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htcgeneric-ril.c
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/* //device/system/htcgeneric-ril/htcgeneric-ril.c
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include <telephony/ril.h>
#include <telephony/ril_cdma_sms.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <pthread.h>
#include <alloca.h>
#include "atchannel.h"
#include "at_tok.h"
#include "misc.h"
#include "gsm.h"
#include <getopt.h>
#include <sys/socket.h>
#include <cutils/sockets.h>
#include <cutils/properties.h>
#include <termios.h>
#define LOG_NDEBUG 0
#define LOG_TAG "RIL"
#include <utils/Log.h>
#define MAX_AT_RESPONSE 0x1000
#define RIL_REQUEST_SEND_SMS_EXTENDED 512
/* pathname returned from RIL_REQUEST_SETUP_DATA_CALL / RIL_REQUEST_SETUP_DEFAULT_PDP */
#define PPP_TTY_PATH "ppp0"
#define PPP_SYS_PATH "/sys/class/net/ppp0/operstate"
#define PPP_SERVICE "pppd_gprs"
#define PPP_KILL() property_set("ctl.stop", PPP_SERVICE)
#ifdef USE_TI_COMMANDS
// Enable workaround for bug in (TI-based) HTC stack
// 1) Make incoming call, do not answer
// 2) Hangup remote end
// Expected: call should disappear from CLCC line
// Actual: Call shows as "ACTIVE" before disappearing
#define WORKAROUND_ERRONEOUS_ANSWER 1
// Some varients of the TI stack do not support the +CGEV unsolicited
// response. However, they seem to send an unsolicited +CME ERROR: 150
#define WORKAROUND_FAKE_CGEV 1
#endif
/* valid registration states */
#define REG_HOME 1
#define REG_ROAM 5
typedef enum {
SIM_ABSENT = 0,
SIM_NOT_READY = 1,
SIM_READY = 2, /* SIM_READY means the radio state is RADIO_STATE_SIM_READY */
SIM_PIN = 3,
SIM_PUK = 4,
SIM_NETWORK_PERSONALIZATION = 5
} SIM_Status;
/* These are the known types, from ril.h */
typedef enum {
RADIO_UNKNOWN = 0,
RADIO_GPRS,
RADIO_EDGE,
RADIO_UMTS,
RADIO_IS95A,
RADIO_IS95B,
RADIO_1xRTT,
RADIO_EVDO_0,
RADIO_EVDO_A,
RADIO_HSDPA,
RADIO_HSUPA,
RADIO_HSPA,
RADIO_EVDO_B
} RADIO_Types;
static void onRequest (int request, void *data, size_t datalen, RIL_Token t);
static RIL_RadioState currentState();
static int onSupports (int requestCode);
static void onCancel (RIL_Token t);
static const char *getVersion();
static int isRadioOn();
static SIM_Status getSIMStatus();
static int getCardStatus(RIL_CardStatus **pp_card_status);
static void freeCardStatus(RIL_CardStatus *p_card_status);
static void onDataCallListChanged(void *param);
static int killConn(char * cid);
extern const char * requestToString(int request);
/*** Static Variables ***/
static const RIL_RadioFunctions s_callbacks = {
RIL_VERSION,
onRequest,
currentState,
onSupports,
onCancel,
getVersion
};
#ifdef RIL_SHLIB
static const struct RIL_Env *s_rilenv;
#define RIL_onRequestComplete(t, e, response, responselen) s_rilenv->OnRequestComplete(t,e, response, responselen)
#define RIL_onUnsolicitedResponse(a,b,c) s_rilenv->OnUnsolicitedResponse(a,b,c)
#define RIL_requestTimedCallback(a,b,c) s_rilenv->RequestTimedCallback(a,b,c)
#endif
static RIL_RadioState sState = RADIO_STATE_UNAVAILABLE;
static pthread_mutex_t s_state_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t s_state_cond = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t s_data_mutex = PTHREAD_MUTEX_INITIALIZER;
static int slow_sim=0;
static int s_port = -1;
static const char * s_device_path = NULL;
static int s_device_socket = 0;
static const char *smd7 = "";
/* trigger change to this with s_state_cond */
static int s_closed = 0;
static int sFD; /* file desc of AT channel */
static char sATBuffer[MAX_AT_RESPONSE+1];
static char *sATBufferCur = NULL;
/* Higher layers expect a NITZ string in this format:
* 08/10/28,19:08:37-20,1 (yy/mm/dd,hh:mm:ss(+/-)tz,dst)
*/
static char sNITZtime[sizeof("08/10/28,19:08:37-20,1")+4];
static const struct timeval TIMEVAL_SIMPOLL = {1,0};
static const struct timeval TIMEVAL_CALLSTATEPOLL = {1,0};
static const struct timeval TIMEVAL_0 = {0,0};
#ifdef WORKAROUND_ERRONEOUS_ANSWER
// Max number of times we'll try to repoll when we think
// we have a AT+CLCC race condition
#define REPOLL_CALLS_COUNT_MAX 4
// Line index that was incoming or waiting at last poll, or -1 for none
static int s_incomingOrWaitingLine = -1;
// Number of times we've asked for a repoll of AT+CLCC
static int s_repollCallsCount = 0;
// Should we expect a call to be answered in the next CLCC?
static int s_expectAnswer = 0;
#endif /* WORKAROUND_ERRONEOUS_ANSWER */
static void pollSIMState (void *param);
static void setRadioState(RIL_RadioState newState);
#define MODE_GSM 1
#define MODE_CDMA 2
static int phone_has = 0; /* Modes that the phone hardware supports */
static int phone_is = 0; /* Mode the phone is in */
static int world_phone = 0;
static int done_first = 0; /* Have we done poweron once before? */
static int switch_req = 0; /* When switching modes, ignore everything until this req */
static char erisystem[50];
static char erishort[50];
static char operid[12];
static int countValidCalls=0;
static int signalStrength[2];
static char eriPRL[4];
static int got_state_change=0;
static int regstate;
static int gsm_rtype=-1;
static int gsm_selmode=-1;
static RADIO_Types android_rtype=RADIO_UNKNOWN;
static char imei[16+4];
static char esn[9];
static char prl[8];
static char min[12];
static char operID[12];
static int audio_on = 0; /* is the audio on? */
typedef enum {
Data_Off = 0,
Data_Terminated,
Data_Dialing,
Data_Connected,
} Data_State;
static Data_State data_state=Data_Off;
static RIL_RadioState Radio_READY = RADIO_STATE_SIM_READY;
static RIL_RadioState Radio_NOT_READY = RADIO_STATE_SIM_NOT_READY;
static void handle_cdma_ccwa (const char *s)
{
int err;
char *line, *tmp;
line = tmp = strdup(s);
RIL_CDMA_CallWaiting resp;
err = at_tok_start(&tmp);
if (err)
goto out;
err = at_tok_nextstr(&tmp, &resp.number);
if (err)
goto out;
resp.numberPresentation = strcspn(resp.number, "+0123456789") != 0;
resp.name = NULL;
RIL_onUnsolicitedResponse ( RIL_UNSOL_CDMA_CALL_WAITING,
&resp, sizeof(resp));
out:
free(line);
}
extern char** cdma_to_gsmpdu(const char *);
extern char* gsm_to_cdmapdu(const char *);
extern int hex2int(const char);
extern void decode_cdma_sms_to_ril(char *pdu, RIL_CDMA_SMS_Message *msg);
extern int encode_cdma_sms_from_ril(RIL_CDMA_SMS_Message *msg, char *buf, int buflen);
static void HexStr_to_DecInt(char *strings, unsigned int *ints)
{
int i = 0;
int j = strlen(strings);
int k = 0;
for(i = 0, k = 0; i < j; i += 2, k++)
{
printf("%d, %d\n", i, k);
if(strings[i] <= 57){
*(ints + k) += (unsigned int)((strings[i] - 48) * 16);
}
else{
*(ints+k) += (unsigned int)(((strings[i] - 97) + 10) * 16);
}
if(strings[i+1] <= 57){
*(ints+k) += (unsigned int)(strings[i+1] - 48);
}
else{
*(ints+k) += (unsigned int)((strings[i+1] - 97) + 10);
}
}
}
static int clccStateToRILState(int state, RIL_CallState *p_state)
{
switch(state) {
case 0: *p_state = RIL_CALL_ACTIVE; return 0;
case 1: *p_state = RIL_CALL_HOLDING; return 0;
case 2: *p_state = RIL_CALL_DIALING; return 0;
case 3: *p_state = RIL_CALL_ALERTING; return 0;
case 4: *p_state = RIL_CALL_INCOMING; return 0;
case 5: *p_state = RIL_CALL_WAITING; return 0;
default: return -1;
}
}
static const char* networkStatusToRilString(int state)
{
switch(state){
case 0: return("unknown"); break;
case 1: return("available"); break;
case 2: return("current"); break;
case 3: return("forbidden"); break;
default: return NULL;
}
}
// some phone functions are controlled by msm_proc_comm through /sys
void writesys(char *name, char *val) {
FILE *fout;
char filename[256];
strcpy(filename,"/sys/class/vogue_hw/");
strcat(filename,name);
fout=fopen(filename,"w");
if(!fout) return;
fprintf(fout, "%s", val);
fclose(fout);
}
/**
* Note: directly modified line and has *p_call point directly into
* modified line
*/
static int callFromCLCCLine(char *line, RIL_Call *p_call)
{
//+CLCC: 1,0,2,0,0,\"+18005551212\",145
// index,isMT,state,mode,isMpty(,number,TOA)?
int err;
int state;
int mode;
err = at_tok_start(&line);
if (err < 0) goto error;
err = at_tok_nextint(&line, &(p_call->index));
if (err < 0) goto error;
err = at_tok_nextbool(&line, &(p_call->isMT));
if (err < 0) goto error;
err = at_tok_nextint(&line, &state);
if (err < 0) goto error;
err = clccStateToRILState(state, &(p_call->state));
if (err < 0) goto error;
err = at_tok_nextint(&line, &mode);
if (err < 0) goto error;
p_call->isVoice = (mode == 0);
err = at_tok_nextbool(&line, &(p_call->isMpty));
if (err < 0) goto error;
if (at_tok_hasmore(&line)) {
err = at_tok_nextstr(&line, &(p_call->number));
/* tolerate null here */
if (err < 0) return 0;
// Some lame implementations return strings
// like "NOT AVAILABLE" in the CLCC line
if (p_call->number != NULL
&& 0 == strspn(p_call->number, "+0123456789")
) {
p_call->number = NULL;
}
err = at_tok_nextint(&line, &p_call->toa);
if (err < 0) goto error;
}
return 0;
error:
LOGE("invalid CLCC line\n");
return -1;
}
//returns the call number of the active data call, or -1 if no active call
static int dataCallNum()
{
int err;
ATResponse *p_response;
ATLine *p_cur;
int countCalls;
RIL_Call *p_call;
int i;
int callNumber = -1;
if(currentState() != Radio_READY){
return -1;
}
err = at_send_command_multiline ("AT+CLCC", "+CLCC:", &p_response);
if (err != 0 || p_response->success == 0) {
return -1;
}
/* count the calls */
for (countCalls = 0, p_cur = p_response->p_intermediates
; p_cur != NULL
; p_cur = p_cur->p_next
) {
countCalls++;
}
p_call = (RIL_Call *)alloca(sizeof(RIL_Call));
memset (p_call, 0, sizeof(RIL_Call));
for (i = 0, p_cur = p_response->p_intermediates
; p_cur != NULL
; p_cur = p_cur->p_next
) {
err = callFromCLCCLine(p_cur->line, p_call);
if (err != 0) {
continue;
}
if(p_call[0].isVoice == 0) // only count data calls
{
callNumber = i;
}
}
return callNumber;
}
/** do post-AT+CFUN=1 initialization */
static void onRadioPowerOn()
{
#ifdef USE_TI_COMMANDS
/* Must be after CFUN=1 */
/* TI specific -- notifications for CPHS things such */
/* as CPHS message waiting indicator */
at_send_command("AT%CPHS=1", NULL);
/* TI specific -- enable NITZ unsol notifs */
at_send_command("AT%CTZV=1", NULL);
#endif
if(phone_is == MODE_GSM)
{
if (!done_first) {
at_send_command("AT+BANDSET=0", NULL);
at_send_command("AT+CGAATT=2,2,0", NULL);
}
// at_send_command("AT+ALS=4294967295", NULL);
at_send_command("AT+ODEN=112", NULL);
at_send_command("AT+ODEN=911", NULL);
at_send_command("AT+ODEN=000", NULL);
at_send_command("AT+ODEN=08", NULL);
at_send_command("AT+ODEN=110", NULL);
at_send_command("AT+ODEN=118", NULL);
at_send_command("AT+ODEN=119", NULL);
pollSIMState(NULL);
} else {
if (!done_first) {
// at_send_command("AT+PREV_CDMA=1", NULL);
at_send_command("AT+CGAATT=2,1,6", NULL); /* '6'=CDMA-only mode, '3'=GSM-only, '0'=world mode */
}
at_send_command("AT+HTC_GPSONE=4", NULL);
at_send_command("AT+CLVL=102", NULL);
setRadioState(Radio_READY);
}
done_first = 1;
}
/** do post- SIM ready initialization */
static void onRadioReady()
{
/* Common initialization commands */
/* Network registration */
at_send_command("AT+COPS=0", NULL);
if(phone_is == MODE_GSM) {
/* Preferred RAT - UMTS Dualmode */
// at_send_command("AT+XRAT=1,2", NULL);
/*
* Always send SMS messages directly to the TE
*
* mode = 1 // discard when link is reserved (link should never be
* reserved)
* mt = 2 // most messages routed to TE
* bm = 2 // new cell BM's routed to TE
* ds = 1 // Status reports routed to TE
* bfr = 1 // flush buffer
*/
// at_send_command("AT+CNMI=1,2,2,1,1", NULL);
at_send_command("AT+CSCB=1", NULL);
/* Enable +CGEV GPRS event notifications, but don't buffer */
// at_send_command("AT+CGEREP=1,0", NULL);
/* Enable NITZ reporting - already done */
// at_send_command("AT+CTZU=1", NULL);
// at_send_command("AT+CTZR=1", NULL);
// at_send_command("AT+HTCCTZR=1", NULL);
/* Enable unsolizited RSSI reporting */
at_send_command("AT@HTCCSQ=1", NULL);
at_send_command_singleline("AT+CSMS=1", "+CSMS:", NULL);
}
}
static void setPhoneMode()
{
if (phone_is == MODE_CDMA) {
Radio_READY = RADIO_STATE_NV_READY;
Radio_NOT_READY = RADIO_STATE_NV_NOT_READY;
LOGD("Using CDMA Phone");
} else {
Radio_READY = RADIO_STATE_SIM_READY;
Radio_NOT_READY = RADIO_STATE_SIM_NOT_READY;
LOGD("Using GSM Phone");
}
setRadioState(Radio_NOT_READY);
}
static void requestRadioPower(void *data, size_t datalen, RIL_Token t)
{
int onOff;
int err;
ATResponse *p_response = NULL;
assert (datalen >= sizeof(int *));
onOff = ((int *)data)[0];
if (onOff == 0 && sState != RADIO_STATE_OFF) {
if((phone_has & MODE_GSM) || world_phone)
err = at_send_command("AT+CFUN=0", &p_response);
else
err = at_send_command("AT+CFUN=66", &p_response);
if (err < 0 || p_response->success == 0) goto error;
setRadioState(RADIO_STATE_OFF);
} else if (onOff > 0 && sState == RADIO_STATE_OFF) {
char value[PROPERTY_VALUE_MAX];
err = at_send_command("AT+CFUN=1", &p_response);
if (err < 0|| p_response->success == 0) {
// Some stacks return an error when there is no SIM,
// but they really turn the RF portion on
// So, if we get an error, let's check to see if it
// turned on anyway
if (isRadioOn() != 1) {
goto error;
}
}
property_get("gsm.current.phone-type", value, "1");
if (value[0] == '2') {
phone_is = MODE_CDMA;
} else {
phone_is = MODE_GSM;
}
/* did we get a mode the phone doesn't support? */
if (!(phone_is & phone_has)) {
phone_is = phone_has;
if (phone_is == MODE_CDMA)
switch_req = RIL_REQUEST_CDMA_SUBSCRIPTION;
/* else what? Dunno what GSM should use */
}
setPhoneMode();
}
at_response_free(p_response);
RIL_onRequestComplete(t, RIL_E_SUCCESS, NULL, 0);
return;
error:
at_response_free(p_response);
RIL_onRequestComplete(t, RIL_E_GENERIC_FAILURE, NULL, 0);
}
static void requestOrSendDataCallList(RIL_Token *t);
static void onDataCallListChanged(void *param)
{
requestOrSendDataCallList(NULL);
}
static void requestDataCallList(void *data, size_t datalen, RIL_Token t)
{
requestOrSendDataCallList(&t);
}
static void requestOrSendDataCallList(RIL_Token *t)
{
ATResponse *p_response;
ATLine *p_cur;
RIL_Data_Call_Response *responses;
int err;
char status[1];
int n = 0;
char *out;
if (phone_is == MODE_GSM) {
err = at_send_command_multiline ("AT+CGACT?", "+CGACT:", &p_response);
if (err != 0 || p_response->success == 0) {
if (t != NULL)
RIL_onRequestComplete(*t, RIL_E_GENERIC_FAILURE, NULL, 0);
else
RIL_onUnsolicitedResponse(RIL_UNSOL_DATA_CALL_LIST_CHANGED,
NULL, 0);
return;
}
for (p_cur = p_response->p_intermediates; p_cur != NULL;
p_cur = p_cur->p_next)
n++;
responses = alloca(n * sizeof(RIL_Data_Call_Response));
int i;
for (i = 0; i < n; i++) {
responses[i].cid = -1;
responses[i].active = -1;
responses[i].type = "";
responses[i].apn = "";
responses[i].address = "";
}
RIL_Data_Call_Response *response = responses;
for (p_cur = p_response->p_intermediates; p_cur != NULL;
p_cur = p_cur->p_next) {
char *line = p_cur->line;
err = at_tok_start(&line);
if (err < 0)
goto error;
err = at_tok_nextint(&line, &response->cid);
if (err < 0)
goto error;
err = at_tok_nextint(&line, &response->active);
if (err < 0)
goto error;
response++;
}
at_response_free(p_response);
err = at_send_command_multiline ("AT+CGDCONT?", "+CGDCONT:", &p_response);
if (err != 0 || p_response->success == 0) {
if (t != NULL)
RIL_onRequestComplete(*t, RIL_E_GENERIC_FAILURE, NULL, 0);
else
RIL_onUnsolicitedResponse(RIL_UNSOL_DATA_CALL_LIST_CHANGED,
NULL, 0);
return;
}
for (p_cur = p_response->p_intermediates; p_cur != NULL;
p_cur = p_cur->p_next) {
char *line = p_cur->line;
int cid;
char *type;
char *apn;
char *address;
err = at_tok_start(&line);
if (err < 0)
goto error;
err = at_tok_nextint(&line, &cid);
if (err < 0)
goto error;
for (i = 0; i < n; i++) {
if (responses[i].cid == cid)
break;
}
if (i >= n) {
/* details for a context we didn't hear about in the last request */
continue;
}
err = at_tok_nextstr(&line, &out);
if (err < 0)
goto error;
responses[i].type = alloca(strlen(out) + 1);
strcpy(responses[i].type, out);
err = at_tok_nextstr(&line, &out);
if (err < 0)
goto error;
responses[i].apn = alloca(strlen(out) + 1);
strcpy(responses[i].apn, out);
err = at_tok_nextstr(&line, &out);
if (err < 0)
goto error;
responses[i].address = alloca(strlen(out) + 1);
strcpy(responses[i].address, out);
}
at_response_free(p_response);
} else {
//CDMA
n = 1;
responses = alloca(sizeof(RIL_Data_Call_Response));
responses[0].cid = 1;
if (dataCallNum() >= 0)
responses[0].active = 1;
else
responses[0].active = 0;
responses[0].type = "IP";
responses[0].apn = "internet";
responses[0].address = "";
}
// make sure pppd is still running, invalidate datacall if it isn't
if (access(PPP_SYS_PATH, F_OK) || data_state < Data_Connected)
{
responses[0].active = 0;
}
if (t != NULL)
RIL_onRequestComplete(*t, RIL_E_SUCCESS, responses,
n * sizeof(RIL_Data_Call_Response));
else
RIL_onUnsolicitedResponse(RIL_UNSOL_DATA_CALL_LIST_CHANGED,
responses,
n * sizeof(RIL_Data_Call_Response));
return;
error:
at_response_free(p_response);
if (t != NULL)
RIL_onRequestComplete(*t, RIL_E_GENERIC_FAILURE, NULL, 0);
else
RIL_onUnsolicitedResponse(RIL_UNSOL_DATA_CALL_LIST_CHANGED,
NULL, 0);
}
static void requestBasebandVersion(void *data, size_t datalen, RIL_Token t)
{
int err;
ATResponse *p_response = NULL;
char* line = NULL;
char response[256], *ptr;
/* AMSS version */
/* Old CDMA phones don't support RADIOVER command */
if (phone_has == MODE_CDMA && !world_phone) {
char *comma;
int len = 128;
err = at_send_command_singleline("AT+HTC_RSINFO=0", "+HTC_RSINFO:", &p_response);
if (err != 0 || !p_response->success) goto error;
line = p_response->p_intermediates->line;
at_tok_start(&line);
err = at_tok_nextstr(&line, &ptr);
if (err < 0) goto error;
comma = strchr(ptr, ',');
if (comma)
len = comma - ptr;
strncpy(response, ptr, len);
response[len] = '\0';
at_response_free(p_response);
} else {
err = at_send_command_singleline("AT+RADIOVER", "+RADIOVER:", &p_response);
if (err != 0 || !p_response->success) goto error;
line = p_response->p_intermediates->line;
at_tok_start(&line);
err = at_tok_nextstr(&line, &ptr);
if (err < 0) goto error;
strncpy(response, ptr, 128);
response[128] = '\0';
at_response_free(p_response);
}
/* Radio version */
err = at_send_command_singleline("AT@v", "", &p_response);
if (err != 0 || !p_response->success) goto error;
line = p_response->p_intermediates->line;
err = at_tok_nextstr(&line, &ptr);
if (err < 0) goto error;
strcat(response, "_");
strncat(response, ptr, 127);
response[255] = '\0';
at_response_free(p_response);
RIL_onRequestComplete(t, RIL_E_SUCCESS, response, sizeof(char *));
return;
error:
at_response_free(p_response);
LOGE("ERROR: requestBasebandVersion failed\n");
RIL_onRequestComplete(t, RIL_E_GENERIC_FAILURE, NULL, 0);
}
/* This command is GSM only */
static void requestQueryNetworkSelectionMode(
void *data, size_t datalen, RIL_Token t)
{
int err;
ATResponse *p_response = NULL;
int response = 0;
char *line;
if(regstate != REG_HOME && regstate != REG_ROAM) {
RIL_onRequestComplete(t, RIL_E_OP_NOT_ALLOWED_BEFORE_REG_TO_NW, NULL, 0);
return;
}
if(phone_is == MODE_GSM) { //this command conflicts with the network status command
if (gsm_selmode == -1) {
err = at_send_command_singleline("AT+COPS?", "+COPS:", &p_response);
if (err < 0 || p_response->success == 0) {
goto error;
}
line = p_response->p_intermediates->line;
err = at_tok_start(&line);
if (err < 0) {
goto error;
}
err = at_tok_nextint(&line, &response);
if (err < 0) {
goto error;
}
} else {
response = gsm_selmode;
}
}
RIL_onRequestComplete(t, RIL_E_SUCCESS, &response, sizeof(int));
at_response_free(p_response);
return;
error:
at_response_free(p_response);
LOGE("requestQueryNetworkSelectionMode must never return error when radio is on");
RIL_onRequestComplete(t, RIL_E_GENERIC_FAILURE, NULL, 0);
}
static void requestQueryAvailableNetworks(void *data, size_t datalen, RIL_Token t)
{
/* We expect an answer on the following form:
+COPS: (2,"AT&T","AT&T","310410",0),(1,"T-Mobile ","TMO","310260",0)
*/
int err, operators, i, skip, status;
ATResponse *p_response = NULL;
char * c_skip, *line, *p = NULL;
char ** response = NULL;
err = at_send_command_singleline("AT+COPS=?", "+COPS:", &p_response);
if (err != 0 || !p_response->success) goto error;
line = p_response->p_intermediates->line;
err = at_tok_start(&line);
if (err < 0) goto error;
/* Count number of '(' in the +COPS response to get number of operators*/
operators = 0;
for (p = line ; *p != '\0' ;p++) {
if (*p == '(') operators++;
}
response = (char **)alloca(operators * 4 * sizeof(char *));
for (i = 0 ; i < operators ; i++ )
{
err = at_tok_nextstr(&line, &c_skip);
if (err < 0) goto error;
if (strcmp(c_skip,"") == 0)
{
operators = i;
continue;
}
status = atoi(&c_skip[1]);
response[i*4+3] = (char*)networkStatusToRilString(status);
err = at_tok_nextstr(&line, &(response[i*4+0]));
if (err < 0) goto error;
err = at_tok_nextstr(&line, &(response[i*4+1]));
if (err < 0) goto error;
err = at_tok_nextstr(&line, &(response[i*4+2]));
if (err < 0) goto error;
err = at_tok_nextstr(&line, &c_skip);
if (err < 0) goto error;
}
RIL_onRequestComplete(t, RIL_E_SUCCESS, response, (operators * 4 * sizeof(char *)));
at_response_free(p_response);
return;
error:
at_response_free(p_response);
LOGE("ERROR - requestQueryAvailableNetworks() failed");
RIL_onRequestComplete(t, RIL_E_GENERIC_FAILURE, NULL, 0);
}
static void requestGetPreferredNetworkType(void *data, size_t datalen, RIL_Token t)
{
int err;
ATResponse *p_response = NULL;
int response = 0, r2;
char *line;
err = at_send_command_singleline("AT+CGAATT?", "+CGAATT:", &p_response);
if (err < 0 || p_response->success == 0) {
goto error;
}
line = p_response->p_intermediates->line;
err = at_tok_start(&line);
if (err < 0) {
goto error;
}
// Get third int in response
err = at_tok_nextint(&line, &response);
if (err < 0) {
goto error;
}
err = at_tok_nextint(&line, &r2);
if (err < 0) {
goto error;
}
err = at_tok_nextint(&line, &response);
if (err < 0) {
goto error;
}
response += r2 * 10;
switch(response) {
case 20: response = 0; break;
case 11: response = 1; break;
case 22: response = 2; break;
case 13: response = 3; break;
case 16: response = 4; break;
case 14: response = 5; break;
case 15: response = 6; break;
case 10: response = 7; break;
}
RIL_onRequestComplete(t, RIL_E_SUCCESS, &response, sizeof(int));
at_response_free(p_response);
return;
error:
at_response_free(p_response);
LOGE("ERROR: requestGetPreferredNetworkType() failed\n");
RIL_onRequestComplete(t, RIL_E_GENERIC_FAILURE, NULL, 0);
}
static void requestSetPreferredNetworkType(void *data, size_t datalen, RIL_Token t)
{
int err, rat;
ATResponse *p_response = NULL;
char cmd[sizeof("AT+CGAATT=2,1,0")];
const char *at_rat = NULL;
int newmode;
assert (datalen >= sizeof(int *));
rat = ((int *)data)[0];
#ifdef USE_IDCC_MODEM
switch (rat)
{
case 0: at_rat = "1,2"; break;/* Dual Mode - WCDMA preferred*/
case 1: at_rat = "0"; break; /* GSM only */
case 2: at_rat = "2"; break; /* WCDMA only */
}
/* Need to unregister from NW before changing preferred RAT */
err = at_send_command("AT+COPS=2", NULL);
if (err < 0) goto error;
sprintf(cmd, "AT+XRAT=%s", at_rat);
#else
LOGD("In requestSetPreferredNetworkType RAPH");
switch (rat) {
case 0:
case 1:
case 2:
case 3: