The Tor Browser: nsprpub/pr/tests/fdcach.c@6474c204b198 (annotated)

nsprpub/pr/tests/fdcach.c@6474c204b198 (annotated)

nsprpub/pr/tests/fdcach.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /*
  * File: fdcach.c
  * Description:
  *   This test verifies that the fd cache and stack are working
  *   correctly.
  */
 #include "nspr.h"
 #include <stdio.h>
 #include <stdlib.h>
 /*
  * Define ORDER_PRESERVED if the implementation of PR_SetFDCacheSize
  * preserves the ordering of the fd's when moving them between the
  * cache and the stack.
  */
 #define ORDER_PRESERVED 1
 /*
  * NUM_FDS must be <= FD_CACHE_SIZE.
  */
 #define FD_CACHE_SIZE 1024
 #define NUM_FDS 20
 int main(int argc, char **argv)
 {
     int i;
     PRFileDesc *fds[NUM_FDS];
     PRFileDesc *savefds[NUM_FDS];
     int numfds = sizeof(fds)/sizeof(fds[0]);
     /*
      * Switch between cache and stack when they are empty.
      * Then start with the fd cache.
      */
     PR_SetFDCacheSize(0, FD_CACHE_SIZE);
     PR_SetFDCacheSize(0, 0);
     PR_SetFDCacheSize(0, FD_CACHE_SIZE);
     /* Add some fd's to the fd cache. */
     for (i = 0; i < numfds; i++) {
         savefds[i] = PR_NewTCPSocket();
         if (NULL == savefds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
     }
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     /*
      * Create some fd's.  These fd's should come from
      * the fd cache.  Verify the FIFO ordering of the fd
      * cache.
      */
     for (i = 0; i < numfds; i++) {
         fds[i] = PR_NewTCPSocket();
         if (NULL == fds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
         if (fds[i] != savefds[i]) {
             fprintf(stderr, "fd cache malfunctioned\n");
             exit(1);
         }
     }
     /* Put the fd's back to the fd cache. */
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     /* Switch to the fd stack. */
     PR_SetFDCacheSize(0, 0);
     /*
      * Create some fd's.  These fd's should come from
      * the fd stack.
      */
     for (i = 0; i < numfds; i++) {
         fds[i] = PR_NewTCPSocket();
         if (NULL == fds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
 #ifdef ORDER_PRESERVED
         if (fds[i] != savefds[numfds-1-i]) {
             fprintf(stderr, "fd stack malfunctioned\n");
             exit(1);
         }
 #else
         savefds[numfds-1-i] = fds[i];
 #endif
     }
     /* Put the fd's back to the fd stack. */
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     /*
      * Now create some fd's and verify the LIFO ordering of
      * the fd stack.
      */
     for (i = 0; i < numfds; i++) {
         fds[i] = PR_NewTCPSocket();
         if (NULL == fds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
         if (fds[i] != savefds[numfds-1-i]) {
             fprintf(stderr, "fd stack malfunctioned\n");
             exit(1);
         }
     }
     /* Put the fd's back to the fd stack. */
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     /* Switch to the fd cache. */
     PR_SetFDCacheSize(0, FD_CACHE_SIZE);
     for (i = 0; i < numfds; i++) {
         fds[i] = PR_NewTCPSocket();
         if (NULL == fds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
 #ifdef ORDER_PRESERVED
         if (fds[i] != savefds[i]) {
             fprintf(stderr, "fd cache malfunctioned\n");
             exit(1);
         }
 #else
         savefds[i] = fds[i];
 #endif
     }
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     for (i = 0; i < numfds; i++) {
         fds[i] = PR_NewTCPSocket();
         if (NULL == fds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
         if (fds[i] != savefds[i]) {
             fprintf(stderr, "fd cache malfunctioned\n");
             exit(1);
         }
     }
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     /* Switch to the fd stack. */
     PR_SetFDCacheSize(0, 0);
     for (i = 0; i < numfds; i++) {
         fds[i] = PR_NewTCPSocket();
         if (NULL == fds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
 #ifdef ORDER_PRESERVED
         if (fds[i] != savefds[numfds-1-i]) {
             fprintf(stderr, "fd stack malfunctioned\n");
             exit(1);
         }
 #else
         savefds[numfds-1-i];
 #endif
     }
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     for (i = 0; i < numfds; i++) {
         fds[i] = PR_NewTCPSocket();
         if (NULL == fds[i]) {
             fprintf(stderr, "PR_NewTCPSocket failed\n");
             exit(1);
         }
         if (fds[i] != savefds[numfds-1-i]) {
             fprintf(stderr, "fd stack malfunctioned\n");
             exit(1);
         }
     }
     for (i = 0; i < numfds; i++) {
         if (PR_Close(savefds[i]) == PR_FAILURE) {
             fprintf(stderr, "PR_Close failed\n");
             exit(1);
         }
     }
     PR_Cleanup();
     printf("PASS\n");
     return 0;
 }

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nsprpub/pr/tests/fdcach.c@6474c204b198 (annotated)

nsprpub/pr/tests/fdcach.c