зеркало из https://github.com/mozilla/pjs.git
257 строки
7.0 KiB
C
257 строки
7.0 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/*
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* File: fdcach.c
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* Description:
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* This test verifies that the fd cache and stack are working
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* correctly.
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*/
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#include "nspr.h"
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#include <stdio.h>
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#include <stdlib.h>
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/*
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* Define ORDER_PRESERVED if the implementation of PR_SetFDCacheSize
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* preserves the ordering of the fd's when moving them between the
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* cache and the stack.
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*/
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#define ORDER_PRESERVED 1
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/*
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* NUM_FDS must be <= FD_CACHE_SIZE.
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*/
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#define FD_CACHE_SIZE 1024
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#define NUM_FDS 20
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int main(int argc, char **argv)
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{
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int i;
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PRFileDesc *fds[NUM_FDS];
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PRFileDesc *savefds[NUM_FDS];
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int numfds = sizeof(fds)/sizeof(fds[0]);
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/*
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* Switch between cache and stack when they are empty.
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* Then start with the fd cache.
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*/
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PR_SetFDCacheSize(0, FD_CACHE_SIZE);
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PR_SetFDCacheSize(0, 0);
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PR_SetFDCacheSize(0, FD_CACHE_SIZE);
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/* Add some fd's to the fd cache. */
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for (i = 0; i < numfds; i++) {
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savefds[i] = PR_NewTCPSocket();
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if (NULL == savefds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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}
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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/*
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* Create some fd's. These fd's should come from
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* the fd cache. Verify the FIFO ordering of the fd
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* cache.
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*/
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for (i = 0; i < numfds; i++) {
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fds[i] = PR_NewTCPSocket();
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if (NULL == fds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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if (fds[i] != savefds[i]) {
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fprintf(stderr, "fd cache malfunctioned\n");
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exit(1);
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}
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}
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/* Put the fd's back to the fd cache. */
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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/* Switch to the fd stack. */
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PR_SetFDCacheSize(0, 0);
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/*
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* Create some fd's. These fd's should come from
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* the fd stack.
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*/
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for (i = 0; i < numfds; i++) {
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fds[i] = PR_NewTCPSocket();
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if (NULL == fds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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#ifdef ORDER_PRESERVED
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if (fds[i] != savefds[numfds-1-i]) {
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fprintf(stderr, "fd stack malfunctioned\n");
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exit(1);
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}
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#else
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savefds[numfds-1-i] = fds[i];
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#endif
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}
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/* Put the fd's back to the fd stack. */
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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/*
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* Now create some fd's and verify the LIFO ordering of
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* the fd stack.
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*/
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for (i = 0; i < numfds; i++) {
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fds[i] = PR_NewTCPSocket();
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if (NULL == fds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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if (fds[i] != savefds[numfds-1-i]) {
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fprintf(stderr, "fd stack malfunctioned\n");
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exit(1);
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}
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}
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/* Put the fd's back to the fd stack. */
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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/* Switch to the fd cache. */
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PR_SetFDCacheSize(0, FD_CACHE_SIZE);
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for (i = 0; i < numfds; i++) {
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fds[i] = PR_NewTCPSocket();
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if (NULL == fds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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#ifdef ORDER_PRESERVED
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if (fds[i] != savefds[i]) {
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fprintf(stderr, "fd cache malfunctioned\n");
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exit(1);
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}
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#else
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savefds[i] = fds[i];
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#endif
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}
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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for (i = 0; i < numfds; i++) {
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fds[i] = PR_NewTCPSocket();
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if (NULL == fds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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if (fds[i] != savefds[i]) {
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fprintf(stderr, "fd cache malfunctioned\n");
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exit(1);
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}
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}
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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/* Switch to the fd stack. */
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PR_SetFDCacheSize(0, 0);
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for (i = 0; i < numfds; i++) {
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fds[i] = PR_NewTCPSocket();
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if (NULL == fds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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#ifdef ORDER_PRESERVED
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if (fds[i] != savefds[numfds-1-i]) {
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fprintf(stderr, "fd stack malfunctioned\n");
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exit(1);
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}
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#else
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savefds[numfds-1-i];
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#endif
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}
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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for (i = 0; i < numfds; i++) {
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fds[i] = PR_NewTCPSocket();
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if (NULL == fds[i]) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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if (fds[i] != savefds[numfds-1-i]) {
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fprintf(stderr, "fd stack malfunctioned\n");
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exit(1);
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}
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}
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for (i = 0; i < numfds; i++) {
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if (PR_Close(savefds[i]) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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PR_Cleanup();
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printf("PASS\n");
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return 0;
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}
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