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00027 #include "asterisk.h"
00028
00029 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 166275 $")
00030
00031 #include "asterisk/module.h"
00032 #include "asterisk/channel.h"
00033 #include "asterisk/pbx.h"
00034 #include "asterisk/utils.h"
00035 #include "asterisk/app.h"
00036
00037 static int timeout_read(struct ast_channel *chan, const char *cmd, char *data,
00038 char *buf, size_t len)
00039 {
00040 struct timeval myt;
00041
00042 if (!chan)
00043 return -1;
00044
00045 if (!data) {
00046 ast_log(LOG_ERROR, "Must specify type of timeout to get.\n");
00047 return -1;
00048 }
00049
00050 switch (*data) {
00051 case 'a':
00052 case 'A':
00053 if (ast_tvzero(chan->whentohangup)) {
00054 ast_copy_string(buf, "0", len);
00055 } else {
00056 myt = ast_tvnow();
00057 snprintf(buf, len, "%.3f", ast_tvdiff_ms(myt, chan->whentohangup) / 1000.0);
00058 }
00059 break;
00060
00061 case 'r':
00062 case 'R':
00063 if (chan->pbx) {
00064 snprintf(buf, len, "%.3f", chan->pbx->rtimeoutms / 1000.0);
00065 }
00066 break;
00067
00068 case 'd':
00069 case 'D':
00070 if (chan->pbx) {
00071 snprintf(buf, len, "%.3f", chan->pbx->dtimeoutms / 1000.0);
00072 }
00073 break;
00074
00075 default:
00076 ast_log(LOG_ERROR, "Unknown timeout type specified.\n");
00077 return -1;
00078 }
00079
00080 return 0;
00081 }
00082
00083 static int timeout_write(struct ast_channel *chan, const char *cmd, char *data,
00084 const char *value)
00085 {
00086 double x = 0.0;
00087 long sec = 0L;
00088 char timestr[64];
00089 struct ast_tm myt;
00090 struct timeval when = {0,};
00091 int res;
00092
00093 if (!chan)
00094 return -1;
00095
00096 if (!data) {
00097 ast_log(LOG_ERROR, "Must specify type of timeout to set.\n");
00098 return -1;
00099 }
00100
00101 if (!value)
00102 return -1;
00103
00104 res = sscanf(value, "%ld%lf", &sec, &x);
00105 if (res == 0 || sec < 0) {
00106 when.tv_sec = 0;
00107 when.tv_usec = 0;
00108 } else if (res == 1) {
00109 when.tv_sec = sec;
00110 } else if (res == 2) {
00111 when.tv_sec = sec;
00112 when.tv_usec = x * 1000000;
00113 }
00114
00115 switch (*data) {
00116 case 'a':
00117 case 'A':
00118 ast_channel_setwhentohangup_tv(chan, when);
00119 if (VERBOSITY_ATLEAST(3)) {
00120 if (!ast_tvzero(chan->whentohangup)) {
00121 when = ast_tvadd(when, ast_tvnow());
00122 ast_strftime(timestr, sizeof(timestr), "%Y-%m-%d %H:%M:%S.%3q %Z",
00123 ast_localtime(&when, &myt, NULL));
00124 ast_verbose("Channel will hangup at %s.\n", timestr);
00125 } else {
00126 ast_verbose("Channel hangup cancelled.\n");
00127 }
00128 }
00129 break;
00130
00131 case 'r':
00132 case 'R':
00133 if (chan->pbx) {
00134 chan->pbx->rtimeoutms = when.tv_sec * 1000 + when.tv_usec / 1000.0;
00135 ast_verb(3, "Response timeout set to %.3f\n", chan->pbx->rtimeoutms / 1000.0);
00136 }
00137 break;
00138
00139 case 'd':
00140 case 'D':
00141 if (chan->pbx) {
00142 chan->pbx->dtimeoutms = when.tv_sec * 1000 + when.tv_usec / 1000.0;
00143 ast_verb(3, "Digit timeout set to %.3f\n", chan->pbx->dtimeoutms / 1000.0);
00144 }
00145 break;
00146
00147 default:
00148 ast_log(LOG_ERROR, "Unknown timeout type specified.\n");
00149 break;
00150 }
00151
00152 return 0;
00153 }
00154
00155 static struct ast_custom_function timeout_function = {
00156 .name = "TIMEOUT",
00157 .synopsis = "Gets or sets timeouts on the channel. Timeout values are in seconds.",
00158 .syntax = "TIMEOUT(timeouttype)",
00159 .desc =
00160 "Gets or sets various channel timeouts. The timeouts that can be\n"
00161 "manipulated are:\n" "\n"
00162 "absolute: The absolute maximum amount of time permitted for a call. A\n"
00163 " setting of 0 disables the timeout.\n" "\n"
00164 "digit: The maximum amount of time permitted between digits when the\n"
00165 " user is typing in an extension. When this timeout expires,\n"
00166 " after the user has started to type in an extension, the\n"
00167 " extension will be considered complete, and will be\n"
00168 " interpreted. Note that if an extension typed in is valid,\n"
00169 " it will not have to timeout to be tested, so typically at\n"
00170 " the expiry of this timeout, the extension will be considered\n"
00171 " invalid (and thus control would be passed to the 'i'\n"
00172 " extension, or if it doesn't exist the call would be\n"
00173 " terminated). The default timeout is 5 seconds.\n" "\n"
00174 "response: The maximum amount of time permitted after falling through a\n"
00175 " series of priorities for a channel in which the user may\n"
00176 " begin typing an extension. If the user does not type an\n"
00177 " extension in this amount of time, control will pass to the\n"
00178 " 't' extension if it exists, and if not the call would be\n"
00179 " terminated. The default timeout is 10 seconds.\n",
00180 .read = timeout_read,
00181 .write = timeout_write,
00182 };
00183
00184 static int unload_module(void)
00185 {
00186 return ast_custom_function_unregister(&timeout_function);
00187 }
00188
00189 static int load_module(void)
00190 {
00191 return ast_custom_function_register(&timeout_function);
00192 }
00193
00194 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Channel timeout dialplan functions");