gecko/netwerk/protocol/http/ASpdySession.cpp

90 lines
2.4 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"
#include "nsHttp.h"
#include "nsHttpHandler.h"
#include "ASpdySession.h"
#include "SpdySession2.h"
#include "SpdySession3.h"
#include "mozilla/Telemetry.h"
namespace mozilla {
namespace net {
ASpdySession *
ASpdySession::NewSpdySession(uint32_t version,
nsAHttpTransaction *aTransaction,
nsISocketTransport *aTransport,
int32_t aPriority)
{
// This is a necko only interface, so we can enforce version
// requests as a precondition
MOZ_ASSERT(version == SPDY_VERSION_2 ||
version == SPDY_VERSION_3,
"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, version);
if (version == SPDY_VERSION_2)
return new SpdySession2(aTransaction, aTransport, aPriority);
return new SpdySession3(aTransaction, aTransport, aPriority);
}
SpdyInformation::SpdyInformation()
{
// list the preferred version first
Version[0] = SPDY_VERSION_3;
VersionString[0] = NS_LITERAL_CSTRING("spdy/3");
Version[1] = SPDY_VERSION_2;
VersionString[1] = NS_LITERAL_CSTRING("spdy/2");
}
bool
SpdyInformation::ProtocolEnabled(uint32_t index)
{
if (index == 0)
return gHttpHandler->IsSpdyV3Enabled();
if (index == 1)
return gHttpHandler->IsSpdyV2Enabled();
MOZ_ASSERT(false, "index out of range");
return false;
}
nsresult
SpdyInformation::GetNPNVersionIndex(const nsACString &npnString,
uint8_t *result)
{
if (npnString.IsEmpty())
return NS_ERROR_FAILURE;
if (npnString.Equals(VersionString[0]))
*result = Version[0];
else if (npnString.Equals(VersionString[1]))
*result = Version[1];
else
return NS_ERROR_FAILURE;
return NS_OK;
}
} // namespace mozilla::net
} // namespace mozilla