зеркало из https://github.com/mozilla/gecko-dev.git
232 строки
7.8 KiB
C
232 строки
7.8 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/*
|
|
* The contents of this file are subject to the Mozilla Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is the Netscape Portable Runtime (NSPR).
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the
|
|
* terms of the GNU General Public License Version 2 or later (the
|
|
* "GPL"), in which case the provisions of the GPL are applicable
|
|
* instead of those above. If you wish to allow use of your
|
|
* version of this file only under the terms of the GPL and not to
|
|
* allow others to use your version of this file under the MPL,
|
|
* indicate your decision by deleting the provisions above and
|
|
* replace them with the notice and other provisions required by
|
|
* the GPL. If you do not delete the provisions above, a recipient
|
|
* may use your version of this file under either the MPL or the
|
|
* GPL.
|
|
*/
|
|
|
|
#include "nspr.h"
|
|
|
|
#include "plgetopt.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifdef XP_MAC
|
|
#include "prlog.h"
|
|
#define printf PR_LogPrint
|
|
#endif
|
|
|
|
|
|
#ifndef IOV_MAX
|
|
#define IOV_MAX 16
|
|
#endif
|
|
|
|
#define BASE_PORT 9867
|
|
|
|
int PR_CALLBACK Writev(int argc, char **argv)
|
|
{
|
|
|
|
PRStatus rv;
|
|
PRNetAddr serverAddr;
|
|
PRFileDesc *clientSock, *debug = NULL;
|
|
|
|
char *buffer = NULL;
|
|
PRIOVec *iov = NULL;
|
|
PRBool passed = PR_TRUE;
|
|
PRIntervalTime timein, elapsed, timeout;
|
|
PRIntervalTime tmo_min = 0x7fffffff, tmo_max = 0, tmo_elapsed = 0;
|
|
PRInt32 tmo_counted = 0, iov_index, loop, bytes, number_fragments;
|
|
PRInt32 message_length = 100, fragment_length = 100, messages = 100;
|
|
struct Descriptor { PRInt32 length; PRUint32 checksum; } descriptor;
|
|
|
|
/*
|
|
* USAGE
|
|
* -h dns name of host serving the connection (default = self)
|
|
* -m number of messages to send (default = 100)
|
|
* -s size of each message (default = 100)
|
|
* -f size of each message fragment (default = 100)
|
|
*/
|
|
|
|
PLOptStatus os;
|
|
PLOptState *opt = PL_CreateOptState(argc, argv, "dh:m:s:f:");
|
|
|
|
PR_STDIO_INIT();
|
|
rv = PR_InitializeNetAddr(PR_IpAddrLoopback, BASE_PORT, &serverAddr);
|
|
PR_ASSERT(PR_SUCCESS == rv);
|
|
|
|
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
|
|
{
|
|
if (PL_OPT_BAD == os) continue;
|
|
switch (opt->option)
|
|
{
|
|
case 'h': /* the remote host */
|
|
{
|
|
PRIntn es = 0;
|
|
PRHostEnt host;
|
|
char buffer[1024];
|
|
(void)PR_GetHostByName(opt->value, buffer, sizeof(buffer), &host);
|
|
es = PR_EnumerateHostEnt(es, &host, BASE_PORT, &serverAddr);
|
|
PR_ASSERT(es > 0);
|
|
}
|
|
break;
|
|
case 'd': /* debug mode */
|
|
debug = PR_GetSpecialFD(PR_StandardError);
|
|
break;
|
|
case 'm': /* number of messages to send */
|
|
messages = atoi(opt->value);
|
|
break;
|
|
case 's': /* total size of each message */
|
|
message_length = atoi(opt->value);
|
|
break;
|
|
case 'f': /* size of each message fragment */
|
|
fragment_length = atoi(opt->value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
PL_DestroyOptState(opt);
|
|
|
|
buffer = (char*)malloc(message_length);
|
|
|
|
number_fragments = (message_length + fragment_length - 1) / fragment_length + 1;
|
|
while (IOV_MAX < number_fragments)
|
|
{
|
|
fragment_length = message_length / (IOV_MAX - 2);
|
|
number_fragments = (message_length + fragment_length - 1) /
|
|
fragment_length + 1;
|
|
if (NULL != debug) PR_fprintf(debug,
|
|
"Too many fragments - reset fragment length to %ld\n", fragment_length);
|
|
}
|
|
iov = (PRIOVec*)malloc(number_fragments * sizeof(PRIOVec));
|
|
|
|
iov[0].iov_base = (char*)&descriptor;
|
|
iov[0].iov_len = sizeof(descriptor);
|
|
for (iov_index = 1; iov_index < number_fragments; ++iov_index)
|
|
{
|
|
iov[iov_index].iov_base = buffer + (iov_index - 1) * fragment_length;
|
|
iov[iov_index].iov_len = fragment_length;
|
|
}
|
|
|
|
for (bytes = 0; bytes < message_length; ++bytes)
|
|
buffer[bytes] = (char)bytes;
|
|
|
|
timeout = PR_SecondsToInterval(1);
|
|
|
|
for (loop = 0; loop < messages; ++loop)
|
|
{
|
|
if (NULL != debug)
|
|
PR_fprintf(debug, "[%d]socket ... ", loop);
|
|
clientSock = PR_NewTCPSocket();
|
|
if (clientSock)
|
|
{
|
|
timein = PR_IntervalNow();
|
|
if (NULL != debug)
|
|
PR_fprintf(debug, "connecting ... ");
|
|
rv = PR_Connect(clientSock, &serverAddr, timeout);
|
|
if (PR_SUCCESS == rv)
|
|
{
|
|
descriptor.checksum = 0;
|
|
descriptor.length = (loop < (messages - 1)) ? message_length : 0;
|
|
if (0 == descriptor.length) number_fragments = 1;
|
|
else
|
|
for (iov_index = 0; iov_index < descriptor.length; ++iov_index)
|
|
{
|
|
PRUint32 overflow = descriptor.checksum & 0x80000000;
|
|
descriptor.checksum = (descriptor.checksum << 1);
|
|
if (0x00000000 != overflow) descriptor.checksum += 1;
|
|
descriptor.checksum += buffer[iov_index];
|
|
}
|
|
if (NULL != debug) PR_fprintf(
|
|
debug, "sending %d bytes ... ", descriptor.length);
|
|
|
|
/* then, at the last moment ... */
|
|
descriptor.length = PR_ntohl(descriptor.length);
|
|
descriptor.checksum = PR_ntohl(descriptor.checksum);
|
|
|
|
bytes = PR_Writev(clientSock, iov, number_fragments, timeout);
|
|
if (NULL != debug)
|
|
PR_fprintf(debug, "closing ... ");
|
|
rv = PR_Shutdown(clientSock, PR_SHUTDOWN_BOTH);
|
|
rv = PR_Close(clientSock);
|
|
if (NULL != debug) PR_fprintf(
|
|
debug, "%s\n", ((PR_SUCCESS == rv) ? "good" : "bad"));
|
|
elapsed = PR_IntervalNow() - timein;
|
|
if (elapsed < tmo_min) tmo_min = elapsed;
|
|
else if (elapsed > tmo_max) tmo_max = elapsed;
|
|
tmo_elapsed += elapsed;
|
|
tmo_counted += 1;
|
|
}
|
|
else
|
|
{
|
|
if (NULL != debug) PR_fprintf(
|
|
debug, "failed - retrying (%d, %d)\n",
|
|
PR_GetError(), PR_GetOSError());
|
|
PR_Close(clientSock);
|
|
}
|
|
}
|
|
else if (NULL != debug)
|
|
{
|
|
PR_fprintf(debug, "unable to create client socket\n");
|
|
passed = PR_FALSE;
|
|
}
|
|
}
|
|
if (NULL != debug) {
|
|
if (0 == tmo_counted) {
|
|
PR_fprintf(debug, "No connection made\n");
|
|
} else {
|
|
PR_fprintf(
|
|
debug, "\nTimings: %d [%d] %d (microseconds)\n",
|
|
PR_IntervalToMicroseconds(tmo_min),
|
|
PR_IntervalToMicroseconds(tmo_elapsed / tmo_counted),
|
|
PR_IntervalToMicroseconds(tmo_max));
|
|
}
|
|
}
|
|
|
|
PR_DELETE(buffer);
|
|
PR_DELETE(iov);
|
|
|
|
PR_fprintf(
|
|
PR_GetSpecialFD(PR_StandardError),
|
|
"%s\n", (passed) ? "PASSED" : "FAILED");
|
|
return (passed) ? 0 : 1;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
return (PR_VersionCheck(PR_VERSION)) ?
|
|
PR_Initialize(Writev, argc, argv, 4) : -1;
|
|
} /* main */
|
|
|
|
/* writev.c */
|
|
|
|
|