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netio.c
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netio.c
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/* netio.c
*
* Author: Kai-Uwe Rommel <rommel@ars.de>
* Created: Wed Sep 25 1996
*/
static char *rcsid =
"$Id: netio.c,v 1.34 2018/12/16 22:45:24 rommel Exp rommel $";
static char *rcsrev = "$Revision: 1.34 $";
/*
* $Log: netio.c,v $
* Revision 1.34 2018/12/16 22:45:24 rommel
* fix for OS/2
*
* Revision 1.33 2018/12/16 20:52:52 rommel
* various changes
* updates for current MinGW32/64
* updates for current Linux (Ubuntu 16)
*
* Revision 1.32 2012/11/22 16:47:24 Rommel
* added binding to client sockets, too
*
* Revision 1.31 2010/10/14 16:44:38 Rommel
* fixed sleep calls
*
* Revision 1.30 2010/10/14 14:32:41 Rommel
* removed NetBIOS code
* added server side result printing
* fixed packet loss calculation (data type bug)
*
* Revision 1.29 2010/10/14 11:28:19 Rommel
* central printing routine
*
* Revision 1.28 2009/09/07 14:09:39 Rommel
* changed number output from bytes/KB to bytes/KB/MB
*
* Revision 1.27 2008/02/11 09:00:22 Rommel
* re-randomize buffer data for each loop run
*
* Revision 1.26 2005/08/30 14:45:51 Rommel
* minor fixes
*
* Revision 1.25 2004/05/26 07:23:04 Rommel
* some more corrections from Oliver Lau and Frank Schnell
*
* Revision 1.24 2004/05/17 16:01:03 Rommel
* fix for _send/_recv from Thomas Jahns
*
* Revision 1.23 2003/09/30 09:32:22 Rommel
* corrections from Matthias Scheler for error handling
* added socket buffer size setting
* added htonl/ntohl code (hint from Oliver Lau)
* restructured send/recv error/result checking
* more verbose server side messages
* other minor changes
*
* Revision 1.22 2003/09/22 14:58:33 Rommel
* added server side progress messages
*
* Revision 1.21 2003/08/28 12:44:11 Rommel
* fixed display of non-k-multiple packet sizes
*
* Revision 1.20 2003/08/27 11:05:48 Rommel
* allow block size specifikation in bytes or k bytes
*
* Revision 1.19 2003/08/17 16:53:45 Rommel
* added Unix/Linux pthreads support (required for UDP)
*
* Revision 1.18 2003/08/17 14:46:17 Rommel
* added UDP benchmark
* several minor changes (cleanup)
* configurable binding address
*
* Revision 1.17 2003/07/12 17:25:00 Rommel
* made block size selectable
*
* Revision 1.16 2003/02/10 09:06:59 Rommel
* fixed sender algorithm
*
* Revision 1.15 2001/09/17 13:56:40 Rommel
* changed to perform bidirectional benchmarks
*
* Revision 1.14 2001/04/19 12:20:55 Rommel
* added fixes for Unix systems
*
* Revision 1.13 2001/03/26 11:37:41 Rommel
* avoid integer overflows during throughput calculation
*
* Revision 1.12 2000/12/01 15:57:57 Rommel
* *** empty log message ***
*
* Revision 1.11 2000/03/01 12:21:47 rommel
* fixed _INTEGRAL_MAX_BITS problem for WIN32
*
* Revision 1.10 1999/10/28 17:36:57 rommel
* fixed OS/2 timer code
*
* Revision 1.9 1999/10/28 17:04:12 rommel
* fixed timer code
*
* Revision 1.8 1999/10/24 19:08:20 rommel
* imported DOS support from G. Vanem <giva@bgnett.no>
*
*
* Revision 1.8 1999/10/12 11:02:00 giva
* added Watt-32 with djgpp support. Added debug mode.
* G. Vanem <giva@bgnett.no>
*
* Revision 1.7 1999/06/13 18:42:25 rommel
* added Linux port with patches from Detlef Plotzky <plo@bvu.de>
*
* Revision 1.6 1998/10/12 11:14:58 rommel
* change to malloc'ed (and tiled) memory for transfer buffers
* (hint from Guenter Kukkukk <kukuk@berlin.snafu.de>)
* for increased performance
*
* Revision 1.5 1998/07/31 14:15:03 rommel
* added random buffer data
* fixed bugs
*
* Revision 1.4 1997/09/12 17:35:04 rommel
* termination bug fixes
*
* Revision 1.3 1997/09/12 12:00:15 rommel
* added Win32 port
* (tested for Windows NT only)
*
* Revision 1.2 1997/09/12 10:44:22 rommel
* added TCP/IP and a command line interface
*
* Revision 1.1 1996/09/25 08:42:29 rommel
* Initial revision
*
*/
#ifdef WIN32
#define _INTEGRAL_MAX_BITS 64
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <signal.h>
#include <time.h>
#if defined(UNIX) || defined(DJGPP)
#include <sys/time.h>
#include <unistd.h>
#include <errno.h>
#else
#include <process.h>
#include "getopt.h"
#endif
#define DEFAULTPORT 0x494F /* "IO" */
#define DEFAULTNBSRV "NETIOSRV"
#define DEFAULTNBCLT "NETIOCLT"
#define THREADSTACK 65536
/* TCP/IP system specific details */
#ifdef OS2
#define BSD_SELECT
#include <types.h>
#include <netinet/in.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netdb.h>
#define TCP_NODELAY 1
#ifdef __IBMC__
#define newthread(entry) (_beginthread(entry, 0, THREADSTACK, 0) == -1)
#else
#define newthread(entry) (_beginthread(entry, THREADSTACK, 0) == -1)
#endif
#define THREAD void
#define THREADRESULT
#endif /* OS2 */
#ifdef WATT32
#include <tcp.h> /* sock_init() etc. */
#include <netinet/in.h>
#include <sys/socket.h>
#include <netdb.h>
#define soclose close_s
#define select select_s
#define psock_errno perror
#endif /* WATT32 */
#ifdef WIN32
#include <ws2tcpip.h>
#include <windows.h>
#include <winsock.h>
#define soclose closesocket
#define SOCKLEN_T
int sock_init(void)
{
WSADATA wsaData;
return WSAStartup(MAKEWORD(1, 1), &wsaData);
}
void psock_errno(char *text)
{
int rc = WSAGetLastError();
printf("%s: error code %d\n", text, rc);
}
#ifdef __IBMC__
#define newthread(entry) (_beginthread(entry, 0, THREADSTACK, 0) == -1)
#else
#define newthread(entry) (_beginthread(entry, THREADSTACK, 0) == -1)
#endif
#define THREAD void
#define THREADRESULT
#endif /* WIN32 */
#ifdef UNIX
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <time.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
#define SOCKLEN_T
#define psock_errno(x) perror(x)
#define soclose(x) close(x)
int sock_init(void)
{
return 0;
}
#include <pthread.h>
pthread_t thread;
#define newthread(entry) (pthread_create(&thread, 0, entry, 0) != 0)
#define THREAD void*
#define THREADRESULT ((void*)0)
#endif /* UNIX */
#ifdef SOCKLEN_T
typedef socklen_t socklen_type;
#else
typedef size_t socklen_type;
#endif
/* global data */
#ifndef max
#define max(x, y) ((x) > (y) ? (x) : (y))
#endif
#ifndef min
#define min(x, y) ((x) < (y) ? (x) : (y))
#endif
#ifndef EINTR
#define EINTR 0
#endif
int nSizes[] = {1024, 2048, 4096, 8192, 16384, 32768};
size_t nnSizes = sizeof(nSizes) / sizeof(int);
#define NMAXSIZE 65536
int tSizes[] = {1024, 2048, 4096, 8192, 16384, 32767};
size_t ntSizes = sizeof(tSizes) / sizeof(int);
#define TMAXSIZE 65536
#define INTERVAL 6
/* you may need to adapt this to your platform/compiler */
typedef unsigned int uint32;
typedef struct
{
uint32 cmd;
uint32 data;
}
CONTROL;
#define CMD_QUIT 0
#define CMD_C2S 1
#define CMD_S2C 2
#define CMD_RES 3
#define CTLSIZE sizeof(CONTROL)
/* timer code */
int bTimeOver;
#ifdef OS2
#define INCL_DOS
#define INCL_NOPM
#include <os2.h>
typedef QWORD TIMER;
void APIENTRY TimerThread(ULONG nSeconds)
{
HEV hSem;
HTIMER hTimer;
DosCreateEventSem(0, &hSem, DC_SEM_SHARED, 0);
DosAsyncTimer(nSeconds * 1000, (HSEM) hSem, &hTimer);
DosWaitEventSem(hSem, SEM_INDEFINITE_WAIT);
DosStopTimer(hTimer);
DosCloseEventSem(hSem);
bTimeOver = 1;
DosExit(EXIT_THREAD, 0);
}
int StartAlarm(long nSeconds)
{
TID ttid;
bTimeOver = 0;
if (DosCreateThread(&ttid, TimerThread, nSeconds, 0, THREADSTACK))
return printf("Cannot create timer thread.\n"), -1;
return 0;
}
int StartTimer(TIMER *nStart)
{
if (DosTmrQueryTime(nStart))
return printf("Timer error.\n"), -1;
return 0;
}
long StopTimer(TIMER *nStart, int nAccuracy)
{
TIMER nStop;
ULONG nFreq;
if (DosTmrQueryTime(&nStop))
return printf("Timer error.\n"), -1;
if (DosTmrQueryFreq(&nFreq))
return printf("Timer error.\n"), -1;
nFreq = (nFreq + nAccuracy / 2) / nAccuracy;
return (* (long long *) &nStop - * (long long *) nStart) / nFreq;
}
#endif /* OS2 */
#ifdef WIN32
typedef LARGE_INTEGER TIMER;
#define sleep(x) Sleep((x) * 1000);
DWORD CALLBACK TimerThread(void *pArg)
{
long nSeconds = * (long *) pArg;
Sleep(nSeconds * 1000);
bTimeOver = 1;
return 0;
}
int StartAlarm(long nSeconds)
{
static long sSeconds;
DWORD ttid;
sSeconds = nSeconds;
bTimeOver = 0;
if (CreateThread(0, THREADSTACK, TimerThread, (void *) &sSeconds, 0, &ttid) == NULL)
return printf("Cannot create timer thread.\n"), -1;
return 0;
}
int StartTimer(TIMER *nStart)
{
if (!QueryPerformanceCounter(nStart))
return printf("Timer error.\n"), -1;
return 0;
}
long StopTimer(TIMER *nStart, int nAccuracy)
{
TIMER nStop, nFreq;
if (!QueryPerformanceCounter(&nStop))
return printf("Timer error.\n"), -1;
if (!QueryPerformanceFrequency(&nFreq))
return printf("Timer error.\n"), -1;
nFreq.QuadPart = (nFreq.QuadPart + nAccuracy / 2) / nAccuracy;
return (nStop.QuadPart - nStart->QuadPart) / nFreq.QuadPart;
}
#endif /* WIN32 */
#if defined(UNIX) || defined(DJGPP)
typedef struct timeval TIMER;
void on_alarm(int signum)
{
alarm(0);
bTimeOver = 1;
}
int StartAlarm(long nSeconds)
{
bTimeOver = 0;
signal(SIGALRM, on_alarm);
alarm(nSeconds);
return 0;
}
int StartTimer(TIMER *nStart)
{
struct timezone tz = {0, 0};
gettimeofday(nStart, &tz);
return 0;
}
long StopTimer(TIMER *nStart, int nAccuracy)
{
struct timezone tz = {0, 0};
TIMER nStop;
gettimeofday(&nStop, &tz);
return (nStop.tv_sec - nStart->tv_sec) * nAccuracy
+ (nStop.tv_usec - nStart->tv_usec) * nAccuracy / 1000000;
}
#endif /* UNIX || DJGPP */
/* initialize data to transfer */
void GenerateRandomData(char *cBuffer, size_t nSize)
{
if (cBuffer != NULL)
{
size_t i;
cBuffer[0] = 0;
srand(time(NULL));
for (i = 1; i < nSize; i++)
cBuffer[i] = (char) rand();
}
}
char *InitBuffer(size_t nSize)
{
char *cBuffer = malloc(nSize);
GenerateRandomData(cBuffer, nSize);
return cBuffer;
}
char *PacketSize(int nSize)
{
static char szBuffer[64];
if ((nSize % 1024) == 0 || (nSize % 1024) == 1023)
sprintf(szBuffer, "%2dk", (nSize + 512) / 1024);
else
sprintf(szBuffer, "%d", nSize);
return szBuffer;
}
/* print results */
typedef enum {nf_auto, nf_bytes, nf_kbytes, nf_mbytes, nf_gbytes} numberformat;
numberformat nFormat = nf_auto;
void print_result(long long nData, long nTime)
{
numberformat nThisFormat = nFormat;
double nResult;
if (nThisFormat == nf_auto)
{
if (nData < 10 * 1024 * INTERVAL)
nThisFormat = nf_bytes;
else if (nData < 10 * 1024 * 1024 * INTERVAL)
nThisFormat = nf_kbytes;
else if (nData < (long long) 1024 * 1024 * 1024 * INTERVAL)
nThisFormat = nf_mbytes;
else
nThisFormat = nf_gbytes;
}
switch(nThisFormat)
{
case nf_bytes:
nResult = (double) nData * 1024 / nTime;
printf(" %0.0f Byte/s", nResult);
break;
case nf_kbytes:
nResult = (double) nData / nTime;
printf(" %0.2f KByte/s", nResult);
break;
case nf_mbytes:
nResult = (double) nData / nTime / 1024;
printf(" %0.2f MByte/s", nResult);
break;
case nf_gbytes:
nResult = (double) nData / nTime / 1024 / 1024;
printf(" %0.3f GByte/s", nResult);
break;
}
}
/* TCP/IP code */
int send_data(int socket, void *buffer, size_t size, int flags)
{
int rc = send(socket, buffer, size, flags);
if (rc < 0)
{
psock_errno("send()");
return -1;
}
if (rc != size)
return 1;
return 0;
}
int recv_data(int socket, void *buffer, size_t size, int flags)
{
size_t rc = recv(socket, buffer, size, flags);
if (rc < 0)
{
psock_errno("recv()");
return -1;
}
if (rc != size)
return 1;
return 0;
}
const int sobufsize = 131072;
int nPort = DEFAULTPORT;
int nAuxPort = DEFAULTPORT + 1;
struct in_addr addr_server;
struct in_addr addr_local;
int udpsocket, udpd;
unsigned long nUDPCount;
long long nUDPData;
THREAD TCP_Server(void *arg)
{
char *cBuffer;
CONTROL ctl;
TIMER nTimer;
long nTime;
long long nData;
struct sockaddr_in sa_server, sa_client;
int server, client;
socklen_type length;
struct timeval tv;
fd_set fds;
int rc;
int nByte;
int flag = 1;
if ((cBuffer = InitBuffer(TMAXSIZE)) == NULL)
{
perror("malloc()");
return THREADRESULT;
}
if ((server = socket(PF_INET, SOCK_STREAM, 0)) < 0)
{
psock_errno("socket()");
free(cBuffer);
return THREADRESULT;
}
setsockopt(server, SOL_SOCKET, SO_RCVBUF, (char *) &sobufsize, sizeof(sobufsize));
setsockopt(server, SOL_SOCKET, SO_SNDBUF, (char *) &sobufsize, sizeof(sobufsize));
setsockopt(server, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int));
sa_server.sin_family = AF_INET;
sa_server.sin_port = htons(nPort);
sa_server.sin_addr = addr_local;
if (bind(server, (struct sockaddr *) &sa_server, sizeof(sa_server)) < 0)
{
psock_errno("bind()");
soclose(server);
free(cBuffer);
return THREADRESULT;
}
if (listen(server, 2) != 0)
{
psock_errno("listen()");
soclose(server);
free(cBuffer);
return THREADRESULT;
}
for (;;)
{
printf("TCP server listening.\n");
FD_ZERO(&fds);
FD_SET(server, &fds);
tv.tv_sec = 3600;
tv.tv_usec = 0;
if ((rc = select(FD_SETSIZE, &fds, 0, 0, &tv)) < 0)
{
psock_errno("select()");
break;
}
if (rc == 0 || FD_ISSET(server, &fds) == 0)
continue;
length = sizeof(sa_client);
if ((client = accept(server, (struct sockaddr *) &sa_client, &length)) == -1)
continue;
setsockopt(client, SOL_SOCKET, SO_RCVBUF, (char *) &sobufsize, sizeof(sobufsize));
setsockopt(client, SOL_SOCKET, SO_SNDBUF, (char *) &sobufsize, sizeof(sobufsize));
printf("TCP connection established ... ");
fflush(stdout);
for (;;)
{
if (recv_data(client, (void *) &ctl, CTLSIZE, 0))
break;
ctl.cmd = ntohl(ctl.cmd);
ctl.data = ntohl(ctl.data);
if (ctl.cmd == CMD_C2S)
{
StartTimer(&nTimer);
printf("\nReceiving from client, packet size %s ... ", PacketSize(ctl.data));
nData = 0;
do
{
for (nByte = 0; nByte < ctl.data; )
{
rc = recv(client, cBuffer + nByte, ctl.data - nByte, 0);
if (rc < 0 && errno != EINTR)
{
psock_errno("recv()");
break;
}
if (rc > 0)
nByte += rc;
}
nData += ctl.data;
}
while (cBuffer[0] == 0 && rc > 0);
if ((nTime = StopTimer(&nTimer, 1024)) != -1)
print_result(nData, nTime);
}
else if (ctl.cmd == CMD_S2C)
{
if (StartAlarm(INTERVAL) == 0)
{
StartTimer(&nTimer);
printf("\nSending to client, packet size %s ... ", PacketSize(ctl.data));
cBuffer[0] = 0;
nData = 0;
while (!bTimeOver)
{
//GenerateRandomData(cBuffer, ctl.data);
for (nByte = 0; nByte < ctl.data; )
{
rc = send(client, cBuffer + nByte, ctl.data - nByte, 0);
if (rc < 0 && errno != EINTR)
{
psock_errno("send()");
break;
}
if (rc > 0)
nByte += rc;
}
nData += ctl.data;
}
cBuffer[0] = 1;
if (send_data(client, cBuffer, ctl.data, 0))
break;
if ((nTime = StopTimer(&nTimer, 1024)) != -1)
print_result(nData, nTime);
}
}
else /* quit */
break;
}
printf("\nDone.\n");
soclose(client);
if (rc < 0)
break;
}
soclose(server);
free(cBuffer);
return THREADRESULT;
}
void TCP_Bench(void *arg)
{
char *cBuffer;
CONTROL ctl;
TIMER nTimer;
long nTime;
long long nData;
int i;
struct sockaddr_in sa_server, sa_client;
int server;
int rc;
int nByte;
int flag = 1;
if ((cBuffer = InitBuffer(TMAXSIZE)) == NULL)
{
perror("malloc()");
return;
}
if ((server = socket(PF_INET, SOCK_STREAM, 0)) < 0)
{
psock_errno("socket()");
free(cBuffer);
return;
}
setsockopt(server, SOL_SOCKET, SO_RCVBUF, (char *) &sobufsize, sizeof(sobufsize));
setsockopt(server, SOL_SOCKET, SO_SNDBUF, (char *) &sobufsize, sizeof(sobufsize));
setsockopt(server, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int));
sa_client.sin_family = AF_INET;
sa_client.sin_port = htons(0);
sa_client.sin_addr = addr_local;
if (bind(server, (struct sockaddr *) &sa_client, sizeof(sa_client)) < 0)
{
psock_errno("bind()");
soclose(server);
free(cBuffer);
return;
}
sa_server.sin_family = AF_INET;
sa_server.sin_port = htons(nPort);
sa_server.sin_addr = addr_server;
if (connect(server, (struct sockaddr *) &sa_server, sizeof(sa_server)) < 0)
{
psock_errno("connect()");
soclose(server);
free(cBuffer);
return;
}
printf("\nTCP connection established.\n");
for (i = 0; i < ntSizes; i++)
{
printf("Packet size %s bytes: ", PacketSize(tSizes[i]));
fflush(stdout);
/* tell the server we will send it data now */
ctl.cmd = htonl(CMD_C2S);
ctl.data = htonl(tSizes[i]);
if (send_data(server, (void *) &ctl, CTLSIZE, 0))
break;
/* 1 - Tx test */
if (StartAlarm(INTERVAL) == 0)
{
StartTimer(&nTimer);
nData = 0;
cBuffer[0] = 0;
while (!bTimeOver)
{
//GenerateRandomData(cBuffer, tSizes[i]);
for (nByte = 0; nByte < tSizes[i]; )
{
rc = send(server, cBuffer + nByte, tSizes[i] - nByte, 0);
if (rc < 0 && errno != EINTR)
{
psock_errno("send()");
break;
}
if (rc > 0)
nByte += rc;
}
nData += tSizes[i];
}
if ((nTime = StopTimer(&nTimer, 1024)) == -1)
printf(" (failed)");
else
print_result(nData, nTime);
printf(" Tx, ");
fflush(stdout);
cBuffer[0] = 1;
if (send_data(server, cBuffer, tSizes[i], 0))
break;
}
/* tell the server we expect him to send us data now */
ctl.cmd = htonl(CMD_S2C);
ctl.data = htonl(tSizes[i]);
if (send_data(server, (void *) &ctl, CTLSIZE, 0))
break;
/* 2 - Rx test */
StartTimer(&nTimer);
nData = 0;
do
{
for (nByte = 0; nByte < tSizes[i]; )
{
rc = recv(server, cBuffer + nByte, tSizes[i] - nByte, 0);
if (rc < 0 && errno != EINTR)
{
psock_errno("recv()");
break;
}
if (rc > 0)
nByte += rc;
}
nData += tSizes[i];
}
while (cBuffer[0] == 0 && rc > 0);
if ((nTime = StopTimer(&nTimer, 1024)) == -1)
printf(" (failed)");
else
print_result(nData, nTime);
printf(" Rx.\n");
}
ctl.cmd = htonl(CMD_QUIT);
ctl.data = 0;
send_data(server, (void *) &ctl, CTLSIZE, 0);
printf("Done.\n");
soclose(server);
free(cBuffer);
}
THREAD UDP_Receiver(void *arg)
{
char *cBuffer;
struct sockaddr_in sa_server, sa_client;
int rc;
socklen_type nBytes;
if ((cBuffer = InitBuffer(TMAXSIZE)) == NULL)
{
perror("malloc()");
return THREADRESULT;
}
if ((udpsocket = socket(PF_INET, SOCK_DGRAM, 0)) < 0)
{
psock_errno("socket(DGRAM)");
free(cBuffer);
return THREADRESULT;
}
setsockopt(udpsocket, SOL_SOCKET, SO_RCVBUF, (char *) &sobufsize, sizeof(sobufsize));
setsockopt(udpsocket, SOL_SOCKET, SO_SNDBUF, (char *) &sobufsize, sizeof(sobufsize));
sa_server.sin_family = AF_INET;
sa_server.sin_port = htons(nAuxPort);
sa_server.sin_addr = addr_local;
if (bind(udpsocket, (struct sockaddr *) &sa_server, sizeof(sa_server)) < 0)
{
psock_errno("bind(DGRAM)");
soclose(udpsocket);
free(cBuffer);
return THREADRESULT;
}
udpd = 1;
for (;;)
{
nBytes = sizeof(sa_client);
rc = recvfrom(udpsocket, cBuffer, TMAXSIZE, 0, (struct sockaddr *) &sa_client, &nBytes);
if (rc < 0 && errno != EINTR)
psock_errno("recvfrom()");
if (rc > 0)
{
nUDPCount++;
nUDPData += rc;
}
}
soclose(udpsocket);
free(cBuffer);
return THREADRESULT;
}
THREAD UDP_Server(void *arg)
{
char *cBuffer;
CONTROL ctl;
TIMER nTimer;
long nTime;
long long nData;
struct sockaddr_in sa_server, sa_client;
int server, client;
struct timeval tv;
fd_set fds;
int rc, nByte;