mbtk/mbtk_rild/src/mbtk_call.c

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sys/epoll.h>
#include <fcntl.h>
#include <signal.h>

#include "mbtk_type.h"
#include "mbtk_info.h"
#include "atchannel.h"
#include "at_tok.h"
#include "mbtk_utils.h"
#include "info_data.h"

void pack_rsp_send(int fd, int info_id, const void* data, int data_len);


/*
ATDXXXXXXX;
OK

*/
static int req_call_start(char *phont_number, int *cme_err)
{
    ATResponse *response = NULL;
    int tmp_int;
    char *tmp_str = NULL;
    char cmd[100] = {0};
    sprintf(cmd, "ATD%s;", phont_number);
    int err = at_send_command(cmd, &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}

/*

AT+CHLD=2
OK

*/
static int req_answer_call(int *cme_err)
{
    ATResponse *response = NULL;
    int err = at_send_command("AT+CHLD=2", &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}

/*
ATH
OK

*/
static int req_hangup_call(int *cme_err)
{
    ATResponse *response = NULL;
    int err = at_send_command("ATH", &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}

/*
AT+CHLD=1x
OK

*/
static int req_hangup_a_call(int phone_id, int *cme_err)
{
    ATResponse *response = NULL;
    char cmd[100] = {0};
    sprintf(cmd, "AT+CHLD=1%d", phone_id);
    int err = at_send_command(cmd, &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}

/*
AT+CHLD=0
OK

*/
static int req_hangup_waiting_or_background_call(int *cme_err)
{
    ATResponse *response = NULL;
    int err = at_send_command("AT+CHLD=0", &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}

/*
AT+CHLD=1
OK

*/
static int req_hangup_foreground_resume_background_call(int *cme_err)
{
    ATResponse *response = NULL;
    int err = at_send_command("AT+CHLD=1", &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}

/*
AT+CLCC
OK

*/
static int req_waitin_call(mbtk_call_info_t *reg, int *cme_err)
{
    ATResponse *response = NULL;
    int tmp_int;
    char *tmp_str = NULL;
    
    int err = at_send_command_multiline("AT+CLCC", "+CLCC:", &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

    if(response->success == 1 && !response->p_intermediates)
    {
        reg->call_wait = 0;
        goto exit;
    }

    reg->call_wait = 1;
    char *line = response->p_intermediates->line;
    err = at_tok_start(&line);
    if (err < 0)
    {
        goto exit;
    }
    err = at_tok_nextint(&line, &tmp_int); // dir1
    if (err < 0)
    {
        goto exit;
    }
    reg->dir1 = (uint8)tmp_int;
    err = at_tok_nextint(&line, &tmp_int);// dir
    if (err < 0)
    {
        goto exit;
    }
    reg->dir = (uint8)tmp_int;
    err = at_tok_nextint(&line, &tmp_int);// state
    if (err < 0)
    {
        goto exit;
    }
    reg->state = (uint8)tmp_int;
    err = at_tok_nextint(&line, &tmp_int);// mode
    if (err < 0)
    {
        goto exit;
    }
    reg->mode = (uint8)tmp_int;
    err = at_tok_nextint(&line, &tmp_int);// mpty
    if (err < 0)
    {
        goto exit;
    }
    reg->mpty = (uint8)tmp_int;
    err = at_tok_nextstr(&line, &tmp_str); // phone_number
    if (err < 0)
    {
        goto exit;
    }
    memcpy(reg->phone_number, tmp_str, strlen(tmp_str));
    err = at_tok_nextint(&line, &tmp_int);// tpye
    if (err < 0)
    {
        goto exit;
    }
    reg->type = (uint8)tmp_int;

exit:
    at_response_free(response);
    return err;
}

/*
AT+CMUT?
+CMUT: 0

OK
*/
static int req_mute_get(int *state, int *cme_err)
{
    ATResponse *response = NULL;
    int tmp_int;
    int err = at_send_command_singleline("AT+CMUT?", "+CMUT:", &response);

    if (err < 0 || response->success == 0 || !response->p_intermediates){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

    char *line = response->p_intermediates->line;
    err = at_tok_start(&line);
    if (err < 0)
    {
        goto exit;
    }
    err = at_tok_nextint(&line, &tmp_int);
    if (err < 0)
    {
        goto exit;
    }
    *state = tmp_int;

exit:
    at_response_free(response);
    return err;
}

/*
AT+CMUT=0;
OK

*/
static int req_mute_set(int state, int *cme_err)
{
    ATResponse *response = NULL;
    char cmd[100] = {0};
    sprintf(cmd, "AT+CMUT=%d", state);
    LOG("Set the mute command is = %s.\n", cmd);
    int err = at_send_command(cmd, &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}

/*
AT+VTS=0; //0, 1, ..., 9, A, B, C, D, *, #
OK

*/
static int req_dtmf_set(mbtk_call_dtmf_info_t *state, int *cme_err)
{
    ATResponse *response = NULL;
    char cmd[100] = {0};
    sprintf(cmd, "AT+VTS=%c,%d", state->character, state->duration);
    LOG("Set the DTMF command is = %s.\n", cmd);
    int err = at_send_command(cmd, &response);
    if (err < 0 || response->success == 0){
        *cme_err = at_get_cme_error(response);
        goto exit;
    }

exit:
    at_response_free(response);
    return err;
}


//void net_list_free(void *data);
// Return MBTK_INFO_ERR_SUCCESS,will call pack_error_send() to send RSP.
// Otherwise, do not call pack_error_send().
mbtk_info_err_enum call_pack_req_process(sock_client_info_t* cli_info, mbtk_info_pack_t* pack)
{
    mbtk_info_err_enum err = MBTK_INFO_ERR_SUCCESS;
    int cme_err = MBTK_INFO_ERR_CME_NON;
    switch(pack->info_id)
    {
        case MBTK_INFO_ID_CALL_START_REQ: // <string> phone number
        {
            if(pack->data_len == 0 || pack->data == NULL)
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
            }
            else     // Set
            {
                char *pn = (char*)(pack->data);
                if(req_call_start(pn, &cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("ATD fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_START_RSP, NULL, 0);
                }
            }
            break;
        }
        case MBTK_INFO_ID_CALL_ANSWER_REQ:
        {
            if(pack->data_len == 0 || pack->data == NULL)
            {
               if(req_answer_call(&cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Answer call fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_ANSWER_RSP, NULL, 0);
                }
            }
            else     // Set
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
                LOG("Answer call fail. NO DATA\n");
            }
            break;
        }
        case MBTK_INFO_ID_CALL_HANGUP_REQ:
        {
            if(pack->data_len == 0 || pack->data == NULL)
            {
                if(req_hangup_call(&cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Hang up call fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_HANGUP_RSP, NULL, 0);
                }
            }
            else     // Set
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
                LOG("Hang up call fail.");
            }
            break;
        }
        case MBTK_INFO_ID_CALL_HANGUP_A_REQ:
        {
            if(pack->data_len == 0 || pack->data == NULL)
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
                LOG("Hang up a call fail.");
            }
            else
            {
                uint8 phone_id = *(pack->data);
                if(req_hangup_a_call(phone_id, &cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Hang up a call fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_HANGUP_A_RSP, NULL, 0);
                }
            }
            break;
        }
        case MBTK_INFO_ID_CALL_HANGUP_B_REQ:
        {
            if(pack->data_len == 0 || pack->data == NULL)
            {
                if(req_hangup_waiting_or_background_call(&cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Hang up waiting_or_background call fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_HANGUP_B_RSP, NULL, 0);
                }
            }
            else
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
                LOG("Hang up waiting_or_background call fail.");
            }
            break;
        }
        case MBTK_INFO_ID_CALL_HANGUP_C_REQ:
        {
            if(pack->data_len == 0 || pack->data == NULL)
            {
                if(req_hangup_foreground_resume_background_call(&cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Hang up waiting_or_background call fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_HANGUP_C_RSP, NULL, 0);
                }
            }
            else
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
                LOG("Hang up waiting_or_background call fail.");
            }
            break;
        }
        case MBTK_INFO_ID_CALL_WAITIN_REQ:
        {
            if(pack->data_len == 0 || pack->data == NULL)
            {
                mbtk_call_info_t reg;
                memset(&reg, 0, sizeof(mbtk_call_info_t));
                if(req_waitin_call(&reg, &cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Wait incoing call fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_WAITIN_RSP, &reg, sizeof(mbtk_call_info_t));
                }
            }
            else     // Set
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
                LOG("Wait incoing call fail.");
            }
            break;
        }
        case MBTK_INFO_ID_CALL_MUTE_REQ:
        {
            if(pack->data_len == 0 || pack->data == NULL)   // Get VoLTE state.
            {
                int state;
                if(req_mute_get(&state, &cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Get mute state fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_MUTE_RSP, &state, sizeof(uint8));
                }
            }
            else     // Set mute state.
            {
                uint8 on = *(pack->data);
                if(pack->data_len != sizeof(uint8) || (on != 0 && on != 1))
                {
                    err = MBTK_INFO_ERR_REQ_PARAMETER;
                    LOG("Set mute parameter error.");
                    break;
                }

                if(req_mute_set(on, &cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Set mute state fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_MUTE_RSP, NULL, 0);
                }
            }
            break;
        }
        case MBTK_INFO_ID_CALL_DTMF_REQ:
            if(pack->data_len == 0 || pack->data == NULL)
            {
                err = MBTK_INFO_ERR_UNSUPPORTED;
                LOG("Wait incoing call fail.");
            }
            else     // Set
            {
                mbtk_call_dtmf_info_t *reg = (mbtk_call_dtmf_info_t *)pack->data;
                if(req_dtmf_set(reg, &cme_err) || cme_err != MBTK_INFO_ERR_CME_NON)
                {
                    if(cme_err != MBTK_INFO_ERR_CME_NON) {
                        err = MBTK_INFO_ERR_CME + cme_err;
                    } else {
                        err = MBTK_INFO_ERR_UNKNOWN;
                    }
                    LOG("Wait incoing call fail.");
                }
                else
                {
                    pack_rsp_send(cli_info->fd, MBTK_INFO_ID_CALL_DTMF_RSP, NULL, 0);
                }
            }
            break;


        default:
        {
            err = MBTK_INFO_ERR_REQ_UNKNOWN;
            LOG("Unknown request : %s", id2str(pack->info_id));
            break;
        }
    }

    return err;
}