+++ /dev/null
-//==========================================================================
-//
-// tests/linux_echo.c
-//
-// Simple TCP throughput test - echo component FOR LINUX HOST
-// * CAUTION: host, i.e. non eCos, only *
-//
-//==========================================================================
-//####BSDCOPYRIGHTBEGIN####
-//
-// -------------------------------------------
-//
-// Portions of this software may have been derived from OpenBSD or other sources,
-// and are covered by the appropriate copyright disclaimers included herein.
-//
-// -------------------------------------------
-//
-//####BSDCOPYRIGHTEND####
-//==========================================================================
-//#####DESCRIPTIONBEGIN####
-//
-// Author(s): gthomas
-// Contributors: gthomas
-// Date: 2000-01-10
-// Purpose:
-// Description: This is the middle part of a three part test. The idea is
-// to test the throughput of box in a configuration like this:
-//
-// +------+ port +----+ port +----+
-// |SOURCE|=========>|ECHO|============>|SINK|
-// +------+ 9990 +----+ 9991 +----+
-//
-//
-//####DESCRIPTIONEND####
-//
-//==========================================================================
-
-#undef _KERNEL
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/errno.h>
-#include <sys/time.h>
-
-#include <net/if.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h>
-#include <net/route.h>
-
-#include <netdb.h>
-
-#define true 1
-#define false 1
-
-#define TNR_ON()
-#define TNR_OFF()
-
-#define diag_printf printf
-
-void
-pexit(char *s)
-{
- perror(s);
- exit(1);
-}
-
-
-#define SOURCE_PORT 9990
-#define SINK_PORT 9991
-
-#define MAX_BUF 8192
-static unsigned char data_buf[MAX_BUF];
-
-struct test_params {
- long nbufs;
- long bufsize;
- long load;
-};
-
-struct test_status {
- long ok;
-};
-
-int max( int a, int b ) { return (a>b)?a:b; }
-int min( int a, int b ) { return (a<b)?a:b; }
-
-
-int
-do_read(int s, void *_buf, int len)
-{
- int total, slen, rlen;
- unsigned char *buf = (unsigned char *)_buf;
- total = 0;
- rlen = len;
- while (total < len) {
- slen = read(s, buf, rlen);
- if (slen != rlen) {
- if (slen < 0) {
- diag_printf("Error after reading %d bytes\n", total);
- return -1;
- }
- rlen -= slen;
- buf += slen;
- }
- total += slen;
- }
- return total;
-}
-
-int
-do_write(int s, void *_buf, int len)
-{
- int total, slen, rlen;
- unsigned char *buf = (unsigned char *)_buf;
- total = 0;
- rlen = len;
- while (total < len) {
- slen = write(s, buf, rlen);
- if (slen != rlen) {
- if (slen < 0) {
- diag_printf("Error after writing %d bytes\n", total);
- return -1;
- }
- rlen -= slen;
- buf += slen;
- }
- total += slen;
- }
- return total;
-}
-
-static void
-echo_test(void * p)
-{
- int s_source, s_sink, e_source, e_sink;
- struct sockaddr_in e_source_addr, e_sink_addr, local;
- int one = 1;
- fd_set in_fds;
- int i, num, len;
- struct test_params params,nparams;
- struct test_status status,nstatus;
-
- s_source = socket(AF_INET, SOCK_STREAM, 0);
- if (s_source < 0) {
- pexit("stream socket");
- }
- if (setsockopt(s_source, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) {
- pexit("setsockopt /source/ SO_REUSEADDR");
- }
- memset(&local, 0, sizeof(local));
- local.sin_family = AF_INET;
-// local.sin_len = sizeof(local);
- local.sin_port = ntohs(SOURCE_PORT);
- local.sin_addr.s_addr = INADDR_ANY;
- if(bind(s_source, (struct sockaddr *) &local, sizeof(local)) < 0) {
- pexit("bind /source/ error");
- }
- listen(s_source, SOMAXCONN);
-
- s_sink = socket(AF_INET, SOCK_STREAM, 0);
- if (s_sink < 0) {
- pexit("stream socket");
- }
- memset(&local, 0, sizeof(local));
- local.sin_family = AF_INET;
-// local.sin_len = sizeof(local);
- local.sin_port = ntohs(SINK_PORT);
- local.sin_addr.s_addr = INADDR_ANY;
- if(bind(s_sink, (struct sockaddr *) &local, sizeof(local)) < 0) {
- pexit("bind /sink/ error");
- }
- if (setsockopt(s_sink, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) {
- pexit("setsockopt /sink/ SO_REUSEADDR");
- }
- listen(s_sink, SOMAXCONN);
-
- e_source = 0; e_sink = 0;
- while (true) {
- // Wait for a connection on either of the ports
- FD_ZERO(&in_fds);
- FD_SET(s_source, &in_fds);
- FD_SET(s_sink, &in_fds);
- num = select(max(s_sink,s_source)+1, &in_fds, 0, 0, 0);
- if (FD_ISSET(s_source, &in_fds)) {
- len = sizeof(e_source_addr);
- if ((e_source = accept(s_source, (struct sockaddr *)&e_source_addr, &len)) < 0) {
- pexit("accept /source/");
- }
- diag_printf("SOURCE connection from %s:%d\n",
- inet_ntoa(e_source_addr.sin_addr), ntohs(e_source_addr.sin_port));
- }
- if (FD_ISSET(s_sink, &in_fds)) {
- len = sizeof(e_sink_addr);
- if ((e_sink = accept(s_sink, (struct sockaddr *)&e_sink_addr, &len)) < 0) {
- pexit("accept /sink/");
- }
- diag_printf("SINK connection from %s:%d\n",
- inet_ntoa(e_sink_addr.sin_addr), ntohs(e_sink_addr.sin_port));
- }
- // Continue with test once a connection is established in both directions
- if ((e_source != 0) && (e_sink != 0)) {
- break;
- }
- }
-
- // Wait for "source" to tell us the testing paramters
- if (do_read(e_source, &nparams, sizeof(nparams)) != sizeof(nparams)) {
- pexit("Can't read initialization parameters");
- }
-
- params.nbufs = ntohl(nparams.nbufs);
- params.bufsize = ntohl(nparams.bufsize);
- params.load = ntohl(nparams.load);
-
- diag_printf("Using %d buffers of %d bytes each, %d%% background load\n",
- params.nbufs, params.bufsize, params.load);
-
- // Tell the sink what the parameters are
- if (do_write(e_sink, &nparams, sizeof(nparams)) != sizeof(nparams)) {
- pexit("Can't write initialization parameters");
- }
-
- status.ok = 1;
- nstatus.ok = htonl(status.ok);
-
- // Tell the "source" to start - we're all connected and ready to go!
- if (do_write(e_source, &nstatus, sizeof(nstatus)) != sizeof(nstatus)) {
- pexit("Can't send ACK to 'source' host");
- }
-
- TNR_ON();
-
- // Echo the data from the source to the sink hosts
- for (i = 0; i < params.nbufs; i++) {
- if ((len = do_read(e_source, data_buf, params.bufsize)) != params.bufsize) {
- TNR_OFF();
- diag_printf("Can't read buf #%d: ", i+1);
- if (len < 0) {
- perror("I/O error");
- } else {
- diag_printf("short read - only %d bytes\n", len);
- }
- TNR_ON();
- }
- if ((len = do_write(e_sink, data_buf, params.bufsize)) != params.bufsize) {
- TNR_OFF();
- diag_printf("Can't write buf #%d: ", i+1);
- if (len < 0) {
- perror("I/O error");
- } else {
- diag_printf("short write - only %d bytes\n", len);
- }
- TNR_ON();
- }
- }
-
- TNR_OFF();
-
- // Wait for the data to drain and the "sink" to tell us all is OK.
- if (do_read(e_sink, &status, sizeof(status)) != sizeof(status)) {
- pexit("Can't receive ACK from 'sink' host");
- }
-
-}
-
-
-int
-main(int argc, char *argv[])
-{
- echo_test(argv[1]);
- return 0;
-}
-
-
-// EOF
-
projects / karo-tx-redboot.git / blobdiff