JNIEXPORT jint JNICALL Java_avahi4j_Address(JNIEnv *e, jobject t, jlong ptr){
AvahiAddress *address = (AvahiAddress *) (uintptr_t) ptr;
jstring jaddress;
jint protocol;
// get the field IDs for both the address and protocol fields
if (address_field==NULL){
jclass cls = (*e)->GetObjectClass(e, t);
address_field = (*e)->GetFieldID(e, cls, "address", "Ljava/lang/String;");
if(address_field==NULL){
THROW_EXCEPTION(e, JNI_EXCP, "Unable to find the address field");
return 0;
}
}
// set address member
if(address->proto==AVAHI_PROTO_INET){
char nice_address[AVAHI_ADDRESS_STR_MAX];
avahi_address_snprint(nice_address, AVAHI_ADDRESS_STR_MAX, address);
jaddress = (*e)->NewStringUTF(e,nice_address);
(*e)->SetObjectField(e, t, address_field, jaddress);
} else if(address->proto==AVAHI_PROTO_INET6){
char nice_address[AVAHI_ADDRESS_STR_MAX];
avahi_address_snprint(nice_address, AVAHI_ADDRESS_STR_MAX, address);
jaddress = (*e)->NewStringUTF(e,nice_address);
(*e)->SetObjectField(e, t, address_field, jaddress);
}
GET_JAVA_PROTO(address->proto, protocol);
return protocol;
}
/* Write host data to host file */
static int write_hosts(struct daemon_data *d) {
struct host *h;
int r = 0;
assert(d);
rs_log_info("writing zeroconf data.\n");
if (generic_lock(d->fd, 1, 1, 1) < 0) {
rs_log_crit("lock failed: %s\n", strerror(errno));
return -1;
}
if (lseek(d->fd, 0, SEEK_SET) < 0) {
rs_log_crit("lseek() failed: %s\n", strerror(errno));
return -1;
}
if (ftruncate(d->fd, 0) < 0) {
rs_log_crit("ftruncate() failed: %s\n", strerror(errno));
return -1;
}
remove_duplicate_services(d);
for (h = d->hosts; h; h = h->next) {
char t[256], a[AVAHI_ADDRESS_STR_MAX];
if (h->resolver)
/* Not yet fully resolved */
continue;
if (h->address.proto == AVAHI_PROTO_INET6)
snprintf(t, sizeof(t), "[%s]:%u/%i\n", avahi_address_snprint(a, sizeof(a), &h->address), h->port, d->n_slots * h->n_cpus);
else
snprintf(t, sizeof(t), "%s:%u/%i\n", avahi_address_snprint(a, sizeof(a), &h->address), h->port, d->n_slots * h->n_cpus);
if (dcc_writex(d->fd, t, strlen(t)) != 0) {
rs_log_crit("write() failed: %s\n", strerror(errno));
goto finish;
}
}
r = 0;
finish:
generic_lock(d->fd, 1, 0, 1);
return r;
};
static void
_resolver_callback(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiProtocol protocol,
AvahiResolverEvent event, const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *a, uint16_t port, AvahiStringList *txt,
AvahiLookupResultFlags flags, void *userdata) {
BonjourBuddy *buddy;
PurpleAccount *account = userdata;
AvahiStringList *l;
size_t size;
char *key, *value;
int ret;
g_return_if_fail(r != NULL);
switch (event) {
case AVAHI_RESOLVER_FAILURE:
purple_debug_error("bonjour", "_resolve_callback - Failure: %s\n",
avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))));
avahi_service_resolver_free(r);
break;
case AVAHI_RESOLVER_FOUND:
/* create a buddy record */
buddy = bonjour_buddy_new(name, account);
((AvahiBuddyImplData *)buddy->mdns_impl_data)->resolver = r;
/* Get the ip as a string */
buddy->ip = g_malloc(AVAHI_ADDRESS_STR_MAX);
avahi_address_snprint(buddy->ip, AVAHI_ADDRESS_STR_MAX, a);
buddy->port_p2pj = port;
/* Obtain the parameters from the text_record */
clear_bonjour_buddy_values(buddy);
l = txt;
while (l != NULL) {
ret = avahi_string_list_get_pair(l, &key, &value, &size);
l = l->next;
if (ret < 0)
continue;
set_bonjour_buddy_value(buddy, key, value, size);
/* TODO: Since we're using the glib allocator, I think we
* can use the values instead of re-copying them */
avahi_free(key);
avahi_free(value);
}
if (!bonjour_buddy_check(buddy))
bonjour_buddy_delete(buddy);
else
/* Add or update the buddy in our buddy list */
bonjour_buddy_add_to_purple(buddy);
break;
default:
purple_debug_info("bonjour", "Unrecognized Service Resolver event: %d.\n", event);
}
}
/**
* resolver: The avahi resolver
* iface: The avahi interface
* proto: The avahi protocol
* event: the avahi event
* name: name of the service
* type: must be HKP_SERVICE_TYPE
* domain: ignored
* host_name: ignored
* address: address of the service
* port: port of the service
* txt: ignored
* flags:
* data: userdata
*
* Resolves the avahi callback (AvahiServiceResolverCallback)
*
**/
static void
resolve_callback (AvahiServiceResolver *resolver, AvahiIfIndex iface, AvahiProtocol proto,
AvahiResolverEvent event, const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *address, uint16_t port,
AvahiStringList *txt, AvahiLookupResultFlags flags, void *data)
{
BastileServiceDiscovery *ssd = BASTILE_SERVICE_DISCOVERY (data);
gchar *service_name;
gchar *service_uri;
gchar *ipname;
g_assert (BASTILE_IS_SERVICE_DISCOVERY (ssd));
switch(event) {
case AVAHI_RESOLVER_FAILURE:
g_warning ("couldn't resolve service '%s': %s", name,
avahi_strerror (avahi_client_errno (ssd->priv->client)));
break;
case AVAHI_RESOLVER_FOUND:
/* Make sure it's our type ... */
/* XXX Is the service always guaranteed to be ascii? */
if (g_ascii_strcasecmp (HKP_SERVICE_TYPE, type) != 0)
break;
#ifndef DISCOVER_THIS_HOST
/* And that it's local */
if (flags & AVAHI_LOOKUP_RESULT_LOCAL)
break;
#endif
ipname = g_new0(gchar, AVAHI_ADDRESS_STR_MAX);
avahi_address_snprint (ipname, AVAHI_ADDRESS_STR_MAX, address);
service_uri = g_strdup_printf ("hkp://%s:%d", ipname, (int)port);
service_name = g_strdup (name);
g_hash_table_replace (ssd->services, service_name, service_uri);
g_signal_emit (ssd, signals[ADDED], 0, service_name);
/* Add it to the context */
if (!bastile_context_remote_source (SCTX_APP (), service_uri)) {
BastileServerSource *ssrc = bastile_server_source_new (service_uri);
g_return_if_fail (ssrc != NULL);
bastile_context_add_source (SCTX_APP (), BASTILE_SOURCE (ssrc));
}
DEBUG_DNSSD (("DNS-SD added: %s %s\n", service_name, service_uri));
break;
default:
break;
};
/* One result is enough for us */
avahi_service_resolver_free (resolver);
}
void Browser::updateService(const char *name,
const char *host_name,
const AvahiAddress *a,
uint16_t port,
AvahiStringList *txt) {
// Find the service in our list
Browser::Service s(name);
auto it = std::lower_bound(services_.begin(), services_.end(), s);
if (it == services_.end() || it->service_name != name) {
return;
}
Browser::Service &svc = *it;
auto index = createIndex(it - services_.begin(), 0);
svc.host_name = host_name;
char addr[AVAHI_ADDRESS_STR_MAX];
avahi_address_snprint(addr, sizeof(addr), a);
svc.address = addr;
svc.port = port;
svc.txt.clear();
for (auto item = txt; item != nullptr; item = avahi_string_list_get_next(item)) {
// TODO: this probably isn't actually UTF-8
svc.txt.push_front(
QString::fromUtf8(
reinterpret_cast<const char*>(avahi_string_list_get_text(item)),
avahi_string_list_get_size(item)));
}
Q_EMIT dataChanged(index, index);
}
static void sib_controller_resolver_found( GaServiceResolver *context,
gint interface,
gint protocol,
gchar *name,
gchar *type,
gchar *domain,
gchar *host_name,
AvahiAddress *avahi_address,
gint port,
AvahiStringList *txt,
gint flags,
gpointer userdata)
{
whiteboard_log_debug_fb();
SIBController *self = (SIBController *)userdata;
g_return_if_fail( self!= NULL);
SIBServerData *ssdata = NULL;
ssdata = sib_controller_get_service(self, (guchar *)name);
if(ssdata)
{
ssdata->ip = g_new0(gchar, AVAHI_ADDRESS_STR_MAX);
avahi_address_snprint(ssdata->ip, AVAHI_ADDRESS_STR_MAX*sizeof(gchar), avahi_address);
ssdata->name = (guchar *)g_strdup(host_name);
ssdata->port = port;
whiteboard_log_debug("Service %s resolved: %s, %d\n", name, ssdata->ip, port);
self->listener( SIBDeviceStatusAdded, ssdata, self->listener_data );
}
whiteboard_log_debug_fe();
}
void CZeroconfBrowserAvahi::resolveCallback(
AvahiServiceResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event,
const char *name, const char *type, const char *domain, const char *host_name,
const AvahiAddress *address, uint16_t port, AvahiStringList *txt, AvahiLookupResultFlags flags, void* userdata )
{
assert ( r );
assert ( userdata );
CZeroconfBrowserAvahi* p_instance = static_cast<CZeroconfBrowserAvahi*> ( userdata );
switch ( event )
{
case AVAHI_RESOLVER_FAILURE:
CLog::Log ( LOGERROR, "CZeroconfBrowserAvahi::resolveCallback Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror ( avahi_client_errno ( avahi_service_resolver_get_client ( r ) ) ) );
break;
case AVAHI_RESOLVER_FOUND:
{
char a[AVAHI_ADDRESS_STR_MAX];
CLog::Log ( LOGDEBUG, "CZeroconfBrowserAvahi::resolveCallback resolved service '%s' of type '%s' in domain '%s':\n", name, type, domain );
avahi_address_snprint ( a, sizeof ( a ), address );
p_instance->m_resolving_service.SetIP(a);
p_instance->m_resolving_service.SetPort(port);
//get txt-record list
p_instance->m_resolving_service.SetTxtRecords(GetTxtRecords(txt));
break;
}
}
avahi_service_resolver_free ( r );
p_instance->m_resolved_event.Set();
}
void Browser::resolve_callback(AvahiServiceResolver *r,
AvahiIfIndex,
AvahiProtocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags,
void *data)
{
assert(data);
Browser *browser = static_cast<Browser *>(data);
assert(r);
switch (event) {
case AVAHI_RESOLVER_FAILURE:
//cerr << "[Resolver] Failed to resolve service '" << name << "' of type '" << type << "' in domain '" << domain
// << "': " << avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))) << endl;
break;
case AVAHI_RESOLVER_FOUND:
//cerr << "[Resolver] Service '" << name << " (" << host_name << ":" << port << ")"
// << "' of type '" << type <<"' in domain '" << domain << "'" << endl;
//cout << a->browse_services_.size() << endl;
browser->add_service(name, Service(type, host_name, address, port, txt));
// XXX cache service, broadcast
#if 0
avahi_address_snprint(a, sizeof(a), address);
t = avahi_string_list_to_string(txt);
fprintf(stderr,
"\t%s:%u (%s)\n"
"\tTXT=%s\n"
"\tcookie is %u\n"
"\tis_local: %i\n"
"\tour_own: %i\n"
"\twide_area: %i\n"
"\tmulticast: %i\n"
"\tcached: %i\n",
host_name, port, a,
t,
avahi_string_list_get_service_cookie(txt),
!!(flags & AVAHI_LOOKUP_RESULT_LOCAL),
!!(flags & AVAHI_LOOKUP_RESULT_OUR_OWN),
!!(flags & AVAHI_LOOKUP_RESULT_WIDE_AREA),
!!(flags & AVAHI_LOOKUP_RESULT_MULTICAST),
!!(flags & AVAHI_LOOKUP_RESULT_CACHED));
avahi_free(t);
#endif
}
avahi_service_resolver_free(r);
}
static void resolve_callback(
AvahiServiceResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
AVAHI_GCC_UNUSED void* userdata) {
assert(r);
/* Called whenever a service has been resolved successfully or timed out */
switch (event) {
case AVAHI_RESOLVER_FAILURE:
debug(2, "(Resolver) Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))));
break;
case AVAHI_RESOLVER_FOUND: {
if (flags & AVAHI_LOOKUP_RESULT_OUR_OWN) {
char a[AVAHI_ADDRESS_STR_MAX], *t;
// debug(1, "avahi: service '%s' of type '%s' in domain '%s' added.", name, type, domain);
avahi_address_snprint(a, sizeof(a), address);
debug(1,"avahi: address advertised is: \"%s\".",a);
/*
t = avahi_string_list_to_string(txt);
debug(1,
"\t%s:%u (%s)\n"
"\tTXT=%s\n"
"\tcookie is %u\n"
"\tis_local: %i\n"
"\tour_own: %i\n"
"\twide_area: %i\n"
"\tmulticast: %i\n"
"\tcached: %i\n",
host_name, port, a,
t,
avahi_string_list_get_service_cookie(txt),
!!(flags & AVAHI_LOOKUP_RESULT_LOCAL),
!!(flags & AVAHI_LOOKUP_RESULT_OUR_OWN),
!!(flags & AVAHI_LOOKUP_RESULT_WIDE_AREA),
!!(flags & AVAHI_LOOKUP_RESULT_MULTICAST),
!!(flags & AVAHI_LOOKUP_RESULT_CACHED));
avahi_free(t);
*/
}
}
}
avahi_service_resolver_free(r);
}
void resolve_callback(
AvahiServiceResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
AVAHI_GCC_UNUSED void* userdata) {
assert(r);
/* Called whenever a service has been resolved successfully or timed out */
switch (event) {
case AVAHI_RESOLVER_FAILURE:
std::cerr << "(Resolver) Failed to resolve service '" << name <<"' of type '" << type << "' in domain '" << domain << "': " << avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))) << std::endl;
break;
case AVAHI_RESOLVER_FOUND: {
char a[AVAHI_ADDRESS_STR_MAX], *t;
if (!(flags & AVAHI_LOOKUP_RESULT_LOCAL)) {
char sport[6];
std::cerr << "Service '" << name << "' of type '" << type << "' in domain '" << domain << "':" << std::endl;
avahi_address_snprint(a, sizeof(a), address);
t = avahi_string_list_to_string(txt);
std::cerr << host_name << ":" <<port << "(" << a << ")" << std::endl;
std::cerr << "TXT=" << t << std::endl;
std::cerr << "cookie is " << avahi_string_list_get_service_cookie(txt) << std::endl;
std::cerr << "is_local: " << !!(flags & AVAHI_LOOKUP_RESULT_LOCAL) << std::endl;
std::cerr << "our_own: " << !!(flags & AVAHI_LOOKUP_RESULT_OUR_OWN) << std::endl;
std::cerr << "wide_area: " << !!(flags & AVAHI_LOOKUP_RESULT_WIDE_AREA) << std::endl;
std::cerr << "multicast: " << !!(flags & AVAHI_LOOKUP_RESULT_MULTICAST) << std::endl;
std::cerr << "cached: " << !!(flags & AVAHI_LOOKUP_RESULT_CACHED) << std::endl;
sprintf(sport, "%i", port);
mn->addHost(new Host((char *)name, (char *)a, (char *)sport, (char *)t));
avahi_free(t);
//todo:create new host here;
}
break;
}
}
avahi_service_resolver_free(r);
}
static void
browse_record_callback(AvahiRecordBrowser *b, AvahiIfIndex intf, AvahiProtocol proto,
AvahiBrowserEvent event, const char *hostname, uint16_t clazz, uint16_t type,
const void *rdata, size_t size, AvahiLookupResultFlags flags, void *userdata)
{
struct mdns_record_browser *rb_data;
AvahiAddress addr;
char address[AVAHI_ADDRESS_STR_MAX];
int family;
int ret;
rb_data = (struct mdns_record_browser *)userdata;
if (event == AVAHI_BROWSER_CACHE_EXHAUSTED)
DPRINTF(E_DBG, L_MDNS, "Avahi Record Browser (%s, proto %d): no more results (CACHE_EXHAUSTED)\n", hostname, proto);
else if (event == AVAHI_BROWSER_ALL_FOR_NOW)
DPRINTF(E_DBG, L_MDNS, "Avahi Record Browser (%s, proto %d): no more results (ALL_FOR_NOW)\n", hostname, proto);
else if (event == AVAHI_BROWSER_FAILURE)
DPRINTF(E_LOG, L_MDNS, "Avahi Record Browser (%s, proto %d) failure: %s\n", hostname, proto, MDNSERR);
else if (event == AVAHI_BROWSER_REMOVE)
return; // Not handled - record browser lifetime too short for this to happen
if (event != AVAHI_BROWSER_NEW)
goto out_free_record_browser;
ret = avahi_address_make(&addr, proto, rdata, size); // Not an avahi function despite the name
if (ret < 0)
return;
family = avahi_proto_to_af(proto);
avahi_address_snprint(address, sizeof(address), &addr);
// Avahi will sometimes give us link-local addresses in 169.254.0.0/16 or
// fe80::/10, which (most of the time) are useless
// - see also https://lists.freedesktop.org/archives/avahi/2012-September/002183.html
if ((proto == AVAHI_PROTO_INET && is_v4ll(&addr.data.ipv4)) || (proto == AVAHI_PROTO_INET6 && is_v6ll(&addr.data.ipv6)))
{
DPRINTF(E_WARN, L_MDNS, "Ignoring announcement from %s, address %s is link-local\n", hostname, address);
return;
}
DPRINTF(E_DBG, L_MDNS, "Avahi Record Browser (%s, proto %d): NEW record %s for service type '%s'\n", hostname, proto, address, rb_data->mb->type);
// Execute callback (mb->cb) with all the data
rb_data->mb->cb(rb_data->name, rb_data->mb->type, rb_data->domain, hostname, family, address, rb_data->port, &rb_data->txt_kv);
// Stop record browser
out_free_record_browser:
keyval_clear(&rb_data->txt_kv);
free(rb_data->name);
free(rb_data->domain);
free(rb_data);
avahi_record_browser_free(b);
}
void BrowseAvahi::resolve_callback(
AvahiServiceResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
AVAHI_GCC_UNUSED void* userdata)
{
BrowseAvahi* browseAvahi = static_cast<BrowseAvahi*>(userdata);
assert(r);
/* Called whenever a service has been resolved successfully or timed out */
switch (event)
{
case AVAHI_RESOLVER_FAILURE:
logE << "(Resolver) Failed to resolve service '" << name << "' of type '" << type << "' in domain '" << domain << "': " << avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))) << "\n";
break;
case AVAHI_RESOLVER_FOUND:
{
char a[AVAHI_ADDRESS_STR_MAX], *t;
logO << "Service '" << name << "' of type '" << type << "' in domain '" << domain << "':\n";
avahi_address_snprint(a, sizeof(a), address);
browseAvahi->result_.host_ = host_name;
browseAvahi->result_.ip_ = a;
browseAvahi->result_.port_ = port;
browseAvahi->result_.proto_ = protocol;
browseAvahi->result_.valid_ = true;
t = avahi_string_list_to_string(txt);
logO << "\t" << host_name << ":" << port << " (" << a << ")\n";
logD << "\tTXT=" << t << "\n";
logD << "\tProto=" << (int)protocol << "\n";
logD << "\tcookie is " << avahi_string_list_get_service_cookie(txt) << "\n";
logD << "\tis_local: " << !!(flags & AVAHI_LOOKUP_RESULT_LOCAL) << "\n";
logD << "\tour_own: " << !!(flags & AVAHI_LOOKUP_RESULT_OUR_OWN) << "\n";
logD << "\twide_area: " << !!(flags & AVAHI_LOOKUP_RESULT_WIDE_AREA) << "\n";
logD << "\tmulticast: " << !!(flags & AVAHI_LOOKUP_RESULT_MULTICAST) << "\n";
logD << "\tcached: " << !!(flags & AVAHI_LOOKUP_RESULT_CACHED) << "\n";
avahi_free(t);
}
}
avahi_service_resolver_free(r);
}
bool AvahiBrowser::get_address_port(Glib::ustring& address, int& port, Glib::ustring& name, Glib::ustring& host) {
AvahiAddress a = AvahiAddress();
uint16_t p = uint16_t();
if (resolver && ga_service_resolver_get_address(resolver, &a, &p)) {
char buf[AVAHI_ADDRESS_STR_MAX];
address = avahi_address_snprint(buf, AVAHI_ADDRESS_STR_MAX, &a);
port = p;
name = found_name;
host = found_host;
return true;
}
return false;
}
static void resolveCallback( AvahiServiceResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void* userdata )
{
TiVoUnit *tivo = userdata;
char addr[AVAHI_ADDRESS_STR_MAX];
AvahiStringList *list;
char *key, *value;
assert(r);
/* Called whenever a service has been resolved successfully, or timed out */
switch (event)
{
case AVAHI_RESOLVER_FAILURE:
logerror( "Failed to resolve service '%s' of type '%s' in domain '%s': %s\n",
name, type, domain, avahi_strerror( avahi_client_errno( avahi_service_resolver_get_client(r) ) ) );
break;
case AVAHI_RESOLVER_FOUND:
/* now we also have the TiVo's serial number and network address */
avahi_address_snprint( addr, sizeof(addr), address );
tivo->address = strdup( addr );
list = avahi_string_list_find( txt, "TSN" );
avahi_string_list_get_pair( list, &key, &value, NULL );
tivo->serial = strdup( value );
avahi_free( key );
avahi_free( value );
loginfo( "Resolved '%s' to TSN '%s' at %s", tivo->name, tivo->serial, tivo->address );
break;
}
/* all done with the resolver, so free it */
avahi_service_resolver_free( r );
}
static void
daap_mdns_resolve_browser_new_cb (
AvahiServiceResolver *resolv,
AvahiIfIndex iface,
AvahiProtocol proto,
AvahiResolverEvent event,
const gchar *name,
const gchar *type,
const gchar *domain,
const gchar *hostname,
const AvahiAddress *addr,
guint16 port,
AvahiStringList *text,
AvahiLookupResultFlags flags,
void *userdata)
{
gchar ad[ADDR_LEN];
daap_mdns_server_t *server;
if (!resolv) {
return;
}
switch (event) {
case AVAHI_RESOLVER_FOUND:
avahi_address_snprint (ad, sizeof (ad), addr);
server = g_new0 (daap_mdns_server_t, 1);
server->server_name = g_strdup (name);
server->address = g_strdup (ad);
server->mdns_hostname = g_strdup (hostname);
server->port = port;
g_static_mutex_lock (&serv_list_mut);
g_server_list = g_slist_prepend (g_server_list, server);
g_static_mutex_unlock (&serv_list_mut);
break;
case AVAHI_RESOLVER_FAILURE:
break;
default:
break;
}
avahi_service_resolver_free (resolv);
}
void avahi_dbus_async_host_name_resolver_callback(AvahiSHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *host_name, const AvahiAddress *a, AvahiLookupResultFlags flags, void* userdata) {
AsyncHostNameResolverInfo *i = userdata;
DBusMessage *reply;
assert(r);
assert(i);
reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, avahi_dbus_map_resolve_signal_name(event));
if (event == AVAHI_RESOLVER_FOUND) {
char t[AVAHI_ADDRESS_STR_MAX], *pt = t;
int32_t i_interface, i_protocol, i_aprotocol;
uint32_t u_flags;
assert(a);
assert(host_name);
avahi_address_snprint(t, sizeof(t), a);
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
i_aprotocol = (int32_t) a->proto;
u_flags = (uint32_t) flags;
dbus_message_append_args(
reply,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &host_name,
DBUS_TYPE_INT32, &i_aprotocol,
DBUS_TYPE_STRING, &pt,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID);
} else {
assert(event == AVAHI_RESOLVER_FAILURE);
avahi_dbus_append_server_error(reply);
}
dbus_message_set_destination(reply, i->client->name);
dbus_connection_send(server->bus, reply, NULL);
dbus_message_unref(reply);
}
void service_found(void *user_data, Avahi::Resolver *resolver,
Avahi::Service service, AvahiLookupResultFlags flags)
{
char caddress[AVAHI_ADDRESS_STR_MAX];
if (flags & (AVAHI_LOOKUP_RESULT_LOCAL|AVAHI_LOOKUP_RESULT_OUR_OWN))
return;
avahi_address_snprint(caddress, sizeof(caddress), service.GetAddress());
#if 0
std::cout << "Resolved " << service.GetName() << std::endl;
std::cout << "\tFlags = " << flags << std::endl;
std::cout << "\tType = " << service.GetType() << std::endl;
std::cout << "\tName = " << service.GetName() << std::endl;
std::cout << "\tDomain = " << service.GetDomain() << std::endl;
std::cout << "\tInterface = " << service.GetInterface() << std::endl;
std::cout << "\tProtocol = " << service.GetProtocol() << std::endl;
std::cout << "\tHostname = " << service.GetHostName() << std::endl;
std::cout << "\tAddress = " << caddress << std::endl;
StringList lst = service.GetTxt();
StringList::iterator it;
for (it = lst.begin(); it != lst.end(); ++it)
std::cout << "\tTXT = " << *it << std::endl;
#endif
#if 0
service.SetName("X" + service.GetName());
service.SetHostName("X" + service.GetHostName());
AvahiAddress address;
avahi_address_parse("172.16.76.2", AVAHI_PROTO_UNSPEC, &address);
service.SetAddress(&address);
#endif
service.SetInterface(if_nametoindex("eth1"));
avahi->Publish(service);
delete resolver;
}
static void host_name_resolver_callback(
AvahiHostNameResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const AvahiAddress *a,
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
AVAHI_GCC_UNUSED void *userdata) {
assert(r);
switch (event) {
case AVAHI_RESOLVER_FOUND: {
char address[AVAHI_ADDRESS_STR_MAX];
avahi_address_snprint(address, sizeof(address), a);
printf("%s\t%s\n", name, address);
break;
}
case AVAHI_RESOLVER_FAILURE:
fprintf(stderr, _("Failed to resolve host name '%s': %s\n"), name, avahi_strerror(avahi_client_errno(client)));
break;
}
avahi_host_name_resolver_free(r);
assert(n_resolving > 0);
n_resolving--;
if (n_resolving <= 0)
avahi_simple_poll_quit(simple_poll);
}
static void dns_server_browser_callback(
AVAHI_GCC_UNUSED AvahiSDNSServerBrowser *b,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiBrowserEvent event,
AVAHI_GCC_UNUSED const char *host_name,
const AvahiAddress *a,
uint16_t port,
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
void* userdata) {
Client *c = userdata;
char t[AVAHI_ADDRESS_STR_MAX];
assert(c);
if (!a)
return;
switch (event) {
case AVAHI_BROWSER_FAILURE:
client_output_printf(c, "%+i %s\n", avahi_server_errno(avahi_server), avahi_strerror(avahi_server_errno(avahi_server)));
c->state = CLIENT_DEAD;
break;
case AVAHI_BROWSER_ALL_FOR_NOW:
case AVAHI_BROWSER_CACHE_EXHAUSTED:
break;
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE:
avahi_address_snprint(t, sizeof(t), a);
client_output_printf(c, "%c %i %u %s %u\n", event == AVAHI_BROWSER_NEW ? '>' : '<', interface, protocol, t, port);
break;
}
}
static void resolve_callback(
AvahiServiceResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
AVAHI_GCC_UNUSED void* userdata) {
assert(r);
/* Called whenever a service has been resolved successfully or timed out */
switch (event) {
case AVAHI_RESOLVER_FAILURE:
fprintf(stderr, "(Resolver) Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))));
break;
case AVAHI_RESOLVER_FOUND: {
char a[AVAHI_ADDRESS_STR_MAX];
fprintf(stderr, "XMMS2 running on '%s@%s'\n", name, domain);
avahi_address_snprint(a, sizeof(a), address);
fprintf(stderr, "tcp://%s:%u\n", a, port);
}
}
n_pending_resolvers--;
avahi_service_resolver_free(r);
}
static void host_name_resolver_callback(
AVAHI_GCC_UNUSED AvahiSHostNameResolver *r,
AvahiIfIndex iface,
AvahiProtocol protocol,
AvahiResolverEvent event,
const char *hostname,
const AvahiAddress *a,
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
void* userdata) {
Client *c = userdata;
assert(c);
if (event == AVAHI_RESOLVER_FAILURE)
client_output_printf(c, "%+i %s\n", avahi_server_errno(avahi_server), avahi_strerror(avahi_server_errno(avahi_server)));
else if (event == AVAHI_RESOLVER_FOUND) {
char t[AVAHI_ADDRESS_STR_MAX];
avahi_address_snprint(t, sizeof(t), a);
client_output_printf(c, "+ %i %u %s %s\n", iface, protocol, hostname, t);
}
c->state = CLIENT_DEAD;
}
void resolve_callback(
AvahiServiceResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
AVAHI_GCC_UNUSED void* userdata) {
assert(r);
/* Called whenever a service has been resolved successfully or timed out */
switch (event) {
case AVAHI_RESOLVER_FAILURE:
l_debug("(Resolver) Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))));
break;
case AVAHI_RESOLVER_FOUND: {
char a[AVAHI_ADDRESS_STR_MAX];
avahi_address_snprint(a, sizeof(a), address);
char *value;
char *type = NULL;
size_t *size=NULL;
AvahiStringList *type_txt = avahi_string_list_find(txt,"type");
if (type_txt != NULL){
avahi_string_list_get_pair(type_txt,&type, &value, size);
l_debug("Type = %s",value);
if ((g_strcmp0(value,"miniview") == 0) || (g_strcmp0(value,"android") == 0)) {
char *data="data";
char *extra_data;
size_t *size2=NULL;
AvahiStringList *data_txt = avahi_string_list_find(txt,"data");
if (data_txt != NULL) {
avahi_string_list_get_pair(data_txt,&data, &extra_data, size2);
gchar *myhost = g_strdup_printf("%s:%u",hostname,server_port);
if (g_strcmp0(extra_data, myhost)==0) {
gchar *host = g_strdup_printf("%s:%u",a, port);
l_debug("Found miniview on %s", host);
if (!g_hash_table_contains(miniviews,host)) {
g_hash_table_insert(miniviews, g_strdup(name), host);
}
}
avahi_free(data);
avahi_free(extra_data);
g_free(myhost);
}
}
avahi_free(value);
avahi_free(type);
}
}
}
avahi_service_resolver_free(r);
}
struct iio_context * network_create_context(const char *host)
{
struct addrinfo hints, *res;
struct iio_context *ctx;
struct iio_context_pdata *pdata;
size_t i, len;
int fd, ret;
char *description;
#ifdef _WIN32
WSADATA wsaData;
ret = WSAStartup(MAKEWORD(2, 0), &wsaData);
if (ret < 0) {
ERROR("WSAStartup failed with error %i\n", ret);
errno = -ret;
return NULL;
}
#endif
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
#ifdef HAVE_AVAHI
if (!host) {
char addr_str[AVAHI_ADDRESS_STR_MAX];
char port_str[6];
AvahiAddress address;
uint16_t port = IIOD_PORT;
memset(&address, 0, sizeof(address));
ret = discover_host(&address, &port);
if (ret < 0) {
DEBUG("Unable to find host: %s\n", strerror(-ret));
errno = -ret;
return NULL;
}
avahi_address_snprint(addr_str, sizeof(addr_str), &address);
snprintf(port_str, sizeof(port_str), "%hu", port);
ret = getaddrinfo(addr_str, port_str, &hints, &res);
} else
#endif
{
ret = getaddrinfo(host, IIOD_PORT_STR, &hints, &res);
}
if (ret) {
ERROR("Unable to find host: %s\n", gai_strerror(ret));
#ifndef _WIN32
if (ret != EAI_SYSTEM)
errno = ret;
#endif
return NULL;
}
fd = create_socket(res);
if (fd < 0) {
errno = fd;
goto err_free_addrinfo;
}
pdata = calloc(1, sizeof(*pdata));
if (!pdata) {
errno = ENOMEM;
goto err_close_socket;
}
pdata->fd = fd;
pdata->addrinfo = res;
pdata->lock = iio_mutex_create();
if (!pdata->lock) {
errno = ENOMEM;
goto err_free_pdata;
}
pdata->iiod_client = iiod_client_new(pdata, pdata->lock,
&network_iiod_client_ops);
if (!pdata->iiod_client)
goto err_destroy_mutex;
DEBUG("Creating context...\n");
ctx = iiod_client_create_context(pdata->iiod_client, fd);
if (!ctx)
goto err_destroy_iiod_client;
/* Override the name and low-level functions of the XML context
* with those corresponding to the network context */
ctx->name = "network";
ctx->ops = &network_ops;
ctx->pdata = pdata;
#ifdef HAVE_IPV6
len = INET6_ADDRSTRLEN + IF_NAMESIZE + 2;
#else
len = INET_ADDRSTRLEN + 1;
#endif
description = malloc(len);
if (!description) {
ret = -ENOMEM;
goto err_network_shutdown;
}
description[0] = '\0';
#ifdef HAVE_IPV6
if (res->ai_family == AF_INET6) {
struct sockaddr_in6 *in = (struct sockaddr_in6 *) res->ai_addr;
char *ptr;
inet_ntop(AF_INET6, &in->sin6_addr,
description, INET6_ADDRSTRLEN);
ptr = if_indextoname(in->sin6_scope_id, description +
strlen(description) + 1);
if (!ptr) {
ret = -errno;
ERROR("Unable to lookup interface of IPv6 address\n");
goto err_free_description;
}
*(ptr - 1) = '%';
}
#endif
if (res->ai_family == AF_INET) {
struct sockaddr_in *in = (struct sockaddr_in *) res->ai_addr;
#if (!_WIN32 || _WIN32_WINNT >= 0x600)
inet_ntop(AF_INET, &in->sin_addr, description, INET_ADDRSTRLEN);
#else
char *tmp = inet_ntoa(in->sin_addr);
strncpy(description, tmp, len);
#endif
}
for (i = 0; i < ctx->nb_devices; i++) {
struct iio_device *dev = ctx->devices[i];
dev->pdata = calloc(1, sizeof(*dev->pdata));
if (!dev->pdata) {
ret = -ENOMEM;
goto err_free_description;
}
dev->pdata->fd = -1;
#ifdef WITH_NETWORK_GET_BUFFER
dev->pdata->memfd = -1;
#endif
dev->pdata->lock = iio_mutex_create();
if (!dev->pdata->lock) {
ret = -ENOMEM;
goto err_free_description;
}
}
ret = iio_context_init(ctx);
if (ret < 0)
goto err_free_description;
if (ctx->description) {
size_t desc_len = strlen(description);
size_t new_size = desc_len + strlen(ctx->description) + 2;
char *ptr, *new_description = realloc(description, new_size);
if (!new_description) {
ret = -ENOMEM;
goto err_free_description;
}
ptr = strrchr(new_description, '\0');
snprintf(ptr, new_size - desc_len, " %s", ctx->description);
free(ctx->description);
ctx->description = new_description;
} else {
ctx->description = description;
}
iiod_client_set_timeout(pdata->iiod_client, fd,
calculate_remote_timeout(DEFAULT_TIMEOUT_MS));
return ctx;
err_free_description:
free(description);
err_network_shutdown:
iio_context_destroy(ctx);
errno = -ret;
return NULL;
err_destroy_iiod_client:
iiod_client_destroy(pdata->iiod_client);
err_destroy_mutex:
iio_mutex_destroy(pdata->lock);
err_free_pdata:
free(pdata);
err_close_socket:
close(fd);
err_free_addrinfo:
freeaddrinfo(res);
return NULL;
}
void avahi_dbus_async_service_resolver_callback(
AvahiSServiceResolver *r,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *a,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void* userdata) {
AsyncServiceResolverInfo *i = userdata;
DBusMessage *reply;
assert(r);
assert(i);
reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, avahi_dbus_map_resolve_signal_name(event));
if (event == AVAHI_RESOLVER_FOUND) {
char t[AVAHI_ADDRESS_STR_MAX], *pt = t;
int32_t i_interface, i_protocol, i_aprotocol;
uint32_t u_flags;
assert(host_name);
/* avahi_log_debug(__FILE__": [%s] Successfully resolved service <%s.%s.%s>", i->path, name, type, domain); */
if (a)
avahi_address_snprint(t, sizeof(t), a);
else
t[0] = 0;
if (!name)
name = "";
if (avahi_dbus_is_our_own_service(i->client, interface, protocol, name, type, domain) > 0)
flags |= AVAHI_LOOKUP_RESULT_OUR_OWN;
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
if (a)
i_aprotocol = (int32_t) a->proto;
else
i_aprotocol = AVAHI_PROTO_UNSPEC;
u_flags = (uint32_t) flags;
dbus_message_append_args(
reply,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_STRING, &host_name,
DBUS_TYPE_INT32, &i_aprotocol,
DBUS_TYPE_STRING, &pt,
DBUS_TYPE_UINT16, &port,
DBUS_TYPE_INVALID);
avahi_dbus_append_string_list(reply, txt);
dbus_message_append_args(
reply,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID);
} else {
assert(event == AVAHI_RESOLVER_FAILURE);
avahi_dbus_append_server_error(reply);
}
dbus_message_set_destination(reply, i->client->name);
dbus_connection_send(server->bus, reply, NULL);
dbus_message_unref(reply);
}
static void
resolve_callback(AvahiServiceResolver *r,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void *userdata)
{
service_instance_t *si = userdata;
service_aux_t *sa = si->si_opaque;
char a[AVAHI_ADDRESS_STR_MAX];
AvahiStringList *apath;
char *path;
AvahiStringList *acontents;
char *contents;
switch(event) {
case AVAHI_RESOLVER_FAILURE:
TRACE(TRACE_ERROR, "AVAHI",
"Failed to resolve service '%s' of type '%s' in domain '%s': %s\n",
name, type, domain,
avahi_strerror(avahi_client_errno(sa->sa_c)));
si_destroy(si);
break;
case AVAHI_RESOLVER_FOUND:
avahi_address_snprint(a, sizeof(a), address);
TRACE(TRACE_DEBUG, "AVAHI",
"Found service '%s' of type '%s' at %s:%d (%s)",
name, type, a, port, host_name);
switch(sa->sa_class) {
case SERVICE_HTSP:
sd_add_service_htsp(si, name, a, port);
break;
case SERVICE_WEBDAV:
apath = avahi_string_list_find(txt, "path");
if(apath == NULL ||
avahi_string_list_get_pair(apath, NULL, &path, NULL))
path = NULL;
acontents = avahi_string_list_find(txt, "contents");
if(acontents == NULL ||
avahi_string_list_get_pair(acontents, NULL, &contents, NULL))
contents = NULL;
sd_add_service_webdav(si, name, a, port, path, contents);
if(path)
avahi_free(path);
break;
}
}
avahi_service_resolver_free(r);
}
static void resolver_cb(
AvahiServiceResolver *r,
AvahiIfIndex interface, AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *a, uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void *userdata) {
struct userdata *u = userdata;
struct tunnel *tnl;
pa_assert(u);
tnl = tunnel_new(interface, protocol, name, type, domain);
if (event != AVAHI_RESOLVER_FOUND)
pa_log("Resolving of '%s' failed: %s", name, avahi_strerror(avahi_client_errno(u->client)));
else {
char *device = NULL, *dname, *module_name, *args;
const char *t;
char at[AVAHI_ADDRESS_STR_MAX], cmt[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_sample_spec ss;
pa_channel_map cm;
AvahiStringList *l;
pa_bool_t channel_map_set = FALSE;
pa_module *m;
ss = u->core->default_sample_spec;
cm = u->core->default_channel_map;
for (l = txt; l; l = l->next) {
char *key, *value;
pa_assert_se(avahi_string_list_get_pair(l, &key, &value, NULL) == 0);
if (pa_streq(key, "device")) {
pa_xfree(device);
device = value;
value = NULL;
} else if (pa_streq(key, "rate"))
ss.rate = (uint32_t) atoi(value);
else if (pa_streq(key, "channels"))
ss.channels = (uint8_t) atoi(value);
else if (pa_streq(key, "format"))
ss.format = pa_parse_sample_format(value);
else if (pa_streq(key, "channel_map")) {
pa_channel_map_parse(&cm, value);
channel_map_set = TRUE;
}
avahi_free(key);
avahi_free(value);
}
if (!channel_map_set && cm.channels != ss.channels)
pa_channel_map_init_extend(&cm, ss.channels, PA_CHANNEL_MAP_DEFAULT);
if (!pa_sample_spec_valid(&ss)) {
pa_log("Service '%s' contains an invalid sample specification.", name);
avahi_free(device);
goto finish;
}
if (!pa_channel_map_valid(&cm) || cm.channels != ss.channels) {
pa_log("Service '%s' contains an invalid channel map.", name);
avahi_free(device);
goto finish;
}
if (device)
dname = pa_sprintf_malloc("tunnel.%s.%s", host_name, device);
else
dname = pa_sprintf_malloc("tunnel.%s", host_name);
if (!pa_namereg_is_valid_name(dname)) {
pa_log("Cannot construct valid device name from credentials of service '%s'.", dname);
avahi_free(device);
pa_xfree(dname);
goto finish;
}
t = strstr(type, "sink") ? "sink" : "source";
module_name = pa_sprintf_malloc("module-tunnel-%s", t);
args = pa_sprintf_malloc("server=[%s]:%u "
"%s=%s "
"format=%s "
"channels=%u "
"rate=%u "
"%s_name=%s "
"channel_map=%s",
avahi_address_snprint(at, sizeof(at), a), port,
t, device,
pa_sample_format_to_string(ss.format),
ss.channels,
ss.rate,
t, dname,
pa_channel_map_snprint(cmt, sizeof(cmt), &cm));
pa_log_debug("Loading %s with arguments '%s'", module_name, args);
if ((m = pa_module_load(u->core, module_name, args))) {
tnl->module_index = m->index;
pa_hashmap_put(u->tunnels, tnl, tnl);
tnl = NULL;
}
pa_xfree(module_name);
pa_xfree(dname);
pa_xfree(args);
avahi_free(device);
}
finish:
avahi_service_resolver_free(r);
if (tnl)
tunnel_free(tnl);
}
/*****************************************************************************
* resolve_callback
*****************************************************************************/
static void resolve_callback(
AvahiServiceResolver *r,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const char *domain,
const char *host_name,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void* userdata )
{
services_discovery_t *p_sd = ( services_discovery_t* )userdata;
services_discovery_sys_t *p_sys = p_sd->p_sys;
VLC_UNUSED(interface); VLC_UNUSED(host_name);
VLC_UNUSED(flags);
if( event == AVAHI_RESOLVER_FAILURE )
{
msg_Err( p_sd,
"failed to resolve service '%s' of type '%s' in domain '%s'",
name, type, domain );
}
else if( event == AVAHI_RESOLVER_FOUND )
{
char a[128];
char *psz_uri = NULL;
char *psz_addr = NULL;
AvahiStringList *asl = NULL;
input_item_t *p_input = NULL;
msg_Dbg( p_sd, "service '%s' of type '%s' in domain '%s'",
name, type, domain );
avahi_address_snprint(a, (sizeof(a)/sizeof(a[0]))-1, address);
if( protocol == AVAHI_PROTO_INET6 )
if( asprintf( &psz_addr, "[%s]", a ) == -1 )
return;
if( txt != NULL )
asl = avahi_string_list_find( txt, "path" );
if( asl != NULL )
{
size_t size;
char *key = NULL;
char *value = NULL;
if( avahi_string_list_get_pair( asl, &key, &value, &size ) == 0 &&
value != NULL )
{
if( asprintf( &psz_uri, "http://%s:%d%s",
psz_addr != NULL ? psz_addr : a, port, value ) == -1 )
{
free( psz_addr );
return;
}
}
if( key != NULL )
avahi_free( (void *)key );
if( value != NULL )
avahi_free( (void *)value );
}
else
{
if( asprintf( &psz_uri, "http://%s:%d",
psz_addr != NULL ? psz_addr : a, port ) == -1 )
{
free( psz_addr );
return;
}
}
free( psz_addr );
if( psz_uri != NULL )
{
p_input = input_item_New( p_sd, psz_uri, name );
free( psz_uri );
}
if( p_input != NULL )
{
vlc_dictionary_insert( &p_sys->services_name_to_input_item,
name, p_input );
services_discovery_AddItem( p_sd, p_input, NULL /* no category */ );
vlc_gc_decref( p_input );
}
}
avahi_service_resolver_free( r );
}
/** Add a host/address pair */
int avahi_entry_group_add_address(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const AvahiAddress *a) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
char s_address[AVAHI_ADDRESS_STR_MAX];
char *p_address = s_address;
assert(name);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!avahi_address_snprint (s_address, sizeof (s_address), a))
{
r = avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
goto fail;
}
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &p_address,
DBUS_TYPE_INVALID)) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
static void resolver_cb(
AvahiServiceResolver *r,
AvahiIfIndex interface, AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *a, uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void *userdata) {
struct userdata *u = userdata;
struct tunnel *tnl;
char *device = NULL, *nicename, *dname, *vname, *args;
char *tp = NULL, *et = NULL, *cn = NULL;
char *ch = NULL, *ss = NULL, *sr = NULL;
char *t = NULL;
char at[AVAHI_ADDRESS_STR_MAX];
AvahiStringList *l;
pa_module *m;
pa_assert(u);
tnl = tunnel_new(interface, protocol, name, type, domain);
if (event != AVAHI_RESOLVER_FOUND) {
pa_log("Resolving of '%s' failed: %s", name, avahi_strerror(avahi_client_errno(u->client)));
goto finish;
}
if ((nicename = strstr(name, "@"))) {
++nicename;
if (strlen(nicename) > 0) {
pa_log_debug("Found RAOP: %s", nicename);
nicename = pa_escape(nicename, "\"'");
} else
nicename = NULL;
}
for (l = txt; l; l = l->next) {
char *key, *value;
pa_assert_se(avahi_string_list_get_pair(l, &key, &value, NULL) == 0);
pa_log_debug("Found key: '%s' with value: '%s'", key, value);
if (pa_streq(key, "device")) {
device = value;
value = NULL;
} else if (pa_streq(key, "tp")) {
/* Transport protocol:
* - TCP = only TCP,
* - UDP = only UDP,
* - TCP,UDP = both supported (UDP should be prefered) */
pa_xfree(tp);
if (pa_str_in_list(value, ",", "UDP"))
tp = pa_xstrdup("UDP");
else if (pa_str_in_list(value, ",", "TCP"))
tp = pa_xstrdup("TCP");
else
tp = pa_xstrdup(value);
} else if (pa_streq(key, "et")) {
/* Supported encryption types:
* - 0 = none,
* - 1 = RSA,
* - 2 = FairPlay,
* - 3 = MFiSAP,
* - 4 = FairPlay SAPv2.5. */
pa_xfree(et);
if (pa_str_in_list(value, ",", "1"))
et = pa_xstrdup("RSA");
else
et = pa_xstrdup("none");
} else if (pa_streq(key, "cn")) {
/* Suported audio codecs:
* - 0 = PCM,
* - 1 = ALAC,
* - 2 = AAC,
* - 3 = AAC ELD. */
pa_xfree(cn);
if (pa_str_in_list(value, ",", "1"))
cn = pa_xstrdup("ALAC");
else
cn = pa_xstrdup("PCM");
} else if (pa_streq(key, "md")) {
/* Supported metadata types:
* - 0 = text,
* - 1 = artwork,
* - 2 = progress. */
} else if (pa_streq(key, "pw")) {
/* Requires password ? (true/false) */
} else if (pa_streq(key, "ch")) {
/* Number of channels */
pa_xfree(ch);
ch = pa_xstrdup(value);
} else if (pa_streq(key, "ss")) {
/* Sample size */
pa_xfree(ss);
ss = pa_xstrdup(value);
} else if (pa_streq(key, "sr")) {
/* Sample rate */
pa_xfree(sr);
sr = pa_xstrdup(value);
}
avahi_free(key);
avahi_free(value);
}
if (device)
dname = pa_sprintf_malloc("raop_output.%s.%s", host_name, device);
else
dname = pa_sprintf_malloc("raop_output.%s", host_name);
if (!(vname = pa_namereg_make_valid_name(dname))) {
pa_log("Cannot construct valid device name from '%s'.", dname);
avahi_free(device);
pa_xfree(dname);
pa_xfree(tp);
pa_xfree(et);
pa_xfree(cn);
pa_xfree(ch);
pa_xfree(ss);
pa_xfree(sr);
goto finish;
}
avahi_free(device);
pa_xfree(dname);
avahi_address_snprint(at, sizeof(at), a);
if (nicename) {
args = pa_sprintf_malloc("server=[%s]:%u "
"sink_name=%s "
"sink_properties='device.description=\"%s (%s:%u)\"'",
at, port,
vname,
nicename, at, port);
pa_xfree(nicename);
} else {
args = pa_sprintf_malloc("server=[%s]:%u "
"sink_name=%s"
"sink_properties='device.description=\"%s:%u\"'",
at, port,
vname,
at, port);
}
if (tp != NULL) {
t = args;
args = pa_sprintf_malloc("%s protocol=%s", args, tp);
pa_xfree(tp);
pa_xfree(t);
}
if (et != NULL) {
t = args;
args = pa_sprintf_malloc("%s encryption=%s", args, et);
pa_xfree(et);
pa_xfree(t);
}
if (cn != NULL) {
t = args;
args = pa_sprintf_malloc("%s codec=%s", args, cn);
pa_xfree(cn);
pa_xfree(t);
}
if (ch != NULL) {
t = args;
args = pa_sprintf_malloc("%s channels=%s", args, ch);
pa_xfree(ch);
pa_xfree(t);
}
if (ss != NULL) {
t = args;
args = pa_sprintf_malloc("%s format=%s", args, ss);
pa_xfree(ss);
pa_xfree(t);
}
if (sr != NULL) {
t = args;
args = pa_sprintf_malloc("%s rate=%s", args, sr);
pa_xfree(sr);
pa_xfree(t);
}
pa_log_debug("Loading module-raop-sink with arguments '%s'", args);
if ((m = pa_module_load(u->core, "module-raop-sink", args))) {
tnl->module_index = m->index;
pa_hashmap_put(u->tunnels, tnl, tnl);
tnl = NULL;
}
pa_xfree(vname);
pa_xfree(args);
finish:
avahi_service_resolver_free(r);
if (tnl)
tunnel_free(tnl);
}
static void
browse_resolve_callback(AvahiServiceResolver *r, AvahiIfIndex intf, AvahiProtocol proto, AvahiResolverEvent event,
const char *name, const char *type, const char *domain, const char *hostname, const AvahiAddress *addr,
uint16_t port, AvahiStringList *txt, AvahiLookupResultFlags flags, void *userdata)
{
char address[AVAHI_ADDRESS_STR_MAX + IF_NAMESIZE + 2];
char ifname[IF_NAMESIZE];
struct keyval txt_kv;
struct mdns_browser *mb;
char *key;
char *value;
size_t len;
int family;
int ll;
int ret;
mb = (struct mdns_browser *)userdata;
switch (event)
{
case AVAHI_RESOLVER_FAILURE:
DPRINTF(E_LOG, L_MDNS, "Avahi Resolver failure: service '%s' type '%s': %s\n", name, type,
avahi_strerror(avahi_client_errno(mdns_client)));
break;
case AVAHI_RESOLVER_FOUND:
DPRINTF(E_DBG, L_MDNS, "Avahi Resolver: resolved service '%s' type '%s' proto %d\n", name, type, proto);
// KK - if I reject 192.168.* my AirTunes get rejected.
// How does avahi passes multiple IP addresses?
// ll = is_link_local(addr);
ll = 0;
switch (proto)
{
case AVAHI_PROTO_INET:
avahi_record_browser_new()
if (ll)
{
family = AF_UNSPEC;
DPRINTF(E_DBG, L_MDNS, "Discarding IPv4 LL address\n");
break;
}
family = AF_INET;
avahi_address_snprint(address, sizeof(address), addr);
break;
case AVAHI_PROTO_INET6:
avahi_address_snprint(address, sizeof(address), addr);
if (ll)
{
DPRINTF(E_DBG, L_MDNS, "Appending interface name to IPv6 LL address\n");
if (!if_indextoname(intf, ifname))
{
DPRINTF(E_LOG, L_MDNS, "Could not map interface index %d to a name\n", intf);
family = AF_UNSPEC;
break;
}
len = strlen(address);
ret = snprintf(address + len, sizeof(address) - len, "%%%s", ifname);
if ((ret < 0) || (ret > sizeof(address) - len))
{
DPRINTF(E_LOG, L_MDNS, "Buffer too short for scoped IPv6 LL\n");
family = AF_UNSPEC;
break;
}
DPRINTF(E_DBG, L_MDNS, "Scoped IPv6 LL: %s\n", address);
}
family = AF_INET6;
break;
default:
DPRINTF(E_INFO, L_MDNS, "Avahi Resolver: unknown protocol %d\n", proto);
family = AF_UNSPEC;
break;
}
if (family == AF_UNSPEC)
break;
memset(&txt_kv, 0, sizeof(struct keyval));
while (txt)
{
len = avahi_string_list_get_size(txt);
key = (char *)avahi_string_list_get_text(txt);
value = memchr(key, '=', len);
if (!value)
{
value = "";
len = 0;
}
else
{
*value = '\0';
value++;
len -= strlen(key) + 1;
}
ret = keyval_add_size(&txt_kv, key, value, len);
if (ret < 0)
{
DPRINTF(E_LOG, L_MDNS, "Could not build TXT record keyval\n");
goto out_clear_txt_kv;
}
txt = avahi_string_list_get_next(txt);
}
/* Execute callback (mb->cb) with all the data */
mb->cb(name, type, domain, hostname, family, address, port, &txt_kv);
out_clear_txt_kv:
keyval_clear(&txt_kv);
break;
}
avahi_service_resolver_free(r);
}