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/*
* DLT multi process tester
* @licence app begin@
*
* Copyright (C) 2011, BMW AG - Lassi Marttala <Lassi.LM.Marttala@partner.bmw.de>
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU Lesser General Public License, version 2.1, 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 Lesser General
* Public License, version 2.1, for more details.
*
* You should have received a copy of the GNU Lesser General Public License, version 2.1, along
* with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
*
* Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may
* also be applicable to programs even in cases in which the program is not a library in the technical sense.
*
* Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may
* license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to
* license your linked modules under the GNU Lesser General Public License, version 2.1, you
* may use the program under the following exception.
*
* As a special exception, the copyright holders of DLT give you permission to combine DLT
* with software programs or libraries that are released under any license unless such a combination is not
* permitted by the license of such a software program or library. You may copy and distribute such a
* system following the terms of the GNU Lesser General Public License, version 2.1, including this
* special exception, for DLT and the licenses of the other code concerned.
*
* Note that people who make modified versions of DLT are not obligated to grant this special exception
* for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License,
* version 2.1, gives permission to release a modified version without this exception; this exception
* also makes it possible to release a modified version which carries forward this exception.
*
* @licence end@
*/
/*******************************************************************************
** **
** SRC-MODULE: dlt-test-multi-process-client.c **
** **
** TARGET : linux **
** **
** PROJECT : DLT **
** **
** AUTHOR : Lassi Marttala <Lassi.LM.Marttala@partner.bmw.de> **
** **
** PURPOSE : Receive, validate and measure data from multi process tester **
** **
** REMARKS : **
** **
** PLATFORM DEPENDANT [yes/no]: yes **
** **
** TO BE CHANGED BY USER [yes/no]: no **
** **
*******************************************************************************/
// System includes
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <ctype.h>
#include <stdlib.h>
#include <time.h>
// DLT Library includes
#include "dlt_client.h"
#include "dlt_protocol.h"
#include "dlt_user.h"
// PRivate includes
#include "dlt-test-multi-process.h"
// Local data structures
typedef struct {
int verbose;
} s_parameters;
typedef struct {
int messages_received;
int broken_messages_received;
int bytes_received;
int first_message_time;
} s_statistics;
// Forward declarations
int receive(DltMessage *msg, void *data);
/**
* Print usage information
*/
void usage(char *name) {
printf("Usage: %s [options] <remote address>\n", name);
}
/**
* Initialize reasonable default parameters.
*/
void init_params(s_parameters *params) {
params->verbose = 0;
}
/**
* Read the command line parameters
*/
int read_params(s_parameters *params, int argc, char *argv[]) {
init_params(params);
int c;
opterr = 0;
while ((c = getopt(argc, argv, "v")) != -1) {
switch (c) {
case 'v':
params->verbose = 1;
break;
case '?':
/*if(optopt == '')
{
fprintf(stderr, "Option -%c requires an argument.\n", optopt);
}*/
if (isprint(optopt)) {
fprintf(stderr, "Unknown option '-%c'.\n", optopt);
} else {
fprintf(stderr, "Unknown option character '\\x%x'.\n", optopt);
}
return -1;
break;
default:
return -1;
}
}
return 0;
}
/**
* Set the connection parameters for dlt client
*/
int init_dlt_connect(DltClient *client, int argc, char *argv[]) {
char id[4];
if (argc < 2)
return -1;
client->servIP = argv[argc - 1];
dlt_set_id(id, ECUID);
return 0;
}
/**
* Entry point
*/
int main(int argc, char *argv[]) {
s_parameters params;
DltClient client;
int err = read_params(¶ms, argc, argv);
if (err != 0) {
usage(argv[0]);
return err;
}
dlt_client_init(&client, params.verbose);
dlt_client_register_message_callback(receive);
err = init_dlt_connect(&client, argc, argv);
if (err != 0) {
usage(argv[0]);
return err;
}
err = dlt_client_connect(&client, params.verbose);
if (err != 0) {
printf("Failed to connect %s\n", client.servIP);
return err;
}
dlt_client_main_loop(&client, NULL, params.verbose);
return 0;
}
/**
* Print current test statistics
*/
void print_stats(s_statistics stats)
{
static int last_print_time;
if(last_print_time >= time(NULL)) return; // Only print once a second
printf("\033[2J\033[1;1H"); // Clear screen.
printf("Statistics:\n");
printf(" Messages received : %d\n", stats.messages_received);
printf(" Broken messages received : %d\n", stats.broken_messages_received);
printf(" Bytes received : %d\n", stats.bytes_received);
printf(" Time running (seconds) : %ld\n", time(NULL)-stats.first_message_time);
printf(" Throughput (msgs/sec)/(B/sec) : %ld/%ld\n",
stats.messages_received/((time(NULL)-stats.first_message_time)+1),
(stats.bytes_received)/((time(NULL)-stats.first_message_time)+1));
fflush(stdout);
last_print_time = time(NULL);
}
/**
* Callback for dlt client
*/
int receive(DltMessage *msg, void *data) {
static s_statistics stats;
char apid[5];
memset(apid, 0, 5);
memcpy(apid, msg->extendedheader->apid, 4);
if(strcmp(apid, DMPT_NAME) != 0) // Skip other messages
return 0;
if(stats.first_message_time == 0)
{
stats.first_message_time = time(NULL);
}
int buflen = msg->datasize + 1;
char *buf = malloc(buflen);
memset(buf, 0, buflen);
dlt_message_payload(msg,buf,buflen-1,DLT_OUTPUT_ASCII,0);
if(strcmp(buf, PAYLOAD_DATA) == 0)
{
stats.messages_received++;
}
else
{
stats.broken_messages_received++;
}
stats.bytes_received += buflen;
free(buf);
print_stats(stats);
return 0;
}
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