diff options
Diffstat (limited to 'plugin/daemon_example')
| -rw-r--r-- | plugin/daemon_example/AUTHORS | 1 | ||||
| -rw-r--r-- | plugin/daemon_example/ChangeLog | 2 | ||||
| -rw-r--r-- | plugin/daemon_example/Makefile.am | 42 | ||||
| -rw-r--r-- | plugin/daemon_example/NEWS | 2 | ||||
| -rw-r--r-- | plugin/daemon_example/README | 8 | ||||
| -rw-r--r-- | plugin/daemon_example/configure.in | 9 | ||||
| -rw-r--r-- | plugin/daemon_example/daemon_example.cc | 202 | ||||
| -rw-r--r-- | plugin/daemon_example/plug.in | 3 |
8 files changed, 269 insertions, 0 deletions
diff --git a/plugin/daemon_example/AUTHORS b/plugin/daemon_example/AUTHORS new file mode 100644 index 00000000000..fe992df1360 --- /dev/null +++ b/plugin/daemon_example/AUTHORS @@ -0,0 +1 @@ +Brian Aker <brian@mysql.com> diff --git a/plugin/daemon_example/ChangeLog b/plugin/daemon_example/ChangeLog new file mode 100644 index 00000000000..c4b09806f83 --- /dev/null +++ b/plugin/daemon_example/ChangeLog @@ -0,0 +1,2 @@ +0.1 + - Added diff --git a/plugin/daemon_example/Makefile.am b/plugin/daemon_example/Makefile.am new file mode 100644 index 00000000000..f59079d4d65 --- /dev/null +++ b/plugin/daemon_example/Makefile.am @@ -0,0 +1,42 @@ +# Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. +# +# This program 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 of the License. +# +# 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 St, Fifth Floor, Boston, MA 02110-1301 USA + +#Makefile.am example for a daemon +MYSQLDATAdir = $(localstatedir) +MYSQLSHAREdir = $(pkgdatadir) +MYSQLBASEdir= $(prefix) +MYSQLLIBdir= $(pkglibdir) +pkgplugindir = $(pkglibdir)/plugin +INCLUDES = -I$(top_srcdir)/include -I$(top_builddir)/include \ + -I$(top_srcdir)/regex \ + -I$(top_srcdir)/sql \ + -I$(srcdir) @ZLIB_INCLUDES@ + +EXTRA_LTLIBRARIES = libdaemon_example.la +pkgplugin_LTLIBRARIES = @plugin_daemon_example_shared_target@ +libdaemon_example_la_LDFLAGS = -module -rpath $(pkgplugindir) +libdaemon_example_la_CXXFLAGS= $(AM_CXXFLAGS) -DMYSQL_DYNAMIC_PLUGIN +libdaemon_example_la_CFLAGS = $(AM_CFLAGS) -DMYSQL_DYNAMIC_PLUGIN +libdaemon_example_la_SOURCES = daemon_example.cc + + +EXTRA_LIBRARIES = libdaemon_example.a +noinst_LIBRARIES = @plugin_daemon_example_static_target@ +libdaemon_example_a_CXXFLAGS = $(AM_CXXFLAGS) +libdaemon_example_a_CFLAGS = $(AM_CFLAGS) +libdaemon_example_a_SOURCES= daemon_example.cc + +# Don't update the files from bitkeeper +%::SCCS/s.% diff --git a/plugin/daemon_example/NEWS b/plugin/daemon_example/NEWS new file mode 100644 index 00000000000..ddae9fc3297 --- /dev/null +++ b/plugin/daemon_example/NEWS @@ -0,0 +1,2 @@ +0.1 - Tue Nov 7 12:08:03 PST 2006 + * Added Example to test interface diff --git a/plugin/daemon_example/README b/plugin/daemon_example/README new file mode 100644 index 00000000000..d3c67be6f52 --- /dev/null +++ b/plugin/daemon_example/README @@ -0,0 +1,8 @@ +Hi! + +This is an example of a daemon plugin. These are generic plugins that +only hook ino the startup and shutdown of the database. + +Cheers, + -Brian + Seattle, WA diff --git a/plugin/daemon_example/configure.in b/plugin/daemon_example/configure.in new file mode 100644 index 00000000000..8924b7f5bc4 --- /dev/null +++ b/plugin/daemon_example/configure.in @@ -0,0 +1,9 @@ +# configure.in example for a daemon + +AC_INIT(daemon_example, 0.1) +AM_INIT_AUTOMAKE +AC_DISABLE_STATIC +AC_PROG_LIBTOOL +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT + diff --git a/plugin/daemon_example/daemon_example.cc b/plugin/daemon_example/daemon_example.cc new file mode 100644 index 00000000000..af585bb4302 --- /dev/null +++ b/plugin/daemon_example/daemon_example.cc @@ -0,0 +1,202 @@ +/* Copyright (C) 2006 MySQL AB + + This program 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 of the License. + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#include <mysql_priv.h> +#include <stdlib.h> +#include <ctype.h> +#include <mysql_version.h> +#include <mysql/plugin.h> +#include <my_global.h> +#include <my_dir.h> + +/* + Disable __attribute__() on non-gcc compilers. +*/ +#if !defined(__attribute__) && !defined(__GNUC__) +#define __attribute__(A) +#endif + + +#define HEART_STRING_BUFFER 100 + +struct mysql_heartbeat_context +{ + pthread_t heartbeat_thread; + File heartbeat_file; +}; + +pthread_handler_t mysql_heartbeat(void *p) +{ + DBUG_ENTER("mysql_heartbeat"); + struct mysql_heartbeat_context *con= (struct mysql_heartbeat_context *)p; + char buffer[HEART_STRING_BUFFER]; + unsigned int x= 0; + time_t result; + struct tm tm_tmp; + + while(1) + { + sleep(5); + + result= time(NULL); + localtime_r(&result, &tm_tmp); + my_snprintf(buffer, sizeof(buffer), + "Heartbeat at %02d%02d%02d %2d:%02d:%02d\n", + tm_tmp.tm_year % 100, + tm_tmp.tm_mon+1, + tm_tmp.tm_mday, + tm_tmp.tm_hour, + tm_tmp.tm_min, + tm_tmp.tm_sec); + my_write(con->heartbeat_file, (uchar*) buffer, strlen(buffer), MYF(0)); + x++; + } + + DBUG_RETURN(0); +} + +/* + Initialize the daemon example at server start or plugin installation. + + SYNOPSIS + daemon_example_plugin_init() + + DESCRIPTION + Starts up heartbeatbeat thread + + RETURN VALUE + 0 success + 1 failure (cannot happen) +*/ + +static int daemon_example_plugin_init(void *p) +{ + + DBUG_ENTER("daemon_example_plugin_init"); + struct mysql_heartbeat_context *con; + pthread_attr_t attr; /* Thread attributes */ + char heartbeat_filename[FN_REFLEN]; + char buffer[HEART_STRING_BUFFER]; + time_t result= time(NULL); + struct tm tm_tmp; + + struct st_plugin_int *plugin= (struct st_plugin_int *)p; + + con= (struct mysql_heartbeat_context *) + my_malloc(sizeof(struct mysql_heartbeat_context), MYF(0)); + + fn_format(heartbeat_filename, "mysql-heartbeat", "", ".log", + MY_REPLACE_EXT | MY_UNPACK_FILENAME); + unlink(heartbeat_filename); + con->heartbeat_file= my_open(heartbeat_filename, O_CREAT|O_RDWR, MYF(0)); + + /* + No threads exist at this point in time, so this is thread safe. + */ + localtime_r(&result, &tm_tmp); + my_snprintf(buffer, sizeof(buffer), + "Starting up at %02d%02d%02d %2d:%02d:%02d\n", + tm_tmp.tm_year % 100, + tm_tmp.tm_mon+1, + tm_tmp.tm_mday, + tm_tmp.tm_hour, + tm_tmp.tm_min, + tm_tmp.tm_sec); + my_write(con->heartbeat_file, (uchar*) buffer, strlen(buffer), MYF(0)); + + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, + PTHREAD_CREATE_JOINABLE); + + + /* now create the thread */ + if (pthread_create(&con->heartbeat_thread, &attr, mysql_heartbeat, + (void *)con) != 0) + { + fprintf(stderr,"Could not create heartbeat thread!\n"); + exit(0); + } + plugin->data= (void *)con; + + DBUG_RETURN(0); +} + + +/* + Terminate the daemon example at server shutdown or plugin deinstallation. + + SYNOPSIS + daemon_example_plugin_deinit() + Does nothing. + + RETURN VALUE + 0 success + 1 failure (cannot happen) + +*/ + +static int daemon_example_plugin_deinit(void *p) +{ + DBUG_ENTER("daemon_example_plugin_deinit"); + char buffer[HEART_STRING_BUFFER]; + struct st_plugin_int *plugin= (struct st_plugin_int *)p; + struct mysql_heartbeat_context *con= + (struct mysql_heartbeat_context *)plugin->data; + time_t result= time(NULL); + struct tm tm_tmp; + + pthread_cancel(con->heartbeat_thread); + + localtime_r(&result, &tm_tmp); + my_snprintf(buffer, sizeof(buffer), + "Shutting down at %02d%02d%02d %2d:%02d:%02d\n", + tm_tmp.tm_year % 100, + tm_tmp.tm_mon+1, + tm_tmp.tm_mday, + tm_tmp.tm_hour, + tm_tmp.tm_min, + tm_tmp.tm_sec); + my_write(con->heartbeat_file, (uchar*) buffer, strlen(buffer), MYF(0)); + my_close(con->heartbeat_file, MYF(0)); + + my_free((char *)con, MYF(0)); + + DBUG_RETURN(0); +} + + +struct st_mysql_daemon daemon_example_plugin= +{ MYSQL_DAEMON_INTERFACE_VERSION }; + +/* + Plugin library descriptor +*/ + +mysql_declare_plugin(daemon_example) +{ + MYSQL_DAEMON_PLUGIN, + &daemon_example_plugin, + "daemon_example", + "Brian Aker", + "Daemon example, creates a heartbeat beat file in mysql-heartbeat.log", + PLUGIN_LICENSE_GPL, + daemon_example_plugin_init, /* Plugin Init */ + daemon_example_plugin_deinit, /* Plugin Deinit */ + 0x0100 /* 1.0 */, + NULL, /* status variables */ + NULL, /* system variables */ + NULL /* config options */ +} +mysql_declare_plugin_end; diff --git a/plugin/daemon_example/plug.in b/plugin/daemon_example/plug.in new file mode 100644 index 00000000000..72e87a70f59 --- /dev/null +++ b/plugin/daemon_example/plug.in @@ -0,0 +1,3 @@ +MYSQL_PLUGIN(daemon_example,[Daemon Example Plugin], + [This is an example plugin daemon.]) +MYSQL_PLUGIN_DYNAMIC(daemon_example, [libdaemon_example.la]) |