#include <getopt.h>
#include <pwd.h>
+#define AFB_VERSION "0.1"
+
static sigjmp_buf exitPoint; // context save for set/longjmp
/*----------------------------------------------------------
static void printVersion (void) {
fprintf (stderr,"\n----------------------------------------- \n");
- fprintf (stderr,"| AFB [Application Framework Binder] version=%s |\n", AJQ_VERSION);
+ fprintf (stderr,"| AFB [Application Framework Binder] version=%s |\n", AFB_VERSION);
fprintf (stderr,"----------------------------------------- \n");
fprintf (stderr,"| Copyright(C) 2015 Fulup Ar Foll /IoT.bzh [fulup -at- iot.bzh]\n");
fprintf (stderr,"| AFB comes with ABSOLUTELY NO WARRANTY.\n");
#define DISPLAY_HELP 151
#define SET_MODE 160
+#define SET_READYFD 161
+
+// Command line structure hold cli --command + help text
+typedef struct {
+ int val; // command number within application
+ int has_arg; // command number within application
+ char *name; // command as used in --xxxx cli
+ char *help; // help text
+} AFB_options;
// Supported option
{SET_PID_FILE ,1,"pidfile" , "PID file path [default none]"},
{SET_SESSION_DIR ,1,"sessiondir" , "Sessions file path [default rootdir/sessions]"},
{SET_CONFIG_FILE ,1,"config" , "Config Filename [default rootdir/sessions/configs/default.AFB]"},
- {SET_CONFIG_SAVE ,0,"save" , "Save config on disk [default no]"},
- {SET_CONFIG_EXIT ,0,"saveonly" , "Save config on disk and then exit"},
{SET_LDPATH ,1,"ldpaths" , "Load Plugins from dir1:dir2:... [default = PLUGIN_INSTALL_DIR"},
{SET_AUTH_TOKEN ,1,"token" , "Initial Secret [default=no-session, --token="" for session without authentication]"},
{DISPLAY_HELP ,0,"help" , "Display this help"},
{SET_MODE ,1,"mode" , "set the mode: either local, remote or global"},
- {0, 0, 0}
+ {SET_READYFD ,1,"readyfd" , "set the #fd to signal when ready"},
+ {0, 0, NULL, NULL}
};
static AFB_aliasdir aliasdir[MAX_ALIAS];
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);
| Parse option and launch action
+--------------------------------------------------------- */
-int main(int argc, char *argv[]) {
- AFB_session *session;
+static void parse_arguments(int argc, char *argv[], AFB_session *session)
+{
char* programName = argv [0];
int optionIndex = 0;
- int optc, ind, consoleFD;
- int pid, nbcmd, status;
+ int optc, ind;
+ int nbcmd;
+ struct option *gnuOptions;
AFB_config cliconfig; // temp structure to store CLI option before file config upload
// ------------- Build session handler & init config -------
- session = configInit ();
memset(&cliconfig,0,sizeof(cliconfig));
memset(&aliasdir ,0,sizeof(aliasdir));
cliconfig.aliasdir = aliasdir;
- // GNU CLI getopts nterface.
- struct option ggcOption;
- struct option *gnuOptions;
-
// ------------------ Process Command Line -----------------------
// if no argument print help and return
if (argc < 2) {
printHelp(programName);
- return (-1);
+ exit(1);
}
// build GNU getopt info from cliOptions
nbcmd = sizeof (cliOptions) / sizeof (AFB_options);
- gnuOptions = malloc (sizeof (ggcOption) * nbcmd);
+ gnuOptions = malloc (sizeof (*gnuOptions) * (unsigned)nbcmd);
for (ind=0; ind < nbcmd;ind++) {
gnuOptions [ind].name = cliOptions[ind].name;
gnuOptions [ind].has_arg = cliOptions[ind].has_arg;
if (optarg == 0) goto needValueForOption;
if (aliascount < MAX_ALIAS) {
aliasdir[aliascount].url = strsep(&optarg,":");
- aliasdir[aliascount].path = strsep(&optarg,":");
- aliasdir[aliascount].len = strlen(aliasdir[aliascount].url);
- if (verbose) fprintf(stderr, "Alias url=%s path=%s\n", aliasdir[aliascount].url, aliasdir[aliascount].path);
- aliascount++;
+ if (optarg == NULL) {
+ fprintf(stderr, "missing ':' in alias %s, ignored\n", aliasdir[aliascount].url);
+ } 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);
+ aliascount++;
+ }
} else {
- fprintf(stderr, "Too many aliases [max:%s] %s ignored\n", optarg, MAX_ALIAS-1);
+ fprintf(stderr, "Too many aliases [max:%d] %s ignored\n", MAX_ALIAS, optarg);
}
break;
if (!sscanf (optarg, "%d", &cliconfig.cacheTimeout)) goto notAnInteger;
break;
- case SET_CONFIG_EXIT:
- if (optarg != 0) goto noValueForOption;
- session->configsave = 1;
- session->forceexit = 1;
- break;
-
- case SET_CONFIG_SAVE:
- if (optarg != 0) goto noValueForOption;
- session->configsave = 1;
- break;
-
case SET_USERID:
if (optarg == 0) goto needValueForOption;
- if (!sscanf (optarg, "%s", &cliconfig.setuid)) goto notAnInteger;
+ cliconfig.setuid = optarg;
break;
case SET_FAKE_MOD:
else goto badMode;
break;
+ case SET_READYFD:
+ if (optarg == 0) goto needValueForOption;
+ if (!sscanf (optarg, "%u", &session->readyfd)) goto notAnInteger;
+ break;
+
case DISPLAY_VERSION:
if (optarg != 0) goto noValueForOption;
printVersion();
- goto normalExit;
+ exit(0);
case DISPLAY_HELP:
default:
printHelp(programName);
- goto normalExit;
-
+ exit(0);
}
}
+ free(gnuOptions);
// if exist merge config file with CLI arguments
configLoadFile (session, &cliconfig);
+ return;
+
+
+needValueForOption:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] need a value i.e. --%s=xxx\n\n"
+ ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
+ exit (1);
+
+notAnInteger:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] requirer an interger i.e. --%s=9\n\n"
+ ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
+ exit (1);
+
+noValueForOption:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] don't take value\n\n"
+ ,gnuOptions[optionIndex].name);
+ exit (1);
+
+badMode:
+ fprintf (stderr,"\nERR:AFB-daemon option [--%s] only accepts local, global or remote.\n\n"
+ ,gnuOptions[optionIndex].name);
+ exit (1);
+}
+
+/*---------------------------------------------------------
+ | main
+ | Parse option and launch action
+ +--------------------------------------------------------- */
+
+int main(int argc, char *argv[]) {
+ AFB_session *session;
+ char* programName = argv [0];
+ int consoleFD;
+ int pid, status;
+
+ // ------------- Build session handler & init config -------
+ session = configInit ();
+ parse_arguments(argc, argv, session);
initPlugins(session);
// ------------------ sanity check ----------------------------------------
if ((session->background) && (session->foreground)) {
fprintf (stderr, "%s ERR: cannot select foreground & background at the same time\n",configTime());
- exit (-1);
+ exit (1);
}
// ------------------ Some useful default values -------------------------
// ------------------ clean exit on CTR-C signal ------------------------
if (signal (SIGINT, signalQuit) == SIG_ERR) {
fprintf (stderr, "%s Quit Signal received.",configTime());
- return (-1);
+ return 1;
}
// save exitPoint context when returning from longjmp closeSession and exit
// ------------------ Finaly Process Commands -----------------------------
// if --save then store config on disk upfront
- if (session->configsave) configStoreFile (session);
- if (session->forceexit) exit (0);
-
if (session->config->setuid) {
int err;
struct passwd *passwd;
// ------------- Fatal ERROR display error and quit -------------
errorSetuid:
fprintf (stderr,"\nERR:AFB-daemon Failed to change UID to username=[%s]\n\n", session->config->setuid);
- exit (-1);
+ exit (1);
//errorNoRoot:
// fprintf (stderr,"\nERR:AFB-daemon Not allow to run as root [use --seteuid=username option]\n\n");
-// exit (-1);
+// exit (1);
errorPidFile:
fprintf (stderr,"\nERR:AFB-daemon Failed to write pid file [%s]\n\n", session->config->pidfile);
- exit (-1);
+ exit (1);
errorFork:
fprintf (stderr,"\nERR:AFB-daemon Failed to fork son process\n\n");
- exit (-1);
-
-needValueForOption:
- fprintf (stderr,"\nERR:AFB-daemon option [--%s] need a value i.e. --%s=xxx\n\n"
- ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
- exit (-1);
-
-noValueForOption:
- fprintf (stderr,"\nERR:AFB-daemon option [--%s] don't take value\n\n"
- ,gnuOptions[optionIndex].name);
- exit (-1);
-
-notAnInteger:
- fprintf (stderr,"\nERR:AFB-daemon option [--%s] requirer an interger i.e. --%s=9\n\n"
- ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
- exit (-1);
-
-badMode:
- fprintf (stderr,"\nERR:AFB-daemon option [--%s] only accepts local, global or remote.\n\n"
- ,gnuOptions[optionIndex].name);
- exit (-1);
+ exit (1);
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);
+ exit (1);
errConsole:
fprintf (stderr,"\nERR:AFB-daemon cannot open /dev/console (use --foreground)\n\n");
- exit (-1);
+ exit (1);
errSessiondir:
fprintf (stderr,"\nERR:AFB-daemon cannot read/write session dir\n\n");
- exit (-1);
-
-errSoundCard:
- fprintf (stderr,"\nERR:AFB-daemon fail to probe sound cards\n\n");
- exit (-1);
+ exit (1);
exitInitLoop:
// try to unlink pid file if any
if (session->background && session->config->pidfile != NULL) unlink (session->config->pidfile);
- exit (-1);
+ exit (1);
+
+}
-}; /* END AFB-daemon() */