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Asterisk developer's documentation


misdn_config.c

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  * 
00004  * Copyright (C) 2005, Christian Richter
00005  *
00006  * Christian Richter <crich@beronet.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 
00020 /*!
00021  * \file
00022  *
00023  * \brief chan_misdn configuration management
00024  * \author Christian Richter <crich@beronet.com>
00025  *
00026  * \ingroup channel_drivers
00027  */
00028 
00029 #include "asterisk.h"
00030 
00031 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 89169 $")
00032 
00033 #include <stdlib.h>
00034 #include <stdio.h>
00035 #include <string.h>
00036 #include <errno.h>
00037 
00038 #include "chan_misdn_config.h"
00039 
00040 #include "asterisk/config.h"
00041 #include "asterisk/channel.h"
00042 #include "asterisk/logger.h"
00043 #include "asterisk/lock.h"
00044 #include "asterisk/pbx.h"
00045 #include "asterisk/strings.h"
00046 #include "asterisk/utils.h"
00047 
00048 #define AST_LOAD_CFG ast_config_load
00049 #define AST_DESTROY_CFG ast_config_destroy
00050 
00051 #define NO_DEFAULT "<>"
00052 #define NONE 0
00053 
00054 #define GEN_CFG 1
00055 #define PORT_CFG 2
00056 #define NUM_GEN_ELEMENTS (sizeof(gen_spec) / sizeof(struct misdn_cfg_spec))
00057 #define NUM_PORT_ELEMENTS (sizeof(port_spec) / sizeof(struct misdn_cfg_spec))
00058 
00059 enum misdn_cfg_type {
00060    MISDN_CTYPE_STR,
00061    MISDN_CTYPE_INT,
00062    MISDN_CTYPE_BOOL,
00063    MISDN_CTYPE_BOOLINT,
00064    MISDN_CTYPE_MSNLIST,
00065    MISDN_CTYPE_ASTGROUP
00066 };
00067 
00068 struct msn_list {
00069    char *msn;
00070    struct msn_list *next;
00071 };
00072 
00073 union misdn_cfg_pt {
00074    char *str;
00075    int *num;
00076    struct msn_list *ml;
00077    ast_group_t *grp;
00078    void *any;
00079 };
00080 
00081 struct misdn_cfg_spec {
00082    char name[BUFFERSIZE];
00083    enum misdn_cfg_elements elem;
00084    enum misdn_cfg_type type;
00085    char def[BUFFERSIZE];
00086    int boolint_def;
00087    char desc[BUFFERSIZE];
00088 };
00089 
00090 
00091 static const char ports_description[] =
00092    "Define your ports, e.g. 1,2 (depends on mISDN-driver loading order).";
00093 
00094 static const struct misdn_cfg_spec port_spec[] = {
00095    { "name", MISDN_CFG_GROUPNAME, MISDN_CTYPE_STR, "default", NONE,
00096       "Name of the portgroup." },
00097    { "allowed_bearers", MISDN_CFG_ALLOWED_BEARERS, MISDN_CTYPE_STR, "all", NONE,
00098       "Here you can define which bearers should be allowed." },
00099    { "rxgain", MISDN_CFG_RXGAIN, MISDN_CTYPE_INT, "0", NONE,
00100       "Set this between -8 and 8 to change the RX Gain." },
00101    { "txgain", MISDN_CFG_TXGAIN, MISDN_CTYPE_INT, "0", NONE,
00102       "Set this between -8 and 8 to change the TX Gain." },
00103    { "te_choose_channel", MISDN_CFG_TE_CHOOSE_CHANNEL, MISDN_CTYPE_BOOL, "no", NONE,
00104       "Some telcos espacially in NL seem to need this set to yes,\n"
00105       "\talso in switzerland this seems to be important." },
00106    { "far_alerting", MISDN_CFG_FAR_ALERTING, MISDN_CTYPE_BOOL, "no", NONE,
00107       "If we should generate ringing for chan_sip and others." },
00108    { "pmp_l1_check", MISDN_CFG_PMP_L1_CHECK, MISDN_CTYPE_BOOL, "no", NONE,
00109       "This option defines, if chan_misdn should check the L1 on a PMP\n"
00110       "\tbefore makeing a group call on it. The L1 may go down for PMP Ports\n"
00111       "\tso we might need this.\n"
00112       "\tBut be aware! a broken or plugged off cable might be used for a group call\n"
00113       "\tas well, since chan_misdn has no chance to distinguish if the L1 is down\n"
00114       "\tbecause of a lost Link or because the Provider shut it down..." },
00115    { "block_on_alarm", MISDN_CFG_ALARM_BLOCK, MISDN_CTYPE_BOOL, "no", NONE ,
00116      "Block this port if we have an alarm on it."
00117      "default: yes\n" },
00118    { "hdlc", MISDN_CFG_HDLC, MISDN_CTYPE_BOOL, "no", NONE,
00119       "Set this to yes, if you want to bridge a mISDN data channel to\n"
00120       "\tanother channel type or to an application." },
00121    { "context", MISDN_CFG_CONTEXT, MISDN_CTYPE_STR, "default", NONE,
00122       "Context to use for incoming calls." },
00123    { "language", MISDN_CFG_LANGUAGE, MISDN_CTYPE_STR, "en", NONE,
00124       "Language." },
00125    { "musicclass", MISDN_CFG_MUSICCLASS, MISDN_CTYPE_STR, "default", NONE,
00126       "Sets the musiconhold class." },
00127    { "callerid", MISDN_CFG_CALLERID, MISDN_CTYPE_STR, "", NONE,
00128       "Sets the caller ID." },
00129    { "method", MISDN_CFG_METHOD, MISDN_CTYPE_STR, "standard", NONE,
00130       "Sets the method to use for channel selection:\n"
00131       "\t  standard    - always choose the first free channel with the lowest number\n"
00132       "\t  round_robin - use the round robin algorithm to select a channel. use this\n"
00133       "\t                if you want to balance your load." },
00134    { "dialplan", MISDN_CFG_DIALPLAN, MISDN_CTYPE_INT, "0", NONE,
00135       "Dialplan means Type Of Number in ISDN Terms (for outgoing calls)\n"
00136       "\n"
00137       "\tThere are different types of the dialplan:\n"
00138       "\n"
00139       "\tdialplan -> outgoing Number\n"
00140       "\tlocaldialplan -> callerid\n"
00141       "\tcpndialplan -> connected party number\n"
00142       "\n"
00143       "\tdialplan options:\n"
00144       "\n"
00145       "\t0 - unknown\n"
00146       "\t1 - International\n"
00147       "\t2 - National\n"
00148       "\t4 - Subscriber\n"
00149       "\n"
00150       "\tThis setting is used for outgoing calls." },
00151    { "localdialplan", MISDN_CFG_LOCALDIALPLAN, MISDN_CTYPE_INT, "0", NONE,
00152       "Dialplan means Type Of Number in ISDN Terms (for outgoing calls)\n"
00153       "\n"
00154       "\tThere are different types of the dialplan:\n"
00155       "\n"
00156       "\tdialplan -> outgoing Number\n"
00157       "\tlocaldialplan -> callerid\n"
00158       "\tcpndialplan -> connected party number\n"
00159       "\n"
00160       "\tdialplan options:\n"
00161       "\n"
00162       "\t0 - unknown\n"
00163       "\t1 - International\n"
00164       "\t2 - National\n"
00165       "\t4 - Subscriber\n"
00166       "\n"
00167       "\tThis setting is used for outgoing calls" },
00168    { "cpndialplan", MISDN_CFG_CPNDIALPLAN, MISDN_CTYPE_INT, "0", NONE,
00169       "Dialplan means Type Of Number in ISDN Terms (for outgoing calls)\n"
00170       "\n"
00171       "\tThere are different types of the dialplan:\n"
00172       "\n"
00173       "\tdialplan -> outgoing Number\n"
00174       "\tlocaldialplan -> callerid\n"
00175       "\tcpndialplan -> connected party number\n"
00176       "\n"
00177       "\tdialplan options:\n"
00178       "\n"
00179       "\t0 - unknown\n"
00180       "\t1 - International\n"
00181       "\t2 - National\n"
00182       "\t4 - Subscriber\n"
00183       "\n"
00184       "\tThis setting is used for outgoing calls." },
00185    { "nationalprefix", MISDN_CFG_NATPREFIX, MISDN_CTYPE_STR, "0", NONE,
00186       "Prefix for national, this is put before the\n"
00187       "\toad if an according dialplan is set by the other end." },
00188    { "internationalprefix", MISDN_CFG_INTERNATPREFIX, MISDN_CTYPE_STR, "00", NONE,
00189       "Prefix for international, this is put before the\n"
00190       "\toad if an according dialplan is set by the other end." },
00191    { "presentation", MISDN_CFG_PRES, MISDN_CTYPE_INT, "-1", NONE,
00192       "These (presentation and screen) are the exact isdn screening and presentation\n"
00193       "\tindicators.\n"
00194       "\tIf -1 is given for both values, the presentation indicators are used from\n"
00195       "\tAsterisks SetCallerPres application.\n"
00196       "\n"
00197       "\tscreen=0, presentation=0 -> callerid presented not screened\n"
00198       "\tscreen=1, presentation=1 -> callerid presented but screened (the remote end doesn't see it!)" },
00199    { "screen", MISDN_CFG_SCREEN, MISDN_CTYPE_INT, "-1", NONE,
00200       "These (presentation and screen) are the exact isdn screening and presentation\n"
00201       "\tindicators.\n"
00202       "\tIf -1 is given for both values, the presentation indicators are used from\n"
00203       "\tAsterisks SetCallerPres application.\n"
00204       "\n"
00205       "\tscreen=0, presentation=0 -> callerid presented not screened\n"
00206       "\tscreen=1, presentation=1 -> callerid presented but screened (the remote end doesn't see it!)" },
00207    { "always_immediate", MISDN_CFG_ALWAYS_IMMEDIATE, MISDN_CTYPE_BOOL, "no", NONE,
00208       "Enable this to get into the s dialplan-extension.\n"
00209       "\tThere you can use DigitTimeout if you can't or don't want to use\n"
00210       "\tisdn overlap dial.\n"
00211       "\tNOTE: This will jump into the s extension for every exten!" },
00212    { "nodialtone", MISDN_CFG_NODIALTONE, MISDN_CTYPE_BOOL, "no", NONE,
00213       "Enable this to prevent chan_misdn to generate the dialtone\n"
00214       "\tThis makes only sense together with the always_immediate=yes option\n"
00215       "\tto generate your own dialtone with Playtones or so."},
00216    { "immediate", MISDN_CFG_IMMEDIATE, MISDN_CTYPE_BOOL, "no", NONE,
00217       "Enable this if you want callers which called exactly the base\n"
00218       "\tnumber (so no extension is set) to jump into the s extension.\n"
00219       "\tIf the user dials something more, it jumps to the correct extension\n"
00220       "\tinstead." },
00221    { "senddtmf", MISDN_CFG_SENDDTMF, MISDN_CTYPE_BOOL, "no", NONE,
00222       "Enable this if we should produce DTMF Tones ourselves." },
00223    { "astdtmf", MISDN_CFG_ASTDTMF, MISDN_CTYPE_BOOL, "no", NONE,
00224       "Enable this if you want to use the Asterisk dtmf detector\n"
00225       "instead of the mISDN_dsp/hfcmulti one."
00226       },
00227    { "hold_allowed", MISDN_CFG_HOLD_ALLOWED, MISDN_CTYPE_BOOL, "no", NONE,
00228       "Enable this to have support for hold and retrieve." },
00229    { "early_bconnect", MISDN_CFG_EARLY_BCONNECT, MISDN_CTYPE_BOOL, "yes", NONE,
00230       "Disable this if you don't mind correct handling of Progress Indicators." },
00231    { "incoming_early_audio", MISDN_CFG_INCOMING_EARLY_AUDIO, MISDN_CTYPE_BOOL, "no", NONE,
00232       "Turn this on if you like to send Tone Indications to a Incoming\n"
00233       "\tisdn channel on a TE Port. Rarely used, only if the Telco allows\n"
00234       "\tyou to send indications by yourself, normally the Telco sends the\n"
00235       "\tindications to the remote party." },
00236    { "echocancel", MISDN_CFG_ECHOCANCEL, MISDN_CTYPE_BOOLINT, "0", 128,
00237       "This enables echocancellation, with the given number of taps.\n"
00238       "\tBe aware, move this setting only to outgoing portgroups!\n"
00239       "\tA value of zero turns echocancellation off.\n"
00240       "\n"
00241       "\tPossible values are: 0,32,64,128,256,yes(=128),no(=0)" },
00242 #ifdef MISDN_1_2
00243    { "pipeline", MISDN_CFG_PIPELINE, MISDN_CTYPE_STR, NO_DEFAULT, NONE,
00244       "Set the configuration string for the mISDN dsp pipeline.\n"
00245       "\n"
00246       "\tExample for enabling the mg2 echo cancellation module with deftaps\n"
00247       "\tset to 128:\n"
00248       "\t\tmg2ec(deftaps=128)" },
00249 #endif
00250 #ifdef WITH_BEROEC
00251    { "bnechocancel", MISDN_CFG_BNECHOCANCEL, MISDN_CTYPE_BOOLINT, "yes", 64,
00252       "echotail in ms (1-200)\n"},
00253    { "bnec_antihowl", MISDN_CFG_BNEC_ANTIHOWL, MISDN_CTYPE_INT, "0", NONE,
00254       "Use antihowl\n"},
00255    { "bnec_nlp", MISDN_CFG_BNEC_NLP, MISDN_CTYPE_BOOL, "yes", NONE,
00256       "Nonlinear Processing (much faster adaption)"},
00257    { "bnec_zerocoeff", MISDN_CFG_BNEC_ZEROCOEFF, MISDN_CTYPE_BOOL, "no", NONE,
00258       "ZeroCoeffeciens\n"},
00259    { "bnec_tonedisabler", MISDN_CFG_BNEC_TD, MISDN_CTYPE_BOOL, "no", NONE,
00260       "Disable Tone\n"},
00261    { "bnec_adaption", MISDN_CFG_BNEC_ADAPT, MISDN_CTYPE_INT, "1", NONE,
00262       "Adaption mode (0=no,1=full,2=fast)\n"},
00263 #endif
00264    { "need_more_infos", MISDN_CFG_NEED_MORE_INFOS, MISDN_CTYPE_BOOL, "0", NONE,
00265       "Send Setup_Acknowledge on incoming calls anyway (instead of PROCEEDING),\n"
00266       "\tthis requests additional Infos, so we can waitfordigits without much\n"
00267       "\tissues. This works only for PTP Ports" },
00268    { "noautorespond_on_setup", MISDN_CFG_NOAUTORESPOND_ON_SETUP, MISDN_CTYPE_BOOL, "0", NONE,
00269       "Do not send SETUP_ACKNOWLEDGE or PROCEEDING automatically to the calling Party.\n"
00270       "Instead we directly jump into the dialplan. This might be useful for fast call\n"
00271       "rejection, or for some broken switches, that need hangup causes like busy in the.\n"
00272       "RELEASE_COMPLETE Message, instead of the DISCONNECT Message.\n"},
00273    { "jitterbuffer", MISDN_CFG_JITTERBUFFER, MISDN_CTYPE_INT, "4000", NONE,
00274       "The jitterbuffer." },
00275    { "jitterbuffer_upper_threshold", MISDN_CFG_JITTERBUFFER_UPPER_THRESHOLD, MISDN_CTYPE_INT, "0", NONE,
00276       "Change this threshold to enable dejitter functionality." },
00277    { "callgroup", MISDN_CFG_CALLGROUP, MISDN_CTYPE_ASTGROUP, NO_DEFAULT, NONE,
00278       "Callgroup." },
00279    { "pickupgroup", MISDN_CFG_PICKUPGROUP, MISDN_CTYPE_ASTGROUP, NO_DEFAULT, NONE,
00280       "Pickupgroup." },
00281    { "max_incoming", MISDN_CFG_MAX_IN, MISDN_CTYPE_INT, "-1", NONE,
00282       "Defines the maximum amount of incoming calls per port for this group.\n"
00283       "\tCalls which exceed the maximum will be marked with the channel varible\n"
00284       "\tMAX_OVERFLOW. It will contain the amount of overflowed calls" },
00285    { "max_outgoing", MISDN_CFG_MAX_OUT, MISDN_CTYPE_INT, "-1", NONE,
00286       "Defines the maximum amount of outgoing calls per port for this group\n"
00287       "\texceeding calls will be rejected" },
00288 
00289    { "reject_cause", MISDN_CFG_REJECT_CAUSE, MISDN_CTYPE_INT, "21", NONE,
00290       "Defines the cause with which a 3. call is rejected on PTMP BRI."},
00291    { "faxdetect", MISDN_CFG_FAXDETECT, MISDN_CTYPE_STR, "no", NONE,
00292       "Setup fax detection:\n"
00293       "\t    no        - no fax detection\n"
00294       "\t    incoming  - fax detection for incoming calls\n"
00295       "\t    outgoing  - fax detection for outgoing calls\n"
00296       "\t    both      - fax detection for incoming and outgoing calls\n"
00297       "\tAdd +nojump to your value (i.e. faxdetect=both+nojump) if you don't want to jump into the\n"
00298       "\tfax-extension but still want to detect the fax and prepare the channel for fax transfer." },
00299    { "faxdetect_timeout", MISDN_CFG_FAXDETECT_TIMEOUT, MISDN_CTYPE_INT, "5", NONE,
00300       "Number of seconds the fax detection should do its job. After the given period of time,\n"
00301       "\twe assume that it's not a fax call and save some CPU time by turning off fax detection.\n"
00302       "\tSet this to 0 if you don't want a timeout (never stop detecting)." },
00303    { "faxdetect_context", MISDN_CFG_FAXDETECT_CONTEXT, MISDN_CTYPE_STR, NO_DEFAULT, NONE,
00304       "Context to jump into if we detect a fax. Don't set this if you want to stay in the current context." },
00305    { "l1watcher_timeout", MISDN_CFG_L1_TIMEOUT, MISDN_CTYPE_BOOLINT, "0", 4,
00306       "Watches the layer 1. If the layer 1 is down, it tries to\n"
00307       "\tget it up. The timeout is given in seconds. with 0 as value it\n"
00308       "\tdoes not watch the l1 at all\n"
00309       "\n"
00310       "\tThis option is only read at loading time of chan_misdn, which\n"
00311       "\tmeans you need to unload and load chan_misdn to change the value,\n"
00312       "\tan Asterisk restart should do the trick." },
00313    { "overlapdial", MISDN_CFG_OVERLAP_DIAL, MISDN_CTYPE_BOOLINT, "0", 4,
00314       "Enables overlap dial for the given amount of seconds.\n"
00315       "\tPossible values are positive integers or:\n"
00316       "\t   yes (= 4 seconds)\n"
00317       "\t   no  (= 0 seconds = disabled)" },
00318    { "nttimeout", MISDN_CFG_NTTIMEOUT, MISDN_CTYPE_BOOL, "no", NONE ,
00319       "Set this to yes if you want calls disconnected in overlap mode" 
00320       "when a timeout happens.\n"},
00321    { "bridging", MISDN_CFG_BRIDGING, MISDN_CTYPE_BOOL, "yes", NONE,
00322       "Set this to yes/no, default is yes.\n"
00323       "This can be used to have bridging enabled in general and to\n"
00324       "disable it for specific ports. It makes sense to disable\n"
00325       "bridging on NT Port where you plan to use the HOLD/RETRIEVE\n"
00326       "features with ISDN phones.\n"
00327       },
00328    { "msns", MISDN_CFG_MSNS, MISDN_CTYPE_MSNLIST, "*", NONE,
00329       "MSN's for TE ports, listen on those numbers on the above ports, and\n"
00330       "\tindicate the incoming calls to Asterisk.\n"
00331       "\tHere you can give a comma seperated list, or simply an '*' for any msn." },
00332 };
00333 
00334 static const struct misdn_cfg_spec gen_spec[] = {
00335    { "debug", MISDN_GEN_DEBUG, MISDN_CTYPE_INT, "0", NONE,
00336       "Sets the debugging flag:\n"
00337       "\t0 - No Debug\n"
00338       "\t1 - mISDN Messages and * - Messages, and * - State changes\n"
00339       "\t2 - Messages + Message specific Informations (e.g. bearer capability)\n"
00340       "\t3 - very Verbose, the above + lots of Driver specific infos\n"
00341       "\t4 - even more Verbose than 3" },
00342 #ifndef MISDN_1_2
00343    { "misdn_init", MISDN_GEN_MISDN_INIT, MISDN_CTYPE_STR, "/etc/misdn-init.conf", NONE,
00344       "Set the path to the misdn-init.conf (for nt_ptp mode checking)." },
00345 #endif
00346    { "tracefile", MISDN_GEN_TRACEFILE, MISDN_CTYPE_STR, "/var/log/asterisk/misdn.log", NONE,
00347       "Set the path to the massively growing trace file, if you want that." },
00348    { "bridging", MISDN_GEN_BRIDGING, MISDN_CTYPE_BOOL, "yes", NONE,
00349       "Set this to yes if you want mISDN_dsp to bridge the calls in HW." },
00350    { "stop_tone_after_first_digit", MISDN_GEN_STOP_TONE, MISDN_CTYPE_BOOL, "yes", NONE,
00351       "Stops dialtone after getting first digit on NT Port." },
00352    { "append_digits2exten", MISDN_GEN_APPEND_DIGITS2EXTEN, MISDN_CTYPE_BOOL, "yes", NONE,
00353       "Wether to append overlapdialed Digits to Extension or not." },
00354    { "dynamic_crypt", MISDN_GEN_DYNAMIC_CRYPT, MISDN_CTYPE_BOOL, "no", NONE,
00355       "Wether to look out for dynamic crypting attempts." },
00356    { "crypt_prefix", MISDN_GEN_CRYPT_PREFIX, MISDN_CTYPE_STR, NO_DEFAULT, NONE,
00357       "What is used for crypting Protocol." },
00358    { "crypt_keys", MISDN_GEN_CRYPT_KEYS, MISDN_CTYPE_STR, NO_DEFAULT, NONE,
00359       "Keys for cryption, you reference them in the dialplan\n"
00360       "\tLater also in dynamic encr." },
00361    { "ntkeepcalls", MISDN_GEN_NTKEEPCALLS, MISDN_CTYPE_BOOL, "no", NONE, 
00362       "avoid dropping calls if the L2 goes down. some nortel pbx\n" 
00363       "do put down the L2/L1 for some milliseconds even if there\n"
00364       "are running calls. with this option you can avoid dropping them\n" },
00365    { "ntdebugflags", MISDN_GEN_NTDEBUGFLAGS, MISDN_CTYPE_INT, "0", NONE,
00366       "No description yet."},
00367    { "ntdebugfile", MISDN_GEN_NTDEBUGFILE, MISDN_CTYPE_STR, "/var/log/misdn-nt.log", NONE,
00368       "No description yet." }
00369 };
00370 
00371 
00372 /* array of port configs, default is at position 0. */
00373 static union misdn_cfg_pt **port_cfg;
00374 /* max number of available ports, is set on init */
00375 static int max_ports;
00376 /* general config */
00377 static union misdn_cfg_pt *general_cfg;
00378 /* storing the ptp flag separated to save memory */
00379 static int *ptp;
00380 /* maps enum config elements to array positions */
00381 static int *map;
00382 
00383 static ast_mutex_t config_mutex; 
00384 
00385 #define CLI_ERROR(name, value, section) ({ \
00386    ast_log(LOG_WARNING, "misdn.conf: \"%s=%s\" (section: %s) invalid or out of range. " \
00387       "Please edit your misdn.conf and then do a \"misdn reload\".\n", name, value, section); \
00388 })
00389 
00390 static int _enum_array_map (void)
00391 {
00392    int i, j, ok;
00393 
00394    for (i = MISDN_CFG_FIRST + 1; i < MISDN_CFG_LAST; ++i) {
00395       if (i == MISDN_CFG_PTP)
00396          continue;
00397       ok = 0;
00398       for (j = 0; j < NUM_PORT_ELEMENTS; ++j) {
00399          if (port_spec[j].elem == i) {
00400             map[i] = j;
00401             ok = 1;
00402             break;
00403          }
00404       }
00405       if (!ok) {
00406          ast_log(LOG_WARNING, "Enum element %d in misdn_cfg_elements (port section) has no corresponding element in the config struct!\n", i);
00407          return -1;
00408       }
00409    }
00410    for (i = MISDN_GEN_FIRST + 1; i < MISDN_GEN_LAST; ++i) {
00411       ok = 0;
00412       for (j = 0; j < NUM_GEN_ELEMENTS; ++j) {
00413          if (gen_spec[j].elem == i) {
00414             map[i] = j;
00415             ok = 1;
00416             break;
00417          }
00418       }
00419       if (!ok) {
00420          ast_log(LOG_WARNING, "Enum element %d in misdn_cfg_elements (general section) has no corresponding element in the config struct!\n", i);
00421          return -1;
00422       }
00423    }
00424    return 0;
00425 }
00426 
00427 static int get_cfg_position (char *name, int type)
00428 {
00429    int i;
00430 
00431    switch (type) {
00432    case PORT_CFG:
00433       for (i = 0; i < NUM_PORT_ELEMENTS; ++i) {
00434          if (!strcasecmp(name, port_spec[i].name))
00435             return i;
00436       }
00437       break;
00438    case GEN_CFG:
00439       for (i = 0; i < NUM_GEN_ELEMENTS; ++i) {
00440          if (!strcasecmp(name, gen_spec[i].name))
00441             return i;
00442       }
00443    }
00444 
00445    return -1;
00446 }
00447 
00448 static inline void misdn_cfg_lock (void)
00449 {
00450    ast_mutex_lock(&config_mutex);
00451 }
00452 
00453 static inline void misdn_cfg_unlock (void)
00454 {
00455    ast_mutex_unlock(&config_mutex);
00456 }
00457 
00458 static void _free_msn_list (struct msn_list* iter)
00459 {
00460    if (iter->next)
00461       _free_msn_list(iter->next);
00462    if (iter->msn)
00463       free(iter->msn);
00464    free(iter);
00465 }
00466 
00467 static void _free_port_cfg (void)
00468 {
00469    int i, j;
00470    int gn = map[MISDN_CFG_GROUPNAME];
00471    union misdn_cfg_pt* free_list[max_ports + 2];
00472    
00473    memset(free_list, 0, sizeof(free_list));
00474    free_list[0] = port_cfg[0];
00475    for (i = 1; i <= max_ports; ++i) {
00476       if (port_cfg[i][gn].str) {
00477          /* we always have a groupname in the non-default case, so this is fine */
00478          for (j = 1; j <= max_ports; ++j) {
00479             if (free_list[j] && free_list[j][gn].str == port_cfg[i][gn].str)
00480                break;
00481             else if (!free_list[j]) {
00482                free_list[j] = port_cfg[i];
00483                break;
00484             }
00485          }
00486       }
00487    }
00488    for (j = 0; free_list[j]; ++j) {
00489       for (i = 0; i < NUM_PORT_ELEMENTS; ++i) {
00490          if (free_list[j][i].any) {
00491             if (port_spec[i].type == MISDN_CTYPE_MSNLIST)
00492                _free_msn_list(free_list[j][i].ml);
00493             else
00494                free(free_list[j][i].any);
00495          }
00496       }
00497    }
00498 }
00499 
00500 static void _free_general_cfg (void)
00501 {
00502    int i;
00503 
00504    for (i = 0; i < NUM_GEN_ELEMENTS; i++) 
00505       if (general_cfg[i].any)
00506          free(general_cfg[i].any);
00507 }
00508 
00509 void misdn_cfg_get (int port, enum misdn_cfg_elements elem, void *buf, int bufsize)
00510 {
00511    int place;
00512 
00513    if ((elem < MISDN_CFG_LAST) && !misdn_cfg_is_port_valid(port)) {
00514       memset(buf, 0, bufsize);
00515       ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get! Port number %d is not valid.\n", port);
00516       return;
00517    }
00518 
00519    misdn_cfg_lock();
00520    if (elem == MISDN_CFG_PTP) {
00521       if (!memcpy(buf, &ptp[port], (bufsize > ptp[port]) ? sizeof(ptp[port]) : bufsize))
00522          memset(buf, 0, bufsize);
00523    } else {
00524       if ((place = map[elem]) < 0) {
00525          memset (buf, 0, bufsize);
00526          ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get! Invalid element (%d) requested.\n", elem);
00527       } else {
00528          if (elem < MISDN_CFG_LAST) {
00529             switch (port_spec[place].type) {
00530             case MISDN_CTYPE_STR:
00531                if (port_cfg[port][place].str) {
00532                   if (!memccpy(buf, port_cfg[port][place].str, 0, bufsize))
00533                      memset(buf, 0, 1);
00534                } else if (port_cfg[0][place].str) {
00535                   if (!memccpy(buf, port_cfg[0][place].str, 0, bufsize))
00536                      memset(buf, 0, 1);
00537                }
00538                break;
00539             default:
00540                if (port_cfg[port][place].any)
00541                   memcpy(buf, port_cfg[port][place].any, bufsize);
00542                else if (port_cfg[0][place].any)
00543                   memcpy(buf, port_cfg[0][place].any, bufsize);
00544                else
00545                   memset(buf, 0, bufsize);
00546             }
00547          } else {
00548             switch (gen_spec[place].type) {
00549             case MISDN_CTYPE_STR:
00550                if (!general_cfg[place].str || !memccpy(buf, general_cfg[place].str, 0, bufsize))
00551                   memset(buf, 0, 1);
00552                break;
00553             default:
00554                if (general_cfg[place].any)
00555                   memcpy(buf, general_cfg[place].any, bufsize);
00556                else
00557                   memset(buf, 0, bufsize);
00558             }
00559          }
00560       }
00561    }
00562    misdn_cfg_unlock();
00563 }
00564 
00565 enum misdn_cfg_elements misdn_cfg_get_elem (char *name)
00566 {
00567    int pos;
00568 
00569    /* here comes a hack to replace the (not existing) "name" elemet with the "ports" element */
00570    if (!strcmp(name, "ports"))
00571       return MISDN_CFG_GROUPNAME;
00572    if (!strcmp(name, "name"))
00573       return MISDN_CFG_FIRST;
00574 
00575    pos = get_cfg_position (name, PORT_CFG);
00576    if (pos >= 0)
00577       return port_spec[pos].elem;
00578    
00579    pos = get_cfg_position (name, GEN_CFG);
00580    if (pos >= 0)
00581       return gen_spec[pos].elem;
00582    
00583    return MISDN_CFG_FIRST;
00584 }
00585 
00586 void misdn_cfg_get_name (enum misdn_cfg_elements elem, void *buf, int bufsize)
00587 {
00588    struct misdn_cfg_spec *spec = NULL;
00589    int place = map[elem];
00590 
00591    /* the ptp hack */
00592    if (elem == MISDN_CFG_PTP) {
00593       memset(buf, 0, 1);
00594       return;
00595    }
00596    
00597    /* here comes a hack to replace the (not existing) "name" elemet with the "ports" element */
00598    if (elem == MISDN_CFG_GROUPNAME) {
00599       if (!snprintf(buf, bufsize, "ports"))
00600          memset(buf, 0, 1);
00601       return;
00602    }
00603    
00604    if ((elem > MISDN_CFG_FIRST) && (elem < MISDN_CFG_LAST))
00605       spec = (struct misdn_cfg_spec *)port_spec;
00606    else if ((elem > MISDN_GEN_FIRST) && (elem < MISDN_GEN_LAST))
00607       spec = (struct misdn_cfg_spec *)gen_spec;
00608 
00609    if (!spec || !memccpy(buf, spec[place].name, 0, bufsize))
00610       memset(buf, 0, 1);
00611 }
00612 
00613 void misdn_cfg_get_desc (enum misdn_cfg_elements elem, void *buf, int bufsize, void *buf_default, int bufsize_default)
00614 {
00615    int place = map[elem];
00616    struct misdn_cfg_spec *spec = NULL;
00617 
00618    /* here comes a hack to replace the (not existing) "name" elemet with the "ports" element */
00619    if (elem == MISDN_CFG_GROUPNAME) {
00620       if (!memccpy(buf, ports_description, 0, bufsize))
00621          memset(buf, 0, 1);
00622       if (buf_default && bufsize_default)
00623          memset(buf_default, 0, 1);
00624       return;
00625    }
00626 
00627    if ((elem > MISDN_CFG_FIRST) && (elem < MISDN_CFG_LAST))
00628       spec = (struct misdn_cfg_spec *)port_spec;
00629    else if ((elem > MISDN_GEN_FIRST) && (elem < MISDN_GEN_LAST))
00630       spec = (struct misdn_cfg_spec *)gen_spec;
00631       
00632    if (!spec || !spec[place].desc)
00633       memset(buf, 0, 1);
00634    else {
00635       if (!memccpy(buf, spec[place].desc, 0, bufsize))
00636          memset(buf, 0, 1);
00637       if (buf_default && bufsize) {
00638          if (!strcmp(spec[place].def, NO_DEFAULT))
00639             memset(buf_default, 0, 1);
00640          else if (!memccpy(buf_default, spec[place].def, 0, bufsize_default))
00641             memset(buf_default, 0, 1);
00642       }
00643    }
00644 }
00645 
00646 int misdn_cfg_is_msn_valid (int port, char* msn)
00647 {
00648    int re = 0;
00649    struct msn_list *iter;
00650 
00651    if (!misdn_cfg_is_port_valid(port)) {
00652       ast_log(LOG_WARNING, "Invalid call to misdn_cfg_is_msn_valid! Port number %d is not valid.\n", port);
00653       return 0;
00654    }
00655 
00656    misdn_cfg_lock();
00657    if (port_cfg[port][map[MISDN_CFG_MSNS]].ml)
00658       iter = port_cfg[port][map[MISDN_CFG_MSNS]].ml;
00659    else
00660       iter = port_cfg[0][map[MISDN_CFG_MSNS]].ml;
00661    for (; iter; iter = iter->next) 
00662       if (*(iter->msn) == '*' || ast_extension_match(iter->msn, msn)) {
00663          re = 1;
00664          break;
00665       }
00666    misdn_cfg_unlock();
00667 
00668    return re;
00669 }
00670 
00671 int misdn_cfg_is_port_valid (int port)
00672 {
00673    int gn = map[MISDN_CFG_GROUPNAME];
00674 
00675    return (port >= 1 && port <= max_ports && port_cfg[port][gn].str);
00676 }
00677 
00678 int misdn_cfg_is_group_method (char *group, enum misdn_cfg_method meth)
00679 {
00680    int i, re = 0;
00681    char *method ;
00682 
00683    misdn_cfg_lock();
00684 
00685    method = port_cfg[0][map[MISDN_CFG_METHOD]].str;
00686 
00687    for (i = 1; i <= max_ports; i++) {
00688       if (port_cfg[i] && port_cfg[i][map[MISDN_CFG_GROUPNAME]].str) {
00689          if (!strcasecmp(port_cfg[i][map[MISDN_CFG_GROUPNAME]].str, group))
00690             method = (port_cfg[i][map[MISDN_CFG_METHOD]].str ? 
00691                     port_cfg[i][map[MISDN_CFG_METHOD]].str : port_cfg[0][map[MISDN_CFG_METHOD]].str);
00692       }
00693    }
00694 
00695    if (method) {
00696       switch (meth) {
00697       case METHOD_STANDARD:      re = !strcasecmp(method, "standard");
00698                            break;
00699       case METHOD_ROUND_ROBIN:   re = !strcasecmp(method, "round_robin");
00700                            break;
00701       case METHOD_STANDARD_DEC:  re = !strcasecmp(method, "standard_dec");
00702                            break;
00703       }
00704    }
00705    misdn_cfg_unlock();
00706 
00707    return re;
00708 }
00709 
00710 void misdn_cfg_get_ports_string (char *ports)
00711 {
00712    char tmp[16];
00713    int l, i;
00714    int gn = map[MISDN_CFG_GROUPNAME];
00715 
00716    *ports = 0;
00717 
00718    misdn_cfg_lock();
00719    for (i = 1; i <= max_ports; i++) {
00720       if (port_cfg[i][gn].str) {
00721          if (ptp[i])
00722             sprintf(tmp, "%dptp,", i);
00723          else
00724             sprintf(tmp, "%d,", i);
00725          strcat(ports, tmp);
00726       }
00727    }
00728    misdn_cfg_unlock();
00729 
00730    if ((l = strlen(ports)))
00731       ports[l-1] = 0;
00732 }
00733 
00734 void misdn_cfg_get_config_string (int port, enum misdn_cfg_elements elem, char* buf, int bufsize)
00735 {
00736    int place;
00737    char tempbuf[BUFFERSIZE] = "";
00738    struct msn_list *iter;
00739 
00740    if ((elem < MISDN_CFG_LAST) && !misdn_cfg_is_port_valid(port)) {
00741       *buf = 0;
00742       ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get_config_string! Port number %d is not valid.\n", port);
00743       return;
00744    }
00745 
00746    place = map[elem];
00747 
00748    misdn_cfg_lock();
00749    if (elem == MISDN_CFG_PTP) {
00750       snprintf(buf, bufsize, " -> ptp: %s", ptp[port] ? "yes" : "no");
00751    }
00752    else if (elem > MISDN_CFG_FIRST && elem < MISDN_CFG_LAST) {
00753       switch (port_spec[place].type) {
00754       case MISDN_CTYPE_INT:
00755       case MISDN_CTYPE_BOOLINT:
00756          if (port_cfg[port][place].num)
00757             snprintf(buf, bufsize, " -> %s: %d", port_spec[place].name, *port_cfg[port][place].num);
00758          else if (port_cfg[0][place].num)
00759             snprintf(buf, bufsize, " -> %s: %d", port_spec[place].name, *port_cfg[0][place].num);
00760          else
00761             snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
00762          break;
00763       case MISDN_CTYPE_BOOL:
00764          if (port_cfg[port][place].num)
00765             snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, *port_cfg[port][place].num ? "yes" : "no");
00766          else if (port_cfg[0][place].num)
00767             snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, *port_cfg[0][place].num ? "yes" : "no");
00768          else
00769             snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
00770          break;
00771       case MISDN_CTYPE_ASTGROUP:
00772          if (port_cfg[port][place].grp)
00773             snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, 
00774                    ast_print_group(tempbuf, sizeof(tempbuf), *port_cfg[port][place].grp));
00775          else if (port_cfg[0][place].grp)
00776             snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, 
00777                    ast_print_group(tempbuf, sizeof(tempbuf), *port_cfg[0][place].grp));
00778          else
00779             snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
00780          break;
00781       case MISDN_CTYPE_MSNLIST:
00782          if (port_cfg[port][place].ml)
00783             iter = port_cfg[port][place].ml;
00784          else
00785             iter = port_cfg[0][place].ml;
00786          if (iter) {
00787             for (; iter; iter = iter->next)
00788                sprintf(tempbuf, "%s%s, ", tempbuf, iter->msn);
00789             tempbuf[strlen(tempbuf)-2] = 0;
00790          }
00791          snprintf(buf, bufsize, " -> msns: %s", *tempbuf ? tempbuf : "none");
00792          break;
00793       case MISDN_CTYPE_STR:
00794          if ( port_cfg[port][place].str) {
00795             snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, port_cfg[port][place].str);
00796          } else if (port_cfg[0][place].str) {
00797             snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, port_cfg[0][place].str);
00798          } else {
00799             snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
00800          }
00801          break;
00802       }
00803    } else if (elem > MISDN_GEN_FIRST && elem < MISDN_GEN_LAST) {
00804       switch (gen_spec[place].type) {
00805       case MISDN_CTYPE_INT:
00806       case MISDN_CTYPE_BOOLINT:
00807          if (general_cfg[place].num)
00808             snprintf(buf, bufsize, " -> %s: %d", gen_spec[place].name, *general_cfg[place].num);
00809          else
00810             snprintf(buf, bufsize, " -> %s:", gen_spec[place].name);
00811          break;
00812       case MISDN_CTYPE_BOOL:
00813          if (general_cfg[place].num)
00814             snprintf(buf, bufsize, " -> %s: %s", gen_spec[place].name, *general_cfg[place].num ? "yes" : "no");
00815          else
00816             snprintf(buf, bufsize, " -> %s:", gen_spec[place].name);
00817          break;
00818       case MISDN_CTYPE_STR:
00819          if ( general_cfg[place].str) {
00820             snprintf(buf, bufsize, " -> %s: %s", gen_spec[place].name, general_cfg[place].str);
00821          } else {
00822             snprintf(buf, bufsize, " -> %s:", gen_spec[place].name);
00823          }
00824          break;
00825       default:
00826          snprintf(buf, bufsize, " -> type of %s not handled yet", gen_spec[place].name);
00827          break;
00828       }
00829    } else {
00830       *buf = 0;
00831       ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get_config_string! Invalid config element (%d) requested.\n", elem);
00832    }
00833    misdn_cfg_unlock();
00834 }
00835 
00836 int misdn_cfg_get_next_port (int port)
00837 {
00838    int p = -1;
00839    int gn = map[MISDN_CFG_GROUPNAME];
00840    
00841    misdn_cfg_lock();
00842    for (port++; port <= max_ports; port++) {
00843       if (port_cfg[port][gn].str) {
00844          p = port;
00845          break;
00846       }
00847    }
00848    misdn_cfg_unlock();
00849 
00850    return p;
00851 }
00852 
00853 int misdn_cfg_get_next_port_spin (int port)
00854 {
00855    int p = misdn_cfg_get_next_port(port);
00856    return (p > 0) ? p : misdn_cfg_get_next_port(0);
00857 }
00858 
00859 static int _parse (union misdn_cfg_pt *dest, char *value, enum misdn_cfg_type type, int boolint_def)
00860 {
00861    int re = 0;
00862    int len, tmp;
00863    char *valtmp;
00864 
00865    switch (type) {
00866    case MISDN_CTYPE_STR:
00867       if ((len = strlen(value))) {
00868          dest->str = (char *)malloc((len + 1) * sizeof(char));
00869          strncpy(dest->str, value, len);
00870          dest->str[len] = 0;
00871       } else {
00872          dest->str = (char *)malloc( sizeof(char));
00873          dest->str[0] = 0;
00874       }
00875       break;
00876    case MISDN_CTYPE_INT:
00877    {
00878       char *pat;
00879       if (strchr(value,'x')) 
00880          pat="%x";
00881       else
00882          pat="%d";
00883       if (sscanf(value, pat, &tmp)) {
00884          dest->num = (int *)malloc(sizeof(int));
00885          memcpy(dest->num, &tmp, sizeof(int));
00886       } else
00887          re = -1;
00888    }
00889       break;
00890    case MISDN_CTYPE_BOOL:
00891       dest->num = (int *)malloc(sizeof(int));
00892       *(dest->num) = (ast_true(value) ? 1 : 0);
00893       break;
00894    case MISDN_CTYPE_BOOLINT:
00895       dest->num = (int *)malloc(sizeof(int));
00896       if (sscanf(value, "%d", &tmp)) {
00897          memcpy(dest->num, &tmp, sizeof(int));
00898       } else {
00899          *(dest->num) = (ast_true(value) ? boolint_def : 0);
00900       }
00901       break;
00902    case MISDN_CTYPE_MSNLIST:
00903       for (valtmp = strsep(&value, ","); valtmp; valtmp = strsep(&value, ",")) {
00904          if ((len = strlen(valtmp))) {
00905             struct msn_list *ml = (struct msn_list *)malloc(sizeof(struct msn_list));
00906             ml->msn = (char *)calloc(len+1, sizeof(char));
00907             strncpy(ml->msn, valtmp, len);
00908             ml->next = dest->ml;
00909             dest->ml = ml;
00910          }
00911       }
00912       break;
00913    case MISDN_CTYPE_ASTGROUP:
00914       dest->grp = (ast_group_t *)malloc(sizeof(ast_group_t));
00915       *(dest->grp) = ast_get_group(value);
00916       break;
00917    }
00918 
00919    return re;
00920 }
00921 
00922 static void _build_general_config (struct ast_variable *v)
00923 {
00924    int pos;
00925 
00926    for (; v; v = v->next) {
00927       if (((pos = get_cfg_position(v->name, GEN_CFG)) < 0) || 
00928          (_parse(&general_cfg[pos], v->value, gen_spec[pos].type, gen_spec[pos].boolint_def) < 0))
00929          CLI_ERROR(v->name, v->value, "general");
00930    }
00931 }
00932 
00933 static void _build_port_config (struct ast_variable *v, char *cat)
00934 {
00935    int pos, i;
00936    union misdn_cfg_pt cfg_tmp[NUM_PORT_ELEMENTS];
00937    int cfg_for_ports[max_ports + 1];
00938 
00939    if (!v || !cat)
00940       return;
00941 
00942    memset(cfg_tmp, 0, sizeof(cfg_tmp));
00943    memset(cfg_for_ports, 0, sizeof(cfg_for_ports));
00944 
00945    if (!strcasecmp(cat, "default")) {
00946       cfg_for_ports[0] = 1;
00947    }
00948 
00949    if (((pos = get_cfg_position("name", PORT_CFG)) < 0) || 
00950       (_parse(&cfg_tmp[pos], cat, port_spec[pos].type, port_spec[pos].boolint_def) < 0)) {
00951       CLI_ERROR(v->name, v->value, cat);
00952       return;
00953    }
00954 
00955    for (; v; v = v->next) {
00956       if (!strcasecmp(v->name, "ports")) {
00957          char *token;
00958          char ptpbuf[BUFFERSIZE] = "";
00959          int start, end;
00960          for (token = strsep(&v->value, ","); token; token = strsep(&v->value, ","), *ptpbuf = 0) { 
00961             if (!*token)
00962                continue;
00963             if (sscanf(token, "%d-%d%s", &start, &end, ptpbuf) >= 2) {
00964                for (; start <= end; start++) {
00965                   if (start <= max_ports && start > 0) {
00966                      cfg_for_ports[start] = 1;
00967                      ptp[start] = (strstr(ptpbuf, "ptp")) ? 1 : 0;
00968                   } else
00969                      CLI_ERROR(v->name, v->value, cat);
00970                }
00971             } else {
00972                if (sscanf(token, "%d%s", &start, ptpbuf)) {
00973                   if (start <= max_ports && start > 0) {
00974                      cfg_for_ports[start] = 1;
00975                      ptp[start] = (strstr(ptpbuf, "ptp")) ? 1 : 0;
00976                   } else
00977                      CLI_ERROR(v->name, v->value, cat);
00978                } else
00979                   CLI_ERROR(v->name, v->value, cat);
00980             }
00981          }
00982       } else {
00983          if (((pos = get_cfg_position(v->name, PORT_CFG)) < 0) || 
00984             (_parse(&cfg_tmp[pos], v->value, port_spec[pos].type, port_spec[pos].boolint_def) < 0))
00985             CLI_ERROR(v->name, v->value, cat);
00986       }
00987    }
00988 
00989    for (i = 0; i < (max_ports + 1); ++i) {
00990       if (cfg_for_ports[i]) {
00991          memcpy(port_cfg[i], cfg_tmp, sizeof(cfg_tmp));
00992       }
00993    }
00994 }
00995 
00996 void misdn_cfg_update_ptp (void)
00997 {
00998 #ifndef MISDN_1_2
00999    char misdn_init[BUFFERSIZE];
01000    char line[BUFFERSIZE];
01001    FILE *fp;
01002    char *tok, *p, *end;
01003    int port;
01004 
01005    misdn_cfg_get(0, MISDN_GEN_MISDN_INIT, &misdn_init, sizeof(misdn_init));
01006 
01007    if (!ast_strlen_zero(misdn_init)) {
01008       fp = fopen(misdn_init, "r");
01009       if (fp) {
01010          while(fgets(line, sizeof(line), fp)) {
01011             if (!strncmp(line, "nt_ptp", 6)) {
01012                for (tok = strtok_r(line,",=", &p);
01013                    tok;
01014                    tok = strtok_r(NULL,",=", &p)) {
01015                   port = strtol(tok, &end, 10);
01016                   if (end != tok && misdn_cfg_is_port_valid(port)) {
01017                      misdn_cfg_lock();
01018                      ptp[port] = 1;
01019                      misdn_cfg_unlock();
01020                   }
01021                }
01022             }
01023          }
01024          fclose(fp);
01025       } else {
01026          ast_log(LOG_WARNING,"Couldn't open %s: %s\n", misdn_init, strerror(errno));
01027       }
01028    }
01029 #else
01030    int i;
01031    int proto;
01032    char filename[128];
01033    FILE *fp;
01034 
01035    for (i = 1; i <= max_ports; ++i) {
01036       snprintf(filename, sizeof(filename), "/sys/class/mISDN-stacks/st-%08x/protocol", i << 8);
01037       fp = fopen(filename, "r");
01038       if (!fp) {
01039          ast_log(LOG_WARNING, "Could not open %s: %s\n", filename, strerror(errno));
01040          continue;
01041       }
01042       if (fscanf(fp, "0x%08x", &proto) != 1)
01043          ast_log(LOG_WARNING, "Could not parse contents of %s!\n", filename);
01044       else
01045          ptp[i] = proto & 1<<5 ? 1 : 0;
01046       fclose(fp);
01047    }
01048 #endif
01049 }
01050 
01051 static void _fill_defaults (void)
01052 {
01053    int i;
01054 
01055    for (i = 0; i < NUM_PORT_ELEMENTS; ++i) {
01056       if (!port_cfg[0][i].any && strcasecmp(port_spec[i].def, NO_DEFAULT))
01057          _parse(&(port_cfg[0][i]), (char *)port_spec[i].def, port_spec[i].type, port_spec[i].boolint_def);
01058    }
01059    for (i = 0; i < NUM_GEN_ELEMENTS; ++i) {
01060       if (!general_cfg[i].any && strcasecmp(gen_spec[i].def, NO_DEFAULT))
01061          _parse(&(general_cfg[i]), (char *)gen_spec[i].def, gen_spec[i].type, gen_spec[i].boolint_def);
01062    }
01063 }
01064 
01065 void misdn_cfg_reload (void)
01066 {
01067    misdn_cfg_init (0);
01068 }
01069 
01070 void misdn_cfg_destroy (void)
01071 {
01072    misdn_cfg_lock();
01073 
01074    _free_port_cfg();
01075    _free_general_cfg();
01076 
01077    free(port_cfg);
01078    free(general_cfg);
01079    free(ptp);
01080    free(map);
01081 
01082    misdn_cfg_unlock();
01083    ast_mutex_destroy(&config_mutex);
01084 }
01085 
01086 int misdn_cfg_init (int this_max_ports)
01087 {
01088    char config[] = "misdn.conf";
01089    char *cat, *p;
01090    int i;
01091    struct ast_config *cfg;
01092    struct ast_variable *v;
01093 
01094    if (!(cfg = AST_LOAD_CFG(config))) {
01095       ast_log(LOG_WARNING, "missing file: misdn.conf\n");
01096       return -1;
01097    }
01098 
01099    ast_mutex_init(&config_mutex);
01100 
01101    misdn_cfg_lock();
01102 
01103    if (this_max_ports) {
01104       /* this is the first run */
01105       max_ports = this_max_ports;
01106       map = (int *)calloc(MISDN_GEN_LAST + 1, sizeof(int));
01107       if (_enum_array_map())
01108          return -1;
01109       p = (char *)calloc(1, (max_ports + 1) * sizeof(union misdn_cfg_pt *)
01110                      + (max_ports + 1) * NUM_PORT_ELEMENTS * sizeof(union misdn_cfg_pt));
01111       port_cfg = (union misdn_cfg_pt **)p;
01112       p += (max_ports + 1) * sizeof(union misdn_cfg_pt *);
01113       for (i = 0; i <= max_ports; ++i) {
01114          port_cfg[i] = (union misdn_cfg_pt *)p;
01115          p += NUM_PORT_ELEMENTS * sizeof(union misdn_cfg_pt);
01116       }
01117       general_cfg = (union misdn_cfg_pt *)calloc(1, sizeof(union misdn_cfg_pt *) * NUM_GEN_ELEMENTS);
01118       ptp = (int *)calloc(max_ports + 1, sizeof(int));
01119    }
01120    else {
01121       /* misdn reload */
01122       _free_port_cfg();
01123       _free_general_cfg();
01124       memset(port_cfg[0], 0, NUM_PORT_ELEMENTS * sizeof(union misdn_cfg_pt) * (max_ports + 1));
01125       memset(general_cfg, 0, sizeof(union misdn_cfg_pt *) * NUM_GEN_ELEMENTS);
01126       memset(ptp, 0, sizeof(int) * (max_ports + 1));
01127    }
01128 
01129    cat = ast_category_browse(cfg, NULL);
01130 
01131    while(cat) {
01132       v = ast_variable_browse(cfg, cat);
01133       if (!strcasecmp(cat, "general")) {
01134          _build_general_config(v);
01135       } else {
01136          _build_port_config(v, cat);
01137       }
01138       cat = ast_category_browse(cfg, cat);
01139    }
01140 
01141    _fill_defaults();
01142 
01143    misdn_cfg_unlock();
01144    AST_DESTROY_CFG(cfg);
01145 
01146    return 0;
01147 }
01148 
01149 

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