/*
* Copyright (C) 2015 "IoT.bzh"
* Author "Fulup Ar Foll"
+ * Author José Bollo <jose.bollo@iot.bzh>
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * 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.
*/
-/*
- * File: main.c
- * Author: "Fulup Ar Foll"
- *
- * Created on 05 December 2015, 15:38
- */
-
-#include "local-def.h"
-
-#include <syslog.h>
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
#include <setjmp.h>
#include <signal.h>
-#include <getopt.h>
-#include <pwd.h>
+#include <syslog.h>
+#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
-#define AFB_VERSION "0.1"
-
-static sigjmp_buf exitPoint; // context save for set/longjmp
+#include "afb-plugin.h"
-/*----------------------------------------------------------
- | printversion
- | print version and copyright
- +--------------------------------------------------------- */
- static void printVersion (void) {
+#include "local-def.h"
+#include "afb-hswitch.h"
+#include "afb-api-so.h"
+#include "afb-hsrv.h"
+#include "session.h"
+#include "verbose.h"
+#include "utils-upoll.h"
- fprintf (stderr,"\n----------------------------------------- \n");
- fprintf (stderr,"| AFB [Application Framework Binder] version=%s |\n", AFB_VERSION);
- fprintf (stderr,"----------------------------------------- \n");
- fprintf (stderr,"| Copyright(C) 2016 /IoT.bzh [fulup -at- iot.bzh]\n");
- fprintf (stderr,"| AFB comes with ABSOLUTELY NO WARRANTY.\n");
- fprintf (stderr,"| Licence [what ever makes you happy] until you fix bugs by yourself :)\n\n");
- exit (0);
- } // end printVersion
+#if !defined(PLUGIN_INSTALL_DIR)
+#error "you should define PLUGIN_INSTALL_DIR"
+#endif
+#define AFB_VERSION "0.1"
// Define command line option
#define SET_VERBOSE 1
#define SET_BACKGROUND 2
#define SET_FORGROUND 3
-#define SET_FAKE_MOD 4
#define SET_TCP_PORT 5
#define SET_ROOT_DIR 6
#define SET_ROOT_BASE 7
#define SET_ROOT_API 8
-#define SET_ROOT_ALIAS 9
+#define SET_ALIAS 9
#define SET_CACHE_TIMEOUT 10
#define SET_SESSION_DIR 11
#define SET_MODE 18
#define SET_READYFD 19
+static struct afb_hsrv *start(AFB_config * config);
+
// Command line structure hold cli --command + help text
typedef struct {
int val; // command number within application
{SET_ROOT_DIR ,1,"rootdir" , "HTTP Root Directory [default $HOME/.AFB]"},
{SET_ROOT_BASE ,1,"rootbase" , "Angular Base Root URL [default /opa]"},
{SET_ROOT_API ,1,"rootapi" , "HTML Root API URL [default /api]"},
- {SET_ROOT_ALIAS ,1,"alias" , "Muliple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"},
+ {SET_ALIAS ,1,"alias" , "Muliple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"},
{SET_APITIMEOUT ,1,"apitimeout" , "Plugin API timeout in seconds [default 10]"},
{SET_CNTXTIMEOUT ,1,"cntxtimeout" , "Client Session Context Timeout [default 900]"},
- {SET_CACHE_TIMEOUT ,1,"cache-eol" , "Client cache end of live [default 3600s]"},
+ {SET_CACHE_TIMEOUT,1,"cache-eol" , "Client cache end of live [default 3600s]"},
{SET_SESSION_DIR ,1,"sessiondir" , "Sessions file path [default rootdir/sessions]"},
};
static AFB_aliasdir aliasdir[MAX_ALIAS];
-static int aliascount=0;
+static int aliascount = 0;
+
+
+/*----------------------------------------------------------
+ | printversion
+ | print version and copyright
+ +--------------------------------------------------------- */
+static void printVersion (void)
+{
+ fprintf (stderr,"\n----------------------------------------- \n");
+ fprintf (stderr,"| AFB [Application Framework Binder] version=%s |\n", AFB_VERSION);
+ fprintf (stderr,"----------------------------------------- \n");
+ fprintf (stderr,"| Copyright(C) 2016 /IoT.bzh [fulup -at- iot.bzh]\n");
+ fprintf (stderr,"| AFB comes with ABSOLUTELY NO WARRANTY.\n");
+ fprintf (stderr,"| Licence Apache 2\n\n");
+ exit (0);
+}
// load config from disk and merge with CLI option
-static AFB_error config_set_default (AFB_session * session)
+static void config_set_default (AFB_config * config)
{
- static char cacheTimeout [10];
-
// default HTTP port
- if (session->config->httpdPort == 0) session->config->httpdPort=1234;
+ if (config->httpdPort == 0)
+ config->httpdPort = 1234;
// default Plugin API timeout
- if (session->config->apiTimeout == 0) session->config->apiTimeout=DEFLT_API_TIMEOUT;
+ if (config->apiTimeout == 0)
+ config->apiTimeout = DEFLT_API_TIMEOUT;
// default AUTH_TOKEN
- if (session->config->token == NULL) session->config->token= DEFLT_AUTH_TOKEN;
+ if (config->token == NULL)
+ config->token = DEFLT_AUTH_TOKEN;
// cache timeout default one hour
- if (session->config->cacheTimeout == 0) session->config->cacheTimeout=DEFLT_CACHE_TIMEOUT;
+ if (config->cacheTimeout == 0)
+ config->cacheTimeout = DEFLT_CACHE_TIMEOUT;
// cache timeout default one hour
- if (session->config->cntxTimeout == 0) session->config->cntxTimeout=DEFLT_CNTX_TIMEOUT;
-
- if (session->config->rootdir == NULL) {
- session->config->rootdir = getenv("AFBDIR");
- if (session->config->rootdir == NULL) {
- session->config->rootdir = malloc (512);
- strncpy (session->config->rootdir, getenv("HOME"),512);
- strncat (session->config->rootdir, "/.AFB",512);
+ if (config->cntxTimeout == 0)
+ config->cntxTimeout = DEFLT_CNTX_TIMEOUT;
+
+ if (config->rootdir == NULL) {
+ config->rootdir = getenv("AFBDIR");
+ if (config->rootdir == NULL) {
+ config->rootdir = malloc (512);
+ strncpy (config->rootdir, getenv("HOME"),512);
+ strncat (config->rootdir, "/.AFB",512);
}
// if directory does not exist createit
- mkdir (session->config->rootdir, O_RDWR | S_IRWXU | S_IRGRP);
+ mkdir (config->rootdir, O_RDWR | S_IRWXU | S_IRGRP);
}
// if no Angular/HTML5 rootbase let's try '/' as default
- if (session->config->rootbase == NULL) {
- session->config->rootbase = "/opa";
- }
+ if (config->rootbase == NULL)
+ config->rootbase = "/opa";
- if (session->config->rootapi == NULL) {
- session->config->rootapi = "/api";
- }
+ if (config->rootapi == NULL)
+ config->rootapi = "/api";
- if (session->config->ldpaths == NULL) {
- session->config->ldpaths = PLUGIN_INSTALL_DIR;
- }
+ if (config->ldpaths == NULL)
+ config->ldpaths = PLUGIN_INSTALL_DIR;
// if no session dir create a default path from rootdir
- if (session->config->sessiondir == NULL) {
- session->config->sessiondir = malloc (512);
- strncpy (session->config->sessiondir, session->config->rootdir, 512);
- strncat (session->config->sessiondir, "/sessions",512);
+ if (config->sessiondir == NULL) {
+ config->sessiondir = malloc (512);
+ strncpy (config->sessiondir, config->rootdir, 512);
+ strncat (config->sessiondir, "/sessions",512);
}
// if no config dir create a default path from sessiondir
- if (session->config->console == NULL) {
- session->config->console = malloc (512);
- strncpy (session->config->console, session->config->sessiondir, 512);
- strncat (session->config->console, "/AFB-console.out",512);
+ if (config->console == NULL) {
+ config->console = malloc (512);
+ strncpy (config->console, config->sessiondir, 512);
+ strncat (config->console, "/AFB-console.out",512);
}
-
- // cacheTimeout is an integer but HTTPd wants it as a string
- snprintf (cacheTimeout, sizeof (cacheTimeout),"%d", session->config->cacheTimeout);
- session->cacheTimeout = cacheTimeout; // httpd uses cacheTimeout string version
-
- return AFB_SUCCESS;
-}
-
-
-
-/*----------------------------------------------------------
- | timeout signalQuit
- |
- +--------------------------------------------------------- */
-void signalQuit (int signum) {
-
- sigset_t sigset;
-
- // unlock timeout signal to allow a new signal to come
- sigemptyset (&sigset);
- sigaddset (&sigset, SIGABRT);
- sigprocmask (SIG_UNBLOCK, &sigset, 0);
-
- fprintf (stderr, "%s ERR:Received signal quit\n",configTime());
- syslog (LOG_ERR, "Daemon got kill3 & quit [please report bug]");
- longjmp (exitPoint, signum);
}
fprintf (stderr,"Example:\n %s\\\n --verbose --port=1234 --token='azerty' --ldpaths=build/plugins:/usr/lib64/agl/plugins\n", name);
} // end printHelp
-/*----------------------------------------------------------
- | closeSession
- | try to close everything before leaving
- +--------------------------------------------------------- */
-static void closeSession (AFB_session *session) {
-
-
-}
-
-/*----------------------------------------------------------
- | listenLoop
- | Main listening HTTP loop
- +--------------------------------------------------------- */
-static void listenLoop (AFB_session *session) {
- AFB_error err;
-
- if (signal (SIGABRT, signalQuit) == SIG_ERR) {
- fprintf (stderr, "%s ERR: main fail to install Signal handler\n", configTime());
- return;
- }
-
- // ------ Start httpd server
- if (session->config->httpdPort > 0) {
-
- err = httpdStart (session);
- if (err != AFB_SUCCESS) return;
-
- if (session->readyfd != 0) {
- static const char readystr[] = "READY=1";
- write(session->readyfd, readystr, sizeof(readystr) - 1);
- close(session->readyfd);
- }
-
- // infinite loop
- httpdLoop(session);
-
- fprintf (stderr, "hoops returned from infinite loop [report bug]\n");
- }
-}
-
/*---------------------------------------------------------
| main
| Parse option and launch action
switch (optc)
{
case SET_VERBOSE:
- verbose = 1;
+ verbosity++;
break;
case SET_TCP_PORT:
case SET_ROOT_DIR:
if (optarg == 0) goto needValueForOption;
session->config->rootdir = optarg;
- if (verbose) fprintf(stderr, "Forcing Rootdir=%s\n",session->config->rootdir);
+ if (verbosity) fprintf(stderr, "Forcing Rootdir=%s\n",session->config->rootdir);
break;
case SET_ROOT_BASE:
if (optarg == 0) goto needValueForOption;
session->config->rootbase = optarg;
- if (verbose) fprintf(stderr, "Forcing Rootbase=%s\n",session->config->rootbase);
+ if (verbosity) fprintf(stderr, "Forcing Rootbase=%s\n",session->config->rootbase);
break;
case SET_ROOT_API:
if (optarg == 0) goto needValueForOption;
session->config->rootapi = optarg;
- if (verbose) fprintf(stderr, "Forcing Rootapi=%s\n",session->config->rootapi);
+ if (verbosity) fprintf(stderr, "Forcing Rootapi=%s\n",session->config->rootapi);
break;
- case SET_ROOT_ALIAS:
+ case SET_ALIAS:
if (optarg == 0) goto needValueForOption;
if (aliascount < MAX_ALIAS) {
aliasdir[aliascount].url = strsep(&optarg,":");
} else {
aliasdir[aliascount].path = optarg;
aliasdir[aliascount].len = strlen(aliasdir[aliascount].url);
- if (verbose) fprintf(stderr, "Alias url=%s path=%s\n", aliasdir[aliascount].url, aliasdir[aliascount].path);
+ if (verbosity) fprintf(stderr, "Alias url=%s path=%s\n", aliasdir[aliascount].url, aliasdir[aliascount].path);
aliascount++;
}
} else {
if (!sscanf (optarg, "%d", &session->config->cacheTimeout)) goto notAnInteger;
break;
- case SET_FAKE_MOD:
- if (optarg != 0) goto noValueForOption;
- session->fakemod = 1;
- break;
-
case SET_FORGROUND:
if (optarg != 0) goto noValueForOption;
- session->foreground = 1;
+ session->background = 0;
break;
case SET_BACKGROUND:
}
free(gnuOptions);
- // if exist merge config file with CLI arguments
- config_set_default (session);
+ config_set_default (session->config);
return;
exit (1);
}
+/*----------------------------------------------------------
+ | closeSession
+ | try to close everything before leaving
+ +--------------------------------------------------------- */
+static void closeSession (int status, void *data) {
+ /* AFB_session *session = data; */
+}
+
+/*----------------------------------------------------------
+ | timeout signalQuit
+ +--------------------------------------------------------- */
+void signalQuit (int signum)
+{
+ fprintf(stderr, "Terminating signal received %s\n", strsignal(signum));
+ exit(1);
+}
+
+
+/*----------------------------------------------------------
+ | Error signals
+ |
+ +--------------------------------------------------------- */
+__thread sigjmp_buf *error_handler;
+static void signalError(int signum)
+{
+ sigset_t sigset;
+
+ // unlock signal to allow a new signal to come
+ if (error_handler != NULL) {
+ sigemptyset(&sigset);
+ sigaddset(&sigset, signum);
+ sigprocmask(SIG_UNBLOCK, &sigset, 0);
+ longjmp(*error_handler, signum);
+ }
+ if (signum == SIGALRM)
+ return;
+ fprintf(stderr, "Unmonitored signal received %s\n", strsignal(signum));
+ exit(2);
+}
+
+static void install_error_handlers()
+{
+ int i, signals[] = { SIGALRM, SIGSEGV, SIGFPE, 0 };
+
+ for (i = 0; signals[i] != 0; i++) {
+ if (signal(signals[i], signalError) == SIG_ERR) {
+ fprintf(stderr, "Signal handler error\n");
+ exit(1);
+ }
+ }
+}
+
+/*----------------------------------------------------------
+ | daemonize
+ | set the process in background
+ +--------------------------------------------------------- */
+static void daemonize(AFB_session *session)
+{
+ int consoleFD;
+ int pid;
+
+ // open /dev/console to redirect output messAFBes
+ consoleFD = open(session->config->console, O_WRONLY | O_APPEND | O_CREAT , 0640);
+ if (consoleFD < 0) {
+ fprintf (stderr,"\nERR: AFB-daemon cannot open /dev/console (use --foreground)\n\n");
+ exit (1);
+ }
+
+ // fork process when running background mode
+ pid = fork ();
+
+ // if fail nothing much to do
+ if (pid == -1) {
+ fprintf (stderr,"\nERR: AFB-daemon Failed to fork son process\n\n");
+ exit (1);
+ }
+
+ // if in father process, just leave
+ if (pid != 0) _exit (0);
+
+ // son process get all data in standalone mode
+ printf ("\nAFB: background mode [pid:%d console:%s]\n", getpid(),session->config->console);
+
+ // redirect default I/O on console
+ close (2); dup(consoleFD); // redirect stderr
+ close (1); dup(consoleFD); // redirect stdout
+ close (0); // no need for stdin
+ close (consoleFD);
+
+#if 0
+ setsid(); // allow father process to fully exit
+ sleep (2); // allow main to leave and release port
+#endif
+
+ fprintf (stderr, "----------------------------\n");
+ fprintf (stderr, "INF: main background pid=%d\n", getpid());
+ fflush (stderr);
+}
+
/*---------------------------------------------------------
| main
| Parse option and launch action
int main(int argc, char *argv[]) {
AFB_session *session;
- int consoleFD;
- int pid, status;
+ struct afb_hsrv *hsrv;
+
+ // open syslog if ever needed
+ openlog("afb-daemon", 0, LOG_DAEMON);
// ------------- Build session handler & init config -------
session = calloc (1, sizeof (AFB_session));
session->config = calloc (1, sizeof (AFB_config));
- parse_arguments(argc, argv, session);
- initPlugins(session);
+ on_exit(closeSession, session);
+ parse_arguments(argc, argv, session);
// ------------------ sanity check ----------------------------------------
- if ((session->background) && (session->foreground)) {
- fprintf (stderr, "%s ERR: cannot select foreground & background at the same time\n",configTime());
+ if (session->config->httpdPort <= 0) {
+ fprintf (stderr, "ERR: no port is defined\n");
exit (1);
}
- // ------------------ Some useful default values -------------------------
- if ((session->background == 0) && (session->foreground == 0)) session->foreground=1;
+ if (session->config->ldpaths)
+ afb_api_so_add_pathset(session->config->ldpaths);
- // open syslog if ever needed
- openlog("AFB-log", 0, LOG_DAEMON);
+ ctxStoreInit(CTX_NBCLIENTS, session->config->cntxTimeout, session->config->token);
- // ------------------ clean exit on CTR-C signal ------------------------
- if (signal (SIGINT, signalQuit) == SIG_ERR) {
- fprintf (stderr, "%s Quit Signal received.",configTime());
- return 1;
- }
+ install_error_handlers();
- // save exitPoint context when returning from longjmp closeSession and exit
- status = setjmp (exitPoint); // return !+ when coming from longjmp
- if (status != 0) {
- if (verbose) printf ("INF: main returning from longjump after signal [%d]\n", status);
- closeSession (session);
- goto exitOnSignal;
+ // ------------------ clean exit on CTR-C signal ------------------------
+ if (signal (SIGINT, signalQuit) == SIG_ERR || signal (SIGABRT, signalQuit) == SIG_ERR) {
+ fprintf (stderr, "ERR: main fail to install Signal handler\n");
+ return 1;
}
// let's run this program with a low priority
- status=nice (20);
+ nice (20);
// ------------------ Finaly Process Commands -----------------------------
- // let's not take the risk to run as ROOT
- //if (getuid() == 0) goto errorNoRoot;
-
- // check session dir and create if it does not exist
- if (sessionCheckdir (session) != AFB_SUCCESS) goto errSessiondir;
- if (verbose) fprintf (stderr, "AFB: notice Init config done\n");
-
+ // let's not take the risk to run as ROOT
+ //if (getuid() == 0) goto errorNoRoot;
+ if (verbosity) fprintf (stderr, "AFB: notice Init config done\n");
- // ---- run in foreground mode --------------------
- if (session->foreground) {
-
- if (verbose) fprintf (stderr,"AFB: notice Foreground mode\n");
-
- // enter listening loop in foreground
- listenLoop(session);
- goto exitInitLoop;
- } // end foreground
-
-
- // --------- run in background mode -----------
+ // --------- run -----------
if (session->background) {
+ // --------- in background mode -----------
+ if (verbosity) printf ("AFB: Entering background mode\n");
+ daemonize(session);
+ } else {
+ // ---- in foreground mode --------------------
+ if (verbosity) fprintf (stderr,"AFB: notice Foreground mode\n");
- // if (status != 0) goto errorCommand;
- if (verbose) printf ("AFB: Entering background mode\n");
-
- // open /dev/console to redirect output messAFBes
- consoleFD = open(session->config->console, O_WRONLY | O_APPEND | O_CREAT , 0640);
- if (consoleFD < 0) goto errConsole;
+ }
- // fork process when running background mode
- pid = fork ();
+ hsrv = start (session->config);
+ if (hsrv == NULL)
+ exit(1);
- // son process get all data in standalone mode
- if (pid == 0) {
+ if (session->readyfd != 0) {
+ static const char readystr[] = "READY=1";
+ write(session->readyfd, readystr, sizeof(readystr) - 1);
+ close(session->readyfd);
+ }
- printf ("\nAFB: background mode [pid:%d console:%s]\n", getpid(),session->config->console);
+ // infinite loop
+ for(;;)
+ upoll_wait(30000);
- // redirect default I/O on console
- close (2); status=dup(consoleFD); // redirect stderr
- close (1); status=dup(consoleFD); // redirect stdout
- close (0); // no need for stdin
- close (consoleFD);
+ if (verbosity)
+ fprintf (stderr, "hoops returned from infinite loop [report bug]\n");
- setsid(); // allow father process to fully exit
- sleep (2); // allow main to leave and release port
+ return 0;
+}
- fprintf (stderr, "----------------------------\n");
- fprintf (stderr, "%s INF: main background pid=%d\n", configTime(), getpid());
- fflush (stderr);
+static int init(struct afb_hsrv *hsrv, AFB_config * config)
+{
+ int idx;
- // if everything look OK then look forever
- syslog (LOG_ERR, "AFB: Entering infinite loop in background mode");
+ if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_websocket_switch, NULL, 20))
+ return 0;
- // should normally never return from this loop
- listenLoop(session);
- syslog (LOG_ERR, "AFB: FAIL background infinite loop exited check [%s]\n", session->config->console);
+ if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_apis, NULL, 10))
+ return 0;
- goto exitInitLoop;
- }
+ for (idx = 0; config->aliasdir[idx].url != NULL; idx++)
+ if (!afb_hsrv_add_alias (hsrv, config->aliasdir[idx].url, config->aliasdir[idx].path, 0))
+ return 0;
- // if fail nothing much to do
- if (pid == -1) goto errorFork;
+ if (!afb_hsrv_add_alias(hsrv, "", config->rootdir, -10))
+ return 0;
- // we are in father process, we don't need this one
- _exit (0);
+ if (!afb_hsrv_add_handler(hsrv, config->rootbase, afb_hswitch_one_page_api_redirect, NULL, -20))
+ return 0;
- } // end background-foreground
+ return 1;
+}
-normalExit:
- closeSession (session); // try to close everything before leaving
- if (verbose) printf ("\n---- Application Framework Binder Normal End ------\n");
- exit(0);
+static struct afb_hsrv *start(AFB_config * config)
+{
+ int rc;
+ struct afb_hsrv *hsrv;
-// ------------- Fatal ERROR display error and quit -------------
-errorFork:
- fprintf (stderr,"\nERR: AFB-daemon Failed to fork son process\n\n");
- exit (1);
+ hsrv = afb_hsrv_create();
+ if (hsrv == NULL) {
+ fprintf(stderr, "memory allocation failure\n");
+ return NULL;
+ }
-exitOnSignal:
- fprintf (stderr,"\n%s INF: AFB-daemon pid=%d received exit signal (Hopefully crtl-C or --kill-previous !!!)\n\n"
- ,configTime(), getpid());
- exit (1);
+ if (!afb_hsrv_set_cache_timeout(hsrv, config->cacheTimeout)
+ || !init(hsrv, config)) {
+ printf("Error: initialisation of httpd failed");
+ afb_hsrv_put(hsrv);
+ return NULL;
+ }
-errConsole:
- fprintf (stderr,"\nERR: AFB-daemon cannot open /dev/console (use --foreground)\n\n");
- exit (1);
+ if (verbosity) {
+ printf("AFB:notice Waiting port=%d rootdir=%s\n", config->httpdPort, config->rootdir);
+ printf("AFB:notice Browser URL= http:/*localhost:%d\n", config->httpdPort);
+ }
-errSessiondir:
- fprintf (stderr,"\nERR: AFB-daemon cannot read/write session dir\n\n");
- exit (1);
+ rc = afb_hsrv_start(hsrv, (uint16_t) config->httpdPort, 15);
+ if (!rc) {
+ printf("Error: starting of httpd failed");
+ afb_hsrv_put(hsrv);
+ return NULL;
+ }
-exitInitLoop:
- exit (1);
+ return hsrv;
}