int main(int argc, char **argv)
{
int r;
int handle;
struct termios attr;
char * name = argv[0];
char * device = 0;
struct stat statbuf;
int pid = 0;
int speed;
setProgName(argv[0]);
while (argc > 1)
{
if (strcasecmp(argv[1], "-version") == 0)
{
printf("%s\n", VERSION);
exit(0);
}
else if (strcasecmp(argv[1], "-w") == 0)
{
writeonly = 1;
}
else if (strcasecmp(argv[1], "-p") == 0)
{
passthru = 1;
}
else if (strcasecmp(argv[1], "-r") == 0)
{
readonly = 1;
}
else if (strcasecmp(argv[1], "-v") == 0)
{
verbose = 1;
}
else if (strcasecmp(argv[1], "-t") == 0 && argc > 2)
{
argc--;
argv++;
timeout = strtol(argv[1], 0, 10);
logDebug("timeout set to %ld seconds\n", timeout);
}
else if (strcasecmp(argv[1], "-s") == 0 && argc > 2)
{
argc--;
argv++;
speed = strtol(argv[1], 0, 10);
switch (speed)
{
case 38400:
baudRate = B38400;
break;
case 57600:
baudRate = B57600;
break;
case 115200:
baudRate = B115200;
break;
case 230400:
baudRate = B230400;
break;
#ifdef B460800
case 460800:
baudRate = B460800;
break;
#endif
#ifdef B921600
case 921600:
baudRate = B921600;
break;
#endif
default:
baudRate = speed;
break;
}
logDebug("speed set to %d (%d) baud\n", speed, baudRate);
}
else if (strcasecmp(argv[1], "-d") == 0)
{
setLogLevel(LOGLEVEL_DEBUG);
}
else if (strcasecmp(argv[1], "-o") == 0)
{
outputCommands = 1;
}
else if (!device)
{
device = argv[1];
}
else
{
device = 0;
break;
}
argc--;
argv++;
}
if (!device)
{
fprintf(stderr,
"Usage: %s [-w] -[-p] [-r] [-v] [-d] [-s <n>] [-t <n>] device\n"
"\n"
"Options:\n"
" -w writeonly mode, no data is read from device\n"
" -r readonly mode, no data is sent to device\n"
" -p passthru mode, data on stdin is sent to stdout but not to device\n"
" -v verbose\n"
" -d debug\n"
" -s <n> set baudrate to 38400, 57600, 115200, 230400"
#ifdef B460800
", 460800"
#endif
#ifdef B921600
", 921600"
#endif
"\n"
" -t <n> timeout, if no message is received after <n> seconds the program quits\n"
" -o output commands sent to stdin to the stdout \n"
" <device> can be a serial device, a normal file containing a raw log,\n"
" or the address of a TCP server in the format tcp://<host>[:<port>]\n"
"\n"
" Examples: %s /dev/ttyUSB0\n"
" %s tcp://192.168.1.1:10001\n"
"\n" COPYRIGHT,
name,
name,
name);
exit(1);
}
retry:
logDebug("Opening %s\n", device);
if (strncmp(device, "tcp:", STRSIZE("tcp:")) == 0)
{
handle = open_socket_stream(device);
logDebug("socket = %d\n", handle);
isFile = true;
if (handle < 0)
{
fprintf(stderr, "Cannot open NGT-1-A TCP stream %s\n", device);
exit(1);
}
}
else
{
handle = open(device, O_RDWR | O_NOCTTY | O_NONBLOCK);
logDebug("fd = %d\n", handle);
if (handle < 0)
{
logAbort("Cannot open NGT-1-A device %s\n", device);
}
if (fstat(handle, &statbuf) < 0)
{
logAbort("Cannot determine device %s\n", device);
}
isFile = S_ISREG(statbuf.st_mode);
}
if (isFile)
{
logInfo("Device is a normal file, do not set the attributes.\n");
}
else
{
logDebug("Device is a serial port, set the attributes.\n");
memset(&attr, 0, sizeof(attr));
if (cfsetspeed(&attr, baudRate) < 0)
{
logAbort("Could not set baudrate %d\n", speed);
}
attr.c_cflag |= CS8 | CLOCAL | CREAD;
attr.c_iflag |= IGNPAR;
attr.c_cc[VMIN] = 1;
attr.c_cc[VTIME] = 0;
tcflush(handle, TCIFLUSH);
tcsetattr(handle, TCSANOW, &attr);
logDebug("Device is a serial port, send the startup sequence.\n");
writeMessage(handle, NGT_MSG_SEND, NGT_STARTUP_SEQ, sizeof(NGT_STARTUP_SEQ));
sleep(2);
}
for (;;)
{
unsigned char msg[BUFFER_SIZE];
size_t msgLen;
int r = isReady(writeonly ? INVALID_SOCKET : handle, readonly ? INVALID_SOCKET : 0, INVALID_SOCKET, timeout);
if ((r & FD1_ReadReady) > 0)
{
if (!readNGT1(handle))
{
break;
}
}
if ((r & FD2_ReadReady) > 0)
{
if (!readIn(msg, sizeof(msg)))
{
break;
}
if (!passthru)
{
parseAndWriteIn(handle, msg);
}
if (outputCommands)
{
fprintf(stdout, "%s", msg);
fflush(stdout);
}
}
else if (writeonly)
{
break;
}
}
close(handle);
return 0;
}
int main(int argc, char ** argv)
{
int r;
int handle;
struct termios attr;
char * name = argv[0];
char * device = 0;
struct stat statbuf;
int pid = 0;
setProgName(argv[0]);
while (argc > 1)
{
if (strcasecmp(argv[1], "-w") == 0)
{
writeonly = 1;
}
else if (strcasecmp(argv[1], "-p") == 0)
{
passthru = 1;
}
else if (strcasecmp(argv[1], "-r") == 0)
{
readonly = 1;
}
else if (strcasecmp(argv[1], "-v") == 0)
{
verbose = 1;
}
else if (strcasecmp(argv[1], "-t") == 0 && argc > 2)
{
argc--;
argv++;
timeout = strtol(argv[1], 0, 10);
logDebug("timeout set to %ld seconds\n", timeout);
}
else if (strcasecmp(argv[1], "-d") == 0)
{
debug = 1;
setLogLevel(LOGLEVEL_DEBUG);
}
else if (!device)
{
device = argv[1];
}
else
{
device = 0;
break;
}
argc--;
argv++;
}
if (!device)
{
fprintf(stderr,
"Usage: %s [-w] -[-p] [-r] [-v] [-d] [-t <n>] device\n"
"\n"
"Options:\n"
" -w writeonly mode, no data is read from device\n"
" -r readonly mode, no data is sent to device\n"
" -p passthru mode, data on stdin is sent to stdout but not to device\n"
" -v verbose\n"
" -d debug\n"
" -t <n> timeout, if no message is received after <n> seconds the program quits\n"
" <device> can be a serial device, a normal file containing a raw log,\n"
" or the address of a TCP server in the format tcp://<host>[:<port>]\n"
"\n"
" Examples: %s /dev/ttyUSB0\n"
" %s tcp://192.168.1.1:10001\n"
"\n"
COPYRIGHT, name, name, name);
exit(1);
}
retry:
if (debug) fprintf(stderr, "Opening %s\n", device);
if (strncmp(device, "tcp:", STRSIZE("tcp:")) == 0)
{
handle = open_socket_stream(device);
if (debug) fprintf(stderr, "socket = %d\n", handle);
isFile = true;
if (handle < 0)
{
fprintf(stderr, "Cannot open NGT-1-A TCP stream %s\n", device);
exit(1);
}
}
else
{
handle = open(device, O_RDWR | O_NOCTTY | O_NONBLOCK);
if (debug) fprintf(stderr, "fd = %d\n", handle);
if (handle < 0)
{
fprintf(stderr, "Cannot open NGT-1-A device %s\n", device);
exit(1);
}
if (fstat(handle, &statbuf) < 0)
{
fprintf(stderr, "Cannot determine device %s\n", device);
exit(1);
}
isFile = S_ISREG(statbuf.st_mode);
}
if (isFile)
{
if (debug) fprintf(stderr, "Device is a normal file, do not set the attributes.\n");
}
else
{
if (debug) fprintf(stderr, "Device is a serial port, set the attributes.\n");
memset(&attr, 0, sizeof(attr));
cfsetispeed(&attr, B115200);
cfsetospeed(&attr, B115200);
attr.c_cflag |= CS8 | CLOCAL | CREAD;
attr.c_iflag |= IGNPAR;
attr.c_cc[VMIN] = 1;
attr.c_cc[VTIME] = 0;
tcflush(handle, TCIFLUSH);
tcsetattr(handle, TCSANOW, &attr);
if (debug) fprintf(stderr, "Device is a serial port, send the startup sequence.\n");
writeMessage(handle, NGT_MSG_SEND, NGT_STARTUP_SEQ, sizeof(NGT_STARTUP_SEQ));
sleep(2);
}
for (;;)
{
unsigned char msg[BUFFER_SIZE];
size_t msgLen;
enum ReadyDescriptor r;
r = isready(writeonly ? -1 : handle, readonly ? -1 : 0);
if ((r & FD1_Ready) > 0)
{
if (!readNGT1(handle))
{
break;
}
}
if ((r & FD2_Ready) > 0)
{
if (!readIn(msg, sizeof(msg)))
{
break;
}
if (!passthru)
{
parseAndWriteIn(handle, msg);
}
fprintf(stdout, "%s", msg);
fflush(stdout);
}
else if (writeonly)
{
break;
}
}
close(handle);
return 0;
}