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-rw-r--r--src/nxt_router.c255
1 files changed, 192 insertions, 63 deletions
diff --git a/src/nxt_router.c b/src/nxt_router.c
index 5f654050..5beceb38 100644
--- a/src/nxt_router.c
+++ b/src/nxt_router.c
@@ -45,10 +45,15 @@ struct nxt_req_app_link_s {
};
+typedef struct {
+ nxt_socket_conf_t *socket_conf;
+ nxt_router_temp_conf_t *temp_conf;
+} nxt_socket_rpc_t;
+
+
static nxt_router_temp_conf_t *nxt_router_temp_conf(nxt_task_t *task);
-static nxt_int_t nxt_router_conf_new(nxt_task_t *task,
- nxt_router_temp_conf_t *tmcf, u_char *start, u_char *end);
-static void nxt_router_conf_success(nxt_task_t *task,
+static void nxt_router_conf_apply(nxt_task_t *task, void *obj, void *data);
+static void nxt_router_conf_ready(nxt_task_t *task,
nxt_router_temp_conf_t *tmcf);
static void nxt_router_conf_error(nxt_task_t *task,
nxt_router_temp_conf_t *tmcf);
@@ -62,8 +67,12 @@ static nxt_int_t nxt_router_conf_create(nxt_task_t *task,
static nxt_app_t *nxt_router_app_find(nxt_queue_t *queue, nxt_str_t *name);
static nxt_app_t *nxt_router_listener_application(nxt_router_temp_conf_t *tmcf,
nxt_str_t *name);
-static nxt_int_t nxt_router_listen_sockets_stub_create(nxt_task_t *task,
- nxt_router_temp_conf_t *tmcf);
+static void nxt_router_listen_socket_rpc_create(nxt_task_t *task,
+ nxt_router_temp_conf_t *tmcf, nxt_socket_conf_t *skcf);
+static void nxt_router_listen_socket_ready(nxt_task_t *task,
+ nxt_port_recv_msg_t *msg, void *data);
+static void nxt_router_listen_socket_error(nxt_task_t *task,
+ nxt_port_recv_msg_t *msg, void *data);
static nxt_socket_conf_t *nxt_router_socket_conf(nxt_task_t *task, nxt_mp_t *mp,
nxt_sockaddr_t *sa);
@@ -306,8 +315,8 @@ void
nxt_router_conf_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
{
size_t dump_size;
- nxt_buf_t *b;
nxt_int_t ret;
+ nxt_buf_t *b;
nxt_router_temp_conf_t *tmcf;
b = msg->buf;
@@ -329,18 +338,17 @@ nxt_router_conf_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
tmcf->conf->router = nxt_router;
tmcf->stream = msg->port_msg.stream;
tmcf->port = nxt_runtime_port_find(task->thread->runtime,
- msg->port_msg.pid, 0);
+ msg->port_msg.pid,
+ msg->port_msg.reply_port);
- ret = nxt_router_conf_new(task, tmcf, b->mem.pos, b->mem.free);
+ ret = nxt_router_conf_create(task, tmcf, b->mem.pos, b->mem.free);
- if (ret == NXT_OK) {
- nxt_router_conf_success(task, tmcf);
- return;
- }
-
- nxt_log(task, NXT_LOG_CRIT, "failed to apply new conf");
+ if (nxt_fast_path(ret == NXT_OK)) {
+ nxt_router_conf_apply(task, tmcf, NULL);
- nxt_router_conf_error(task, tmcf);
+ } else {
+ nxt_router_conf_error(task, tmcf);
+ }
}
@@ -421,41 +429,46 @@ fail:
}
-static nxt_int_t
-nxt_router_conf_new(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
- u_char *start, u_char *end)
+static void
+nxt_router_conf_apply(nxt_task_t *task, void *obj, void *data)
{
nxt_int_t ret;
nxt_router_t *router;
nxt_runtime_t *rt;
+ nxt_queue_link_t *qlk;
+ nxt_socket_conf_t *skcf;
+ nxt_router_temp_conf_t *tmcf;
const nxt_event_interface_t *interface;
- ret = nxt_router_conf_create(task, tmcf, start, end);
- if (nxt_slow_path(ret != NXT_OK)) {
- return ret;
- }
+ tmcf = obj;
- router = tmcf->conf->router;
+ qlk = nxt_queue_first(&tmcf->pending);
- nxt_router_listen_sockets_sort(router, tmcf);
+ if (qlk != nxt_queue_tail(&tmcf->pending)) {
+ nxt_queue_remove(qlk);
+ nxt_queue_insert_tail(&tmcf->creating, qlk);
- ret = nxt_router_listen_sockets_stub_create(task, tmcf);
- if (nxt_slow_path(ret != NXT_OK)) {
- return ret;
+ skcf = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
+
+ nxt_router_listen_socket_rpc_create(task, tmcf, skcf);
+
+ return;
}
rt = task->thread->runtime;
interface = nxt_service_get(rt->services, "engine", NULL);
+ router = tmcf->conf->router;
+
ret = nxt_router_engines_create(task, router, tmcf, interface);
if (nxt_slow_path(ret != NXT_OK)) {
- return ret;
+ goto fail;
}
ret = nxt_router_threads_create(task, rt, tmcf);
if (nxt_slow_path(ret != NXT_OK)) {
- return ret;
+ goto fail;
}
nxt_router_apps_sort(router, tmcf);
@@ -465,7 +478,15 @@ nxt_router_conf_new(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
nxt_queue_add(&router->sockets, &tmcf->updating);
nxt_queue_add(&router->sockets, &tmcf->creating);
- return NXT_OK;
+ nxt_router_conf_ready(task, tmcf);
+
+ return;
+
+fail:
+
+ nxt_router_conf_error(task, tmcf);
+
+ return;
}
@@ -476,12 +497,12 @@ nxt_router_conf_wait(nxt_task_t *task, void *obj, void *data)
job = obj;
- nxt_router_conf_success(task, job->tmcf);
+ nxt_router_conf_ready(task, job->tmcf);
}
static void
-nxt_router_conf_success(nxt_task_t *task, nxt_router_temp_conf_t *tmcf)
+nxt_router_conf_ready(nxt_task_t *task, nxt_router_temp_conf_t *tmcf)
{
nxt_debug(task, "temp conf count:%D", tmcf->count);
@@ -499,6 +520,8 @@ nxt_router_conf_error(nxt_task_t *task, nxt_router_temp_conf_t *tmcf)
nxt_queue_link_t *qlk;
nxt_socket_conf_t *skcf;
+ nxt_log(task, NXT_LOG_CRIT, "failed to apply new conf");
+
for (qlk = nxt_queue_first(&tmcf->creating);
qlk != nxt_queue_tail(&tmcf->creating);
qlk = nxt_queue_next(qlk))
@@ -789,6 +812,8 @@ nxt_router_conf_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
nxt_queue_insert_tail(&tmcf->pending, &skcf->link);
}
+ nxt_router_listen_sockets_sort(tmcf->conf->router, tmcf);
+
return NXT_OK;
app_fail:
@@ -906,55 +931,159 @@ nxt_router_listen_sockets_sort(nxt_router_t *router,
}
-static nxt_int_t
-nxt_router_listen_sockets_stub_create(nxt_task_t *task,
- nxt_router_temp_conf_t *tmcf)
+static void
+nxt_router_listen_socket_rpc_create(nxt_task_t *task,
+ nxt_router_temp_conf_t *tmcf, nxt_socket_conf_t *skcf)
+{
+ uint32_t stream;
+ nxt_buf_t *b;
+ nxt_port_t *main_port, *router_port;
+ nxt_runtime_t *rt;
+ nxt_socket_rpc_t *rpc;
+
+ rpc = nxt_mp_alloc(tmcf->mem_pool, sizeof(nxt_socket_rpc_t));
+ if (rpc == NULL) {
+ goto fail;
+ }
+
+ rpc->socket_conf = skcf;
+ rpc->temp_conf = tmcf;
+
+ b = nxt_buf_mem_alloc(tmcf->mem_pool, skcf->sockaddr->sockaddr_size, 0);
+ if (b == NULL) {
+ goto fail;
+ }
+
+ b->mem.free = nxt_cpymem(b->mem.free, skcf->sockaddr,
+ skcf->sockaddr->sockaddr_size);
+
+ rt = task->thread->runtime;
+ main_port = rt->port_by_type[NXT_PROCESS_MASTER];
+ router_port = rt->port_by_type[NXT_PROCESS_ROUTER];
+
+ stream = nxt_port_rpc_register_handler(task, router_port,
+ nxt_router_listen_socket_ready,
+ nxt_router_listen_socket_error,
+ main_port->pid, rpc);
+ if (stream == 0) {
+ goto fail;
+ }
+
+ nxt_port_socket_write(task, main_port, NXT_PORT_MSG_SOCKET, -1,
+ stream, router_port->id, b);
+
+ return;
+
+fail:
+
+ nxt_router_conf_error(task, tmcf);
+}
+
+
+static void
+nxt_router_listen_socket_ready(nxt_task_t *task, nxt_port_recv_msg_t *msg,
+ void *data)
{
nxt_int_t ret;
nxt_socket_t s;
- nxt_queue_link_t *qlk, *nqlk;
- nxt_socket_conf_t *skcf;
+ nxt_socket_rpc_t *rpc;
nxt_router_socket_t *rtsk;
- for (qlk = nxt_queue_first(&tmcf->pending);
- qlk != nxt_queue_tail(&tmcf->pending);
- qlk = nqlk)
- {
- skcf = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
+ rpc = data;
- s = nxt_listen_socket_create0(task, skcf->sockaddr, NXT_NONBLOCK);
- if (nxt_slow_path(s == -1)) {
- return NXT_ERROR;
- }
+ s = msg->fd;
- ret = nxt_listen_socket(task, s, NXT_LISTEN_BACKLOG);
- if (nxt_slow_path(ret != NXT_OK)) {
- goto fail;
- }
+ ret = nxt_socket_nonblocking(task, s);
+ if (nxt_slow_path(ret != NXT_OK)) {
+ goto fail;
+ }
- skcf->listen.socket = s;
+#ifdef TCP_DEFER_ACCEPT
- rtsk = nxt_malloc(sizeof(nxt_router_socket_t));
- if (nxt_slow_path(rtsk == NULL)) {
- goto fail;
- }
+ /* Defer Linux accept() up to for 1 second. */
+ (void) nxt_socket_setsockopt(task, s, IPPROTO_TCP, TCP_DEFER_ACCEPT, 1);
+
+#endif
- rtsk->count = 0;
- rtsk->fd = skcf->listen.socket;
- skcf->socket = rtsk;
+ ret = nxt_listen_socket(task, s, NXT_LISTEN_BACKLOG);
+ if (nxt_slow_path(ret != NXT_OK)) {
+ goto fail;
+ }
- nqlk = nxt_queue_next(qlk);
- nxt_queue_remove(qlk);
- nxt_queue_insert_tail(&tmcf->creating, qlk);
+ rtsk = nxt_malloc(sizeof(nxt_router_socket_t));
+ if (nxt_slow_path(rtsk == NULL)) {
+ goto fail;
}
- return NXT_OK;
+ rtsk->count = 0;
+ rtsk->fd = s;
+
+ rpc->socket_conf->listen.socket = s;
+ rpc->socket_conf->socket = rtsk;
+
+ nxt_work_queue_add(&task->thread->engine->fast_work_queue,
+ nxt_router_conf_apply, task, rpc->temp_conf, NULL);
+
+ return;
fail:
nxt_socket_close(task, s);
- return NXT_ERROR;
+ nxt_router_conf_error(task, rpc->temp_conf);
+}
+
+
+static void
+nxt_router_listen_socket_error(nxt_task_t *task, nxt_port_recv_msg_t *msg,
+ void *data)
+{
+ u_char *p;
+ size_t size;
+ uint8_t error;
+ nxt_buf_t *in, *out;
+ nxt_sockaddr_t *sa;
+ nxt_socket_rpc_t *rpc;
+ nxt_router_temp_conf_t *tmcf;
+
+ static nxt_str_t socket_errors[] = {
+ nxt_string("ListenerSystem"),
+ nxt_string("ListenerNoIPv6"),
+ nxt_string("ListenerPort"),
+ nxt_string("ListenerInUse"),
+ nxt_string("ListenerNoAddress"),
+ nxt_string("ListenerNoAccess"),
+ nxt_string("ListenerPath"),
+ };
+
+ rpc = data;
+ sa = rpc->socket_conf->sockaddr;
+
+ in = msg->buf;
+ p = in->mem.pos;
+
+ error = *p++;
+
+ size = sizeof("listen socket error: ") - 1
+ + sizeof("{listener: \"\", code:\"\", message: \"\"}") - 1
+ + sa->length + socket_errors[error].length + (in->mem.free - p);
+
+ tmcf = rpc->temp_conf;
+
+ out = nxt_buf_mem_alloc(tmcf->mem_pool, size, 0);
+ if (nxt_slow_path(out == NULL)) {
+ return;
+ }
+
+ out->mem.free = nxt_sprintf(out->mem.free, out->mem.end,
+ "listen socket error: "
+ "{listener: \"%*s\", code:\"%V\", message: \"%*s\"}",
+ sa->length, nxt_sockaddr_start(sa),
+ &socket_errors[error], in->mem.free - p, p);
+
+ nxt_debug(task, "%*s", out->mem.free - out->mem.pos, out->mem.pos);
+
+ nxt_router_conf_error(task, tmcf);
}