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00026 #include "asterisk.h"
00027
00028 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 238230 $")
00029
00030 #include <stdio.h>
00031 #include <stdlib.h>
00032 #include <string.h>
00033 #include <sys/types.h>
00034
00035 #include "asterisk/module.h"
00036 #include "asterisk/channel.h"
00037 #include "asterisk/pbx.h"
00038 #include "asterisk/logger.h"
00039 #include "asterisk/utils.h"
00040 #include "asterisk/app.h"
00041 #include "asterisk/cdr.h"
00042
00043 enum {
00044 OPT_RECURSIVE = (1 << 0),
00045 OPT_UNPARSED = (1 << 1),
00046 OPT_LAST = (1 << 2),
00047 OPT_SKIPLOCKED = (1 << 3),
00048 } cdr_option_flags;
00049
00050 AST_APP_OPTIONS(cdr_func_options, {
00051 AST_APP_OPTION('l', OPT_LAST),
00052 AST_APP_OPTION('r', OPT_RECURSIVE),
00053 AST_APP_OPTION('s', OPT_SKIPLOCKED),
00054 AST_APP_OPTION('u', OPT_UNPARSED),
00055 });
00056
00057 static int cdr_read(struct ast_channel *chan, char *cmd, char *parse,
00058 char *buf, size_t len)
00059 {
00060 char *ret;
00061 struct ast_flags flags = { 0 };
00062 struct ast_cdr *cdr = chan ? chan->cdr : NULL;
00063 AST_DECLARE_APP_ARGS(args,
00064 AST_APP_ARG(variable);
00065 AST_APP_ARG(options);
00066 );
00067
00068 if (ast_strlen_zero(parse))
00069 return -1;
00070
00071 if (!cdr)
00072 return -1;
00073
00074 AST_STANDARD_APP_ARGS(args, parse);
00075
00076 if (!ast_strlen_zero(args.options))
00077 ast_app_parse_options(cdr_func_options, &flags, NULL, args.options);
00078
00079 if (ast_test_flag(&flags, OPT_LAST))
00080 while (cdr->next)
00081 cdr = cdr->next;
00082
00083 if (ast_test_flag(&flags, OPT_SKIPLOCKED))
00084 while (ast_test_flag(cdr, AST_CDR_FLAG_LOCKED) && cdr->next)
00085 cdr = cdr->next;
00086
00087 ast_cdr_getvar(cdr, args.variable, &ret, buf, len,
00088 ast_test_flag(&flags, OPT_RECURSIVE),
00089 ast_test_flag(&flags, OPT_UNPARSED));
00090
00091 return ret ? 0 : -1;
00092 }
00093
00094 static int cdr_write(struct ast_channel *chan, char *cmd, char *parse,
00095 const char *value)
00096 {
00097 struct ast_cdr *cdr = chan ? chan->cdr : NULL;
00098 struct ast_flags flags = { 0 };
00099 AST_DECLARE_APP_ARGS(args,
00100 AST_APP_ARG(variable);
00101 AST_APP_ARG(options);
00102 );
00103
00104 if (ast_strlen_zero(parse) || !value || !chan)
00105 return -1;
00106
00107 if (!cdr)
00108 return -1;
00109
00110 AST_STANDARD_APP_ARGS(args, parse);
00111
00112 if (!ast_strlen_zero(args.options))
00113 ast_app_parse_options(cdr_func_options, &flags, NULL, args.options);
00114
00115 if (ast_test_flag(&flags, OPT_LAST))
00116 while (cdr->next)
00117 cdr = cdr->next;
00118
00119 if (!strcasecmp(args.variable, "accountcode"))
00120 ast_cdr_setaccount(chan, value);
00121 else if (!strcasecmp(args.variable, "userfield"))
00122 ast_cdr_setuserfield(chan, value);
00123 else if (!strcasecmp(args.variable, "amaflags"))
00124 ast_cdr_setamaflags(chan, value);
00125 else
00126 ast_cdr_setvar(cdr, args.variable, value, ast_test_flag(&flags, OPT_RECURSIVE));
00127
00128
00129
00130 return 0;
00131 }
00132
00133 static struct ast_custom_function cdr_function = {
00134 .name = "CDR",
00135 .synopsis = "Gets or sets a CDR variable",
00136 .syntax = "CDR(<name>[|options])",
00137 .read = cdr_read,
00138 .write = cdr_write,
00139 .desc =
00140 "Options:\n"
00141 " 'l' uses the most recent CDR on a channel with multiple records\n"
00142 " 'r' searches the entire stack of CDRs on the channel\n"
00143 " 's' skips any CDR's that are marked 'LOCKED' due to forkCDR() calls.\n"
00144 " (on setting/writing CDR vars only)\n"
00145 " 'u' retrieves the raw, unprocessed value\n"
00146 " For example, 'start', 'answer', and 'end' will be retrieved as epoch\n"
00147 " values, when the 'u' option is passed, but formatted as YYYY-MM-DD HH:MM:SS\n"
00148 " otherwise. Similarly, disposition and amaflags will return their raw\n"
00149 " integral values.\n"
00150 " Here is a list of all the available cdr field names:\n"
00151 " clid lastdata disposition\n"
00152 " src start amaflags\n"
00153 " dst answer accountcode\n"
00154 " dcontext end uniqueid\n"
00155 " dstchannel duration userfield\n"
00156 " lastapp billsec channel\n"
00157 " All of the above variables are read-only, except for accountcode,\n"
00158 " userfield, and amaflags. You may, however, supply\n"
00159 " a name not on the above list, and create your own\n"
00160 " variable, whose value can be changed with this function,\n"
00161 " and this variable will be stored on the cdr.\n"
00162 " For setting CDR values, the 'l' flag does not apply to\n"
00163 " setting the accountcode, userfield, or amaflags.\n"
00164 " raw values for disposition:\n"
00165 " 0 = NO ANSWER\n"
00166 " 1 = NO ANSWER (NULL record)\n"
00167 " 2 = FAILED\n"
00168 " 4 = BUSY\n"
00169 " 8 = ANSWERED\n"
00170 " raw values for amaflags:\n"
00171 " 1 = OMIT\n"
00172 " 2 = BILLING\n"
00173 " 3 = DOCUMENTATION\n",
00174 };
00175
00176 static int unload_module(void)
00177 {
00178 return ast_custom_function_unregister(&cdr_function);
00179 }
00180
00181 static int load_module(void)
00182 {
00183 return ast_custom_function_register(&cdr_function);
00184 }
00185
00186 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "CDR dialplan function");