424 lines
12 KiB
C
424 lines
12 KiB
C
/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2009, Anthony Minessale II <anthm@freeswitch.org>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthm@freeswitch.org>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* mod_cdr_csv.c -- Asterisk Compatible CDR Module
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*
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*/
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#include <sys/stat.h>
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#include <switch.h>
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typedef enum {
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CDR_LEG_A = (1 << 0),
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CDR_LEG_B = (1 << 1)
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} cdr_leg_t;
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struct cdr_fd {
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int fd;
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char *path;
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int64_t bytes;
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switch_mutex_t *mutex;
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};
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typedef struct cdr_fd cdr_fd_t;
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const char *default_template =
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"\"${caller_id_name}\",\"${caller_id_number}\",\"${destination_number}\",\"${context}\",\"${start_stamp}\","
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"\"${answer_stamp}\",\"${end_stamp}\",\"${duration}\",\"${billsec}\",\"${hangup_cause}\",\"${uuid}\",\"${bleg_uuid}\", \"${accountcode}\"\n";
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static struct {
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switch_memory_pool_t *pool;
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switch_hash_t *fd_hash;
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switch_hash_t *template_hash;
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char *log_dir;
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char *default_template;
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int shutdown;
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int rotate;
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int debug;
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cdr_leg_t legs;
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} globals;
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SWITCH_MODULE_LOAD_FUNCTION(mod_cdr_csv_load);
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SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_cdr_csv_shutdown);
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SWITCH_MODULE_DEFINITION(mod_cdr_csv, mod_cdr_csv_load, mod_cdr_csv_shutdown, NULL);
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static off_t fd_size(int fd)
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{
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struct stat s = { 0 };
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fstat(fd, &s);
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return s.st_size;
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}
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static void do_reopen(cdr_fd_t *fd)
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{
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int x = 0;
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if (fd->fd > -1) {
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close(fd->fd);
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fd->fd = -1;
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}
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for (x = 0; x < 10; x++) {
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if ((fd->fd = open(fd->path, O_WRONLY | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR)) > -1) {
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fd->bytes = fd_size(fd->fd);
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break;
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}
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switch_yield(100000);
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}
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}
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static void do_rotate(cdr_fd_t *fd)
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{
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switch_time_exp_t tm;
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char date[80] = "";
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switch_size_t retsize;
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char *p;
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size_t len;
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close(fd->fd);
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fd->fd = -1;
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if (globals.rotate) {
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switch_time_exp_lt(&tm, switch_micro_time_now());
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switch_strftime_nocheck(date, &retsize, sizeof(date), "%Y-%m-%d-%H-%M-%S", &tm);
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len = strlen(fd->path) + strlen(date) + 2;
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p = switch_mprintf("%s.%s", fd->path, date);
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assert(p);
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switch_file_rename(fd->path, p, globals.pool);
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free(p);
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}
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do_reopen(fd);
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if (fd->fd < 0) {
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switch_event_t *event;
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error opening %s\n", fd->path);
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if (switch_event_create(&event, SWITCH_EVENT_TRAP) == SWITCH_STATUS_SUCCESS) {
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Critical-Error", "Error opening cdr file %s\n", fd->path);
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switch_event_fire(&event);
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}
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} else {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "%s CDR logfile %s\n", globals.rotate ? "Rotated" : "Re-opened", fd->path);
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}
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}
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static void write_cdr(const char *path, const char *log_line)
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{
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cdr_fd_t *fd = NULL;
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unsigned int bytes_in, bytes_out;
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if (!(fd = switch_core_hash_find(globals.fd_hash, path))) {
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fd = switch_core_alloc(globals.pool, sizeof(*fd));
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switch_assert(fd);
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memset(fd, 0, sizeof(*fd));
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fd->fd = -1;
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switch_mutex_init(&fd->mutex, SWITCH_MUTEX_NESTED, globals.pool);
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fd->path = switch_core_strdup(globals.pool, path);
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switch_core_hash_insert(globals.fd_hash, path, fd);
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}
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switch_mutex_lock(fd->mutex);
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bytes_out = (unsigned) strlen(log_line);
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if (fd->fd < 0) {
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do_reopen(fd);
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if (fd->fd < 0) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening %s\n", path);
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goto end;
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}
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}
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if (fd->bytes + bytes_out > UINT_MAX) {
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do_rotate(fd);
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}
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if ((bytes_in = write(fd->fd, log_line, bytes_out)) != bytes_out) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Write error to file %s %d/%d\n", path, (int) bytes_in, (int) bytes_out);
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}
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fd->bytes += bytes_in;
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end:
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switch_mutex_unlock(fd->mutex);
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}
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static switch_status_t my_on_reporting(switch_core_session_t *session)
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{
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switch_channel_t *channel = switch_core_session_get_channel(session);
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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const char *log_dir = NULL, *accountcode = NULL, *a_template_str = NULL, *g_template_str = NULL;
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char *log_line, *path = NULL;
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if (globals.shutdown) {
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return SWITCH_STATUS_SUCCESS;
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}
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if (!((globals.legs & CDR_LEG_A) && (globals.legs & CDR_LEG_B))) {
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if ((globals.legs & CDR_LEG_A)) {
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if (switch_channel_get_originator_caller_profile(channel)) {
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return SWITCH_STATUS_SUCCESS;
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}
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} else {
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if (switch_channel_get_originatee_caller_profile(channel)) {
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return SWITCH_STATUS_SUCCESS;
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}
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}
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}
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if (!(log_dir = switch_channel_get_variable(channel, "cdr_csv_base"))) {
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log_dir = globals.log_dir;
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}
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if (switch_dir_make_recursive(log_dir, SWITCH_DEFAULT_DIR_PERMS, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error creating %s\n", log_dir);
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return SWITCH_STATUS_FALSE;
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}
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if (globals.debug) {
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switch_event_t *event;
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if (switch_event_create_plain(&event, SWITCH_EVENT_CHANNEL_DATA) == SWITCH_STATUS_SUCCESS) {
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char *buf;
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switch_channel_event_set_data(channel, event);
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switch_event_serialize(event, &buf, SWITCH_FALSE);
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switch_assert(buf);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "CHANNEL_DATA:\n%s\n", buf);
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switch_event_destroy(&event);
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free(buf);
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}
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}
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g_template_str = (const char *) switch_core_hash_find(globals.template_hash, globals.default_template);
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if ((accountcode = switch_channel_get_variable(channel, "ACCOUNTCODE"))) {
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a_template_str = (const char *) switch_core_hash_find(globals.template_hash, accountcode);
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}
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if (!g_template_str) {
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g_template_str = "\"${accountcode}\",\"${caller_id_number}\",\"${destination_number}\",\"${context}\",\"${caller_id}\",\"${channel_name}\",\"${bridge_channel}\",\"${last_app}\",\"${last_arg}\",\"${start_stamp}\",\"${answer_stamp}\",\"${end_stamp}\",\"${duration}\",\"${billsec}\",\"${hangup_cause}\",\"${amaflags}\",\"${uuid}\",\"${userfield}\";";
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}
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if (!a_template_str) {
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a_template_str = g_template_str;
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}
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log_line = switch_channel_expand_variables(channel, a_template_str);
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if (accountcode) {
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path = switch_mprintf("%s%s%s.csv", log_dir, SWITCH_PATH_SEPARATOR, accountcode);
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assert(path);
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write_cdr(path, log_line);
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free(path);
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}
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if (g_template_str != a_template_str) {
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if (log_line != a_template_str) {
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switch_safe_free(log_line);
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}
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log_line = switch_channel_expand_variables(channel, g_template_str);
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}
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if (!log_line) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error creating cdr\n");
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return SWITCH_STATUS_FALSE;
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}
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path = switch_mprintf("%s%sMaster.csv", log_dir, SWITCH_PATH_SEPARATOR);
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assert(path);
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write_cdr(path, log_line);
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free(path);
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if (log_line != g_template_str) {
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free(log_line);
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}
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return status;
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}
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static void event_handler(switch_event_t *event)
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{
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const char *sig = switch_event_get_header(event, "Trapped-Signal");
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switch_hash_index_t *hi;
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void *val;
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cdr_fd_t *fd;
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if (globals.shutdown) {
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return;
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}
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if (sig && !strcmp(sig, "HUP")) {
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for (hi = switch_hash_first(NULL, globals.fd_hash); hi; hi = switch_hash_next(hi)) {
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switch_hash_this(hi, NULL, NULL, &val);
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fd = (cdr_fd_t *) val;
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switch_mutex_lock(fd->mutex);
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do_rotate(fd);
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switch_mutex_unlock(fd->mutex);
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}
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}
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}
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static switch_state_handler_table_t state_handlers = {
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/*.on_init */ NULL,
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/*.on_routing */ NULL,
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/*.on_execute */ NULL,
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/*.on_hangup */ NULL,
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/*.on_exchange_media */ NULL,
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/*.on_soft_execute */ NULL,
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/*.on_consume_media*/ NULL,
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/*.on_hibernate*/ NULL,
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/*.on_reset*/ NULL,
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/*.on_park*/ NULL,
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/*.on_reporting*/ my_on_reporting
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};
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static switch_status_t load_config(switch_memory_pool_t *pool)
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{
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char *cf = "cdr_csv.conf";
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switch_xml_t cfg, xml, settings, param;
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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memset(&globals, 0, sizeof(globals));
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switch_core_hash_init(&globals.fd_hash, pool);
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switch_core_hash_init(&globals.template_hash, pool);
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globals.pool = pool;
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switch_core_hash_insert(globals.template_hash, "default", default_template);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding default template.\n");
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globals.legs = CDR_LEG_A;
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if ((xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
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if ((settings = switch_xml_child(cfg, "settings"))) {
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for (param = switch_xml_child(settings, "param"); param; param = param->next) {
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char *var = (char *) switch_xml_attr_soft(param, "name");
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char *val = (char *) switch_xml_attr_soft(param, "value");
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if (!strcasecmp(var, "debug")) {
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globals.debug = switch_true(val);
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} else if (!strcasecmp(var, "legs")) {
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globals.legs = 0;
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if (strchr(val, 'a')) {
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globals.legs |= CDR_LEG_A;
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}
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if (strchr(val, 'b')) {
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globals.legs |= CDR_LEG_B;
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}
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} else if (!strcasecmp(var, "log-base")) {
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globals.log_dir = switch_core_sprintf(pool, "%s%scdr-csv", val, SWITCH_PATH_SEPARATOR);
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} else if (!strcasecmp(var, "rotate-on-hup")) {
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globals.rotate = switch_true(val);
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} else if (!strcasecmp(var, "default-template")) {
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globals.default_template = switch_core_strdup(pool, val);
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}
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}
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}
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if ((settings = switch_xml_child(cfg, "templates"))) {
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for (param = switch_xml_child(settings, "template"); param; param = param->next) {
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char *var = (char *) switch_xml_attr(param, "name");
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if (var) {
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char *tpl;
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size_t len = strlen(param->txt) + 2;
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if (end_of(param->txt) != '\n') {
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tpl = switch_core_alloc(pool, len);
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switch_snprintf(tpl, len, "%s\n", param->txt);
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} else {
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tpl = switch_core_strdup(pool, param->txt);
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}
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switch_core_hash_insert(globals.template_hash, var, tpl);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding template %s.\n", var);
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}
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}
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}
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switch_xml_free(xml);
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}
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if (switch_strlen_zero(globals.default_template)) {
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globals.default_template = switch_core_strdup(pool, "default");
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}
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if (!globals.log_dir) {
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globals.log_dir = switch_core_sprintf(pool, "%s%scdr-csv", SWITCH_GLOBAL_dirs.log_dir, SWITCH_PATH_SEPARATOR);
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}
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return status;
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}
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SWITCH_MODULE_LOAD_FUNCTION(mod_cdr_csv_load)
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{
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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if (switch_event_bind(modname, SWITCH_EVENT_TRAP, SWITCH_EVENT_SUBCLASS_ANY, event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
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return SWITCH_STATUS_GENERR;
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}
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switch_core_add_state_handler(&state_handlers);
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*module_interface = switch_loadable_module_create_module_interface(pool, modname);
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load_config(pool);
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if ((status = switch_dir_make_recursive(globals.log_dir, SWITCH_DEFAULT_DIR_PERMS, pool)) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error creating %s\n", globals.log_dir);
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}
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return status;
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}
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SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_cdr_csv_shutdown)
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{
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globals.shutdown = 1;
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switch_event_unbind_callback(event_handler);
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switch_core_remove_state_handler(&state_handlers);
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return SWITCH_STATUS_SUCCESS;
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}
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
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*/
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