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authorRemko Tronçon <git@el-tramo.be>2009-07-25 09:37:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-07-25 09:37:42 (GMT)
commit0f77a684b42f25052eb1cfa688721e321526a90d (patch)
tree226c07deff7a663f8aefdfc8814e9ecd04085999 /Swiften/LinkLocal/DNSSD/Bonjour
parentb33a2937fe4a3cae0017892ad7f5c27b8a6f976d (diff)
downloadswift-0f77a684b42f25052eb1cfa688721e321526a90d.zip
swift-0f77a684b42f25052eb1cfa688721e321526a90d.tar.bz2
Created DNSSD submodule for LinkLocal.
Diffstat (limited to 'Swiften/LinkLocal/DNSSD/Bonjour')
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourBrowseQuery.h51
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.cpp128
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.h50
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.cpp31
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h32
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourRegisterQuery.h50
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveHostnameQuery.h54
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveServiceQuery.h53
-rw-r--r--Swiften/LinkLocal/DNSSD/Bonjour/Makefile.inc3
9 files changed, 452 insertions, 0 deletions
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourBrowseQuery.h b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourBrowseQuery.h
new file mode 100644
index 0000000..edff064
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourBrowseQuery.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h"
+#include "Swiften/LinkLocal/DNSSD/DNSSDBrowseQuery.h"
+#include "Swiften/EventLoop/MainEventLoop.h"
+
+namespace Swift {
+ class BonjourQuerier;
+
+ class BonjourBrowseQuery : public DNSSDBrowseQuery, public BonjourQuery {
+ public:
+ BonjourBrowseQuery(boost::shared_ptr<BonjourQuerier> q) : BonjourQuery(q) {
+ DNSServiceErrorType result = DNSServiceBrowse(
+ &sdRef, 0, 0, "_presence._tcp", 0,
+ &BonjourBrowseQuery::handleServiceDiscoveredStatic, this);
+ if (result != kDNSServiceErr_NoError) {
+ std::cout << "Error" << std::endl;
+ // TODO
+ }
+ }
+
+ void startBrowsing() {
+ assert(sdRef);
+ run();
+ }
+
+ void stopBrowsing() {
+ finish();
+ }
+
+ private:
+ static void handleServiceDiscoveredStatic(DNSServiceRef, DNSServiceFlags flags, uint32_t interfaceIndex, DNSServiceErrorType errorCode, const char *name, const char *type, const char *domain, void *context) {
+ static_cast<BonjourBrowseQuery*>(context)->handleServiceDiscovered(flags, interfaceIndex, errorCode, name, type, domain);
+ }
+
+ void handleServiceDiscovered(DNSServiceFlags flags, uint32_t interfaceIndex, DNSServiceErrorType errorCode, const char *name, const char *type, const char *domain) {
+ if (errorCode != kDNSServiceErr_NoError) {
+ return;
+ }
+ else {
+ LinkLocalServiceID service(name, type, domain, interfaceIndex);
+ if (flags & kDNSServiceFlagsAdd) {
+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceAdded), service), shared_from_this());
+ }
+ else {
+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceRemoved), service), shared_from_this());
+ }
+ }
+ }
+ };
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.cpp b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.cpp
new file mode 100644
index 0000000..064e3c5
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.cpp
@@ -0,0 +1,128 @@
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.h"
+
+#include <unistd.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourBrowseQuery.h"
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourRegisterQuery.h"
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveServiceQuery.h"
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveHostnameQuery.h"
+#include "Swiften/Base/foreach.h"
+
+namespace Swift {
+
+BonjourQuerier::BonjourQuerier() : stopRequested(false), thread(0) {
+ int fds[2];
+ int result = pipe(fds);
+ assert(result == 0);
+ interruptSelectReadSocket = fds[0];
+ fcntl(interruptSelectReadSocket, F_SETFL, fcntl(interruptSelectReadSocket, F_GETFL)|O_NONBLOCK);
+ interruptSelectWriteSocket = fds[1];
+}
+
+BonjourQuerier::~BonjourQuerier() {
+ stop();
+}
+
+boost::shared_ptr<DNSSDBrowseQuery> BonjourQuerier::createBrowseQuery() {
+ return boost::shared_ptr<DNSSDBrowseQuery>(new BonjourBrowseQuery(shared_from_this()));
+}
+
+boost::shared_ptr<DNSSDRegisterQuery> BonjourQuerier::createRegisterQuery(const String& name, int port, const LinkLocalServiceInfo& info) {
+ return boost::shared_ptr<DNSSDRegisterQuery>(new BonjourRegisterQuery(name, port, info, shared_from_this()));
+}
+
+boost::shared_ptr<DNSSDResolveServiceQuery> BonjourQuerier::createResolveServiceQuery(const LinkLocalServiceID& service) {
+ return boost::shared_ptr<DNSSDResolveServiceQuery>(new BonjourResolveServiceQuery(service, shared_from_this()));
+}
+
+boost::shared_ptr<DNSSDResolveHostnameQuery> BonjourQuerier::createResolveHostnameQuery(const String& hostname, int interfaceIndex) {
+ return boost::shared_ptr<DNSSDResolveHostnameQuery>(new BonjourResolveHostnameQuery(hostname, interfaceIndex, shared_from_this()));
+}
+
+void BonjourQuerier::addRunningQuery(boost::shared_ptr<BonjourQuery> query) {
+ {
+ boost::lock_guard<boost::mutex> lock(runningQueriesMutex);
+ runningQueries.push_back(query);
+ }
+ runningQueriesAvailableEvent.notify_one();
+ interruptSelect();
+}
+
+void BonjourQuerier::removeRunningQuery(boost::shared_ptr<BonjourQuery> query) {
+ {
+ boost::lock_guard<boost::mutex> lock(runningQueriesMutex);
+ runningQueries.erase(std::remove(
+ runningQueries.begin(), runningQueries.end(), query), runningQueries.end());
+ }
+}
+
+void BonjourQuerier::interruptSelect() {
+ char c = 0;
+ write(interruptSelectWriteSocket, &c, 1);
+}
+
+void BonjourQuerier::start() {
+ stop();
+ thread = new boost::thread(boost::bind(&BonjourQuerier::run, shared_from_this()));
+}
+
+void BonjourQuerier::stop() {
+ if (thread) {
+ stopRequested = true;
+ runningQueries.clear(); // TODO: Is this the right thing to do?
+ runningQueriesAvailableEvent.notify_one();
+ interruptSelect();
+ thread->join();
+ delete thread;
+ stopRequested = false;
+ }
+}
+
+void BonjourQuerier::run() {
+ while (!stopRequested) {
+ fd_set fdSet;
+ int maxSocket;
+ {
+ boost::unique_lock<boost::mutex> lock(runningQueriesMutex);
+ if (runningQueries.empty()) {
+ runningQueriesAvailableEvent.wait(lock);
+ if (runningQueries.empty()) {
+ continue;
+ }
+ }
+
+ // Run all running queries
+ FD_ZERO(&fdSet);
+ maxSocket = interruptSelectReadSocket;
+ FD_SET(interruptSelectReadSocket, &fdSet);
+
+ foreach(const boost::shared_ptr<BonjourQuery>& query, runningQueries) {
+ int socketID = query->getSocketID();
+ maxSocket = std::max(maxSocket, socketID);
+ FD_SET(socketID, &fdSet);
+ }
+ }
+
+ if (select(maxSocket+1, &fdSet, NULL, NULL, 0) <= 0) {
+ continue;
+ }
+
+ if (FD_ISSET(interruptSelectReadSocket, &fdSet)) {
+ char dummy;
+ while (read(interruptSelectReadSocket, &dummy, 1) > 0) {}
+ }
+
+ {
+ boost::lock_guard<boost::mutex> lock(runningQueriesMutex);
+ foreach(boost::shared_ptr<BonjourQuery> query, runningQueries) {
+ if (FD_ISSET(query->getSocketID(), &fdSet)) {
+ query->processResult();
+ }
+ }
+ }
+ }
+}
+
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.h b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.h
new file mode 100644
index 0000000..79f9a81
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.h
@@ -0,0 +1,50 @@
+#pragma once
+
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <list>
+#include <boost/thread.hpp>
+#include <boost/thread/mutex.hpp>
+
+#include "Swiften/LinkLocal/DNSSD/DNSSDQuerier.h"
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h"
+
+namespace Swift {
+ class LinkLocalServiceInfo;
+
+ class BonjourQuerier :
+ public DNSSDQuerier,
+ public boost::enable_shared_from_this<BonjourQuerier> {
+ public:
+ BonjourQuerier();
+ ~BonjourQuerier();
+
+ boost::shared_ptr<DNSSDBrowseQuery> createBrowseQuery();
+ boost::shared_ptr<DNSSDRegisterQuery> createRegisterQuery(
+ const String& name, int port, const LinkLocalServiceInfo& info);
+ boost::shared_ptr<DNSSDResolveServiceQuery> createResolveServiceQuery(
+ const LinkLocalServiceID&);
+ boost::shared_ptr<DNSSDResolveHostnameQuery> createResolveHostnameQuery(
+ const String& hostname, int interfaceIndex);
+
+ void start();
+ void stop();
+
+ private:
+ friend class BonjourQuery;
+
+ void addRunningQuery(boost::shared_ptr<BonjourQuery>);
+ void removeRunningQuery(boost::shared_ptr<BonjourQuery>);
+ void interruptSelect();
+ void run();
+
+ private:
+ bool stopRequested;
+ boost::thread* thread;
+ boost::mutex runningQueriesMutex;
+ std::list< boost::shared_ptr<BonjourQuery> > runningQueries;
+ int interruptSelectReadSocket;
+ int interruptSelectWriteSocket;
+ boost::condition_variable runningQueriesAvailableEvent;
+ };
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.cpp b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.cpp
new file mode 100644
index 0000000..c1c481b
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.cpp
@@ -0,0 +1,31 @@
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h"
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.h"
+
+namespace Swift {
+
+BonjourQuery::BonjourQuery(boost::shared_ptr<BonjourQuerier> q) : querier(q), sdRef(0) {
+}
+
+BonjourQuery::~BonjourQuery() {
+ DNSServiceRefDeallocate(sdRef);
+}
+
+void BonjourQuery::processResult() {
+ boost::lock_guard<boost::mutex> lock(sdRefMutex);
+ DNSServiceProcessResult(sdRef);
+}
+
+int BonjourQuery::getSocketID() const {
+ boost::lock_guard<boost::mutex> lock(sdRefMutex);
+ return DNSServiceRefSockFD(sdRef);
+}
+
+void BonjourQuery::run() {
+ querier->addRunningQuery(shared_from_this());
+}
+
+void BonjourQuery::finish() {
+ querier->removeRunningQuery(shared_from_this());
+}
+
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h
new file mode 100644
index 0000000..bdb91a4
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <dns_sd.h>
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <boost/thread/mutex.hpp>
+
+#include "Swiften/EventLoop/EventOwner.h"
+
+namespace Swift {
+ class BonjourQuerier;
+
+ class BonjourQuery :
+ public EventOwner,
+ public boost::enable_shared_from_this<BonjourQuery> {
+ public:
+ BonjourQuery(boost::shared_ptr<BonjourQuerier>);
+ virtual ~BonjourQuery();
+
+ void processResult();
+ int getSocketID() const;
+
+ protected:
+ void run();
+ void finish();
+
+ protected:
+ boost::shared_ptr<BonjourQuerier> querier;
+ mutable boost::mutex sdRefMutex;
+ DNSServiceRef sdRef;
+ };
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourRegisterQuery.h b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourRegisterQuery.h
new file mode 100644
index 0000000..31e86fc
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourRegisterQuery.h
@@ -0,0 +1,50 @@
+#pragma once
+
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h"
+#include "Swiften/LinkLocal/DNSSD/DNSSDRegisterQuery.h"
+#include "Swiften/LinkLocal/LinkLocalServiceInfo.h"
+#include "Swiften/Base/ByteArray.h"
+#include "Swiften/EventLoop/MainEventLoop.h"
+
+namespace Swift {
+ class BonjourQuerier;
+
+ class BonjourRegisterQuery : public DNSSDRegisterQuery, public BonjourQuery {
+ public:
+ BonjourRegisterQuery(const String& name, int port, const LinkLocalServiceInfo& info, boost::shared_ptr<BonjourQuerier> querier) : BonjourQuery(querier) {
+ ByteArray txtRecord = info.toTXTRecord();
+ DNSServiceErrorType result = DNSServiceRegister(
+ &sdRef, 0, 0, name.getUTF8Data(), "_presence._tcp", NULL, NULL, port,
+ txtRecord.getSize(), txtRecord.getData(),
+ &BonjourRegisterQuery::handleServiceRegisteredStatic, this);
+ if (result != kDNSServiceErr_NoError) {
+ // TODO
+ std::cerr << "Error creating service registration" << std::endl;
+ }
+ }
+
+ void registerService() {
+ run();
+ }
+
+ void updateServiceInfo(const LinkLocalServiceInfo& info) {
+ boost::lock_guard<boost::mutex> lock(sdRefMutex);
+ ByteArray txtRecord = info.toTXTRecord();
+ DNSServiceUpdateRecord(sdRef, NULL, NULL, txtRecord.getSize(), txtRecord.getData(), 0);
+ }
+
+ private:
+ static void handleServiceRegisteredStatic(DNSServiceRef, DNSServiceFlags, DNSServiceErrorType errorCode, const char *name, const char *regtype, const char *domain, void *context) {
+ static_cast<BonjourRegisterQuery*>(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<LinkLocalServiceID>()), shared_from_this());
+ }
+ else {
+ MainEventLoop::postEvent(boost::bind(boost::ref(onRegisterFinished), boost::optional<LinkLocalServiceID>(LinkLocalServiceID(name, regtype, domain, 0))), shared_from_this());
+ }
+ }
+ };
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveHostnameQuery.h b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveHostnameQuery.h
new file mode 100644
index 0000000..58c6588
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveHostnameQuery.h
@@ -0,0 +1,54 @@
+#pragma once
+
+#include "Swiften/Base/String.h"
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.h"
+#include "Swiften/LinkLocal/DNSSD/DNSSDResolveHostnameQuery.h"
+#include "Swiften/EventLoop/MainEventLoop.h"
+#include "Swiften/Network/HostAddress.h"
+
+#include <netinet/in.h>
+
+namespace Swift {
+ class BonjourQuerier;
+
+ class BonjourResolveHostnameQuery : public DNSSDResolveHostnameQuery, public BonjourQuery {
+ public:
+ BonjourResolveHostnameQuery(const String& hostname, int interfaceIndex, boost::shared_ptr<BonjourQuerier> querier) : BonjourQuery(querier) {
+ DNSServiceErrorType result = DNSServiceGetAddrInfo(
+ &sdRef, 0, interfaceIndex, kDNSServiceProtocol_IPv4,
+ hostname.getUTF8Data(),
+ &BonjourResolveHostnameQuery::handleHostnameResolvedStatic, this);
+ if (result != kDNSServiceErr_NoError) {
+ MainEventLoop::postEvent(boost::bind(boost::ref(onHostnameResolved), boost::optional<HostAddress>()), shared_from_this());
+ }
+ }
+
+ //void DNSSDResolveHostnameQuery::run() {
+ void run() {
+ BonjourQuery::run();
+ }
+
+ private:
+ static void handleHostnameResolvedStatic(DNSServiceRef, DNSServiceFlags, uint32_t, DNSServiceErrorType errorCode, const char*, const struct sockaddr *address, uint32_t, void *context) {
+ static_cast<BonjourResolveHostnameQuery*>(context)->handleHostnameResolved(errorCode, address);
+ }
+
+ void handleHostnameResolved(DNSServiceErrorType errorCode, const struct sockaddr *rawAddress) {
+ if (errorCode) {
+ MainEventLoop::postEvent(
+ boost::bind(boost::ref(onHostnameResolved),
+ boost::optional<HostAddress>()),
+ shared_from_this());
+ }
+ else {
+ assert(rawAddress->sa_family == AF_INET);
+ const sockaddr_in* sa = reinterpret_cast<const sockaddr_in*>(rawAddress);
+ uint32_t address = ntohl(sa->sin_addr.s_addr);
+ MainEventLoop::postEvent(boost::bind(
+ boost::ref(onHostnameResolved),
+ HostAddress(reinterpret_cast<unsigned char*>(&address), 4)),
+ shared_from_this());
+ }
+ }
+ };
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveServiceQuery.h b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveServiceQuery.h
new file mode 100644
index 0000000..1afdf5a
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/BonjourResolveServiceQuery.h
@@ -0,0 +1,53 @@
+#pragma once
+
+#include "Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.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 BonjourQuerier;
+
+ class BonjourResolveServiceQuery : public DNSSDResolveServiceQuery, public BonjourQuery {
+ public:
+ BonjourResolveServiceQuery(const LinkLocalServiceID& service, boost::shared_ptr<BonjourQuerier> querier) : BonjourQuery(querier) {
+ DNSServiceErrorType result = DNSServiceResolve(
+ &sdRef, 0, service.getNetworkInterfaceID(),
+ service.getName().getUTF8Data(), service.getType().getUTF8Data(),
+ service.getDomain().getUTF8Data(),
+ &BonjourResolveServiceQuery::handleServiceResolvedStatic, this);
+ if (result != kDNSServiceErr_NoError) {
+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceResolved), boost::optional<Result>()), shared_from_this());
+ }
+ }
+
+ void start() {
+ run();
+ }
+
+ void stop() {
+ finish();
+ }
+
+ private:
+ static void handleServiceResolvedStatic(DNSServiceRef, DNSServiceFlags, uint32_t, DNSServiceErrorType errorCode, const char *fullname, const char *hosttarget, uint16_t port, uint16_t txtLen, const unsigned char *txtRecord, void *context) {
+ static_cast<BonjourResolveServiceQuery*>(context)->handleServiceResolved(errorCode, fullname, hosttarget, port, txtLen, txtRecord);
+ }
+
+ void handleServiceResolved(DNSServiceErrorType errorCode, const char* fullName, const char* host, uint16_t port, uint16_t txtLen, const unsigned char *txtRecord) {
+ if (errorCode != kDNSServiceErr_NoError) {
+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceResolved), boost::optional<Result>()), shared_from_this());
+ }
+ else {
+ MainEventLoop::postEvent(
+ boost::bind(
+ boost::ref(onServiceResolved),
+ Result(String(fullName), String(host), port,
+ LinkLocalServiceInfo::createFromTXTRecord(
+ ByteArray(reinterpret_cast<const char*>(txtRecord), txtLen)))),
+ shared_from_this());
+ }
+ }
+ };
+}
diff --git a/Swiften/LinkLocal/DNSSD/Bonjour/Makefile.inc b/Swiften/LinkLocal/DNSSD/Bonjour/Makefile.inc
new file mode 100644
index 0000000..efa329d
--- /dev/null
+++ b/Swiften/LinkLocal/DNSSD/Bonjour/Makefile.inc
@@ -0,0 +1,3 @@
+SWIFTEN_SOURCES += \
+ Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuery.cpp \
+ Swiften/LinkLocal/DNSSD/Bonjour/BonjourQuerier.cpp