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

   1 /* $Id: testback.c,v 1.8 2003/04/05 14:32:58 ben Exp $ */
   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 **, Config *, char *, int, char **, int);
  37 static char *loop_init(void *, void **, Config *, char *, int, char **, int);
  38 static void null_free(void *);
  39 static void loop_free(void *);
  40 static void null_reconfig(void *, Config *);
  41 static int null_send(void *, char *, int);
  42 static int loop_send(void *, char *, int);
  43 static int null_sendbuffer(void *);
  44 static void null_size(void *, int, int);
  45 static void null_special(void *, Telnet_Special);
  46 static const struct telnet_special *null_get_specials(void *handle);
  47 static Socket null_socket(void *);
  48 static int null_exitcode(void *);
  49 static int null_sendok(void *);
  50 static int null_ldisc(void *, int);
  51 static void null_provide_ldisc(void *, void *);
  52 static void null_provide_logctx(void *, void *);
  53 static void null_unthrottle(void *, int);
  54
  55 Backend null_backend = {
  56     null_init, null_free, null_reconfig, null_send, null_sendbuffer, null_size,
  57     null_special, null_get_specials, null_socket, null_exitcode, null_sendok,
  58     null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  59 };
  60
  61 Backend loop_backend = {
  62     loop_init, loop_free, null_reconfig, loop_send, null_sendbuffer, null_size,
  63     null_special, null_get_specials, null_socket, null_exitcode, null_sendok,
  64     null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  65 };
  66
  67 struct loop_state {
  68     Terminal *term;
  69 };
  70
  71 static char *null_init(void *frontend_handle, void **backend_handle,
  72                        Config *cfg, char *host, int port, char **realhost,
  73                        int nodelay) {
  74
  75     return NULL;
  76 }
  77
  78 static char *loop_init(void *frontend_handle, void **backend_handle,
  79                        Config *cfg, char *host, int port, char **realhost,
  80                        int nodelay) {
  81     struct loop_state *st = snew(struct loop_state);
  82
  83     st->term = frontend_handle;
  84     *backend_handle = st;
  85     return NULL;
  86 }
  87
  88 static void null_free(void *handle)
  89 {
  90
  91 }
  92
  93 static void loop_free(void *handle)
  94 {
  95
  96     sfree(handle);
  97 }
  98
  99 static void null_reconfig(void *handle, Config *cfg) {
 100
 101 }
 102
 103 static int null_send(void *handle, char *buf, int len) {
 104
 105     return 0;
 106 }
 107
 108 static int loop_send(void *handle, char *buf, int len) {
 109     struct loop_state *st = handle;
 110
 111     return from_backend(st->term, 0, buf, len);
 112 }
 113
 114 static int null_sendbuffer(void *handle) {
 115
 116     return 0;
 117 }
 118
 119 static void null_size(void *handle, int width, int height) {
 120
 121 }
 122
 123 static void null_special(void *handle, Telnet_Special code) {
 124
 125 }
 126
 127 static const struct telnet_special *null_get_specials (void *handle) {
 128
 129     return NULL;
 130 }
 131
 132 static Socket null_socket(void *handle) {
 133
 134     return NULL;
 135 }
 136
 137 static int null_exitcode(void *handle) {
 138
 139     return 0;
 140 }
 141
 142 static int null_sendok(void *handle) {
 143
 144     return 1;
 145 }
 146
 147 static void null_unthrottle(void *handle, int backlog) {
 148
 149 }
 150
 151 static int null_ldisc(void *handle, int option) {
 152
 153     return 0;
 154 }
 155
 156 static void null_provide_ldisc (void *handle, void *ldisc) {
 157
 158 }
 159
 160 static void null_provide_logctx(void *handle, void *logctx) {
 161
 162 }
 163
 164 /*
 165  * Emacs magic:
 166  * Local Variables:
 167  * c-file-style: "simon"
 168  * End:
 169  */