/*
 *
 *  RIL library with GLib integration
 *
 *  Copyright (C) 2008-2011  Intel Corporation. All rights reserved.
 *  Copyright (C) 2012  Canonical Ltd.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <ctype.h>
#include <string.h>

#include <glib.h>

#include <ofono/modem.h>
#include <ofono/gprs-context.h>
#include <ofono/types.h>

#include "grilutil.h"
#include "ril_constants.h"

/* Constants used by CALL_LIST, and SETUP_DATA_CALL RIL requests */
#define PROTO_IP_STR "IP"
#define PROTO_IPV6_STR "IPV6"
#define PROTO_IPV4V6_STR "IPV4V6"

static char temp_str[32];

int ril_protocol_string_to_ofono_protocol(gchar *protocol_str)
{
	int result;

	if (g_strcmp0(protocol_str, PROTO_IPV6_STR) == 0)
		result = OFONO_GPRS_PROTO_IPV6;
	else if (g_strcmp0(protocol_str, PROTO_IPV4V6_STR) == 0)
		result = OFONO_GPRS_PROTO_IPV4V6;
	else if (g_strcmp0(protocol_str, PROTO_IP_STR) == 0)
		result = OFONO_GPRS_PROTO_IP;
	else
		result = -1;

	return result;
}

const char *ril_error_to_string(int error)
{
	switch (error) {
	case RIL_E_SUCCESS: return "SUCCESS";
	case RIL_E_RADIO_NOT_AVAILABLE: return "RADIO_NOT_AVAILABLE";
	case RIL_E_GENERIC_FAILURE: return "GENERIC_FAILURE";
	case RIL_E_PASSWORD_INCORRECT: return "PASSWORD_INCORRECT";
	case RIL_E_SIM_PIN2: return "SIM_PIN2";
	case RIL_E_SIM_PUK2: return "SIM_PUK2";
	case RIL_E_REQUEST_NOT_SUPPORTED: return "REQUEST_NOT_SUPPORTED";
	case RIL_E_CANCELLED: return "CANCELLED";
	case RIL_E_OP_NOT_ALLOWED_DURING_VOICE_CALL:
		return "OP_NOT_ALLOWED_DURING_VOICE_CALL";
	case RIL_E_OP_NOT_ALLOWED_BEFORE_REG_TO_NW:
		return "OP_NOT_ALLOWED_BEFORE_REG_TO_NW";
	case RIL_E_SMS_SEND_FAIL_RETRY: return "SMS_SEND_FAIL_RETRY";
	case RIL_E_SIM_ABSENT: return "SIM_ABSENT";
	case RIL_E_SUBSCRIPTION_NOT_AVAILABLE:
		return "SUBSCRIPTION_NOT_AVAILABLE";
	case RIL_E_MODE_NOT_SUPPORTED: return "MODE_NOT_SUPPORTED";
	case RIL_E_FDN_CHECK_FAILURE: return "FDN_CHECK_FAILURE";
	case RIL_E_ILLEGAL_SIM_OR_ME: return "ILLEGAL_SIM_OR_ME";
	case RIL_E_DIAL_MODIFIED_TO_USSD: return "DIAL_MODIFIED_TO_USSD";
	case RIL_E_DIAL_MODIFIED_TO_SS: return "DIAL_MODIFIED_TO_SS";
	case RIL_E_DIAL_MODIFIED_TO_DIAL: return "DIAL_MODIFIED_TO_DIAL";
	case RIL_E_USSD_MODIFIED_TO_DIAL: return "USSD_MODIFIED_TO_DIAL";
	case RIL_E_USSD_MODIFIED_TO_SS: return "USSD_MODIFIED_TO_SS";
	case RIL_E_USSD_MODIFIED_TO_USSD: return "USSD_MODIFIED_TO_USSD";
	case RIL_E_SS_MODIFIED_TO_DIAL: return "SS_MODIFIED_TO_DIAL";
	case RIL_E_SS_MODIFIED_TO_USSD: return "SS_MODIFIED_TO_USSD";
	case RIL_E_SS_MODIFIED_TO_SS: return "SS_MODIFIED_TO_SS";
	case RIL_E_SUBSCRIPTION_NOT_SUPPORTED:
		return "SUBSCRIPTION_NOT_SUPPORTED";
	default: return "<unknown errno>";
	}
}

const char *ril_radio_state_to_string(int radio_state)
{
	switch (radio_state) {
	case RADIO_STATE_OFF:
		return "OFF";
	case RADIO_STATE_UNAVAILABLE:
		return "UNAVAILABLE";
	case RADIO_STATE_SIM_NOT_READY:
		return "SIM_NOT_READY";
	case RADIO_STATE_SIM_LOCKED_OR_ABSENT:
		return "SIM_LOCKED_OR_ABSENT";
	case RADIO_STATE_SIM_READY:
		return "SIM_READY";
	case RADIO_STATE_ON:
		return "ON";
	default:
		return "<INVALID>";
	}
}

const char *ril_request_id_to_string(int req)
{
	switch (req) {
	case RIL_REQUEST_GET_SIM_STATUS:
		return "RIL_REQUEST_GET_SIM_STATUS";
	case RIL_REQUEST_ENTER_SIM_PIN:
		return "RIL_REQUEST_ENTER_SIM_PIN";
	case RIL_REQUEST_ENTER_SIM_PUK:
		return "RIL_REQUEST_ENTER_SIM_PUK";
	case RIL_REQUEST_ENTER_SIM_PIN2:
		return "RIL_REQUEST_ENTER_SIM_PIN2";
	case RIL_REQUEST_ENTER_SIM_PUK2:
		return "RIL_REQUEST_ENTER_SIM_PUK2";
	case RIL_REQUEST_CHANGE_SIM_PIN:
		return "RIL_REQUEST_CHANGE_SIM_PIN";
	case RIL_REQUEST_CHANGE_SIM_PIN2:
		return "RIL_REQUEST_CHANGE_SIM_PIN2";
	case RIL_REQUEST_ENTER_NETWORK_DEPERSONALIZATION:
		return "RIL_REQUEST_ENTER_NETWORK_DEPERSONALIZATION";
	case RIL_REQUEST_GET_CURRENT_CALLS:
		return "RIL_REQUEST_GET_CURRENT_CALLS";
	case RIL_REQUEST_DIAL:
		return "RIL_REQUEST_DIAL";
	case RIL_REQUEST_GET_IMSI:
		return "RIL_REQUEST_GET_IMSI";
	case RIL_REQUEST_HANGUP:
		return "RIL_REQUEST_HANGUP";
	case RIL_REQUEST_HANGUP_WAITING_OR_BACKGROUND:
		return "RIL_REQUEST_HANGUP_WAITING_OR_BACKGROUND";
	case RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND:
		return "RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND";
	case RIL_REQUEST_SWITCH_HOLDING_AND_ACTIVE:
		return "RIL_REQUEST_SWITCH_HOLDING_AND_ACTIVE";
	case RIL_REQUEST_CONFERENCE:
		return "RIL_REQUEST_CONFERENCE";
	case RIL_REQUEST_UDUB:
		return "RIL_REQUEST_UDUB";
	case RIL_REQUEST_LAST_CALL_FAIL_CAUSE:
		return "RIL_REQUEST_LAST_CALL_FAIL_CAUSE";
	case RIL_REQUEST_SIGNAL_STRENGTH:
		return "RIL_REQUEST_SIGNAL_STRENGTH";
	case RIL_REQUEST_VOICE_REGISTRATION_STATE:
		return "RIL_REQUEST_VOICE_REGISTRATION_STATE";
	case RIL_REQUEST_DATA_REGISTRATION_STATE:
		return "RIL_REQUEST_DATA_REGISTRATION_STATE";
	case RIL_REQUEST_OPERATOR:
		return "RIL_REQUEST_OPERATOR";
	case RIL_REQUEST_RADIO_POWER:
		return "RIL_REQUEST_RADIO_POWER";
	case RIL_REQUEST_DTMF:
		return "RIL_REQUEST_DTMF";
	case RIL_REQUEST_SEND_SMS:
		return "RIL_REQUEST_SEND_SMS";
	case RIL_REQUEST_SEND_SMS_EXPECT_MORE:
		return "RIL_REQUEST_SEND_SMS_EXPECT_MORE";
	case RIL_REQUEST_SETUP_DATA_CALL:
		return "RIL_REQUEST_SETUP_DATA_CALL";
	case RIL_REQUEST_SIM_IO:
		return "RIL_REQUEST_SIM_IO";
	case RIL_REQUEST_SEND_USSD:
		return "RIL_REQUEST_SEND_USSD";
	case RIL_REQUEST_CANCEL_USSD:
		return "RIL_REQUEST_CANCEL_USSD";
	case RIL_REQUEST_GET_CLIR:
		return "RIL_REQUEST_GET_CLIR";
	case RIL_REQUEST_SET_CLIR:
		return "RIL_REQUEST_SET_CLIR";
	case RIL_REQUEST_QUERY_CALL_FORWARD_STATUS:
		return "RIL_REQUEST_QUERY_CALL_FORWARD_STATUS";
	case RIL_REQUEST_SET_CALL_FORWARD:
		return "RIL_REQUEST_SET_CALL_FORWARD";
	case RIL_REQUEST_QUERY_CALL_WAITING:
		return "RIL_REQUEST_QUERY_CALL_WAITING";
	case RIL_REQUEST_SET_CALL_WAITING:
		return "RIL_REQUEST_SET_CALL_WAITING";
	case RIL_REQUEST_SMS_ACKNOWLEDGE:
		return "RIL_REQUEST_SMS_ACKNOWLEDGE ";
	case RIL_REQUEST_GET_IMEI:
		return "RIL_REQUEST_GET_IMEI";
	case RIL_REQUEST_GET_IMEISV:
		return "RIL_REQUEST_GET_IMEISV";
	case RIL_REQUEST_ANSWER:
		return "RIL_REQUEST_ANSWER";
	case RIL_REQUEST_DEACTIVATE_DATA_CALL:
		return "RIL_REQUEST_DEACTIVATE_DATA_CALL";
	case RIL_REQUEST_QUERY_FACILITY_LOCK:
		return "RIL_REQUEST_QUERY_FACILITY_LOCK";
	case RIL_REQUEST_SET_FACILITY_LOCK:
		return "RIL_REQUEST_SET_FACILITY_LOCK";
	case RIL_REQUEST_CHANGE_BARRING_PASSWORD:
		return "RIL_REQUEST_CHANGE_BARRING_PASSWORD";
	case RIL_REQUEST_QUERY_NETWORK_SELECTION_MODE:
		return "RIL_REQUEST_QUERY_NETWORK_SELECTION_MODE";
	case RIL_REQUEST_SET_NETWORK_SELECTION_AUTOMATIC:
		return "RIL_REQUEST_SET_NETWORK_SELECTION_AUTOMATIC";
	case RIL_REQUEST_SET_NETWORK_SELECTION_MANUAL:
		return "RIL_REQUEST_SET_NETWORK_SELECTION_MANUAL";
	case RIL_REQUEST_QUERY_AVAILABLE_NETWORKS:
		return "RIL_REQUEST_QUERY_AVAILABLE_NETWORKS";
	case RIL_REQUEST_DTMF_START:
		return "RIL_REQUEST_DTMF_START";
	case RIL_REQUEST_DTMF_STOP:
		return "RIL_REQUEST_DTMF_STOP";
	case RIL_REQUEST_BASEBAND_VERSION:
		return "RIL_REQUEST_BASEBAND_VERSION";
	case RIL_REQUEST_SEPARATE_CONNECTION:
		return "RIL_REQUEST_SEPARATE_CONNECTION";
	case RIL_REQUEST_SET_MUTE:
		return "RIL_REQUEST_SET_MUTE";
	case RIL_REQUEST_GET_MUTE:
		return "RIL_REQUEST_GET_MUTE";
	case RIL_REQUEST_QUERY_CLIP:
		return "RIL_REQUEST_QUERY_CLIP";
	case RIL_REQUEST_LAST_DATA_CALL_FAIL_CAUSE:
		return "RIL_REQUEST_LAST_DATA_CALL_FAIL_CAUSE";
	case RIL_REQUEST_DATA_CALL_LIST:
		return "RIL_REQUEST_DATA_CALL_LIST";
	case RIL_REQUEST_RESET_RADIO:
		return "RIL_REQUEST_RESET_RADIO";
	case RIL_REQUEST_OEM_HOOK_RAW:
		return "RIL_REQUEST_OEM_HOOK_RAW";
	case RIL_REQUEST_OEM_HOOK_STRINGS:
		return "RIL_REQUEST_OEM_HOOK_STRINGS";
	case RIL_REQUEST_SCREEN_STATE:
		return "RIL_REQUEST_SCREEN_STATE";
	case RIL_REQUEST_SET_SUPP_SVC_NOTIFICATION:
		return "RIL_REQUEST_SET_SUPP_SVC_NOTIFICATION";
	case RIL_REQUEST_WRITE_SMS_TO_SIM:
		return "RIL_REQUEST_WRITE_SMS_TO_SIM";
	case RIL_REQUEST_DELETE_SMS_ON_SIM:
		return "RIL_REQUEST_DELETE_SMS_ON_SIM";
	case RIL_REQUEST_SET_BAND_MODE:
		return "RIL_REQUEST_SET_BAND_MODE";
	case RIL_REQUEST_QUERY_AVAILABLE_BAND_MODE:
		return "RIL_REQUEST_QUERY_AVAILABLE_BAND_MODE";
	case RIL_REQUEST_STK_GET_PROFILE:
		return "RIL_REQUEST_STK_GET_PROFILE";
	case RIL_REQUEST_STK_SET_PROFILE:
		return "RIL_REQUEST_STK_SET_PROFILE";
	case RIL_REQUEST_STK_SEND_ENVELOPE_COMMAND:
		return "RIL_REQUEST_STK_SEND_ENVELOPE_COMMAND";
	case RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE:
		return "RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE";
	case RIL_REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM:
		return "RIL_REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM";
	case RIL_REQUEST_EXPLICIT_CALL_TRANSFER:
		return "RIL_REQUEST_EXPLICIT_CALL_TRANSFER";
	case RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE:
		return "RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE";
	case RIL_REQUEST_GET_PREFERRED_NETWORK_TYPE:
		return "RIL_REQUEST_GET_PREFERRED_NETWORK_TYPE";
	case RIL_REQUEST_GET_NEIGHBORING_CELL_IDS:
		return "RIL_REQUEST_GET_NEIGHBORING_CELL_IDS";
	case RIL_REQUEST_SET_LOCATION_UPDATES:
		return "RIL_REQUEST_SET_LOCATION_UPDATES";
	case RIL_REQUEST_CDMA_SET_SUBSCRIPTION_SOURCE:
		return "RIL_REQUEST_CDMA_SET_SUBSCRIPTION_SOURCE";
	case RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE:
		return "RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE";
	case RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE:
		return "RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE";
	case RIL_REQUEST_SET_TTY_MODE:
		return "RIL_REQUEST_SET_TTY_MODE";
	case RIL_REQUEST_QUERY_TTY_MODE:
		return "RIL_REQUEST_QUERY_TTY_MODE";
	case RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE:
		return "RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE";
	case RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE:
		return "RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE";
	case RIL_REQUEST_CDMA_FLASH:
		return "RIL_REQUEST_CDMA_FLASH";
	case RIL_REQUEST_CDMA_BURST_DTMF:
		return "RIL_REQUEST_CDMA_BURST_DTMF";
	case RIL_REQUEST_CDMA_VALIDATE_AND_WRITE_AKEY:
		return "RIL_REQUEST_CDMA_VALIDATE_AND_WRITE_AKEY";
	case RIL_REQUEST_CDMA_SEND_SMS:
		return "RIL_REQUEST_CDMA_SEND_SMS";
	case RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE:
		return "RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE";
	case RIL_REQUEST_GSM_GET_BROADCAST_SMS_CONFIG:
		return "RIL_REQUEST_GSM_GET_BROADCAST_SMS_CONFIG";
	case RIL_REQUEST_GSM_SET_BROADCAST_SMS_CONFIG:
		return "RIL_REQUEST_GSM_SET_BROADCAST_SMS_CONFIG";
	case RIL_REQUEST_GSM_SMS_BROADCAST_ACTIVATION:
		return "RIL_REQUEST_GSM_SMS_BROADCAST_ACTIVATION";
	case RIL_REQUEST_CDMA_GET_BROADCAST_SMS_CONFIG:
		return "RIL_REQUEST_CDMA_GET_BROADCAST_SMS_CONFIG";
	case RIL_REQUEST_CDMA_SET_BROADCAST_SMS_CONFIG:
		return "RIL_REQUEST_CDMA_SET_BROADCAST_SMS_CONFIG";
	case RIL_REQUEST_CDMA_SMS_BROADCAST_ACTIVATION:
		return "RIL_REQUEST_CDMA_SMS_BROADCAST_ACTIVATION";
	case RIL_REQUEST_CDMA_SUBSCRIPTION:
		return "RIL_REQUEST_CDMA_SUBSCRIPTION";
	case RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM:
		return "RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM";
	case RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM:
		return "RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM";
	case RIL_REQUEST_DEVICE_IDENTITY:
		return "RIL_REQUEST_DEVICE_IDENTITY";
	case RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE:
		return "RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE";
	case RIL_REQUEST_GET_SMSC_ADDRESS:
		return "RIL_REQUEST_GET_SMSC_ADDRESS";
	case RIL_REQUEST_SET_SMSC_ADDRESS:
		return "RIL_REQUEST_SET_SMSC_ADDRESS";
	case RIL_REQUEST_REPORT_SMS_MEMORY_STATUS:
		return "RIL_REQUEST_REPORT_SMS_MEMORY_STATUS";
	case RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING:
		return "RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING";
	case RIL_REQUEST_CDMA_GET_SUBSCRIPTION_SOURCE:
		return "RIL_REQUEST_CDMA_GET_SUBSCRIPTION_SOURCE";
	case RIL_REQUEST_ISIM_AUTHENTICATION:
		return "RIL_REQUEST_ISIM_AUTHENTICATION";
	case RIL_REQUEST_ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU:
		return "RIL_REQUEST_ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU";
	case RIL_REQUEST_STK_SEND_ENVELOPE_WITH_STATUS:
		return "RIL_REQUEST_STK_SEND_ENVELOPE_WITH_STATUS";
	case RIL_REQUEST_GET_CELL_INFO_LIST:
		return "RIL_REQUEST_GET_CELL_INFO_LIST";
	case RIL_REQUEST_SET_INITIAL_ATTACH_APN:
		return "RIL_REQUEST_SET_INITIAL_ATTACH_APN";
	case RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE:
		return "RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE";
	default:
		return "<INVALID>";
	}
}

const char *ril_unsol_request_to_string(int request)
{
	switch (request) {
	case RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED:
		return "UNSOL_RESPONSE_RADIO_STATE_CHANGED";
	case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED:
		return "UNSOL_RESPONSE_CALL_STATE_CHANGED";
	case RIL_UNSOL_RESPONSE_VOICE_NETWORK_STATE_CHANGED:
		return "UNSOL_RESPONSE_VOICE_NETWORK_STATE_CHANGED";
	case RIL_UNSOL_RESPONSE_NEW_SMS:
		return "UNSOL_RESPONSE_NEW_SMS";
	case RIL_UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT:
		return "UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT";
	case RIL_UNSOL_RESPONSE_NEW_SMS_ON_SIM:
		return "UNSOL_RESPONSE_NEW_SMS_ON_SIM";
	case RIL_UNSOL_ON_USSD:
		return "UNSOL_ON_USSD";
	case RIL_UNSOL_ON_USSD_REQUEST:
		return "UNSOL_ON_USSD_REQUEST(obsolete)";
	case RIL_UNSOL_NITZ_TIME_RECEIVED:
		return "UNSOL_NITZ_TIME_RECEIVED";
	case RIL_UNSOL_SIGNAL_STRENGTH:
		return "UNSOL_SIGNAL_STRENGTH";
	case RIL_UNSOL_SUPP_SVC_NOTIFICATION:
		return "UNSOL_SUPP_SVC_NOTIFICATION";
	case RIL_UNSOL_STK_SESSION_END:
		return "UNSOL_STK_SESSION_END";
	case RIL_UNSOL_STK_PROACTIVE_COMMAND:
		return "UNSOL_STK_PROACTIVE_COMMAND";
	case RIL_UNSOL_STK_EVENT_NOTIFY:
		return "UNSOL_STK_EVENT_NOTIFY";
	case RIL_UNSOL_STK_CALL_SETUP:
		return "UNSOL_STK_CALL_SETUP";
	case RIL_UNSOL_SIM_SMS_STORAGE_FULL:
		return "UNSOL_SIM_SMS_STORAGE_FUL";
	case RIL_UNSOL_SIM_REFRESH:
		return "UNSOL_SIM_REFRESH";
	case RIL_UNSOL_DATA_CALL_LIST_CHANGED:
		return "UNSOL_DATA_CALL_LIST_CHANGED";
	case RIL_UNSOL_CALL_RING:
		return "UNSOL_CALL_RING";
	case RIL_UNSOL_RESPONSE_SIM_STATUS_CHANGED:
		return "UNSOL_RESPONSE_SIM_STATUS_CHANGED";
	case RIL_UNSOL_RESPONSE_CDMA_NEW_SMS:
		return "UNSOL_NEW_CDMA_SMS";
	case RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS:
		return "UNSOL_NEW_BROADCAST_SMS";
	case RIL_UNSOL_CDMA_RUIM_SMS_STORAGE_FULL:
		return "UNSOL_CDMA_RUIM_SMS_STORAGE_FULL";
	case RIL_UNSOL_RESTRICTED_STATE_CHANGED:
		return "UNSOL_RESTRICTED_STATE_CHANGED";
	case RIL_UNSOL_ENTER_EMERGENCY_CALLBACK_MODE:
		return "UNSOL_ENTER_EMERGENCY_CALLBACK_MODE";
	case RIL_UNSOL_CDMA_CALL_WAITING:
		return "UNSOL_CDMA_CALL_WAITING";
	case RIL_UNSOL_CDMA_OTA_PROVISION_STATUS:
		return "UNSOL_CDMA_OTA_PROVISION_STATUS";
	case RIL_UNSOL_CDMA_INFO_REC:
		return "UNSOL_CDMA_INFO_REC";
	case RIL_UNSOL_OEM_HOOK_RAW:
		return "UNSOL_OEM_HOOK_RAW";
	case RIL_UNSOL_RINGBACK_TONE:
		return "UNSOL_RINGBACK_TONE";
	case RIL_UNSOL_RESEND_INCALL_MUTE:
		return "UNSOL_RESEND_INCALL_MUTE";
	case RIL_UNSOL_CDMA_SUBSCRIPTION_SOURCE_CHANGED:
		return "UNSOL_CDMA_SUBSCRIPTION_SOURCE_CHANGED";
	case RIL_UNSOL_CDMA_PRL_CHANGED:
		return "UNSOL_CDMA_PRL_CHANGED";
	case RIL_UNSOL_EXIT_EMERGENCY_CALLBACK_MODE:
		return "UNSOL_EXIT_EMERGENCY_CALLBACK_MODE";
	case RIL_UNSOL_RIL_CONNECTED:
		return "UNSOL_RIL_CONNECTED";
	case RIL_UNSOL_CELL_INFO_LIST:
		return "RIL_UNSOL_CELL_INFO_LIST";
	default:
		return "<unknown request>";
	}
}

const char *ril_pdp_fail_to_string(int status)
{
	switch (status) {
	case PDP_FAIL_NONE:
		return "NONE";
	case PDP_FAIL_OPERATOR_BARRED:
		return "OPERATOR_BARRED";
	case PDP_FAIL_INSUFFICIENT_RESOURCES:
		return "INSUFFICIENT_RESOURCES";
	case PDP_FAIL_MISSING_UKNOWN_APN:
		return "MISSING_UKNOWN_APN";
	case PDP_FAIL_UNKNOWN_PDP_ADDRESS_TYPE:
		return "UNKNOWN_PDP_ADDRESS_TYPE";
	case PDP_FAIL_USER_AUTHENTICATION:
		return "USER_AUTHENTICATION";
	case PDP_FAIL_ACTIVATION_REJECT_GGSN:
		return "ACTIVATION_REJECT_GGSN";
	case PDP_FAIL_ACTIVATION_REJECT_UNSPECIFIED:
		return "ACTIVATION_REJECT_UNSPECIFIED";
	case PDP_FAIL_SERVICE_OPTION_NOT_SUPPORTED:
		return "SERVICE_OPTION_NOT_SUPPORTED";
	case PDP_FAIL_SERVICE_OPTION_NOT_SUBSCRIBED:
		return "SERVICE_OPTION_NOT_SUBSCRIBED";
	case PDP_FAIL_SERVICE_OPTION_OUT_OF_ORDER:
		return "SERVICE_OPTION_OUT_OF_ORDER";
	case PDP_FAIL_NSAPI_IN_USE:
		return "NSAPI_IN_USE";
	case PDP_FAIL_REGULAR_DEACTIVATION:
		return "REGULAR_DEACTIVATION";
	case PDP_FAIL_ONLY_IPV4_ALLOWED:
		return "ONLY_IPV4_ALLOWED";
	case PDP_FAIL_ONLY_IPV6_ALLOWED:
		return "ONLY_IPV6_ALLOWED";
	case PDP_FAIL_ONLY_SINGLE_BEARER_ALLOWED:
		return "ONLY_SINGLE_BEARER_ALLOWED";
	case PDP_FAIL_PROTOCOL_ERRORS:
		return "PROTOCOL_ERRORS";
	case PDP_FAIL_VOICE_REGISTRATION_FAIL:
		return "VOICE_REGISTRATION_FAIL";
	case PDP_FAIL_DATA_REGISTRATION_FAIL:
		return "DATA_REGISTRATION_FAIL";
	case PDP_FAIL_SIGNAL_LOST:
		return "SIGNAL_LOST";
	case PDP_FAIL_PREF_RADIO_TECH_CHANGED:
		return "PREF_RADIO_TECH_CHANGED";
	case PDP_FAIL_RADIO_POWER_OFF:
		return "RADIO_POWER_OFF";
	case PDP_FAIL_TETHERED_CALL_ACTIVE:
		return "TETHERED_CALL_ACTIVE";
	case PDP_FAIL_ERROR_UNSPECIFIED:
		return "ERROR_UNSPECIFIED";
	default:
		if (g_snprintf(temp_str, sizeof(temp_str),
				"<UNKNOWN (%d)>", status))
			return temp_str;
		else
			return "<UNKNOWN>";
	}
}

void g_ril_util_debug_hexdump(gboolean in, const unsigned char *buf, gsize len,
				GRilDebugFunc debugf, gpointer user_data)
{
	static const char hexdigits[] = "0123456789abcdef";
	char str[68];
	gsize i;

	if (debugf == NULL || !len)
		return;

	str[0] = in ? '<' : '>';

	for (i = 0; i < len; i++) {
		str[((i % 16) * 3) + 1] = ' ';
		str[((i % 16) * 3) + 2] = hexdigits[buf[i] >> 4];
		str[((i % 16) * 3) + 3] = hexdigits[buf[i] & 0xf];
		str[(i % 16) + 51] = g_ascii_isprint(buf[i]) ? buf[i] : '.';

		if ((i + 1) % 16 == 0) {
			str[49] = ' ';
			str[50] = ' ';
			str[67] = '\0';
			debugf(str, user_data);
			str[0] = ' ';
		}
	}

	if (i % 16 > 0) {
		gsize j;
		for (j = (i % 16); j < 16; j++) {
			str[(j * 3) + 1] = ' ';
			str[(j * 3) + 2] = ' ';
			str[(j * 3) + 3] = ' ';
			str[j + 51] = ' ';
		}
		str[49] = ' ';
		str[50] = ' ';
		str[67] = '\0';
		debugf(str, user_data);
	}
}

gboolean g_ril_util_setup_io(GIOChannel *io, GIOFlags flags)
{
	GIOFlags io_flags;

	if (g_io_channel_set_encoding(io, NULL, NULL) != G_IO_STATUS_NORMAL)
		return FALSE;

	g_io_channel_set_buffered(io, FALSE);

	if (flags & G_IO_FLAG_SET_MASK) {
		io_flags = g_io_channel_get_flags(io);

		io_flags |= (flags & G_IO_FLAG_SET_MASK);

		if (g_io_channel_set_flags(io, io_flags, NULL) !=
							G_IO_STATUS_NORMAL)
			return FALSE;
	}

	g_io_channel_set_close_on_unref(io, TRUE);

	return TRUE;
}