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|
/*****************************************************************
|
| Neptune Utilities - Network Ping Client
|
| (c) 2001-2005 Gilles Boccon-Gibod
| Author: Gilles Boccon-Gibod (bok@bok.net)
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "NptConfig.h"
#include "Neptune.h"
#include "NptDebug.h"
#if defined(NPT_CONFIG_HAVE_STDLIB_H)
#include <stdlib.h>
#endif
#if defined(NPT_CONFIG_HAVE_STRING_H)
#include <string.h>
#endif
#if defined(NPT_CONFIG_HAVE_STDIO_H)
#include <stdio.h>
#endif
/*----------------------------------------------------------------------
| types
+---------------------------------------------------------------------*/
typedef enum {
CLIENT_TYPE_UNKNOWN,
CLIENT_TYPE_UDP,
CLIENT_TYPE_TCP
} ClientType;
/*----------------------------------------------------------------------
| globals
+---------------------------------------------------------------------*/
static struct {
bool verbose;
} Options;
/*----------------------------------------------------------------------
| PrintUsageAndExit
+---------------------------------------------------------------------*/
static void
PrintUsageAndExit(void)
{
fprintf(stderr,
"usage: NetPing udp|tcp <hostname> <port>\n");
exit(1);
}
/*----------------------------------------------------------------------
| UdpPing
+---------------------------------------------------------------------*/
static void
UdpPing(const char* hostname, int port)
{
NPT_UdpSocket sender;
NPT_Result result;
// build ping packet
NPT_DataBuffer packet;
const char* packet_data = "PING";
packet.SetData((NPT_Byte*)packet_data, 4);
// resolve hostname
NPT_IpAddress ip_address;
result = ip_address.ResolveName(hostname);
if (NPT_FAILED(result)) {
fprintf(stderr, "ERROR: failed to resolve name\n");
return;
}
// get the current timestamp
NPT_TimeStamp before;
NPT_System::GetCurrentTimeStamp(before);
// send the packet
sender.Connect(NPT_SocketAddress(ip_address, port));
sender.Send(packet);
//NPT_SocketAddress destination_address(ip_address, port);
//sender.Send(packet, &destination_address);
NPT_SocketInfo socket_info;
sender.GetInfo(socket_info);
printf("send from %s:%d to %s:%d\n",
socket_info.local_address.GetIpAddress().ToString().GetChars(),
socket_info.local_address.GetPort(),
socket_info.remote_address.GetIpAddress().ToString().GetChars(),
socket_info.remote_address.GetPort());
//sender.Connect(NPT_SocketAddress(ip_address, port));
NPT_SocketAddress destination_address(ip_address, port);
sender.Send(packet, &destination_address);
//NPT_SocketInfo socket_info;
//sender.GetInfo(socket_info);
//NPT_Debug("sent from %s:%d to %s:%d\n",
// socket_info.local_address.GetIpAddress().ToString().GetChars(),
// socket_info.local_address.GetPort(),
// socket_info.remote_address.GetIpAddress().ToString().GetChars(),
// socket_info.remote_address.GetPort());
printf("send %d bytes\n", 4);
// receive response
NPT_DataBuffer response(32768);
result = sender.Receive(response);
if (NPT_FAILED(result)) {
fprintf(stderr, "ERROR: failed to receive response (%d)\n", result);
return;
}
sender.GetInfo(socket_info);
printf("RESPONSE: %d bytes from %s:%d\n",
response.GetDataSize(),
socket_info.remote_address.GetIpAddress().ToString().GetChars(),
socket_info.remote_address.GetPort());
NPT_TimeStamp after;
NPT_System::GetCurrentTimeStamp(after);
NPT_TimeInterval i = after-before;
printf("RTT: %f ms\n", ((float)i)*1000.0f);
}
/*----------------------------------------------------------------------
| TcpPing
+---------------------------------------------------------------------*/
static void
TcpPing(const char* hostname, int port)
{
NPT_TcpClientSocket sender;
NPT_Result result;
// resolve name
NPT_IpAddress ip_address;
result = ip_address.ResolveName(hostname);
if (NPT_FAILED(result)) {
fprintf(stderr, "ERROR: failed to resolve name\n");
return;
}
// connect to server
result = sender.Connect(NPT_SocketAddress(ip_address, port));
if (NPT_FAILED(result)) {
fprintf(stderr, "ERROR: Connect() failed (%d)\n", result);
return;
}
NPT_OutputStreamReference output;
// get the current timestamp
NPT_TimeStamp before;
NPT_System::GetCurrentTimeStamp(before);
// send the ping
sender.GetOutputStream(output);
output->Write("PING", 4);
// receive response
NPT_InputStreamReference input;
sender.GetInputStream(input);
char buffer[1024];
NPT_Size bytes_read;
result = input->Read(buffer, sizeof(buffer), &bytes_read);
if (NPT_SUCCEEDED(result)) {
printf("read %d bytes\n", bytes_read);
} else {
fprintf(stderr, "ERROR: Read() failed (%d)\n", result);
}
NPT_TimeStamp after;
NPT_System::GetCurrentTimeStamp(after);
NPT_TimeInterval i = after-before;
printf("RTT: %f ms\n", ((float)i)*1000.0f);
}
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
// check command line
if (argc != 4) {
PrintUsageAndExit();
}
// init options
Options.verbose = false;
ClientType client_type = CLIENT_TYPE_UNKNOWN;
int port = -1;
char* hostname = NULL;
// parse command line
if (!strcmp(argv[1], "udp")) {
client_type = CLIENT_TYPE_UDP;
} else if (!strcmp(argv[1], "tcp")) {
client_type = CLIENT_TYPE_TCP;
} else {
fprintf(stderr, "ERROR: unknown client type\n");
exit(1);
}
hostname = argv[2];
port = strtoul(argv[3], NULL, 10);
switch (client_type) {
case CLIENT_TYPE_TCP: TcpPing(hostname, port); break;
case CLIENT_TYPE_UDP: UdpPing(hostname, port); break;
default: break;
}
return 0;
}
|
