odyssey/sources/worker_pool.c

86 lines
1.8 KiB
C

/*
* Odyssey.
*
* Advanced PostgreSQL connection pooler.
*/
#include <stdlib.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <signal.h>
#include <machinarium.h>
#include <shapito.h>
#include "sources/macro.h"
#include "sources/version.h"
#include "sources/atomic.h"
#include "sources/util.h"
#include "sources/error.h"
#include "sources/list.h"
#include "sources/pid.h"
#include "sources/id.h"
#include "sources/logger.h"
#include "sources/daemon.h"
#include "sources/config.h"
#include "sources/config_reader.h"
#include "sources/msg.h"
#include "sources/global.h"
#include "sources/server.h"
#include "sources/server_pool.h"
#include "sources/client.h"
#include "sources/client_pool.h"
#include "sources/route_id.h"
#include "sources/route.h"
#include "sources/route_pool.h"
#include "sources/instance.h"
#include "sources/router_cancel.h"
#include "sources/router.h"
#include "sources/system.h"
#include "sources/worker.h"
#include "sources/worker_pool.h"
#include "sources/frontend.h"
void od_workerpool_init(od_workerpool_t *pool)
{
pool->count = 0;
pool->round_robin = 0;
pool->pool = NULL;
}
int od_workerpool_start(od_workerpool_t *pool, od_global_t *global, int count)
{
pool->pool = malloc(sizeof(od_worker_t) * count);
if (pool->pool == NULL)
return -1;
pool->count = count;
int i;
for (i = 0; i < count; i++) {
od_worker_t *worker = &pool->pool[i];
od_worker_init(worker, global, i);
int rc;
rc = od_worker_start(worker);
if (rc == -1)
return -1;
}
return 0;
}
void od_workerpool_feed(od_workerpool_t *pool, machine_msg_t *msg)
{
int next = pool->round_robin;
if (pool->round_robin >= pool->count) {
pool->round_robin = 0;
next = 0;
}
pool->round_robin++;
od_worker_t *worker;
worker = &pool->pool[next];
machine_channel_write(worker->task_channel, msg);
}