diff options
Diffstat (limited to 'src/nxt_controller.c')
| -rw-r--r-- | src/nxt_controller.c | 142 |
1 files changed, 132 insertions, 10 deletions
diff --git a/src/nxt_controller.c b/src/nxt_controller.c index ea70cf78..a61c127d 100644 --- a/src/nxt_controller.c +++ b/src/nxt_controller.c @@ -39,11 +39,17 @@ typedef struct { } nxt_controller_response_t; +static nxt_int_t nxt_controller_prefork(nxt_task_t *task, + nxt_process_t *process, nxt_mp_t *mp); +static nxt_int_t nxt_controller_start(nxt_task_t *task, + nxt_process_data_t *data); static void nxt_controller_process_new_port_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg); static void nxt_controller_send_current_conf(nxt_task_t *task); static void nxt_controller_router_ready_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg); +static void nxt_controller_remove_pid_handler(nxt_task_t *task, + nxt_port_recv_msg_t *msg); static nxt_int_t nxt_controller_conf_default(void); static void nxt_controller_conf_init_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg, void *data); @@ -83,6 +89,8 @@ static void nxt_controller_process_cert(nxt_task_t *task, static void nxt_controller_process_cert_save(nxt_task_t *task, nxt_port_recv_msg_t *msg, void *data); static nxt_bool_t nxt_controller_cert_in_use(nxt_str_t *name); +static void nxt_controller_cert_cleanup(nxt_task_t *task, void *obj, + void *data); #endif static void nxt_controller_conf_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg, void *data); @@ -114,21 +122,117 @@ static const nxt_event_conn_state_t nxt_controller_conn_write_state; static const nxt_event_conn_state_t nxt_controller_conn_close_state; -nxt_port_handlers_t nxt_controller_process_port_handlers = { - .quit = nxt_worker_process_quit_handler, +static const nxt_port_handlers_t nxt_controller_process_port_handlers = { + .quit = nxt_signal_quit_handler, .new_port = nxt_controller_process_new_port_handler, .change_file = nxt_port_change_log_file_handler, .mmap = nxt_port_mmap_handler, .process_ready = nxt_controller_router_ready_handler, .data = nxt_port_data_handler, - .remove_pid = nxt_port_remove_pid_handler, + .remove_pid = nxt_controller_remove_pid_handler, .rpc_ready = nxt_port_rpc_handler, .rpc_error = nxt_port_rpc_handler, }; -nxt_int_t -nxt_controller_start(nxt_task_t *task, void *data) +const nxt_process_init_t nxt_controller_process = { + .name = "controller", + .type = NXT_PROCESS_CONTROLLER, + .prefork = nxt_controller_prefork, + .restart = 1, + .setup = nxt_process_core_setup, + .start = nxt_controller_start, + .port_handlers = &nxt_controller_process_port_handlers, + .signals = nxt_process_signals, +}; + + +static nxt_int_t +nxt_controller_prefork(nxt_task_t *task, nxt_process_t *process, nxt_mp_t *mp) +{ + ssize_t n; + nxt_int_t ret; + nxt_str_t *conf; + nxt_file_t file; + nxt_runtime_t *rt; + nxt_file_info_t fi; + nxt_controller_init_t ctrl_init; + + nxt_log(task, NXT_LOG_INFO, "controller started"); + + rt = task->thread->runtime; + + nxt_memzero(&ctrl_init, sizeof(nxt_controller_init_t)); + + conf = &ctrl_init.conf; + + nxt_memzero(&file, sizeof(nxt_file_t)); + + file.name = (nxt_file_name_t *) rt->conf; + + ret = nxt_file_open(task, &file, NXT_FILE_RDONLY, NXT_FILE_OPEN, 0); + + if (ret == NXT_OK) { + ret = nxt_file_info(&file, &fi); + + if (nxt_fast_path(ret == NXT_OK && nxt_is_file(&fi))) { + conf->length = nxt_file_size(&fi); + conf->start = nxt_mp_alloc(mp, conf->length); + if (nxt_slow_path(conf->start == NULL)) { + nxt_file_close(task, &file); + return NXT_ERROR; + } + + n = nxt_file_read(&file, conf->start, conf->length, 0); + + if (nxt_slow_path(n != (ssize_t) conf->length)) { + conf->start = NULL; + conf->length = 0; + + nxt_alert(task, "failed to restore previous configuration: " + "cannot read the file"); + } + } + + nxt_file_close(task, &file); + } + +#if (NXT_TLS) + ctrl_init.certs = nxt_cert_store_load(task, mp); + + nxt_mp_cleanup(mp, nxt_controller_cert_cleanup, task, ctrl_init.certs, rt); +#endif + + process->data.controller = ctrl_init; + + return NXT_OK; +} + + +#if (NXT_TLS) + +static void +nxt_controller_cert_cleanup(nxt_task_t *task, void *obj, void *data) +{ + pid_t main_pid; + nxt_array_t *certs; + nxt_runtime_t *rt; + + certs = obj; + rt = data; + + main_pid = rt->port_by_type[NXT_PROCESS_MAIN]->pid; + + if (nxt_pid == main_pid && certs != NULL) { + nxt_cert_store_release(certs); + } +} + +#endif + + +static nxt_int_t +nxt_controller_start(nxt_task_t *task, nxt_process_data_t *data) { nxt_mp_t *mp; nxt_int_t ret; @@ -147,15 +251,13 @@ nxt_controller_start(nxt_task_t *task, void *data) nxt_queue_init(&nxt_controller_waiting_requests); - init = data; + init = &data->controller; #if (NXT_TLS) - if (init->certs != NULL) { nxt_cert_info_init(task, init->certs); nxt_cert_store_release(init->certs); } - #endif json = &init->conf; @@ -170,8 +272,6 @@ nxt_controller_start(nxt_task_t *task, void *data) } conf = nxt_conf_json_parse_str(mp, json); - nxt_free(json->start); - if (nxt_slow_path(conf == NULL)) { nxt_alert(task, "failed to restore previous configuration: " "file is corrupted or not enough memory"); @@ -295,6 +395,28 @@ nxt_controller_router_ready_handler(nxt_task_t *task, } +static void +nxt_controller_remove_pid_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg) +{ + nxt_pid_t pid; + nxt_process_t *process; + nxt_runtime_t *rt; + + rt = task->thread->runtime; + + nxt_assert(nxt_buf_used_size(msg->buf) == sizeof(pid)); + + nxt_memcpy(&pid, msg->buf->mem.pos, sizeof(pid)); + + process = nxt_runtime_process_find(rt, pid); + if (process != NULL && nxt_process_type(process) == NXT_PROCESS_ROUTER) { + nxt_controller_router_ready = 0; + } + + nxt_port_remove_pid_handler(task, msg); +} + + static nxt_int_t nxt_controller_conf_default(void) { |