Added skeletons for the two MySQL protocol modules. The actual code still needs to be moved into the modules
This commit is contained in:
Mark Riddoch
parent
cc448f4bb9
commit
0a5becbe81
2
Makefile
2
Makefile
@ -21,7 +21,9 @@
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all:
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(cd core; make)
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(cd modules/routing; make)
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(cd modules/protocol; make)
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clean:
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(cd core; make clean)
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(cd modules/routing; make clean)
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(cd modules/protocol; make clean)
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47
modules/protocol/Makefile
Normal file
47
modules/protocol/Makefile
Normal file
@ -0,0 +1,47 @@
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# This file is distributed as part of the SkySQL Gateway. It is free
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# software: you can redistribute it and/or modify it under the terms of the
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# GNU General Public License as published by the Free Software Foundation,
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# version 2.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 51
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Copyright SkySQL Ab 2013
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#
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# Revision History
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# Date Who Description
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# 13/06/13 Mark Riddoch Initial protocol module development
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CC=cc
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CFLAGS=-c -fPIC -I/usr/include -I../include -I../../include
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LDFLAGS=-shared
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MYSQLCLIENTSRCS=mysql_client.c
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MYSQLCLIENTOBJ=$(MYSQLCLIENTSRCS:.c=.o)
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MYSQLBACKENDSRCS=mysql_backend.c
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MYSQLBACKENDOBJ=$(MYSQLBACKENDSRCS:.c=.o)
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SRCS=$(MYSQLCLIENTSRCS) $(MYSQLBACKENDSRCS)
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OBJ=$(SRCS:.c=.o)
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LIBS=
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all: libMySQLClient.so libMySQLBackend.so
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libMySQLClient.so: $(MYSQLCLIENTOBJ)
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$(CC) $(LDFLAGS) $(MYSQLCLIENTOBJ) $(LIBS) -o $@
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libMySQLBackend.so: $(MYSQLBACKENDOBJ)
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$(CC) $(LDFLAGS) $(MYSQLBACKENDOBJ) $(LIBS) -o $@
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.c.o:
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$(CC) $(CFLAGS) $< -o $@
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clean:
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rm -f $(OBJ) libMySQLClient.so libMySQLBackend.so
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tags:
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ctags $(SRCS) $(HDRS)
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82
modules/protocol/mysql_backend.c
Normal file
82
modules/protocol/mysql_backend.c
Normal file
@ -0,0 +1,82 @@
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/*
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* This file is distributed as part of the SkySQL Gateway. It is free
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* software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation,
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* version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright SkySQL Ab 2013
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*/
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#include <stdio.h>
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#include <dcb.h>
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#include <buffer.h>
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/*
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* MySQL Protocol module for handling the protocol between the gateway
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* and the backend MySQL database.
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*
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* Revision History
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* Date Who Description
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* 14/06/2013 Mark Riddoch Initial version
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*/
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static char *version_str = "V1.0.0";
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extern int gw_read_backend_event(DCB* dcb, int epfd);
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extern int gw_write_backend_event(DCB *dcb, int epfd);
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extern int MySQLWrite(DCB *dcb, GWBUF *queue);
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extern int handle_event_errors_backend(DCB *dcb, int event);
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static GWPROTOCOL MyObject = {
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gw_read_backend_event, /* Read - EPOLLIN handler */
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MySQLWrite, /* Write - data from gateway */
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gw_write_backend_event, /* WriteReady - EPOLLOUT handler */
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handle_event_errors_backend, /* Error - EPOLLERR handler */
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NULL, /* HangUp - EPOLLHUP handler */
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NULL, /* Accept */
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NULL, /* Connect */
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NULL /* Close */
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};
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/*
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* Implementation of the mandatory version entry point
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*
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* @return version string of the module
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*/
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char *
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version()
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{
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return version_str;
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}
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/*
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* The module initialisation routine, called when the module
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* is first loaded.
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*/
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void
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ModuleInit()
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{
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fprintf(stderr, "Initial MySQL Client Protcol module.\n");
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}
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/*
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* The module entry point routine. It is this routine that
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* must populate the structure that is referred to as the
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* "module object", this is a structure with the set of
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* external entry points for this module.
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*
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* @return The module object
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*/
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GWPROTOCOL *
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GetModuleObject()
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{
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return &MyObject;
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}
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82
modules/protocol/mysql_client.c
Normal file
82
modules/protocol/mysql_client.c
Normal file
@ -0,0 +1,82 @@
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/*
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* This file is distributed as part of the SkySQL Gateway. It is free
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* software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation,
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* version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright SkySQL Ab 2013
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*/
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#include <stdio.h>
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#include <dcb.h>
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#include <buffer.h>
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/*
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* MySQL Protocol module for handling the protocol between the gateway
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* and the client.
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*
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* Revision History
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* Date Who Description
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* 14/06/2013 Mark Riddoch Initial version
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*/
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static char *version_str = "V1.0.0";
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extern int gw_route_read_event(DCB* dcb, int epfd);
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extern int gw_handle_write_event(DCB *dcb, int epfd);
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extern int MySQLWrite(DCB *dcb, GWBUF *queue);
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extern int handle_event_errors(DCB *dcb, int event);
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static GWPROTOCOL MyObject = {
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gw_route_read_event, /* Read - EPOLLIN handler */
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MySQLWrite, /* Write - data from gateway */
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gw_handle_write_event, /* WriteReady - EPOLLOUT handler */
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handle_event_errors, /* Error - EPOLLERR handler */
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NULL, /* HangUp - EPOLLHUP handler */
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NULL, /* Accept */
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NULL, /* Connect */
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NULL /* Close */
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};
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/*
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* Implementation of the mandatory version entry point
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*
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* @return version string of the module
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*/
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char *
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version()
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{
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return version_str;
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}
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/*
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* The module initialisation routine, called when the module
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* is first loaded.
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*/
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void
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ModuleInit()
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{
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fprintf(stderr, "Initial MySQL Client Protcol module.\n");
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}
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/*
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* The module entry point routine. It is this routine that
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* must populate the structure that is referred to as the
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* "module object", this is a structure with the set of
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* external entry points for this module.
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*
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* @return The module object
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*/
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GWPROTOCOL *
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GetModuleObject()
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{
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return &MyObject;
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}
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