SocketClient.h revision dc58e73071aa829a5038caf37211f6b3e2d7b275 
1#ifndef _SOCKET_CLIENT_H
2#define _SOCKET_CLIENT_H
3
4#include "../../../frameworks/base/include/utils/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
27    pthread_mutex_t mCmdNumMutex;
28    int mCmdNum;
29
30public:
31    SocketClient(int sock, bool owned);
32    virtual ~SocketClient();
33
34    int getSocket() { return mSocket; }
35    pid_t getPid() const { return mPid; }
36    uid_t getUid() const { return mUid; }
37    gid_t getGid() const { return mGid; }
38    void setCmdNum(int cmdNum);
39    int getCmdNum();
40
41    // Send null-terminated C strings:
42    int sendMsg(int code, const char *msg, bool addErrno);
43
44    //Sending binary data:
45    int sendData(const void *data, int len);
46
47    // Optional reference counting.  Reference count starts at 1.  If
48    // it's decremented to 0, it deletes itself.
49    // SocketListener creates a SocketClient (at refcount 1) and calls
50    // decRef() when it's done with the client.
51    void incRef();
52    bool decRef(); // returns true at 0 (but note: SocketClient already deleted)
53
54private:
55    // Send null-terminated C strings
56    int sendMsg(const char *msg);
57};
58
59typedef android::List<SocketClient *> SocketClientCollection;
60#endif
61