
#endif
dcb_role_t dcb_role;
SPINLOCK dcb_initlock;
#if 1
simple_mutex_t dcb_read_lock;
simple_mutex_t dcb_write_lock;
bool dcb_read_active;
bool dcb_write_active;
#endif
DCBEVENTQ evq; /**< The event queue for this DCB */
int fd; /**< The descriptor */
dcb_state_t state; /**< Current descriptor state */
int flags; /**< DCB flags */
@ -271,8 +271,8 @@ int fail_accept_errno;
#define DCB_BELOW_LOW_WATER(x) ((x)->low_water && (x)->writeqlen < (x)->low_water)
#define DCB_ABOVE_HIGH_WATER(x) ((x)->high_water && (x)->writeqlen > (x)->high_water)
void dcb_pollin(DCB *, int, int);
void dcb_pollout(DCB *, int, int);
#define DCB_POLL_BUSY(x) ((x)->evq.next != NULL)
DCB *dcb_get_zombies(void);
int gw_write(
#if defined(SS_DEBUG)
@ -289,7 +289,7 @@ DCB *dcb_clone(DCB *);
int dcb_read(DCB *, GWBUF **);
int dcb_drain_writeq(DCB *);
void dcb_close(DCB *);
DCB *dcb_process_zombies(int, DCB*); /* Process Zombies except the one behind the pointer */
DCB *dcb_process_zombies(int); /* Process Zombies except the one behind the pointer */
void printAllDCBs(); /* Debug to print all DCB in the system */
void printDCB(DCB *); /* Debug print routine */
void dprintAllDCBs(DCB *); /* Debug to print all DCB in the system */

4
server/include/filter.h
View File

@ -1,7 +1,7 @@
#ifndef _FILTER_H
#define _FILTER_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

8
server/include/gw.h
View File

@ -28,10 +28,10 @@
* Configuration for send and receive socket buffer sizes for
* backend and cleint connections.
*/
#define GW_BACKEND_SO_SNDBUF 32768
#define GW_BACKEND_SO_RCVBUF 32768
#define GW_CLIENT_SO_SNDBUF 32768
#define GW_CLIENT_SO_RCVBUF 32768
#define GW_BACKEND_SO_SNDBUF (128 * 1024)
#define GW_BACKEND_SO_RCVBUF (128 * 1024)
#define GW_CLIENT_SO_SNDBUF (128 * 1024)
#define GW_CLIENT_SO_RCVBUF (128 * 1024)
#define GW_NOINTR_CALL(A) do { errno = 0; A; } while (errno == EINTR)
#define GW_MYSQL_LOOP_TIMEOUT 300000000

4
server/include/gwbitmask.h
View File

@ -1,7 +1,7 @@
#ifndef _GWBITMASK_H
#define _GWBITMASK_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <spinlock.h>

4
server/include/hashtable.h
View File

@ -1,7 +1,7 @@
#ifndef _HASTABLE_H
#define _HASTABLE_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

2
server/include/hint.h
View File

@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

5
server/include/housekeeper.h
View File

@ -1,7 +1,7 @@
#ifndef _HOUSEKEEPER_H
#define _HOUSEKEEPER_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <time.h>
@ -47,4 +47,5 @@ typedef struct hktask {
extern void hkinit();
extern int hktask_add(char *name, void (*task)(void *), void *data, int frequency);
extern int hktask_remove(char *name);
extern void hkshutdown();
#endif

4
server/include/maxscale.h
View File

@ -1,7 +1,7 @@
#ifndef _MAXSCALE_H
#define _MAXSCALE_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

2
server/include/modinfo.h
View File

@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

4
server/include/modules.h
View File

@ -1,7 +1,7 @@
#ifndef _MODULES_H
#define _MODULES_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <dcb.h>
#include <modinfo.h>

4
server/include/modutil.h
View File

@ -1,7 +1,7 @@
#ifndef _MODUTIL_H
#define _MODUTIL_H
/*
* This file is distributed as part of MaxScale from SkySQL. It is free
* This file is distributed as part of MaxScale from MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

4
server/include/monitor.h
View File

@ -1,7 +1,7 @@
#ifndef _MONITOR_H
#define _MONITOR_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <server.h>
#include <dcb.h>

4
server/include/poll.h
View File

@ -1,7 +1,7 @@
#ifndef _POLL_H
#define _POLL_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <dcb.h>
#include <gwbitmask.h>

61
server/include/rdtsc.h Normal file
View File

@ -0,0 +1,61 @@
#ifndef _RDTSC_H
#define _RDTSC_H
/*
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright MariaDB Corporation Ab 2014
*/
/**
* @file rdtsc.h Access the process time-stamp counter
*
* This is an Intel only facilty that is used to access an accurate time
* value, the granularity of which is related to the processor clock speed
* and the overhead for access is much lower than using any system call
* mechanism.
*
*
* @verbatim
* Revision History
*
* Date Who Description
* 19/09/2014 Mark Riddoch Initial implementation
*
* @endverbatim
*/
typedef unsigned long long CYCLES;
/**
* Get the current time-stamp counter value from the processor. This is the
* count of CPU cyceles as a 64 bit value.
*
* The value returned is related to the clock speed, to obtian a value in
* seconds divide the returned value by the clock frequency for the processor.
*
* Note, on multi-processsor systems care much be taken to avoid the thread
* moving to a different processor when taken succsive value of RDTSC to
* obtian accurate timing. This may be done by setting pocessor affinity for
* the thread. See sched_setaffinity/sched_getaffinity.
*
* @return CPU cycle count
*/
static __inline__ CYCLES rdtsc(void)
{
unsigned long long int x;
__asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
return x;
}
#endif

4
server/include/router.h
View File

@ -1,7 +1,7 @@
#ifndef _ROUTER_H
#define _ROUTER_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

4
server/include/secrets.h
View File

@ -1,7 +1,7 @@
#ifndef _SECRETS_H
#define _SECRETS_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

4
server/include/server.h
View File

@ -1,7 +1,7 @@
#ifndef _SERVER_H
#define _SERVER_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <dcb.h>

6
server/include/service.h
View File

@ -1,7 +1,7 @@
#ifndef _SERVICE_H
#define _SERVICE_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <time.h>
@ -142,7 +142,7 @@ typedef enum count_spec_t {COUNT_NONE=0, COUNT_ATLEAST, COUNT_EXACT, COUNT_ATMOS
#define SERVICE_STATE_ALLOC 1 /**< The service has been allocated */
#define SERVICE_STATE_STARTED 2 /**< The service has been started */
extern SERVICE *service_alloc(char *, char *);
extern SERVICE *service_alloc(const char *, const char *);
extern int service_free(SERVICE *);
extern SERVICE *service_find(char *);
extern int service_isvalid(SERVICE *);

4
server/include/session.h
View File

@ -1,7 +1,7 @@
#ifndef _SESSION_H
#define _SESSION_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

4
server/include/spinlock.h
View File

@ -1,7 +1,7 @@
#ifndef _SPINLOCK_H
#define _SPINLOCK_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

4
server/include/thread.h
View File

@ -1,7 +1,7 @@
#ifndef _THREAD_H
#define _THREAD_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <pthread.h>

4
server/include/users.h
View File

@ -1,7 +1,7 @@
#ifndef _USERS_H
#define _USERS_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <hashtable.h>
#include <dcb.h>

1
server/include/version.h.in Normal file
View File

@ -0,0 +1 @@
#define MAXSCALE_VERSION "@MAXSCALE_VERSION@"

1
server/inih/CMakeLists.txt Normal file
View File

@ -0,0 +1 @@
add_library(inih ini.c)

5
server/modules/CMakeLists.txt Normal file
View File

@ -0,0 +1,5 @@
include_directories(monitor)
add_subdirectory(routing)
add_subdirectory(protocol)
add_subdirectory(monitor)
add_subdirectory(filter)

27
server/modules/filter/CMakeLists.txt Normal file
View File

@ -0,0 +1,27 @@
if(BUILD_RABBITMQ)
add_library(mqfilter SHARED mqfilter.c)
target_link_libraries(mqfilter query_classifier log_manager utils rabbitmq)
install(TARGETS mqfilter DESTINATION modules)
endif()
add_library(regexfilter SHARED regexfilter.c)
target_link_libraries(regexfilter log_manager utils)
install(TARGETS regexfilter DESTINATION modules)
add_library(testfilter SHARED testfilter.c)
target_link_libraries(testfilter log_manager utils)
install(TARGETS testfilter DESTINATION modules)
add_library(qlafilter SHARED qlafilter.c)
target_link_libraries(qlafilter log_manager utils)
install(TARGETS qlafilter DESTINATION modules)
add_library(tee SHARED tee.c)
target_link_libraries(tee log_manager utils)
install(TARGETS tee DESTINATION modules)
add_library(topfilter SHARED topfilter.c)
target_link_libraries(topfilter log_manager utils)
install(TARGETS topfilter DESTINATION modules)
add_subdirectory(hint)

4
server/modules/filter/Makefile
View File

@ -1,4 +1,4 @@
# This file is distributed as part of MaxScale form SkySQL. It is free
# This file is distributed as part of MaxScale form MariaDB Corporation. It is free
# software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation,
# version 2.
@ -12,7 +12,7 @@
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright SkySQL Ab 2014
# Copyright MariaDB Corporation Ab 2014
#
# Revision History
# Date Who Description

4
server/modules/filter/hint/CMakeLists.txt Normal file
View File

@ -0,0 +1,4 @@
add_library(hintfilter SHARED hintfilter.c hintparser.c)
set_target_properties(hintfilter PROPERTIES INSTALL_RPATH ${CMAKE_INSTALL_RPATH}:${CMAKE_INSTALL_PREFIX}/lib)
target_link_libraries(hintfilter ssl log_manager utils)
install(TARGETS hintfilter DESTINATION modules)

4
server/modules/filter/hint/Makefile
View File

@ -1,4 +1,4 @@
# This file is distributed as part of MaxScale form SkySQL. It is free
# This file is distributed as part of MaxScale form MariaDB Corporation. It is free
# software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation,
# version 2.
@ -12,7 +12,7 @@
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright SkySQL Ab 2014
# Copyright MariaDB Corporation Ab 2014
#
# Revision History
# Date Who Description

4
server/modules/filter/hint/hintfilter.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <stdio.h>
#include <filter.h>

4
server/modules/filter/hint/hintparser.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <stdio.h>
#include <ctype.h>

4
server/modules/filter/mqfilter.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

4
server/modules/filter/qlafilter.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

4
server/modules/filter/regexfilter.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <stdio.h>
#include <filter.h>

4
server/modules/filter/tee.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

4
server/modules/filter/testfilter.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <stdio.h>
#include <filter.h>

4
server/modules/filter/topfilter.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of MaxScale by SkySQL. It is free
* This file is distributed as part of MaxScale by MariaDB Corporation. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**

7
server/modules/include/blr.h
View File

@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**
@ -43,8 +43,8 @@
* High and Low water marks for the slave dcb. These values can be overriden
* by the router options highwater and lowwater.
*/
#define DEF_LOW_WATER 20000
#define DEF_HIGH_WATER 300000
#define DEF_LOW_WATER 2000
#define DEF_HIGH_WATER 30000
/**
* Some useful macros for examining the MySQL Response packets
@ -194,6 +194,7 @@ typedef struct router_instance {
char *uuid; /*< UUID for the router to use w/master */
int masterid; /*< Server ID of the master */
int serverid; /*< Server ID to use with master */
int initbinlog; /*< Initial binlog file number */
char *user; /*< User name to use with master */
char *password; /*< Password to use with master */
char *fileroot; /*< Root of binlog filename */

4
server/modules/include/debugcli.h
View File

@ -1,7 +1,7 @@
#ifndef _DEBUGCLI_H
#define _DEBUGCLI_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <service.h>
#include <session.h>

4
server/modules/include/httpd.h
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/*

8
server/modules/include/maxscaled.h
View File

@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
/**
@ -30,13 +30,15 @@
* @endverbatim
*/
#include <dcb.h>
#include <spinlock.h>
/**
* The telnetd specific protocol structure to put in the DCB.
*/
typedef struct maxscaled {
int state; /**< The connection state */
char *username; /**< The login name of the user */
SPINLOCK lock; /**< Protocol structure lock */
int state; /**< The connection state */
char *username; /**< The login name of the user */
} MAXSCALED;
#define MAXSCALED_STATE_LOGIN 1 /**< Issued login prompt */

4
server/modules/include/mysql_client_server_protocol.h
View File

@ -1,7 +1,7 @@
#ifndef _MYSQL_PROTOCOL_H
#define _MYSQL_PROTOCOL_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/*

4
server/modules/include/mysqlhint.h
View File

@ -1,7 +1,7 @@
#ifndef _MYSQLHINT_H
#define _MYSQLHINT_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/*

4
server/modules/include/readconnection.h
View File

@ -1,7 +1,7 @@
#ifndef _READCONNECTION_H
#define _READCONNECTION_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

5
server/modules/include/readwritesplit.h
View File

@ -1,7 +1,7 @@
#ifndef _RWSPLITROUTER_H
#define _RWSPLITROUTER_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -224,6 +224,7 @@ typedef struct backend_ref_st {
bref_state_t bref_state;
int bref_num_result_wait;
sescmd_cursor_t bref_sescmd_cur;
GWBUF* bref_pending_cmd; /*< For stmt which can't be routed due active sescmd execution */
#if defined(SS_DEBUG)
skygw_chk_t bref_chk_tail;
#endif

4
server/modules/include/telnetd.h
View File

@ -1,7 +1,7 @@
#ifndef _TELNETD_H
#define _TELNETD_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**

11
server/modules/monitor/CMakeLists.txt Normal file
View File

@ -0,0 +1,11 @@
add_library(mysqlmon SHARED mysql_mon.c)
target_link_libraries(mysqlmon log_manager utils)
install(TARGETS mysqlmon DESTINATION modules)
add_library(galeramon SHARED galera_mon.c)
target_link_libraries(galeramon log_manager utils)
install(TARGETS galeramon DESTINATION modules)
add_library(ndbclustermon SHARED ndbcluster_mon.c)
target_link_libraries(ndbclustermon log_manager utils)
install(TARGETS ndbclustermon DESTINATION modules)

4
server/modules/monitor/Makefile
View File

@ -1,4 +1,4 @@
# This file is distributed as part of the SkySQL Gateway. It is free
# This file is distributed as part of the MariaDB Corporation MaxScale. It is free
# software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation,
# version 2.
@ -12,7 +12,7 @@
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright SkySQL Ab 2013
# Copyright MariaDB Corporation Ab 2013
#
# Revision History
# Date Who Description

19
server/modules/monitor/galera_mon.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -447,13 +447,20 @@ size_t nrounds = 0;
}
/** Wait base interval */
thread_millisleep(MON_BASE_INTERVAL_MS);
nrounds += 1;
/** If monitor interval time isn't consumed skip checks */
if ((nrounds*MON_BASE_INTERVAL_MS)%handle->interval != 0)
/**
* Calculate how far away the monitor interval is from its full
* cycle and if monitor interval time further than the base
* interval, then skip monitoring checks. Excluding the first
* round.
*/
if (nrounds != 0 &&
((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) >
MON_BASE_INTERVAL_MS)
{
nrounds += 1;
continue;
}
nrounds += 1;
master_id = -1;
ptr = handle->databases;

19
server/modules/monitor/mysql_mon.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -611,13 +611,20 @@ size_t nrounds = 0;
}
/** Wait base interval */
thread_millisleep(MON_BASE_INTERVAL_MS);
nrounds += 1;
/** If monitor interval time isn't consumed skip checks */
if ((nrounds*MON_BASE_INTERVAL_MS)%handle->interval != 0)
/**
* Calculate how far away the monitor interval is from its full
* cycle and if monitor interval time further than the base
* interval, then skip monitoring checks. Excluding the first
* round.
*/
if (nrounds != 0 &&
((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) >
MON_BASE_INTERVAL_MS)
{
nrounds += 1;
continue;
}
nrounds += 1;
/* reset num_servers */
num_servers = 0;

4
server/modules/monitor/mysqlmon.h
View File

@ -1,7 +1,7 @@
#ifndef _MYSQLMON_H
#define _MYSQLMON_H
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -15,7 +15,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include <server.h>
#include <spinlock.h>

19
server/modules/monitor/ndbcluster_mon.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -445,13 +445,20 @@ size_t nrounds = 0;
/** Wait base interval */
thread_millisleep(MON_BASE_INTERVAL_MS);
nrounds += 1;
/** If monitor interval time isn't consumed skip checks */
if ((nrounds*MON_BASE_INTERVAL_MS)%handle->interval != 0)
/**
* Calculate how far away the monitor interval is from its full
* cycle and if monitor interval time further than the base
* interval, then skip monitoring checks. Excluding the first
* round.
*/
if (nrounds != 0 &&
((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) >
MON_BASE_INTERVAL_MS)
{
nrounds += 1;
continue;
}
nrounds += 1;
master_id = -1;
ptr = handle->databases;

24
server/modules/protocol/CMakeLists.txt Normal file
View File

@ -0,0 +1,24 @@
add_library(MySQLClient SHARED mysql_client.c mysql_common.c)
target_link_libraries(MySQLClient log_manager utils)
install(TARGETS MySQLClient DESTINATION modules)
add_library(MySQLBackend SHARED mysql_backend.c mysql_common.c)
target_link_libraries(MySQLBackend log_manager utils)
install(TARGETS MySQLBackend DESTINATION modules)
add_library(telnetd SHARED telnetd.c)
target_link_libraries(telnetd log_manager utils)
install(TARGETS telnetd DESTINATION modules)
add_library(HTTPD SHARED httpd.c)
target_link_libraries(HTTPD log_manager utils)
install(TARGETS HTTPD DESTINATION modules)
add_library(maxscaled SHARED maxscaled.c)
target_link_libraries(maxscaled log_manager utils)
install(TARGETS maxscaled DESTINATION modules)

4
server/modules/protocol/Makefile
View File

@ -1,4 +1,4 @@
# This file is distributed as part of the SkySQL Gateway. It is free
# This file is distributed as part of the MariaDB Corporation MaxScale. It is free
# software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation,
# version 2.
@ -12,7 +12,7 @@
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright SkySQL Ab 2013
# Copyright MariaDB Corporation Ab 2013
#
# Revision History
# Date Who Description

8
server/modules/protocol/httpd.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
/**
@ -49,7 +49,7 @@ MODULE_INFO info = {
};
#define ISspace(x) isspace((int)(x))
#define HTTP_SERVER_STRING "Gateway(c) v.1.0.0"
#define HTTP_SERVER_STRING "MaxScale(c) v.1.0.0"
static char *version_str = "V1.0.1";
static int httpd_read_event(DCB* dcb);
@ -233,7 +233,7 @@ HTTPD_session *client_data = NULL;
*
*/
dcb_printf(dcb, "Welcome to HTTPD Gateway (c) %s\n\n", version_str);
dcb_printf(dcb, "Welcome to HTTPD MaxScale (c) %s\n\n", version_str);
if (strcmp(url, "/show") == 0) {
if (strlen(query_string)) {

27
server/modules/protocol/maxscaled.c
View File

@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2014
* Copyright MariaDB Corporation Ab 2014
*/
#include <stdio.h>
#include <stdlib.h>
@ -166,7 +166,6 @@ char *password;
{
dcb_printf(dcb, "FAILED");
maxscaled->state = MAXSCALED_STATE_LOGIN;
free(maxscaled->username);
}
gwbuf_consume(head, GWBUF_LENGTH(head));
free(password);
@ -276,16 +275,18 @@ int n_connect = 0;
client_dcb->fd = so;
client_dcb->remote = strdup(inet_ntoa(addr.sin_addr));
memcpy(&client_dcb->func, &MyObject, sizeof(GWPROTOCOL));
client_dcb->session =
session_alloc(dcb->session->service, client_dcb);
maxscaled_pr = (MAXSCALED *)malloc(sizeof(MAXSCALED));
client_dcb->protocol = (void *)maxscaled_pr;
if (maxscaled_pr == NULL)
{
if ((maxscaled_pr = (MAXSCALED *)malloc(sizeof(MAXSCALED))) == NULL)
{
client_dcb->protocol = NULL;
dcb_add_to_zombieslist(client_dcb);
return n_connect;
}
maxscaled_pr->username = NULL;
spinlock_init(&maxscaled_pr->lock);
client_dcb->protocol = (void *)maxscaled_pr;
client_dcb->session =
session_alloc(dcb->session->service, client_dcb);
if (poll_add_dcb(client_dcb) == -1)
{
@ -294,7 +295,6 @@ int n_connect = 0;
}
n_connect++;
maxscaled_pr->state = MAXSCALED_STATE_LOGIN;
maxscaled_pr->username = NULL;
dcb_printf(client_dcb, "USER");
}
}
@ -313,11 +313,16 @@ maxscaled_close(DCB *dcb)
{
MAXSCALED *maxscaled = dcb->protocol;
if (maxscaled && maxscaled->username)
if (!maxscaled)
return 0;
spinlock_acquire(&maxscaled->lock);
if (maxscaled->username)
{
free(maxscaled->username);
maxscaled->username = NULL;
}
spinlock_release(&maxscaled->lock);
return 0;
}

6
server/modules/protocol/mysql_backend.c
View File

@ -1,5 +1,5 @@
/*
* This file is distributed as part of the SkySQL Gateway. It is free
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
@ -13,7 +13,7 @@
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
* Copyright MariaDB Corporation Ab 2013-2014
*/
#include "mysql_client_server_protocol.h"
@ -27,7 +27,7 @@
* Revision History
* Date Who Description
* 14/06/2013 Mark Riddoch Initial version
* 17/06/2013 Massimiliano Pinto Added Gateway To Backends routines
* 17/06/2013 Massimiliano Pinto Added MaxScale To Backends routines
* 27/06/2013 Vilho Raatikka Added skygw_log_write command as an example
* and necessary headers.
* 01/07/2013 Massimiliano Pinto Put Log Manager example code behind SS_DEBUG macros.

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