SocketClient.h revision b7286aa02e1e554a1ef21a957fabe593f05c1260 
1#ifndef _SOCKET_CLIENT_H
2#define _SOCKET_CLIENT_H
3
4#include "List.h"
5
6#include <pthread.h>
7#include <sys/types.h>
8
9class SocketClient {
10    int             mSocket;
11    bool            mSocketOwned;
12    pthread_mutex_t mWriteMutex;
13
14    /* Peer process ID */
15    pid_t mPid;
16
17    /* Peer user ID */
18    uid_t mUid;
19
20    /* Peer group ID */
21    gid_t mGid;
22
23    /* Reference count (starts at 1) */
24    pthread_mutex_t mRefCountMutex;
25    int mRefCount;
26
27public:
28    SocketClient(int sock, bool owned);
29    virtual ~SocketClient();
30
31    int getSocket() { return mSocket; }
32    pid_t getPid() const { return mPid; }
33    uid_t getUid() const { return mUid; }
34    gid_t getGid() const { return mGid; }
35
36    // Send null-terminated C strings:
37    int sendMsg(int code, const char *msg, bool addErrno);
38    int sendMsg(const char *msg);
39
40    // Sending binary data:
41    int sendData(const void *data, int len);
42
43    // Optional reference counting.  Reference count starts at 1.  If
44    // it's decremented to 0, it deletes itself.
45    // SocketListener creates a SocketClient (at refcount 1) and calls
46    // decRef() when it's done with the client.
47    void incRef();
48    bool decRef(); // returns true at 0 (but note: SocketClient already deleted)
49};
50
51typedef android::sysutils::List<SocketClient *> SocketClientCollection;
52#endif
53