forked from mirrors/gecko-dev
259 lines
12 KiB
C++
259 lines
12 KiB
C++
/* 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/. */
|
|
|
|
#ifndef nsAHttpConnection_h__
|
|
#define nsAHttpConnection_h__
|
|
|
|
#include "nsISupports.h"
|
|
#include "nsAHttpTransaction.h"
|
|
|
|
class nsISocketTransport;
|
|
class nsIAsyncInputStream;
|
|
class nsIAsyncOutputStream;
|
|
|
|
namespace mozilla { namespace net {
|
|
|
|
class nsHttpConnectionInfo;
|
|
class nsHttpConnection;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Abstract base class for a HTTP connection
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// 5a66aed7-eede-468b-ac2b-e5fb431fcc5c
|
|
#define NS_AHTTPCONNECTION_IID \
|
|
{ 0x5a66aed7, 0xeede, 0x468b, {0xac, 0x2b, 0xe5, 0xfb, 0x43, 0x1f, 0xcc, 0x5c }}
|
|
|
|
class nsAHttpConnection : public nsISupports
|
|
{
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_AHTTPCONNECTION_IID)
|
|
|
|
//-------------------------------------------------------------------------
|
|
// NOTE: these methods may only be called on the socket thread.
|
|
//-------------------------------------------------------------------------
|
|
|
|
//
|
|
// called by a transaction when the response headers have all been read.
|
|
// the connection can force the transaction to reset it's response headers,
|
|
// and prepare for a new set of response headers, by setting |*reset=TRUE|.
|
|
//
|
|
// @return failure code to close the transaction.
|
|
//
|
|
virtual MOZ_MUST_USE nsresult OnHeadersAvailable(nsAHttpTransaction *,
|
|
nsHttpRequestHead *,
|
|
nsHttpResponseHead *,
|
|
bool *reset) = 0;
|
|
|
|
//
|
|
// called by a transaction to resume either sending or receiving data
|
|
// after a transaction returned NS_BASE_STREAM_WOULD_BLOCK from its
|
|
// ReadSegments/WriteSegments methods.
|
|
//
|
|
virtual MOZ_MUST_USE nsresult ResumeSend() = 0;
|
|
virtual MOZ_MUST_USE nsresult ResumeRecv() = 0;
|
|
|
|
// called by a transaction to force a "send/recv from network" iteration
|
|
// even if not scheduled by socket associated with connection
|
|
virtual MOZ_MUST_USE nsresult ForceSend() = 0;
|
|
virtual MOZ_MUST_USE nsresult ForceRecv() = 0;
|
|
|
|
// After a connection has had ResumeSend() called by a transaction,
|
|
// and it is ready to write to the network it may need to know the
|
|
// transaction that has data to write. This is only an issue for
|
|
// multiplexed protocols like SPDY - h1
|
|
// implicitly has this information in a 1:1 relationship with the
|
|
// transaction(s) they manage.
|
|
virtual void TransactionHasDataToWrite(nsAHttpTransaction *)
|
|
{
|
|
// by default do nothing - only multiplexed protocols need to overload
|
|
}
|
|
|
|
// This is the companion to *HasDataToWrite() for the case
|
|
// when a gecko caller has called ResumeRecv() after being paused
|
|
virtual void TransactionHasDataToRecv(nsAHttpTransaction *)
|
|
{
|
|
// by default do nothing - only multiplexed protocols need to overload
|
|
}
|
|
|
|
// called by the connection manager to close a transaction being processed
|
|
// by this connection.
|
|
//
|
|
// @param transaction
|
|
// the transaction being closed.
|
|
// @param reason
|
|
// the reason for closing the transaction. NS_BASE_STREAM_CLOSED
|
|
// is equivalent to NS_OK.
|
|
//
|
|
virtual void CloseTransaction(nsAHttpTransaction *transaction,
|
|
nsresult reason) = 0;
|
|
|
|
// get a reference to the connection's connection info object.
|
|
virtual void GetConnectionInfo(nsHttpConnectionInfo **) = 0;
|
|
|
|
// get the transport level information for this connection. This may fail
|
|
// if it is in use.
|
|
virtual MOZ_MUST_USE nsresult TakeTransport(nsISocketTransport **,
|
|
nsIAsyncInputStream **,
|
|
nsIAsyncOutputStream **) = 0;
|
|
|
|
// called by a transaction to get the security info from the socket.
|
|
virtual void GetSecurityInfo(nsISupports **) = 0;
|
|
|
|
// called by a transaction to determine whether or not the connection is
|
|
// persistent... important in determining the end of a response.
|
|
virtual bool IsPersistent() = 0;
|
|
|
|
// called to determine or set if a connection has been reused.
|
|
virtual bool IsReused() = 0;
|
|
virtual void DontReuse() = 0;
|
|
|
|
// called by a transaction when the transaction reads more from the socket
|
|
// than it should have (eg. containing part of the next response).
|
|
virtual MOZ_MUST_USE nsresult PushBack(const char *data, uint32_t length) = 0;
|
|
|
|
// Used to determine if the connection wants read events even though
|
|
// it has not written out a transaction. Used when a connection has issued
|
|
// a preamble such as a proxy ssl CONNECT sequence.
|
|
virtual bool IsProxyConnectInProgress() = 0;
|
|
|
|
// Used by a transaction to manage the state of previous response bodies on
|
|
// the same connection and work around buggy servers.
|
|
virtual bool LastTransactionExpectedNoContent() = 0;
|
|
virtual void SetLastTransactionExpectedNoContent(bool) = 0;
|
|
|
|
// Transfer the base http connection object along with a
|
|
// reference to it to the caller.
|
|
virtual already_AddRefed<nsHttpConnection> TakeHttpConnection() = 0;
|
|
|
|
// Like TakeHttpConnection() but do not drop our own ref
|
|
virtual already_AddRefed<nsHttpConnection> HttpConnection() = 0;
|
|
|
|
// Get the nsISocketTransport used by the connection without changing
|
|
// references or ownership.
|
|
virtual nsISocketTransport *Transport() = 0;
|
|
|
|
// The number of transaction bytes written out on this HTTP Connection, does
|
|
// not count CONNECT tunnel setup
|
|
virtual int64_t BytesWritten() = 0;
|
|
|
|
// Update the callbacks used to provide security info. May be called on
|
|
// any thread.
|
|
virtual void SetSecurityCallbacks(nsIInterfaceRequestor* aCallbacks) = 0;
|
|
|
|
// nsHttp.h version
|
|
virtual uint32_t Version() = 0;
|
|
|
|
// A notification of the current active tab id change.
|
|
virtual void TopLevelOuterContentWindowIdChanged(uint64_t windowId) = 0;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsAHttpConnection, NS_AHTTPCONNECTION_IID)
|
|
|
|
#define NS_DECL_NSAHTTPCONNECTION(fwdObject) \
|
|
MOZ_MUST_USE nsresult OnHeadersAvailable(nsAHttpTransaction *, \
|
|
nsHttpRequestHead *, \
|
|
nsHttpResponseHead *, \
|
|
bool *reset) override; \
|
|
void CloseTransaction(nsAHttpTransaction *, nsresult) override; \
|
|
MOZ_MUST_USE nsresult TakeTransport(nsISocketTransport **, \
|
|
nsIAsyncInputStream **, \
|
|
nsIAsyncOutputStream **) override; \
|
|
bool IsPersistent() override; \
|
|
bool IsReused() override; \
|
|
void DontReuse() override; \
|
|
MOZ_MUST_USE nsresult PushBack(const char *, uint32_t) override; \
|
|
already_AddRefed<nsHttpConnection> TakeHttpConnection() override; \
|
|
already_AddRefed<nsHttpConnection> HttpConnection() override; \
|
|
void TopLevelOuterContentWindowIdChanged(uint64_t windowId) override; \
|
|
/* \
|
|
Thes methods below have automatic definitions that just forward the \
|
|
function to a lower level connection object \
|
|
*/ \
|
|
void GetConnectionInfo(nsHttpConnectionInfo **result) \
|
|
override \
|
|
{ \
|
|
if (!(fwdObject)) { \
|
|
*result = nullptr; \
|
|
return; \
|
|
} \
|
|
return (fwdObject)->GetConnectionInfo(result); \
|
|
} \
|
|
void GetSecurityInfo(nsISupports **result) override \
|
|
{ \
|
|
if (!(fwdObject)) { \
|
|
*result = nullptr; \
|
|
return; \
|
|
} \
|
|
return (fwdObject)->GetSecurityInfo(result); \
|
|
} \
|
|
MOZ_MUST_USE nsresult ResumeSend() override \
|
|
{ \
|
|
if (!(fwdObject)) \
|
|
return NS_ERROR_FAILURE; \
|
|
return (fwdObject)->ResumeSend(); \
|
|
} \
|
|
MOZ_MUST_USE nsresult ResumeRecv() override \
|
|
{ \
|
|
if (!(fwdObject)) \
|
|
return NS_ERROR_FAILURE; \
|
|
return (fwdObject)->ResumeRecv(); \
|
|
} \
|
|
MOZ_MUST_USE nsresult ForceSend() override \
|
|
{ \
|
|
if (!(fwdObject)) \
|
|
return NS_ERROR_FAILURE; \
|
|
return (fwdObject)->ForceSend(); \
|
|
} \
|
|
MOZ_MUST_USE nsresult ForceRecv() override \
|
|
{ \
|
|
if (!(fwdObject)) \
|
|
return NS_ERROR_FAILURE; \
|
|
return (fwdObject)->ForceRecv(); \
|
|
} \
|
|
nsISocketTransport *Transport() \
|
|
override \
|
|
{ \
|
|
if (!(fwdObject)) \
|
|
return nullptr; \
|
|
return (fwdObject)->Transport(); \
|
|
} \
|
|
uint32_t Version() override \
|
|
{ \
|
|
return (fwdObject) ? \
|
|
(fwdObject)->Version() : \
|
|
NS_HTTP_VERSION_UNKNOWN; \
|
|
} \
|
|
bool IsProxyConnectInProgress() override \
|
|
{ \
|
|
return (!fwdObject) ? false : \
|
|
(fwdObject)->IsProxyConnectInProgress(); \
|
|
} \
|
|
bool LastTransactionExpectedNoContent() override \
|
|
{ \
|
|
return (!fwdObject) ? false : \
|
|
(fwdObject)->LastTransactionExpectedNoContent(); \
|
|
} \
|
|
void SetLastTransactionExpectedNoContent(bool val) \
|
|
override \
|
|
{ \
|
|
if (fwdObject) \
|
|
(fwdObject)->SetLastTransactionExpectedNoContent(val); \
|
|
} \
|
|
int64_t BytesWritten() override \
|
|
{ return fwdObject ? (fwdObject)->BytesWritten() : 0; } \
|
|
void SetSecurityCallbacks(nsIInterfaceRequestor* aCallbacks) \
|
|
override \
|
|
{ \
|
|
if (fwdObject) \
|
|
(fwdObject)->SetSecurityCallbacks(aCallbacks); \
|
|
}
|
|
|
|
// ThrottleResponse deliberately ommited since we want different implementation
|
|
// for h1 and h2 connections.
|
|
|
|
} // namespace net
|
|
} // namespace mozilla
|
|
|
|
#endif // nsAHttpConnection_h__
|