X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fmain.c;h=fcedd2a6e538fdc5681cb3b71b7ba6c4bc9c0046;hb=5dd6480727cc1ecb12483fc4d971d73176505748;hp=ccff5fa8daff2630332c0c42692c3e02792c18cb;hpb=9c9253cd9106e656195aba6f0cadb29f6a940fe1;p=src%2Fapp-framework-binder.git diff --git a/src/main.c b/src/main.c index ccff5fa8..fcedd2a6 100644 --- a/src/main.c +++ b/src/main.c @@ -16,15 +16,35 @@ * limitations under the License. */ -#include -#include -#include -#include -#include +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include #include #include -#include "local-def.h" +#include +#include +#include +#include + +#include + +#include "afb-config.h" +#include "afb-hswitch.h" +#include "afb-apis.h" +#include "afb-api-so.h" +#include "afb-hsrv.h" +#include "afb-hreq.h" +#include "session.h" +#include "verbose.h" +#include "afb-common.h" + +#include "afb-plugin.h" #if !defined(PLUGIN_INSTALL_DIR) #error "you should define PLUGIN_INSTALL_DIR" @@ -36,7 +56,6 @@ #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 @@ -97,8 +116,6 @@ static AFB_options cliOptions [] = { {0, 0, NULL, NULL} }; -static AFB_aliasdir aliasdir[MAX_ALIAS]; -static int aliascount = 0; /*---------------------------------------------------------- @@ -117,68 +134,62 @@ static void printVersion (void) } // load config from disk and merge with CLI option -static AFB_error config_set_default (AFB_session * session) +static void config_set_default (struct 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; } @@ -206,63 +217,12 @@ static AFB_error config_set_default (AFB_session * session) 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 (int status, void *data) { -// AFB_session *session = data; -} - -/*---------------------------------------------------------- - | 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, "ERR: Received signal quit\n"); - syslog (LOG_ERR, "Daemon got kill3 & quit [please report bug]"); - exit(1); -} - - -/*---------------------------------------------------------- - | listenLoop - | Main listening HTTP loop - +--------------------------------------------------------- */ -static void listenLoop (AFB_session *session) { - AFB_error err; - - // ------ Start httpd server - - 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 +--------------------------------------------------------- */ -static void parse_arguments(int argc, char *argv[], AFB_session *session) +static void parse_arguments(int argc, char *argv[], struct afb_config *config) { char* programName = argv [0]; int optionIndex = 0; @@ -270,10 +230,6 @@ static void parse_arguments(int argc, char *argv[], AFB_session *session) int nbcmd; struct option *gnuOptions; - // ------------- Build session handler & init config ------- - memset(&aliasdir ,0,sizeof(aliasdir)); - session->config->aliasdir = aliasdir; - // ------------------ Process Command Line ----------------------- // if no argument print help and return @@ -299,53 +255,52 @@ static void parse_arguments(int argc, char *argv[], AFB_session *session) switch (optc) { case SET_VERBOSE: - verbose = 1; + verbosity++; break; case SET_TCP_PORT: if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &session->config->httpdPort)) goto notAnInteger; + if (!sscanf (optarg, "%d", &config->httpdPort)) goto notAnInteger; break; case SET_APITIMEOUT: if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &session->config->apiTimeout)) goto notAnInteger; + if (!sscanf (optarg, "%d", &config->apiTimeout)) goto notAnInteger; break; case SET_CNTXTIMEOUT: if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &session->config->cntxTimeout)) goto notAnInteger; + if (!sscanf (optarg, "%d", &config->cntxTimeout)) goto notAnInteger; break; case SET_ROOT_DIR: if (optarg == 0) goto needValueForOption; - session->config->rootdir = optarg; - if (verbose) fprintf(stderr, "Forcing Rootdir=%s\n",session->config->rootdir); + config->rootdir = optarg; + if (verbosity) fprintf(stderr, "Forcing Rootdir=%s\n",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); + config->rootbase = optarg; + if (verbosity) fprintf(stderr, "Forcing Rootbase=%s\n",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); + config->rootapi = optarg; + if (verbosity) fprintf(stderr, "Forcing Rootapi=%s\n",config->rootapi); break; case SET_ALIAS: if (optarg == 0) goto needValueForOption; - if (aliascount < MAX_ALIAS) { - aliasdir[aliascount].url = strsep(&optarg,":"); + if ((unsigned)config->aliascount < sizeof (config->aliasdir) / sizeof (config->aliasdir[0])) { + config->aliasdir[config->aliascount].url = strsep(&optarg,":"); if (optarg == NULL) { - fprintf(stderr, "missing ':' in alias %s, ignored\n", aliasdir[aliascount].url); + fprintf(stderr, "missing ':' in alias %s, ignored\n", config->aliasdir[config->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++; + config->aliasdir[config->aliascount].path = optarg; + if (verbosity) fprintf(stderr, "Alias url=%s path=%s\n", config->aliasdir[config->aliascount].url, config->aliasdir[config->aliascount].path); + config->aliascount++; } } else { fprintf(stderr, "Too many aliases [max:%d] %s ignored\n", MAX_ALIAS, optarg); @@ -354,50 +309,45 @@ static void parse_arguments(int argc, char *argv[], AFB_session *session) case SET_AUTH_TOKEN: if (optarg == 0) goto needValueForOption; - session->config->token = optarg; + config->token = optarg; break; case SET_LDPATH: if (optarg == 0) goto needValueForOption; - session->config->ldpaths = optarg; + config->ldpaths = optarg; break; case SET_SESSION_DIR: if (optarg == 0) goto needValueForOption; - session->config->sessiondir = optarg; + config->sessiondir = optarg; break; case SET_CACHE_TIMEOUT: if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &session->config->cacheTimeout)) goto notAnInteger; - break; - - case SET_FAKE_MOD: - if (optarg != 0) goto noValueForOption; - session->fakemod = 1; + if (!sscanf (optarg, "%d", &config->cacheTimeout)) goto notAnInteger; break; case SET_FORGROUND: if (optarg != 0) goto noValueForOption; - session->foreground = 1; + config->background = 0; break; case SET_BACKGROUND: if (optarg != 0) goto noValueForOption; - session->background = 1; + config->background = 1; break; case SET_MODE: if (optarg == 0) goto needValueForOption; - if (!strcmp(optarg, "local")) session->config->mode = AFB_MODE_LOCAL; - else if (!strcmp(optarg, "remote")) session->config->mode = AFB_MODE_REMOTE; - else if (!strcmp(optarg, "global")) session->config->mode = AFB_MODE_GLOBAL; + if (!strcmp(optarg, "local")) config->mode = AFB_MODE_LOCAL; + else if (!strcmp(optarg, "remote")) config->mode = AFB_MODE_REMOTE; + else if (!strcmp(optarg, "global")) config->mode = AFB_MODE_GLOBAL; else goto badMode; break; case SET_READYFD: if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%u", &session->readyfd)) goto notAnInteger; + if (!sscanf (optarg, "%u", &config->readyfd)) goto notAnInteger; break; case DISPLAY_VERSION: @@ -413,7 +363,7 @@ static void parse_arguments(int argc, char *argv[], AFB_session *session) } free(gnuOptions); - config_set_default (session); + config_set_default (config); return; @@ -438,40 +388,206 @@ badMode: exit (1); } +/*---------------------------------------------------------- + | closeSession + | try to close everything before leaving + +--------------------------------------------------------- */ +static void closeSession (int status, void *data) { + /* struct afb_config *config = 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(struct afb_config *config) +{ + int consoleFD; + int pid; + + // open /dev/console to redirect output messAFBes + consoleFD = open(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 + fprintf (stderr, "\nAFB: background mode [pid:%d console:%s]\n", getpid(),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); +} + +/*--------------------------------------------------------- + | http server + | Handles the HTTP server + +--------------------------------------------------------- */ +static int init_http_server(struct afb_hsrv *hsrv, struct afb_config * config) +{ + int idx; + + if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_websocket_switch, NULL, 20)) + return 0; + + if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_apis, NULL, 10)) + return 0; + + for (idx = 0; idx < config->aliascount; idx++) + if (!afb_hsrv_add_alias (hsrv, config->aliasdir[idx].url, config->aliasdir[idx].path, 0)) + return 0; + + if (!afb_hsrv_add_alias(hsrv, "", config->rootdir, -10)) + return 0; + + if (!afb_hsrv_add_handler(hsrv, config->rootbase, afb_hswitch_one_page_api_redirect, NULL, -20)) + return 0; + + return 1; +} + +static struct afb_hsrv *start_http_server(struct afb_config * config) +{ + int rc; + struct afb_hsrv *hsrv; + + if (afb_hreq_init_download_path("/tmp")) { /* TODO: sessiondir? */ + fprintf(stderr, "unable to set the tmp directory\n"); + return NULL; + } + + hsrv = afb_hsrv_create(); + if (hsrv == NULL) { + fprintf(stderr, "memory allocation failure\n"); + return NULL; + } + + if (!afb_hsrv_set_cache_timeout(hsrv, config->cacheTimeout) + || !init_http_server(hsrv, config)) { + fprintf (stderr, "Error: initialisation of httpd failed"); + afb_hsrv_put(hsrv); + return NULL; + } + + if (verbosity) { + fprintf (stderr, "AFB:notice Waiting port=%d rootdir=%s\n", config->httpdPort, config->rootdir); + fprintf (stderr, "AFB:notice Browser URL= http:/*localhost:%d\n", config->httpdPort); + } + + rc = afb_hsrv_start(hsrv, (uint16_t) config->httpdPort, 15); + if (!rc) { + fprintf (stderr, "Error: starting of httpd failed"); + afb_hsrv_put(hsrv); + return NULL; + } + + return hsrv; +} + + /*--------------------------------------------------------- | main | Parse option and launch action +--------------------------------------------------------- */ int main(int argc, char *argv[]) { - AFB_session *session; - int consoleFD; - int pid; + struct afb_hsrv *hsrv; + struct afb_config *config; + struct sd_event *eventloop; // 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)); - - on_exit(closeSession, session); - parse_arguments(argc, argv, session); + config = calloc (1, sizeof (struct afb_config)); - initPlugins(session); + on_exit(closeSession, config); + parse_arguments(argc, argv, config); // ------------------ sanity check ---------------------------------------- - if ((session->background) && (session->foreground)) { - fprintf (stderr, "ERR: cannot select foreground & background at the same time\n"); + if (config->httpdPort <= 0) { + fprintf (stderr, "ERR: no port is defined\n"); exit (1); } - if (session->config->httpdPort <= 0) { - fprintf (stderr, "ERR: no port is defined\n"); + + if (config->ldpaths) + afb_api_so_add_pathset(config->ldpaths); + + ctxStoreInit(CTX_NBCLIENTS, config->cntxTimeout, config->token, afb_apis_count()); + if (!afb_hreq_init_cookie(config->httpdPort, config->rootapi, DEFLT_CNTX_TIMEOUT)) { + fprintf (stderr, "ERR: initialisation of cookies failed\n"); exit (1); } - // ------------------ Some useful default values ------------------------- - if ((session->background == 0) && (session->foreground == 0)) session->foreground=1; + install_error_handlers(); // ------------------ clean exit on CTR-C signal ------------------------ if (signal (SIGINT, signalQuit) == SIG_ERR || signal (SIGABRT, signalQuit) == SIG_ERR) { @@ -479,7 +595,6 @@ int main(int argc, char *argv[]) { return 1; } - // let's run this program with a low priority nice (20); @@ -487,88 +602,37 @@ int main(int argc, char *argv[]) { // 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"); - - // ---- 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 ----------- - if (session->background) { - - // 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 (); - - // son process get all data in standalone mode - if (pid == 0) { - - printf ("\nAFB: background mode [pid:%d console:%s]\n", getpid(),session->config->console); + if (verbosity) fprintf (stderr, "AFB: notice Init config done\n"); - // 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); + // --------- run ----------- + if (config->background) { + // --------- in background mode ----------- + if (verbosity) fprintf (stderr, "AFB: Entering background mode\n"); + daemonize(config); + } else { + // ---- in foreground mode -------------------- + if (verbosity) fprintf (stderr,"AFB: notice Foreground mode\n"); - setsid(); // allow father process to fully exit - sleep (2); // allow main to leave and release port - - fprintf (stderr, "----------------------------\n"); - fprintf (stderr, "INF: main background pid=%d\n", getpid()); - fflush (stderr); - - // if everything look OK then look forever - syslog (LOG_ERR, "AFB: Entering infinite loop in background mode"); - - // should normally never return from this loop - listenLoop(session); - syslog (LOG_ERR, "AFB: FAIL background infinite loop exited check [%s]\n", session->config->console); - - goto exitInitLoop; - } - - // if fail nothing much to do - if (pid == -1) goto errorFork; - - // we are in father process, we don't need this one - _exit (0); - - } // end background-foreground + } - if (verbose) printf ("\n---- Application Framework Binder Normal End ------\n"); - exit(0); + hsrv = start_http_server(config); + if (hsrv == NULL) + exit(1); -// ------------- Fatal ERROR display error and quit ------------- -errorFork: - fprintf (stderr,"\nERR: AFB-daemon Failed to fork son process\n\n"); - exit (1); + if (config->readyfd != 0) { + static const char readystr[] = "READY=1"; + write(config->readyfd, readystr, sizeof(readystr) - 1); + close(config->readyfd); + } -errConsole: - fprintf (stderr,"\nERR: AFB-daemon cannot open /dev/console (use --foreground)\n\n"); - exit (1); + // infinite loop + eventloop = afb_common_get_event_loop(); + for(;;) + sd_event_run(eventloop, 30000000); -errSessiondir: - fprintf (stderr,"\nERR: AFB-daemon cannot read/write session dir\n\n"); - exit (1); + if (verbosity) + fprintf (stderr, "hoops returned from infinite loop [report bug]\n"); -exitInitLoop: - exit (1); + return 0; } -