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authorRemko Tronçon <git@el-tramo.be>2009-06-16 20:41:48 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-17 16:33:34 (GMT)
commitf2e3bfbe2ed1b8f35aa958041ee766f9d8ddf31e (patch)
treea6d28ee7ef03dd4538154c29b988e33b01ceb6ed /Swiften/Queries
parentf1c690a5352ee77282bbbd145a3fe0137aceb160 (diff)
downloadswift-contrib-f2e3bfbe2ed1b8f35aa958041ee766f9d8ddf31e.zip
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Delay IQHandler removal in IQRouter during IQ handling.
Diffstat (limited to 'Swiften/Queries')
-rw-r--r--Swiften/Queries/IQRouter.cpp44
-rw-r--r--Swiften/Queries/IQRouter.h6
-rw-r--r--Swiften/Queries/UnitTest/IQRouterTest.cpp29
3 files changed, 62 insertions, 17 deletions
diff --git a/Swiften/Queries/IQRouter.cpp b/Swiften/Queries/IQRouter.cpp
index 671566a..b20d344 100644
--- a/Swiften/Queries/IQRouter.cpp
+++ b/Swiften/Queries/IQRouter.cpp
@@ -10,20 +10,18 @@
namespace Swift {
-namespace {
- void noop(IQHandler*) {}
- struct PointerEquals {
- PointerEquals(IQHandler* handler) : handler_(handler) {}
- bool operator()(boost::shared_ptr<IQHandler> o) { return handler_ == o.get(); }
- IQHandler* handler_;
- };
-}
+static void noop(IQHandler*) {}
-IQRouter::IQRouter(IQChannel* channel) : channel_(channel) {
+IQRouter::IQRouter(IQChannel* channel) : channel_(channel), queueRemoves_(false) {
channel->onIQReceived.connect(boost::bind(&IQRouter::handleIQ, this, _1));
}
+IQRouter::~IQRouter() {
+}
+
void IQRouter::handleIQ(boost::shared_ptr<IQ> iq) {
+ queueRemoves_ = true;
+
bool handled = false;
foreach(boost::shared_ptr<IQHandler> handler, handlers_) {
handled |= handler->handleIQ(iq);
@@ -34,22 +32,38 @@ void IQRouter::handleIQ(boost::shared_ptr<IQ> iq) {
if (!handled && (iq->getType() == IQ::Get || iq->getType() == IQ::Set) ) {
channel_->sendIQ(IQ::createError(iq->getFrom(), iq->getID(), Error::FeatureNotImplemented, Error::Cancel));
}
+
+ processPendingRemoves();
+
+ queueRemoves_ = false;
}
-void IQRouter::addHandler(IQHandler* handler) {
- handlers_.push_back(boost::shared_ptr<IQHandler>(handler, noop));
+void IQRouter::processPendingRemoves() {
+ foreach(boost::shared_ptr<IQHandler> handler, queuedRemoves_) {
+ handlers_.erase(std::remove(handlers_.begin(), handlers_.end(), handler), handlers_.end());
+ }
+ queuedRemoves_.clear();
}
-void IQRouter::addHandler(boost::shared_ptr<IQHandler> handler) {
- handlers_.push_back(handler);
+void IQRouter::addHandler(IQHandler* handler) {
+ addHandler(boost::shared_ptr<IQHandler>(handler, noop));
}
void IQRouter::removeHandler(IQHandler* handler) {
- handlers_.erase(std::remove_if(handlers_.begin(), handlers_.end(), PointerEquals(handler)), handlers_.end());
+ removeHandler(boost::shared_ptr<IQHandler>(handler, noop));
+}
+
+void IQRouter::addHandler(boost::shared_ptr<IQHandler> handler) {
+ handlers_.push_back(handler);
}
void IQRouter::removeHandler(boost::shared_ptr<IQHandler> handler) {
- handlers_.erase(std::remove(handlers_.begin(), handlers_.end(), handler));
+ if (queueRemoves_) {
+ queuedRemoves_.push_back(handler);
+ }
+ else {
+ handlers_.erase(std::remove(handlers_.begin(), handlers_.end(), handler), handlers_.end());
+ }
}
void IQRouter::sendIQ(boost::shared_ptr<IQ> iq) {
diff --git a/Swiften/Queries/IQRouter.h b/Swiften/Queries/IQRouter.h
index ea80bf5..6de2ff9 100644
--- a/Swiften/Queries/IQRouter.h
+++ b/Swiften/Queries/IQRouter.h
@@ -14,10 +14,11 @@ namespace Swift {
class IQRouter {
public:
IQRouter(IQChannel* channel);
+ ~IQRouter();
void addHandler(IQHandler* handler);
- void addHandler(boost::shared_ptr<IQHandler> handler);
void removeHandler(IQHandler* handler);
+ void addHandler(boost::shared_ptr<IQHandler> handler);
void removeHandler(boost::shared_ptr<IQHandler> handler);
void sendIQ(boost::shared_ptr<IQ> iq);
@@ -25,10 +26,13 @@ namespace Swift {
private:
void handleIQ(boost::shared_ptr<IQ> iq);
+ void processPendingRemoves();
private:
IQChannel* channel_;
std::vector< boost::shared_ptr<IQHandler> > handlers_;
+ std::vector< boost::shared_ptr<IQHandler> > queuedRemoves_;
+ bool queueRemoves_;
};
}
diff --git a/Swiften/Queries/UnitTest/IQRouterTest.cpp b/Swiften/Queries/UnitTest/IQRouterTest.cpp
index 8fa8d2a..94b7de8 100644
--- a/Swiften/Queries/UnitTest/IQRouterTest.cpp
+++ b/Swiften/Queries/UnitTest/IQRouterTest.cpp
@@ -12,6 +12,8 @@ using namespace Swift;
class IQRouterTest : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE(IQRouterTest);
+ CPPUNIT_TEST(testRemoveHandler);
+ CPPUNIT_TEST(testRemoveHandler_AfterHandleIQ);
CPPUNIT_TEST(testHandleIQ_SuccesfulHandlerFirst);
CPPUNIT_TEST(testHandleIQ_SuccesfulHandlerLast);
CPPUNIT_TEST(testHandleIQ_NoSuccesfulHandler);
@@ -29,6 +31,31 @@ class IQRouterTest : public CppUnit::TestFixture
delete channel_;
}
+ void testRemoveHandler() {
+ IQRouter testling(channel_);
+ DummyIQHandler handler1(true, &testling);
+ DummyIQHandler handler2(true, &testling);
+ testling.removeHandler(&handler1);
+
+ channel_->onIQReceived(boost::shared_ptr<IQ>(new IQ()));
+
+ CPPUNIT_ASSERT_EQUAL(0, handler1.called);
+ CPPUNIT_ASSERT_EQUAL(1, handler2.called);
+ }
+
+ void testRemoveHandler_AfterHandleIQ() {
+ IQRouter testling(channel_);
+ DummyIQHandler handler1(true, &testling);
+ DummyIQHandler handler2(true, &testling);
+
+ channel_->onIQReceived(boost::shared_ptr<IQ>(new IQ()));
+ testling.removeHandler(&handler1);
+ channel_->onIQReceived(boost::shared_ptr<IQ>(new IQ()));
+
+ CPPUNIT_ASSERT_EQUAL(1, handler1.called);
+ CPPUNIT_ASSERT_EQUAL(1, handler2.called);
+ }
+
void testHandleIQ_SuccesfulHandlerFirst() {
IQRouter testling(channel_);
DummyIQHandler handler1(true, &testling);
@@ -75,7 +102,7 @@ class IQRouterTest : public CppUnit::TestFixture
CPPUNIT_ASSERT_EQUAL(1, handler1.called);
CPPUNIT_ASSERT_EQUAL(2, handler2.called);
}
-
+
private:
struct DummyIQHandler : public IQHandler {
DummyIQHandler(bool handle, IQRouter* router) : handle(handle), router(router), called(0) {