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/*
* This file is part of libsamsung-ipc.
*
* Copyright (C) 2014 Paul Kocialkowsk <contact@paulk.fr>
* Copyright (C) 2021 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
*
* libsamsung-ipc is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* libsamsung-ipc 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 libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include "common/modem.h"
void modem_log_handler(void *user_data, const char *msg)
{
int i, l;
char *message;
message = strdup(msg);
l = strlen(message);
if (l > 1) {
for (i = l ; i > 0 ; i--) {
if (message[i] == '\n')
message[i] = 0;
else if (message[i] != 0)
break;
}
if (user_data == NULL) {
printf("[ ipc ] %s\n", message);
}
if (user_data != NULL) {
printf("[ %s ] %s\n", user_data, message);
}
}
free(message);
}
static void usage(char* progname)
{
printf("Usage: %s\n", progname);
}
/* TODO: check authorship from git log in samsung-ipc/ipc.c */
void ipc_imei_log(struct ipc_client *client, const char *message, ...)
{
char buffer[4096];
va_list args;
if (client == NULL || message == NULL)
return;
va_start(args, message);
vsnprintf((char *) &buffer, sizeof(buffer), message, args);
modem_log_handler("ipc-imei", buffer); /* No access to ipc_client) */
va_end(args);
}
int ipc_imei_request_imei(struct ipc_client *client)
{
struct ipc_misc_me_sn_request_data request_data;
int rc;
if (!client)
return 0;
ipc_imei_log(client, "ENTER %s\n", __func__);
request_data.type = IPC_MISC_ME_SN_SERIAL_NUM;
rc = ipc_client_send(client, seq_get(), IPC_MISC_ME_SN, IPC_TYPE_GET,
(void *) &request_data, sizeof(request_data));
if (rc < 0)
ipc_imei_log(client, "ipc_client_send failed with error %d\n",
rc);
ipc_imei_log(client, "EXIT %s\n", __func__);
return rc;
}
int ipc_imei_parse_imei_response(struct ipc_client *client,
struct ipc_message *message,
__attribute__((unused)) void* app_data)
{
struct ipc_misc_me_sn_response_data *data;
char *imei;
if (!client)
return 0;
if (message == NULL) {
ipc_imei_log(client,
"%s: ipc_message is null\n", __FUNCTION__);
return -EAGAIN;
}
data = (struct ipc_misc_me_sn_response_data *) message->data;
if (data->type != IPC_MISC_ME_SN_SERIAL_NUM)
return -EAGAIN;
imei = ipc_misc_me_sn_extract(data);
if (strlen (imei) > 15 * sizeof(char))
imei[15] = '\0';
ipc_imei_log(client, "%s: found IMEI '%s'\n", __FUNCTION__, imei);
free(imei);
/* Exit */
return 0;
}
static int ipc_imei_response_handle(struct ipc_client *client,
struct ipc_message *resp,
void *data)
{
int rc;
ipc_client_log(client, "ENTER HANDLER %s\n", __func__);
if (!client)
return 0;
switch (IPC_GROUP(resp->command)) {
case IPC_GROUP_MISC:
if (resp->command == IPC_MISC_ME_SN) {
rc = ipc_imei_parse_imei_response(client, resp, data);
return rc;
}
default:
ipc_imei_log(client, "Unhandled %s command",
ipc_group_string(IPC_GROUP(resp->command)));
return -EAGAIN;
}
}
int main(int argc, char** argv)
{
struct ipc_client *client = NULL;
struct app_modem_response_handler handler;
int rc;
if (argc == 0) {
exit(EX_USAGE);
} else if (argc != 1) {
usage(argv[0]);
exit(EX_USAGE);
}
client = ipc_client_create(IPC_CLIENT_TYPE_FMT);
if (client == NULL) {
printf("Creating client failed\n");
return 1;
}
rc = ipc_client_log_callback_register(client, modem_log_handler, NULL);
if (rc < 0) {
printf("ipc_imei_log_callback_registerma failed:"
" error %d\n", rc);
return 1;
}
ipc_imei_log(client, "ipc_client_log_callback_register done");
/* register new callback that would take over after modem_start is
* done
*/
rc = register_app_modem_response_handler(client, &handler,
ipc_imei_response_handle,
NULL);
if (rc < 0) {
ipc_imei_log(client,
"register_app_modem_response_handler failed: "
"error %d\n",
rc);
return 1;
}
ipc_imei_log(client, "Starting modem");
rc = modem_start(client, MODEM_STATE_LPM, &handler);
if (rc < 0) {
ipc_imei_log(client, "modem_start failed: error %d\n", rc);
return 1;
}
ipc_imei_log(client, "modem_start done\n");
// ipc_imei_request_imei(client);
ipc_imei_log(client, "ipc_imei_request_imei done\n");
/* TODO: MODEM_STATE_LPM is not needed here */
rc = modem_read_loop(client, MODEM_STATE_LPM, &handler);
if (rc < 0)
ipc_imei_log(client,
"ipc-imei: modem_read_loop failed: error %d\n",
rc);
ipc_imei_log(client, "ipc-imei: modem_read_loop done");
rc = modem_stop(client);
if (rc < 0) {
ipc_imei_log(client, "modem_stop failed: error %d\n", rc);
return 1;
}
return 0;
}
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