зеркало из https://github.com/mozilla/gecko-dev.git
379 строки
12 KiB
C
379 строки
12 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/***********************************************************************
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**
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** Name: tmocon.c
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**
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** Description: test client socket connection.
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**
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** Modification History:
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** 19-May-97 AGarcia- Converted the test to accomodate the debug_mode flag.
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** The debug mode will print all of the printfs associated with this test.
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** The regress mode will be the default mode. Since the regress tool limits
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** the output to a one line status:PASS or FAIL,all of the printf statements
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** have been handled with an if (debug_mode) statement.
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***********************************************************************/
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/***********************************************************************
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** Includes
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***********************************************************************/
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/* Used to get the command line option */
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#include "plgetopt.h"
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#include "nspr.h"
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#include "pprio.h"
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#include "plerror.h"
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#include "plgetopt.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* for getcwd */
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#if defined(XP_UNIX) || defined (XP_OS2) || defined(XP_BEOS)
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#include <unistd.h>
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#elif defined(XP_PC)
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#include <direct.h>
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#endif
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#ifdef WINCE
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#include <windows.h>
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char *getcwd(char *buf, size_t size)
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{
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wchar_t wpath[MAX_PATH];
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_wgetcwd(wpath, MAX_PATH);
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WideCharToMultiByte(CP_ACP, 0, wpath, -1, buf, size, 0, 0);
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}
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#endif
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#define BASE_PORT 9867
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#define DEFAULT_DALLY 1
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#define DEFAULT_THREADS 1
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#define DEFAULT_TIMEOUT 10
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#define DEFAULT_MESSAGES 100
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#define DEFAULT_MESSAGESIZE 100
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static PRFileDesc *debug_out = NULL;
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typedef struct Shared
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{
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PRBool random;
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PRBool failed;
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PRBool intermittant;
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PRIntn debug;
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PRInt32 messages;
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PRIntervalTime dally;
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PRIntervalTime timeout;
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PRInt32 message_length;
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PRNetAddr serverAddress;
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} Shared;
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static PRIntervalTime Timeout(const Shared *shared)
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{
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PRIntervalTime timeout = shared->timeout;
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if (shared->random)
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{
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PRIntervalTime quarter = timeout >> 2; /* one quarter of the interval */
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PRUint32 random = rand() % quarter; /* something in[0..timeout / 4) */
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timeout = (((3 * quarter) + random) >> 2) + quarter; /* [75..125)% */
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}
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return timeout;
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} /* Timeout */
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static void CauseTimeout(const Shared *shared)
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{
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if (shared->intermittant) PR_Sleep(Timeout(shared));
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} /* CauseTimeout */
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static PRStatus MakeReceiver(Shared *shared)
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{
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PRStatus rv = PR_FAILURE;
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if (PR_IsNetAddrType(&shared->serverAddress, PR_IpAddrLoopback))
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{
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char *argv[3];
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char path[1024 + sizeof("/tmoacc")];
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getcwd(path, sizeof(path));
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(void)strcat(path, "/tmoacc");
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#ifdef XP_PC
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(void)strcat(path, ".exe");
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#endif
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argv[0] = path;
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if (shared->debug > 0)
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{
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argv[1] = "-d";
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argv[2] = NULL;
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}
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else argv[1] = NULL;
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if (shared->debug > 1)
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PR_fprintf(debug_out, " creating accept process %s ...", path);
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fflush(stdout);
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rv = PR_CreateProcessDetached(path, argv, NULL, NULL);
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if (PR_SUCCESS == rv)
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{
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if (shared->debug > 1)
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PR_fprintf(debug_out, " wait 5 seconds");
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if (shared->debug > 1)
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PR_fprintf(debug_out, " before connecting to accept process ...");
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fflush(stdout);
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PR_Sleep(PR_SecondsToInterval(5));
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return rv;
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}
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shared->failed = PR_TRUE;
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if (shared->debug > 0)
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PL_FPrintError(debug_out, "PR_CreateProcessDetached failed");
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}
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return rv;
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} /* MakeReceiver */
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static void Connect(void *arg)
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{
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PRStatus rv;
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char *buffer = NULL;
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PRFileDesc *clientSock;
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Shared *shared = (Shared*)arg;
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PRInt32 loop, bytes, flags = 0;
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struct Descriptor { PRInt32 length; PRUint32 checksum; } descriptor;
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debug_out = (0 == shared->debug) ? NULL : PR_GetSpecialFD(PR_StandardError);
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buffer = (char*)PR_MALLOC(shared->message_length);
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for (bytes = 0; bytes < shared->message_length; ++bytes)
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buffer[bytes] = (char)bytes;
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descriptor.checksum = 0;
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for (bytes = 0; bytes < shared->message_length; ++bytes)
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{
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PRUint32 overflow = descriptor.checksum & 0x80000000;
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descriptor.checksum = (descriptor.checksum << 1);
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if (0x00000000 != overflow) descriptor.checksum += 1;
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descriptor.checksum += buffer[bytes];
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}
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descriptor.checksum = PR_htonl(descriptor.checksum);
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for (loop = 0; loop < shared->messages; ++loop)
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{
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if (shared->debug > 1)
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PR_fprintf(debug_out, "[%d]socket ... ", loop);
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clientSock = PR_NewTCPSocket();
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if (clientSock)
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{
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/*
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* We need to slow down the rate of generating connect requests,
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* otherwise the listen backlog queue on the accept side may
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* become full and we will get connection refused or timeout
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* error.
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*/
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PR_Sleep(shared->dally);
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if (shared->debug > 1)
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{
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char buf[128];
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PR_NetAddrToString(&shared->serverAddress, buf, sizeof(buf));
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PR_fprintf(debug_out, "connecting to %s ... ", buf);
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}
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rv = PR_Connect(
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clientSock, &shared->serverAddress, Timeout(shared));
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if (PR_SUCCESS == rv)
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{
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PRInt32 descriptor_length = (loop < (shared->messages - 1)) ?
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shared->message_length : 0;
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descriptor.length = PR_htonl(descriptor_length);
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if (shared->debug > 1)
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PR_fprintf(
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debug_out, "sending %d bytes ... ", descriptor_length);
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CauseTimeout(shared); /* might cause server to timeout */
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bytes = PR_Send(
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clientSock, &descriptor, sizeof(descriptor),
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flags, Timeout(shared));
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if (bytes != sizeof(descriptor))
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{
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shared->failed = PR_TRUE;
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if (shared->debug > 0)
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PL_FPrintError(debug_out, "PR_Send failed");
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}
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if (0 != descriptor_length)
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{
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CauseTimeout(shared);
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bytes = PR_Send(
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clientSock, buffer, descriptor_length,
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flags, Timeout(shared));
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if (bytes != descriptor_length)
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{
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shared->failed = PR_TRUE;
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if (shared->debug > 0)
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PL_FPrintError(debug_out, "PR_Send failed");
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}
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}
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if (shared->debug > 1) PR_fprintf(debug_out, "closing ... ");
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rv = PR_Shutdown(clientSock, PR_SHUTDOWN_BOTH);
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rv = PR_Close(clientSock);
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if (shared->debug > 1)
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{
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if (PR_SUCCESS == rv) PR_fprintf(debug_out, "\n");
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else PL_FPrintError(debug_out, "shutdown failed");
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}
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}
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else
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{
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if (shared->debug > 1) PL_FPrintError(debug_out, "connect failed");
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PR_Close(clientSock);
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if ((loop == 0) && (PR_GetError() == PR_CONNECT_REFUSED_ERROR))
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{
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if (MakeReceiver(shared) == PR_FAILURE) break;
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}
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else
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{
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if (shared->debug > 1) PR_fprintf(debug_out, " exiting\n");
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break;
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}
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}
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}
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else
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{
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shared->failed = PR_TRUE;
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if (shared->debug > 0) PL_FPrintError(debug_out, "create socket");
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break;
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}
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}
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PR_DELETE(buffer);
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} /* Connect */
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int Tmocon(int argc, char **argv)
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{
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/*
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* USAGE
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* -d turn on debugging output (default = off)
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* -v turn on verbose output (default = off)
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* -h <n> dns name of host serving the connection (default = self)
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* -i dally intermittantly to cause timeouts (default = off)
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* -m <n> number of messages to send (default = 100)
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* -s <n> size of each message (default = 100)
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* -t <n> number of threads sending (default = 1)
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* -G use global threads (default = local)
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* -T <n> timeout on I/O operations (seconds) (default = 10)
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* -D <n> dally between connect requests (seconds)(default = 0)
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* -R randomize the dally types around 'T' (default = no)
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*/
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PRStatus rv;
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int exitStatus;
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PLOptStatus os;
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Shared *shared = NULL;
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PRThread **thread = NULL;
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PRIntn index, threads = DEFAULT_THREADS;
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PRThreadScope thread_scope = PR_LOCAL_THREAD;
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PRInt32 dally = DEFAULT_DALLY, timeout = DEFAULT_TIMEOUT;
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PLOptState *opt = PL_CreateOptState(argc, argv, "divGRh:m:s:t:T:D:");
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shared = PR_NEWZAP(Shared);
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shared->debug = 0;
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shared->failed = PR_FALSE;
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shared->random = PR_FALSE;
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shared->messages = DEFAULT_MESSAGES;
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shared->message_length = DEFAULT_MESSAGESIZE;
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PR_STDIO_INIT();
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memset(&shared->serverAddress, 0, sizeof(shared->serverAddress));
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rv = PR_InitializeNetAddr(PR_IpAddrLoopback, BASE_PORT, &shared->serverAddress);
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PR_ASSERT(PR_SUCCESS == rv);
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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{
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if (PL_OPT_BAD == os) continue;
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switch (opt->option)
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{
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case 'd':
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if (0 == shared->debug) shared->debug = 1;
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break;
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case 'v':
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if (0 == shared->debug) shared->debug = 2;
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break;
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case 'i':
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shared->intermittant = PR_TRUE;
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break;
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case 'R':
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shared->random = PR_TRUE;
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break;
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case 'G':
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thread_scope = PR_GLOBAL_THREAD;
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break;
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case 'h': /* the value for backlock */
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{
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PRIntn es = 0;
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PRHostEnt host;
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char buffer[1024];
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(void)PR_GetHostByName(
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opt->value, buffer, sizeof(buffer), &host);
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es = PR_EnumerateHostEnt(
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es, &host, BASE_PORT, &shared->serverAddress);
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PR_ASSERT(es > 0);
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}
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break;
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case 'm': /* number of messages to send */
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shared->messages = atoi(opt->value);
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break;
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case 't': /* number of threads sending */
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threads = atoi(opt->value);
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break;
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case 'D': /* dally time between transmissions */
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dally = atoi(opt->value);
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break;
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case 'T': /* timeout on I/O operations */
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timeout = atoi(opt->value);
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break;
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case 's': /* total size of each message */
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shared->message_length = atoi(opt->value);
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break;
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default:
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break;
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}
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}
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PL_DestroyOptState(opt);
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if (0 == timeout) timeout = DEFAULT_TIMEOUT;
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if (0 == threads) threads = DEFAULT_THREADS;
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if (0 == shared->messages) shared->messages = DEFAULT_MESSAGES;
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if (0 == shared->message_length) shared->message_length = DEFAULT_MESSAGESIZE;
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shared->dally = PR_SecondsToInterval(dally);
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shared->timeout = PR_SecondsToInterval(timeout);
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thread = (PRThread**)PR_CALLOC(threads * sizeof(PRThread*));
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for (index = 0; index < threads; ++index)
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thread[index] = PR_CreateThread(
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PR_USER_THREAD, Connect, shared,
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PR_PRIORITY_NORMAL, thread_scope,
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PR_JOINABLE_THREAD, 0);
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for (index = 0; index < threads; ++index)
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rv = PR_JoinThread(thread[index]);
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PR_DELETE(thread);
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PR_fprintf(
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PR_GetSpecialFD(PR_StandardError), "%s\n",
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((shared->failed) ? "FAILED" : "PASSED"));
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exitStatus = (shared->failed) ? 1 : 0;
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PR_DELETE(shared);
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return exitStatus;
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}
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int main(int argc, char **argv)
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{
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return (PR_VersionCheck(PR_VERSION)) ?
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PR_Initialize(Tmocon, argc, argv, 4) : -1;
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} /* main */
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/* tmocon.c */
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