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asterisk/channels/misdn_config.c

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2005, Christian Richter
*
* Christian Richter <crich@beronet.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*
*/
/*!
* \file
*
* \brief chan_misdn configuration management
* \author Christian Richter <crich@beronet.com>
*
* \ingroup channel_drivers
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "chan_misdn_config.h"
#include "asterisk/config.h"
#include "asterisk/channel.h"
#include "asterisk/logger.h"
#include "asterisk/lock.h"
#include "asterisk/pbx.h"
#include "asterisk/strings.h"
#include "asterisk/utils.h"
#define AST_LOAD_CFG ast_config_load
#define AST_DESTROY_CFG ast_config_destroy
#define NO_DEFAULT "<>"
#define NONE 0
#define GEN_CFG 1
#define PORT_CFG 2
#define NUM_GEN_ELEMENTS (sizeof(gen_spec) / sizeof(struct misdn_cfg_spec))
#define NUM_PORT_ELEMENTS (sizeof(port_spec) / sizeof(struct misdn_cfg_spec))
enum misdn_cfg_type {
MISDN_CTYPE_STR,
MISDN_CTYPE_INT,
MISDN_CTYPE_BOOL,
MISDN_CTYPE_BOOLINT,
MISDN_CTYPE_MSNLIST,
MISDN_CTYPE_ASTGROUP
};
struct msn_list {
char *msn;
struct msn_list *next;
};
union misdn_cfg_pt {
char *str;
int *num;
struct msn_list *ml;
ast_group_t *grp;
void *any;
};
struct misdn_cfg_spec {
char name[BUFFERSIZE];
enum misdn_cfg_elements elem;
enum misdn_cfg_type type;
char def[BUFFERSIZE];
int boolint_def;
char desc[BUFFERSIZE];
};
static const char ports_description[] =
"Define your ports, e.g. 1,2 (depends on mISDN-driver loading order).";
static const struct misdn_cfg_spec port_spec[] = {
{ "name", MISDN_CFG_GROUPNAME, MISDN_CTYPE_STR, "default", NONE,
"Name of the portgroup." },
{ "allowed_bearers", MISDN_CFG_ALLOWED_BEARERS, MISDN_CTYPE_STR, "all", NONE,
"Here you can define which bearers should be allowed." },
{ "rxgain", MISDN_CFG_RXGAIN, MISDN_CTYPE_INT, "0", NONE,
"Set this between -8 and 8 to change the RX Gain." },
{ "txgain", MISDN_CFG_TXGAIN, MISDN_CTYPE_INT, "0", NONE,
"Set this between -8 and 8 to change the TX Gain." },
{ "te_choose_channel", MISDN_CFG_TE_CHOOSE_CHANNEL, MISDN_CTYPE_BOOL, "no", NONE,
"Some telcos espacially in NL seem to need this set to yes,\n"
"\talso in switzerland this seems to be important." },
{ "far_alerting", MISDN_CFG_FAR_ALERTING, MISDN_CTYPE_BOOL, "no", NONE,
"If we should generate ringing for chan_sip and others." },
{ "pmp_l1_check", MISDN_CFG_PMP_L1_CHECK, MISDN_CTYPE_BOOL, "yes", NONE,
"This option defines, if chan_misdn should check the L1 on a PMP\n"
"\tbefore makeing a group call on it. The L1 may go down for PMP Ports\n"
"\tso we might need this.\n"
"\tBut be aware! a broken or plugged off cable might be used for a group call\n"
"\tas well, since chan_misdn has no chance to distinguish if the L1 is down\n"
"\tbecause of a lost Link or because the Provider shut it down..." },
{ "block_on_alarm", MISDN_CFG_ALARM_BLOCK, MISDN_CTYPE_BOOL, "yes", NONE ,
"Block this port if we have an alarm on it."
"default: yes\n" },
{ "hdlc", MISDN_CFG_HDLC, MISDN_CTYPE_BOOL, "no", NONE,
"Set this to yes, if you want to bridge a mISDN data channel to\n"
"\tanother channel type or to an application." },
{ "context", MISDN_CFG_CONTEXT, MISDN_CTYPE_STR, "default", NONE,
"Context to use for incoming calls." },
{ "language", MISDN_CFG_LANGUAGE, MISDN_CTYPE_STR, "en", NONE,
"Language." },
{ "musicclass", MISDN_CFG_MUSICCLASS, MISDN_CTYPE_STR, "default", NONE,
"Sets the musiconhold class." },
{ "callerid", MISDN_CFG_CALLERID, MISDN_CTYPE_STR, "", NONE,
"Sets the caller ID." },
{ "method", MISDN_CFG_METHOD, MISDN_CTYPE_STR, "standard", NONE,
"Sets the method to use for channel selection:\n"
"\t standard - always choose the first free channel with the lowest number\n"
"\t round_robin - use the round robin algorithm to select a channel. use this\n"
"\t if you want to balance your load." },
{ "dialplan", MISDN_CFG_DIALPLAN, MISDN_CTYPE_INT, "0", NONE,
"Dialplan means Type Of Number in ISDN Terms (for outgoing calls)\n"
"\n"
"\tThere are different types of the dialplan:\n"
"\n"
"\tdialplan -> outgoing Number\n"
"\tlocaldialplan -> callerid\n"
"\tcpndialplan -> connected party number\n"
"\n"
"\tdialplan options:\n"
"\n"
"\t0 - unknown\n"
"\t1 - International\n"
"\t2 - National\n"
"\t4 - Subscriber\n"
"\n"
"\tThis setting is used for outgoing calls." },
{ "localdialplan", MISDN_CFG_LOCALDIALPLAN, MISDN_CTYPE_INT, "0", NONE,
"Dialplan means Type Of Number in ISDN Terms (for outgoing calls)\n"
"\n"
"\tThere are different types of the dialplan:\n"
"\n"
"\tdialplan -> outgoing Number\n"
"\tlocaldialplan -> callerid\n"
"\tcpndialplan -> connected party number\n"
"\n"
"\tdialplan options:\n"
"\n"
"\t0 - unknown\n"
"\t1 - International\n"
"\t2 - National\n"
"\t4 - Subscriber\n"
"\n"
"\tThis setting is used for outgoing calls" },
{ "cpndialplan", MISDN_CFG_CPNDIALPLAN, MISDN_CTYPE_INT, "0", NONE,
"Dialplan means Type Of Number in ISDN Terms (for outgoing calls)\n"
"\n"
"\tThere are different types of the dialplan:\n"
"\n"
"\tdialplan -> outgoing Number\n"
"\tlocaldialplan -> callerid\n"
"\tcpndialplan -> connected party number\n"
"\n"
"\tdialplan options:\n"
"\n"
"\t0 - unknown\n"
"\t1 - International\n"
"\t2 - National\n"
"\t4 - Subscriber\n"
"\n"
"\tThis setting is used for outgoing calls." },
{ "nationalprefix", MISDN_CFG_NATPREFIX, MISDN_CTYPE_STR, "0", NONE,
"Prefix for national, this is put before the\n"
"\toad if an according dialplan is set by the other end." },
{ "internationalprefix", MISDN_CFG_INTERNATPREFIX, MISDN_CTYPE_STR, "00", NONE,
"Prefix for international, this is put before the\n"
"\toad if an according dialplan is set by the other end." },
{ "presentation", MISDN_CFG_PRES, MISDN_CTYPE_INT, "-1", NONE,
"These (presentation and screen) are the exact isdn screening and presentation\n"
"\tindicators.\n"
"\tIf -1 is given for both values, the presentation indicators are used from\n"
"\tAsterisks SetCallerPres application.\n"
"\n"
"\tscreen=0, presentation=0 -> callerid presented not screened\n"
"\tscreen=1, presentation=1 -> callerid presented but screened (the remote end doesn't see it!)" },
{ "screen", MISDN_CFG_SCREEN, MISDN_CTYPE_INT, "-1", NONE,
"These (presentation and screen) are the exact isdn screening and presentation\n"
"\tindicators.\n"
"\tIf -1 is given for both values, the presentation indicators are used from\n"
"\tAsterisks SetCallerPres application.\n"
"\n"
"\tscreen=0, presentation=0 -> callerid presented not screened\n"
"\tscreen=1, presentation=1 -> callerid presented but screened (the remote end doesn't see it!)" },
{ "always_immediate", MISDN_CFG_ALWAYS_IMMEDIATE, MISDN_CTYPE_BOOL, "no", NONE,
"Enable this to get into the s dialplan-extension.\n"
"\tThere you can use DigitTimeout if you can't or don't want to use\n"
"\tisdn overlap dial.\n"
"\tNOTE: This will jump into the s extension for every exten!" },
{ "nodialtone", MISDN_CFG_NODIALTONE, MISDN_CTYPE_BOOL, "no", NONE,
"Enable this to prevent chan_misdn to generate the dialtone\n"
"\tThis makes only sense together with the always_immediate=yes option\n"
"\tto generate your own dialtone with Playtones or so."},
{ "immediate", MISDN_CFG_IMMEDIATE, MISDN_CTYPE_BOOL, "no", NONE,
"Enable this if you want callers which called exactly the base\n"
"\tnumber (so no extension is set) to jump into the s extension.\n"
"\tIf the user dials something more, it jumps to the correct extension\n"
"\tinstead." },
{ "senddtmf", MISDN_CFG_SENDDTMF, MISDN_CTYPE_BOOL, "no", NONE,
"Enable this if we should produce DTMF Tones ourselves." },
{ "hold_allowed", MISDN_CFG_HOLD_ALLOWED, MISDN_CTYPE_BOOL, "no", NONE,
"Enable this to have support for hold and retrieve." },
{ "early_bconnect", MISDN_CFG_EARLY_BCONNECT, MISDN_CTYPE_BOOL, "yes", NONE,
"Disable this if you don't mind correct handling of Progress Indicators." },
{ "incoming_early_audio", MISDN_CFG_INCOMING_EARLY_AUDIO, MISDN_CTYPE_BOOL, "no", NONE,
"Turn this on if you like to send Tone Indications to a Incoming\n"
"\tisdn channel on a TE Port. Rarely used, only if the Telco allows\n"
"\tyou to send indications by yourself, normally the Telco sends the\n"
"\tindications to the remote party." },
{ "echocancel", MISDN_CFG_ECHOCANCEL, MISDN_CTYPE_BOOLINT, "0", 128,
"This enables echocancellation, with the given number of taps.\n"
"\tBe aware, move this setting only to outgoing portgroups!\n"
"\tA value of zero turns echocancellation off.\n"
"\n"
"\tPossible values are: 0,32,64,128,256,yes(=128),no(=0)" },
{ "echocancelwhenbridged", MISDN_CFG_ECHOCANCELWHENBRIDGED, MISDN_CTYPE_BOOL, "no", NONE,
"This disables echocancellation when the call is bridged between\n"
"\tmISDN channels" },
#ifdef WITH_BEROEC
{ "bnechocancel", MISDN_CFG_BNECHOCANCEL, MISDN_CTYPE_BOOLINT, "yes", 64,
"echotail in ms (1-200)\n"},
{ "bnec_antihowl", MISDN_CFG_BNEC_ANTIHOWL, MISDN_CTYPE_INT, "0", NONE,
"Use antihowl\n"},
{ "bnec_nlp", MISDN_CFG_BNEC_NLP, MISDN_CTYPE_BOOL, "yes", NONE,
"Nonlinear Processing (much faster adaption)"},
{ "bnec_zerocoeff", MISDN_CFG_BNEC_ZEROCOEFF, MISDN_CTYPE_BOOL, "no", NONE,
"ZeroCoeffeciens\n"},
{ "bnec_tonedisabler", MISDN_CFG_BNEC_TD, MISDN_CTYPE_BOOL, "no", NONE,
"Disable Tone\n"},
{ "bnec_adaption", MISDN_CFG_BNEC_ADAPT, MISDN_CTYPE_INT, "1", NONE,
"Adaption mode (0=no,1=full,2=fast)\n"},
#endif
{ "need_more_infos", MISDN_CFG_NEED_MORE_INFOS, MISDN_CTYPE_BOOL, "0", NONE,
"Send Setup_Acknowledge on incoming calls anyway (instead of PROCEEDING),\n"
"\tthis requests additional Infos, so we can waitfordigits without much\n"
"\tissues. This works only for PTP Ports" },
{ "jitterbuffer", MISDN_CFG_JITTERBUFFER, MISDN_CTYPE_INT, "4000", NONE,
"The jitterbuffer." },
{ "jitterbuffer_upper_threshold", MISDN_CFG_JITTERBUFFER_UPPER_THRESHOLD, MISDN_CTYPE_INT, "0", NONE,
"Change this threshold to enable dejitter functionality." },
{ "callgroup", MISDN_CFG_CALLGROUP, MISDN_CTYPE_ASTGROUP, NO_DEFAULT, NONE,
"Callgroup." },
{ "pickupgroup", MISDN_CFG_PICKUPGROUP, MISDN_CTYPE_ASTGROUP, NO_DEFAULT, NONE,
"Pickupgroup." },
{ "max_incoming", MISDN_CFG_MAX_IN, MISDN_CTYPE_INT, "-1", NONE,
"Defines the maximum amount of incoming calls per port for this group.\n"
"\tCalls which exceed the maximum will be marked with the channel varible\n"
"\tMAX_OVERFLOW. It will contain the amount of overflowed calls" },
{ "max_outgoing", MISDN_CFG_MAX_OUT, MISDN_CTYPE_INT, "-1", NONE,
"Defines the maximum amount of outgoing calls per port for this group\n"
"\texceeding calls will be rejected" },
{ "reject_cause", MISDN_CFG_REJECT_CAUSE, MISDN_CTYPE_INT, "21", NONE,
"Defines the cause with which a 3. call is rejected on PTMP BRI."},
{ "faxdetect", MISDN_CFG_FAXDETECT, MISDN_CTYPE_STR, "no", NONE,
"Setup fax detection:\n"
"\t no - no fax detection\n"
"\t incoming - fax detection for incoming calls\n"
"\t outgoing - fax detection for outgoing calls\n"
"\t both - fax detection for incoming and outgoing calls\n"
"\tAdd +nojump to your value (i.e. faxdetect=both+nojump) if you don't want to jump into the\n"
"\tfax-extension but still want to detect the fax and prepare the channel for fax transfer." },
{ "faxdetect_timeout", MISDN_CFG_FAXDETECT_TIMEOUT, MISDN_CTYPE_INT, "5", NONE,
"Number of seconds the fax detection should do its job. After the given period of time,\n"
"\twe assume that it's not a fax call and save some CPU time by turning off fax detection.\n"
"\tSet this to 0 if you don't want a timeout (never stop detecting)." },
{ "faxdetect_context", MISDN_CFG_FAXDETECT_CONTEXT, MISDN_CTYPE_STR, NO_DEFAULT, NONE,
"Context to jump into if we detect a fax. Don't set this if you want to stay in the current context." },
{ "l1watcher_timeout", MISDN_CFG_L1_TIMEOUT, MISDN_CTYPE_BOOLINT, "0", 4,
"Watches the layer 1. If the layer 1 is down, it tries to\n"
"\tget it up. The timeout is given in seconds. with 0 as value it\n"
"\tdoes not watch the l1 at all\n"
"\n"
"\tThis option is only read at loading time of chan_misdn, which\n"
"\tmeans you need to unload and load chan_misdn to change the value,\n"
"\tan Asterisk restart should do the trick." },
{ "overlapdial", MISDN_CFG_OVERLAP_DIAL, MISDN_CTYPE_BOOLINT, "0", 4,
"Enables overlap dial for the given amount of seconds.\n"
"\tPossible values are positive integers or:\n"
"\t yes (= 4 seconds)\n"
"\t no (= 0 seconds = disabled)" },
{ "nttimeout", MISDN_CFG_NTTIMEOUT, MISDN_CTYPE_BOOL, "no", NONE ,
"Set this to yes if you want calls disconnected in overlap mode\n"
"\twhen a timeout happens." },
{ "msns", MISDN_CFG_MSNS, MISDN_CTYPE_MSNLIST, NO_DEFAULT, NONE,
"MSN's for TE ports, listen on those numbers on the above ports, and\n"
"\tindicate the incoming calls to Asterisk.\n"
"\tHere you can give a comma seperated list, or simply an '*' for any msn." },
};
static const struct misdn_cfg_spec gen_spec[] = {
{ "debug", MISDN_GEN_DEBUG, MISDN_CTYPE_INT, "0", NONE,
"Sets the debugging flag:\n"
"\t0 - No Debug\n"
"\t1 - mISDN Messages and * - Messages, and * - State changes\n"
"\t2 - Messages + Message specific Informations (e.g. bearer capability)\n"
"\t3 - very Verbose, the above + lots of Driver specific infos\n"
"\t4 - even more Verbose than 3" },
{ "misdn_init", MISDN_GEN_MISDN_INIT, MISDN_CTYPE_STR, "/etc/misdn-init.conf", NONE,
"Set the path to the misdn-init.conf (for nt_ptp mode checking)." },
{ "tracefile", MISDN_GEN_TRACEFILE, MISDN_CTYPE_STR, "/var/log/asterisk/misdn.log", NONE,
"Set the path to the massively growing trace file, if you want that." },
{ "bridging", MISDN_GEN_BRIDGING, MISDN_CTYPE_BOOL, "yes", NONE,
"Set this to yes if you want mISDN_dsp to bridge the calls in HW." },
{ "stop_tone_after_first_digit", MISDN_GEN_STOP_TONE, MISDN_CTYPE_BOOL, "yes", NONE,
"Stops dialtone after getting first digit on NT Port." },
{ "append_digits2exten", MISDN_GEN_APPEND_DIGITS2EXTEN, MISDN_CTYPE_BOOL, "yes", NONE,
"Wether to append overlapdialed Digits to Extension or not." },
{ "dynamic_crypt", MISDN_GEN_DYNAMIC_CRYPT, MISDN_CTYPE_BOOL, "no", NONE,
"Wether to look out for dynamic crypting attempts." },
{ "crypt_prefix", MISDN_GEN_CRYPT_PREFIX, MISDN_CTYPE_STR, NO_DEFAULT, NONE,
"What is used for crypting Protocol." },
{ "crypt_keys", MISDN_GEN_CRYPT_KEYS, MISDN_CTYPE_STR, NO_DEFAULT, NONE,
"Keys for cryption, you reference them in the dialplan\n"
"\tLater also in dynamic encr." },
{ "ntdebugflags", MISDN_GEN_NTDEBUGFLAGS, MISDN_CTYPE_INT, "0", NONE,
"No description yet."},
{ "ntdebugfile", MISDN_GEN_NTDEBUGFILE, MISDN_CTYPE_STR, "/var/log/misdn-nt.log", NONE,
"No description yet." }
};
/* array of port configs, default is at position 0. */
static union misdn_cfg_pt **port_cfg;
/* max number of available ports, is set on init */
static int max_ports;
/* general config */
static union misdn_cfg_pt *general_cfg;
/* storing the ptp flag separated to save memory */
static int *ptp;
/* maps enum config elements to array positions */
static int *map;
static ast_mutex_t config_mutex;
#define CLI_ERROR(name, value, section) ({ \
ast_log(LOG_WARNING, "misdn.conf: \"%s=%s\" (section: %s) invalid or out of range. " \
"Please edit your misdn.conf and then do a \"misdn reload\".\n", name, value, section); \
})
static int _enum_array_map (void)
{
int i, j, ok;
for (i = MISDN_CFG_FIRST + 1; i < MISDN_CFG_LAST; ++i) {
if (i == MISDN_CFG_PTP)
continue;
ok = 0;
for (j = 0; j < NUM_PORT_ELEMENTS; ++j) {
if (port_spec[j].elem == i) {
map[i] = j;
ok = 1;
break;
}
}
if (!ok) {
ast_log(LOG_WARNING, "Enum element %d in misdn_cfg_elements (port section) has no corresponding element in the config struct!\n", i);
return -1;
}
}
for (i = MISDN_GEN_FIRST + 1; i < MISDN_GEN_LAST; ++i) {
ok = 0;
for (j = 0; j < NUM_GEN_ELEMENTS; ++j) {
if (gen_spec[j].elem == i) {
map[i] = j;
ok = 1;
break;
}
}
if (!ok) {
ast_log(LOG_WARNING, "Enum element %d in misdn_cfg_elements (general section) has no corresponding element in the config struct!\n", i);
return -1;
}
}
return 0;
}
static int get_cfg_position (char *name, int type)
{
int i;
switch (type) {
case PORT_CFG:
for (i = 0; i < NUM_PORT_ELEMENTS; ++i) {
if (!strcasecmp(name, port_spec[i].name))
return i;
}
break;
case GEN_CFG:
for (i = 0; i < NUM_GEN_ELEMENTS; ++i) {
if (!strcasecmp(name, gen_spec[i].name))
return i;
}
}
return -1;
}
static inline void misdn_cfg_lock (void)
{
ast_mutex_lock(&config_mutex);
}
static inline void misdn_cfg_unlock (void)
{
ast_mutex_unlock(&config_mutex);
}
static void _free_msn_list (struct msn_list* iter)
{
if (iter->next)
_free_msn_list(iter->next);
if (iter->msn)
free(iter->msn);
free(iter);
}
static void _free_port_cfg (void)
{
int i, j;
int gn = map[MISDN_CFG_GROUPNAME];
union misdn_cfg_pt* free_list[max_ports + 2];
memset(free_list, 0, sizeof(free_list));
free_list[0] = port_cfg[0];
for (i = 1; i <= max_ports; ++i) {
if (port_cfg[i][gn].str) {
/* we always have a groupname in the non-default case, so this is fine */
for (j = 1; j <= max_ports; ++j) {
if (free_list[j] && free_list[j][gn].str == port_cfg[i][gn].str)
break;
else if (!free_list[j]) {
free_list[j] = port_cfg[i];
break;
}
}
}
}
for (j = 0; free_list[j]; ++j) {
for (i = 0; i < NUM_PORT_ELEMENTS; ++i) {
if (free_list[j][i].any) {
if (port_spec[i].type == MISDN_CTYPE_MSNLIST)
_free_msn_list(free_list[j][i].ml);
else
free(free_list[j][i].any);
}
}
}
}
static void _free_general_cfg (void)
{
int i;
for (i = 0; i < NUM_GEN_ELEMENTS; i++)
if (general_cfg[i].any)
free(general_cfg[i].any);
}
void misdn_cfg_get (int port, enum misdn_cfg_elements elem, void *buf, int bufsize)
{
int place;
if ((elem < MISDN_CFG_LAST) && !misdn_cfg_is_port_valid(port)) {
memset(buf, 0, bufsize);
ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get! Port number %d is not valid.\n", port);
return;
}
misdn_cfg_lock();
if (elem == MISDN_CFG_PTP) {
if (!memcpy(buf, &ptp[port], (bufsize > ptp[port]) ? sizeof(ptp[port]) : bufsize))
memset(buf, 0, bufsize);
} else {
if ((place = map[elem]) < 0) {
memset (buf, 0, bufsize);
ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get! Invalid element (%d) requested.\n", elem);
} else {
if (elem < MISDN_CFG_LAST) {
switch (port_spec[place].type) {
case MISDN_CTYPE_STR:
if (port_cfg[port][place].str) {
if (!memccpy(buf, port_cfg[port][place].str, 0, bufsize))
memset(buf, 0, 1);
} else if (port_cfg[0][place].str) {
if (!memccpy(buf, port_cfg[0][place].str, 0, bufsize))
memset(buf, 0, 1);
}
break;
default:
if (port_cfg[port][place].any)
memcpy(buf, port_cfg[port][place].any, bufsize);
else if (port_cfg[0][place].any)
memcpy(buf, port_cfg[0][place].any, bufsize);
else
memset(buf, 0, bufsize);
}
} else {
switch (gen_spec[place].type) {
case MISDN_CTYPE_STR:
if (!general_cfg[place].str || !memccpy(buf, general_cfg[place].str, 0, bufsize))
memset(buf, 0, 1);
break;
default:
if (general_cfg[place].any)
memcpy(buf, general_cfg[place].any, bufsize);
else
memset(buf, 0, bufsize);
}
}
}
}
misdn_cfg_unlock();
}
enum misdn_cfg_elements misdn_cfg_get_elem (char *name)
{
int pos;
/* here comes a hack to replace the (not existing) "name" elemet with the "ports" element */
if (!strcmp(name, "ports"))
return MISDN_CFG_GROUPNAME;
if (!strcmp(name, "name"))
return MISDN_CFG_FIRST;
pos = get_cfg_position (name, PORT_CFG);
if (pos >= 0)
return port_spec[pos].elem;
pos = get_cfg_position (name, GEN_CFG);
if (pos >= 0)
return gen_spec[pos].elem;
return MISDN_CFG_FIRST;
}
void misdn_cfg_get_name (enum misdn_cfg_elements elem, void *buf, int bufsize)
{
struct misdn_cfg_spec *spec = NULL;
int place = map[elem];
/* the ptp hack */
if (elem == MISDN_CFG_PTP) {
memset(buf, 0, 1);
return;
}
/* here comes a hack to replace the (not existing) "name" elemet with the "ports" element */
if (elem == MISDN_CFG_GROUPNAME) {
if (!snprintf(buf, bufsize, "ports"))
memset(buf, 0, 1);
return;
}
if ((elem > MISDN_CFG_FIRST) && (elem < MISDN_CFG_LAST))
spec = (struct misdn_cfg_spec *)port_spec;
else if ((elem > MISDN_GEN_FIRST) && (elem < MISDN_GEN_LAST))
spec = (struct misdn_cfg_spec *)gen_spec;
if (!spec || !memccpy(buf, spec[place].name, 0, bufsize))
memset(buf, 0, 1);
}
void misdn_cfg_get_desc (enum misdn_cfg_elements elem, void *buf, int bufsize, void *buf_default, int bufsize_default)
{
int place = map[elem];
struct misdn_cfg_spec *spec = NULL;
/* here comes a hack to replace the (not existing) "name" elemet with the "ports" element */
if (elem == MISDN_CFG_GROUPNAME) {
if (!memccpy(buf, ports_description, 0, bufsize))
memset(buf, 0, 1);
if (buf_default && bufsize_default)
memset(buf_default, 0, 1);
return;
}
if ((elem > MISDN_CFG_FIRST) && (elem < MISDN_CFG_LAST))
spec = (struct misdn_cfg_spec *)port_spec;
else if ((elem > MISDN_GEN_FIRST) && (elem < MISDN_GEN_LAST))
spec = (struct misdn_cfg_spec *)gen_spec;
if (!spec || !spec[place].desc)
memset(buf, 0, 1);
else {
if (!memccpy(buf, spec[place].desc, 0, bufsize))
memset(buf, 0, 1);
if (buf_default && bufsize) {
if (!strcmp(spec[place].def, NO_DEFAULT))
memset(buf_default, 0, 1);
else if (!memccpy(buf_default, spec[place].def, 0, bufsize_default))
memset(buf_default, 0, 1);
}
}
}
int misdn_cfg_is_msn_valid (int port, char* msn)
{
int re = 0;
struct msn_list *iter;
if (!misdn_cfg_is_port_valid(port)) {
ast_log(LOG_WARNING, "Invalid call to misdn_cfg_is_msn_valid! Port number %d is not valid.\n", port);
return 0;
}
misdn_cfg_lock();
if (port_cfg[port][map[MISDN_CFG_MSNS]].ml)
iter = port_cfg[port][map[MISDN_CFG_MSNS]].ml;
else
iter = port_cfg[0][map[MISDN_CFG_MSNS]].ml;
for (; iter; iter = iter->next)
if (*(iter->msn) == '*' || ast_extension_match(iter->msn, msn)) {
re = 1;
break;
}
misdn_cfg_unlock();
return re;
}
int misdn_cfg_is_port_valid (int port)
{
int gn = map[MISDN_CFG_GROUPNAME];
return (port >= 1 && port <= max_ports && port_cfg[port][gn].str);
}
int misdn_cfg_is_group_method (char *group, enum misdn_cfg_method meth)
{
int i, re = 0;
char *method = NULL;
misdn_cfg_lock();
for (i = 1; i <= max_ports; i++) {
if (port_cfg[i] && port_cfg[i][map[MISDN_CFG_GROUPNAME]].str) {
if (!strcasecmp(port_cfg[i][map[MISDN_CFG_GROUPNAME]].str, group))
method = (port_cfg[i][map[MISDN_CFG_METHOD]].str ?
port_cfg[i][map[MISDN_CFG_METHOD]].str : port_cfg[0][map[MISDN_CFG_METHOD]].str);
}
}
if (method) {
switch (meth) {
case METHOD_STANDARD: re = !strcasecmp(method, "standard");
break;
case METHOD_ROUND_ROBIN: re = !strcasecmp(method, "round_robin");
break;
}
}
misdn_cfg_unlock();
return re;
}
void misdn_cfg_get_ports_string (char *ports)
{
char tmp[16];
int l, i;
int gn = map[MISDN_CFG_GROUPNAME];
*ports = 0;
misdn_cfg_lock();
for (i = 1; i <= max_ports; i++) {
if (port_cfg[i][gn].str) {
if (ptp[i])
sprintf(tmp, "%dptp,", i);
else
sprintf(tmp, "%d,", i);
strcat(ports, tmp);
}
}
misdn_cfg_unlock();
if ((l = strlen(ports)))
ports[l-1] = 0;
}
void misdn_cfg_get_config_string (int port, enum misdn_cfg_elements elem, char* buf, int bufsize)
{
int place;
char tempbuf[BUFFERSIZE] = "";
struct msn_list *iter;
if ((elem < MISDN_CFG_LAST) && !misdn_cfg_is_port_valid(port)) {
*buf = 0;
ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get_config_string! Port number %d is not valid.\n", port);
return;
}
place = map[elem];
misdn_cfg_lock();
if (elem == MISDN_CFG_PTP) {
snprintf(buf, bufsize, " -> ptp: %s", ptp[port] ? "yes" : "no");
}
else if (elem > MISDN_CFG_FIRST && elem < MISDN_CFG_LAST) {
switch (port_spec[place].type) {
case MISDN_CTYPE_INT:
case MISDN_CTYPE_BOOLINT:
if (port_cfg[port][place].num)
snprintf(buf, bufsize, " -> %s: %d", port_spec[place].name, *port_cfg[port][place].num);
else if (port_cfg[0][place].num)
snprintf(buf, bufsize, " -> %s: %d", port_spec[place].name, *port_cfg[0][place].num);
else
snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
break;
case MISDN_CTYPE_BOOL:
if (port_cfg[port][place].num)
snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, *port_cfg[port][place].num ? "yes" : "no");
else if (port_cfg[0][place].num)
snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, *port_cfg[0][place].num ? "yes" : "no");
else
snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
break;
case MISDN_CTYPE_ASTGROUP:
if (port_cfg[port][place].grp)
snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name,
ast_print_group(tempbuf, sizeof(tempbuf), *port_cfg[port][place].grp));
else if (port_cfg[0][place].grp)
snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name,
ast_print_group(tempbuf, sizeof(tempbuf), *port_cfg[0][place].grp));
else
snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
break;
case MISDN_CTYPE_MSNLIST:
if (port_cfg[port][place].ml)
iter = port_cfg[port][place].ml;
else
iter = port_cfg[0][place].ml;
if (iter) {
for (; iter; iter = iter->next)
sprintf(tempbuf, "%s%s, ", tempbuf, iter->msn);
tempbuf[strlen(tempbuf)-2] = 0;
}
snprintf(buf, bufsize, " -> msns: %s", *tempbuf ? tempbuf : "none");
break;
case MISDN_CTYPE_STR:
if ( port_cfg[port][place].str) {
snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, port_cfg[port][place].str);
} else if (port_cfg[0][place].str) {
snprintf(buf, bufsize, " -> %s: %s", port_spec[place].name, port_cfg[0][place].str);
} else {
snprintf(buf, bufsize, " -> %s:", port_spec[place].name);
}
break;
}
} else if (elem > MISDN_GEN_FIRST && elem < MISDN_GEN_LAST) {
switch (gen_spec[place].type) {
case MISDN_CTYPE_INT:
case MISDN_CTYPE_BOOLINT:
if (general_cfg[place].num)
snprintf(buf, bufsize, " -> %s: %d", gen_spec[place].name, *general_cfg[place].num);
else
snprintf(buf, bufsize, " -> %s:", gen_spec[place].name);
break;
case MISDN_CTYPE_BOOL:
if (general_cfg[place].num)
snprintf(buf, bufsize, " -> %s: %s", gen_spec[place].name, *general_cfg[place].num ? "yes" : "no");
else
snprintf(buf, bufsize, " -> %s:", gen_spec[place].name);
break;
case MISDN_CTYPE_STR:
if ( general_cfg[place].str) {
snprintf(buf, bufsize, " -> %s: %s", gen_spec[place].name, general_cfg[place].str);
} else {
snprintf(buf, bufsize, " -> %s:", gen_spec[place].name);
}
break;
default:
snprintf(buf, bufsize, " -> type of %s not handled yet", gen_spec[place].name);
break;
}
} else {
*buf = 0;
ast_log(LOG_WARNING, "Invalid call to misdn_cfg_get_config_string! Invalid config element (%d) requested.\n", elem);
}
misdn_cfg_unlock();
}
int misdn_cfg_get_next_port (int port)
{
int p = -1;
int gn = map[MISDN_CFG_GROUPNAME];
misdn_cfg_lock();
for (port++; port <= max_ports; port++) {
if (port_cfg[port][gn].str) {
p = port;
break;
}
}
misdn_cfg_unlock();
return p;
}
int misdn_cfg_get_next_port_spin (int port)
{
int p = misdn_cfg_get_next_port(port);
return (p > 0) ? p : misdn_cfg_get_next_port(0);
}
static int _parse (union misdn_cfg_pt *dest, char *value, enum misdn_cfg_type type, int boolint_def)
{
int re = 0;
int len, tmp;
char *valtmp;
switch (type) {
case MISDN_CTYPE_STR:
if ((len = strlen(value))) {
dest->str = (char *)malloc((len + 1) * sizeof(char));
strncpy(dest->str, value, len);
dest->str[len] = 0;
} else {
dest->str = (char *)malloc( sizeof(char));
dest->str[0] = 0;
}
break;
case MISDN_CTYPE_INT:
{
char *pat;
if (strchr(value,'x'))
pat="%x";
else
pat="%d";
if (sscanf(value, pat, &tmp)) {
dest->num = (int *)malloc(sizeof(int));
memcpy(dest->num, &tmp, sizeof(int));
} else
re = -1;
}
break;
case MISDN_CTYPE_BOOL:
dest->num = (int *)malloc(sizeof(int));
*(dest->num) = (ast_true(value) ? 1 : 0);
break;
case MISDN_CTYPE_BOOLINT:
dest->num = (int *)malloc(sizeof(int));
if (sscanf(value, "%d", &tmp)) {
memcpy(dest->num, &tmp, sizeof(int));
} else {
*(dest->num) = (ast_true(value) ? boolint_def : 0);
}
break;
case MISDN_CTYPE_MSNLIST:
for (valtmp = strsep(&value, ","); valtmp; valtmp = strsep(&value, ",")) {
if ((len = strlen(valtmp))) {
struct msn_list *ml = (struct msn_list *)malloc(sizeof(struct msn_list));
ml->msn = (char *)calloc(len+1, sizeof(char));
strncpy(ml->msn, valtmp, len);
ml->next = dest->ml;
dest->ml = ml;
}
}
break;
case MISDN_CTYPE_ASTGROUP:
dest->grp = (ast_group_t *)malloc(sizeof(ast_group_t));
*(dest->grp) = ast_get_group(value);
break;
}
return re;
}
static void _build_general_config (struct ast_variable *v)
{
int pos;
for (; v; v = v->next) {
if (((pos = get_cfg_position(v->name, GEN_CFG)) < 0) ||
(_parse(&general_cfg[pos], v->value, gen_spec[pos].type, gen_spec[pos].boolint_def) < 0))
CLI_ERROR(v->name, v->value, "general");
}
}
static void _build_port_config (struct ast_variable *v, char *cat)
{
int pos, i;
union misdn_cfg_pt cfg_tmp[NUM_PORT_ELEMENTS];
int cfg_for_ports[max_ports + 1];
if (!v || !cat)
return;
memset(cfg_tmp, 0, sizeof(cfg_tmp));
memset(cfg_for_ports, 0, sizeof(cfg_for_ports));
if (!strcasecmp(cat, "default")) {
cfg_for_ports[0] = 1;
}
if (((pos = get_cfg_position("name", PORT_CFG)) < 0) ||
(_parse(&cfg_tmp[pos], cat, port_spec[pos].type, port_spec[pos].boolint_def) < 0)) {
CLI_ERROR(v->name, v->value, cat);
return;
}
for (; v; v = v->next) {
if (!strcasecmp(v->name, "ports")) {
char *token;
char ptpbuf[BUFFERSIZE] = "";
int start, end;
for (token = strsep(&v->value, ","); token; token = strsep(&v->value, ","), *ptpbuf = 0) {
if (!*token)
continue;
if (sscanf(token, "%d-%d%s", &start, &end, ptpbuf) >= 2) {
for (; start <= end; start++) {
if (start <= max_ports && start > 0) {
cfg_for_ports[start] = 1;
ptp[start] = (strstr(ptpbuf, "ptp")) ? 1 : 0;
} else
CLI_ERROR(v->name, v->value, cat);
}
} else {
if (sscanf(token, "%d%s", &start, ptpbuf)) {
if (start <= max_ports && start > 0) {
cfg_for_ports[start] = 1;
ptp[start] = (strstr(ptpbuf, "ptp")) ? 1 : 0;
} else
CLI_ERROR(v->name, v->value, cat);
} else
CLI_ERROR(v->name, v->value, cat);
}
}
} else {
if (((pos = get_cfg_position(v->name, PORT_CFG)) < 0) ||
(_parse(&cfg_tmp[pos], v->value, port_spec[pos].type, port_spec[pos].boolint_def) < 0))
CLI_ERROR(v->name, v->value, cat);
}
}
for (i = 0; i < (max_ports + 1); ++i) {
if (cfg_for_ports[i]) {
memcpy(port_cfg[i], cfg_tmp, sizeof(cfg_tmp));
}
}
}
void misdn_cfg_update_ptp (void)
{
char misdn_init[BUFFERSIZE];
char line[BUFFERSIZE];
FILE *fp;
char *tok, *p, *end;
int port;
misdn_cfg_get(0, MISDN_GEN_MISDN_INIT, &misdn_init, sizeof(misdn_init));
if (misdn_init) {
fp = fopen(misdn_init, "r");
if (fp) {
while(fgets(line, sizeof(line), fp)) {
if (!strncmp(line, "nt_ptp", 6)) {
for (tok = strtok_r(line,",=", &p);
tok;
tok = strtok_r(NULL,",=", &p)) {
port = strtol(tok, &end, 10);
if (end != tok && misdn_cfg_is_port_valid(port)) {
misdn_cfg_lock();
ptp[port] = 1;
misdn_cfg_unlock();
}
}
}
}
fclose(fp);
} else {
ast_log(LOG_WARNING,"Couldn't open %s: %s\n", misdn_init, strerror(errno));
}
}
}
static void _fill_defaults (void)
{
int i;
for (i = 0; i < NUM_PORT_ELEMENTS; ++i) {
if (!port_cfg[0][i].any && strcasecmp(port_spec[i].def, NO_DEFAULT))
_parse(&(port_cfg[0][i]), (char *)port_spec[i].def, port_spec[i].type, port_spec[i].boolint_def);
}
for (i = 0; i < NUM_GEN_ELEMENTS; ++i) {
if (!general_cfg[i].any && strcasecmp(gen_spec[i].def, NO_DEFAULT))
_parse(&(general_cfg[i]), (char *)gen_spec[i].def, gen_spec[i].type, gen_spec[i].boolint_def);
}
}
void misdn_cfg_reload (void)
{
misdn_cfg_init (0);
}
void misdn_cfg_destroy (void)
{
misdn_cfg_lock();
_free_port_cfg();
_free_general_cfg();
free(port_cfg);
free(general_cfg);
free(ptp);
free(map);
misdn_cfg_unlock();
ast_mutex_destroy(&config_mutex);
}
int misdn_cfg_init (int this_max_ports)
{
char config[] = "misdn.conf";
char *cat, *p;
int i;
struct ast_config *cfg;
struct ast_variable *v;
if (!(cfg = AST_LOAD_CFG(config))) {
ast_log(LOG_WARNING, "missing file: misdn.conf\n");
return -1;
}
ast_mutex_init(&config_mutex);
misdn_cfg_lock();
if (this_max_ports) {
/* this is the first run */
max_ports = this_max_ports;
map = (int *)calloc(MISDN_GEN_LAST + 1, sizeof(int));
if (_enum_array_map())
return -1;
p = (char *)calloc(1, (max_ports + 1) * sizeof(union misdn_cfg_pt *)
+ (max_ports + 1) * NUM_PORT_ELEMENTS * sizeof(union misdn_cfg_pt));
port_cfg = (union misdn_cfg_pt **)p;
p += (max_ports + 1) * sizeof(union misdn_cfg_pt *);
for (i = 0; i <= max_ports; ++i) {
port_cfg[i] = (union misdn_cfg_pt *)p;
p += NUM_PORT_ELEMENTS * sizeof(union misdn_cfg_pt);
}
general_cfg = (union misdn_cfg_pt *)calloc(1, sizeof(union misdn_cfg_pt *) * NUM_GEN_ELEMENTS);
ptp = (int *)calloc(max_ports + 1, sizeof(int));
}
else {
/* misdn reload */
_free_port_cfg();
_free_general_cfg();
memset(port_cfg[0], 0, NUM_PORT_ELEMENTS * sizeof(union misdn_cfg_pt) * (max_ports + 1));
memset(general_cfg, 0, sizeof(union misdn_cfg_pt *) * NUM_GEN_ELEMENTS);
memset(ptp, 0, sizeof(int) * (max_ports + 1));
}
cat = ast_category_browse(cfg, NULL);
while(cat) {
v = ast_variable_browse(cfg, cat);
if (!strcasecmp(cat, "general")) {
_build_general_config(v);
} else {
_build_port_config(v, cat);
}
cat = ast_category_browse(cfg, cat);
}
_fill_defaults();
misdn_cfg_unlock();
AST_DESTROY_CFG(cfg);
return 0;
}
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