/*
- * Copyright (C) 2015 "IoT.bzh"
+ * Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Fulup Ar Foll"
* Author José Bollo <jose.bollo@iot.bzh>
*
*/
#define _GNU_SOURCE
+#define NO_PLUGIN_VERBOSE_MACRO
+
+#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include <getopt.h>
-#include <setjmp.h>
-#include <signal.h>
-#include <syslog.h>
+#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
-#include <sys/types.h>
+#include <getopt.h>
-#include "afb-plugin.h"
+#include <systemd/sd-event.h>
-#include "local-def.h"
+#include "afb-config.h"
#include "afb-hswitch.h"
+#include "afb-apis.h"
#include "afb-api-so.h"
+#include "afb-api-dbus.h"
#include "afb-hsrv.h"
+#include "afb-context.h"
+#include "afb-hreq.h"
+#include "afb-sig-handler.h"
#include "session.h"
#include "verbose.h"
-#include "utils-upoll.h"
+#include "afb-common.h"
+
+#include <afb/afb-plugin.h>
#if !defined(PLUGIN_INSTALL_DIR)
#error "you should define PLUGIN_INSTALL_DIR"
#endif
-#define AFB_VERSION "0.1"
+#define AFB_VERSION "0.5"
// Define command line option
#define SET_VERBOSE 1
#define SET_MODE 18
#define SET_READYFD 19
-static struct afb_hsrv *start(AFB_config * config);
+#define DBUS_CLIENT 20
+#define DBUS_SERVICE 21
+#define SO_PLUGIN 22
// Command line structure hold cli --command + help text
typedef struct {
{SET_MODE ,1,"mode" , "set the mode: either local, remote or global"},
{SET_READYFD ,1,"readyfd" , "set the #fd to signal when ready"},
- {0, 0, NULL, NULL}
- };
-static AFB_aliasdir aliasdir[MAX_ALIAS];
-static int aliascount = 0;
+ {DBUS_CLIENT ,1,"dbus-client" , "bind to an afb service through dbus"},
+ {DBUS_SERVICE ,1,"dbus-server" , "provides an afb service through dbus"},
+ {SO_PLUGIN ,1,"plugin" , "load the plugin of path"},
+ {0, 0, NULL, NULL}
+ };
/*----------------------------------------------------------
| printversion
| print version and copyright
+--------------------------------------------------------- */
-static void printVersion (void)
+static void printVersion (FILE *file)
{
- 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");
+ fprintf(file, "\n----------------------------------------- \n");
+ fprintf(file, " AFB [Application Framework Binder] version=%s |\n", AFB_VERSION);
+ fprintf(file, " \n");
+ fprintf(file, " Copyright (C) 2015, 2016 \"IoT.bzh\" [fulup -at- iot.bzh]\n");
+ fprintf(file, " AFB comes with ABSOLUTELY NO WARRANTY.\n");
+ fprintf(file, " Licence Apache 2\n\n");
exit (0);
}
+/*----------------------------------------------------------
+ | printHelp
+ | print information from long option array
+ +--------------------------------------------------------- */
+
+static void printHelp(FILE *file, const char *name)
+{
+ int ind;
+ char command[50];
+
+ fprintf (file, "%s:\nallowed options\n", name);
+ for (ind=0; cliOptions [ind].name != NULL;ind++)
+ {
+ // display options
+ if (cliOptions [ind].has_arg == 0 )
+ {
+ fprintf (file, " --%-15s %s\n", cliOptions [ind].name, cliOptions[ind].help);
+ } else {
+ sprintf(command, "%s=xxxx", cliOptions [ind].name);
+ fprintf (file, " --%-15s %s\n", command, cliOptions[ind].help);
+ }
+ }
+ fprintf (file, "Example:\n %s\\\n --verbose --port=1234 --token='azerty' --ldpaths=build/plugins:/usr/lib64/agl/plugins\n", name);
+}
+
// load config from disk and merge with CLI option
-static void config_set_default (AFB_config * config)
+static void config_set_default (struct afb_config * config)
{
// default HTTP port
if (config->httpdPort == 0)
}
-/*----------------------------------------------------------
- | printHelp
- | print information from long option array
- +--------------------------------------------------------- */
-
- static void printHelp(char *name) {
- int ind;
- char command[20];
-
- fprintf (stderr,"%s:\nallowed options\n", name);
- for (ind=0; cliOptions [ind].name != NULL;ind++)
- {
- // display options
- if (cliOptions [ind].has_arg == 0 )
- {
- fprintf (stderr," --%-15s %s\n", cliOptions [ind].name, cliOptions[ind].help);
- } else {
- sprintf(command,"%s=xxxx", cliOptions [ind].name);
- fprintf (stderr," --%-15s %s\n", command, cliOptions[ind].help);
- }
- }
- fprintf (stderr,"Example:\n %s\\\n --verbose --port=1234 --token='azerty' --ldpaths=build/plugins:/usr/lib64/agl/plugins\n", name);
-} // end printHelp
-
/*---------------------------------------------------------
| main
| Parse option and launch action
+--------------------------------------------------------- */
-static void parse_arguments(int argc, char *argv[], AFB_session *session)
+static void add_item(struct afb_config *config, int kind, char *value)
+{
+ struct afb_config_item *item = malloc(sizeof *item);
+ if (item == NULL) {
+ ERROR("out of memory");
+ exit(1);
+ }
+ item->kind = kind;
+ item->value = value;
+ item->previous = config->items;
+ config->items = item;
+}
+
+static void parse_arguments(int argc, char *argv[], struct afb_config *config)
{
char* programName = argv [0];
int optionIndex = 0;
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
if (argc < 2) {
- printHelp(programName);
+ printHelp(stderr, programName);
exit(1);
}
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 (verbosity) fprintf(stderr, "Forcing Rootdir=%s\n",session->config->rootdir);
+ config->rootdir = optarg;
+ INFO("Forcing Rootdir=%s",config->rootdir);
break;
case SET_ROOT_BASE:
if (optarg == 0) goto needValueForOption;
- session->config->rootbase = optarg;
- if (verbosity) fprintf(stderr, "Forcing Rootbase=%s\n",session->config->rootbase);
+ config->rootbase = optarg;
+ INFO("Forcing Rootbase=%s",config->rootbase);
break;
case SET_ROOT_API:
if (optarg == 0) goto needValueForOption;
- session->config->rootapi = optarg;
- if (verbosity) fprintf(stderr, "Forcing Rootapi=%s\n",session->config->rootapi);
+ config->rootapi = optarg;
+ INFO("Forcing Rootapi=%s",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);
+ ERROR("missing ':' in alias %s, ignored", config->aliasdir[config->aliascount].url);
} else {
- aliasdir[aliascount].path = optarg;
- aliasdir[aliascount].len = strlen(aliasdir[aliascount].url);
- if (verbosity) fprintf(stderr, "Alias url=%s path=%s\n", aliasdir[aliascount].url, aliasdir[aliascount].path);
- aliascount++;
+ config->aliasdir[config->aliascount].path = optarg;
+ INFO("Alias url=%s path=%s", 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);
+ ERROR("Too many aliases [max:%d] %s ignored", MAX_ALIAS, optarg);
}
break;
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;
+ if (!sscanf (optarg, "%d", &config->cacheTimeout)) goto notAnInteger;
break;
case SET_FORGROUND:
if (optarg != 0) goto noValueForOption;
- session->background = 0;
+ 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 DBUS_CLIENT:
+ case DBUS_SERVICE:
+ case SO_PLUGIN:
+ if (optarg == 0) goto needValueForOption;
+ add_item(config, optc, optarg);
break;
case DISPLAY_VERSION:
if (optarg != 0) goto noValueForOption;
- printVersion();
- exit(0);
+ printVersion(stdout);
+ break;
case DISPLAY_HELP:
default:
- printHelp(programName);
+ printHelp(stdout, programName);
exit(0);
}
}
free(gnuOptions);
- config_set_default (session->config);
+ config_set_default (config);
return;
needValueForOption:
- fprintf (stderr,"\nERR: AFB-daemon option [--%s] need a value i.e. --%s=xxx\n\n"
+ ERROR("AFB-daemon option [--%s] need a value i.e. --%s=xxx"
,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"
+ ERROR("AFB-daemon option [--%s] requirer an interger i.e. --%s=9"
,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name);
exit (1);
noValueForOption:
- fprintf (stderr,"\nERR: AFB-daemon option [--%s] don't take value\n\n"
+ ERROR("AFB-daemon option [--%s] don't take value"
,gnuOptions[optionIndex].name);
exit (1);
badMode:
- fprintf (stderr,"\nERR: AFB-daemon option [--%s] only accepts local, global or remote.\n\n"
+ ERROR("AFB-daemon option [--%s] only accepts local, global or remote."
,gnuOptions[optionIndex].name);
exit (1);
}
| 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);
- }
- }
+ /* struct afb_config *config = data; */
}
/*----------------------------------------------------------
| daemonize
| set the process in background
+--------------------------------------------------------- */
-static void daemonize(AFB_session *session)
+static void daemonize(struct afb_config *config)
{
int consoleFD;
int pid;
// open /dev/console to redirect output messAFBes
- consoleFD = open(session->config->console, O_WRONLY | O_APPEND | O_CREAT , 0640);
+ 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");
+ ERROR("AFB-daemon cannot open /dev/console (use --foreground)");
exit (1);
}
// if fail nothing much to do
if (pid == -1) {
- fprintf (stderr,"\nERR: AFB-daemon Failed to fork son process\n\n");
+ ERROR("AFB-daemon Failed to fork son process");
exit (1);
}
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);
+ NOTICE("background mode [pid:%d console:%s]", getpid(),config->console);
// redirect default I/O on console
close (2); dup(consoleFD); // redirect stderr
setsid(); // allow father process to fully exit
sleep (2); // allow main to leave and release port
#endif
+}
+
+/*---------------------------------------------------------
+ | 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, 0))
+ return 0;
+
+ if (!afb_hsrv_add_alias(hsrv, "", config->rootdir, -10, 1))
+ return 0;
+
+ if (!afb_hsrv_add_handler(hsrv, config->rootbase, afb_hswitch_one_page_api_redirect, NULL, -20))
+ return 0;
- fprintf (stderr, "----------------------------\n");
- fprintf (stderr, "INF: main background pid=%d\n", getpid());
- fflush (stderr);
+ 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? */
+ ERROR("unable to set the tmp directory");
+ return NULL;
+ }
+
+ hsrv = afb_hsrv_create();
+ if (hsrv == NULL) {
+ ERROR("memory allocation failure");
+ return NULL;
+ }
+
+ if (!afb_hsrv_set_cache_timeout(hsrv, config->cacheTimeout)
+ || !init_http_server(hsrv, config)) {
+ ERROR("initialisation of httpd failed");
+ afb_hsrv_put(hsrv);
+ return NULL;
+ }
+
+ NOTICE("Waiting port=%d rootdir=%s", config->httpdPort, config->rootdir);
+ NOTICE("Browser URL= http:/*localhost:%d", config->httpdPort);
+
+ rc = afb_hsrv_start(hsrv, (uint16_t) config->httpdPort, 15);
+ if (!rc) {
+ ERROR("starting of httpd failed");
+ afb_hsrv_put(hsrv);
+ return NULL;
+ }
+
+ return hsrv;
+}
+
+static void start_items(struct afb_config_item *item)
+{
+ if (item != NULL) {
+ /* keeps the order */
+ start_items(item->previous);
+ switch(item->kind) {
+ case DBUS_CLIENT:
+ if (afb_api_dbus_add_client(item->value) < 0) {
+ ERROR("can't start the afb-dbus client of path %s",item->value);
+ exit(1);
+ }
+ break;
+ case DBUS_SERVICE:
+ if (afb_api_dbus_add_server(item->value) < 0) {
+ ERROR("can't start the afb-dbus service of path %s",item->value);
+ exit(1);
+ }
+ break;
+ case SO_PLUGIN:
+ if (afb_api_so_add_plugin(item->value) < 0) {
+ ERROR("can't start the plugin of path %s",item->value);
+ exit(1);
+ }
+ break;
+ default:
+ ERROR("unexpected internal error");
+ exit(1);
+ }
+ /* frre the item */
+ free(item);
+ }
}
/*---------------------------------------------------------
+--------------------------------------------------------- */
int main(int argc, char *argv[]) {
- AFB_session *session;
struct afb_hsrv *hsrv;
+ struct afb_config *config;
+ struct sd_event *eventloop;
- // open syslog if ever needed
- openlog("afb-daemon", 0, LOG_DAEMON);
+ LOGAUTH("afb-daemon");
// ------------- Build session handler & init config -------
- session = calloc (1, sizeof (AFB_session));
- session->config = calloc (1, sizeof (AFB_config));
+ config = calloc (1, sizeof (struct afb_config));
- on_exit(closeSession, session);
- parse_arguments(argc, argv, session);
+ on_exit(closeSession, config);
+ parse_arguments(argc, argv, config);
// ------------------ sanity check ----------------------------------------
- if (session->config->httpdPort <= 0) {
- fprintf (stderr, "ERR: no port is defined\n");
+ if (config->httpdPort <= 0) {
+ ERROR("no port is defined");
exit (1);
}
- if (session->config->ldpaths)
- afb_api_so_add_pathset(session->config->ldpaths);
+ if (config->ldpaths) {
+ if (afb_api_so_add_pathset(config->ldpaths) < 0) {
+ ERROR("initialisation of plugins within %s failed", config->ldpaths);
+ exit(1);
+ }
+ }
- ctxStoreInit(CTX_NBCLIENTS, session->config->cntxTimeout, session->config->token);
+ start_items(config->items);
+ config->items = NULL;
- install_error_handlers();
+ ctxStoreInit(CTX_NBCLIENTS, config->cntxTimeout, config->token, afb_apis_count());
+ if (!afb_hreq_init_cookie(config->httpdPort, config->rootapi, DEFLT_CNTX_TIMEOUT)) {
+ ERROR("initialisation of cookies failed");
+ exit (1);
+ }
- // ------------------ 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");
+ if (afb_sig_handler_init() < 0) {
+ ERROR("main fail to initialise signal handlers");
return 1;
}
// 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");
+ DEBUG("Init config done");
// --------- run -----------
- if (session->background) {
+ if (config->background) {
// --------- in background mode -----------
- if (verbosity) printf ("AFB: Entering background mode\n");
- daemonize(session);
+ INFO("entering background mode");
+ daemonize(config);
} else {
// ---- in foreground mode --------------------
- if (verbosity) fprintf (stderr,"AFB: notice Foreground mode\n");
-
+ INFO("entering foreground mode");
}
- hsrv = start (session->config);
+ hsrv = start_http_server(config);
if (hsrv == NULL)
exit(1);
- if (session->readyfd != 0) {
+ if (config->readyfd != 0) {
static const char readystr[] = "READY=1";
- write(session->readyfd, readystr, sizeof(readystr) - 1);
- close(session->readyfd);
+ write(config->readyfd, readystr, sizeof(readystr) - 1);
+ close(config->readyfd);
}
// infinite loop
+ eventloop = afb_common_get_event_loop();
for(;;)
- upoll_wait(30000);
+ sd_event_run(eventloop, 30000000);
- if (verbosity)
- fprintf (stderr, "hoops returned from infinite loop [report bug]\n");
+ WARNING("hoops returned from infinite loop [report bug]");
return 0;
}
-static int init(struct afb_hsrv *hsrv, 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; config->aliasdir[idx].url != NULL; 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(AFB_config * config)
-{
- int rc;
- struct afb_hsrv *hsrv;
-
- 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(hsrv, config)) {
- printf("Error: initialisation of httpd failed");
- afb_hsrv_put(hsrv);
- return NULL;
- }
-
- 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);
- }
-
- rc = afb_hsrv_start(hsrv, (uint16_t) config->httpdPort, 15);
- if (!rc) {
- printf("Error: starting of httpd failed");
- afb_hsrv_put(hsrv);
- return NULL;
- }
-
- return hsrv;
-}
-
-