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05a019a2 DE |
1 | /* ------------------------------------------------------------------------- |
2 | * Project: GSocket (Generic Socket) for WX | |
3 | * Name: gsockpm.c | |
4 | * Purpose: GSocket: PM part | |
5 | * Licence: The wxWindows licence | |
6 | * CVSID: $Id$ | |
7 | * ------------------------------------------------------------------------- */ | |
8 | ||
9 | #include "wx/setup.h" | |
10 | ||
11 | #if wxUSE_SOCKETS | |
12 | ||
13 | #include <stdlib.h> | |
14 | #include "wx/unix/gsockunx.h" | |
15 | #include "wx/gsocket.h" | |
16 | ||
17 | extern int wxAppAddSocketHandler(int handle, int mask, | |
18 | void (*callback)(void*), void * gsock); | |
19 | ||
20 | extern void wxAppRemoveSocketHandler(int handle); | |
21 | ||
22 | #define wxSockReadMask 0x01 | |
23 | #define wxSockWriteMask 0x02 | |
24 | ||
25 | static void _GSocket_PM_Input(void *data) | |
26 | { | |
27 | GSocket *socket = (GSocket *) data; | |
28 | socket->m_functions->Detected_Read(socket); | |
29 | } | |
30 | ||
31 | static void _GSocket_PM_Output(void *data) | |
32 | { | |
33 | GSocket *socket = (GSocket *) data; | |
34 | socket->m_functions->Detected_Write(socket); | |
35 | } | |
36 | ||
37 | int _GSocket_GUI_Init(void) | |
38 | { | |
39 | return 1; | |
40 | } | |
41 | ||
42 | void _GSocket_GUI_Cleanup(void) | |
43 | { | |
44 | } | |
45 | ||
46 | int _GSocket_GUI_Init_Socket(GSocket *socket) | |
47 | { | |
48 | int *m_id; | |
49 | socket->m_gui_dependent = (char *)malloc(sizeof(int)*2); | |
50 | m_id = (int *)(socket->m_gui_dependent); | |
51 | ||
52 | m_id[0] = -1; | |
53 | m_id[1] = -1; | |
54 | return TRUE; | |
55 | } | |
56 | ||
57 | void _GSocket_GUI_Destroy_Socket(GSocket *socket) | |
58 | { | |
59 | free(socket->m_gui_dependent); | |
60 | } | |
61 | ||
62 | void _GSocket_Install_Callback(GSocket *socket, GSocketEvent event) | |
63 | { | |
64 | int *m_id = (int *)(socket->m_gui_dependent); | |
65 | int c; | |
66 | ||
67 | if (socket->m_fd == -1) | |
68 | return; | |
69 | ||
70 | switch (event) | |
71 | { | |
72 | case GSOCK_LOST: /* fall-through */ | |
73 | case GSOCK_INPUT: c = 0; break; | |
74 | case GSOCK_OUTPUT: c = 1; break; | |
75 | case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break; | |
76 | default: return; | |
77 | } | |
78 | ||
79 | if (m_id[c] != -1) | |
80 | wxAppRemoveSocketHandler(m_id[c]); | |
81 | ||
82 | if (c == 0) | |
83 | { | |
84 | m_id[0] = wxAppAddSocketHandler(socket->m_fd, wxSockReadMask, | |
85 | _GSocket_PM_Input, (void *)socket); | |
86 | } | |
87 | else | |
88 | { | |
89 | m_id[1] = wxAppAddSocketHandler(socket->m_fd, wxSockWriteMask, | |
90 | _GSocket_PM_Output, (void *)socket); | |
91 | } | |
92 | } | |
93 | ||
94 | void _GSocket_Uninstall_Callback(GSocket *socket, GSocketEvent event) | |
95 | { | |
96 | int *m_id = (int *)(socket->m_gui_dependent); | |
97 | int c; | |
98 | switch (event) | |
99 | { | |
100 | case GSOCK_LOST: /* fall-through */ | |
101 | case GSOCK_INPUT: c = 0; break; | |
102 | case GSOCK_OUTPUT: c = 1; break; | |
103 | case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break; | |
104 | default: return; | |
105 | } | |
106 | if (m_id[c] != -1) | |
107 | wxAppRemoveSocketHandler(m_id[c]); | |
108 | ||
109 | m_id[c] = -1; | |
110 | } | |
111 | ||
112 | void _GSocket_Enable_Events(GSocket *socket) | |
113 | { | |
114 | _GSocket_Install_Callback(socket, GSOCK_INPUT); | |
115 | _GSocket_Install_Callback(socket, GSOCK_OUTPUT); | |
116 | } | |
117 | ||
118 | void _GSocket_Disable_Events(GSocket *socket) | |
119 | { | |
120 | _GSocket_Uninstall_Callback(socket, GSOCK_INPUT); | |
121 | _GSocket_Uninstall_Callback(socket, GSOCK_OUTPUT); | |
122 | } | |
123 | ||
124 | #else /* !wxUSE_SOCKETS */ | |
125 | ||
126 | /* some compilers don't like having empty source files */ | |
127 | static int wxDummyGsockVar = 0; | |
128 | ||
129 | #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */ |