MySQL daemon plugin sample.

hello_daemon_plugin.c

#include <stdio.h>
#include <mysql_version.h>
#include <mysql/plugin.h>

struct st_mysql_daemon hello_daemon_plugin =
{ MYSQL_DAEMON_INTERFACE_VERSION  };

static FILE *fp;

int hello_daemon_plugin_init(void *p)
{
  fp = fopen("/tmp/hellodaemon.txt", "w");
  fprintf(fp, "Yeah! Hello MySQL Daemon Plugin!!\n");
  fflush(fp);
  return 0;
}

int hello_daemon_plugin_deinit(void *p)
{
  fprintf(fp, "Shutting down Hello Daemon!!\n");
  fclose(fp);
  return 0;
}

mysql_declare_plugin(hello_daemon)
{
  MYSQL_DAEMON_PLUGIN,
  &hello_daemon_plugin,
  "hello_daemon",
  "Tom Tsuruhara",
  "A simple daemon plugin example",
  PLUGIN_LICENSE_GPL,
  hello_daemon_plugin_init, /* Plugin Init */
  hello_daemon_plugin_deinit, /* Plugin Deinit */
  0x0100,
  NULL,
  NULL,
  NULL
}
mysql_declare_plugin_end;