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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// HttpLog.h should generally be included first
#include "HttpLog.h"
/*
Currently supported is h2
*/
#include "nsHttp.h"
#include "nsHttpHandler.h"
#include "ASpdySession.h"
#include "PSpdyPush.h"
#include "Http2Push.h"
#include "Http2Session.h"
#include "mozilla/Telemetry.h"
namespace mozilla {
namespace net {
ASpdySession* ASpdySession::NewSpdySession(net::SpdyVersion version,
nsISocketTransport* aTransport,
bool attemptingEarlyData) {
// This is a necko only interface, so we can enforce version
// requests as a precondition
MOZ_ASSERT(version == SpdyVersion::HTTP_2, "Unsupported spdy version");
// Don't do a runtime check of IsSpdyV?Enabled() here because pref value
// may have changed since starting negotiation. The selected protocol comes
// from a list provided in the SERVER HELLO filtered by our acceptable
// versions, so there is no risk of the server ignoring our prefs.
return new Http2Session(aTransport, version, attemptingEarlyData);
}
SpdyInformation::SpdyInformation() {
// highest index of enabled protocols is the
// most preferred for ALPN negotiaton
Version[0] = SpdyVersion::HTTP_2;
VersionString[0] = "h2"_ns;
ALPNCallbacks[0] = Http2Session::ALPNCallback;
}
bool SpdyInformation::ProtocolEnabled(uint32_t index) const {
MOZ_ASSERT(index < kCount, "index out of range");
return gHttpHandler->IsHttp2Enabled();
}
nsresult SpdyInformation::GetNPNIndex(const nsACString& npnString,
uint32_t* result) const {
if (npnString.IsEmpty()) return NS_ERROR_FAILURE;
for (uint32_t index = 0; index < kCount; ++index) {
if (npnString.Equals(VersionString[index])) {
*result = index;
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
//////////////////////////////////////////
// SpdyPushCache
//////////////////////////////////////////
SpdyPushCache::~SpdyPushCache() { mHashHttp2.Clear(); }
bool SpdyPushCache::RegisterPushedStreamHttp2(const nsCString& key,
Http2PushedStream* stream) {
LOG3(("SpdyPushCache::RegisterPushedStreamHttp2 %s 0x%X\n", key.get(),
stream->StreamID()));
if (mHashHttp2.Get(key)) {
LOG3(("SpdyPushCache::RegisterPushedStreamHttp2 %s 0x%X duplicate key\n",
key.get(), stream->StreamID()));
return false;
}
mHashHttp2.Put(key, stream);
return true;
}
Http2PushedStream* SpdyPushCache::RemovePushedStreamHttp2(
const nsCString& key) {
Http2PushedStream* rv = mHashHttp2.Get(key);
LOG3(("SpdyPushCache::RemovePushedStreamHttp2 %s 0x%X\n", key.get(),
rv ? rv->StreamID() : 0));
if (rv) mHashHttp2.Remove(key);
return rv;
}
Http2PushedStream* SpdyPushCache::RemovePushedStreamHttp2ByID(
const nsCString& key, const uint32_t& streamID) {
Http2PushedStream* rv = mHashHttp2.Get(key);
LOG3(("SpdyPushCache::RemovePushedStreamHttp2ByID %s 0x%X 0x%X", key.get(),
rv ? rv->StreamID() : 0, streamID));
if (rv && streamID == rv->StreamID()) {
mHashHttp2.Remove(key);
} else {
// Ensure we overwrite our rv with null in case the stream IDs don't match
rv = nullptr;
}
return rv;
}
} // namespace net
} // namespace mozilla