git.distorted.org.uk Git - u/mdw/putty/blob - testback.c

   1 /* $Id$ */
   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 const char *null_init(void *, void **, Config *, char *, int, char **,
  37                              int, int);
  38 static const char *loop_init(void *, void **, Config *, char *, int, char **,
  39                              int, int);
  40 static void null_free(void *);
  41 static void loop_free(void *);
  42 static void null_reconfig(void *, Config *);
  43 static int null_send(void *, char *, int);
  44 static int loop_send(void *, char *, int);
  45 static int null_sendbuffer(void *);
  46 static void null_size(void *, int, int);
  47 static void null_special(void *, Telnet_Special);
  48 static const struct telnet_special *null_get_specials(void *handle);
  49 static Socket null_socket(void *);
  50 static int null_exitcode(void *);
  51 static int null_sendok(void *);
  52 static int null_ldisc(void *, int);
  53 static void null_provide_ldisc(void *, void *);
  54 static void null_provide_logctx(void *, void *);
  55 static void null_unthrottle(void *, int);
  56
  57 Backend null_backend = {
  58     null_init, null_free, null_reconfig, null_send, null_sendbuffer, null_size,
  59     null_special, null_get_specials, null_socket, null_exitcode, null_sendok,
  60     null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle,
  61     null_cfg_info, 0
  62 };
  63
  64 Backend loop_backend = {
  65     loop_init, loop_free, null_reconfig, loop_send, null_sendbuffer, null_size,
  66     null_special, null_get_specials, null_socket, null_exitcode, null_sendok,
  67     null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle,
  68     null_cfg_info, 0
  69 };
  70
  71 struct loop_state {
  72     Terminal *term;
  73 };
  74
  75 static const char *null_init(void *frontend_handle, void **backend_handle,
  76                              Config *cfg, char *host, int port,
  77                              char **realhost, int nodelay, int keepalive) {
  78
  79     return NULL;
  80 }
  81
  82 static const char *loop_init(void *frontend_handle, void **backend_handle,
  83                              Config *cfg, char *host, int port,
  84                              char **realhost, int nodelay, int keepalive) {
  85     struct loop_state *st = snew(struct loop_state);
  86
  87     st->term = frontend_handle;
  88     *backend_handle = st;
  89     return NULL;
  90 }
  91
  92 static void null_free(void *handle)
  93 {
  94
  95 }
  96
  97 static void loop_free(void *handle)
  98 {
  99
 100     sfree(handle);
 101 }
 102
 103 static void null_reconfig(void *handle, Config *cfg) {
 104
 105 }
 106
 107 static int null_send(void *handle, char *buf, int len) {
 108
 109     return 0;
 110 }
 111
 112 static int loop_send(void *handle, char *buf, int len) {
 113     struct loop_state *st = handle;
 114
 115     return from_backend(st->term, 0, buf, len);
 116 }
 117
 118 static int null_sendbuffer(void *handle) {
 119
 120     return 0;
 121 }
 122
 123 static void null_size(void *handle, int width, int height) {
 124
 125 }
 126
 127 static void null_special(void *handle, Telnet_Special code) {
 128
 129 }
 130
 131 static const struct telnet_special *null_get_specials (void *handle) {
 132
 133     return NULL;
 134 }
 135
 136 static Socket null_socket(void *handle) {
 137
 138     return NULL;
 139 }
 140
 141 static int null_exitcode(void *handle) {
 142
 143     return 0;
 144 }
 145
 146 static int null_sendok(void *handle) {
 147
 148     return 1;
 149 }
 150
 151 static void null_unthrottle(void *handle, int backlog) {
 152
 153 }
 154
 155 static int null_ldisc(void *handle, int option) {
 156
 157     return 0;
 158 }
 159
 160 static void null_provide_ldisc (void *handle, void *ldisc) {
 161
 162 }
 163
 164 static void null_provide_logctx(void *handle, void *logctx) {
 165
 166 }
 167
 168 static int null_cfg_info(void *handle)
 169 {
 170     return 0;
 171 }
 172
 173
 174 /*
 175  * Emacs magic:
 176  * Local Variables:
 177  * c-file-style: "simon"
 178  * End:
 179  */