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126 lines
2.4 KiB
126 lines
2.4 KiB
/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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utestsrv.c
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Abstract:
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UDP stress test server. Repeatedly opens a specific UDP port,
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reads one datagram, and closes the port. Used to test _close
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synchronization with incoming datagrams.
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Author:
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Mike Massa (mikemas) Feb 24, 1992
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Revision History:
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Who When What
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-------- -------- ----------------------------------------------
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mikemas 02-24-92 created
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Notes:
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--*/
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#include <windows.h>
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#include <winsock.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define MAX_PACKET_SIZE 65516
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int count = 0;
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WSADATA WsaData;
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int _CRTAPI1 main(int argc, char **argv, char **envp)
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{
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SOCKET serve_me;
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int Port;
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struct sockaddr addr, recvaddr;
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int addrlen, recv_addrlen;
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struct sockaddr_in *in_addr = (struct sockaddr_in *)&addr;
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char *buf;
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int err;
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if(argc<2){
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printf("usage: upongsrv port\n");
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exit(4);
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}
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Port = atoi(argv[1]);
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err = WSAStartup( 0x0101, &WsaData );
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recv_addrlen = sizeof(struct sockaddr_in);
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if ( err == SOCKET_ERROR ) {
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printf("tpongsrv: WSAStartup %d:", GetLastError());
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exit(1);
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}
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if ((buf = malloc(MAX_PACKET_SIZE)) == NULL) {
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printf("out of memory\n");
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exit(1);
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}
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memset(&addr,0,sizeof(addr));
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in_addr->sin_family = AF_INET;
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in_addr->sin_port = htons(Port);
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in_addr->sin_addr.s_addr = 0;
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while(1) {
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if ((serve_me=socket(PF_INET,SOCK_DGRAM,0))==INVALID_SOCKET){
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printf("\nsocket failed (%d)\n", WSAGetLastError());
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continue;
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}
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if (bind(serve_me,&addr,sizeof(addr))==SOCKET_ERROR){
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printf("\nbind failed (%d) on port %d\n",
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WSAGetLastError(), Port);
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closesocket(serve_me);
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continue;
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}
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err = recvfrom(
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serve_me,
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buf,
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MAX_PACKET_SIZE,
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0,
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&recvaddr,
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&recv_addrlen
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);
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if (err == SOCKET_ERROR) {
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printf("\nrecvfrom failed (%d)\n", WSAGetLastError());
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}
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closesocket(serve_me);
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if ((++count % 50) == 0) {
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printf("#");
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}
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}
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}
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int init_net()
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{
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WORD wVersionRequired;
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WSADATA versionInfo;
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wVersionRequired = 1<<8 | 0;
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if(WSAStartup(wVersionRequired, &versionInfo)){
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printf("died in WSAStartup() %d\n",WSAGetLastError());
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exit(9);
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}
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return 0;
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}
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