The Tor Browser: nsprpub/pr/tests/thrpool_client.c@b8a032363ba2 (annotated)

nsprpub/pr/tests/thrpool_client.c@b8a032363ba2 (annotated)

nsprpub/pr/tests/thrpool_client.c

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- 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/. */
 /***********************************************************************
 **
 ** Name: thrpool_client.c
 **
 ** Description: Test threadpool functionality.
 **
 ** Modification History:
 */
 #include "primpl.h"
 #include "plgetopt.h"
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
 #ifdef XP_UNIX
 #include <sys/mman.h>
 #endif
 #if defined(_PR_PTHREADS) && !defined(_PR_DCETHREADS)
 #include <pthread.h>
 #endif
 #ifdef WIN32
 #include <process.h>
 #endif
 static int _debug_on = 0;
 static int server_port = -1;
 static char *program_name = NULL;
 #include "obsolete/prsem.h"
 #ifdef XP_PC
 #define mode_t int
 #endif
 #define DPRINTF(arg) if (_debug_on) printf arg
 #define    BUF_DATA_SIZE    (2 * 1024)
 #define TCP_MESG_SIZE    1024
 #define NUM_TCP_CLIENTS            10	/* for a listen queue depth of 5 */
 #define NUM_TCP_CONNECTIONS_PER_CLIENT    10
 #define NUM_TCP_MESGS_PER_CONNECTION    10
 #define TCP_SERVER_PORT            10000
 static PRInt32 num_tcp_clients = NUM_TCP_CLIENTS;
 static PRInt32 num_tcp_connections_per_client = NUM_TCP_CONNECTIONS_PER_CLIENT;
 static PRInt32 tcp_mesg_size = TCP_MESG_SIZE;
 static PRInt32 num_tcp_mesgs_per_connection = NUM_TCP_MESGS_PER_CONNECTION;
 int failed_already=0;
 typedef struct buffer {
     char    data[BUF_DATA_SIZE];
 } buffer;
 PRNetAddr tcp_server_addr, udp_server_addr;
 typedef struct Client_Param {
     PRNetAddr server_addr;
     PRMonitor *exit_mon;    /* monitor to signal on exit */
     PRInt32 *exit_counter;    /* counter to decrement, before exit */
     PRInt32    datalen;
 } Client_Param;
 /*
  * readn
  *    read data from sockfd into buf
  */
 static PRInt32
 readn(PRFileDesc *sockfd, char *buf, int len)
 {
     int rem;
     int bytes;
     int offset = 0;
 	PRIntervalTime timeout = PR_INTERVAL_NO_TIMEOUT;
     for (rem=len; rem; offset += bytes, rem -= bytes) {
         DPRINTF(("thread = 0x%lx: calling PR_Recv, bytes = %d\n",
             PR_GetCurrentThread(), rem));
         bytes = PR_Recv(sockfd, buf + offset, rem, 0,
             	timeout);
         DPRINTF(("thread = 0x%lx: returning from PR_Recv, bytes = %d\n",
             PR_GetCurrentThread(), bytes));
         if (bytes < 0) {
 			return -1;
 		}
     }
     return len;
 }
 /*
  * writen
  *    write data from buf to sockfd
  */
 static PRInt32
 writen(PRFileDesc *sockfd, char *buf, int len)
 {
     int rem;
     int bytes;
     int offset = 0;
     for (rem=len; rem; offset += bytes, rem -= bytes) {
         DPRINTF(("thread = 0x%lx: calling PR_Send, bytes = %d\n",
             PR_GetCurrentThread(), rem));
         bytes = PR_Send(sockfd, buf + offset, rem, 0,
             PR_INTERVAL_NO_TIMEOUT);
         DPRINTF(("thread = 0x%lx: returning from PR_Send, bytes = %d\n",
             PR_GetCurrentThread(), bytes));
         if (bytes <= 0)
             return -1;
     }
     return len;
 }
 /*
  * TCP_Client
  *    Client job
  *    Connect to the server at the address specified in the argument.
  *    Fill in a buffer, write data to server, read it back and check
  *    for data corruption.
  *    Close the socket for server connection
  */
 static void PR_CALLBACK
 TCP_Client(void *arg)
 {
     Client_Param *cp = (Client_Param *) arg;
     PRFileDesc *sockfd;
     buffer *in_buf, *out_buf;
     union PRNetAddr netaddr;
     PRInt32 bytes, i, j;
     DPRINTF(("TCP client started\n"));
     bytes = cp->datalen;
     out_buf = PR_NEW(buffer);
     if (out_buf == NULL) {
         fprintf(stderr,"%s: failed to alloc buffer struct\n", program_name);
         failed_already=1;
         return;
     }
     in_buf = PR_NEW(buffer);
     if (in_buf == NULL) {
         fprintf(stderr,"%s: failed to alloc buffer struct\n", program_name);
         failed_already=1;
         return;
     }
     netaddr.inet.family = cp->server_addr.inet.family;
     netaddr.inet.port = cp->server_addr.inet.port;
     netaddr.inet.ip = cp->server_addr.inet.ip;
     for (i = 0; i < num_tcp_connections_per_client; i++) {
         if ((sockfd = PR_OpenTCPSocket(PR_AF_INET)) == NULL) {
             fprintf(stderr,"%s: PR_OpenTCPSocket failed\n", program_name);
             failed_already=1;
             return;
         }
         DPRINTF(("TCP client connecting to server:%d\n", server_port));
         if (PR_Connect(sockfd, &netaddr,PR_INTERVAL_NO_TIMEOUT) < 0){
         	fprintf(stderr, "PR_Connect failed: (%ld, %ld)\n",
             		PR_GetError(), PR_GetOSError());
             failed_already=1;
             return;
         }
         for (j = 0; j < num_tcp_mesgs_per_connection; j++) {
             /*
              * fill in random data
              */
             memset(out_buf->data, ((PRInt32) (&netaddr)) + i + j, bytes);
             /*
              * write to server
              */
             if (writen(sockfd, out_buf->data, bytes) < bytes) {
                 fprintf(stderr,"%s: ERROR - TCP_Client:writen\n", program_name);
                 failed_already=1;
                 return;
             }
 			/*
             DPRINTF(("TCP Client [0x%lx]: out_buf = 0x%lx out_buf[0] = 0x%lx\n",
                 PR_GetCurrentThread(), out_buf, (*((int *) out_buf->data))));
 			*/
             if (readn(sockfd, in_buf->data, bytes) < bytes) {
                 fprintf(stderr,"%s: ERROR - TCP_Client:readn\n", program_name);
                 failed_already=1;
                 return;
             }
             /*
              * verify the data read
              */
             if (memcmp(in_buf->data, out_buf->data, bytes) != 0) {
                 fprintf(stderr,"%s: ERROR - data corruption\n", program_name);
                 failed_already=1;
                 return;
             }
         }
         /*
          * shutdown reads and writes
          */
         if (PR_Shutdown(sockfd, PR_SHUTDOWN_BOTH) < 0) {
             fprintf(stderr,"%s: ERROR - PR_Shutdown\n", program_name);
             failed_already=1;
         }
         PR_Close(sockfd);
     }
     PR_DELETE(out_buf);
     PR_DELETE(in_buf);
     /*
      * Decrement exit_counter and notify parent thread
      */
     PR_EnterMonitor(cp->exit_mon);
     --(*cp->exit_counter);
     PR_Notify(cp->exit_mon);
     PR_ExitMonitor(cp->exit_mon);
     DPRINTF(("TCP_Client exiting\n"));
 }
 /*
  * TCP_Socket_Client_Server_Test    - concurrent server test
  *
  *    Each client connects to the server and sends a chunk of data
  *    For each connection, server reads the data
  *    from the client and sends it back to the client, unmodified.
  *    Each client checks that data received from server is same as the
  *    data it sent to the server.
  *
  */
 static PRInt32
 TCP_Socket_Client_Server_Test(void)
 {
     int i;
     Client_Param *cparamp;
     PRMonitor *mon2;
     PRInt32    datalen;
     PRInt32    connections = 0;
 	PRThread *thr;
     datalen = tcp_mesg_size;
     connections = 0;
     mon2 = PR_NewMonitor();
     if (mon2 == NULL) {
         fprintf(stderr,"%s: PR_NewMonitor failed\n", program_name);
         failed_already=1;
         return -1;
     }
     /*
      * Start client jobs
      */
     cparamp = PR_NEW(Client_Param);
     if (cparamp == NULL) {
         fprintf(stderr,"%s: PR_NEW failed\n", program_name);
         failed_already=1;
         return -1;
     }
     cparamp->server_addr.inet.family = PR_AF_INET;
     cparamp->server_addr.inet.port = PR_htons(server_port);
     cparamp->server_addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
     cparamp->exit_mon = mon2;
     cparamp->exit_counter = &connections;
     cparamp->datalen = datalen;
     for (i = 0; i < num_tcp_clients; i++) {
 		thr = PR_CreateThread(PR_USER_THREAD, TCP_Client, (void *)cparamp,
         		PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_UNJOINABLE_THREAD, 0);
         if (NULL == thr) {
             fprintf(stderr,"%s: PR_CreateThread failed\n", program_name);
             failed_already=1;
             return -1;
         }
     	PR_EnterMonitor(mon2);
         connections++;
     	PR_ExitMonitor(mon2);
         DPRINTF(("Created TCP client = 0x%lx\n", thr));
     }
     /* Wait for client jobs to exit */
     PR_EnterMonitor(mon2);
     while (0 != connections) {
         PR_Wait(mon2, PR_INTERVAL_NO_TIMEOUT);
         DPRINTF(("Client job count = %d\n", connections));
     }
     PR_ExitMonitor(mon2);
     printf("%30s","TCP_Socket_Client_Server_Test:");
     printf("%2ld Server %2ld Clients %2ld connections_per_client\n",1l,
         num_tcp_clients, num_tcp_connections_per_client);
     printf("%30s %2ld messages_per_connection %4ld bytes_per_message\n",":",
         num_tcp_mesgs_per_connection, tcp_mesg_size);
     PR_DELETE(cparamp);
     return 0;
 }
 /************************************************************************/
 int main(int argc, char **argv)
 {
     /*
      * -d           debug mode
      */
     PLOptStatus os;
     PLOptState *opt;
 	program_name = argv[0];
     opt = PL_CreateOptState(argc, argv, "dp:");
     while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
     {
         if (PL_OPT_BAD == os) continue;
         switch (opt->option)
         {
         case 'd':  /* debug mode */
             _debug_on = 1;
             break;
         case 'p':
             server_port = atoi(opt->value);
             break;
         default:
             break;
         }
     }
     PL_DestroyOptState(opt);
     PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
     PR_STDIO_INIT();
     PR_SetConcurrency(4);
 	TCP_Socket_Client_Server_Test();
     PR_Cleanup();
     if (failed_already)
 		return 1;
     else
 		return 0;
 }

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nsprpub/pr/tests/thrpool_client.c@b8a032363ba2 (annotated)

nsprpub/pr/tests/thrpool_client.c