예제 #1
0
void PublishAvahi::publish(const std::vector<AvahiService>& services)
{
	this->services = services;

	AvahiClient *client = NULL;
	int error;

	/* Allocate main loop object */
	if (!(simple_poll = avahi_simple_poll_new()))
	{
		logE << "Failed to create simple poll object.\n";
	}

	/* Allocate a new client */
	client = avahi_client_new(avahi_simple_poll_get(simple_poll), AVAHI_CLIENT_IGNORE_USER_CONFIG, client_callback, this, &error);

	/* Check wether creating the client object succeeded */
	if (!client)
	{
		logE << "Failed to create client: " << avahi_strerror(error) << "\n";
	}

	active_ = true;
	pollThread_ = std::thread(&PublishAvahi::worker, this);
}
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
    AvahiServer *server;
    AvahiServerConfig config;
    int error;
    AvahiSimplePoll *simple_poll;

    simple_poll = avahi_simple_poll_new();
    
    avahi_server_config_init(&config);
    config.publish_hinfo = 0;
    config.publish_addresses = 0;
    config.publish_workstation = 0;
    config.publish_domain = 0;
    config.use_ipv6 = 0;
    config.enable_reflector = 1;
    
    server = avahi_server_new(avahi_simple_poll_get(simple_poll), &config, NULL, NULL, &error);
    avahi_server_config_free(&config);

    for (;;)
        if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
            break;

    avahi_server_free(server);
    avahi_simple_poll_free(simple_poll);

    return 0;
}
예제 #3
0
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {

    AvahiSimplePoll *simple_poll;
    const AvahiPoll *poll_api;
    AvahiClient *client;
    AvahiServiceResolver *r;

    simple_poll = avahi_simple_poll_new();
    assert(simple_poll);

    poll_api = avahi_simple_poll_get(simple_poll);
    assert(poll_api);

    client = avahi_client_new(poll_api, 0, NULL, NULL, NULL);
    assert(client);

    r = avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, "_domain._udp", "0pointer.de", AVAHI_PROTO_UNSPEC, AVAHI_LOOKUP_NO_TXT, callback, simple_poll);
    assert(r);

    avahi_simple_poll_loop(simple_poll);

    avahi_client_free(client);
    avahi_simple_poll_free(simple_poll);

    return 0;
}
예제 #4
0
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {

    AvahiSimplePoll *simple_poll;
    const AvahiPoll *poll_api;
    AvahiClient *client;
    AvahiRecordBrowser *r;
    
    simple_poll = avahi_simple_poll_new();
    assert(simple_poll);
    
    poll_api = avahi_simple_poll_get(simple_poll);
    assert(poll_api);
    
    client = avahi_client_new(poll_api, 0, NULL, NULL, NULL);
    assert(client);

    r = avahi_record_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "ecstasy.local", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_HINFO, 0, callback, simple_poll);
    assert(r);

    avahi_simple_poll_loop(simple_poll);

    avahi_client_free(client);
    avahi_simple_poll_free(simple_poll);

    return 0;
}
예제 #5
0
CAMLprim value stub_avahi_simple_poll_new(value unit)
{
  CAMLparam1(unit);

  AvahiSimplePoll *sp;
  sp = avahi_simple_poll_new();
  if (sp)
    CAMLreturn((value)sp);

  caml_failwith("avahi_simple_poll_new returned NULL");
}
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
    AvahiServerConfig config;
    AvahiServer *server = NULL;
    int error;
    int ret = 1;

    /* Initialize the pseudo-RNG */
    srand(time(NULL));

    /* Allocate main loop object */
    if (!(simple_poll = avahi_simple_poll_new())) {
        fprintf(stderr, "Failed to create simple poll object.\n");
        goto fail;
    }

    name = avahi_strdup("MegaPrinter");

    /* Let's set the host name for this server. */
    avahi_server_config_init(&config);
    config.host_name = avahi_strdup("gurkiman");
    config.publish_workstation = 0;

    /* Allocate a new server */
    server = avahi_server_new(avahi_simple_poll_get(simple_poll), &config, server_callback, NULL, &error);

    /* Free the configuration data */
    avahi_server_config_free(&config);

    /* Check wether creating the server object succeeded */
    if (!server) {
        fprintf(stderr, "Failed to create server: %s\n", avahi_strerror(error));
        goto fail;
    }

    /* Run the main loop */
    avahi_simple_poll_loop(simple_poll);

    ret = 0;

fail:

    /* Cleanup things */

    if (server)
        avahi_server_free(server);

    if (simple_poll)
        avahi_simple_poll_free(simple_poll);

    avahi_free(name);

    return ret;
}
예제 #7
0
파일: avahi.c 프로젝트: adamsutton/pidvbip
int avahi_discover_tvh(struct htsp_t* htsp)
{
    AvahiClient *client = NULL;
    AvahiServiceBrowser *sb = NULL;
    int error;
    int ret = 1;

    /* Allocate main loop object */
    if (!(simple_poll = avahi_simple_poll_new())) {
        fprintf(stderr, "Failed to create simple poll object.\n");
        goto fail;
    }

    /* Allocate a new client */
    client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error);

    /* Check wether creating the client object succeeded */
    if (!client) {
        fprintf(stderr, "Failed to create client: %s\n", avahi_strerror(error));
        goto fail;
    }

    /* Create the service browser */
    if (!(sb = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_INET, "_htsp._tcp", NULL, 0, browse_callback, client))) {
        fprintf(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_client_errno(client)));
        goto fail;
    }

    /* Run the main loop */
    avahi_simple_poll_loop(simple_poll);

    ret = 0;

fail:

    /* Cleanup things */
    if (sb)
        avahi_service_browser_free(sb);

    if (client)
        avahi_client_free(client);

    if (simple_poll)
        avahi_simple_poll_free(simple_poll);

    if (tvh_hostname) {
      htsp->host = tvh_hostname;
      htsp->ip = tvh_ip;
      htsp->port = tvh_port;
    }

    return ret;
}
예제 #8
0
static int register_once() {
    AvahiClient *client = NULL;
    int error;
    int ret = 1;
    struct timeval tv;

    group = NULL;
    simple_poll = NULL;
    name = NULL;

    /* Allocate main loop object */
    if (!(simple_poll = avahi_simple_poll_new())) {
        fprintf(stderr, "Failed to create simple poll object.\n");
        goto fail;
    }

    name = avahi_strdup("MegaPrinter");

    /* Allocate a new client */
    client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error);

    /* Check wether creating the client object succeeded */
    if (!client) {
        fprintf(stderr, "Failed to create client: %s\n", avahi_strerror(error));
        goto fail;
    }

    /* After 10s quit. */
    avahi_simple_poll_get(simple_poll)->timeout_new(
        avahi_simple_poll_get(simple_poll),
        avahi_elapse_time(&tv, 300*10, 0),
        quit_callback,
        client);

    /* Run the main loop */
    avahi_simple_poll_loop(simple_poll);

    ret = 0;

fail:

    /* Cleanup things */

    if (client)
        avahi_client_free(client);

    if (simple_poll)
        avahi_simple_poll_free(simple_poll);

    avahi_free(name);

    return ret;
}
예제 #9
0
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
    AvahiClient *client = NULL;
    int error;
    int ret = 1;
    //struct timeval tv;		// Not needed due no modifications made by avahi service
								// Comes from sample code
	
    /* Allocate main loop object */
    if (!(simple_poll = avahi_simple_poll_new())) {
        fprintf(stderr, "Failed to create simple poll object.\n");
        goto fail;
    }
	
    name = avahi_strdup("gbMon2");
	
    /* Allocate a new client */
    client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error);
	
    /* Check wether creating the client object succeeded */
    if (!client) {
        fprintf(stderr, "Failed to create client: %s\n", avahi_strerror(error));
        goto fail;
    }
	
    /* After 10s do some weird modification to the service */
    /*
	avahi_simple_poll_get(simple_poll)->timeout_new(
													avahi_simple_poll_get(simple_poll),
													avahi_elapse_time(&tv, 1000*10, 0),
													modify_callback,
													client);
	*/
    /* Run the main loop */
    avahi_simple_poll_loop(simple_poll);
	
    ret = 0;
	
fail:
	
    /* Cleanup things */
	
    if (client)
        avahi_client_free(client);
	
    if (simple_poll)
        avahi_simple_poll_free(simple_poll);
	
    avahi_free(name);
	
    return ret;
}
예제 #10
0
int init(int argc, char *argv[])
{
  puts("Avahi zero-conf handler init.");
  
  simple_poll = avahi_simple_poll_new();
  
  int error = 0;
  avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error);
  printf("Avahi status: %s\n", avahi_strerror(error));
  
  avahi_simple_poll_loop(simple_poll);
    
  return 255;
}
예제 #11
0
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
    AvahiClient *client = NULL;
    AvahiRecordBrowser *sb = NULL;
    int error;
    int ret = 1;

    /* Allocate main loop object */
    if (!(simple_poll = avahi_simple_poll_new())) {
        fprintf(stderr, "Failed to create simple poll object.\n");
        goto fail;
    }

    /* Allocate a new client */
    client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, 
            client_callback, NULL, &error);

    /* Check wether creating the client object succeeded */
    if (!client) {
        fprintf(stderr, "Failed to create client: %s\n", avahi_strerror(error));
        goto fail;
    }

    /* Create the service browser */
    if (!(sb = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 
                    "_http._tcp", NULL, 0, browse_callback, client))) {
        fprintf(stderr, "Failed to create service browser: %s\n", 
                avahi_strerror(avahi_client_errno(client)));
        goto fail;
    }

    /* Run the main loop */
    avahi_simple_poll_loop(simple_poll);

    ret = 0;

fail:

    /* Cleanup things */
    if (sb)
        avahi_service_browser_free(sb);

    if (client)
        avahi_client_free(client);

    if (simple_poll)
        avahi_simple_poll_free(simple_poll);

    return ret;
}
예제 #12
0
static void *
avahi_thread(void *aux)
{
  AvahiSimplePoll *asp = avahi_simple_poll_new();
  const AvahiPoll *ap = avahi_simple_poll_get(asp);

  name = avahi_strdup("Tvheadend");

  avahi_client_new(ap, AVAHI_CLIENT_NO_FAIL, client_callback, NULL, NULL);
 
  while((avahi_simple_poll_iterate(asp, -1)) != -1) {}

  return NULL;
  

}
bool ofxAvahiCoreBrowser::lookup(string _type){
	AvahiServerConfig config;
	int error;
	type = _type;

	if (!(poll = avahi_simple_poll_new())) {
		ofLogError(LOG_NAME) << "Failed to create simple poll object.";
		close();
		return false;
	}
	/* Do not publish any local records */
	avahi_server_config_init(&config);
	config.publish_hinfo = 0;
	config.publish_addresses = 0;
	config.publish_workstation = 0;
	config.publish_domain = 0;
	config.use_ipv6 = 0;
	config.disallow_other_stacks = 1;
	config.allow_point_to_point = 1;

	/* Set a unicast DNS server for wide area DNS-SD */
    /*avahi_address_parse("192.168.50.1", AVAHI_PROTO_UNSPEC, &config.wide_area_servers[0]);
    config.n_wide_area_servers = 1;
    config.enable_wide_area = 1;*/

	server = avahi_server_new(avahi_simple_poll_get(poll), &config, (AvahiServerCallback)server_cb, this, &error);

	avahi_server_config_free(&config);

	if (!server) {
		ofLogError(LOG_NAME) << "Failed to create server:" << avahi_strerror(error);
		close();
		return false;
	}


    /* Create the service browser */
    if (!(sb = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_INET, type.c_str(), NULL, (AvahiLookupFlags)0, (AvahiSServiceBrowserCallback)browse_cb, this))) {
    	ofLogError(LOG_NAME) << "Failed to create service browser:" << avahi_strerror(avahi_server_errno(server));
    	close();
    	return false;
    }

	startThread(true,false);

	return true;
}
예제 #14
0
파일: network.c 프로젝트: lrmodesgh/libiio
static int discover_host(AvahiAddress *addr, uint16_t *port)
{
	struct avahi_discovery_data ddata;
	int ret = 0;
	AvahiClient *client;
	AvahiServiceBrowser *browser;
	AvahiSimplePoll *poll = avahi_simple_poll_new();
	if (!poll)
		return -ENOMEM;

	client = avahi_client_new(avahi_simple_poll_get(poll),
			0, NULL, NULL, &ret);
	if (!client) {
		ERROR("Unable to start ZeroConf client :%s\n",
				avahi_strerror(ret));
		goto err_free_poll;
	}

	memset(&ddata, 0, sizeof(ddata));
	ddata.poll = poll;
	ddata.address = addr;
	ddata.port = port;

	browser = avahi_service_browser_new(client,
			AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
			"_iio._tcp", NULL, 0, __avahi_browser_cb, &ddata);
	if (!browser) {
		ret = avahi_client_errno(client);
		ERROR("Unable to create ZeroConf browser: %s\n",
				avahi_strerror(ret));
		goto err_free_client;
	}

	DEBUG("Trying to discover host\n");
	avahi_simple_poll_loop(poll);

	if (!ddata.found)
		ret = ENXIO;

	avahi_service_browser_free(browser);
err_free_client:
	avahi_client_free(client);
err_free_poll:
	avahi_simple_poll_free(poll);
	return -ret; /* we want a negative error code */
}
예제 #15
0
void Avahi::avahiPublish() {
	int error;

	/* Allocate main loop object */
	if (!(simple_publish_poll = avahi_simple_poll_new())) {
		std::cerr << "Failed to create simple poll object." << std::endl;
	}

	/* Allocate a new client */
	publishClient = avahi_client_new(avahi_simple_poll_get(simple_publish_poll), (AvahiClientFlags)0, client_publish_callback, NULL, &error);

	/* Check whether creating the client object succeeded */
	if (!publishClient) {
		std::cerr << "Failed to create client: " <<  avahi_strerror(error) << std::endl;
	}

	/* Run the main loop */
	avahi_simple_poll_loop(simple_publish_poll);
}
예제 #16
0
bool BrowseAvahi::browse(const std::string& serviceName, int proto, AvahiResult& result, int timeout)
{
    int error;

    /* Allocate main loop object */
    if (!(simple_poll = avahi_simple_poll_new())) {
        logE << "Failed to create simple poll object.\n";
        goto fail;
    }

    /* Allocate a new client */
    client_ = avahi_client_new(avahi_simple_poll_get(simple_poll), (AvahiClientFlags)0, client_callback, this, &error);

    /* Check wether creating the client object succeeded */
    if (!client_) {
        logE << "Failed to create client: " << avahi_strerror(error) << "\n";
        goto fail;
    }

    /* Create the service browser */
    if (!(sb_ = avahi_service_browser_new(client_, AVAHI_IF_UNSPEC, proto, serviceName.c_str(), NULL, (AvahiLookupFlags)0, browse_callback, this))) 	{
        logE << "Failed to create service browser: " << avahi_strerror(avahi_client_errno(client_)) << "\n";
        goto fail;
    }

	result_.valid_ = false;
	while (timeout > 0)
	{
		avahi_simple_poll_iterate(simple_poll, 100);
		timeout -= 100;
		if (result_.valid_)
		{
			result = result_;
			return true;
		}			
	}

fail:
	return false;
}
예제 #17
0
파일: Zeroconf.cpp 프로젝트: aissat/trick
int Trick::Zeroconf::init() {

#ifdef HAVE_ZEROCONF
#if __linux
    int error;
    int ret ;
    char r[128] ;

    if (!(simple_poll = avahi_simple_poll_new())) {
        fprintf(stderr, "Failed to create simple poll object.\n");
        return -1 ;
    }

    client = avahi_client_new(avahi_simple_poll_get(simple_poll), (AvahiClientFlags)0, NULL, NULL, &error);

    if ( client != NULL ) {
        group = avahi_entry_group_new(client, entry_group_callback, (void *)name.c_str()) ;
        if (avahi_entry_group_is_empty(group)) {
            ret = avahi_entry_group_add_service(group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, (AvahiPublishFlags)0,
                name.c_str(), type.c_str(), NULL, NULL, var_server_get_port(), NULL, r, NULL) ;
            ret = avahi_entry_group_commit(group) ;
        }
    }
#endif
#if __APPLE__
    DNSServiceErrorType error ;

    error = DNSServiceRegister(&dns_service_ref,
                         0, 0,
                         name.c_str(), type.c_str(),
                         NULL, NULL,
                         htons(var_server_get_port()),
                         0, NULL, // txt record stuff
                         NULL, NULL); // callback stuff
#endif
#endif

    return 0 ;

}
예제 #18
0
bool BrowseAvahi::browse(const std::string& serviceName, mDNSResult& result, int timeout)
{
	try
	{
		/* Allocate main loop object */
		if (!(simple_poll = avahi_simple_poll_new()))
			throw SnapException("BrowseAvahi - Failed to create simple poll object");

		/* Allocate a new client */
		int error;
		if (!(client_ = avahi_client_new(avahi_simple_poll_get(simple_poll), (AvahiClientFlags)0, client_callback, this, &error)))
			throw SnapException("BrowseAvahi - Failed to create client: " + std::string(avahi_strerror(error)));

		/* Create the service browser */
		if (!(sb_ = avahi_service_browser_new(client_, AVAHI_IF_UNSPEC, AVAHI_PROTO_INET, serviceName.c_str(), NULL, (AvahiLookupFlags)0, browse_callback, this)))
			throw SnapException("BrowseAvahi - Failed to create service browser: " + std::string(avahi_strerror(avahi_client_errno(client_))));

		result_.valid_ = false;
		while (timeout > 0)
		{
			avahi_simple_poll_iterate(simple_poll, 100);
			timeout -= 100;
			if (result_.valid_)
			{
				result = result_;
				cleanUp();
				return true;
			}
		}

		cleanUp();
		return false;
	}
	catch (...)
	{
		cleanUp();
		throw;
	}
}
	void CommunicationManager::run() {
		AvahiClient *client = NULL;
		int error;
		struct timeval tv;

		/* Allocate main loop object */
		if (!(simplePoll = avahi_simple_poll_new())) {
			LoggerUtil_error(logger, "Failed to create simple poll object.\n");
		} else {
			name = avahi_strdup("Ginga Multimodal Event");

			/* Allocate a new client */
			client = avahi_client_new(avahi_simple_poll_get(simplePoll),
					(AvahiClientFlags)0, clientCallback, NULL, &error);

			/* Check whether creating the client object succeeded */
			if (!client) {
				LoggerUtil_error(logger, "Failed to create client: " <<
						avahi_strerror(error));
			} else {
				// Entra num loop para ficar aceitando conexões e recebendo
				// um xml em cada conexão estabelecida.
				startSocket();
				/* Run the main loop */
//				avahi_simple_poll_loop(simplePoll);
			}
		}

		/* Cleanup things */
		if (client) {
			avahi_client_free(client);
		}

		if (simplePoll) {
			avahi_simple_poll_free(simplePoll);
		}

		avahi_free(name);
	}
예제 #20
0
int launchRegisterService(const char* nameService) {

	printf("Name of Service to add = %s\n", nameService);

    //AvahiClient *client = NULL;
    int error;
    int ret = 1;
    struct timeval tv;

    /* Allocate main loop object */
    if (!(simple_poll = avahi_simple_poll_new())) {
        fprintf(stderr, "Failed to create simple poll object.\n");
        return 0;
    }

//	char host_name[256];
//	gethostname(host_name, sizeof(host_name));

	name = avahi_strdup(nameService);

    /* Allocate a new client */
    client = avahi_client_new(avahi_simple_poll_get(simple_poll), (AvahiClientFlags)0, client_callback, NULL, &error);

    /* Check wether creating the client object succeeded */
    if (!client) {
        fprintf(stderr, "Failed to create client: %s\n", avahi_strerror(error));
        return 0;
    }


	//pthread_t myNewThread;
	if(!pthread_create(&myNewThread, NULL, registerService, simple_poll))
		printf("thread was created\n");
	else
		printf("New thread not created\n");

	return 1;
}
예제 #21
0
파일: mod_dnssd.c 프로젝트: datr/mod_dnssd
/** cnames should be a NULL-terminated array of alias hostnames for this host.
  * Example invocation:  const char * cnames = {"foo.local", "bar.local", NULL}; PublishAvahiCNames(cnames);  
  * Note that this function normally does not ever return!
  */
void PublishAvahiCNames(const char ** cnames)
{
    struct runtime_data r;

   _cnames = cnames;

   /* Allocate main loop object */
   _poll = avahi_simple_poll_new();
   if (_poll)
   {
      int error;
      AvahiClient * client = avahi_client_new(avahi_simple_poll_get(_poll), (AvahiClientFlags) 0, client_cnames_callback, NULL, &error);
      if (client)
      {
         avahi_simple_poll_loop(_poll);
         avahi_client_free(client);
      }
      else ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "Failed to create Avahi client: %s", avahi_strerror(error));

      avahi_simple_poll_free(_poll);
   }
   else ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "Failed to create Avahi simple poll object.");
}
예제 #22
0
void Avahi::avahiDiscovery() {
	int error;

	/* Allocate main loop object */
	if (!(simple_discovery_poll = avahi_simple_poll_new())) {
		std::cerr << "Failed to create simple poll object." << std::endl;
	}

	/* Allocate a new client */
	discoveryClient = avahi_client_new(avahi_simple_poll_get(simple_discovery_poll), (AvahiClientFlags)0, client_discovery_callback, NULL, &error);

	/* Check whether creating the client object succeeded */
	if (!discoveryClient) {
		std::cerr << "Failed to create client: " <<  avahi_strerror(error) << std::endl;
	}

	/* Create the service browser */
	if (!(sb = avahi_service_browser_new(discoveryClient, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_heatSync._tcp", NULL, (AvahiLookupFlags)0, browse_callback, discoveryClient))) {
		std::cerr << "Failed to create service browser: " << avahi_strerror(avahi_client_errno(discoveryClient)) << std::endl;
	}
	/* Run the main loop */
	avahi_simple_poll_loop(simple_discovery_poll);
}
예제 #23
0
bool ofxAvahiClientBrowser::lookup(const string& type){
	int err;
	//struct timeval tv;

	if (!(poll = avahi_simple_poll_new())) {
		ofLogError(LOG_NAME) << "Failed to create simple poll object";
		return false;
	}

	client = avahi_client_new(avahi_simple_poll_get(poll),(AvahiClientFlags)0,(AvahiClientCallback)&client_cb,this,&err);

	if(!client){
		ofLogError(LOG_NAME) << "Failed to create avahi client" << avahi_strerror(err);
		close();
		return false;
	}

	avahi_service_browser_new(client,AVAHI_IF_UNSPEC,AVAHI_PROTO_INET,type.c_str(),NULL,(AvahiLookupFlags)0,(AvahiServiceBrowserCallback)service_browser_cb,this);

	startThread(true,false);

	return true;
}
예제 #24
0
void PublishAvahi::publish(const std::vector<mDNSService>& services)
{
	services_ = services;

	/// Allocate main loop object
	if (!(simple_poll = avahi_simple_poll_new()))
	{
		///TODO: error handling
		logE << "Failed to create simple poll object.\n";
	}

	/// Allocate a new client
	int error;
	client_ = avahi_client_new(avahi_simple_poll_get(simple_poll), AVAHI_CLIENT_IGNORE_USER_CONFIG, client_callback, this, &error);

	/// Check wether creating the client object succeeded
	if (!client_)
	{
		logE << "Failed to create client: " << avahi_strerror(error) << "\n";
	}

	active_ = true;
	pollThread_ = std::thread(&PublishAvahi::worker, this);
}
예제 #25
0
파일: dnssd.c 프로젝트: zdohnal/cups
int					/* O - Exit status */
main(int  argc,				/* I - Number of command-line args */
     char *argv[])			/* I - Command-line arguments */
{
  const char	*name;			/* Backend name */
  cups_array_t	*devices;		/* Device array */
  cups_device_t	*device;		/* Current device */
  char		uriName[1024];		/* Unquoted fullName for URI */
#ifdef HAVE_DNSSD
  int		fd;			/* Main file descriptor */
  fd_set	input;			/* Input set for select() */
  struct timeval timeout;		/* Timeout for select() */
  DNSServiceRef	main_ref,		/* Main service reference */
		fax_ipp_ref,		/* IPP fax service reference */
		ipp_ref,		/* IPP service reference */
		ipp_tls_ref,		/* IPP w/TLS service reference */
		ipps_ref,		/* IPP service reference */
		local_fax_ipp_ref,	/* Local IPP fax service reference */
		local_ipp_ref,		/* Local IPP service reference */
		local_ipp_tls_ref,	/* Local IPP w/TLS service reference */
		local_ipps_ref,		/* Local IPP service reference */
		local_printer_ref,	/* Local LPD service reference */
		pdl_datastream_ref,	/* AppSocket service reference */
		printer_ref,		/* LPD service reference */
		riousbprint_ref;	/* Remote IO service reference */
#endif /* HAVE_DNSSD */
#ifdef HAVE_AVAHI
  AvahiClient	*client;		/* Client information */
  int		error;			/* Error code, if any */
#endif /* HAVE_AVAHI */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
  struct sigaction action;		/* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */


 /*
  * Don't buffer stderr, and catch SIGTERM...
  */

  setbuf(stderr, NULL);

#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
  sigset(SIGTERM, sigterm_handler);
#elif defined(HAVE_SIGACTION)
  memset(&action, 0, sizeof(action));

  sigemptyset(&action.sa_mask);
  action.sa_handler = sigterm_handler;
  sigaction(SIGTERM, &action, NULL);
#else
  signal(SIGTERM, sigterm_handler);
#endif /* HAVE_SIGSET */

 /*
  * Check command-line...
  */

  if (argc >= 6)
    exec_backend(argv);
  else if (argc != 1)
  {
    _cupsLangPrintf(stderr,
                    _("Usage: %s job-id user title copies options [file]"),
		    argv[0]);
    return (1);
  }

 /*
  * Only do discovery when run as "dnssd"...
  */

  if ((name = strrchr(argv[0], '/')) != NULL)
    name ++;
  else
    name = argv[0];

  if (strcmp(name, "dnssd"))
    return (0);

 /*
  * Create an array to track devices...
  */

  devices = cupsArrayNew((cups_array_func_t)compare_devices, NULL);

 /*
  * Browse for different kinds of printers...
  */

#ifdef HAVE_DNSSD
  if (DNSServiceCreateConnection(&main_ref) != kDNSServiceErr_NoError)
  {
    perror("ERROR: Unable to create service connection");
    return (1);
  }

  fd = DNSServiceRefSockFD(main_ref);

  fax_ipp_ref = main_ref;
  DNSServiceBrowse(&fax_ipp_ref, kDNSServiceFlagsShareConnection, 0,
                   "_fax-ipp._tcp", NULL, browse_callback, devices);

  ipp_ref = main_ref;
  DNSServiceBrowse(&ipp_ref, kDNSServiceFlagsShareConnection, 0,
                   "_ipp._tcp", NULL, browse_callback, devices);

  ipp_tls_ref = main_ref;
  DNSServiceBrowse(&ipp_tls_ref, kDNSServiceFlagsShareConnection, 0,
                   "_ipp-tls._tcp", NULL, browse_callback, devices);

  ipps_ref = main_ref;
  DNSServiceBrowse(&ipps_ref, kDNSServiceFlagsShareConnection, 0,
                   "_ipps._tcp", NULL, browse_callback, devices);

  local_fax_ipp_ref = main_ref;
  DNSServiceBrowse(&local_fax_ipp_ref, kDNSServiceFlagsShareConnection,
                   kDNSServiceInterfaceIndexLocalOnly,
		   "_fax-ipp._tcp", NULL, browse_local_callback, devices);

  local_ipp_ref = main_ref;
  DNSServiceBrowse(&local_ipp_ref, kDNSServiceFlagsShareConnection,
                   kDNSServiceInterfaceIndexLocalOnly,
		   "_ipp._tcp", NULL, browse_local_callback, devices);

  local_ipp_tls_ref = main_ref;
  DNSServiceBrowse(&local_ipp_tls_ref, kDNSServiceFlagsShareConnection,
                   kDNSServiceInterfaceIndexLocalOnly,
                   "_ipp-tls._tcp", NULL, browse_local_callback, devices);

  local_ipps_ref = main_ref;
  DNSServiceBrowse(&local_ipps_ref, kDNSServiceFlagsShareConnection,
                   kDNSServiceInterfaceIndexLocalOnly,
		   "_ipps._tcp", NULL, browse_local_callback, devices);

  local_printer_ref = main_ref;
  DNSServiceBrowse(&local_printer_ref, kDNSServiceFlagsShareConnection,
                   kDNSServiceInterfaceIndexLocalOnly,
                   "_printer._tcp", NULL, browse_local_callback, devices);

  pdl_datastream_ref = main_ref;
  DNSServiceBrowse(&pdl_datastream_ref, kDNSServiceFlagsShareConnection, 0,
                   "_pdl-datastream._tcp", NULL, browse_callback, devices);

  printer_ref = main_ref;
  DNSServiceBrowse(&printer_ref, kDNSServiceFlagsShareConnection, 0,
                   "_printer._tcp", NULL, browse_callback, devices);

  riousbprint_ref = main_ref;
  DNSServiceBrowse(&riousbprint_ref, kDNSServiceFlagsShareConnection, 0,
                   "_riousbprint._tcp", NULL, browse_callback, devices);
#endif /* HAVE_DNSSD */

#ifdef HAVE_AVAHI
  if ((simple_poll = avahi_simple_poll_new()) == NULL)
  {
    fputs("DEBUG: Unable to create Avahi simple poll object.\n", stderr);
    return (0);
  }

  avahi_simple_poll_set_func(simple_poll, poll_callback, NULL);

  client = avahi_client_new(avahi_simple_poll_get(simple_poll),
			    0, client_callback, simple_poll, &error);
  if (!client)
  {
    fputs("DEBUG: Unable to create Avahi client.\n", stderr);
    return (0);
  }

  browsers = 6;
  avahi_service_browser_new(client, AVAHI_IF_UNSPEC,
			    AVAHI_PROTO_UNSPEC,
			    "_fax-ipp._tcp", NULL, 0,
			    browse_callback, devices);
  avahi_service_browser_new(client, AVAHI_IF_UNSPEC,
			    AVAHI_PROTO_UNSPEC,
			    "_ipp._tcp", NULL, 0,
			    browse_callback, devices);
  avahi_service_browser_new(client, AVAHI_IF_UNSPEC,
			    AVAHI_PROTO_UNSPEC,
			    "_ipp-tls._tcp", NULL, 0,
			    browse_callback, devices);
  avahi_service_browser_new(client, AVAHI_IF_UNSPEC,
			    AVAHI_PROTO_UNSPEC,
			    "_ipps._tcp", NULL, 0,
			    browse_callback, devices);
  avahi_service_browser_new(client, AVAHI_IF_UNSPEC,
			    AVAHI_PROTO_UNSPEC,
			    "_pdl-datastream._tcp",
			    NULL, 0,
			    browse_callback,
			    devices);
  avahi_service_browser_new(client, AVAHI_IF_UNSPEC,
			    AVAHI_PROTO_UNSPEC,
			    "_printer._tcp", NULL, 0,
			    browse_callback, devices);
#endif /* HAVE_AVAHI */

 /*
  * Loop until we are killed...
  */

  while (!job_canceled)
  {
    int announce = 0;			/* Announce printers? */

#ifdef HAVE_DNSSD
    FD_ZERO(&input);
    FD_SET(fd, &input);

    timeout.tv_sec  = 0;
    timeout.tv_usec = 500000;

    if (select(fd + 1, &input, NULL, NULL, &timeout) < 0)
      continue;

    if (FD_ISSET(fd, &input))
    {
     /*
      * Process results of our browsing...
      */

      DNSServiceProcessResult(main_ref);
    }
    else
      announce = 1;

#elif defined(HAVE_AVAHI)
    got_data = 0;

    if ((error = avahi_simple_poll_iterate(simple_poll, 500)) > 0)
    {
     /*
      * We've been told to exit the loop.  Perhaps the connection to
      * Avahi failed.
      */

      break;
    }

    if (!got_data)
      announce = 1;
#endif /* HAVE_DNSSD */

/*    fprintf(stderr, "DEBUG: announce=%d\n", announce);*/

    if (announce)
    {
     /*
      * Announce any devices we've found...
      */

#ifdef HAVE_DNSSD
      DNSServiceErrorType status;	/* DNS query status */
#endif /* HAVE_DNSSD */
      cups_device_t *best;		/* Best matching device */
      char	device_uri[1024];	/* Device URI */
      int	count;			/* Number of queries */
      int	sent;			/* Number of sent */

      for (device = (cups_device_t *)cupsArrayFirst(devices),
               best = NULL, count = 0, sent = 0;
           device;
	   device = (cups_device_t *)cupsArrayNext(devices))
      {
        if (device->sent)
	  sent ++;

        if (device->ref)
	  count ++;

        if (!device->ref && !device->sent)
	{
	 /*
	  * Found the device, now get the TXT record(s) for it...
	  */

          if (count < 50)
	  {
	    fprintf(stderr, "DEBUG: Querying \"%s\"...\n", device->fullName);

#ifdef HAVE_DNSSD
	    device->ref = main_ref;

	    status = DNSServiceQueryRecord(&(device->ref),
				           kDNSServiceFlagsShareConnection,
				           0, device->fullName,
					   kDNSServiceType_TXT,
				           kDNSServiceClass_IN, query_callback,
				           device);
            if (status != kDNSServiceErr_NoError)
	      fprintf(stderr,
	              "ERROR: Unable to query \"%s\" for TXT records: %d\n",
	              device->fullName, status);
	              			/* Users never see this */
	    else
	      count ++;

#else
	    if ((device->ref = avahi_record_browser_new(client, AVAHI_IF_UNSPEC,
	                                                AVAHI_PROTO_UNSPEC,
	                                                device->fullName,
	                                                AVAHI_DNS_CLASS_IN,
	                                                AVAHI_DNS_TYPE_TXT,
	                                                0,
				                        query_callback,
				                        device)) == NULL)
	      fprintf(stderr,
	              "ERROR: Unable to query \"%s\" for TXT records: %s\n",
	              device->fullName,
	              avahi_strerror(avahi_client_errno(client)));
	              			/* Users never see this */
	    else
	      count ++;
#endif /* HAVE_AVAHI */
          }
	}
	else if (!device->sent)
	{
#ifdef HAVE_DNSSD
	 /*
	  * Got the TXT records, now report the device...
	  */

	  DNSServiceRefDeallocate(device->ref);
#else
          avahi_record_browser_free(device->ref);
#endif /* HAVE_DNSSD */

	  device->ref = NULL;

          if (!best)
	    best = device;
	  else if (_cups_strcasecmp(best->name, device->name) ||
	           _cups_strcasecmp(best->domain, device->domain))
          {
	    unquote(uriName, best->fullName, sizeof(uriName));

            if (best->uuid)
	      httpAssembleURIf(HTTP_URI_CODING_ALL, device_uri,
	                       sizeof(device_uri), "dnssd", NULL, uriName, 0,
			       best->cups_shared ? "/cups?uuid=%s" : "/?uuid=%s",
			       best->uuid);
	    else
	      httpAssembleURI(HTTP_URI_CODING_ALL, device_uri,
	                      sizeof(device_uri), "dnssd", NULL, uriName, 0,
			      best->cups_shared ? "/cups" : "/");

	    cupsBackendReport("network", device_uri, best->make_and_model,
	                      best->name, best->device_id, NULL);
	    best->sent = 1;
	    best       = device;

	    sent ++;
	  }
	  else if (best->priority > device->priority ||
	           (best->priority == device->priority &&
		    best->type < device->type))
          {
	    best->sent = 1;
	    best       = device;

	    sent ++;
	  }
	  else
	  {
	    device->sent = 1;

	    sent ++;
	  }
        }
      }

      if (best)
      {
	unquote(uriName, best->fullName, sizeof(uriName));

	if (best->uuid)
	  httpAssembleURIf(HTTP_URI_CODING_ALL, device_uri,
			   sizeof(device_uri), "dnssd", NULL, uriName, 0,
			   best->cups_shared ? "/cups?uuid=%s" : "/?uuid=%s",
			   best->uuid);
	else
	  httpAssembleURI(HTTP_URI_CODING_ALL, device_uri,
			  sizeof(device_uri), "dnssd", NULL, uriName, 0,
			  best->cups_shared ? "/cups" : "/");

	cupsBackendReport("network", device_uri, best->make_and_model,
			  best->name, best->device_id, NULL);
	best->sent = 1;
	sent ++;
      }

      fprintf(stderr, "DEBUG: sent=%d, count=%d\n", sent, count);

#ifdef HAVE_AVAHI
      if (sent == cupsArrayCount(devices) && browsers == 0)
#else
      if (sent == cupsArrayCount(devices))
#endif /* HAVE_AVAHI */
	break;
    }
  }

  return (CUPS_BACKEND_OK);
}
예제 #26
0
/* The main function of the background daemon */
static int daemon_proc(const char *host_file, const char *lock_file, int n_slots) {
    int ret = 1;
    int lock_fd = -1;
    struct daemon_data d;
    time_t clip_time;
    int error;
    char machine[64], version[64], stype[128];

    rs_add_logger(rs_logger_syslog, RS_LOG_DEBUG, NULL, 0);

    /* Prepare daemon data structure */
    d.fd = -1;
    d.hosts = NULL;
    d.n_slots = n_slots;
    d.simple_poll = NULL;
    d.browser = NULL;
    d.client = NULL;
    clip_time = time(NULL);

    rs_log_info("Zeroconf daemon running.\n");

    /* Open daemon lock file and lock it */
    if ((lock_fd = open(lock_file, O_RDWR|O_CREAT, 0666)) < 0) {
        rs_log_crit("open('%s') failed: %s\n", lock_file, strerror(errno));
        goto finish;
    }

    if (generic_lock(lock_fd, 1, 1, 0) < 0) {
        /* lock failed, there's probably already another daemon running */
        goto finish;
    }

    /* Open host file */
    if ((d.fd = open(host_file, O_RDWR|O_CREAT, 0666)) < 0) {
        rs_log_crit("open('%s') failed: %s\n", host_file, strerror(errno));
        goto finish;
    }

    /* Clear host file */
    write_hosts(&d);

    if (!(d.simple_poll = avahi_simple_poll_new())) {
        rs_log_crit("Failed to create simple poll object.\n");
        goto finish;
    }

    if (!(d.client = avahi_client_new(
                  avahi_simple_poll_get(d.simple_poll),
                  0,
                  client_callback,
                  &d,
                  &error))) {
        rs_log_crit("Failed to create Avahi client object: %s\n", avahi_strerror(error));
        goto finish;
    }

    if (dcc_get_gcc_version(version, sizeof(version)) &&
        dcc_get_gcc_machine(machine, sizeof(machine))) {

        dcc_make_dnssd_subtype(stype, sizeof(stype), version, machine);
    } else {
        rs_log_warning("Warning, failed to get CC version and machine type.\n");

        strncpy(stype, DCC_DNS_SERVICE_TYPE, sizeof(stype));
        stype[sizeof(stype)-1] = 0;
    }

    rs_log_info("Browsing for '%s'.\n", stype);

    if (!(d.browser = avahi_service_browser_new(
                  d.client,
                  AVAHI_IF_UNSPEC,
                  AVAHI_PROTO_UNSPEC,
                  stype,
                  NULL,
                  0,
                  browse_reply,
                  &d))) {
        rs_log_crit("Failed to create service browser object: %s\n", avahi_strerror(avahi_client_errno(d.client)));
        goto finish;
    }

    /* Check whether the host file has been used recently */
    while (fd_last_used(d.fd, clip_time) <= MAX_IDLE_TIME) {

        /* Iterate the main loop for 5s */
        if (avahi_simple_poll_iterate(d.simple_poll, 5000) != 0) {
            rs_log_crit("Event loop exited abnormaly.\n");
            goto finish;
        }
    }

    /* Wer are idle */
    rs_log_info("Zeroconf daemon unused.\n");

    ret = 0;

finish:

    /* Cleanup */
    if (lock_fd >= 0) {
        generic_lock(lock_fd, 1, 0, 0);
        close(lock_fd);
    }

    if (d.fd >= 0)
        close(d.fd);

    while (d.hosts) {
        struct host *h = d.hosts;
        d.hosts = d.hosts->next;
        free_host(h);
    }

    if (d.client)
        avahi_client_free(d.client);

    if (d.simple_poll)
        avahi_simple_poll_free(d.simple_poll);

    rs_log_info("zeroconf daemon ended.\n");

    return ret;
}
예제 #27
0
파일: main.c 프로젝트: Dessperado/avahi
static int run_server(DaemonConfig *c) {
    int r = -1;
    int error;
    const AvahiPoll *poll_api = NULL;
    AvahiWatch *sig_watch = NULL;
    int retval_is_sent = 0;
#ifdef HAVE_INOTIFY
    AvahiWatch *inotify_watch = NULL;
#endif
#ifdef HAVE_KQUEUE
    int i;
    AvahiWatch *kqueue_watch = NULL;
#endif

    assert(c);

    ignore_signal(SIGPIPE);

    if (!(nss_support = avahi_nss_support()))
        avahi_log_warn("WARNING: No NSS support for mDNS detected, consider installing nss-mdns!");

    if (!(simple_poll_api = avahi_simple_poll_new())) {
        avahi_log_error("Failed to create main loop object.");
        goto finish;
    }

    poll_api = avahi_simple_poll_get(simple_poll_api);

    if (daemon_signal_init(SIGINT, SIGHUP, SIGTERM, SIGUSR1, 0) < 0) {
        avahi_log_error("Could not register signal handlers (%s).", strerror(errno));
        goto finish;
    }

    if (!(sig_watch = poll_api->watch_new(poll_api, daemon_signal_fd(), AVAHI_WATCH_IN, signal_callback, simple_poll_api))) {
        avahi_log_error( "Failed to create signal watcher");
        goto finish;
    }

    if (simple_protocol_setup(poll_api) < 0)
        goto finish;

#ifdef HAVE_DBUS
    if (c->enable_dbus) {
        if (dbus_protocol_setup(poll_api,
                                config.disable_user_service_publishing,
                                config.n_clients_max,
                                config.n_objects_per_client_max,
                                config.n_entries_per_entry_group_max,
                                !c->fail_on_missing_dbus
#ifdef ENABLE_CHROOT
                                && !config.use_chroot
#endif
            ) < 0) {

            avahi_log_warn("WARNING: Failed to contact D-Bus daemon.");

            if (c->fail_on_missing_dbus)
                goto finish;
        }
    }
#endif

#ifdef ENABLE_CHROOT

    if (config.drop_root && config.use_chroot) {
        if (chroot(AVAHI_CONFIG_DIR) < 0) {
            avahi_log_error("Failed to chroot(): %s", strerror(errno));
            goto finish;
        }

        avahi_log_info("Successfully called chroot().");
        chdir("/");

        if (avahi_caps_drop_all() < 0) {
            avahi_log_error("Failed to drop capabilities.");
            goto finish;
        }
        avahi_log_info("Successfully dropped remaining capabilities.");
    }

#endif

#ifdef HAVE_INOTIFY
    if ((inotify_fd = inotify_init()) < 0)
        avahi_log_warn( "Failed to initialize inotify: %s", strerror(errno));
    else {
        add_inotify_watches();

        if (!(inotify_watch = poll_api->watch_new(poll_api, inotify_fd, AVAHI_WATCH_IN, inotify_callback, NULL))) {
            avahi_log_error( "Failed to create inotify watcher");
            goto finish;
        }
    }
#endif

#ifdef HAVE_KQUEUE
    if ((kq = kqueue()) < 0)
        avahi_log_warn( "Failed to initialize kqueue: %s", strerror(errno));
    else {
        add_kqueue_watches();

        if (!(kqueue_watch = poll_api->watch_new(poll_api, kq, AVAHI_WATCH_IN, kqueue_callback, NULL))) {
            avahi_log_error( "Failed to create kqueue watcher");
            goto finish;
        }
    }
#endif

    load_resolv_conf();
#ifdef ENABLE_CHROOT
    static_service_load(config.use_chroot);
    static_hosts_load(config.use_chroot);
#else
    static_service_load(0);
    static_hosts_load(0);
#endif

    if (!(avahi_server = avahi_server_new(poll_api, &c->server_config, server_callback, c, &error))) {
        avahi_log_error("Failed to create server: %s", avahi_strerror(error));
        goto finish;
    }

    update_wide_area_servers();
    update_browse_domains();

    if (c->daemonize) {
        daemon_retval_send(0);
        retval_is_sent = 1;
    }

    for (;;) {
        if ((r = avahi_simple_poll_iterate(simple_poll_api, -1)) < 0) {

            /* We handle signals through an FD, so let's continue */
            if (errno == EINTR)
                continue;

            avahi_log_error("poll(): %s", strerror(errno));
            goto finish;
        } else if (r > 0)
            /* Quit */
            break;
    }

    r = 0;

finish:

    static_service_remove_from_server();
    static_service_free_all();

    static_hosts_remove_from_server();
    static_hosts_free_all();

    remove_dns_server_entry_groups();

    simple_protocol_shutdown();

#ifdef HAVE_DBUS
    if (c->enable_dbus)
        dbus_protocol_shutdown();
#endif

    if (avahi_server) {
        avahi_server_free(avahi_server);
        avahi_server = NULL;
    }

    daemon_signal_done();

    if (sig_watch)
        poll_api->watch_free(sig_watch);

#ifdef HAVE_INOTIFY
    if (inotify_watch)
        poll_api->watch_free(inotify_watch);
    if (inotify_fd >= 0)
        close(inotify_fd);
#endif

#ifdef HAVE_KQUEUE
    if (kqueue_watch)
        poll_api->watch_free(kqueue_watch);
    if (kq >= 0)
        close(kq);
    for (i = 0; i < num_kfds; i++) {
        if (kfds[i] >= 0)
            close(kfds[i]);
    }
#endif

    if (simple_poll_api) {
        avahi_simple_poll_free(simple_poll_api);
        simple_poll_api = NULL;
    }

    if (!retval_is_sent && c->daemonize)
        daemon_retval_send(1);

    return r;
}
예제 #28
0
wxAvahiSimplePool::wxAvahiSimplePool():
wxAvahiPool()
{
    m_pool = avahi_simple_poll_new();
}
예제 #29
0
int main(int argc, char *argv[]) {
    int ret = 1, error;
    Config config;
    const char *argv0;

    if ((argv0 = strrchr(argv[0], '/')))
        argv0++;
    else
        argv0 = argv[0];

    if (parse_command_line(&config, argv0, argc, argv) < 0)
        goto fail;

    switch (config.command) {
        case COMMAND_UNSPEC:
            ret = 1;
            fprintf(stderr, "No command specified.\n");
            break;
            
        case COMMAND_HELP:
            help(stdout, argv0);
            ret = 0;
            break;
            
        case COMMAND_VERSION:
            printf("%s "PACKAGE_VERSION"\n", argv0);
            ret = 0;
            break;

        case COMMAND_PUBLISH_SERVICE:
        case COMMAND_PUBLISH_ADDRESS:
            
            if (!(simple_poll = avahi_simple_poll_new())) {
                fprintf(stderr, "Failed to create simple poll object.\n");
                goto fail;
            }
            
            if (sigint_install(simple_poll) < 0)
                goto fail;
            
            if (!(client = avahi_client_new(avahi_simple_poll_get(simple_poll), config.no_fail ? AVAHI_CLIENT_NO_FAIL : 0, client_callback, &config, &error))) {
                fprintf(stderr, "Failed to create client object: %s\n", avahi_strerror(error));
                goto fail;
            }

            if (avahi_client_get_state(client) != AVAHI_CLIENT_CONNECTING && config.verbose) {
                const char *version, *hn;

                if (!(version = avahi_client_get_version_string(client))) {
                    fprintf(stderr, "Failed to query version string: %s\n", avahi_strerror(avahi_client_errno(client)));
                    goto fail;
                }

                if (!(hn = avahi_client_get_host_name_fqdn(client))) {
                    fprintf(stderr, "Failed to query host name: %s\n", avahi_strerror(avahi_client_errno(client)));
                    goto fail;
                }
                
                fprintf(stderr, "Server version: %s; Host name: %s\n", version, hn);
            }

            avahi_simple_poll_loop(simple_poll);
            ret = 0;
            break;
    }
    
fail:

    if (client)
        avahi_client_free(client);

    sigint_uninstall();
    
    if (simple_poll)
        avahi_simple_poll_free(simple_poll);

    avahi_free(config.host);
    avahi_free(config.name);
    avahi_free(config.stype);
    avahi_free(config.domain);
    avahi_string_list_free(config.subtypes);
    avahi_string_list_free(config.txt);

    return ret;
}
예제 #30
0
int main(int argc, char *argv[]) {
    int ret = 1, error;
    Config config;
    const char *argv0;

    avahi_init_i18n();
    setlocale(LC_ALL, "");

    if ((argv0 = strrchr(argv[0], '/')))
        argv0++;
    else
        argv0 = argv[0];

    if (parse_command_line(&config, argv0, argc, argv) < 0)
        goto fail;

    switch (config.command) {
        case COMMAND_UNSPEC:
            ret = 1;
            fprintf(stderr, _("No command specified.\n"));
            break;

        case COMMAND_HELP:
            help(stdout, argv0);
            ret = 0;
            break;

        case COMMAND_VERSION:
            printf("%s "PACKAGE_VERSION"\n", argv0);
            ret = 0;
            break;

        case COMMAND_RESOLVE_HOST_NAME:
        case COMMAND_RESOLVE_ADDRESS: {
            int i;

            if (!(simple_poll = avahi_simple_poll_new())) {
                fprintf(stderr, _("Failed to create simple poll object.\n"));
                goto fail;
            }

            if (sigint_install(simple_poll) < 0)
                goto fail;

            if (!(client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error))) {
                fprintf(stderr, _("Failed to create client object: %s\n"), avahi_strerror(error));
                goto fail;
            }

            if (config.verbose) {
                const char *version, *hn;

                if (!(version = avahi_client_get_version_string(client))) {
                    fprintf(stderr, _("Failed to query version string: %s\n"), avahi_strerror(avahi_client_errno(client)));
                    goto fail;
                }

                if (!(hn = avahi_client_get_host_name_fqdn(client))) {
                    fprintf(stderr, _("Failed to query host name: %s\n"), avahi_strerror(avahi_client_errno(client)));
                    goto fail;
                }

                fprintf(stderr, _("Server version: %s; Host name: %s\n"), version, hn);
            }

            n_resolving = 0;

            for (i = optind; i < argc; i++) {

                if (config.command == COMMAND_RESOLVE_HOST_NAME) {

                    if (!(avahi_host_name_resolver_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, argv[i], config.proto, 0, host_name_resolver_callback, NULL))) {
                        fprintf(stderr, _("Failed to create host name resolver: %s\n"), avahi_strerror(avahi_client_errno(client)));
                        goto fail;
                    }

                } else {
                    AvahiAddress a;

                    assert(config.command == COMMAND_RESOLVE_ADDRESS);

                    if (!avahi_address_parse(argv[i], AVAHI_PROTO_UNSPEC, &a)) {
                        fprintf(stderr, _("Failed to parse address '%s'\n"), argv[i]);
                        goto fail;
                    }

                    if (!(avahi_address_resolver_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, &a, 0, address_resolver_callback, NULL))) {
                        fprintf(stderr, _("Failed to create address resolver: %s\n"), avahi_strerror(avahi_client_errno(client)));
                        goto fail;
                    }
                }

                n_resolving++;
            }

            avahi_simple_poll_loop(simple_poll);
            ret = 0;
            break;
        }
    }

fail:

    if (client)
        avahi_client_free(client);

    sigint_uninstall();

    if (simple_poll)
        avahi_simple_poll_free(simple_poll);

    return ret;
}