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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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 */
}
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);
}
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;
}
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 ;
}
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);
}
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;
}
/** 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.");
}
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);
}
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;
}
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);
}
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);
}
/* 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;
}
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;
}
wxAvahiSimplePool::wxAvahiSimplePool():
wxAvahiPool()
{
m_pool = avahi_simple_poll_new();
}
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;
}
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;
}
