gecko-dev/netwerk/protocol/http/ASpdySession.cpp
Nicholas Hurley 2423735102 Bug 1460310 - Separate HTTP and SPDY identifiers into separate namespaces. r=dragana
MozReview-Commit-ID: E55YpGK7PXI

--HG--
extra : rebase_source : 3146c7de66653262694235043a44be4ccf5ffc33
2018-06-01 11:32:05 -07:00

134 lines
3.6 KiB
C++

/* -*- 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.
Telemetry::Accumulate(Telemetry::SPDY_VERSION2, static_cast<uint32_t>(version));
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] = NS_LITERAL_CSTRING("h2");
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