+#pragma once

+

+#include <boost/bind.hpp>

+

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiQuery.h"

+#include "Swiften/LinkLocal/DNSSD/DNSSDBrowseQuery.h"

+#include "Swiften/EventLoop/MainEventLoop.h"

+

+namespace Swift {

+ class AvahiQuerier;

+

+ class AvahiBrowseQuery : public DNSSDBrowseQuery, public AvahiQuery {

+ public:

+ AvahiBrowseQuery(boost::shared_ptr<AvahiQuerier> q) : AvahiQuery(q) {

+ }

+

+ void startBrowsing() {

+ std::cout << "Start browsing" << std::endl;

+ avahi_threaded_poll_lock(querier->getThreadedPoll());

+ std::cout << "Creating browser" << std::endl;

+ AvahiServiceBrowser* browser = avahi_service_browser_new(querier->getClient(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_presence._tcp", NULL, (AvahiLookupFlags) 0, &handleServiceDiscoveredStatic, this);

+ if (!browser) {

+ std::cout << "Error" << std::endl;

+ MainEventLoop::postEvent(boost::bind(boost::ref(onError)), shared_from_this());

+ }

+ std::cout << "Unlocking" << std::endl;

+ avahi_threaded_poll_unlock(querier->getThreadedPoll());

+ std::cout << "Browse started" << std::endl;

+ }

+

+ void stopBrowsing() {

+ // TODO

+ }

+

+ private:

+ static void handleServiceDiscoveredStatic(AvahiServiceBrowser *b, AvahiIfIndex interfaceIndex, AvahiProtocol protocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AvahiLookupResultFlags flags, void* context) {

+ static_cast<AvahiBrowseQuery*>(context)->handleServiceDiscovered(b, interfaceIndex, protocol, event, name, type, domain, flags);

+ }

+

+ void handleServiceDiscovered(AvahiServiceBrowser *, AvahiIfIndex interfaceIndex, AvahiProtocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AvahiLookupResultFlags) {

+ switch (event) {

+ case AVAHI_BROWSER_FAILURE:

+ std::cout << "Service browse error" << std::endl;

+ MainEventLoop::postEvent(boost::bind(boost::ref(onError)), shared_from_this());

+ break;

+ case AVAHI_BROWSER_NEW: {

+ DNSSDServiceID service(name, domain, type, interfaceIndex);

+ std::cout << "Service discovered " << name << " " << type << " " << domain << std::endl;

+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceAdded), service), shared_from_this());

+ break;

+ }

+ case AVAHI_BROWSER_REMOVE: {

+ std::cout << "Service went away " << name << " " << type << " " << domain << std::endl;

+ DNSSDServiceID service(name, domain, type, interfaceIndex);

+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceRemoved), service), shared_from_this());

+ break;

+ }

+ case AVAHI_BROWSER_ALL_FOR_NOW:

+ case AVAHI_BROWSER_CACHE_EXHAUSTED:

+ break;

+ }

+ }

+ };

+}

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiQuerier.h"

+

+#include <iostream>

+

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiBrowseQuery.h"

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiResolveServiceQuery.h"

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiResolveHostnameQuery.h"

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiRegisterQuery.h"

+

+namespace Swift {

+

+AvahiQuerier::AvahiQuerier() : client(NULL), threadedPoll(NULL) {

+}

+

+AvahiQuerier::~AvahiQuerier() {

+}

+

+boost::shared_ptr<DNSSDBrowseQuery> AvahiQuerier::createBrowseQuery() {

+ return boost::shared_ptr<DNSSDBrowseQuery>(new AvahiBrowseQuery(shared_from_this()));

+}

+

+boost::shared_ptr<DNSSDRegisterQuery> AvahiQuerier::createRegisterQuery(const String& name, int port, const ByteArray& info) {

+ return boost::shared_ptr<DNSSDRegisterQuery>(new AvahiRegisterQuery(name, port, info, shared_from_this()));

+}

+

+boost::shared_ptr<DNSSDResolveServiceQuery> AvahiQuerier::createResolveServiceQuery(const DNSSDServiceID& service) {

+ return boost::shared_ptr<DNSSDResolveServiceQuery>(new AvahiResolveServiceQuery(service, shared_from_this()));

+}

+

+boost::shared_ptr<DNSSDResolveHostnameQuery> AvahiQuerier::createResolveHostnameQuery(const String& hostname, int interfaceIndex) {

+ return boost::shared_ptr<DNSSDResolveHostnameQuery>(new AvahiResolveHostnameQuery(hostname, interfaceIndex, shared_from_this()));

+}

+

+void AvahiQuerier::start() {

+ std::cout << "Starrting querier" << std::endl;

+ assert(!threadedPoll);

+ threadedPoll = avahi_threaded_poll_new();

+ int error;

+ assert(!client);

+ client = avahi_client_new(

+ avahi_threaded_poll_get(threadedPoll),

+ static_cast<AvahiClientFlags>(0), NULL, this, &error); // TODO

+ if (!client) {

+ // TODO

+ std::cerr << "Avahi Error: " << avahi_strerror(error) << std::endl;

+ return;

+ }

+ std::cout << "Starrting event loop" << std::endl;

+ avahi_threaded_poll_start(threadedPoll);

+}

+

+void AvahiQuerier::stop() {

+ assert(threadedPoll);

+ avahi_threaded_poll_stop(threadedPoll);

+ assert(client);

+ avahi_client_free(client);

+ avahi_threaded_poll_free(threadedPoll);

+}

+

+}

+#pragma once

+

+#include <boost/shared_ptr.hpp>

+#include <boost/enable_shared_from_this.hpp>

+#include <avahi-client/client.h>

+#include <avahi-client/lookup.h>

+#include <avahi-common/thread-watch.h>

+#include <avahi-common/watch.h>

+#include <avahi-common/malloc.h>

+#include <avahi-common/error.h>

+

+#include "Swiften/LinkLocal/DNSSD/DNSSDQuerier.h"

+

+namespace Swift {

+ class ByteArray;

+

+ class AvahiQuerier :

+ public DNSSDQuerier,

+ public boost::enable_shared_from_this<AvahiQuerier> {

+ public:

+ AvahiQuerier();

+ ~AvahiQuerier();

+

+ boost::shared_ptr<DNSSDBrowseQuery> createBrowseQuery();

+ boost::shared_ptr<DNSSDRegisterQuery> createRegisterQuery(

+ const String& name, int port, const ByteArray& info);

+ boost::shared_ptr<DNSSDResolveServiceQuery> createResolveServiceQuery(

+ const DNSSDServiceID&);

+ boost::shared_ptr<DNSSDResolveHostnameQuery> createResolveHostnameQuery(

+ const String& hostname, int interfaceIndex);

+

+ void start();

+ void stop();

+

+ AvahiThreadedPoll* getThreadedPoll() const {

+ return threadedPoll;

+ }

+

+ AvahiClient* getClient() const {

+ return client;

+ }

+

+ private:

+ AvahiClient* client;

+ AvahiThreadedPoll* threadedPoll;

+ };

+}

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiQuery.h"

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiQuerier.h"

+

+namespace Swift {

+

+AvahiQuery::AvahiQuery(boost::shared_ptr<AvahiQuerier> q) : querier(q) {

+}

+

+AvahiQuery::~AvahiQuery() {

+}

+

+}

+

+#pragma once

+

+#include <boost/shared_ptr.hpp>

+#include <boost/enable_shared_from_this.hpp>

+

+#include "Swiften/EventLoop/EventOwner.h"

+

+namespace Swift {

+ class AvahiQuerier;

+

+ class AvahiQuery :

+ public EventOwner,

+ public boost::enable_shared_from_this<AvahiQuery> {

+ public:

+ AvahiQuery(boost::shared_ptr<AvahiQuerier>);

+ virtual ~AvahiQuery();

+

+ protected:

+ boost::shared_ptr<AvahiQuerier> querier;

+ };

+}

+

+#pragma once

+

+#include <avahi-client/publish.h>

+

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiQuery.h"

+#include "Swiften/LinkLocal/DNSSD/DNSSDRegisterQuery.h"

+#include "Swiften/Base/ByteArray.h"

+#include "Swiften/EventLoop/MainEventLoop.h"

+

+namespace Swift {

+ class AvahiQuerier;

+

+ class AvahiRegisterQuery : public DNSSDRegisterQuery, public AvahiQuery {

+ public:

+ AvahiRegisterQuery(const String& name, int port, const ByteArray& txtRecord, boost::shared_ptr<AvahiQuerier> querier) : AvahiQuery(querier), name(name), port(port), txtRecord(txtRecord), group(0) {

+ }

+

+ void registerService() {

+ std::cout << "Registering service " << name << ":" << port << std::endl;

+ avahi_threaded_poll_lock(querier->getThreadedPoll());

+ if (!group) {

+ std::cout << "Creating entry group" << std::endl;

+ group = avahi_entry_group_new(querier->getClient(), handleEntryGroupChange, this);

+ if (!group) {

+ std::cout << "Error ceating entry group" << std::endl;

+ MainEventLoop::postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>()), shared_from_this());

+ }

+ }

+

+ doRegisterService();

+ avahi_threaded_poll_unlock(querier->getThreadedPoll());

+ }

+

+ void unregisterService() {

+ }

+

+ void updateServiceInfo(const ByteArray& txtRecord) {

+ this->txtRecord = txtRecord;

+ avahi_threaded_poll_lock(querier->getThreadedPoll());

+ assert(group);

+ avahi_entry_group_reset(group);

+ doRegisterService();

+ avahi_threaded_poll_unlock(querier->getThreadedPoll());

+ }

+

+ private:

+ void doRegisterService() {

+ AvahiStringList* txtList;

+ avahi_string_list_parse(txtRecord.getData(), txtRecord.getSize(), &txtList);

+

+ int result = avahi_entry_group_add_service_strlst(group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, (AvahiPublishFlags) 0, name.getUTF8Data(), "_presence._tcp", NULL, NULL, port, txtList);

+ if (result < 0) {

+ std::cout << "Error registering service: " << avahi_strerror(result) << std::endl;

+ MainEventLoop::postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>()), shared_from_this());

+ }

+ result = avahi_entry_group_commit(group);

+ if (result < 0) {

+ std::cout << "Error registering service: " << avahi_strerror(result) << std::endl;

+ }

+ }

+

+ static void handleEntryGroupChange(AvahiEntryGroup *g, AvahiEntryGroupState state, void *userdata) {

+ static_cast<AvahiRegisterQuery*>(userdata)->handleEntryGroupChange(g, state);

+ }

+

+ void handleEntryGroupChange(AvahiEntryGroup* g, AvahiEntryGroupState state) {

+ std::cout << "ENtry group callback: " << state << std::endl;

+ switch (state) {

+ case AVAHI_ENTRY_GROUP_ESTABLISHED :

+ // Domain is a hack!

+ MainEventLoop::postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>(DNSSDServiceID(name, "local", "_presence._tcp", 0))), shared_from_this());

+ std::cout << "Entry group established" << std::endl;

+ break;

+ case AVAHI_ENTRY_GROUP_COLLISION : {

+ std::cout << "Entry group collision" << std::endl;

+ /*char *n;

+ n = avahi_alternative_service_name(name);

+ avahi_free(name);

+ name = n;*/

+ break;

+ }

+

+ case AVAHI_ENTRY_GROUP_FAILURE :

+ std::cout << "Entry group failure " << avahi_strerror(avahi_client_errno(avahi_entry_group_get_client(g))) << std::endl;

+ break;

+

+ case AVAHI_ENTRY_GROUP_UNCOMMITED:

+ case AVAHI_ENTRY_GROUP_REGISTERING:

+ ;

+

+ /*

+ DNSServiceErrorType result = DNSServiceRegister(

+ &sdRef, 0, 0, name.getUTF8Data(), "_presence._tcp", NULL, NULL, port,

+ txtRecord.getSize(), txtRecord.getData(),

+ &AvahiRegisterQuery::handleServiceRegisteredStatic, this);

+ if (result != kDNSServiceErr_NoError) {

+ sdRef = NULL;

+ }*/

+ //MainEventLoop::postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>()), shared_from_this());

+ }

+ }

+

+/*

+ static void handleServiceRegisteredStatic(DNSServiceRef, DNSServiceFlags, DNSServiceErrorType errorCode, const char *name, const char *regtype, const char *domain, void *context) {

+ static_cast<AvahiRegisterQuery*>(context)->handleServiceRegistered(errorCode, name, regtype, domain);

+ }

+

+ void handleServiceRegistered(DNSServiceErrorType errorCode, const char *name, const char *regtype, const char *domain) {

+ if (errorCode != kDNSServiceErr_NoError) {

+ MainEventLoop::postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<DNSSDServiceID>()), shared_from_this());

+ }

+ else {

+ }

+ }

+ */

+

+ private:

+ String name;

+ int port;

+ ByteArray txtRecord;

+ AvahiEntryGroup* group;

+ };

+}

+#pragma once

+

+#include "Swiften/Base/String.h"

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiQuery.h"

+#include "Swiften/LinkLocal/DNSSD/DNSSDResolveHostnameQuery.h"

+#include "Swiften/EventLoop/MainEventLoop.h"

+#include "Swiften/Network/HostAddress.h"

+

+#include <netinet/in.h>

+

+namespace Swift {

+ class AvahiQuerier;

+

+ class AvahiResolveHostnameQuery : public DNSSDResolveHostnameQuery, public AvahiQuery {

+ public:

+ AvahiResolveHostnameQuery(const String& hostname, int, boost::shared_ptr<AvahiQuerier> querier) : AvahiQuery(querier), hostname(hostname) {

+ std::cout << "Resolving hostname " << hostname << std::endl;

+ }

+

+ void run() {

+ MainEventLoop::postEvent(boost::bind(boost::ref(onHostnameResolved), boost::optional<HostAddress>(HostAddress(hostname))), shared_from_this());

+ }

+

+ void finish() {

+ }

+

+ private:

+ HostAddress hostAddress;

+ String hostname;

+ };

+}

+#pragma once

+

+#include "Swiften/LinkLocal/DNSSD/Avahi/AvahiQuery.h"

+#include "Swiften/LinkLocal/DNSSD/DNSSDResolveServiceQuery.h"

+#include "Swiften/LinkLocal/LinkLocalServiceInfo.h"

+#include "Swiften/Base/ByteArray.h"

+#include "Swiften/EventLoop/MainEventLoop.h"

+

+namespace Swift {

+ class AvahiQuerier;

+

+ class AvahiResolveServiceQuery : public DNSSDResolveServiceQuery, public AvahiQuery {

+ public:

+ AvahiResolveServiceQuery(const DNSSDServiceID& service, boost::shared_ptr<AvahiQuerier> querier) : AvahiQuery(querier), service(service), resolver(NULL) {

+ }

+

+ void start() {

+ std::cout << "Resolving " << service.getName() << std::endl;

+ avahi_threaded_poll_lock(querier->getThreadedPoll());

+ assert(!resolver);

+ resolver = avahi_service_resolver_new(querier->getClient(), service.getNetworkInterfaceID(), AVAHI_PROTO_UNSPEC, service.getName().getUTF8Data(), service.getType().getUTF8Data(), service.getDomain().getUTF8Data(), AVAHI_PROTO_UNSPEC, (AvahiLookupFlags) 0, handleServiceResolvedStatic, this);

+ if (!resolver) {

+ std::cout << "Error starting resolver" << std::endl;

+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceResolved), boost::optional<Result>()), shared_from_this());

+ }

+ avahi_threaded_poll_unlock(querier->getThreadedPoll());

+ }

+

+ void stop() {

+ avahi_threaded_poll_lock(querier->getThreadedPoll());

+ avahi_service_resolver_free(resolver);

+ resolver = NULL;

+ avahi_threaded_poll_unlock(querier->getThreadedPoll());

+ }

+

+ private:

+ static void handleServiceResolvedStatic(AvahiServiceResolver* resolver, AvahiIfIndex interfaceIndex, 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* context) {

+ static_cast<AvahiResolveServiceQuery*>(context)->handleServiceResolved(resolver, interfaceIndex, protocol, event, name, type, domain, host_name, address, port, txt, flags);

+ }

+

+ void handleServiceResolved(AvahiServiceResolver* resolver, AvahiIfIndex, AvahiProtocol, AvahiResolverEvent event, const char *name, const char * type, const char* domain, const char * /*host_name*/, const AvahiAddress *address, uint16_t port, AvahiStringList *txt, AvahiLookupResultFlags) {

+ std::cout << "Resolve finished" << std::endl;

+ switch(event) {

+ case AVAHI_RESOLVER_FAILURE:

+ std::cout << "Resolve error " << avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(resolver))) << std::endl;

+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceResolved), boost::optional<Result>()), shared_from_this());

+ break;

+ case AVAHI_RESOLVER_FOUND: {

+ char a[AVAHI_ADDRESS_STR_MAX];

+ avahi_address_snprint(a, sizeof(a), address);

+

+ ByteArray txtRecord;

+ txtRecord.resize(1024);

+ avahi_string_list_serialize(txt, txtRecord.getData(), txtRecord.getSize());

+

+ // FIXME: Probably not accurate

+ String fullname = String(name) + "." + String(type) + "." + String(domain) + ".";

+ std::cout << "Result: " << fullname << "->" << String(a) << ":" << port << std::endl;

+ MainEventLoop::postEvent(

+ boost::bind(

+ boost::ref(onServiceResolved),

+ Result(fullname, String(a), port, txtRecord)),

+ shared_from_this());

+ break;

+ }

+ }

+ }

+

+ private:

+ DNSSDServiceID service;

+ AvahiServiceResolver* resolver;

+ };

+}