/* At this time, billing never succeeds if you don't have a database. */
static switch_bool_t bill_event(double billamount, const char *billaccount, switch_channel_t *channel)
{
char *sql = NULL, *dsql = NULL;
switch_status_t status = SWITCH_FALSE;
if (globals.custom_sql_save) {
if (switch_string_var_check_const(globals.custom_sql_save) || switch_string_has_escaped_data(globals.custom_sql_save)) {
switch_channel_set_variable_printf(channel, "nibble_bill", "%f", billamount, SWITCH_FALSE);
sql = switch_channel_expand_variables(channel, globals.custom_sql_save);
if (sql != globals.custom_sql_save) dsql = sql;
} else {
sql = globals.custom_sql_save;
}
} else {
sql = dsql = switch_mprintf("UPDATE %s SET %s=%s-%f WHERE %s='%s'", globals.db_table, globals.db_column_cash,
globals.db_column_cash, billamount, globals.db_column_account, billaccount);
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Doing update query\n[%s]\n", sql);
status = nibblebill_execute_sql_callback(sql, nibblebill_callback, NULL);
switch_safe_free(dsql);
return status;
}
static void tech_attach(private_t *tech_pvt, modem_t *modem)
{
tech_pvt->modem = modem;
switch_set_string(modem->uuid_str, switch_core_session_get_uuid(tech_pvt->session));
switch_channel_set_variable_printf(tech_pvt->channel, "modem_slot", "%d", modem->slot);
switch_channel_set_variable(tech_pvt->channel, "modem_devlink", modem->devlink);
switch_channel_set_variable(tech_pvt->channel, "modem_digits", modem->digits);
switch_channel_export_variable(tech_pvt->channel, "rtp_autoflush_during_bridge", "false", SWITCH_EXPORT_VARS_VARIABLE);
}
/* At this time, billing never succeeds if you don't have a database. */
static switch_status_t bill_event(double billamount, const char *billaccount, switch_channel_t *channel)
{
char *sql = NULL, *dsql = NULL;
switch_odbc_statement_handle_t stmt = NULL;
switch_status_t status = SWITCH_STATUS_FALSE;
if (!switch_odbc_available()) {
return status;
}
if (globals.custom_sql_save) {
if (switch_string_var_check_const(globals.custom_sql_save) || switch_string_has_escaped_data(globals.custom_sql_save)) {
switch_channel_set_variable_printf(channel, "nibble_bill", "%f", billamount, SWITCH_FALSE);
sql = switch_channel_expand_variables(channel, globals.custom_sql_save);
if (sql != globals.custom_sql_save) dsql = sql;
} else {
sql = globals.custom_sql_save;
}
} else {
sql = dsql = switch_mprintf("UPDATE %s SET %s=%s-%f WHERE %s='%s'", globals.db_table, globals.db_column_cash,
globals.db_column_cash, billamount, globals.db_column_account, billaccount);
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Doing update query\n[%s]\n", sql);
if (switch_odbc_handle_exec(globals.master_odbc, sql, &stmt, NULL) != SWITCH_ODBC_SUCCESS) {
char *err_str;
err_str = switch_odbc_handle_get_error(globals.master_odbc, stmt);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "ERR: [%s]\n[%s]\n", sql, switch_str_nil(err_str));
switch_safe_free(err_str);
} else {
status = SWITCH_STATUS_SUCCESS;
}
if (stmt) {
switch_odbc_statement_handle_free(&stmt);
}
switch_safe_free(dsql);
return status;
}
static switch_status_t process_hangup(switch_core_session_t *session)
{
const char* billaccount;
switch_channel_t *channel = NULL;
channel = switch_core_session_get_channel(session);
/* Resume any paused billings, just in case */
/* nibblebill_resume(session); */
/* Now go handle like normal billing */
do_billing(session);
billaccount = switch_channel_get_variable(channel, "nibble_account");
if (billaccount) {
switch_channel_set_variable_printf(channel, "nibble_current_balance", "%f", get_balance(billaccount, channel));
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_limit_incr(const char *backend, switch_core_session_t *session, const char *realm, const char *resource, const int max, const int interval) {
switch_limit_interface_t *limit = NULL;
switch_channel_t *channel = NULL;
int status = SWITCH_STATUS_SUCCESS;
if (session) {
channel = switch_core_session_get_channel(session);
}
/* locate impl, call appropriate func */
if (!(limit = get_backend(backend))) {
switch_limit_log(session, SWITCH_LOG_ERROR, "Limit subsystem %s not found!\n", backend);
switch_goto_status(SWITCH_STATUS_GENERR, end);
}
switch_limit_log(session, SWITCH_LOG_INFO, "incr called: %s_%s max:%d, interval:%d\n",
realm, resource, max, interval);
if ((status = limit->incr(session, realm, resource, max, interval)) == SWITCH_STATUS_SUCCESS) {
if (session) {
/* race condition? what if another leg is doing the same thing? */
const char *existing = switch_channel_get_variable(channel, LIMIT_BACKEND_VARIABLE);
if (existing) {
if (!strstr(existing, backend)) {
switch_channel_set_variable_printf(channel, LIMIT_BACKEND_VARIABLE, "%s,%s", existing, backend);
}
} else {
switch_channel_set_variable(channel, LIMIT_BACKEND_VARIABLE, backend);
switch_core_event_hook_add_state_change(session, limit_state_handler);
}
}
}
release_backend(limit);
end:
return status;
}
/* This is where we actually charge the guy
This can be called anytime a call is in progress or at the end of a call before the session is destroyed */
static switch_status_t do_billing(switch_core_session_t *session)
{
/* FS vars we will use */
switch_channel_t *channel;
switch_caller_profile_t *profile;
/* Local vars */
nibble_data_t *nibble_data;
switch_time_t ts = switch_micro_time_now();
double billamount;
char date[80] = "";
char *uuid;
switch_size_t retsize;
switch_time_exp_t tm;
const char *billrate;
const char *billincrement;
const char *billaccount;
double nobal_amt = globals.nobal_amt;
double lowbal_amt = globals.lowbal_amt;
double balance;
if (!session) {
/* Why are we here? */
return SWITCH_STATUS_SUCCESS;
}
uuid = switch_core_session_get_uuid(session);
/* Get channel var */
if (!(channel = switch_core_session_get_channel(session))) {
return SWITCH_STATUS_SUCCESS;
}
/* Variables kept in FS but relevant only to this module */
billrate = switch_channel_get_variable(channel, "nibble_rate");
billincrement = switch_channel_get_variable(channel, "nibble_increment");
billaccount = switch_channel_get_variable(channel, "nibble_account");
if (!zstr(switch_channel_get_variable(channel, "nobal_amt"))) {
nobal_amt = atof(switch_channel_get_variable(channel, "nobal_amt"));
}
if (!zstr(switch_channel_get_variable(channel, "lowbal_amt"))) {
lowbal_amt = atof(switch_channel_get_variable(channel, "lowbal_amt"));
}
/* Return if there's no billing information on this session */
if (!billrate || !billaccount) {
return SWITCH_STATUS_SUCCESS;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Attempting to bill at $%s per minute to account %s\n", billrate,
billaccount);
/* Get caller profile info from channel */
profile = switch_channel_get_caller_profile(channel);
if (!profile || !profile->times) {
/* No caller profile (why would this happen?) */
return SWITCH_STATUS_SUCCESS;
}
if (profile->times->answered < 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Not billing %s - call is not in answered state\n", billaccount);
/* See if this person has enough money left to continue the call */
balance = get_balance(billaccount, channel);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Comparing %f to hangup balance of %f\n", balance, nobal_amt);
if (balance <= nobal_amt) {
/* Not enough money - reroute call to nobal location */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Balance of %f fell below allowed amount of %f! (Account %s)\n",
balance, nobal_amt, billaccount);
transfer_call(session, globals.nobal_action);
}
return SWITCH_STATUS_SUCCESS;
}
/* Lock this session's data for this module while we tinker with it */
if (globals.mutex) {
switch_mutex_lock(globals.mutex);
}
/* Get our nibble data var. This will be NULL if it's our first call here for this session */
nibble_data = (nibble_data_t *) switch_channel_get_private(channel, "_nibble_data_");
/* Are we in paused mode? If so, we don't do anything here - go back! */
if (nibble_data && (nibble_data->pausets > 0)) {
if (globals.mutex) {
switch_mutex_unlock(globals.mutex);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Received heartbeat, but we're paused - ignoring\n");
return SWITCH_STATUS_SUCCESS;
}
/* Have we done any billing on this channel yet? If no, set up vars for doing so */
if (!nibble_data) {
nibble_data = switch_core_session_alloc(session, sizeof(*nibble_data));
memset(nibble_data, 0, sizeof(*nibble_data));
/* Setup new billing data (based on call answer time, in case this module started late with active calls) */
nibble_data->lastts = profile->times->answered; /* Set the initial answer time to match when the call was really answered */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Beginning new billing on %s\n", uuid);
}
switch_time_exp_lt(&tm, nibble_data->lastts);
switch_strftime_nocheck(date, &retsize, sizeof(date), "%Y-%m-%d %T", &tm);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%d seconds passed since last bill time of %s\n",
(int) ((ts - nibble_data->lastts) / 1000000), date);
if ((ts - nibble_data->lastts) >= 0) {
/* If billincrement is set we bill by it and not by time elapsed */
if (!(switch_strlen_zero(billincrement))) {
switch_time_t chargedunits = (ts - nibble_data->lastts) / 1000000 <= atol(billincrement) ? atol(billincrement) * 1000000 : (switch_time_t)(ceil((ts - nibble_data->lastts) / (atol(billincrement) * 1000000.0))) * atol(billincrement) * 1000000;
billamount = (atof(billrate) / 1000000 / 60) * chargedunits - nibble_data->bill_adjustments;
/* Account for the prepaid amount */
nibble_data->lastts += chargedunits;
} else {
/* Convert billrate into microseconds and multiply by # of microseconds that have passed since last *successful* bill */
billamount = (atof(billrate) / 1000000 / 60) * ((ts - nibble_data->lastts)) - nibble_data->bill_adjustments;
/* Update the last time we billed */
nibble_data->lastts = ts;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Billing $%f to %s (Call: %s / %f so far)\n", billamount, billaccount,
uuid, nibble_data->total);
/* DO ODBC BILLING HERE and reset counters if it's successful! */
if (bill_event(billamount, billaccount, channel) == SWITCH_STATUS_SUCCESS) {
/* Increment total cost */
nibble_data->total += billamount;
/* Reset manual billing adjustments from pausing */
nibble_data->bill_adjustments = 0;
/* Update channel variable with current billing */
switch_channel_set_variable_printf(channel, "nibble_total_billed", "%f", nibble_data->total);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "Failed to log to database!\n");
}
} else {
if (switch_strlen_zero(billincrement))
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "Just tried to bill %s negative minutes! That should be impossible.\n", uuid);
}
/* Save this location */
if (channel) {
switch_channel_set_private(channel, "_nibble_data_", nibble_data);
/* don't verify balance and transfer to nobal if we're done with call */
if (switch_channel_get_state(channel) != CS_REPORTING && switch_channel_get_state(channel) != CS_HANGUP) {
balance = get_balance(billaccount, channel);
/* See if we've achieved low balance */
if (!nibble_data->lowbal_action_executed && balance <= lowbal_amt) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Balance of %f fell below low balance amount of %f! (Account %s)\n",
balance, lowbal_amt, billaccount);
if (exec_app(session, globals.lowbal_action) != SWITCH_STATUS_SUCCESS)
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Low balance action didn't execute\n");
else
nibble_data->lowbal_action_executed = 1;
}
/* See if this person has enough money left to continue the call */
if (balance <= nobal_amt) {
/* Not enough money - reroute call to nobal location */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "Balance of %f fell below allowed amount of %f! (Account %s)\n",
balance, nobal_amt, billaccount);
/* IMPORTANT: Billing must be paused before the transfer occurs! This prevents infinite loops, since the transfer will result */
/* in nibblebill checking the call again in the routing process for an allowed balance! */
/* If you intend to give the user the option to re-up their balance, you must clear & resume billing once the balance is updated! */
nibblebill_pause(session);
transfer_call(session, globals.nobal_action);
}
}
}
/* Done changing - release lock */
if (globals.mutex) {
switch_mutex_unlock(globals.mutex);
}
/* Go check if this call is allowed to continue */
return SWITCH_STATUS_SUCCESS;
}
/**
* Start recording call
* @param session the session to record
* @param record the record component
*/
static int start_call_record(switch_core_session_t *session, struct rayo_component *component)
{
struct record_component *record_component = RECORD_COMPONENT(component);
switch_channel_t *channel = switch_core_session_get_channel(session);
int max_duration_sec = 0;
switch_channel_set_variable(channel, "RECORD_HANGUP_ON_ERROR", "false");
switch_channel_set_variable(channel, "RECORD_TOGGLE_ON_REPEAT", "");
switch_channel_set_variable(channel, "RECORD_CHECK_BRIDGE", "");
switch_channel_set_variable(channel, "RECORD_MIN_SEC", "0");
switch_channel_set_variable(channel, "RECORD_STEREO", "");
switch_channel_set_variable(channel, "RECORD_READ_ONLY", "");
switch_channel_set_variable(channel, "RECORD_WRITE_ONLY", "");
switch_channel_set_variable(channel, "RECORD_APPEND", "");
switch_channel_set_variable(channel, "RECORD_WRITE_OVER", "true");
switch_channel_set_variable(channel, "RECORD_ANSWER_REQ", "");
switch_channel_set_variable(channel, "RECORD_SILENCE_THRESHOLD", "200");
if (record_component->initial_timeout > 0) {
switch_channel_set_variable_printf(channel, "RECORD_INITIAL_TIMEOUT_MS", "%i", record_component->initial_timeout);
} else {
switch_channel_set_variable(channel, "RECORD_INITIAL_TIMEOUT_MS", "");
}
if (record_component->final_timeout > 0) {
switch_channel_set_variable_printf(channel, "RECORD_FINAL_TIMEOUT_MS", "%i", record_component->final_timeout);
} else {
switch_channel_set_variable(channel, "RECORD_FINAL_TIMEOUT_MS", "");
}
/* allow dialplan override for these variables */
//switch_channel_set_variable(channel, "RECORD_PRE_BUFFER_FRAMES", "");
//switch_channel_set_variable(channel, "record_sample_rate", "");
//switch_channel_set_variable(channel, "enable_file_write_buffering", "");
/* max duration attribute is in milliseconds- convert to seconds */
if (record_component->max_duration > 0) {
max_duration_sec = ceil((double)(record_component->max_duration - record_component->duration_ms) / 1000.0);
}
if (!strcmp(record_component->direction, "duplex")) {
if (!record_component->mix) {
/* STEREO */
switch_channel_set_variable(channel, "RECORD_STEREO", "true");
} /* else MONO (default) */
} else if (!strcmp(record_component->direction, "send")) {
/* record audio sent from the caller */
switch_channel_set_variable(channel, "RECORD_READ_ONLY", "true");
} else if (!strcmp(record_component->direction, "recv")) {
/* record audio received by the caller */
switch_channel_set_variable(channel, "RECORD_WRITE_ONLY", "true");
};
if (record_component->start_beep) {
switch_ivr_displace_session(session, RECORD_BEEP, 0, "");
record_component->start_time = switch_micro_time_now();
}
if (switch_ivr_record_session(session, (char *)RAYO_ID(component), max_duration_sec, NULL) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Recording started: file = %s\n", RAYO_ID(component));
return 1;
}
return 0;
}
SWITCH_DECLARE(void) switch_core_session_hangup_state(switch_core_session_t *session, switch_bool_t force)
{
switch_call_cause_t cause = switch_channel_get_cause(session->channel);
switch_call_cause_t cause_q850 = switch_channel_get_cause_q850(session->channel);
int proceed = 1;
int global_proceed = 1;
int do_extra_handlers = 1;
int silly = 0;
int index = 0;
switch_channel_state_t state = switch_channel_get_state(session->channel), midstate = state;
const switch_endpoint_interface_t *endpoint_interface;
const switch_state_handler_table_t *driver_state_handler = NULL;
const switch_state_handler_table_t *application_state_handler = NULL;
const char *hook_var;
int use_session = 0;
if (!force) {
if (!switch_channel_test_flag(session->channel, CF_EARLY_HANGUP) && !switch_test_flag((&runtime), SCF_EARLY_HANGUP)) {
return;
}
if (switch_thread_self() != session->thread_id) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG10, "%s thread mismatch skipping state handler.\n",
switch_channel_get_name(session->channel));
return;
}
}
if (switch_test_flag(session, SSF_HANGUP)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG10, "%s handler already called, skipping state handler.\n",
switch_channel_get_name(session->channel));
return;
}
endpoint_interface = session->endpoint_interface;
switch_assert(endpoint_interface != NULL);
driver_state_handler = endpoint_interface->state_handler;
switch_assert(driver_state_handler != NULL);
switch_channel_set_hangup_time(session->channel);
switch_core_media_bug_remove_all(session);
switch_channel_stop_broadcast(session->channel);
switch_channel_set_variable(session->channel, "hangup_cause", switch_channel_cause2str(cause));
switch_channel_set_variable_printf(session->channel, "hangup_cause_q850", "%d", cause_q850);
//switch_channel_presence(session->channel, "unknown", switch_channel_cause2str(cause), NULL);
switch_channel_set_timestamps(session->channel);
STATE_MACRO(hangup, "HANGUP");
switch_core_media_set_stats(session);
if ((hook_var = switch_channel_get_variable(session->channel, SWITCH_API_HANGUP_HOOK_VARIABLE))) {
if (switch_true(switch_channel_get_variable(session->channel, SWITCH_SESSION_IN_HANGUP_HOOK_VARIABLE))) {
use_session = 1;
}
api_hook(session, hook_var, use_session);
}
switch_channel_set_callstate(session->channel, CCS_HANGUP);
switch_set_flag(session, SSF_HANGUP);
}