odyssey/sources/deploy.c

/*
 * Odyssey.
 *
 * Scalable PostgreSQL connection pooler.
 */

#include <stdlib.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <inttypes.h>
#include <assert.h>

#include <machinarium.h>
#include <kiwi.h>
#include <odyssey.h>

int
od_deploy(od_client_t *client, char *context)
{
	od_instance_t *instance = client->global->instance;
	od_server_t *server     = client->server;
	od_route_t *route       = client->route;

	if (route->id.physical_rep || route->id.logical_rep)
		return 0;

	/* compare and set options which are differs from server */
	int query_count;
	query_count = 0;

	char query[512];
	int query_size;
	query_size =
	  kiwi_vars_cas(&client->vars, &server->vars, query, sizeof(query) - 1);
	if (query_size > 0) {
		query[query_size] = 0;
		query_size++;
		machine_msg_t *msg;
		msg = kiwi_fe_write_query(NULL, query, query_size);
		if (msg == NULL)
			return -1;
		int rc;
		rc = od_write(&server->io, msg);
		if (rc == -1)
			return -1;
		query_count++;

		od_debug(
		  &instance->logger, context, client, server, "deploy: %s", query);
	}

	return query_count;
}