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1 | /* $Id: testback.c,v 1.4 2002/11/23 20:40:22 ben Exp $ */ |
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2 | /* |
3 | * Copyright (c) 1999 Simon Tatham |
4 | * Copyright (c) 1999 Ben Harris |
5 | * All rights reserved. |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person |
8 | * obtaining a copy of this software and associated documentation |
9 | * files (the "Software"), to deal in the Software without |
10 | * restriction, including without limitation the rights to use, |
11 | * copy, modify, merge, publish, distribute, sublicense, and/or |
12 | * sell copies of the Software, and to permit persons to whom the |
13 | * Software is furnished to do so, subject to the following |
14 | * conditions: |
15 | * |
16 | * The above copyright notice and this permission notice shall be |
17 | * included in all copies or substantial portions of the Software. |
18 | * |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
22 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
23 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
24 | * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
25 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
26 | * SOFTWARE. |
27 | */ |
28 | |
29 | /* PuTTY test backends */ |
30 | |
31 | #include <stdio.h> |
32 | #include <stdlib.h> |
33 | |
34 | #include "putty.h" |
35 | |
36 | static char *null_init(void *, void **, char *, int, char **, int); |
37 | static char *loop_init(void *, void **, char *, int, char **, int); |
38 | static int null_send(void *, char *, int); |
39 | static int loop_send(void *, char *, int); |
40 | static int null_sendbuffer(void *); |
41 | static void null_size(void *, int, int); |
42 | static void null_special(void *, Telnet_Special); |
43 | static Socket null_socket(void *); |
44 | static int null_exitcode(void *); |
45 | static int null_sendok(void *); |
46 | static int null_ldisc(void *, int); |
47 | static void null_provide_ldisc(void *, void *); |
48 | static void null_provide_logctx(void *, void *); |
49 | static void null_unthrottle(void *, int); |
50 | |
51 | Backend null_backend = { |
52 | null_init, null_send, null_sendbuffer, null_size, null_special, |
53 | null_socket, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc, |
54 | null_provide_logctx, null_unthrottle, 0 |
55 | }; |
56 | |
57 | Backend loop_backend = { |
58 | loop_init, loop_send, null_sendbuffer, null_size, null_special, |
59 | null_socket, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc, |
60 | null_provide_logctx, null_unthrottle, 0 |
61 | }; |
62 | |
63 | struct loop_state { |
64 | Terminal *term; |
65 | }; |
66 | |
67 | static char *null_init(void *frontend_handle, void **backend_handle, |
68 | char *host, int port, char **realhost, int nodelay) { |
69 | |
70 | return NULL; |
71 | } |
72 | |
73 | static char *loop_init(void *frontend_handle, void **backend_handle, |
74 | char *host, int port, char **realhost, int nodelay) { |
75 | struct loop_state *st = smalloc(sizeof(*st)); |
76 | |
77 | st->term = frontend_handle; |
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78 | *backend_handle = st; |
79 | return NULL; |
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80 | } |
81 | |
82 | static int null_send(void *handle, char *buf, int len) { |
83 | |
84 | return 0; |
85 | } |
86 | |
87 | static int loop_send(void *handle, char *buf, int len) { |
88 | struct loop_state *st = handle; |
89 | |
90 | return from_backend(st->term, 0, buf, len); |
91 | } |
92 | |
93 | static int null_sendbuffer(void *handle) { |
94 | |
95 | return 0; |
96 | } |
97 | |
98 | static void null_size(void *handle, int width, int height) { |
99 | |
100 | } |
101 | |
102 | static void null_special(void *handle, Telnet_Special code) { |
103 | |
104 | } |
105 | |
106 | static Socket null_socket(void *handle) { |
107 | |
108 | return NULL; |
109 | } |
110 | |
111 | static int null_exitcode(void *handle) { |
112 | |
113 | return 0; |
114 | } |
115 | |
116 | static int null_sendok(void *handle) { |
117 | |
118 | return 1; |
119 | } |
120 | |
121 | static void null_unthrottle(void *handle, int backlog) { |
122 | |
123 | } |
124 | |
125 | static int null_ldisc(void *handle, int option) { |
126 | |
127 | return 0; |
128 | } |
129 | |
130 | static void null_provide_ldisc (void *handle, void *ldisc) { |
131 | |
132 | } |
133 | |
134 | static void null_provide_logctx(void *handle, void *logctx) { |
135 | |
136 | } |
137 | |
138 | /* |
139 | * Emacs magic: |
140 | * Local Variables: |
141 | * c-file-style: "simon" |
142 | * End: |
143 | */ |