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/*
* Copyright (C) 2015-2020 "IoT.bzh"
* Author José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _GNU_SOURCE
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <systemd/sd-daemon.h>
#include "afb-common.h"
#include "afb-hsrv.h"
#include "afb-hswitch.h"
#include "afb-hreq.h"
#include "afb-apiset.h"
#include "afb-api-ws.h"
#include "afb-session.h"
#include "afs-supervisor.h"
#include "afs-args.h"
#include "verbose.h"
#include "jobs.h"
#include "process-name.h"
#include "watchdog.h"
#if !defined(DEFAULT_SUPERVISOR_INTERFACE)
# define DEFAULT_SUPERVISOR_INTERFACE NULL
#endif
/* the main config */
struct afs_args *main_config;
/* the main apiset */
struct afb_apiset *main_apiset;
/*************************************************************************************/
static int init_http_server(struct afb_hsrv *hsrv)
{
if (!afb_hsrv_add_handler
(hsrv, main_config->rootapi, afb_hswitch_websocket_switch, main_apiset, 20))
return 0;
if (!afb_hsrv_add_handler
(hsrv, main_config->rootapi, afb_hswitch_apis, main_apiset, 10))
return 0;
if (main_config->roothttp != NULL) {
if (!afb_hsrv_add_alias
(hsrv, "", afb_common_rootdir_get_fd(), main_config->roothttp,
-10, 1))
return 0;
}
if (!afb_hsrv_add_handler
(hsrv, main_config->rootbase, afb_hswitch_one_page_api_redirect, NULL,
-20))
return 0;
return 1;
}
static struct afb_hsrv *start_http_server()
{
int rc;
struct afb_hsrv *hsrv;
if (afb_hreq_init_download_path(main_config->uploaddir)) {
ERROR("unable to set the upload directory %s", main_config->uploaddir);
return NULL;
}
hsrv = afb_hsrv_create();
if (hsrv == NULL) {
ERROR("memory allocation failure");
return NULL;
}
if (!afb_hsrv_set_cache_timeout(hsrv, main_config->cacheTimeout)
|| !init_http_server(hsrv)) {
ERROR("initialisation of httpd failed");
afb_hsrv_put(hsrv);
return NULL;
}
NOTICE("Waiting port=%d rootdir=%s", main_config->httpdPort, main_config->rootdir);
NOTICE("Browser URL= http://localhost:%d", main_config->httpdPort);
rc = afb_hsrv_start(hsrv, 15);
if (!rc) {
ERROR("starting of httpd failed");
afb_hsrv_put(hsrv);
return NULL;
}
rc = afb_hsrv_add_interface_tcp(hsrv, DEFAULT_SUPERVISOR_INTERFACE, (uint16_t) main_config->httpdPort);
if (!rc) {
ERROR("setting interface failed");
afb_hsrv_put(hsrv);
return NULL;
}
return hsrv;
}
static void start(int signum, void *arg)
{
struct afb_hsrv *hsrv;
int rc;
/* check illness */
if (signum) {
ERROR("start aborted: received signal %s", strsignal(signum));
exit(1);
}
/* set the directories */
mkdir(main_config->workdir, S_IRWXU | S_IRGRP | S_IXGRP);
if (chdir(main_config->workdir) < 0) {
ERROR("Can't enter working dir %s", main_config->workdir);
goto error;
}
if (afb_common_rootdir_set(main_config->rootdir) < 0) {
ERROR("failed to set common root directory");
goto error;
}
/* configure the daemon */
if (afb_session_init(main_config->nbSessionMax, main_config->cntxTimeout)) {
ERROR("initialisation of session manager failed");
goto error;
}
main_apiset = afb_apiset_create("main", main_config->apiTimeout);
if (!main_apiset) {
ERROR("can't create main apiset");
goto error;
}
/* init the main apiset */
rc = afs_supervisor_add(main_apiset, main_apiset);
if (rc < 0) {
ERROR("Can't create supervision's apiset: %m");
goto error;
}
/* export the service if required */
if (main_config->ws_server) {
rc = afb_api_ws_add_server(main_config->ws_server, main_apiset, main_apiset);
if (rc < 0) {
ERROR("Can't export (ws-server) api %s: %m", main_config->ws_server);
goto error;
}
}
/* start the services */
if (afb_apiset_start_all_services(main_apiset) < 0)
goto error;
/* start the HTTP server */
if (main_config->httpdPort <= 0) {
ERROR("no port is defined");
goto error;
}
if (!afb_hreq_init_cookie(main_config->httpdPort, main_config->rootapi, main_config->cntxTimeout)) {
ERROR("initialisation of HTTP cookies failed");
goto error;
}
hsrv = start_http_server();
if (hsrv == NULL)
goto error;
/* ready */
sd_notify(1, "READY=1");
/* activate the watchdog */
#if HAS_WATCHDOG
if (watchdog_activate() < 0)
ERROR("can't start the watchdog");
#endif
/* discover binders */
afs_supervisor_discover();
return;
error:
exit(1);
}
/**
* initialize the supervision
*/
int main(int ac, char **av)
{
/* scan arguments */
main_config = afs_args_parse(ac, av);
if (main_config->name) {
verbose_set_name(main_config->name, 0);
process_name_set_name(main_config->name);
process_name_replace_cmdline(av, main_config->name);
}
/* enter job processing */
jobs_start(3, 0, 10, start, av[1]);
WARNING("hoops returned from jobs_enter! [report bug]");
return 1;
}
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