The Tor Browser: nsprpub/pr/tests/peek.c@6474c204b198

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

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  * A test case for the PR_MSG_PEEK flag of PR_Recv().

     8  *

     9  * Test both blocking and non-blocking sockets.

    10  */

    12 #include "nspr.h"

    14 #include <stdio.h>

    15 #include <stdlib.h>

    16 #include <string.h>

    18 #define BUFFER_SIZE 1024

    20 static int iterations = 10;

    22 /*

    23  * In iteration i, recv_amount[i] is the number of bytes we

    24  * wish to receive, and send_amount[i] is the number of bytes

    25  * we actually send.  Therefore, the number of elements in the

    26  * recv_amount or send_amount array should equal to 'iterations'.

    27  * For this test to pass we need to ensure that

    28  *     recv_amount[i] <= BUFFER_SIZE,

    29  *     send_amount[i] <= BUFFER_SIZE,

    30  *     send_amount[i] <= recv_amount[i].

    31  */

    32 static PRInt32 recv_amount[10] = {

    33     16, 128, 256, 1024, 512, 512, 128, 256, 32, 32};

    34 static PRInt32 send_amount[10] = {

    35     16,  64, 128, 1024, 512, 256, 128,  64, 16, 32};

    37 /* Blocking I/O */

    38 static void ServerB(void *arg)

    39 {

    40     PRFileDesc *listenSock = (PRFileDesc *) arg;

    41     PRFileDesc *sock;

    42     char buf[BUFFER_SIZE];

    43     PRInt32 nbytes;

    44     int i;

    45     int j;

    47     sock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);

    48     if (NULL == sock) {

    49         fprintf(stderr, "PR_Accept failed\n");

    50         exit(1);

    51     }

    53     for (i = 0; i < iterations; i++) {

    54         memset(buf, 0, sizeof(buf));

    55         nbytes = PR_Recv(sock, buf, recv_amount[i],

    56                 PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);

    57         if (-1 == nbytes) {

    58             fprintf(stderr, "PR_Recv failed\n");

    59             exit(1);

    60         }

    61         if (send_amount[i] != nbytes) {

    62             fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);

    63             exit(1);

    64         }

    65         for (j = 0; j < nbytes; j++) {

    66             if (buf[j] != 2*i) {

    67                 fprintf(stderr, "byte %d should be %d but is %d\n",

    68                         j, 2*i, buf[j]);

    69                 exit(1);

    70             }

    71         }

    72         fprintf(stderr, "server: peeked expected data\n");

    74         memset(buf, 0, sizeof(buf));

    75         nbytes = PR_Recv(sock, buf, recv_amount[i],

    76                 PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);

    77         if (-1 == nbytes) {

    78             fprintf(stderr, "PR_Recv failed\n");

    79             exit(1);

    80         }

    81         if (send_amount[i] != nbytes) {

    82             fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);

    83             exit(1);

    84         }

    85         for (j = 0; j < nbytes; j++) {

    86             if (buf[j] != 2*i) {

    87                 fprintf(stderr, "byte %d should be %d but is %d\n",

    88                         j, 2*i, buf[j]);

    89                 exit(1);

    90             }

    91         }

    92         fprintf(stderr, "server: peeked expected data\n");

    94         memset(buf, 0, sizeof(buf));

    95         nbytes = PR_Recv(sock, buf, recv_amount[i],

    96                 0, PR_INTERVAL_NO_TIMEOUT);

    97         if (-1 == nbytes) {

    98             fprintf(stderr, "PR_Recv failed\n");

    99             exit(1);

   100         }

   101         if (send_amount[i] != nbytes) {

   102             fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);

   103             exit(1);

   104         }

   105         for (j = 0; j < nbytes; j++) {

   106             if (buf[j] != 2*i) {

   107                 fprintf(stderr, "byte %d should be %d but is %d\n",

   108                         j, 2*i, buf[j]);

   109                 exit(1);

   110             }

   111         }

   112         fprintf(stderr, "server: received expected data\n");

   114         PR_Sleep(PR_SecondsToInterval(1));

   115         memset(buf, 2*i+1, send_amount[i]);

   116         nbytes = PR_Send(sock, buf, send_amount[i],

   117                 0, PR_INTERVAL_NO_TIMEOUT);

   118         if (-1 == nbytes) {

   119             fprintf(stderr, "PR_Send failed\n");

   120             exit(1);

   121         }

   122         if (send_amount[i] != nbytes) {

   123             fprintf(stderr, "PR_Send returned %d, absurd!\n", nbytes);

   124             exit(1);

   125         }

   126     }

   127     if (PR_Close(sock) == PR_FAILURE) {

   128         fprintf(stderr, "PR_Close failed\n");

   129         exit(1);

   130     }

   131 }

   133 /* Non-blocking I/O */

   134 static void ClientNB(void *arg)

   135 {

   136     PRFileDesc *sock;

   137     PRSocketOptionData opt;

   138     PRUint16 port = (PRUint16) arg;

   139     PRNetAddr addr;

   140     char buf[BUFFER_SIZE];

   141     PRPollDesc pd;

   142     PRInt32 npds;

   143     PRInt32 nbytes;

   144     int i;

   145     int j;

   147     sock = PR_OpenTCPSocket(PR_AF_INET6);

   148     if (NULL == sock) {

   149         fprintf(stderr, "PR_OpenTCPSocket failed\n");

   150         exit(1);

   151     }

   152     opt.option = PR_SockOpt_Nonblocking;

   153     opt.value.non_blocking = PR_TRUE;

   154     if (PR_SetSocketOption(sock, &opt) == PR_FAILURE) {

   155         fprintf(stderr, "PR_SetSocketOption failed\n");

   156         exit(1);

   157     }

   158     memset(&addr, 0, sizeof(addr));

   159     if (PR_SetNetAddr(PR_IpAddrLoopback, PR_AF_INET6, port, &addr)

   160             == PR_FAILURE) {

   161         fprintf(stderr, "PR_SetNetAddr failed\n");

   162         exit(1);

   163     }

   164     if (PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT) == PR_FAILURE) {

   165         if (PR_GetError() != PR_IN_PROGRESS_ERROR) {

   166             fprintf(stderr, "PR_Connect failed\n");

   167             exit(1);

   168         }

   169         pd.fd = sock;

   170         pd.in_flags = PR_POLL_WRITE | PR_POLL_EXCEPT;

   171         npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);

   172         if (-1 == npds) {

   173             fprintf(stderr, "PR_Poll failed\n");

   174             exit(1);

   175         }

   176         if (1 != npds) {

   177             fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);

   178             exit(1);

   179         }

   180         if (PR_GetConnectStatus(&pd) == PR_FAILURE) {

   181             fprintf(stderr, "PR_GetConnectStatus failed\n");

   182             exit(1);

   183         }

   184     }

   186     for (i = 0; i < iterations; i++) {

   187         PR_Sleep(PR_SecondsToInterval(1));

   188         memset(buf, 2*i, send_amount[i]);

   189         while ((nbytes = PR_Send(sock, buf, send_amount[i],

   190                 0, PR_INTERVAL_NO_TIMEOUT)) == -1) {

   191             if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {

   192                 fprintf(stderr, "PR_Send failed\n");

   193                 exit(1);

   194             }

   195             pd.fd = sock;

   196             pd.in_flags = PR_POLL_WRITE;

   197             npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);

   198             if (-1 == npds) {

   199                 fprintf(stderr, "PR_Poll failed\n");

   200                 exit(1);

   201             }

   202             if (1 != npds) {

   203                 fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);

   204                 exit(1);

   205             }

   206         }

   207         if (send_amount[i] != nbytes) {

   208             fprintf(stderr, "PR_Send returned %d, absurd!\n", nbytes);

   209             exit(1);

   210         }

   212         memset(buf, 0, sizeof(buf));

   213         while ((nbytes = PR_Recv(sock, buf, recv_amount[i],

   214                 PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT)) == -1) {

   215             if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {

   216                 fprintf(stderr, "PR_Recv failed\n");

   217                 exit(1);

   218             }

   219             pd.fd = sock;

   220             pd.in_flags = PR_POLL_READ;

   221             npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);

   222             if (-1 == npds) {

   223                 fprintf(stderr, "PR_Poll failed\n");

   224                 exit(1);

   225             }

   226             if (1 != npds) {

   227                 fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);

   228                 exit(1);

   229             }

   230         }

   231         if (send_amount[i] != nbytes) {

   232             fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);

   233             exit(1);

   234         }

   235         for (j = 0; j < nbytes; j++) {

   236             if (buf[j] != 2*i+1) {

   237                 fprintf(stderr, "byte %d should be %d but is %d\n",

   238                         j, 2*i+1, buf[j]);

   239                 exit(1);

   240             }

   241         }

   242         fprintf(stderr, "client: peeked expected data\n");

   244         memset(buf, 0, sizeof(buf));

   245         nbytes = PR_Recv(sock, buf, recv_amount[i],

   246                 PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);

   247         if (-1 == nbytes) {

   248             fprintf(stderr, "PR_Recv failed\n");

   249             exit(1);

   250         }

   251         if (send_amount[i] != nbytes) {

   252             fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);

   253             exit(1);

   254         }

   255         for (j = 0; j < nbytes; j++) {

   256             if (buf[j] != 2*i+1) {

   257                 fprintf(stderr, "byte %d should be %d but is %d\n",

   258                         j, 2*i+1, buf[j]);

   259                 exit(1);

   260             }

   261         }

   262         fprintf(stderr, "client: peeked expected data\n");

   264         memset(buf, 0, sizeof(buf));

   265         nbytes = PR_Recv(sock, buf, recv_amount[i],

   266                 0, PR_INTERVAL_NO_TIMEOUT);

   267         if (-1 == nbytes) {

   268             fprintf(stderr, "PR_Recv failed\n");

   269             exit(1);

   270         }

   271         if (send_amount[i] != nbytes) {

   272             fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);

   273             exit(1);

   274         }

   275         for (j = 0; j < nbytes; j++) {

   276             if (buf[j] != 2*i+1) {

   277                 fprintf(stderr, "byte %d should be %d but is %d\n",

   278                         j, 2*i+1, buf[j]);

   279                 exit(1);

   280             }

   281         }

   282         fprintf(stderr, "client: received expected data\n");

   283     }

   284     if (PR_Close(sock) == PR_FAILURE) {

   285         fprintf(stderr, "PR_Close failed\n");

   286         exit(1);

   287     }

   288 }

   290 static void

   291 RunTest(PRThreadScope scope, PRFileDesc *listenSock, PRUint16 port)

   292 {

   293     PRThread *server, *client;

   295     server = PR_CreateThread(PR_USER_THREAD, ServerB, listenSock,

   296             PR_PRIORITY_NORMAL, scope, PR_JOINABLE_THREAD, 0);

   297     if (NULL == server) {

   298         fprintf(stderr, "PR_CreateThread failed\n");

   299         exit(1);

   300     }

   301     client = PR_CreateThread(

   302             PR_USER_THREAD, ClientNB, (void *) port,

   303             PR_PRIORITY_NORMAL, scope, PR_JOINABLE_THREAD, 0);

   304     if (NULL == client) {

   305         fprintf(stderr, "PR_CreateThread failed\n");

   306         exit(1);

   307     }

   309     if (PR_JoinThread(server) == PR_FAILURE) {

   310         fprintf(stderr, "PR_JoinThread failed\n");

   311         exit(1);

   312     }

   313     if (PR_JoinThread(client) == PR_FAILURE) {

   314         fprintf(stderr, "PR_JoinThread failed\n");

   315         exit(1);

   316     }

   317 }

   319 int main(int argc, char **argv)

   320 {

   321     PRFileDesc *listenSock;

   322     PRNetAddr addr;

   323     PRUint16 port;

   325     listenSock = PR_OpenTCPSocket(PR_AF_INET6);

   326     if (NULL == listenSock) {

   327         fprintf(stderr, "PR_OpenTCPSocket failed\n");

   328         exit(1);

   329     }

   330     memset(&addr, 0, sizeof(addr));

   331     if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) {

   332         fprintf(stderr, "PR_SetNetAddr failed\n");

   333         exit(1);

   334     }

   335     if (PR_Bind(listenSock, &addr) == PR_FAILURE) {

   336         fprintf(stderr, "PR_Bind failed\n");

   337         exit(1);

   338     }

   339     if (PR_GetSockName(listenSock, &addr) == PR_FAILURE) {

   340         fprintf(stderr, "PR_GetSockName failed\n");

   341         exit(1);

   342     }

   343     port = PR_ntohs(addr.ipv6.port);

   344     if (PR_Listen(listenSock, 5) == PR_FAILURE) {

   345         fprintf(stderr, "PR_Listen failed\n");

   346         exit(1);

   347     }

   349     fprintf(stderr, "Running the test with local threads\n");

   350     RunTest(PR_LOCAL_THREAD, listenSock, port);

   351     fprintf(stderr, "Running the test with global threads\n");

   352     RunTest(PR_GLOBAL_THREAD, listenSock, port);

   354     if (PR_Close(listenSock) == PR_FAILURE) {

   355         fprintf(stderr, "PR_Close failed\n");

   356         exit(1);

   357     }

   358     printf("PASS\n");

   359     return 0;

   360 }

The Tor Browser / file revision

nsprpub/pr/tests/peek.c@6474c204b198

nsprpub/pr/tests/peek.c