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/*
* Copyright 2012, 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_NETWORK_SESSION_H_
#define A_NETWORK_SESSION_H_
#include <media/stagefright/foundation/ABase.h>
#include <utils/KeyedVector.h>
#include <utils/RefBase.h>
#include <utils/Thread.h>
#include <netinet/in.h>
namespace android {
struct AMessage;
// Helper class to manage a number of live sockets (datagram and stream-based)
// on a single thread. Clients are notified about activity through AMessages.
struct ANetworkSession : public RefBase {
ANetworkSession();
status_t start();
status_t stop();
status_t createRTSPClient(
const char *host, unsigned port, const sp<AMessage> ¬ify,
int32_t *sessionID);
status_t createRTSPServer(
const struct in_addr &addr, unsigned port,
const sp<AMessage> ¬ify, int32_t *sessionID);
status_t createUDPSession(
unsigned localPort, const sp<AMessage> ¬ify, int32_t *sessionID);
status_t createUDPSession(
unsigned localPort,
const char *remoteHost,
unsigned remotePort,
const sp<AMessage> ¬ify,
int32_t *sessionID);
status_t connectUDPSession(
int32_t sessionID, const char *remoteHost, unsigned remotePort);
// passive
status_t createTCPDatagramSession(
const struct in_addr &addr, unsigned port,
const sp<AMessage> ¬ify, int32_t *sessionID);
// active
status_t createTCPDatagramSession(
unsigned localPort,
const char *remoteHost,
unsigned remotePort,
const sp<AMessage> ¬ify,
int32_t *sessionID);
status_t destroySession(int32_t sessionID);
status_t sendRequest(
int32_t sessionID, const void *data, ssize_t size = -1,
bool timeValid = false, int64_t timeUs = -1ll);
status_t switchToWebSocketMode(int32_t sessionID);
enum NotificationReason {
kWhatError,
kWhatConnected,
kWhatClientConnected,
kWhatData,
kWhatDatagram,
kWhatBinaryData,
kWhatWebSocketMessage,
kWhatNetworkStall,
};
protected:
virtual ~ANetworkSession();
private:
struct NetworkThread;
struct Session;
Mutex mLock;
sp<Thread> mThread;
int32_t mNextSessionID;
int mPipeFd[2];
KeyedVector<int32_t, sp<Session> > mSessions;
enum Mode {
kModeCreateUDPSession,
kModeCreateTCPDatagramSessionPassive,
kModeCreateTCPDatagramSessionActive,
kModeCreateRTSPServer,
kModeCreateRTSPClient,
};
status_t createClientOrServer(
Mode mode,
const struct in_addr *addr,
unsigned port,
const char *remoteHost,
unsigned remotePort,
const sp<AMessage> ¬ify,
int32_t *sessionID);
void threadLoop();
void interrupt();
static status_t MakeSocketNonBlocking(int s);
DISALLOW_EVIL_CONSTRUCTORS(ANetworkSession);
};
} // namespace android
#endif // A_NETWORK_SESSION_H_
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