mirror of https://github.com/yandex/odyssey.git
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
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/*
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* Odyssey.
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*
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* Scalable PostgreSQL connection pooler.
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*/
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#include <kiwi.h>
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#include <machinarium.h>
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#include <odyssey.h>
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static inline int od_system_server_complete_stop(od_system_server_t *server)
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{
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/* shutdown */
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int rc;
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rc = machine_shutdown(server->io);
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if (rc == -1)
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return NOT_OK_RESPONSE;
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return OK_RESPONSE;
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}
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void od_grac_shutdown_worker(void *arg)
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{
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od_system_t *system = arg;
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od_instance_t *instance = system->global->instance;
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od_log(&instance->logger, "config", NULL, NULL,
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"stop to accepting new connections");
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od_setproctitlef(
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&instance->orig_argv_ptr,
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"odyssey: version %s stop accepting any connections and "
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"working with old transactions",
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OD_VERSION_NUMBER);
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od_router_t *router = system->global->router;
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od_list_t *i;
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od_list_foreach(&router->servers, i)
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{
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od_system_server_t *server;
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server = od_container_of(i, od_system_server_t, link);
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server->closed = true;
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}
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od_dbg_printf_on_dvl_lvl(1, "servers closed, errors: %d\n", 0);
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/* wait for all servers to complete old transations */
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od_list_foreach(&router->servers, i)
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{
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#if OD_DEVEL_LVL != OD_RELEASE_MODE
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od_system_server_t *server;
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server = od_container_of(i, od_system_server_t, link);
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#else
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od_attribute_unused() od_system_server_t *server;
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server = od_container_of(i, od_system_server_t, link);
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#endif
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while (od_atomic_u32_of(&router->clients_routing) ||
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od_atomic_u32_of(&router->clients)) {
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od_dbg_printf_on_dvl_lvl(1, "waiting for %s\n",
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server->sid.id);
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machine_sleep(1000);
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}
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od_dbg_printf_on_dvl_lvl(1, "server shutdown ok %s\n",
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server->sid.id);
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}
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od_dbg_printf_on_dvl_lvl(1, "shutting down sockets %s\n", "");
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/* close sockets */
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od_list_foreach(&router->servers, i)
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{
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od_system_server_t *server;
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server = od_container_of(i, od_system_server_t, link);
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od_system_server_complete_stop(server);
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}
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machine_stop(system->machine);
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od_dbg_printf_on_dvl_lvl(
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1, "waiting done, sending sigint to own process %d\n",
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instance->pid.pid);
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kill(instance->pid.pid, SIGINT);
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}
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