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authorRemko Tronçon <git@el-tramo.be>2009-07-17 22:56:16 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-07-17 23:04:13 (GMT)
commit633c82407e47ec2ba7a92cef9c5b30a24a93fc68 (patch)
tree5197e2565926523a7e8a882473c92457299895b9 /Swiften/LinkLocal
parentde745f71cff330f37637c73d44c30acfb6f70a93 (diff)
downloadswift-contrib-633c82407e47ec2ba7a92cef9c5b30a24a93fc68.zip
swift-contrib-633c82407e47ec2ba7a92cef9c5b30a24a93fc68.tar.bz2
Resolve LinkLocal services.
Diffstat (limited to 'Swiften/LinkLocal')
-rw-r--r--Swiften/LinkLocal/AppleDNSSDService.cpp73
-rw-r--r--Swiften/LinkLocal/AppleDNSSDService.h6
-rw-r--r--Swiften/LinkLocal/DNSSDService.h33
-rw-r--r--Swiften/LinkLocal/LinkLocalRoster.cpp24
-rw-r--r--Swiften/LinkLocal/LinkLocalRoster.h4
5 files changed, 129 insertions, 11 deletions
diff --git a/Swiften/LinkLocal/AppleDNSSDService.cpp b/Swiften/LinkLocal/AppleDNSSDService.cpp
index 4dd74eb..abf8548 100644
--- a/Swiften/LinkLocal/AppleDNSSDService.cpp
+++ b/Swiften/LinkLocal/AppleDNSSDService.cpp
@@ -12,17 +12,12 @@ namespace Swift {
#if 0
namespace {
- void handleServiceResolved( DNSServiceRef sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, DNSServiceErrorType errorCode, const char *fullname, const char *hosttarget, uint16_t port, uint16_t txtLen, const unsigned char *txtRecord, void *context ) {
- std::cerr << "Service resolved " << fullname << " " << hosttarget << " " << port << " " << txtLen << " " << /*std::string((const char*) txtRecord, txtLen) <<*/ std::endl;
- }
-
void handleAddressInfoReceived ( DNSServiceRef sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, DNSServiceErrorType errorCode, const char *hostname, const struct sockaddr *address, uint32_t ttl, void *context ) {
//std::cerr << "Address received " << HostAddress((const unsigned char*) address->sa_data, 4).toString() << std::endl;
}
}
/*
- result = DNSServiceResolve(&resolveSDRef, 0, 6, "Remko@Micro", "_presence._tcp.", "local.", handleServiceResolved , 0);
result = DNSServiceGetAddrInfo(&addressSDRef, 0, 6, kDNSServiceProtocol_IPv4, "Micro.local.", handleAddressInfoReceived, 0);
*/
#endif
@@ -51,19 +46,47 @@ void AppleDNSSDService::registerService(const String& name, int port, const Link
assert(!registerSDRef);
ByteArray txtRecord = info.toTXTRecord();
DNSServiceErrorType result = DNSServiceRegister(&registerSDRef, 0, 0, name.getUTF8Data(), "_presence._tcp", NULL, NULL, port, txtRecord.getSize(), txtRecord.getData(), &AppleDNSSDService::handleServiceRegisteredGlobal, this);
- interruptSelect();
if (result != kDNSServiceErr_NoError) {
onError();
}
+
+ interruptSelect();
}
void AppleDNSSDService::unregisterService() {
boost::lock_guard<boost::mutex> lock(sdRefsMutex);
assert(registerSDRef);
- interruptSelect();
DNSServiceRefDeallocate(registerSDRef);
registerSDRef = NULL;
+
+ interruptSelect();
+}
+
+void AppleDNSSDService::startResolvingService(const Service& service) {
+ boost::lock_guard<boost::mutex> lock(sdRefsMutex);
+
+ DNSServiceRef resolveSDRef;
+ DNSServiceErrorType result = DNSServiceResolve(&resolveSDRef, 0, service.networkInterface, service.name.getUTF8Data(), service.type.getUTF8Data(), service.domain.getUTF8Data(), &AppleDNSSDService::handleServiceResolvedGlobal, this);
+ if (result != kDNSServiceErr_NoError) {
+ onError();
+ }
+
+ bool isNew = resolveSDRefs.insert(std::make_pair(service, resolveSDRef)).second;
+ assert(isNew);
+
+ interruptSelect();
+}
+
+void AppleDNSSDService::stopResolvingService(const Service& service) {
+ boost::lock_guard<boost::mutex> lock(sdRefsMutex);
+
+ ServiceSDRefMap::iterator i = resolveSDRefs.find(service);
+ assert(i != resolveSDRefs.end());
+ DNSServiceRefDeallocate(i->second);
+ resolveSDRefs.erase(i);
+
+ interruptSelect();
}
void AppleDNSSDService::stop() {
@@ -89,14 +112,15 @@ void AppleDNSSDService::doStart() {
while (!stopRequested) {
fd_set fdSet;
FD_ZERO(&fdSet);
- int maxSocket = 0;
+ int maxSocket = interruptSelectReadSocket;
+ FD_SET(interruptSelectReadSocket, &fdSet);
{
boost::lock_guard<boost::mutex> lock(sdRefsMutex);
// Browsing
int browseSocket = DNSServiceRefSockFD(browseSDRef);
- maxSocket = browseSocket;
+ maxSocket = std::max(maxSocket, browseSocket);
FD_SET(browseSocket, &fdSet);
// Registration
@@ -105,6 +129,13 @@ void AppleDNSSDService::doStart() {
maxSocket = std::max(maxSocket, registerSocket);
FD_SET(registerSocket, &fdSet);
}
+
+ // Resolving
+ for (ServiceSDRefMap::const_iterator i = resolveSDRefs.begin(); i != resolveSDRefs.end(); ++i) {
+ int resolveSocket = DNSServiceRefSockFD(i->second);
+ maxSocket = std::max(maxSocket, resolveSocket);
+ FD_SET(resolveSocket, &fdSet);
+ }
}
int selectResult = select(maxSocket+1, &fdSet, NULL, NULL, 0);
@@ -125,6 +156,11 @@ void AppleDNSSDService::doStart() {
if (registerSDRef && FD_ISSET(DNSServiceRefSockFD(registerSDRef), &fdSet)) {
DNSServiceProcessResult(registerSDRef);
}
+ for (ServiceSDRefMap::const_iterator i = resolveSDRefs.begin(); i != resolveSDRefs.end(); ++i) {
+ if (FD_ISSET(DNSServiceRefSockFD(i->second), &fdSet)) {
+ DNSServiceProcessResult(i->second);
+ }
+ }
}
}
@@ -174,4 +210,23 @@ void AppleDNSSDService::handleServiceRegistered(DNSServiceRef, DNSServiceFlags,
}
}
+void AppleDNSSDService::handleServiceResolvedGlobal(DNSServiceRef sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, DNSServiceErrorType errorCode, const char *fullname, const char *hosttarget, uint16_t port, uint16_t txtLen, const unsigned char *txtRecord, void *context ) {
+ static_cast<AppleDNSSDService*>(context)->handleServiceResolved(sdRef, flags, interfaceIndex, errorCode, fullname, hosttarget, port, txtLen, txtRecord);
+}
+
+void AppleDNSSDService::handleServiceResolved(DNSServiceRef sdRef, DNSServiceFlags, uint32_t, DNSServiceErrorType errorCode, const char *, const char *hosttarget, uint16_t port, uint16_t txtLen, const unsigned char *txtRecord) {
+ if (errorCode != kDNSServiceErr_NoError) {
+ std::cerr << "Resolve error " << hosttarget << std::endl;
+ return;
+ }
+ for (ServiceSDRefMap::const_iterator i = resolveSDRefs.begin(); i != resolveSDRefs.end(); ++i) {
+ if (i->second == sdRef) {
+ MainEventLoop::postEvent(boost::bind(boost::ref(onServiceResolved), i->first, ResolveResult(hosttarget, port, LinkLocalServiceInfo::createFromTXTRecord(ByteArray(reinterpret_cast<const char*>(txtRecord), txtLen)))), shared_from_this());
+ return;
+ }
+ }
+ assert(false);
+}
+
+
}
diff --git a/Swiften/LinkLocal/AppleDNSSDService.h b/Swiften/LinkLocal/AppleDNSSDService.h
index 6299a96..bf6b4aa 100644
--- a/Swiften/LinkLocal/AppleDNSSDService.h
+++ b/Swiften/LinkLocal/AppleDNSSDService.h
@@ -15,6 +15,8 @@ namespace Swift {
~AppleDNSSDService();
virtual void registerService(const String& name, int port, const LinkLocalServiceInfo&);
+ virtual void startResolvingService(const Service&);
+ virtual void stopResolvingService(const Service&);
virtual void unregisterService();
virtual void start();
virtual void stop();
@@ -27,6 +29,8 @@ namespace Swift {
void handleServiceDiscovered(DNSServiceRef, DNSServiceFlags, uint32_t, DNSServiceErrorType, const char *, const char *, const char *);
static void handleServiceRegisteredGlobal(DNSServiceRef, DNSServiceFlags, DNSServiceErrorType, const char *, const char *, const char *, void *);
void handleServiceRegistered(DNSServiceRef, DNSServiceFlags, DNSServiceErrorType, const char *, const char *, const char *);
+ static void handleServiceResolvedGlobal(DNSServiceRef, DNSServiceFlags, uint32_t, DNSServiceErrorType, const char *, const char *, uint16_t, uint16_t, const unsigned char *, void *);
+ void handleServiceResolved(DNSServiceRef, DNSServiceFlags, uint32_t, DNSServiceErrorType, const char *, const char *, uint16_t, uint16_t, const unsigned char *);
private:
boost::thread* thread;
@@ -36,5 +40,7 @@ namespace Swift {
boost::mutex sdRefsMutex;
DNSServiceRef browseSDRef;
DNSServiceRef registerSDRef;
+ typedef std::map<Service, DNSServiceRef> ServiceSDRefMap;
+ ServiceSDRefMap resolveSDRefs;
};
}
diff --git a/Swiften/LinkLocal/DNSSDService.h b/Swiften/LinkLocal/DNSSDService.h
index 214cad4..6a9425f 100644
--- a/Swiften/LinkLocal/DNSSDService.h
+++ b/Swiften/LinkLocal/DNSSDService.h
@@ -4,6 +4,7 @@
#include <map>
#include "Swiften/Base/String.h"
+#include "Swiften/LinkLocal/LinkLocalServiceInfo.h"
namespace Swift {
class LinkLocalServiceInfo;
@@ -12,21 +13,53 @@ namespace Swift {
public:
struct Service {
Service(const String& name, const String& type, const String& domain, int networkInterface) : name(name), type(type), domain(domain), networkInterface(networkInterface) {}
+ bool operator==(const Service& o) const {
+ return name == o.name && type == o.type && domain == o.domain && (networkInterface != 0 && o.networkInterface != 0 ? networkInterface == o.networkInterface : true);
+ }
+ bool operator<(const Service& o) const {
+ if (o.name == name) {
+ if (o.type == type) {
+ if (o.domain == domain) {
+ return networkInterface < o.networkInterface;
+ }
+ else {
+ return domain < o.domain;
+ }
+ }
+ else {
+ return type < o.type;
+ }
+ }
+ else {
+ return o.name < name;
+ }
+ }
+
String name;
String type;
String domain;
int networkInterface;
};
+ struct ResolveResult {
+ ResolveResult(const String& host, int port, const LinkLocalServiceInfo& info) : host(host), port(port), info(info) {}
+ String host;
+ int port;
+ LinkLocalServiceInfo info;
+ };
+
virtual ~DNSSDService();
virtual void registerService(const String& name, int port, const LinkLocalServiceInfo&) = 0;
+ virtual void startResolvingService(const Service&) = 0;
+ virtual void stopResolvingService(const Service&) = 0;
virtual void unregisterService() = 0;
virtual void start() = 0;
boost::signal<void (const Service&)> onServiceAdded;
boost::signal<void (const Service&)> onServiceRemoved;
boost::signal<void (const Service&)> onServiceRegistered;
+ boost::signal<void (const Service&, const ResolveResult&)> onServiceResolved;
boost::signal<void ()> onError;
};
}
diff --git a/Swiften/LinkLocal/LinkLocalRoster.cpp b/Swiften/LinkLocal/LinkLocalRoster.cpp
index 9f7e4ad..fde52a9 100644
--- a/Swiften/LinkLocal/LinkLocalRoster.cpp
+++ b/Swiften/LinkLocal/LinkLocalRoster.cpp
@@ -6,16 +6,36 @@
namespace Swift {
LinkLocalRoster::LinkLocalRoster(boost::shared_ptr<DNSSDService> service) : dnsSDService(service) {
- service->onServiceAdded.connect(boost::bind(&LinkLocalRoster::handleServiceAdded, this, _1));
- service->onServiceRemoved.connect(boost::bind(&LinkLocalRoster::handleServiceRemoved, this, _1));
+ dnsSDService->onServiceAdded.connect(boost::bind(&LinkLocalRoster::handleServiceAdded, this, _1));
+ dnsSDService->onServiceRemoved.connect(boost::bind(&LinkLocalRoster::handleServiceRemoved, this, _1));
+ dnsSDService->onServiceResolved.connect(boost::bind(&LinkLocalRoster::handleServiceResolved, this, _1, _2));
+ dnsSDService->onError.connect(boost::bind(&LinkLocalRoster::handleDNSSDError, this));
+ dnsSDService->onServiceRegistered.connect(boost::bind(&LinkLocalRoster::handleServiceRegistered, this, _1));
}
void LinkLocalRoster::handleServiceAdded(const DNSSDService::Service& service) {
+ if (selfService && *selfService == service) {
+ return;
+ }
std::cout << "Service added " << service.name << " " << service.type << " " << service.domain << std::endl;
+ dnsSDService->startResolvingService(service);
}
void LinkLocalRoster::handleServiceRemoved(const DNSSDService::Service& service) {
std::cout << "Service removed " << service.name << " " << service.type << " " << service.domain << std::endl;
+ dnsSDService->stopResolvingService(service);
+}
+
+void LinkLocalRoster::handleServiceResolved(const DNSSDService::Service& service, const DNSSDService::ResolveResult& result) {
+ std::cout << "Service resolved: " << service.name << "->" << result.host << " " << result.port << " " << result.info.getLastName() << std::endl;
+}
+
+void LinkLocalRoster::handleServiceRegistered(const DNSSDService::Service& service) {
+ selfService = service;
+}
+
+void LinkLocalRoster::handleDNSSDError() {
+ std::cout << "DNSSD Error" << std::endl;
}
}
diff --git a/Swiften/LinkLocal/LinkLocalRoster.h b/Swiften/LinkLocal/LinkLocalRoster.h
index 5b66b84..3cc8d55 100644
--- a/Swiften/LinkLocal/LinkLocalRoster.h
+++ b/Swiften/LinkLocal/LinkLocalRoster.h
@@ -12,8 +12,12 @@ namespace Swift {
private:
void handleServiceAdded(const DNSSDService::Service&);
void handleServiceRemoved(const DNSSDService::Service&);
+ void handleServiceResolved(const DNSSDService::Service& service, const DNSSDService::ResolveResult& result);
+ void handleDNSSDError();
+ void handleServiceRegistered(const DNSSDService::Service& service);
private:
boost::shared_ptr<DNSSDService> dnsSDService;
+ boost::optional<DNSSDService::Service> selfService;
};
}