hcq/MaxScale
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Added licences and changed the use of zero-length arrays due to compiler problems.

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This commit is contained in:
vraatikka 2013-06-26 09:39:38 +03:00
parent b82ee51b7a
commit 2ea8e2a05a
6 changed files with 153 additions and 57 deletions
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70
log_manager/log_manager.cc
View File

@ -1,3 +1,22 @@
/*
* This file is distributed as part of the SkySQL Gateway. 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 SkySQL Ab 2013
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
@ -16,7 +35,7 @@
typedef struct logfile_writebuf_st {
skygw_chk_t wb_chk_top;
size_t wb_bufsize;
char wb_buf[1];
char wb_buf[1]; /** no zero length arrays in C++ */
} logfile_writebuf_t;
/** Writer thread structure */
@ -403,7 +422,7 @@ static int logmanager_write(
}
/** Split loginfo to buffers, if necessary, and add buffers
* to logfile.
* Free write buffer pointer array, and original string. */
* Free write buffer pointer array. */
logfile_write_buffers(lf, wb_arr, str);
} else {
ss_dassert(flush);
@ -459,36 +478,35 @@ static logfile_writebuf_t** get_or_create_writebuffers(
fprintf(stderr,
"Allocating memory for write buffer "
"pointer array failed.\n");
goto return_p_str;
goto return_p_wb;
}
/** Allocate memory for all write buffers.
* Real allocation size includes logfile_writebuf_t and bufsize.
* -1 is the one byte defined in logfile_writebuf_st.
*/
allocsize = sizeof(logfile_writebuf_t)+bufsize-1;
*p_wb = (logfile_writebuf_t *)calloc(nbufs, allocsize);
if (*p_wb == NULL) {
fprintf(stderr,
"Allocating memory for write buffer "
"pointer array failed.\n");
free(*p_wb);
free(p_wb);
*p_wb = NULL;
goto return_p_str;
}
/** Store pointers of each buffer from continuous memory chunk
* to p_str. Initialize each write buffer.
*/
/** Allocate each buffer with separate call because memory checkers
* don't like array of structs which have flexible arrays. */
for (i=0; i<nbufs; i++) {
p_wb[i] = (logfile_writebuf_t *)((char*)*p_wb)+i*allocsize;
p_wb[i] = (logfile_writebuf_t *)calloc(1, allocsize);
if (p_wb[i] == NULL) {
i -= 1;
while(i>=0) {
free(p_wb[i]);
i -= 1;
}
free(p_wb);
p_wb = NULL;
fprintf(stderr, "Allocating memory for write buffer failed.\n");
goto return_p_wb;
}
p_wb[i]->wb_chk_top = CHK_NUM_WRITEBUF;
p_wb[i]->wb_bufsize = bufsize;
}
ss_dassert(p_wb[i] == NULL);
return_p_str:
return_p_wb:
return p_wb;
}
@ -525,8 +543,6 @@ static void logfile_write_buffers(
p += copylen;
slen -= copylen;
}
/** Release log string */
free(str);
ss_dassert(slen == 0);
ss_dassert(*p_wb == NULL);
p_wb = p_data;
@ -583,6 +599,8 @@ int skygw_log_write_flush(
return_unregister:
logmanager_unregister(lmgr);
return_err:
/** Free log string */
free(str);
return err;
}
@ -593,7 +611,7 @@ int skygw_log_write(
char* str)
{
int err = 0;
if (lmgr == NULL) {
fprintf(stderr, "Error. Logmanager is not initialized.\n");
err = -1;
@ -622,6 +640,8 @@ int skygw_log_write(
return_unregister:
logmanager_unregister(lmgr);
return_err:
/** Free log string */
free(str);
return err;
}
@ -931,6 +951,7 @@ static bool logfile_init(
{
bool succp = FALSE;
size_t namelen;
size_t s;
fnames_conf_t* fn = &logmanager->lm_fnames_conf;
logfile->lf_chk_top = CHK_NUM_LOGFILE;
@ -947,10 +968,11 @@ static bool logfile_init(
/** Read existing files to logfile->lf_files_list and create
* new file for log named after <directory>/<prefix><counter><suffix>
*/
s = UINTLEN(logfile->lf_name_sequence);
namelen = strlen(logfile->lf_logpath) +
sizeof('/') +
strlen(logfile->lf_name_prefix) +
printf("%d",logfile->lf_name_sequence) +
s +
strlen(logfile->lf_name_suffix) +
sizeof('\0');

17
log_manager/log_manager.h
View File

@ -1,3 +1,20 @@
/*
* This file is distributed as part of the SkySQL Gateway. 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 SkySQL Ab 2013
*/
typedef struct filewriter_st filewriter_t;

23
log_manager/test/testlog.c
View File

@ -1,3 +1,26 @@
/*
* This file is distributed as part of the SkySQL Gateway. 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 SkySQL Ab 2013
*/
/** @file
@brief (brief description)
*/
#include <stdio.h>
#include <string.h>
#include <skygw_utils.h>

38
utils/skygw_debug.h
View File

@ -1,3 +1,22 @@
/*
* This file is distributed as part of the SkySQL Gateway. 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 SkySQL Ab 2013
*/
#include <assert.h>
#include <pthread.h>
#include <unistd.h>
@ -18,15 +37,6 @@
#if defined(SS_DEBUG)
# define STRBOOL(b) ((b) ? "TRUE" : "FALSE")
# define STRQTYPE(t) ((t) == QUERY_TYPE_WRITE ? "QUERY_TYPE_WRITE" : \
((t) == QUERY_TYPE_READ ? "QUERY_TYPE_READ" : \
((t) == QUERY_TYPE_SESSION_WRITE ? "QUERY_TYPE_SESSION_WRITE" : \
"QUERY_TYPE_UNKNOWN")))
#define STRLOGID(i) ((i) == LOGFILE_TRACE ? "LOGFILE_TRACE" : \
((i) == LOGFILE_MESSAGE ? "LOGFILE_MESSAGE" : \
((i) == LOGFILE_ERROR ? "LOGFILE_ERROR" : \
"Unknown logfile type")))
# define ss_dfprintf fprintf
# define ss_dfflush fflush
# define ss_dfwrite fwrite
@ -63,7 +73,6 @@
#else /* SS_DEBUG */
# define STRBOOL(b)
# define ss_dfprintf(a, b, ...)
# define ss_dfflush
# define ss_dfwrite
@ -94,6 +103,15 @@ typedef enum skygw_chk_t {
CHK_NUM_WRITEBUF
} skygw_chk_t;
# define STRBOOL(b) ((b) ? "TRUE" : "FALSE")
# define STRQTYPE(t) ((t) == QUERY_TYPE_WRITE ? "QUERY_TYPE_WRITE" : \
((t) == QUERY_TYPE_READ ? "QUERY_TYPE_READ" : \
((t) == QUERY_TYPE_SESSION_WRITE ? "QUERY_TYPE_SESSION_WRITE" : \
"QUERY_TYPE_UNKNOWN")))
#define STRLOGID(i) ((i) == LOGFILE_TRACE ? "LOGFILE_TRACE" : \
((i) == LOGFILE_MESSAGE ? "LOGFILE_MESSAGE" : \
((i) == LOGFILE_ERROR ? "LOGFILE_ERROR" : \
"Unknown logfile type")))
#define CHK_MLIST(l) { \
ss_info_dassert((l->mlist_chk_top == CHK_NUM_MLIST && \

43
utils/skygw_types.h
View File

@ -1,28 +1,23 @@
/**
* @section LICENCE
*
* This file is distributed as part of the SkySQL Gateway. 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 SkySQL Ab
*
* @file
* @brief
*
/*
* This file is distributed as part of the SkySQL Gateway. 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 SkySQL Ab 2013
*/
#include <math.h>
#if !defined(SKYGW_TYPES_H)
#define SKYGW_TYPES_H
@ -37,7 +32,9 @@
#define MB MEGABYTE_BYTE
#define GB GIGABYTE_BYTE
#define CALCLEN(i) (floor(log10(abs(i))) + 1)
#define UINTLEN(i) (i<10 ? 1 : (i<100 ? 2 : (i<1000 ? 3 : CALCLEN(i))))
#if defined(__cplusplus) && !defined(TRUE) && !defined(FALSE)
# define TRUE true

19
utils/skygw_utils.cc
View File

@ -1,3 +1,22 @@
/*
* This file is distributed as part of the SkySQL Gateway. 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 SkySQL Ab 2013
*/
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>