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00028 #include "asterisk.h"
00029
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 94806 $")
00031
00032 #include "asterisk/lock.h"
00033 #include "asterisk/file.h"
00034 #include "asterisk/channel.h"
00035 #include "asterisk/pbx.h"
00036 #include "asterisk/module.h"
00037 #include "asterisk/translate.h"
00038 #include "asterisk/app.h"
00039
00040 static char *app = "Zapateller";
00041
00042 static char *synopsis = "Block telemarketers with SIT";
00043
00044 static char *descrip =
00045 " Zapateller(options): Generates special information tone to block\n"
00046 "telemarketers from calling you. Options is a pipe-delimited list of\n"
00047 "options. The following options are available:\n"
00048 " 'answer' - causes the line to be answered before playing the tone,\n"
00049 " 'nocallerid' - causes Zapateller to only play the tone if there is no\n"
00050 " callerid information available. Options should be\n"
00051 " separated by , characters\n\n"
00052 " This application will set the following channel variable upon completion:\n"
00053 " ZAPATELLERSTATUS - This will contain the last action accomplished by the\n"
00054 " Zapateller application. Possible values include:\n"
00055 " NOTHING | ANSWERED | ZAPPED\n\n";
00056
00057
00058 static int zapateller_exec(struct ast_channel *chan, void *data)
00059 {
00060 int res = 0;
00061 int i, answer = 0, nocallerid = 0;
00062 char *parse = ast_strdupa((char *)data);
00063 AST_DECLARE_APP_ARGS(args,
00064 AST_APP_ARG(options)[2];
00065 );
00066
00067 AST_STANDARD_APP_ARGS(args, parse);
00068
00069 for (i = 0; i < args.argc; i++) {
00070 if (!strcasecmp(args.options[i], "answer"))
00071 answer = 1;
00072 else if (!strcasecmp(args.options[i], "nocallerid"))
00073 nocallerid = 1;
00074 }
00075
00076 pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "NOTHING");
00077 ast_stopstream(chan);
00078 if (chan->_state != AST_STATE_UP) {
00079 if (answer) {
00080 res = ast_answer(chan);
00081 pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "ANSWERED");
00082 }
00083 if (!res)
00084 res = ast_safe_sleep(chan, 500);
00085 }
00086
00087 if (!ast_strlen_zero(chan->cid.cid_num) && nocallerid)
00088 return res;
00089
00090 if (!res)
00091 res = ast_tonepair(chan, 950, 0, 330, 0);
00092 if (!res)
00093 res = ast_tonepair(chan, 1400, 0, 330, 0);
00094 if (!res)
00095 res = ast_tonepair(chan, 1800, 0, 330, 0);
00096 if (!res)
00097 res = ast_tonepair(chan, 0, 0, 1000, 0);
00098
00099 pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "ZAPPED");
00100 return res;
00101 }
00102
00103 static int unload_module(void)
00104 {
00105 return ast_unregister_application(app);
00106 }
00107
00108 static int load_module(void)
00109 {
00110 return ((ast_register_application(app, zapateller_exec, synopsis, descrip)) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS);
00111 }
00112
00113 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Block Telemarketers with Special Information Tone");