diff options
Diffstat (limited to 'src/nxt_master_process.c')
| -rw-r--r-- | src/nxt_master_process.c | 177 |
1 files changed, 165 insertions, 12 deletions
diff --git a/src/nxt_master_process.c b/src/nxt_master_process.c index 3e72ce85..8a4f8564 100644 --- a/src/nxt_master_process.c +++ b/src/nxt_master_process.c @@ -27,6 +27,8 @@ static nxt_int_t nxt_master_start_controller_process(nxt_task_t *task, nxt_runtime_t *rt); static nxt_int_t nxt_master_start_router_process(nxt_task_t *task, nxt_runtime_t *rt); +static nxt_int_t nxt_master_start_discovery_process(nxt_task_t *task, + nxt_runtime_t *rt); static nxt_int_t nxt_master_start_worker_process(nxt_task_t *task, nxt_runtime_t *rt, nxt_common_app_conf_t *app_conf, uint32_t stream); static nxt_int_t nxt_master_create_worker_process(nxt_task_t *task, @@ -44,6 +46,9 @@ static void nxt_master_port_socket_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg); static nxt_int_t nxt_master_listening_socket(nxt_sockaddr_t *sa, nxt_listening_socket_t *ls); +static void nxt_master_port_modules_handler(nxt_task_t *task, + nxt_port_recv_msg_t *msg); +static int nxt_cdecl nxt_app_lang_compare(const void *v1, const void *v2); const nxt_sig_event_t nxt_master_process_signals[] = { @@ -63,8 +68,6 @@ nxt_int_t nxt_master_process_start(nxt_thread_t *thr, nxt_task_t *task, nxt_runtime_t *rt) { - nxt_int_t ret; - rt->types |= (1U << NXT_PROCESS_MASTER); if (nxt_master_process_port_create(task, rt) != NXT_OK) { @@ -73,12 +76,12 @@ nxt_master_process_start(nxt_thread_t *thr, nxt_task_t *task, nxt_master_process_title(task); - ret = nxt_master_start_controller_process(task, rt); - if (ret != NXT_OK) { - return ret; - } - - return nxt_master_start_router_process(task, rt); + /* + * The dicsovery process will send a message processed by + * nxt_master_port_modules_handler() which starts the controller + * and router processes. + */ + return nxt_master_start_discovery_process(task, rt); } @@ -197,8 +200,6 @@ nxt_port_master_start_worker_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg) return; } - app_conf.type_id = nxt_app_parse_type(&app_conf.type); - ret = nxt_master_start_worker_process(task, task->thread->runtime, &app_conf, msg->port_msg.stream); @@ -216,6 +217,7 @@ static nxt_port_handler_t nxt_master_process_port_handlers[] = { nxt_port_ready_handler, nxt_port_master_start_worker_handler, nxt_master_port_socket_handler, + nxt_master_port_modules_handler, nxt_port_rpc_handler, nxt_port_rpc_handler, }; @@ -289,7 +291,7 @@ nxt_master_start_controller_process(nxt_task_t *task, nxt_runtime_t *rt) { nxt_process_init_t *init; - init = nxt_mp_get(rt->mem_pool, sizeof(nxt_process_init_t)); + init = nxt_malloc(sizeof(nxt_process_init_t)); if (nxt_slow_path(init == NULL)) { return NXT_ERROR; } @@ -309,11 +311,35 @@ nxt_master_start_controller_process(nxt_task_t *task, nxt_runtime_t *rt) static nxt_int_t +nxt_master_start_discovery_process(nxt_task_t *task, nxt_runtime_t *rt) +{ + nxt_process_init_t *init; + + init = nxt_malloc(sizeof(nxt_process_init_t)); + if (nxt_slow_path(init == NULL)) { + return NXT_ERROR; + } + + init->start = nxt_discovery_start; + init->name = "discovery"; + init->user_cred = &rt->user_cred; + init->port_handlers = nxt_discovery_process_port_handlers; + init->signals = nxt_worker_process_signals; + init->type = NXT_PROCESS_DISCOVERY; + init->data = rt; + init->stream = 0; + init->restart = 0; + + return nxt_master_create_worker_process(task, rt, init); +} + + +static nxt_int_t nxt_master_start_router_process(nxt_task_t *task, nxt_runtime_t *rt) { nxt_process_init_t *init; - init = nxt_mp_get(rt->mem_pool, sizeof(nxt_process_init_t)); + init = nxt_malloc(sizeof(nxt_process_init_t)); if (nxt_slow_path(init == NULL)) { return NXT_ERROR; } @@ -885,3 +911,130 @@ fail: return NXT_ERROR; } + + +static nxt_conf_map_t nxt_app_lang_module_map[] = { + { + nxt_string("type"), + NXT_CONF_MAP_STR_COPY, + offsetof(nxt_app_lang_module_t, type), + }, + + { + nxt_string("version"), + NXT_CONF_MAP_STR_COPY, + offsetof(nxt_app_lang_module_t, version), + }, + + { + nxt_string("file"), + NXT_CONF_MAP_CSTRZ, + offsetof(nxt_app_lang_module_t, file), + }, +}; + + +static void +nxt_master_port_modules_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg) +{ + uint32_t index; + nxt_mp_t *mp; + nxt_int_t ret; + nxt_buf_t *b; + nxt_runtime_t *rt; + nxt_conf_value_t *conf, *root, *value; + nxt_app_lang_module_t *lang; + + static nxt_str_t root_path = nxt_string("/"); + + rt = task->thread->runtime; + + if (msg->port_msg.pid != rt->port_by_type[NXT_PROCESS_DISCOVERY]->pid) { + return; + } + + b = msg->buf; + + if (b == NULL) { + return; + } + + nxt_debug(task, "application languages: \"%*s\"", + b->mem.free - b->mem.pos, b->mem.pos); + + mp = nxt_mp_create(1024, 128, 256, 32); + if (mp == NULL) { + return; + } + + conf = nxt_conf_json_parse(mp, b->mem.pos, b->mem.free, NULL); + if (conf == NULL) { + goto fail; + } + + root = nxt_conf_get_path(conf, &root_path); + if (root == NULL) { + goto fail; + } + + for (index = 0; /* void */ ; index++) { + value = nxt_conf_get_array_element(root, index); + if (value == NULL) { + break; + } + + lang = nxt_array_add(rt->languages); + if (lang == NULL) { + goto fail; + } + + lang->module = NULL; + + ret = nxt_conf_map_object(rt->mem_pool, value, nxt_app_lang_module_map, + nxt_nitems(nxt_app_lang_module_map), lang); + + if (ret != NXT_OK) { + goto fail; + } + + nxt_debug(task, "lang %V %V \"%s\"", + &lang->type, &lang->version, lang->file); + } + + qsort(rt->languages->elts, rt->languages->nelts, + sizeof(nxt_app_lang_module_t), nxt_app_lang_compare); + +fail: + + nxt_mp_destroy(mp); + + ret = nxt_master_start_controller_process(task, rt); + + if (ret == NXT_OK) { + (void) nxt_master_start_router_process(task, rt); + } +} + + +static int nxt_cdecl +nxt_app_lang_compare(const void *v1, const void *v2) +{ + int n; + size_t length; + const nxt_app_lang_module_t *lang1, *lang2; + + lang1 = v1; + lang2 = v2; + + length = nxt_min(lang1->version.length, lang2->version.length); + + n = nxt_strncmp(lang1->version.start, lang2->version.start, length); + + if (n == 0) { + n = lang1->version.length - lang2->version.length; + } + + /* Negate result to move higher versions to the beginning. */ + + return -n; +} |