Provide API and VERB name of requests
[src/app-framework-binder.git] / src / main.c
index 4dc6cb8..b5b0023 100644 (file)
  */
 
 #define _GNU_SOURCE
-#define NO_BINDING_VERBOSE_MACRO
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
+#include <signal.h>
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
 
+#if !defined(NO_CALL_PERSONALITY)
+#include <sys/personality.h>
+#endif
+
 #include <json-c/json.h>
 
-#include <systemd/sd-event.h>
 #include <systemd/sd-daemon.h>
 
-#include <afb/afb-binding.h>
-
 #include "afb-config.h"
 #include "afb-hswitch.h"
-#include "afb-apis.h"
+#include "afb-apiset.h"
 #include "afb-api-so.h"
 #include "afb-api-dbus.h"
 #include "afb-api-ws.h"
 #include "afb-hsrv.h"
-#include "afb-context.h"
 #include "afb-hreq.h"
 #include "afb-xreq.h"
 #include "jobs.h"
 #include "afb-session.h"
 #include "verbose.h"
 #include "afb-common.h"
+#include "afb-monitor.h"
 #include "afb-hook.h"
 #include "sd-fds.h"
+#include "afb-debug.h"
+#include "process-name.h"
 
 /*
    if SELF_PGROUP == 0 the launched command is the group leader
@@ -57,6 +61,8 @@
 */
 #define SELF_PGROUP 1
 
+struct afb_apiset *main_apiset;
+
 static struct afb_config *config;
 static pid_t childpid;
 
@@ -82,12 +88,12 @@ static struct afb_config_list *run_for_list(struct afb_config_list *list,
 
 static int run_start(void *closure, char *value)
 {
-       int (*starter) (const char *value) = closure;
-       return starter(value) >= 0;
+       int (*starter) (const char *value, struct afb_apiset *apiset) = closure;
+       return starter(value, main_apiset) >= 0;
 }
 
-static void start_list(struct afb_config_list *list,
-                      int (*starter) (const char *value), const char *message)
+static void apiset_start_list(struct afb_config_list *list,
+                      int (*starter) (const char *value, struct afb_apiset *apiset), const char *message)
 {
        list = run_for_list(list, run_start, starter);
        if (list) {
@@ -214,11 +220,11 @@ static int init_alias(void *closure, char *spec)
 static int init_http_server(struct afb_hsrv *hsrv)
 {
        if (!afb_hsrv_add_handler
-           (hsrv, config->rootapi, afb_hswitch_websocket_switch, NULL, 20))
+           (hsrv, config->rootapi, afb_hswitch_websocket_switch, main_apiset, 20))
                return 0;
 
        if (!afb_hsrv_add_handler
-           (hsrv, config->rootapi, afb_hswitch_apis, NULL, 10))
+           (hsrv, config->rootapi, afb_hswitch_apis, main_apiset, 10))
                return 0;
 
        if (run_for_list(config->aliases, init_alias, hsrv))
@@ -277,7 +283,6 @@ static struct afb_hsrv *start_http_server()
 
 /*---------------------------------------------------------
  | execute_command
- |   
  +--------------------------------------------------------- */
 
 static void on_sigchld(int signum, siginfo_t *info, void *uctx)
@@ -345,7 +350,7 @@ static char *instanciate_string(char *arg, const char *port, const char *token)
                switch(*++it) {
                case 'p': wr = stpcpy(wr, port); break;
                case 't': wr = stpcpy(wr, token); break;
-               default: *wr++ = SUBST_CHAR;
+               default: *wr++ = SUBST_CHAR; /*@fallthrough@*/
                case SUBST_CHAR: *wr++ = *it;
                }
                arg = ++it;
@@ -390,6 +395,7 @@ static int execute_command()
 {
        struct sigaction siga;
        char port[20];
+       const char *token;
        int rc;
 
        /* check whether a command is to execute or not */
@@ -420,8 +426,9 @@ static int execute_command()
        }
        else {
                /* instanciate arguments and environment */
-               if (instanciate_command_args(port, config->token) >= 0
-                && instanciate_environ(port, config->token) >= 0) {
+               token = afb_session_initial_token();
+               if (instanciate_command_args(port, token) >= 0
+                && instanciate_environ(port, token) >= 0) {
                        /* run */
                        if (!SELF_PGROUP)
                                setpgid(0, 0);
@@ -446,11 +453,11 @@ struct startup_req
        struct afb_session *session;
 };
 
-static void startup_call_reply(struct afb_xreq *xreq, int iserror, struct json_object *obj)
+static void startup_call_reply(struct afb_xreq *xreq, int status, struct json_object *obj)
 {
        struct startup_req *sreq = CONTAINER_OF_XREQ(struct startup_req, xreq);
 
-       if (!iserror)
+       if (status >= 0)
                NOTICE("startup call %s returned %s", sreq->current->value, json_object_get_string(obj));
        else {
                ERROR("startup call %s ERROR! %s", sreq->current->value, json_object_get_string(obj));
@@ -492,18 +499,16 @@ static void startup_call_current(struct startup_req *sreq)
        if (verb) {
                json = strchr(verb, ':');
                if (json) {
-                       memset(&sreq->xreq, 0, sizeof sreq->xreq);
                        afb_xreq_init(&sreq->xreq, &startup_xreq_itf);
                        afb_context_init(&sreq->xreq.context, sreq->session, NULL);
                        sreq->xreq.context.validated = 1;
                        sreq->api = strndup(api, verb - api);
                        sreq->verb = strndup(verb + 1, json - verb - 1);
-                       sreq->xreq.api = sreq->api;
-                       sreq->xreq.verb = sreq->verb;
+                       sreq->xreq.request.api = sreq->api;
+                       sreq->xreq.request.verb = sreq->verb;
                        sreq->xreq.json = json_tokener_parse(json + 1);
                        if (sreq->api && sreq->verb && sreq->xreq.json) {
-                               afb_apis_call(&sreq->xreq);
-                               afb_xreq_unref(&sreq->xreq);
+                               afb_xreq_process(&sreq->xreq, main_apiset);
                                return;
                        }
                }
@@ -530,10 +535,17 @@ static void run_startup_calls()
  | job for starting the daemon
  +--------------------------------------------------------- */
 
-static void start()
+static void start(int signum)
 {
        struct afb_hsrv *hsrv;
 
+       afb_debug("start-entry");
+
+       if (signum) {
+               ERROR("start aborted: received signal %s", strsignal(signum));
+               exit(1);
+       }
+
        // ------------------ sanity check ----------------------------------------
        if (config->httpdPort <= 0) {
                ERROR("no port is defined");
@@ -552,50 +564,71 @@ static void start()
        }
 
        /* configure the daemon */
-       afb_apis_set_timeout(config->apiTimeout);
        afb_session_init(config->nbSessionMax, config->cntxTimeout, config->token);
        if (!afb_hreq_init_cookie(config->httpdPort, config->rootapi, config->cntxTimeout)) {
                ERROR("initialisation of cookies failed");
                goto error;
        }
+       main_apiset = afb_apiset_create("main", config->apiTimeout);
+       if (!main_apiset) {
+               ERROR("can't create main api set");
+               goto error;
+       }
+       if (afb_monitor_init() < 0) {
+               ERROR("failed to setup monitor");
+               goto error;
+       }
 
        /* install hooks */
        if (config->tracereq)
                afb_hook_create_xreq(NULL, NULL, NULL, config->tracereq, NULL, NULL);
        if (config->traceditf)
                afb_hook_create_ditf(NULL, config->traceditf, NULL, NULL);
+       if (config->tracesvc)
+               afb_hook_create_svc(NULL, config->tracesvc, NULL, NULL);
+       if (config->traceevt)
+               afb_hook_create_evt(NULL, config->traceevt, NULL, NULL);
 
        /* load bindings */
-       start_list(config->dbus_clients, afb_api_dbus_add_client, "the afb-dbus client");
-       start_list(config->ws_clients, afb_api_ws_add_client, "the afb-websocket client");
-       start_list(config->ldpaths, afb_api_so_add_pathset, "the binding path set");
-       start_list(config->so_bindings, afb_api_so_add_binding, "the binding");
+       afb_debug("start-load");
+       apiset_start_list(config->so_bindings, afb_api_so_add_binding, "the binding");
+       apiset_start_list(config->dbus_clients, afb_api_dbus_add_client, "the afb-dbus client");
+       apiset_start_list(config->ws_clients, afb_api_ws_add_client, "the afb-websocket client");
+       apiset_start_list(config->ldpaths, afb_api_so_add_pathset_fails, "the binding path set");
+       apiset_start_list(config->weak_ldpaths, afb_api_so_add_pathset_nofails, "the weak binding path set");
 
-       start_list(config->dbus_servers, afb_api_dbus_add_server, "the afb-dbus service");
-       start_list(config->ws_servers, afb_api_ws_add_server, "the afb-websocket service");
+       apiset_start_list(config->dbus_servers, afb_api_dbus_add_server, "the afb-dbus service");
+       apiset_start_list(config->ws_servers, afb_api_ws_add_server, "the afb-websocket service");
 
        DEBUG("Init config done");
 
        /* start the services */
-       if (afb_apis_start_all_services(1) < 0)
+       afb_debug("start-start");
+#if !defined(NO_CALL_PERSONALITY)
+       personality((unsigned long)-1L);
+#endif
+       if (afb_apiset_start_all_services(main_apiset, 1) < 0)
                goto error;
 
        /* start the HTTP server */
+       afb_debug("start-http");
        if (!config->noHttpd) {
                hsrv = start_http_server();
                if (hsrv == NULL)
                        goto error;
        }
 
+       /* run the startup calls */
+       afb_debug("start-call");
+       run_startup_calls();
+
        /* run the command */
+       afb_debug("start-exec");
        if (execute_command() < 0)
                goto error;
 
        /* ready */
        sd_notify(1, "READY=1");
-
-       /* run the startup calls */
-       run_startup_calls();
        return;
 error:
        exit(1);
@@ -608,6 +641,8 @@ error:
 
 int main(int argc, char *argv[])
 {
+       afb_debug("main-entry");
+
        // let's run this program with a low priority
        nice(20);
 
@@ -615,7 +650,12 @@ int main(int argc, char *argv[])
 
        // ------------- Build session handler & init config -------
        config = afb_config_parse_arguments(argc, argv);
-       INFO("running with pid %d", getpid());
+       if (config->name) {
+               verbose_set_name(config->name, 0);
+               process_name_set_name(config->name);
+               process_name_replace_cmdline(argv, config->name);
+       }
+       afb_debug("main-args");
 
        // --------- run -----------
        if (config->background) {
@@ -626,10 +666,13 @@ int main(int argc, char *argv[])
                // ---- in foreground mode --------------------
                INFO("entering foreground mode");
        }
+       INFO("running with pid %d", getpid());
 
        /* set the daemon environment */
        setup_daemon();
 
+       afb_debug("main-start");
+
        /* enter job processing */
        jobs_start(3, 0, 50, start);
        WARNING("hoops returned from jobs_enter! [report bug]");