rename chan_misdn_config.c to misdn_config.c

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@9643 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 769 insertions, 0 deletions

diff --git a/channels/misdn_config.c b/channels/misdn_config.c
new file mode 100644
index 000000000..7feecbe38
--- /dev/null
+++ b/channels/misdn_config.c
@@ -0,0 +1,769 @@
+/*
+ * 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 <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;
+};
+
+static const struct misdn_cfg_spec port_spec[] = {
+	{ "name", MISDN_CFG_GROUPNAME, MISDN_CTYPE_STR, "default", NONE },
+	{ "rxgain", MISDN_CFG_RXGAIN, MISDN_CTYPE_INT, "0", NONE },
+	{ "txgain", MISDN_CFG_TXGAIN, MISDN_CTYPE_INT, "0", NONE },
+	{ "te_choose_channel", MISDN_CFG_TE_CHOOSE_CHANNEL, MISDN_CTYPE_BOOL, "no", NONE },
+	{ "context", MISDN_CFG_CONTEXT, MISDN_CTYPE_STR, "default", NONE },
+	{ "language", MISDN_CFG_LANGUAGE, MISDN_CTYPE_STR, "en", NONE },
+	{ "musicclass", MISDN_CFG_MUSICCLASS, MISDN_CTYPE_STR, "default", NONE },
+	{ "callerid", MISDN_CFG_CALLERID, MISDN_CTYPE_STR, "", NONE },
+	{ "method", MISDN_CFG_METHOD, MISDN_CTYPE_STR, "standard", NONE },
+	{ "dialplan", MISDN_CFG_DIALPLAN, MISDN_CTYPE_INT, "0", NONE },
+	{ "localdialplan", MISDN_CFG_LOCALDIALPLAN, MISDN_CTYPE_INT, "0", NONE },
+	{ "nationalprefix", MISDN_CFG_NATPREFIX, MISDN_CTYPE_STR, "0", NONE },
+	{ "internationalprefix", MISDN_CFG_INTERNATPREFIX, MISDN_CTYPE_STR, "00", NONE },
+	{ "presentation", MISDN_CFG_PRES, MISDN_CTYPE_INT, "-1", NONE },
+	{ "screen", MISDN_CFG_SCREEN, MISDN_CTYPE_INT, "-1", NONE },
+	{ "always_immediate", MISDN_CFG_ALWAYS_IMMEDIATE, MISDN_CTYPE_BOOL, "no", NONE },
+	{ "immediate", MISDN_CFG_IMMEDIATE, MISDN_CTYPE_BOOL, "no", NONE },
+	{ "senddtmf", MISDN_CFG_SENDDTMF, MISDN_CTYPE_BOOL, "no", NONE },
+	{ "hold_allowed", MISDN_CFG_HOLD_ALLOWED, MISDN_CTYPE_BOOL, "no", NONE },
+	{ "early_bconnect", MISDN_CFG_EARLY_BCONNECT, MISDN_CTYPE_BOOL, "yes", NONE },
+	{ "echocancel", MISDN_CFG_ECHOCANCEL, MISDN_CTYPE_BOOLINT, "0", 128 },
+	{ "echocancelwhenbridged", MISDN_CFG_ECHOCANCELWHENBRIDGED, MISDN_CTYPE_BOOL, "no", NONE },
+	{ "echotraining", MISDN_CFG_ECHOTRAINING, MISDN_CTYPE_BOOLINT, "1", 1 },
+	{ "need_more_infos", MISDN_CFG_NEED_MORE_INFOS, MISDN_CTYPE_BOOL, "0", NONE },
+	{ "jitterbuffer", MISDN_CFG_JITTERBUFFER, MISDN_CTYPE_INT, "1000", NONE },
+	{ "jitterbuffer_upper_threshold", MISDN_CFG_JITTERBUFFER_UPPER_THRESHOLD, MISDN_CTYPE_INT, "600", NONE },
+	{ "callgroup", MISDN_CFG_CALLGROUP, MISDN_CTYPE_ASTGROUP, NO_DEFAULT, NONE },
+	{ "pickupgroup", MISDN_CFG_PICKUPGROUP, MISDN_CTYPE_ASTGROUP, NO_DEFAULT, NONE },
+	{ "msns", MISDN_CFG_MSNS, MISDN_CTYPE_MSNLIST, NO_DEFAULT, NONE }
+};
+
+static const struct misdn_cfg_spec gen_spec[] = {
+	{ "debug", MISDN_GEN_DEBUG, MISDN_CTYPE_INT, "0", NONE },
+	{ "misdn_init", MISDN_GEN_MISDN_INIT, MISDN_CTYPE_STR, "/etc/misdn-init.conf", NONE },
+	{ "tracefile", MISDN_GEN_TRACEFILE, MISDN_CTYPE_STR, "/var/log/misdn.trace", NONE },
+	{ "bridging", MISDN_GEN_BRIDGING, MISDN_CTYPE_BOOL, "yes", NONE },
+	{ "stop_tone_after_first_digit", MISDN_GEN_STOP_TONE, MISDN_CTYPE_BOOL, "yes", NONE },
+	{ "append_digits2exten", MISDN_GEN_APPEND_DIGITS2EXTEN, MISDN_CTYPE_BOOL, "yes", NONE },
+	{ "dynamic_crypt", MISDN_GEN_DYNAMIC_CRYPT, MISDN_CTYPE_BOOL, "no", NONE },
+	{ "crypt_prefix", MISDN_GEN_CRYPT_PREFIX, MISDN_CTYPE_STR, NO_DEFAULT, NONE },
+	{ "crypt_keys", MISDN_GEN_CRYPT_KEYS, MISDN_CTYPE_STR, NO_DEFAULT, NONE }
+};
+
+/* 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 void _enum_array_map (void)
+{
+	int i, j;
+
+	for (i = MISDN_CFG_FIRST + 1; i < MISDN_CFG_LAST; ++i) {
+		if (i == MISDN_CFG_PTP)
+			continue;
+		for (j = 0; j < NUM_PORT_ELEMENTS; ++j) {
+			if (port_spec[j].elem == i) {
+				map[i] = j;
+				break;
+			}
+		}
+	}
+	for (i = MISDN_GEN_FIRST + 1; i < MISDN_GEN_LAST; ++i) {
+		for (j = 0; j < NUM_GEN_ELEMENTS; ++j) {
+			if (gen_spec[j].elem == i) {
+				map[i] = j;
+				break;
+			}
+		}
+	}
+}
+
+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 + 1];
+	
+	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();
+}
+
+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][MISDN_CFG_MSNS-1].ml)
+		iter = port_cfg[port][MISDN_CFG_MSNS-1].ml;
+	else
+		iter = port_cfg[0][MISDN_CFG_MSNS-1].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)
+{
+	return (port >= 1 && port <= max_ports);
+}
+
+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:
+		if (sscanf(value, "%d", &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);
+}
+
+void 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,"no misdn.conf ?\n");
+		return;
+	}
+
+	misdn_cfg_lock();
+
+	if (this_max_ports) {
+		/* this is the first run */
+		max_ports = this_max_ports;
+		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));
+		map = (int *)calloc(MISDN_GEN_LAST + 1, sizeof(int));
+		_enum_array_map();
+	}
+	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);
+}