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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef A_RTSP_CONNECTION_H_
#define A_RTSP_CONNECTION_H_
#include <media/stagefright/foundation/AHandler.h>
#include <media/stagefright/foundation/AString.h>
namespace android {
struct ABuffer;
struct ARTSPResponse : public RefBase {
unsigned long mStatusCode;
AString mStatusLine;
KeyedVector<AString,AString> mHeaders;
sp<ABuffer> mContent;
};
struct ARTSPConnection : public AHandler {
ARTSPConnection();
void connect(const char *url, const sp<AMessage> &reply);
void disconnect(const sp<AMessage> &reply);
void sendRequest(const char *request, const sp<AMessage> &reply);
void observeBinaryData(const sp<AMessage> &reply);
protected:
virtual ~ARTSPConnection();
virtual void onMessageReceived(const sp<AMessage> &msg);
private:
enum State {
DISCONNECTED,
CONNECTING,
CONNECTED,
};
enum {
kWhatConnect = 'conn',
kWhatDisconnect = 'disc',
kWhatCompleteConnection = 'comc',
kWhatSendRequest = 'sreq',
kWhatReceiveResponse = 'rres',
kWhatObserveBinaryData = 'obin',
};
static const int64_t kSelectTimeoutUs;
State mState;
int mSocket;
int32_t mConnectionID;
int32_t mNextCSeq;
bool mReceiveResponseEventPending;
KeyedVector<int32_t, sp<AMessage> > mPendingRequests;
sp<AMessage> mObserveBinaryMessage;
void onConnect(const sp<AMessage> &msg);
void onDisconnect(const sp<AMessage> &msg);
void onCompleteConnection(const sp<AMessage> &msg);
void onSendRequest(const sp<AMessage> &msg);
void onReceiveResponse();
void flushPendingRequests();
void postReceiveReponseEvent();
// Return false iff something went unrecoverably wrong.
bool receiveRTSPReponse();
status_t receive(void *data, size_t size);
bool receiveLine(AString *line);
sp<ABuffer> receiveBinaryData();
bool notifyResponseListener(const sp<ARTSPResponse> &response);
static bool ParseURL(
const char *url, AString *host, unsigned *port, AString *path);
static bool ParseSingleUnsignedLong(
const char *from, unsigned long *x);
DISALLOW_EVIL_CONSTRUCTORS(ARTSPConnection);
};
} // namespace android
#endif // A_RTSP_CONNECTION_H_
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