Hi,
I am using core ODBC for MySQL connect.
Trying to implement failover using 2 servers - main and backup.
If main server is not responding, it should try to query backup server.
The following is used in my module:
if (switch_odbc_handle_callback_exec(*globals.master_odbc*, sql,
my_func_callback, &pdata, NULL) != SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(***)Error running
query on master database: [%s]\n", sql);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "(***)Trying backup
database: [%s]\n", globals.backup_odbc);
if (switch_odbc_handle_callback_exec(*globals.backup_odbc*,
sql, my_func_callback, &pdata, NULL) != SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "(***)Error running
query on master and backup database: [%s]\n", sql);
}
}
...
Right now it tries to reconnect to main server 120 times before it gives up
and goes to backup server.
I found the following in the switch_odbc.c:
int max_tries = 120;
Is there is a way to disable this check, so if it will not be able to
connect to master, it will immediate go to backup server?
I know I can change the source, but this will be already "customized core" -
don't want to go in this direction.
Or maybe there is a better way to handle database fail over in my module?
Thank you,
Vitalie
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