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freeswitch/src/mod/applications/mod_lcr/mod_lcr.c
Raymond Chandler efb83b183c default to false instead of null
2011-08-14 17:23:58 -04:00

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71 KiB
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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2011, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Raymond Chandler <intralanman@gmail.com>
* Rupa Schomaker <rupa@rupa.com>
*
* mod_lcr.c -- Least Cost Routing Module
*
*/
#include <switch.h>
#define LCR_SYNTAX "lcr <digits> [<lcr profile>] [caller_id] [intrastate] [as xml]"
#define LCR_ADMIN_SYNTAX "lcr_admin show profiles"
#define LCR_HEADERS_COUNT 7
#define LCR_HEADERS_DIGITS 0
#define LCR_HEADERS_CARRIER 1
#define LCR_HEADERS_RATE 2
#define LCR_HEADERS_DIALSTRING 3
#define LCR_HEADERS_CODEC 4
#define LCR_HEADERS_CID 5
#define LCR_HEADERS_LIMIT 6
static char headers[LCR_HEADERS_COUNT][32] = {
"Digit Match",
"Carrier",
"Rate",
"Dialstring",
"Codec",
"CID Regexp",
"Limit",
};
/* sql for random function */
static char *db_random = NULL;
struct lcr_obj {
char *carrier_name;
char *gw_prefix;
char *gw_suffix;
char *digit_str;
char *prefix;
char *suffix;
char *dialstring;
float rate;
char *rate_str;
float user_rate;
char *user_rate_str;
size_t lstrip;
size_t tstrip;
size_t digit_len;
char *codec;
char *cid;
char *limit_realm;
char *limit_id;
int limit_max;
switch_event_t *fields;
struct lcr_obj *prev;
struct lcr_obj *next;
};
struct max_obj {
size_t carrier_name;
size_t digit_str;
size_t rate;
size_t codec;
size_t cid;
size_t dialstring;
size_t limit;
};
typedef struct lcr_obj lcr_obj_t;
typedef lcr_obj_t *lcr_route;
typedef struct max_obj max_obj_t;
typedef max_obj_t *max_len;
struct profile_obj {
char *name;
uint16_t id;
char *order_by;
char *custom_sql;
char *export_fields_str;
int export_fields_cnt;
char **export_fields;
char *limit_type;
switch_bool_t custom_sql_has_percent;
switch_bool_t custom_sql_has_vars;
switch_bool_t profile_has_intrastate;
switch_bool_t profile_has_intralata;
switch_bool_t profile_has_npanxx;
switch_bool_t reorder_by_rate;
switch_bool_t quote_in_list;
switch_bool_t info_in_headers;
switch_bool_t enable_sip_redir;
};
typedef struct profile_obj profile_t;
struct callback_obj {
lcr_route head;
switch_hash_t *dedup_hash;
int matches;
switch_memory_pool_t *pool;
char *lookup_number;
char *lrn_number;
char *cid;
switch_bool_t intrastate;
switch_bool_t intralata;
profile_t *profile;
switch_core_session_t *session;
switch_event_t *event;
float max_rate;
};
typedef struct callback_obj callback_t;
static struct {
switch_memory_pool_t *pool;
char *dbname;
char *odbc_dsn;
char *odbc_user;
char *odbc_pass;
switch_mutex_t *mutex;
switch_hash_t *profile_hash;
profile_t *default_profile;
void *filler1;
} globals;
SWITCH_MODULE_LOAD_FUNCTION(mod_lcr_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_lcr_shutdown);
SWITCH_MODULE_DEFINITION(mod_lcr, mod_lcr_load, mod_lcr_shutdown, NULL);
static void lcr_destroy(lcr_route route)
{
while(route) {
switch_event_destroy(&route->fields);
route=route->next;
}
}
static const char *do_cid(switch_memory_pool_t *pool, const char *cid, const char *number, switch_core_session_t *session)
{
switch_regex_t *re = NULL;
int proceed = 0, ovector[30];
char *substituted = NULL;
uint32_t len = 0;
char *src = NULL;
char *dst = NULL;
char *tmp_regex = NULL;
char *src_regex = NULL;
char *dst_regex = NULL;
switch_channel_t *channel = NULL;
if (!zstr(cid)) {
len = (uint32_t)strlen(cid);
} else {
goto done;
}
src = switch_core_strdup(pool, cid);
/* check that this is a valid regexp and split the string */
if ((src[0] == '/') && src[len-1] == '/') {
/* strip leading / trailing slashes */
src[len-1] = '\0';
src++;
/* break on first / */
dst = strchr(src, '/');
*dst = '\0';
dst++;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "src: %s, dst: %s\n", src, dst);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Not a valid regexp: %s\n", src);
goto done;
}
/* if a session is provided, check if the source part of the regex has any channel variables, then expand them */
if (session) {
channel = switch_core_session_get_channel(session);
switch_assert(channel);
if (switch_string_var_check_const(src) || switch_string_has_escaped_data(src)) {
tmp_regex = switch_channel_expand_variables(channel, src);
src_regex = switch_core_strdup(pool, tmp_regex);
switch_safe_free(tmp_regex);
src = src_regex;
}
if (switch_string_var_check_const(dst) || switch_string_has_escaped_data(dst)) {
tmp_regex = switch_channel_expand_variables(channel, dst);
dst_regex = switch_core_strdup(pool, tmp_regex);
switch_safe_free(tmp_regex);
dst = dst_regex;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "expanded src: %s, dst: %s\n", src, dst);
}
if ((proceed = switch_regex_perform(number, src, &re, ovector, sizeof(ovector) / sizeof(ovector[0])))) {
len = (uint32_t) (strlen(src) + strlen(dst) + 10) * proceed; /* guestimate size */
if (!(substituted = switch_core_alloc(pool, len))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Memory Error!\n");
goto done;
}
memset(substituted, 0, len);
switch_perform_substitution(re, proceed, dst, number, substituted, len, ovector);
} else {
goto done;
}
switch_regex_safe_free(re);
return substituted;
done:
switch_regex_safe_free(re);
return number;
}
static char *get_bridge_data(switch_memory_pool_t *pool, char *dialed_number, char *caller_id, lcr_route cur_route, profile_t *profile, switch_core_session_t *session)
{
size_t lstrip;
size_t tstrip;
char *data = NULL;
char *destination_number = NULL;
char *codec = NULL;
char *cid = NULL;
char *header = NULL;
char *user_rate = NULL;
char *export_fields = NULL;
destination_number = switch_core_strdup(pool, dialed_number);
tstrip = ((cur_route->digit_len - cur_route->tstrip) + 1);
lstrip = cur_route->lstrip;
if (cur_route->tstrip > 0) {
if (strlen(destination_number) > tstrip) {
destination_number[tstrip] = '\0';
}
else {
destination_number[0] = '\0';
}
}
if (cur_route->lstrip > 0) {
if (strlen(destination_number) > lstrip) {
destination_number += lstrip;
}
else {
destination_number[0] = '\0';
}
}
codec = "";
if (!zstr(cur_route->codec)) {
codec = switch_core_sprintf(pool, ",absolute_codec_string=%s", cur_route->codec);
}
cid = "";
if (!zstr(cur_route->cid)) {
cid = switch_core_sprintf(pool, ",origination_caller_id_number=%s",
do_cid(pool, cur_route->cid, caller_id, session));
}
header = "";
if (profile->info_in_headers) {
header = switch_core_sprintf(pool, ",sip_h_X-LCR-INFO=lcr_rate=%s;lcr_carrier=%s",
cur_route->rate_str,
cur_route->carrier_name);
}
if (zstr(cur_route->user_rate_str)) {
user_rate = "";
} else {
user_rate = switch_core_sprintf(pool, ",lcr_user_rate=%s", cur_route->user_rate_str);
}
export_fields = "";
if (profile->export_fields_cnt > 0) {
int i = 0;
char *val = NULL;
for (i = 0; i < profile->export_fields_cnt; i++) {
val = switch_event_get_header(cur_route->fields, profile->export_fields[i]);
if (val) {
export_fields = switch_core_sprintf(pool, "%s,%s=%s",
export_fields,
profile->export_fields[i],
val);
}
}
}
if (profile->enable_sip_redir) {
data = switch_core_sprintf(pool, "%s%s%s%s%s"
, cur_route->gw_prefix, cur_route->prefix
, destination_number, cur_route->suffix, cur_route->gw_suffix);
} else {
data = switch_core_sprintf(pool, "[lcr_carrier=%s,lcr_rate=%s%s%s%s%s%s]%s%s%s%s%s"
, cur_route->carrier_name, cur_route->rate_str
, user_rate, codec, cid, header, export_fields
, cur_route->gw_prefix, cur_route->prefix
, destination_number, cur_route->suffix, cur_route->gw_suffix);
}
if (session && (switch_string_var_check_const(data) || switch_string_has_escaped_data(data))) {
data = switch_channel_expand_variables(switch_core_session_get_channel(session), data);
}
if (session && (switch_string_var_check_const(data) || switch_string_has_escaped_data(data))) {
data = switch_channel_expand_variables(switch_core_session_get_channel(session), data);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Returning Dialstring %s\n", data);
return data;
}
static profile_t *locate_profile(const char *profile_name)
{
profile_t *profile = NULL;
if (zstr(profile_name)) {
profile = globals.default_profile;
} else if (!(profile = switch_core_hash_find(globals.profile_hash, profile_name))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error invalid profile %s\n", profile_name);
}
return profile;
}
static void init_max_lens(max_len maxes)
{
maxes->digit_str = (headers[LCR_HEADERS_DIGITS] == NULL ? 0 : strlen(headers[LCR_HEADERS_DIGITS]));
maxes->carrier_name = (headers[LCR_HEADERS_CARRIER] == NULL ? 0 : strlen(headers[LCR_HEADERS_CARRIER]));
maxes->dialstring = (headers[LCR_HEADERS_DIALSTRING] == NULL ? 0 : strlen(headers[LCR_HEADERS_DIALSTRING]));
maxes->rate = 8;
maxes->codec = (headers[LCR_HEADERS_CODEC] == NULL ? 0 : strlen(headers[LCR_HEADERS_CODEC]));
maxes->cid = (headers[LCR_HEADERS_CID] == NULL ? 0 : strlen(headers[LCR_HEADERS_CID]));
maxes->limit = (headers[LCR_HEADERS_LIMIT] == NULL ? 0 : strlen(headers[LCR_HEADERS_LIMIT]));
}
static switch_status_t process_max_lengths(max_obj_t *maxes, lcr_route routes, char *destination_number)
{
lcr_route current = NULL;
if (routes == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "no routes\n");
return SWITCH_STATUS_FALSE;
}
if (maxes == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "no maxes\n");
return SWITCH_STATUS_FALSE;
}
init_max_lens(maxes);
for (current = routes; current; current = current->next) {
size_t this_len;
if (current->carrier_name) {
this_len = strlen(current->carrier_name);
if (this_len > maxes->carrier_name) {
maxes->carrier_name = this_len;
}
}
if (current->dialstring) {
this_len = strlen(current->dialstring);
if (this_len > maxes->dialstring) {
maxes->dialstring = this_len;
}
}
if (current->digit_str) {
if (current->digit_len > maxes->digit_str) {
maxes->digit_str = current->digit_len;
}
}
if (current->rate_str) {
this_len = strlen(current->rate_str);
if (this_len > maxes->rate) {
maxes->rate = this_len;
}
}
if (current->codec) {
this_len= strlen(current->codec);
if (this_len > maxes->codec) {
maxes->codec = this_len;
}
}
if (current->cid) {
this_len = strlen(current->cid);
if (this_len > maxes->cid) {
maxes->cid = this_len;
}
}
if (current->limit_realm && current->limit_id) {
this_len = strlen(current->limit_realm) + strlen(current->limit_id) + 5;
if (this_len > maxes->limit) {
maxes->limit = this_len;
}
}
}
return SWITCH_STATUS_SUCCESS;
}
static switch_cache_db_handle_t *lcr_get_db_handle(void)
{
switch_cache_db_connection_options_t options = { {0} };
switch_cache_db_handle_t *dbh = NULL;
if (!zstr(globals.odbc_dsn)) {
options.odbc_options.dsn = globals.odbc_dsn;
options.odbc_options.user = globals.odbc_user;
options.odbc_options.pass = globals.odbc_pass;
if (switch_cache_db_get_db_handle(&dbh, SCDB_TYPE_ODBC, &options) != SWITCH_STATUS_SUCCESS) dbh = NULL;
}
return dbh;
}
static switch_bool_t db_check(char *sql)
{
switch_bool_t ret = SWITCH_FALSE;
switch_cache_db_handle_t *dbh = NULL;
if (globals.odbc_dsn && (dbh = lcr_get_db_handle())) {
if (switch_cache_db_execute_sql(dbh, sql, NULL) == SWITCH_STATUS_SUCCESS) {
ret = SWITCH_TRUE;
}
}
switch_cache_db_release_db_handle(&dbh);
return ret;
}
/* try each type of random until we suceed */
static switch_bool_t set_db_random()
{
if (db_check("SELECT rand();") == SWITCH_TRUE) {
db_random = "rand()";
return SWITCH_TRUE;
}
if (db_check("SELECT random();") == SWITCH_TRUE) {
db_random = "random()";
return SWITCH_TRUE;
}
return SWITCH_FALSE;
}
/* make a new string with digits only */
static char *string_digitsonly(switch_memory_pool_t *pool, const char *str)
{
char *p, *np, *newstr;
size_t len;
p = (char *)str;
len = strlen(str);
newstr = switch_core_alloc(pool, len+1);
np = newstr;
while(*p) {
if (switch_isdigit(*p)) {
*np = *p;
np++;
}
p++;
}
*np = '\0';
return newstr;
}
/* escape sql */
#ifdef _WAITING_FOR_ESCAPE
static char *escape_sql(const char *sql)
{
return switch_string_replace(sql, "'", "''");
}
#endif
/* expand the digits */
static char *expand_digits(switch_memory_pool_t *pool, char *digits, switch_bool_t quote)
{
switch_stream_handle_t dig_stream = { 0 };
char *ret;
char *digits_copy;
int n;
int digit_len;
SWITCH_STANDARD_STREAM(dig_stream);
digit_len = (int)strlen(digits);
digits_copy = switch_core_strdup(pool, digits);
for (n = digit_len; n > 0; n--) {
digits_copy[n] = '\0';
dig_stream.write_function(&dig_stream, "%s%s%s%s",
(n==digit_len ? "" : ", "),
(quote ? "'" : ""),
digits_copy,
(quote ? "'" : ""));
}
ret = switch_core_strdup(pool, dig_stream.data);
switch_safe_free(dig_stream.data);
return ret;
}
/* format the custom sql */
static char *format_custom_sql(const char *custom_sql, callback_t *cb_struct, const char *digits)
{
char * tmpSQL = NULL;
char * newSQL = NULL;
switch_channel_t *channel;
/* first replace %s with digits to maintain backward compat */
if (cb_struct->profile->custom_sql_has_percent == SWITCH_TRUE) {
tmpSQL = switch_string_replace(custom_sql, "%q", digits);
newSQL = tmpSQL;
}
/* expand the vars */
if (cb_struct->profile->custom_sql_has_vars == SWITCH_TRUE) {
if (cb_struct->session) {
channel = switch_core_session_get_channel(cb_struct->session);
switch_assert(channel);
/*
newSQL = switch_channel_expand_variables_escape(channel,
tmpSQL ? tmpSQL : custom_sql,
escape_sql);
*/
newSQL = switch_channel_expand_variables(channel,
tmpSQL ? tmpSQL : custom_sql);
} else if (cb_struct->event) {
/* use event system to expand vars */
newSQL = switch_event_expand_headers(cb_struct->event, tmpSQL ? tmpSQL : custom_sql);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_CRIT,
"mod_lcr called without a valid session while using a custom_sql that has channel variables.\n");
}
}
if (tmpSQL != newSQL) {
switch_safe_free(tmpSQL);
}
if (newSQL == NULL) {
return (char *) custom_sql;
} else {
return newSQL;
}
}
static switch_bool_t lcr_execute_sql_callback(char *sql, switch_core_db_callback_func_t callback, void *pdata)
{
switch_bool_t retval = SWITCH_FALSE;
switch_cache_db_handle_t *dbh = NULL;
if (globals.odbc_dsn && (dbh = lcr_get_db_handle())) {
if (switch_cache_db_execute_sql_callback(dbh, sql, callback, pdata, NULL) != SWITCH_STATUS_SUCCESS) {
retval = SWITCH_FALSE;
} else {
retval = SWITCH_TRUE;
}
}
switch_cache_db_release_db_handle(&dbh);
return retval;
}
/* CF = compare field */
#define CF(x) !strcmp(x, columnNames[i])
static int route_add_callback(void *pArg, int argc, char **argv, char **columnNames)
{
lcr_route additional = NULL;
lcr_route current = NULL;
callback_t *cbt = (callback_t *) pArg;
char *key = NULL;
int i = 0;
int r = 0;
switch_memory_pool_t *pool = cbt->pool;
additional = switch_core_alloc(pool, sizeof(lcr_obj_t));
switch_event_create(&additional->fields, SWITCH_EVENT_REQUEST_PARAMS);
for (i = 0; i < argc ; i++) {
if (CF("lcr_digits")) {
additional->digit_len = strlen(argv[i]);
additional->digit_str = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_prefix")) {
additional->prefix = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_suffix")) {
additional->suffix = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_carrier_name")) {
additional->carrier_name = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_rate_field")) {
if (!argv[i] || zstr(argv[i])) {
/* maybe we want to consider saying which carriers have null rate fields... maybe they can run the query and find out */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "rate field is null, skipping\n");
goto end;
}
additional->rate = (float)atof(switch_str_nil(argv[i]));
additional->rate_str = switch_core_sprintf(pool, "%0.5f", additional->rate);
} else if (CF("lcr_gw_prefix")) {
additional->gw_prefix = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_gw_suffix")) {
additional->gw_suffix = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_lead_strip")) {
additional->lstrip = atoi(switch_str_nil(argv[i]));
} else if (CF("lcr_trail_strip")) {
additional->tstrip = atoi(switch_str_nil(argv[i]));
} else if (CF("lcr_codec")) {
additional->codec = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_cid")) {
additional->cid = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_user_rate")) {
additional->user_rate = (float)atof(switch_str_nil(argv[i]));
additional->user_rate_str = switch_core_sprintf(pool, "%0.5f", additional->user_rate);
} else if (CF("lcr_limit_realm")) {
additional->limit_realm = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_limit_id")) {
additional->limit_id = switch_core_strdup(pool, switch_str_nil(argv[i]));
} else if (CF("lcr_limit_max")) {
additional->limit_max = (float)atof(switch_str_nil(argv[i]));
}
/* add all fields to the fields event */
switch_event_add_header_string(additional->fields, SWITCH_STACK_BOTTOM, columnNames[i], argv[i]);
}
cbt->matches++;
additional->dialstring = get_bridge_data(pool, cbt->lookup_number, cbt->cid, additional, cbt->profile, cbt->session);
if (cbt->head == NULL) {
key = switch_core_sprintf(pool, "%s:%s", additional->gw_prefix, additional->gw_suffix);
additional->next = cbt->head;
cbt->head = additional;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding %s to head of list\n", additional->carrier_name);
if (switch_core_hash_insert(cbt->dedup_hash, key, additional) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error inserting into dedup hash\n");
r = -1; goto end;
}
r = 0; goto end;
}
for (current = cbt->head; current; current = current->next) {
if (cbt->max_rate && (cbt->max_rate < additional->rate)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Skipping [%s] because [%f] is higher than the max_rate of [%f]\n",
additional->carrier_name, additional->rate, cbt->max_rate);
break;
}
key = switch_core_sprintf(pool, "%s:%s", additional->gw_prefix, additional->gw_suffix);
if (switch_core_hash_find(cbt->dedup_hash, key)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,
"Ignoring Duplicate route for termination point (%s)\n",
key);
break;
}
if (!cbt->profile->reorder_by_rate) {
/* use db order */
if (current->next == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding %s to end of list\n", additional->carrier_name);
current->next = additional;
additional->prev = current;
if (switch_core_hash_insert(cbt->dedup_hash, key, additional) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error inserting into dedup hash\n");
r = -1; goto end;
}
break;
}
} else {
if (current->rate > additional->rate) {
/* insert myself here */
if (current->prev != NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding %s before %s\n",
additional->carrier_name, current->carrier_name);
current->prev->next = additional;
} else {
/* put this one at the head */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Inserting %s to list head before %s\n",
additional->carrier_name, current->carrier_name);
cbt->head = additional;
}
additional->next = current;
current->prev = additional;
if (switch_core_hash_insert(cbt->dedup_hash, key, additional) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error inserting into dedup hash\n");
r = -1; goto end;
}
break;
} else if (current->next == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "adding %s to end of list after %s\n",
additional->carrier_name, current->carrier_name);
current->next = additional;
additional->prev = current;
if (switch_core_hash_insert(cbt->dedup_hash, key, additional) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error inserting into dedup hash\n");
r = -1; goto end;
}
break;
}
}
}
end:
/* event is freed in lcr_destroy() switch_event_destroy(&additional->fields); */
return r;
}
static int intrastatelata_callback(void *pArg, int argc, char **argv, char **columnNames)
{
int count = 0;
callback_t *cbt = (callback_t *) pArg;
count = atoi(argv[1]);
if (count == 1) {
if (!strcmp(argv[0], "state")) {
cbt->intrastate = SWITCH_TRUE;
} else if (!strcmp(argv[0], "lata")) {
cbt->intralata = SWITCH_TRUE;
}
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Type: %s, Count: %d\n", argv[0], count);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t is_intrastatelata(callback_t *cb_struct)
{
char *sql = NULL;
/* extract npa nxx - make some assumptions about format:
e164 format without the +
NANP only (so 11 digits starting with 1)
*/
if (!cb_struct->lookup_number || strlen(cb_struct->lookup_number) != 11 || *cb_struct->lookup_number != '1' ||
!switch_is_number(cb_struct->lookup_number)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG,
"%s doesn't appear to be a NANP number\n", cb_struct->lookup_number);
/* dest doesn't appear to be NANP number */
return SWITCH_STATUS_GENERR;
}
if (!cb_struct->cid || strlen(cb_struct->cid) != 11 || *cb_struct->cid != '1' || !switch_is_number(cb_struct->cid)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG,
"%s doesn't appear to be a NANP number\n", cb_struct->cid);
/* cid not NANP */
return SWITCH_STATUS_GENERR;
}
/* assume that if the area code (plus leading 1) are the same we're intrastate */
/* probably a bad assumption */
/*
if (!strncmp(cb_struct->lookup_number, cb_struct->cid, 4)) {
cb_struct->intrastate = SWITCH_TRUE;
return SWITCH_STATUS_SUCCESS;
}
*/
sql = switch_core_sprintf(cb_struct->pool,
"SELECT 'state', count(DISTINCT state) FROM npa_nxx_company_ocn WHERE (npa=%3.3s AND nxx=%3.3s) OR (npa=%3.3s AND nxx=%3.3s)"
" UNION "
"SELECT 'lata', count(DISTINCT lata) FROM npa_nxx_company_ocn WHERE (npa=%3.3s AND nxx=%3.3s) OR (npa=%3.3s AND nxx=%3.3s)",
cb_struct->lookup_number+1, cb_struct->lookup_number+4,
cb_struct->cid+1, cb_struct->cid+4,
cb_struct->lookup_number+1, cb_struct->lookup_number+4,
cb_struct->cid+1, cb_struct->cid+4);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG, "SQL: %s\n", sql);
return(lcr_execute_sql_callback(sql, intrastatelata_callback, cb_struct));
}
static switch_status_t lcr_do_lookup(callback_t *cb_struct)
{
switch_stream_handle_t sql_stream = { 0 };
char *digits = cb_struct->lookup_number;
char *digits_copy = NULL;
char *digits_expanded = NULL;
char *lrn_digits_expanded = NULL;
profile_t *profile = cb_struct->profile;
switch_bool_t lookup_status;
switch_channel_t *channel;
char *id_str;
char *safe_sql = NULL;
char *rate_field = NULL;
char *user_rate_field = NULL;
switch_assert(cb_struct->lookup_number != NULL);
digits_copy = string_digitsonly(cb_struct->pool, digits);
if (zstr(digits_copy)) {
return SWITCH_STATUS_GENERR;
}
/* allocate the dedup hash */
if (switch_core_hash_init(&cb_struct->dedup_hash, cb_struct->pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_ERROR, "Error initializing the dedup hash\n");
return SWITCH_STATUS_GENERR;
}
digits_expanded = expand_digits(cb_struct->pool, digits_copy, cb_struct->profile->quote_in_list);
if (cb_struct->lrn_number) {
lrn_digits_expanded = expand_digits(cb_struct->pool, cb_struct->lrn_number, cb_struct->profile->quote_in_list);
} else {
lrn_digits_expanded = switch_core_strdup(cb_struct->pool, digits_expanded);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG, "Has NPA NXX: [%u == %u]\n", profile->profile_has_npanxx, SWITCH_TRUE);
if (profile->profile_has_npanxx == SWITCH_TRUE) {
is_intrastatelata(cb_struct);
}
/* set our rate field based on env and profile */
if (cb_struct->intralata == SWITCH_TRUE && profile->profile_has_intralata == SWITCH_TRUE) {
rate_field = switch_core_strdup(cb_struct->pool, "intralata_rate");
user_rate_field = switch_core_strdup(cb_struct->pool, "user_intralata_rate");
} else if (cb_struct->intrastate == SWITCH_TRUE && profile->profile_has_intrastate == SWITCH_TRUE) {
rate_field = switch_core_strdup(cb_struct->pool, "intrastate_rate");
user_rate_field = switch_core_strdup(cb_struct->pool, "user_intrastate_rate");
} else {
rate_field = switch_core_strdup(cb_struct->pool, "rate");
user_rate_field = switch_core_strdup(cb_struct->pool, "user_rate");
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG, "intra routing [state:%d lata:%d] so rate field is [%s]\n",
cb_struct->intrastate, cb_struct->intralata, rate_field);
/* set some channel vars if we have a session */
if (cb_struct->session) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG, "we have a session\n");
if ((channel = switch_core_session_get_channel(cb_struct->session))) {
const char *max_rate = switch_channel_get_variable(channel, "max_rate");
if (!zstr(max_rate)) {
cb_struct->max_rate = atof(max_rate);
}
switch_channel_set_variable_var_check(channel, "lcr_rate_field", rate_field, SWITCH_FALSE);
switch_channel_set_variable_var_check(channel, "lcr_user_rate_field", user_rate_field, SWITCH_FALSE);
switch_channel_set_variable_var_check(channel, "lcr_query_digits", digits_copy, SWITCH_FALSE);
id_str = switch_core_sprintf(cb_struct->pool, "%d", cb_struct->profile->id);
switch_channel_set_variable_var_check(channel, "lcr_query_profile", id_str, SWITCH_FALSE);
switch_channel_set_variable_var_check(channel, "lcr_query_expanded_digits", digits_expanded, SWITCH_FALSE);
switch_channel_set_variable_var_check(channel, "lcr_query_expanded_lrn_digits", lrn_digits_expanded, SWITCH_FALSE);
if ( cb_struct->lrn_number ) {
switch_channel_set_variable_var_check(channel, "lcr_lrn", cb_struct->lrn_number, SWITCH_FALSE);
}
}
}
if (cb_struct->event) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG, "we have an event\n");
switch_event_add_header_string(cb_struct->event, SWITCH_STACK_BOTTOM, "lcr_rate_field", rate_field);
switch_event_add_header_string(cb_struct->event, SWITCH_STACK_BOTTOM, "lcr_user_rate_field", user_rate_field);
switch_event_add_header_string(cb_struct->event, SWITCH_STACK_BOTTOM, "lcr_query_digits", digits_copy);
id_str = switch_core_sprintf(cb_struct->pool, "%d", cb_struct->profile->id);
switch_event_add_header_string(cb_struct->event, SWITCH_STACK_BOTTOM, "lcr_query_profile", id_str);
switch_event_add_header_string(cb_struct->event, SWITCH_STACK_BOTTOM, "lcr_query_expanded_digits", digits_expanded);
switch_event_add_header_string(cb_struct->event, SWITCH_STACK_BOTTOM, "lcr_query_expanded_lrn_digits", lrn_digits_expanded);
if ( cb_struct->lrn_number ) {
switch_event_add_header_string(cb_struct->event, SWITCH_STACK_BOTTOM, "lcr_lrn", cb_struct->lrn_number);
}
}
/* set up the query to be executed */
/* format the custom_sql */
safe_sql = format_custom_sql(profile->custom_sql, cb_struct, digits_copy);
if (!safe_sql) {
switch_core_hash_destroy(&cb_struct->dedup_hash);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_ERROR, "Unable to format SQL\n");
return SWITCH_STATUS_GENERR;
}
SWITCH_STANDARD_STREAM(sql_stream);
sql_stream.write_function(&sql_stream, safe_sql);
if (safe_sql != profile->custom_sql) {
/* channel_expand_variables returned the same string to us, no need to free */
switch_safe_free(safe_sql);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(cb_struct->session), SWITCH_LOG_DEBUG, "SQL: %s\n", (char *)sql_stream.data);
lookup_status = lcr_execute_sql_callback((char *)sql_stream.data, route_add_callback, cb_struct);
switch_safe_free(sql_stream.data);
switch_core_hash_destroy(&cb_struct->dedup_hash);
if (lookup_status) {
return SWITCH_STATUS_SUCCESS;
} else {
return SWITCH_STATUS_GENERR;
}
}
static switch_bool_t test_profile(char *lcr_profile)
{
callback_t routes = { 0 };
switch_memory_pool_t *pool = NULL;
switch_event_t *event = NULL;
switch_core_new_memory_pool(&pool);
switch_event_create(&event, SWITCH_EVENT_MESSAGE);
routes.event = event;
routes.pool = pool;
if (!(routes.profile = locate_profile(lcr_profile))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown profile: %s\n", lcr_profile);
return SWITCH_FALSE;
}
routes.lookup_number = "15555551212";
routes.cid = "18005551212";
lcr_destroy(routes.head);
return (lcr_do_lookup(&routes) == SWITCH_STATUS_SUCCESS) ?
SWITCH_TRUE : SWITCH_FALSE;
}
static switch_status_t lcr_load_config()
{
char *cf = "lcr.conf";
switch_stream_handle_t sql_stream = { 0 };
switch_xml_t cfg, xml, settings, param, x_profile, x_profiles;
switch_status_t status = SWITCH_STATUS_SUCCESS;
profile_t *profile = NULL;
switch_cache_db_handle_t *dbh = NULL;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
return SWITCH_STATUS_TERM;
}
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = NULL;
char *val = NULL;
var = (char *) switch_xml_attr_soft(param, "name");
val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "odbc-dsn") && !zstr(val)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "odbc_dsn is %s\n", val);
switch_safe_free(globals.odbc_dsn);
globals.odbc_dsn = strdup(val);
if ((globals.odbc_user = strchr(globals.odbc_dsn, ':'))) {
*globals.odbc_user++ = '\0';
if ((globals.odbc_pass = strchr(globals.odbc_user, ':'))) {
*globals.odbc_pass++ = '\0';
}
}
}
}
}
/* initialize sql here, 'cause we need to verify custom_sql for each profile below */
if (globals.odbc_dsn) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG
, "dsn is \"%s\", user is \"%s\"\n"
, globals.odbc_dsn, globals.odbc_user
);
if (!(dbh = lcr_get_db_handle())) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open ODBC Database!\n");
switch_goto_status(SWITCH_STATUS_FALSE, done);
}
}
if (set_db_random() == SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Database RANDOM function set to %s\n", db_random);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to determine database RANDOM function\n");
};
switch_core_hash_init(&globals.profile_hash, globals.pool);
if ((x_profiles = switch_xml_child(cfg, "profiles"))) {
for (x_profile = switch_xml_child(x_profiles, "profile"); x_profile; x_profile = x_profile->next) {
char *name = (char *) switch_xml_attr_soft(x_profile, "name");
char *comma = ", ";
switch_stream_handle_t order_by = { 0 };
switch_stream_handle_t *thisorder = NULL;
char *reorder_by_rate = NULL;
char *quote_in_list = NULL;
char *info_in_headers = NULL;
char *enable_sip_redir = NULL;
char *id_s = NULL;
char *custom_sql = NULL;
char *export_fields = NULL;
char *limit_type = NULL;
int argc, x = 0;
char *argv[32] = { 0 };
SWITCH_STANDARD_STREAM(order_by);
for (param = switch_xml_child(x_profile, "param"); param; param = param->next) {
char *var, *val;
var = (char *) switch_xml_attr_soft(param, "name");
val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "order_by") && !zstr(val)) {
thisorder = &order_by;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "param val is %s\n", val);
if ((argc = switch_separate_string(val, ',', argv, (sizeof(argv) / sizeof(argv[0]))))) {
for (x=0; x<argc; x++) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "arg #%d/%d is %s\n", x, argc, argv[x]);
if (!zstr(argv[x])) {
if (!strcasecmp(argv[x], "quality")) {
thisorder->write_function(thisorder, "%s quality DESC", comma);
} else if (!strcasecmp(argv[x], "reliability")) {
thisorder->write_function(thisorder, "%s reliability DESC", comma);
} else if (!strcasecmp(argv[x], "rate")) {
thisorder->write_function(thisorder, "%s ${lcr_rate_field}", comma);
} else {
thisorder->write_function(thisorder, "%s %s", comma, argv[x]);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "arg #%d is empty\n", x);
}
}
} else {
if (!strcasecmp(val, "quality")) {
thisorder->write_function(thisorder, "%s quality DESC", comma);
} else if (!strcasecmp(val, "reliability")) {
thisorder->write_function(thisorder, "%s reliability DESC", comma);
} else {
thisorder->write_function(thisorder, "%s %s", comma, val);
}
}
} else if (!strcasecmp(var, "id") && !zstr(val)) {
id_s = val;
} else if (!strcasecmp(var, "custom_sql") && !zstr(val)) {
custom_sql = val;
} else if (!strcasecmp(var, "reorder_by_rate") && !zstr(val)) {
reorder_by_rate = val;
} else if (!strcasecmp(var, "info_in_headers") && !zstr(val)) {
info_in_headers = val;
} else if (!strcasecmp(var, "quote_in_list") && !zstr(val)) {
quote_in_list = val;
} else if (!strcasecmp(var, "export_fields") && !zstr(val)) {
export_fields = val;
} else if (!strcasecmp(var, "limit_type") && !zstr(val)) {
limit_type = val;
} else if (!strcasecmp(var, "enable_sip_redir") && !zstr(val)) {
enable_sip_redir = val;
}
}
if (zstr(name)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No name specified.\n");
} else {
profile = switch_core_alloc(globals.pool, sizeof(*profile));
memset(profile, 0, sizeof(profile_t));
profile->name = switch_core_strdup(globals.pool, name);
if (!zstr((char *)order_by.data)) {
profile->order_by = switch_core_strdup(globals.pool, (char *)order_by.data);
} else {
/* default to rate */
profile->order_by = ", ${lcr_rate_field}";
}
if (!zstr(id_s)) {
profile->id = (uint16_t)atoi(id_s);
}
/* SWITCH_STANDARD_STREAM doesn't use pools. but we only have to free sql_stream.data */
SWITCH_STANDARD_STREAM(sql_stream);
if (zstr(custom_sql)) {
/* use default sql */
/* Checking for codec field, adding if needed */
if (db_check("SELECT codec FROM carrier_gateway LIMIT 1") == SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "codec field defined.\n");
} else {
if (db_check("ALTER TABLE carrier_gateway add codec varchar(255);") == SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "adding codec field your lcr carrier_gateway database schema.\n");
} else {
return SWITCH_FALSE;
}
}
/* Checking for cid field, adding if needed */
if (db_check("SELECT cid FROM lcr LIMIT 1") == SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "cid field defined.\n");
} else {
if (db_check("ALTER TABLE lcr add cid varchar(32);") == SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "adding cid field to your lcr database schema.\n");
} else {
return SWITCH_FALSE;
}
}
if (db_check("SELECT lrn FROM lcr LIMIT 1") != SWITCH_TRUE) {
if (db_check("ALTER TABLE lcr ADD lrn BOOLEAN NOT NULL DEFAULT false")) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "adding lrn field to your lcr database schema.\n");
} else {
return SWITCH_FALSE;
}
}
sql_stream.write_function(&sql_stream,
"SELECT l.digits AS lcr_digits, c.carrier_name AS lcr_carrier_name, l.${lcr_rate_field} AS lcr_rate_field, \
cg.prefix AS lcr_gw_prefix, cg.suffix AS lcr_gw_suffix, l.lead_strip AS lcr_lead_strip, \
l.trail_strip AS lcr_trail_strip, l.prefix AS lcr_prefix, l.suffix AS lcr_suffix, \
cg.codec AS lcr_codec, l.cid AS lcr_cid ");
sql_stream.write_function(&sql_stream, "FROM lcr l JOIN carriers c ON l.carrier_id=c.id \
JOIN carrier_gateway cg ON c.id=cg.carrier_id \
WHERE c.enabled = '1' AND cg.enabled = '1' AND l.enabled = '1' AND (\
(digits IN (${lcr_query_expanded_digits}) AND lrn = false) OR \
(digits IN (${lcr_query_expanded_lrn_digits}) AND lrn = true)");
sql_stream.write_function(&sql_stream, ") AND CURRENT_TIMESTAMP BETWEEN date_start AND date_end ");
if (profile->id > 0) {
sql_stream.write_function(&sql_stream, "AND lcr_profile=%d ", profile->id);
}
sql_stream.write_function(&sql_stream, "ORDER BY digits DESC%s",
profile->order_by);
if (db_random) {
sql_stream.write_function(&sql_stream, ", %s", db_random);
}
sql_stream.write_function(&sql_stream, ";");
custom_sql = sql_stream.data;
}
profile->profile_has_intralata = db_check("SELECT intralata_rate FROM lcr LIMIT 1");
if (profile->profile_has_intralata != SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
"no \"intralata_rate\" field found in the \"lcr\" table, routing by intralata rates will be disabled until the field is added and mod_lcr is reloaded\n"
);
}
profile->profile_has_intrastate = db_check("SELECT intrastate_rate FROM lcr LIMIT 1");
if (profile->profile_has_intrastate != SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
"no \"intrastate_rate\" field found in the \"lcr\" table, routing by intrastate rates will be disabled until the field is added and mod_lcr is reloaded\n"
);
}
profile->profile_has_npanxx = db_check("SELECT npa, nxx, state FROM npa_nxx_company_ocn LIMIT 1");
if (profile->profile_has_npanxx != SWITCH_TRUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
"no \"npa_nxx_company_ocn\" table found in the \"lcr\" database, automatic intrastate detection will be disabled until the table is added and mod_lcr is reloaded\n"
);
}
if (switch_string_var_check_const(custom_sql) || switch_string_has_escaped_data(custom_sql)) {
profile->custom_sql_has_vars = SWITCH_TRUE;
}
if (strstr(custom_sql, "%")) {
profile->custom_sql_has_percent = SWITCH_TRUE;
}
profile->custom_sql = switch_core_strdup(globals.pool, (char *)custom_sql);
if (!zstr(reorder_by_rate)) {
profile->reorder_by_rate = switch_true(reorder_by_rate);
}
if (!zstr(info_in_headers)) {
profile->info_in_headers = switch_true(info_in_headers);
}
if (!zstr(enable_sip_redir)) {
profile->enable_sip_redir = switch_true(enable_sip_redir);
}
if (!zstr(quote_in_list)) {
profile->quote_in_list = switch_true(quote_in_list);
}
if (!zstr(export_fields)) {
int argc2 = 0;
char *argv2[50] = { 0 };
char **argvdup = NULL;
char *dup = switch_core_strdup(globals.pool, export_fields);
argc2 = switch_separate_string(dup, ',', argv2, (sizeof(argv2) / sizeof(argv2[0])));
profile->export_fields_str = switch_core_strdup(globals.pool, export_fields);
profile->export_fields_cnt = argc2;
argvdup = switch_core_alloc(globals.pool, sizeof(argv2));
memcpy(argvdup, argv2, sizeof(argv2));
profile->export_fields = argvdup;
}
if (!zstr(limit_type)) {
if (!strcasecmp(limit_type, "hash")) {
profile->limit_type = "hash";
} else {
profile->limit_type = "sql";
}
} else {
profile->limit_type = "sql";
}
switch_core_hash_insert(globals.profile_hash, profile->name, profile);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Loaded lcr profile %s.\n", profile->name);
/* test the profile */
if (profile->custom_sql_has_vars) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "custom_sql has channel vars, skipping verification and assuming valid profile: %s.\n", profile->name);
if (!strcasecmp(profile->name, "default")) {
globals.default_profile = profile;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Setting user defined default profile: %s.\n", profile->name);
}
} else if (test_profile(profile->name) == SWITCH_TRUE) {
if (!strcasecmp(profile->name, "default")) {
globals.default_profile = profile;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Setting user defined default profile: %s.\n", profile->name);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Removing INVALID Profile %s.\n", profile->name);
switch_core_hash_delete(globals.profile_hash, profile->name);
}
}
switch_safe_free(order_by.data);
switch_safe_free(sql_stream.data);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "No lcr profiles defined.\n");
}
/* define default profile */
if (!globals.default_profile) {
profile = switch_core_alloc(globals.pool, sizeof(*profile));
memset(profile, 0, sizeof(profile_t));
profile->name = "global_default";
profile->order_by = ", rate";
globals.default_profile = profile;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Setting system defined default profile.");
}
done:
switch_cache_db_release_db_handle(&dbh);
switch_xml_free(xml);
return status;
}
/* fake chan_lcr */
switch_endpoint_interface_t *lcr_endpoint_interface;
static switch_call_cause_t lcr_outgoing_channel(switch_core_session_t *session,
switch_event_t *var_event,
switch_caller_profile_t *outbound_profile,
switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags,
switch_call_cause_t *cancel_cause);
switch_io_routines_t lcr_io_routines = {
/*.outgoing_channel */ lcr_outgoing_channel
};
static switch_call_cause_t lcr_outgoing_channel(switch_core_session_t *session,
switch_event_t *var_event,
switch_caller_profile_t *outbound_profile,
switch_core_session_t **new_session, switch_memory_pool_t **new_pool, switch_originate_flag_t flags,
switch_call_cause_t *cancel_cause)
{
switch_call_cause_t cause = SWITCH_CAUSE_NONE;
char *dest = NULL;
switch_originate_flag_t myflags = SOF_NONE;
const char *cid_name_override = NULL;
const char *cid_num_override = NULL;
switch_channel_t *new_channel = NULL;
unsigned int timelimit = 60;
const char *skip, *var;
switch_memory_pool_t *pool = NULL;
callback_t routes = { 0 };
lcr_route cur_route = { 0 };
char *lcr_profile = NULL;
switch_event_t *event = NULL;
const char *intrastate = NULL;
const char *intralata = NULL;
switch_core_session_t *mysession = NULL;
switch_channel_t *channel = NULL;
dest = strdup(outbound_profile->destination_number);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Entering lcr endpoint for %s\n", dest);
if (!dest) {
goto done;
}
switch_core_new_memory_pool(&pool);
routes.pool = pool;
if (var_event && (skip = switch_event_get_header(var_event, "lcr_recurse_variables")) && switch_false(skip)) {
if ((var = switch_event_get_header(var_event, SWITCH_CALL_TIMEOUT_VARIABLE)) || (var = switch_event_get_header(var_event, "leg_timeout"))) {
timelimit = atoi(var);
}
var_event = NULL;
}
if (session) {
mysession = session;
channel = switch_core_session_get_channel(session);
if ((var = switch_channel_get_variable(channel, SWITCH_CALL_TIMEOUT_VARIABLE)) || (var = switch_event_get_header(var_event, "leg_timeout"))) {
timelimit = atoi(var);
}
routes.session = session;
intrastate = switch_channel_get_variable(channel, "intrastate");
intralata = switch_channel_get_variable(channel, "intralata");
cid_name_override = switch_channel_get_variable(channel, "origination_caller_id_name");
cid_num_override = switch_channel_get_variable(channel, "origination_caller_id_number");
if (zstr(cid_name_override)) {
cid_name_override = switch_channel_get_variable(channel, "effective_caller_id_name");
}
if (zstr(cid_num_override)) {
cid_num_override = switch_channel_get_variable(channel, "effective_caller_id_number");
}
if ((var = switch_channel_get_variable(channel, SWITCH_CALL_TIMEOUT_VARIABLE)) || (var = switch_event_get_header(var_event, "leg_timeout"))) {
timelimit = atoi(var);
}
} else if (var_event) {
char *session_uuid = switch_event_get_header(var_event, "ent_originate_aleg_uuid");
if (session_uuid) {
mysession = switch_core_session_locate(session_uuid);
}
cid_name_override = switch_event_get_header(var_event, "origination_caller_id_name");
cid_num_override = switch_event_get_header(var_event, "origination_caller_id_number");
if (zstr(cid_name_override)) {
cid_name_override = switch_event_get_header(var_event, "effective_caller_id_name");
}
if (zstr(cid_num_override)) {
cid_num_override = switch_event_get_header(var_event, "caller_id_number");
}
if ((var = switch_event_get_header(var_event, SWITCH_CALL_TIMEOUT_VARIABLE)) || (var = switch_event_get_header(var_event, "leg_timeout"))) {
timelimit = atoi(var);
}
intrastate = switch_event_get_header(var_event, "intrastate");
intralata = switch_event_get_header(var_event, "intralata");
//switch_event_dup(&event, var_event);
routes.event = var_event;
} else {
switch_event_create(&event, SWITCH_EVENT_MESSAGE);
routes.event = event;
}
routes.lookup_number = dest;
routes.cid = (char *) cid_num_override;
if ((flags & SOF_FORKED_DIAL)) {
myflags |= SOF_NOBLOCK;
}
if (!(routes.profile = locate_profile(lcr_profile))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown profile: %s\n", lcr_profile);
goto done;
}
if (!zstr(intralata) && !strcasecmp((char *)intralata, "true")) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Select routes based on intralata rates\n");
routes.intralata = SWITCH_FALSE;
} else if (!zstr(intrastate) && !strcasecmp((char *)intrastate, "true")) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Select routes based on intrastate rates\n");
routes.intrastate = SWITCH_TRUE;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Select routes based on interstate rates\n");
routes.intrastate = SWITCH_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "LCR Lookup on %s\n", dest);
if (lcr_do_lookup(&routes) == SWITCH_STATUS_SUCCESS) {
if (channel) {
if (zstr(switch_channel_get_variable(channel, "import"))) {
switch_channel_set_variable(channel, "import", "lcr_carrier,lcr_rate,lcr_user_rate");
} else {
const char *tmp = switch_channel_get_variable(channel, "import");
if (!strstr(tmp, "lcr_carrier,lcr_rate,lcr_user_rate")) {
switch_channel_set_variable_printf(channel, "import", "%s,lcr_carrier,lcr_rate,lcr_user_rate", tmp);
}
}
}
for (cur_route = routes.head; cur_route; cur_route = cur_route->next) {
switch_bool_t pop_limit = SWITCH_FALSE;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Trying route: %s\n", cur_route->dialstring);
if (mysession && cur_route->limit_realm && cur_route->limit_id) {
if (switch_limit_incr(routes.profile->limit_type, mysession, cur_route->limit_realm, cur_route->limit_id, cur_route->limit_max, 0) == SWITCH_STATUS_SUCCESS) {
pop_limit = SWITCH_TRUE;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Limit exceeded for route %s, session: %s\n", cur_route->dialstring, mysession ? "true" : "false");
continue;
}
}
if (switch_ivr_originate(session, new_session, &cause, cur_route->dialstring, timelimit, NULL,
cid_name_override, cid_num_override, NULL, var_event, myflags, cancel_cause) == SWITCH_STATUS_SUCCESS) {
const char *context;
switch_caller_profile_t *cp;
new_channel = switch_core_session_get_channel(*new_session);
if ((context = switch_channel_get_variable(new_channel, "lcr_context"))) {
if ((cp = switch_channel_get_caller_profile(new_channel))) {
cp->context = switch_core_strdup(cp->pool, context);
}
}
switch_core_session_rwunlock(*new_session);
break;
}
/* did not connect, release limit */
if (pop_limit) {
switch_limit_release(routes.profile->limit_type, mysession, cur_route->limit_realm, cur_route->limit_id);
}
if (cause == SWITCH_CAUSE_LOSE_RACE || cause == SWITCH_CAUSE_ORIGINATOR_CANCEL) {
break;
}
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "LCR lookup failed for %s\n", dest);
}
done:
if (event) {
switch_event_destroy(&event);
}
if (mysession) {
switch_core_session_rwunlock(mysession);
}
lcr_destroy(routes.head);
switch_core_destroy_memory_pool(&pool);
switch_safe_free(dest);
if (cause == SWITCH_CAUSE_NONE) {
cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
return cause;
}
SWITCH_STANDARD_DIALPLAN(lcr_dialplan_hunt)
{
switch_caller_extension_t *extension = NULL;
switch_channel_t *channel = switch_core_session_get_channel(session);
callback_t routes = { 0 };
lcr_route cur_route = { 0 };
switch_memory_pool_t *pool = NULL;
switch_event_t *event = NULL;
const char *intrastate = NULL;
const char *intralata = NULL;
const char *lrn = NULL;
if (session) {
pool = switch_core_session_get_pool(session);
routes.session = session;
} else {
switch_core_new_memory_pool(&pool);
switch_event_create(&event, SWITCH_EVENT_MESSAGE);
routes.event = event;
}
routes.pool = pool;
intrastate = switch_channel_get_variable(channel, "intrastate");
intralata = switch_channel_get_variable(channel, "intralata");
lrn = switch_channel_get_variable(channel, "lrn");
routes.lrn_number = (char *) lrn;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "intrastate channel var is [%s]\n", intrastate);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "intralata channel var is [%s]\n", intralata);
if (!zstr(intralata) && !strcasecmp((char *)intralata, "true")) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Select routes based on intralata rates\n");
routes.intralata = SWITCH_FALSE;
} else if (!zstr(intrastate) && !strcasecmp((char *)intrastate, "true")) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Select routes based on intrastate rates\n");
routes.intrastate = SWITCH_TRUE;
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Select routes based on interstate rates\n");
routes.intrastate = SWITCH_FALSE;
}
if (!caller_profile) {
caller_profile = switch_channel_get_caller_profile(channel);
}
if (!(routes.profile = locate_profile(caller_profile->context))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Unknown profile: %s\n", caller_profile->context);
goto end;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "LCR Lookup on %s using profile %s\n", caller_profile->destination_number, caller_profile->context);
routes.lookup_number = caller_profile->destination_number;
routes.cid = (char *) caller_profile->caller_id_number;
if (lcr_do_lookup(&routes) == SWITCH_STATUS_SUCCESS) {
if ((extension = switch_caller_extension_new(session, caller_profile->destination_number, caller_profile->destination_number)) == 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "memory error!\n");
goto end;
}
switch_channel_set_variable(channel, SWITCH_CONTINUE_ON_FAILURE_VARIABLE, "true");
switch_channel_set_variable(channel, SWITCH_HANGUP_AFTER_BRIDGE_VARIABLE, "true");
if (zstr(switch_channel_get_variable(channel, "import"))) {
switch_channel_set_variable(channel, "import", "lcr_carrier,lcr_rate,lcr_user_rate");
} else {
const char *tmp = switch_channel_get_variable(channel, "import");
if (!strstr(tmp, "lcr_carrier,lcr_rate,lcr_user_rate")) {
switch_channel_set_variable_printf(channel, "import", "%s,lcr_carrier,lcr_rate,lcr_user_rate", tmp);
}
}
for (cur_route = routes.head; cur_route; cur_route = cur_route->next) {
char *app = NULL;
char *argc = NULL;
if (cur_route->limit_realm && cur_route->limit_id) {
app = "limit_execute";
argc = switch_core_sprintf(pool, "%s %s %s %d bridge %s",
routes.profile->limit_type,
cur_route->limit_realm,
cur_route->limit_id,
cur_route->limit_max,
cur_route->dialstring);
} else {
app = "bridge";
argc = cur_route->dialstring;
}
switch_caller_extension_add_application(session, extension, app, argc);
}
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "LCR lookup failed for %s using profile %s\n", caller_profile->destination_number, caller_profile->context);
}
end:
lcr_destroy(routes.head);
if (event) {
switch_event_destroy(&event);
}
if (!session) {
switch_core_destroy_memory_pool(&pool);
}
return extension;
}
void str_repeat(size_t how_many, char *what, switch_stream_handle_t *str_stream)
{
size_t i;
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "repeating %d of '%s'\n", (int)how_many, what);*/
for (i=0; i<how_many; i++) {
str_stream->write_function(str_stream, "%s", what);
}
}
SWITCH_STANDARD_APP(lcr_app_function)
{
int argc = 0;
char *argv[32] = { 0 };
char *mydata = NULL;
char *dest = NULL;
char vbuf[1024] = "";
uint32_t cnt = 1;
char *lcr_profile = NULL;
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_caller_profile_t *caller_profile = NULL;
callback_t routes = { 0 };
lcr_route cur_route = { 0 };
switch_memory_pool_t *pool;
switch_event_t *event;
const char *intra = NULL;
const char *lrn = NULL;
if (!(mydata = switch_core_session_strdup(session, data))) {
return;
}
if (session) {
pool = switch_core_session_get_pool(session);
routes.session = session;
} else {
switch_core_new_memory_pool(&pool);
switch_event_create(&event, SWITCH_EVENT_MESSAGE);
routes.event = event;
}
routes.pool = pool;
lrn = switch_channel_get_variable(channel, "lrn");
routes.lrn_number = (char *) lrn;
intra = switch_channel_get_variable(channel, "intrastate");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "intrastate channel var is [%s]\n", zstr(intra) ? "undef" : intra);
if (zstr(intra) || strcasecmp((char *)intra, "true")) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Select routes based on interstate rates\n");
routes.intrastate = SWITCH_FALSE;
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Select routes based on intrastate rates\n");
routes.intrastate = SWITCH_TRUE;
}
if (!caller_profile) {
if (!(caller_profile = switch_channel_get_caller_profile(channel))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "Unable to locate caller_profile\n");
}
}
if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
dest = argv[0];
if (argc > 1) {
lcr_profile = argv[1];
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "LCR Lookup on %s using profile %s\n", dest, lcr_profile);
routes.lookup_number = dest;
if (caller_profile) {
routes.cid = (char *) switch_channel_get_variable(channel, "effective_caller_id_number");
if (!routes.cid) {
routes.cid = (char *) caller_profile->caller_id_number;
}
}
if (!(routes.profile = locate_profile(lcr_profile))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Unknown profile: %s\n", lcr_profile);
goto end;
}
if (lcr_do_lookup(&routes) == SWITCH_STATUS_SUCCESS) {
switch_stream_handle_t dig_stream = { 0 };
SWITCH_STANDARD_STREAM(dig_stream);
for (cur_route = routes.head; cur_route; cur_route = cur_route->next) {
switch_snprintf(vbuf, sizeof(vbuf), "lcr_route_%d", cnt);
switch_channel_set_variable(channel, vbuf, cur_route->dialstring);
switch_snprintf(vbuf, sizeof(vbuf), "lcr_rate_%d", cnt);
switch_channel_set_variable(channel, vbuf, cur_route->rate_str);
switch_snprintf(vbuf, sizeof(vbuf), "lcr_carrier_%d", cnt);
switch_channel_set_variable(channel, vbuf, cur_route->carrier_name);
switch_snprintf(vbuf, sizeof(vbuf), "lcr_codec_%d", cnt);
switch_channel_set_variable(channel, vbuf, cur_route->codec);
if (cur_route->next) {
if (routes.profile->enable_sip_redir) {
dig_stream.write_function(&dig_stream, "%s,", cur_route->dialstring);
} else {
dig_stream.write_function(&dig_stream, "%s|", cur_route->dialstring);
}
} else {
dig_stream.write_function(&dig_stream, "%s", cur_route->dialstring);
}
cnt++;
}
switch_snprintf(vbuf, sizeof(vbuf), "%d", cnt - 1);
switch_channel_set_variable(channel, "lcr_route_count", vbuf);
switch_channel_set_variable(channel, "lcr_auto_route", (char *)dig_stream.data);
if (zstr(switch_channel_get_variable(channel, "import"))) {
switch_channel_set_variable(channel, "import", "lcr_carrier,lcr_rate,lcr_user_rate");
} else {
const char *tmp = switch_channel_get_variable(channel, "import");
if (!strstr(tmp, "lcr_carrier,lcr_rate,lcr_user_rate")) {
switch_channel_set_variable_printf(channel, "import", "%s,lcr_carrier,lcr_rate,lcr_user_rate", tmp);
}
}
free(dig_stream.data);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "LCR lookup failed for %s\n", dest);
}
}
end:
lcr_destroy(routes.head);
if (routes.event) {
switch_event_destroy(&event);
}
if (!session) {
switch_core_destroy_memory_pool(&pool);
}
}
static void write_data(switch_stream_handle_t *stream, switch_bool_t as_xml, const char *key, const char *data, int indent, int maxlen) {
if (!data) {
data = "";
}
if (as_xml) {
str_repeat(indent*2, " ", stream);
stream->write_function(stream, "<%s>%s</%s>\n", key, data, key);
} else {
stream->write_function(stream, " | %s", data);
str_repeat((maxlen - strlen(data)), " ", stream);
}
}
SWITCH_STANDARD_API(dialplan_lcr_function)
{
char *argv[32] = { 0 };
int argc;
char *mydata = NULL;
char *lcr_profile = NULL;
lcr_route current = NULL;
max_obj_t maximum_lengths = { 0 };
callback_t cb_struct = { 0 };
switch_memory_pool_t *pool = NULL;
switch_event_t *event;
switch_status_t lookup_status = SWITCH_STATUS_SUCCESS;
switch_bool_t as_xml = SWITCH_FALSE;
char *event_str = NULL;
switch_xml_t event_xml = NULL;
int rowcount = 0;
if (zstr(cmd)) {
goto usage;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG
, "data passed to lcr is [%s]\n", cmd
);
if (session) {
pool = switch_core_session_get_pool(session);
cb_struct.session = session;
} else {
switch_core_new_memory_pool(&pool);
switch_event_create(&event, SWITCH_EVENT_MESSAGE);
cb_struct.event = event;
}
cb_struct.pool = pool;
mydata = switch_core_strdup(pool, cmd);
if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
switch_assert(argv[0] != NULL);
cb_struct.lookup_number = switch_core_strdup(pool, argv[0]);
if (argc > 1) {
lcr_profile = argv[1];
}
if (argc > 2) {
int i;
for (i = 2; i < argc; i++) {
if (!strcasecmp(argv[i], "intrastate")) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Select routes based on intrastate rates\n");
cb_struct.intrastate = SWITCH_TRUE;
} else if (!strcasecmp(argv[i], "lrn")) {
i++;
if (argv[i]) {
cb_struct.lrn_number = argv[i];
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "LRN number [%s]\n", cb_struct.lrn_number);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "you must pass a LRN number to use lrn\n");
}
} else if (!strcasecmp(argv[i], "as")) {
i++;
if (argv[i] && !strcasecmp(argv[i], "xml")) {
as_xml = SWITCH_TRUE;
} else {
goto usage;
}
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Set Caller ID to [%s]\n", argv[i]);
/* the only other option we have right now is caller id */
cb_struct.cid = switch_core_strdup(pool, argv[i]);
}
}
}
if (zstr(cb_struct.cid)) {
cb_struct.cid = "18005551212";
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING
, "Using default CID [%s]\n", cb_struct.cid
);
}
if (!(cb_struct.profile = locate_profile(lcr_profile))) {
stream->write_function(stream, "-ERR Unknown profile: %s\n", lcr_profile);
goto end;
}
lookup_status = lcr_do_lookup(&cb_struct);
if (cb_struct.head != NULL) {
size_t len;
if (as_xml) {
stream->write_function(stream, "<result>\n");
} else {
process_max_lengths(&maximum_lengths, cb_struct.head, cb_struct.lookup_number);
stream->write_function(stream, " | %s", headers[LCR_HEADERS_DIGITS]);
if ((len = (maximum_lengths.digit_str - strlen(headers[LCR_HEADERS_DIGITS]))) > 0) {
str_repeat(len, " ", stream);
}
stream->write_function(stream, " | %s", headers[LCR_HEADERS_CARRIER]);
if ((len = (maximum_lengths.carrier_name - strlen(headers[LCR_HEADERS_CARRIER]))) > 0) {
str_repeat(len, " ", stream);
}
stream->write_function(stream, " | %s", headers[LCR_HEADERS_RATE]);
if ((len = (maximum_lengths.rate - strlen(headers[LCR_HEADERS_RATE]))) > 0) {
str_repeat(len, " ", stream);
}
stream->write_function(stream, " | %s", headers[LCR_HEADERS_CODEC]);
if ((len = (maximum_lengths.codec - strlen(headers[LCR_HEADERS_CODEC]))) > 0) {
str_repeat(len, " ", stream);
}
stream->write_function(stream, " | %s", headers[LCR_HEADERS_CID]);
if ((len = (maximum_lengths.cid - strlen(headers[LCR_HEADERS_CID]))) > 0) {
str_repeat(len, " ", stream);
}
stream->write_function(stream, " | %s", headers[LCR_HEADERS_LIMIT]);
if ((len = (maximum_lengths.limit - strlen(headers[LCR_HEADERS_LIMIT]))) > 0) {
str_repeat(len, " ", stream);
}
stream->write_function(stream, " | %s", headers[LCR_HEADERS_DIALSTRING]);
if ((len = (maximum_lengths.dialstring - strlen(headers[LCR_HEADERS_DIALSTRING]))) > 0) {
str_repeat(len, " ", stream);
}
stream->write_function(stream, " |\n");
}
current = cb_struct.head;
while (current) {
//dialstring =
get_bridge_data(pool, cb_struct.lookup_number, cb_struct.cid, current, cb_struct.profile, cb_struct.session);
rowcount++;
if (as_xml) {
stream->write_function(stream, " <row id=\"%d\">\n", rowcount);
}
write_data(stream, as_xml, "prefix", current->digit_str, 2, maximum_lengths.digit_str);
write_data(stream, as_xml, "carrier_name", current->carrier_name, 2, maximum_lengths.carrier_name);
write_data(stream, as_xml, "rate", current->rate_str, 2, maximum_lengths.rate);
if (current->codec) {
write_data(stream, as_xml, "codec", current->codec, 2, maximum_lengths.codec);
} else {
write_data(stream, as_xml, "codec", "", 2, maximum_lengths.codec);
}
if (current->cid) {
write_data(stream, as_xml, "cid", current->cid, 2, maximum_lengths.cid);
} else {
write_data(stream, as_xml, "cid", "", 2, maximum_lengths.cid);
}
if (current->limit_realm && current->limit_id) {
char *str = NULL;
str = switch_core_sprintf(pool, "%s %s %d", current->limit_realm, current->limit_id, current->limit_max);
write_data(stream, as_xml, "limit", str, 2, maximum_lengths.limit);
} else {
write_data(stream, as_xml, "limit", "", 2, maximum_lengths.limit);
}
write_data(stream, as_xml, "dialstring", current->dialstring, 2, maximum_lengths.dialstring);
if (as_xml) {
event_xml = switch_event_xmlize(current->fields, SWITCH_VA_NONE);
event_str = switch_xml_toxml(event_xml, SWITCH_FALSE);
stream->write_function(stream, "%s", event_str);
switch_xml_free(event_xml);
switch_safe_free(event_str);
}
if (as_xml) {
stream->write_function(stream, " </row>\n");
} else {
stream->write_function(stream, " |\n");
}
current = current->next;
}
if (as_xml) {
stream->write_function(stream, "</result>\n");
}
} else {
if (lookup_status == SWITCH_STATUS_SUCCESS) {
if (as_xml) {
stream->write_function(stream, "<result row_count=\"0\">\n</results>\n");
} else {
stream->write_function(stream, "No Routes To Display\n");
}
} else {
stream->write_function(stream, "-ERR Error looking up routes\n");
}
}
}
end:
lcr_destroy(cb_struct.head);
if (!session) {
if (pool) {
switch_core_destroy_memory_pool(&pool);
}
}
return SWITCH_STATUS_SUCCESS;
usage:
stream->write_function(stream, "USAGE: %s\n", LCR_SYNTAX);
goto end;
}
SWITCH_STANDARD_API(dialplan_lcr_admin_function)
{
char *argv[32] = { 0 };
int argc;
char *mydata = NULL;
switch_hash_index_t *hi;
void *val;
profile_t *profile;
if (zstr(cmd)) {
goto usage;
}
mydata = strdup(cmd);
if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
if (argc < 2) {
goto usage;
}
switch_assert(argv[0]);
if (!strcasecmp(argv[0], "show") && !strcasecmp(argv[1], "profiles")) {
for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (profile_t *) val;
stream->write_function(stream, "Name:\t\t%s\n", profile->name);
if (zstr(profile->custom_sql)) {
stream->write_function(stream, " ID:\t\t%d\n", profile->id);
stream->write_function(stream, " order by:\t%s\n", profile->order_by);
} else {
stream->write_function(stream, " custom sql:\t%s\n", profile->custom_sql);
stream->write_function(stream, " has %%:\t\t%s\n", profile->custom_sql_has_percent ? "true" : "false");
stream->write_function(stream, " has vars:\t%s\n", profile->custom_sql_has_vars ? "true" : "false");
}
stream->write_function(stream, " has intrastate:\t%s\n", profile->profile_has_intrastate ? "true" : "false");
stream->write_function(stream, " has intralata:\t%s\n", profile->profile_has_intralata ? "true" : "false");
stream->write_function(stream, " has npanxx:\t%s\n", profile->profile_has_npanxx ? "true" : "false");
stream->write_function(stream, " Reorder rate:\t%s\n", profile->reorder_by_rate ? "enabled" : "disabled");
stream->write_function(stream, " Info in headers:\t%s\n", profile->info_in_headers ? "enabled" : "disabled");
stream->write_function(stream, " Quote IN() List:\t%s\n", profile->quote_in_list ? "enabled" : "disabled");
stream->write_function(stream, " Sip Redirection Mode:\t%s\n", profile->enable_sip_redir ? "enabled" : "disabled");
stream->write_function(stream, " Import fields:\t%s\n", profile->export_fields_str ? profile->export_fields_str : "(null)");
stream->write_function(stream, " Limit type:\t%s\n", profile->limit_type);
stream->write_function(stream, "\n");
}
} else {
goto usage;
}
}
switch_safe_free(mydata);
return SWITCH_STATUS_SUCCESS;
usage:
switch_safe_free(mydata);
stream->write_function(stream, "-ERR %s\n", LCR_ADMIN_SYNTAX);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_LOAD_FUNCTION(mod_lcr_load)
{
switch_api_interface_t *dialplan_lcr_api_interface;
switch_api_interface_t *dialplan_lcr_api_admin_interface;
switch_application_interface_t *app_interface;
switch_dialplan_interface_t *dp_interface;
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
if (!switch_odbc_available()) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "You must have ODBC support in FreeSWITCH to use this module\n");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "\t./configure --enable-core-odbc-support\n");
return SWITCH_STATUS_FALSE;
}
globals.pool = pool;
if (switch_mutex_init(&globals.mutex, SWITCH_MUTEX_NESTED, globals.pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "failed to initialize mutex\n");
}
if (lcr_load_config() != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to load lcr config file\n");
return SWITCH_STATUS_FALSE;
}
SWITCH_ADD_API(dialplan_lcr_api_interface, "lcr", "Least Cost Routing Module", dialplan_lcr_function, LCR_SYNTAX);
SWITCH_ADD_API(dialplan_lcr_api_admin_interface, "lcr_admin", "Least Cost Routing Module Admin", dialplan_lcr_admin_function, LCR_ADMIN_SYNTAX);
SWITCH_ADD_APP(app_interface, "lcr", "Perform an LCR lookup", "Perform an LCR lookup",
lcr_app_function, "<number>", SAF_SUPPORT_NOMEDIA | SAF_ROUTING_EXEC);
SWITCH_ADD_DIALPLAN(dp_interface, "lcr", lcr_dialplan_hunt);
lcr_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE);
lcr_endpoint_interface->interface_name = "lcr";
lcr_endpoint_interface->io_routines = &lcr_io_routines;
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_lcr_shutdown)
{
switch_core_hash_destroy(&globals.profile_hash);
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
*/
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