main-afb-daemon: manage listening interfaces
[src/app-framework-binder.git] / src / main-afb-daemon.c
index 4ef4b28..31bf4f7 100644 (file)
@@ -43,7 +43,7 @@
 #include "afb-apiset.h"
 #include "afb-autoset.h"
 #include "afb-api-so.h"
-#if defined(WITH_DBUS_TRANSPARENCY)
+#if WITH_DBUS_TRANSPARENCY
 #   include "afb-api-dbus.h"
 #endif
 #include "afb-api-ws.h"
@@ -60,7 +60,7 @@
 #include "afb-hook-flags.h"
 #endif
 #include "afb-debug.h"
-#if defined(WITH_SUPERVISION)
+#if WITH_SUPERVISION
 #   include "afb-supervision.h"
 #endif
 
@@ -298,7 +298,7 @@ static int init_alias(void *closure, const char *spec)
        *path++ = 0;
        INFO("Alias for url=%s to path=%s", spec, path);
        return afb_hsrv_add_alias(hsrv, spec, afb_common_rootdir_get_fd(), path,
-                                 0, 0);
+                                 0, 1);
 }
 
 static int init_http_server(struct afb_hsrv *hsrv)
@@ -340,14 +340,25 @@ static int init_http_server(struct afb_hsrv *hsrv)
        return 1;
 }
 
+static int add_interface(void *closure, const char *value)
+{
+       struct afb_hsrv *hsrv = closure;
+       int rc;
+
+       rc = afb_hsrv_add_interface(hsrv, value);
+       return rc > 0;
+}
+
 static struct afb_hsrv *start_http_server()
 {
        int rc;
-       const char *uploaddir, *rootdir;
+       const char *uploaddir, *rootdir, *errs;
        struct afb_hsrv *hsrv;
        int cache_timeout, http_port;
+       struct json_object *junk;
 
-       rc = wrap_json_unpack(main_config, "{ss ss si si}",
+       http_port = -1;
+       rc = wrap_json_unpack(main_config, "{ss ss si s?i}",
                                "uploaddir", &uploaddir,
                                "rootdir", &rootdir,
                                "cache-eol", &cache_timeout,
@@ -358,8 +369,13 @@ static struct afb_hsrv *start_http_server()
        }
 
        if (afb_hreq_init_download_path(uploaddir)) {
-               ERROR("unable to set the upload directory %s", uploaddir);
-               return NULL;
+               static const char fallback_uploaddir[] = "/tmp";
+               WARNING("unable to set the upload directory %s", uploaddir);
+               if (afb_hreq_init_download_path(fallback_uploaddir)) {
+                       ERROR("unable to fallback to upload directory %s", fallback_uploaddir);
+                       return NULL;
+               }
+               uploaddir = fallback_uploaddir;
        }
 
        hsrv = afb_hsrv_create();
@@ -375,9 +391,6 @@ static struct afb_hsrv *start_http_server()
                return NULL;
        }
 
-       NOTICE("Waiting port=%d rootdir=%s", http_port, rootdir);
-       NOTICE("Browser URL= http://localhost:%d", http_port);
-
        rc = afb_hsrv_start(hsrv, 15);
        if (!rc) {
                ERROR("starting of httpd failed");
@@ -385,9 +398,27 @@ static struct afb_hsrv *start_http_server()
                return NULL;
        }
 
-       rc = afb_hsrv_add_interface_tcp(hsrv, DEFAULT_BINDER_INTERFACE, (uint16_t) http_port);
-       if (!rc) {
-               ERROR("setting interface failed");
+       NOTICE("Serving rootdir=%s uploaddir=%s", rootdir, uploaddir);
+
+       /* check if port is set */
+       if (http_port < 0) {
+               /* not set, check existing interfaces */
+               if (!json_object_object_get_ex(main_config, "interface", &junk)) {
+                       ERROR("No port and no interface ");
+               }
+       } else {
+               rc = afb_hsrv_add_interface_tcp(hsrv, DEFAULT_BINDER_INTERFACE, (uint16_t) http_port);
+               if (!rc) {
+                       ERROR("setting interface failed");
+                       afb_hsrv_put(hsrv);
+                       return NULL;
+               }
+               NOTICE("Browser URL= http://localhost:%d", http_port);
+       }
+
+       errs = run_for_config_array_opt("interface", add_interface, hsrv);
+       if (errs) {
+               ERROR("setting interface %s failed", errs);
                afb_hsrv_put(hsrv);
                return NULL;
        }
@@ -399,6 +430,27 @@ static struct afb_hsrv *start_http_server()
  | execute_command
  +--------------------------------------------------------- */
 
+static void exit_at_end()
+{
+       exit(0);
+}
+
+static void wait_child(int signum, void* arg)
+{
+       pid_t pid = (pid_t)(intptr_t)arg;
+       pid_t pidchld = childpid;
+
+       if (pidchld == pid) {
+               childpid = 0;
+               if (!SELF_PGROUP)
+                       killpg(pidchld, SIGKILL);
+               waitpid(pidchld, NULL, 0);
+               jobs_exit(exit_at_end);
+       } else {
+               waitpid(pid, NULL, 0);
+       }
+}
+
 static void on_sigchld(int signum, siginfo_t *info, void *uctx)
 {
        if (info->si_pid == childpid) {
@@ -406,11 +458,9 @@ static void on_sigchld(int signum, siginfo_t *info, void *uctx)
                case CLD_EXITED:
                case CLD_KILLED:
                case CLD_DUMPED:
-                       childpid = 0;
-                       if (!SELF_PGROUP)
-                               killpg(info->si_pid, SIGKILL);
-                       waitpid(info->si_pid, NULL, 0);
-                       exit(0);
+                       jobs_queue_lazy(0, 0, wait_child, (void*)(intptr_t)info->si_pid);
+               default:
+                       break;
                }
        }
 }
@@ -521,7 +571,7 @@ static char **instanciate_command_args(struct json_object *exec, const char *por
 
 static int execute_command()
 {
-       struct json_object *exec, *oport;
+       struct json_object *exec, *oport, *otok;
        struct sigaction siga;
        char port[20];
        const char *token;
@@ -556,7 +606,10 @@ static int execute_command()
        }
        else {
                /* instantiate arguments and environment */
-               token = afb_session_initial_token();
+               if (json_object_object_get_ex(main_config, "token", &otok))
+                       token = json_object_get_string(otok);
+               else
+                       token = SUBST_STR"p";
                args = instanciate_command_args(exec, port, token);
                if (args && instanciate_environ(port, token) >= 0) {
                        /* run */
@@ -636,8 +689,7 @@ static void startup_call_current(struct startup_req *sreq)
                json = strchr(verb, ':');
                if (json) {
                        afb_xreq_init(&sreq->xreq, &startup_xreq_itf);
-                       afb_context_init(&sreq->xreq.context, sreq->session, NULL);
-                       sreq->xreq.context.validated = 1;
+                       afb_context_init_validated(&sreq->xreq.context, sreq->session, NULL, NULL);
                        sreq->api = strndup(api, verb - api);
                        sreq->verb = strndup(verb + 1, json - verb - 1);
                        sreq->xreq.request.called_api = sreq->api;
@@ -747,7 +799,7 @@ static void start(int signum, void *arg)
        }
 
        /* initialize session handling */
-       if (afb_session_init(max_session_count, session_timeout, token)) {
+       if (afb_session_init(max_session_count, session_timeout)) {
                ERROR("initialisation of session manager failed");
                goto error;
        }
@@ -779,7 +831,7 @@ static void start(int signum, void *arg)
                        goto error;
                }
                if (addenv_int("AFB_PORT", http_port)
-                || addenv("AFB_TOKEN", afb_session_initial_token())) {
+                || addenv("AFB_TOKEN", token?:"")) {
                        ERROR("can't set HTTP environment");
                        goto error;
                }
@@ -796,7 +848,7 @@ static void start(int signum, void *arg)
                ERROR("failed to setup monitor");
                goto error;
        }
-#if defined(WITH_SUPERVISION)
+#if WITH_SUPERVISION
        if (afb_supervision_init(main_apiset, main_config) < 0) {
                ERROR("failed to setup supervision");
                goto error;
@@ -826,11 +878,13 @@ static void start(int signum, void *arg)
 
        /* load bindings and apis */
        afb_debug("start-load");
+#if WITH_DYNAMIC_BINDING
        apiset_start_list("binding", afb_api_so_add_binding, "the binding");
        apiset_start_list("ldpaths", afb_api_so_add_pathset_fails, "the binding path set");
        apiset_start_list("weak-ldpaths", afb_api_so_add_pathset_nofails, "the weak binding path set");
+#endif
        apiset_start_list("auto-api", afb_autoset_add_any, "the automatic api path set");
-#if defined(WITH_DBUS_TRANSPARENCY)
+#if WITH_DBUS_TRANSPARENCY
        apiset_start_list("dbus-client", afb_api_dbus_add_client, "the afb-dbus client");
 #endif
        apiset_start_list("ws-client", afb_api_ws_add_client_weak, "the afb-websocket client");
@@ -847,7 +901,7 @@ static void start(int signum, void *arg)
 
        /* export started apis */
        apiset_start_list("ws-server", afb_api_ws_add_server, "the afb-websocket service");
-#if defined(WITH_DBUS_TRANSPARENCY)
+#if WITH_DBUS_TRANSPARENCY
        apiset_start_list("dbus-server", afb_api_dbus_add_server, "the afb-dbus service");
 #endif
 
@@ -870,7 +924,7 @@ static void start(int signum, void *arg)
 
        /* run the command */
        afb_debug("start-exec");
-       if (execute_command() < 0)
+       if (execute_command(http_port, token) < 0)
                goto error;
 
        /* ready */
@@ -924,7 +978,7 @@ int main(int argc, char *argv[])
        afb_debug("main-start");
 
        /* enter job processing */
-       jobs_start(3, 0, 50, start, NULL);
+       jobs_start(3, 0, 100, start, NULL);
        WARNING("hoops returned from jobs_enter! [report bug]");
        return 1;
 }