fix compiler warnings
[asterisk/asterisk.git] / apps / app_osplookup.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2006, Digium, Inc.
5  *
6  * Mark Spencer <markster@digium.com>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18
19 /*! \file
20  *
21  * \brief Open Settlement Protocol Lookup
22  *
23  * \author Mark Spencer <markster@digium.com>
24  * 
25  * \ingroup applications
26  */
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <unistd.h>
31 #include <string.h>
32 #include <ctype.h>
33
34 #include "asterisk.h"
35
36 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
37
38 #include "asterisk/lock.h"
39 #include "asterisk/file.h"
40 #include "asterisk/logger.h"
41 #include "asterisk/channel.h"
42 #include "asterisk/pbx.h"
43 #include "asterisk/options.h"
44 #include "asterisk/config.h"
45 #include "asterisk/module.h"
46 #include "asterisk/utils.h"
47 #include "asterisk/causes.h"
48 #include "asterisk/astosp.h"
49 #include "asterisk/app.h"
50 #include "asterisk/options.h"
51
52 static char *tdesc = "OSP Lookup";
53
54 static char *app = "OSPLookup";
55 static char *app2 = "OSPNext";
56 static char *app3 = "OSPFinish";
57
58 static char *synopsis = "Lookup number in OSP";
59 static char *synopsis2 = "Lookup next OSP entry";
60 static char *synopsis3 = "Record OSP entry";
61
62 static char *descrip = 
63 "  OSPLookup(exten[|provider[|options]]):  Looks up an extension via OSP and sets\n"
64 "the variables, where 'n' is the number of the result beginning with 1:\n"
65 " ${OSPTECH}:   The technology to use for the call\n"
66 " ${OSPDEST}:   The destination to use for the call\n"
67 " ${OSPTOKEN}:  The actual OSP token as a string\n"
68 " ${OSPHANDLE}: The OSP Handle for anything remaining\n"
69 " ${OSPRESULTS}: The number of OSP results total remaining\n"
70 "\n"
71 "The option string may contain the following character:\n"
72 "       'j' -- jump to n+101 priority if the lookup was NOT successful\n"
73 "This application sets the following channel variable upon completion:\n"
74 "       OSPLOOKUPSTATUS The status of the OSP Lookup attempt as a text string, one of\n"
75 "               SUCCESS | FAILED \n";
76
77
78 static char *descrip2 = 
79 "  OSPNext(cause[|options]):  Looks up the next OSP Destination for ${OSPHANDLE}\n"
80 "See OSPLookup for more information\n"
81 "\n"
82 "The option string may contain the following character:\n"
83 "       'j' -- jump to n+101 priority if the lookup was NOT successful\n"
84 "This application sets the following channel variable upon completion:\n"
85 "       OSPNEXTSTATUS   The status of the OSP Next attempt as a text string, one of\n"
86 "               SUCCESS | FAILED \n";
87
88 static char *descrip3 = 
89 "  OSPFinish(status[|options]):  Records call state for ${OSPHANDLE}, according to\n"
90 "status, which should be one of BUSY, CONGESTION, ANSWER, NOANSWER, or CHANUNAVAIL\n"
91 "or coincidentally, just what the Dial application stores in its ${DIALSTATUS}.\n"
92 "\n"
93 "The option string may contain the following character:\n"
94 "       'j' -- jump to n+101 priority if the finish attempt was NOT successful\n"
95 "This application sets the following channel variable upon completion:\n"
96 "       OSPFINISHSTATUS The status of the OSP Finish attempt as a text string, one of\n"
97 "               SUCCESS | FAILED \n";
98
99 STANDARD_LOCAL_USER;
100
101 LOCAL_USER_DECL;
102
103 static int str2cause(char *cause)
104 {
105         if (!strcasecmp(cause, "BUSY"))
106                 return AST_CAUSE_BUSY;
107         if (!strcasecmp(cause, "CONGESTION"))
108                 return AST_CAUSE_CONGESTION;
109         if (!strcasecmp(cause, "ANSWER"))
110                 return AST_CAUSE_NORMAL;
111         if (!strcasecmp(cause, "CANCEL"))
112                 return AST_CAUSE_NORMAL;
113         if (!strcasecmp(cause, "NOANSWER"))
114                 return AST_CAUSE_NOANSWER;
115         if (!strcasecmp(cause, "NOCHANAVAIL"))
116                 return AST_CAUSE_CONGESTION;
117         ast_log(LOG_WARNING, "Unknown cause '%s', using NORMAL\n", cause);
118         return AST_CAUSE_NORMAL;
119 }
120
121 static int osplookup_exec(struct ast_channel *chan, void *data)
122 {
123         int res=0;
124         struct localuser *u;
125         char *temp;
126         struct ast_osp_result result;
127         int priority_jump = 0;
128         AST_DECLARE_APP_ARGS(args,
129                 AST_APP_ARG(extension);
130                 AST_APP_ARG(provider);
131                 AST_APP_ARG(options);
132         );
133         
134         if (ast_strlen_zero(data)) {
135                 ast_log(LOG_WARNING, "OSPLookup requires an argument OSPLookup(exten[|provider[|options]])\n");
136                 return -1;
137         }
138
139         LOCAL_USER_ADD(u);
140
141         if (!(temp = ast_strdupa(data))) {
142                 LOCAL_USER_REMOVE(u);
143                 return -1;
144         }
145
146         AST_STANDARD_APP_ARGS(args, temp);
147
148         if (args.options) {
149                 if (strchr(args.options, 'j'))
150                         priority_jump = 1;
151         }
152
153         ast_log(LOG_DEBUG, "Whoo hoo, looking up OSP on '%s' via '%s'\n", args.extension, args.provider ? args.provider : "<default>");
154         if ((res = ast_osp_lookup(chan, args.provider, args.extension, chan->cid.cid_num, &result)) > 0) {
155                 char tmp[80];
156                 snprintf(tmp, sizeof(tmp), "%d", result.handle);
157                 pbx_builtin_setvar_helper(chan, "_OSPHANDLE", tmp);
158                 pbx_builtin_setvar_helper(chan, "_OSPTECH", result.tech);
159                 pbx_builtin_setvar_helper(chan, "_OSPDEST", result.dest);
160                 pbx_builtin_setvar_helper(chan, "_OSPTOKEN", result.token);
161                 snprintf(tmp, sizeof(tmp), "%d", result.numresults);
162                 pbx_builtin_setvar_helper(chan, "_OSPRESULTS", tmp);
163                 pbx_builtin_setvar_helper(chan, "OSPLOOKUPSTATUS", "SUCCESS");
164
165         } else {
166                 if (!res) {
167                         ast_log(LOG_NOTICE, "OSP Lookup failed for '%s' (provider '%s')\n", args.extension, args.provider ? args.provider : "<default>");
168                         pbx_builtin_setvar_helper(chan, "OSPLOOKUPSTATUS", "FAILED");
169                 } else
170                         ast_log(LOG_DEBUG, "Got hangup on '%s' while doing OSP Lookup for '%s' (provider '%s')!\n", chan->name, args.extension, args.provider ? args.provider : "<default>" );
171         }
172         if (!res) {
173                 /* Look for a "busy" place */
174                 if (priority_jump || ast_opt_priority_jumping)
175                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
176         } else if (res > 0)
177                 res = 0;
178         LOCAL_USER_REMOVE(u);
179         return res;
180 }
181
182 static int ospnext_exec(struct ast_channel *chan, void *data)
183 {
184         int res=0;
185         struct localuser *u;
186         char *temp;
187         const char *val;
188         int cause;
189         struct ast_osp_result result;
190         int priority_jump = 0;
191         AST_DECLARE_APP_ARGS(args,
192                 AST_APP_ARG(cause);
193                 AST_APP_ARG(options);
194         );
195         
196         if (ast_strlen_zero(data)) {
197                 ast_log(LOG_WARNING, "OSPNext should have an argument (cause[|options])\n");
198                 return -1;
199         }
200
201         LOCAL_USER_ADD(u);
202
203         if (!(temp = ast_strdupa(data))) {
204                 LOCAL_USER_REMOVE(u);
205                 return -1;
206         }
207
208         AST_STANDARD_APP_ARGS(args, temp);
209
210         if (args.options) {
211                 if (strchr(args.options, 'j'))
212                         priority_jump = 1;
213         }
214
215         cause = str2cause(args.cause);
216         val = pbx_builtin_getvar_helper(chan, "OSPHANDLE");
217         result.handle = -1;
218         if (!ast_strlen_zero(val) && (sscanf(val, "%d", &result.handle) == 1) && (result.handle > -1)) {
219                 val = pbx_builtin_getvar_helper(chan, "OSPRESULTS");
220                 if (ast_strlen_zero(val) || (sscanf(val, "%d", &result.numresults) != 1)) {
221                         result.numresults = 0;
222                 }
223                 if ((res = ast_osp_next(&result, cause)) > 0) {
224                         char tmp[80];
225                         snprintf(tmp, sizeof(tmp), "%d", result.handle);
226                         pbx_builtin_setvar_helper(chan, "_OSPHANDLE", tmp);
227                         pbx_builtin_setvar_helper(chan, "_OSPTECH", result.tech);
228                         pbx_builtin_setvar_helper(chan, "_OSPDEST", result.dest);
229                         pbx_builtin_setvar_helper(chan, "_OSPTOKEN", result.token);
230                         snprintf(tmp, sizeof(tmp), "%d", result.numresults);
231                         pbx_builtin_setvar_helper(chan, "_OSPRESULTS", tmp);
232                         pbx_builtin_setvar_helper(chan, "OSPNEXTSTATUS", "SUCCESS");
233                 }
234         } else {
235                 if (!res) {
236                         if (result.handle < 0)
237                                 ast_log(LOG_NOTICE, "OSP Lookup Next failed for handle '%d'\n", result.handle);
238                         else
239                                 ast_log(LOG_DEBUG, "No OSP handle specified\n");
240                         pbx_builtin_setvar_helper(chan, "OSPNEXTSTATUS", "FAILED");     
241                 } else
242                         ast_log(LOG_DEBUG, "Got hangup on '%s' while doing OSP Next!\n", chan->name);
243         }
244         if (!res) {
245                 /* Look for a "busy" place */
246                 if (priority_jump || ast_opt_priority_jumping)
247                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
248         } else if (res > 0)
249                 res = 0;
250         LOCAL_USER_REMOVE(u);
251         return res;
252 }
253
254 static int ospfinished_exec(struct ast_channel *chan, void *data)
255 {
256         int res=0;
257         struct localuser *u;
258         char *temp;
259         const char *val;
260         int cause;
261         time_t start=0, duration=0;
262         struct ast_osp_result result;
263         int priority_jump = 0;
264         AST_DECLARE_APP_ARGS(args,
265                 AST_APP_ARG(status);
266                 AST_APP_ARG(options);
267         );
268         
269         if (ast_strlen_zero(data)) {
270                 ast_log(LOG_WARNING, "OSPFinish should have an argument (status[|options])\n");
271                 return -1;
272         }
273
274         LOCAL_USER_ADD(u);
275
276         if (!(temp = ast_strdupa(data))) {
277                 LOCAL_USER_REMOVE(u);
278                 return -1;
279         }
280
281         AST_STANDARD_APP_ARGS(args, temp);
282
283         if (args.options) {
284                 if (strchr(args.options, 'j'))
285                         priority_jump = 1;
286         }
287
288         if (chan->cdr) {
289                 start = chan->cdr->answer.tv_sec;
290                 if (start)
291                         duration = time(NULL) - start;
292                 else
293                         duration = 0;
294         } else
295                 ast_log(LOG_WARNING, "OSPFinish called on channel '%s' with no CDR!\n", chan->name);
296         
297         cause = str2cause(args.status);
298         val = pbx_builtin_getvar_helper(chan, "OSPHANDLE");
299         result.handle = -1;
300         if (!ast_strlen_zero(val) && (sscanf(val, "%d", &result.handle) == 1) && (result.handle > -1)) {
301                 if (!ast_osp_terminate(result.handle, cause, start, duration)) {
302                         pbx_builtin_setvar_helper(chan, "_OSPHANDLE", "");
303                         pbx_builtin_setvar_helper(chan, "OSPFINISHSTATUS", "SUCCESS");
304                         res = 1;
305                 }
306         } else {
307                 if (!res) {
308                         if (result.handle > -1)
309                                 ast_log(LOG_NOTICE, "OSP Finish failed for handle '%d'\n", result.handle);
310                         else
311                                 ast_log(LOG_DEBUG, "No OSP handle specified\n");
312                         pbx_builtin_setvar_helper(chan, "OSPFINISHSTATUS", "FAILED");
313                 } else
314                         ast_log(LOG_DEBUG, "Got hangup on '%s' while doing OSP Terminate!\n", chan->name);
315         }
316         if (!res) {
317                 /* Look for a "busy" place */
318                 if (priority_jump || ast_opt_priority_jumping)
319                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
320         } else if (res > 0)
321                 res = 0;
322         LOCAL_USER_REMOVE(u);
323         return res;
324 }
325
326
327 int unload_module(void)
328 {
329         int res;
330         
331         res = ast_unregister_application(app3);
332         res |= ast_unregister_application(app2);
333         res |= ast_unregister_application(app);
334
335         STANDARD_HANGUP_LOCALUSERS;
336
337         return res;
338 }
339
340 int load_module(void)
341 {
342         int res;
343         
344         res = ast_register_application(app, osplookup_exec, synopsis, descrip);
345         res |= ast_register_application(app2, ospnext_exec, synopsis2, descrip2);
346         res |= ast_register_application(app3, ospfinished_exec, synopsis3, descrip3);
347         
348         return res;
349 }
350
351 int reload(void)
352 {
353         return 0;
354 }
355
356
357 char *description(void)
358 {
359         return tdesc;
360 }
361
362 int usecount(void)
363 {
364         int res;
365         STANDARD_USECOUNT(res);
366         return res;
367 }
368
369 char *key()
370 {
371         return ASTERISK_GPL_KEY;
372 }
373