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fix crash when reading malformed PCX images (#3836)
[wxWidgets.git] / include / wx / msw / gsockmsw.h
1 /* -------------------------------------------------------------------------
2 * Project: GSocket (Generic Socket) for WX
3 * Name: gsockmsw.h
4 * Copyright: (c) Guilhem Lavaux
5 * Licence: wxWindows Licence
6 * Purpose: GSocket MSW header
7 * CVSID: $Id$
8 * -------------------------------------------------------------------------
9 */
10
11 #ifndef _WX_MSW_GSOCKMSW_H_
12 #define _WX_MSW_GSOCKMSW_H_
13
14 #include "wx/msw/wrapwin.h"
15
16 #if defined(__CYGWIN__)
17 //CYGWIN gives annoying warning about runtime stuff if we don't do this
18 # define USE_SYS_TYPES_FD_SET
19 # include <sys/types.h>
20 #endif
21
22 #if defined(__WXWINCE__) || defined(__CYGWIN__)
23 #include <winsock.h>
24 #endif
25
26 /* Definition of GSocket */
27 class GSocket
28 {
29 public:
30 GSocket();
31 ~GSocket();
32 bool IsOk() { return m_ok; }
33 void Close();
34 void Shutdown();
35 GSocketError SetLocal(GAddress *address);
36 GSocketError SetPeer(GAddress *address);
37 GAddress *GetLocal();
38 GAddress *GetPeer();
39 GSocketError SetServer();
40 GSocket *WaitConnection();
41 // not used under MSW
42 void Notify(bool) { }
43 bool SetReusable();
44 bool SetBroadcast();
45 bool DontDoBind();
46 GSocketError Connect(GSocketStream stream);
47 GSocketError SetNonOriented();
48 int Read(char *buffer, int size);
49 int Write(const char *buffer, int size);
50 GSocketEventFlags Select(GSocketEventFlags flags);
51 void SetNonBlocking(bool non_block);
52 void SetTimeout(unsigned long millis);
53 GSocketError WXDLLIMPEXP_NET GetError();
54 void SetCallback(GSocketEventFlags flags,
55 GSocketCallback callback, char *cdata);
56 void UnsetCallback(GSocketEventFlags flags);
57 GSocketError GetSockOpt(int level, int optname,
58 void *optval, int *optlen);
59 GSocketError SetSockOpt(int level, int optname,
60 const void *optval, int optlen);
61
62 void SetInitialSocketBuffers(int recv, int send)
63 {
64 m_initialRecvBufferSize = recv;
65 m_initialSendBufferSize = send;
66 }
67
68 protected:
69 GSocketError Input_Timeout();
70 GSocketError Output_Timeout();
71 GSocketError Connect_Timeout();
72 int Recv_Stream(char *buffer, int size);
73 int Recv_Dgram(char *buffer, int size);
74 int Send_Stream(const char *buffer, int size);
75 int Send_Dgram(const char *buffer, int size);
76 bool m_ok;
77 int m_initialRecvBufferSize;
78 int m_initialSendBufferSize;
79
80 /* TODO: Make these protected */
81 public:
82 SOCKET m_fd;
83 GAddress *m_local;
84 GAddress *m_peer;
85 GSocketError m_error;
86
87 /* Attributes */
88 bool m_non_blocking;
89 bool m_server;
90 bool m_stream;
91 bool m_establishing;
92 bool m_reusable;
93 bool m_broadcast;
94 bool m_dobind;
95 struct timeval m_timeout;
96
97 /* Callbacks */
98 GSocketEventFlags m_detected;
99 GSocketCallback m_cbacks[GSOCK_MAX_EVENT];
100 char *m_data[GSOCK_MAX_EVENT];
101 int m_msgnumber;
102 };
103
104 /* Definition of GAddress */
105 struct _GAddress
106 {
107 struct sockaddr *m_addr;
108 size_t m_len;
109
110 GAddressType m_family;
111 int m_realfamily;
112
113 GSocketError m_error;
114 };
115
116
117 /* GAddress */
118
119 GSocketError _GAddress_translate_from(GAddress *address,
120 struct sockaddr *addr, int len);
121 GSocketError _GAddress_translate_to (GAddress *address,
122 struct sockaddr **addr, int *len);
123 GSocketError _GAddress_Init_INET(GAddress *address);
124 GSocketError _GAddress_Init_UNIX(GAddress *address);
125
126 #endif /* _WX_MSW_GSOCKMSW_H_ */