00001 /* 00002 * Asterisk -- An open source telephony toolkit. 00003 * 00004 * Copyright (C) 1999 - 2005, Digium, Inc. 00005 * 00006 * Mark Spencer <markster@digium.com> 00007 * 00008 * See http://www.asterisk.org for more information about 00009 * the Asterisk project. Please do not directly contact 00010 * any of the maintainers of this project for assistance; 00011 * the project provides a web site, mailing lists and IRC 00012 * channels for your use. 00013 * 00014 * This program is free software, distributed under the terms of 00015 * the GNU General Public License Version 2. See the LICENSE file 00016 * at the top of the source tree. 00017 */ 00018 00019 /*! \file 00020 * \brief Call Detail Record API 00021 */ 00022 00023 #ifndef _ASTERISK_CDR_H 00024 #define _ASTERISK_CDR_H 00025 00026 #include <sys/time.h> 00027 #define AST_CDR_FLAG_KEEP_VARS (1 << 0) 00028 #define AST_CDR_FLAG_POSTED (1 << 1) 00029 #define AST_CDR_FLAG_LOCKED (1 << 2) 00030 #define AST_CDR_FLAG_CHILD (1 << 3) 00031 #define AST_CDR_FLAG_POST_DISABLED (1 << 4) 00032 00033 #define AST_CDR_NULL 0 00034 #define AST_CDR_FAILED (1 << 0) 00035 #define AST_CDR_BUSY (1 << 1) 00036 #define AST_CDR_NOANSWER (1 << 2) 00037 #define AST_CDR_ANSWERED (1 << 3) 00038 00039 /*! AMA Flags */ 00040 #define AST_CDR_OMIT (1) 00041 #define AST_CDR_BILLING (2) 00042 #define AST_CDR_DOCUMENTATION (3) 00043 00044 #define AST_MAX_USER_FIELD 256 00045 #define AST_MAX_ACCOUNT_CODE 20 00046 00047 /* Include channel.h after relevant declarations it will need */ 00048 #include "asterisk/channel.h" 00049 #include "asterisk/utils.h" 00050 00051 /*! Responsible for call detail data */ 00052 struct ast_cdr { 00053 /*! Caller*ID with text */ 00054 char clid[AST_MAX_EXTENSION]; 00055 /*! Caller*ID number */ 00056 char src[AST_MAX_EXTENSION]; 00057 /*! Destination extension */ 00058 char dst[AST_MAX_EXTENSION]; 00059 /*! Destination context */ 00060 char dcontext[AST_MAX_EXTENSION]; 00061 00062 char channel[AST_MAX_EXTENSION]; 00063 /*! Destination channel if appropriate */ 00064 char dstchannel[AST_MAX_EXTENSION]; 00065 /*! Last application if appropriate */ 00066 char lastapp[AST_MAX_EXTENSION]; 00067 /*! Last application data */ 00068 char lastdata[AST_MAX_EXTENSION]; 00069 00070 struct timeval start; 00071 00072 struct timeval answer; 00073 00074 struct timeval end; 00075 /*! Total time in system, in seconds */ 00076 long int duration; 00077 /*! Total time call is up, in seconds */ 00078 long int billsec; 00079 /*! What happened to the call */ 00080 long int disposition; 00081 /*! What flags to use */ 00082 long int amaflags; 00083 /*! What account number to use */ 00084 char accountcode[AST_MAX_ACCOUNT_CODE]; 00085 /*! flags */ 00086 unsigned int flags; 00087 /* Unique Channel Identifier */ 00088 char uniqueid[32]; 00089 /* User field */ 00090 char userfield[AST_MAX_USER_FIELD]; 00091 00092 /* A linked list for variables */ 00093 struct varshead varshead; 00094 00095 struct ast_cdr *next; 00096 }; 00097 00098 void ast_cdr_getvar(struct ast_cdr *cdr, const char *name, char **ret, char *workspace, int workspacelen, int recur, int raw); 00099 int ast_cdr_setvar(struct ast_cdr *cdr, const char *name, const char *value, int recur); 00100 int ast_cdr_serialize_variables(struct ast_cdr *cdr, char *buf, size_t size, char delim, char sep, int recur); 00101 void ast_cdr_free_vars(struct ast_cdr *cdr, int recur); 00102 int ast_cdr_copy_vars(struct ast_cdr *to_cdr, struct ast_cdr *from_cdr); 00103 00104 typedef int (*ast_cdrbe)(struct ast_cdr *cdr); 00105 00106 /*! \brief Return TRUE if CDR subsystem is enabled */ 00107 int check_cdr_enabled(void); 00108 00109 /*! \brief Allocate a CDR record 00110 * Returns a malloc'd ast_cdr structure, returns NULL on error (malloc failure) 00111 */ 00112 struct ast_cdr *ast_cdr_alloc(void); 00113 00114 /*! \brief Duplicate a record 00115 * Returns a malloc'd ast_cdr structure, returns NULL on error (malloc failure) 00116 */ 00117 struct ast_cdr *ast_cdr_dup(struct ast_cdr *cdr); 00118 00119 /*! \brief Free a CDR record 00120 * \param cdr ast_cdr structure to free 00121 * Returns nothing 00122 */ 00123 void ast_cdr_free(struct ast_cdr *cdr); 00124 00125 /*! \brief Discard and free a CDR record 00126 * \param cdr ast_cdr structure to free 00127 * Returns nothing -- same as free, but no checks or complaints 00128 */ 00129 void ast_cdr_discard(struct ast_cdr *cdr); 00130 00131 /*! \brief Initialize based on a channel 00132 * \param cdr Call Detail Record to use for channel 00133 * \param chan Channel to bind CDR with 00134 * Initializes a CDR and associates it with a particular channel 00135 * Return is negligible. (returns 0 by default) 00136 */ 00137 int ast_cdr_init(struct ast_cdr *cdr, struct ast_channel *chan); 00138 00139 /*! Initialize based on a channel */ 00140 /*! 00141 * \param cdr Call Detail Record to use for channel 00142 * \param chan Channel to bind CDR with 00143 * Initializes a CDR and associates it with a particular channel 00144 * Return is negligible. (returns 0 by default) 00145 */ 00146 int ast_cdr_setcid(struct ast_cdr *cdr, struct ast_channel *chan); 00147 00148 /*! Register a CDR handling engine */ 00149 /*! 00150 * \param name name associated with the particular CDR handler 00151 * \param desc description of the CDR handler 00152 * \param be function pointer to a CDR handler 00153 * Used to register a Call Detail Record handler. 00154 * Returns -1 on error, 0 on success. 00155 */ 00156 int ast_cdr_register(const char *name, const char *desc, ast_cdrbe be); 00157 00158 /*! Unregister a CDR handling engine */ 00159 /*! 00160 * \param name name of CDR handler to unregister 00161 * Unregisters a CDR by it's name 00162 */ 00163 void ast_cdr_unregister(const char *name); 00164 00165 /*! Start a call */ 00166 /*! 00167 * \param cdr the cdr you wish to associate with the call 00168 * Starts all CDR stuff necessary for monitoring a call 00169 * Returns nothing 00170 */ 00171 void ast_cdr_start(struct ast_cdr *cdr); 00172 00173 /*! Answer a call */ 00174 /*! 00175 * \param cdr the cdr you wish to associate with the call 00176 * Starts all CDR stuff necessary for doing CDR when answering a call 00177 * NULL argument is just fine. 00178 */ 00179 void ast_cdr_answer(struct ast_cdr *cdr); 00180 00181 /*! A call wasn't answered */ 00182 /*! 00183 * \param cdr the cdr you wish to associate with the call 00184 * Marks the channel disposition as "NO ANSWER" 00185 */ 00186 extern void ast_cdr_noanswer(struct ast_cdr *cdr); 00187 00188 /*! Busy a call */ 00189 /*! 00190 * \param cdr the cdr you wish to associate with the call 00191 * Returns nothing 00192 */ 00193 void ast_cdr_busy(struct ast_cdr *cdr); 00194 00195 /*! Fail a call */ 00196 /*! 00197 * \param cdr the cdr you wish to associate with the call 00198 * Returns nothing 00199 */ 00200 void ast_cdr_failed(struct ast_cdr *cdr); 00201 00202 /*! Save the result of the call based on the AST_CAUSE_* */ 00203 /*! 00204 * \param cdr the cdr you wish to associate with the call 00205 * Returns nothing 00206 * \param cause the AST_CAUSE_* 00207 */ 00208 int ast_cdr_disposition(struct ast_cdr *cdr, int cause); 00209 00210 /*! End a call */ 00211 /*! 00212 * \param cdr the cdr you have associated the call with 00213 * Registers the end of call time in the cdr structure. 00214 * Returns nothing 00215 */ 00216 void ast_cdr_end(struct ast_cdr *cdr); 00217 00218 /*! Detaches the detail record for posting (and freeing) either now or at a 00219 * later time in bulk with other records during batch mode operation */ 00220 /*! 00221 * \param cdr Which CDR to detach from the channel thread 00222 * Prevents the channel thread from blocking on the CDR handling 00223 * Returns nothing 00224 */ 00225 void ast_cdr_detach(struct ast_cdr *cdr); 00226 00227 /*! Spawns (possibly) a new thread to submit a batch of CDRs to the backend engines */ 00228 /*! 00229 * \param shutdown Whether or not we are shutting down 00230 * Blocks the asterisk shutdown procedures until the CDR data is submitted. 00231 * Returns nothing 00232 */ 00233 void ast_cdr_submit_batch(int shutdown); 00234 00235 /*! Set the destination channel, if there was one */ 00236 /*! 00237 * \param cdr Which cdr it's applied to 00238 * \param chan Channel to which dest will be 00239 * Sets the destination channel the CDR is applied to 00240 * Returns nothing 00241 */ 00242 void ast_cdr_setdestchan(struct ast_cdr *cdr, const char *chan); 00243 00244 /*! Set the last executed application */ 00245 /*! 00246 * \param cdr which cdr to act upon 00247 * \param app the name of the app you wish to change it to 00248 * \param data the data you want in the data field of app you set it to 00249 * Changes the value of the last executed app 00250 * Returns nothing 00251 */ 00252 void ast_cdr_setapp(struct ast_cdr *cdr, char *app, char *data); 00253 00254 /*! Convert a string to a detail record AMA flag */ 00255 /*! 00256 * \param flag string form of flag 00257 * Converts the string form of the flag to the binary form. 00258 * Returns the binary form of the flag 00259 */ 00260 int ast_cdr_amaflags2int(const char *flag); 00261 00262 /*! Disposition to a string */ 00263 /*! 00264 * \param disposition input binary form 00265 * Converts the binary form of a disposition to string form. 00266 * Returns a pointer to the string form 00267 */ 00268 char *ast_cdr_disp2str(int disposition); 00269 00270 /*! Reset the detail record, optionally posting it first */ 00271 /*! 00272 * \param cdr which cdr to act upon 00273 * \param flags |AST_CDR_FLAG_POSTED whether or not to post the cdr first before resetting it 00274 * |AST_CDR_FLAG_LOCKED whether or not to reset locked CDR's 00275 */ 00276 void ast_cdr_reset(struct ast_cdr *cdr, struct ast_flags *flags); 00277 00278 /*! Flags to a string */ 00279 /*! 00280 * \param flags binary flag 00281 * Converts binary flags to string flags 00282 * Returns string with flag name 00283 */ 00284 char *ast_cdr_flags2str(int flags); 00285 00286 /*! Move the non-null data from the "from" cdr to the "to" cdr 00287 * \param to the cdr to get the goodies 00288 * \param from the cdr to give the goodies 00289 */ 00290 void ast_cdr_merge(struct ast_cdr *to, struct ast_cdr *from); 00291 00292 int ast_cdr_setaccount(struct ast_channel *chan, const char *account); 00293 int ast_cdr_setamaflags(struct ast_channel *chan, const char *amaflags); 00294 00295 00296 int ast_cdr_setuserfield(struct ast_channel *chan, const char *userfield); 00297 int ast_cdr_appenduserfield(struct ast_channel *chan, const char *userfield); 00298 00299 00300 /* Update CDR on a channel */ 00301 int ast_cdr_update(struct ast_channel *chan); 00302 00303 00304 extern int ast_default_amaflags; 00305 00306 extern char ast_default_accountcode[AST_MAX_ACCOUNT_CODE]; 00307 00308 struct ast_cdr *ast_cdr_append(struct ast_cdr *cdr, struct ast_cdr *newcdr); 00309 00310 /*! Reload the configuration file cdr.conf and start/stop CDR scheduling thread */ 00311 int ast_cdr_engine_reload(void); 00312 00313 /*! Load the configuration file cdr.conf and possibly start the CDR scheduling thread */ 00314 int ast_cdr_engine_init(void); 00315 00316 /*! Submit any remaining CDRs and prepare for shutdown */ 00317 void ast_cdr_engine_term(void); 00318 00319 #endif /* _ASTERISK_CDR_H */