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io_timeout.c File Reference
#include "plgetopt.h"
#include <stdio.h>
#include "nspr.h"

Go to the source code of this file.

Classes

struct  threadInfo

Defines

#define NUM_THREADS   1
#define BASE_PORT   8000
#define DEFAULT_ACCEPT_TIMEOUT   2
#define LOCAL_SCOPE_STRING   "LOCAL scope"
#define GLOBAL_SCOPE_STRING   "GLOBAL scope"
#define GLOBAL_BOUND_SCOPE_STRING   "GLOBAL_BOUND scope"

Typedefs

typedef struct threadInfo threadInfo

Functions

void thread_main (void *_info)
void thread_test (PRThreadScope scope, PRInt32 num_threads)
int main (int argc, char **argv)
 The Xalan testcases app.

Variables

PRIntn failed_already = 0
PRIntn debug_mode = 0

Class Documentation

struct threadInfo

Definition at line 70 of file io_timeout.c.

Collaboration diagram for threadInfo:
Class Members
PRInt16 accept_timeout
PRInt32 * alive
PRCondVar * dead_cv
PRLock * dead_lock
PRInt16 id

Define Documentation

#define BASE_PORT   8000

Definition at line 67 of file io_timeout.c.

Definition at line 68 of file io_timeout.c.

#define GLOBAL_BOUND_SCOPE_STRING   "GLOBAL_BOUND scope"

Definition at line 83 of file io_timeout.c.

Definition at line 82 of file io_timeout.c.

Definition at line 81 of file io_timeout.c.

Definition at line 66 of file io_timeout.c.


Typedef Documentation

typedef struct threadInfo threadInfo

Function Documentation

int main ( int  argc,
char **  argv 
)

The Xalan testcases app.

Definition at line 242 of file io_timeout.c.

{
    PRInt32 num_threads = 0;

       /* The command line argument: -d is used to determine if the test is being run
       in debug mode. The regress tool requires only one line output:PASS or FAIL.
       All of the printfs associated with this test has been handled with a if (debug_mode)
       test.
       Usage: test_name [-d] [-t <threads>]
       */
       PLOptStatus os;
       PLOptState *opt = PL_CreateOptState(argc, argv, "dt:");
       while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
    {
              if (PL_OPT_BAD == os) continue;
        switch (opt->option)
        {
        case 'd':  /* debug mode */
                     debug_mode = 1;
            break;
        case 't':  /* threads to involve */
                     num_threads = atoi(opt->value);
            break;
         default:
            break;
        }
    }
       PL_DestroyOptState(opt);

 /* main test */
       
    if (0 == num_threads)
        num_threads = NUM_THREADS;

    PR_Init(PR_USER_THREAD, PR_PRIORITY_LOW, 0);
    PR_STDIO_INIT();

#ifdef XP_MAC
       SetupMacPrintfLog("io_timeout.log");
       debug_mode = 1;
#endif

    printf("test with global bound thread\n");
    thread_test(PR_GLOBAL_BOUND_THREAD, num_threads);

    printf("test with local thread\n");
    thread_test(PR_LOCAL_THREAD, num_threads);

    printf("test with global thread\n");
    thread_test(PR_GLOBAL_THREAD, num_threads);

    PR_Cleanup();

       if (failed_already)
              return 1;
       else
       return 0;
}

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void thread_main ( void _info)

Definition at line 86 of file io_timeout.c.

{
    threadInfo *info = (threadInfo *)_info;
    PRNetAddr listenAddr;
    PRNetAddr clientAddr;
    PRFileDesc *listenSock = NULL;
    PRFileDesc *clientSock;
    PRStatus rv;
       PRThreadScope tscope;
       char *scope_str;

 
       if (debug_mode)
       printf("thread %d is alive\n", info->id);
       tscope = PR_GetThreadScope(PR_GetCurrentThread());

       switch(tscope) {
              case PR_LOCAL_THREAD:
                     scope_str = LOCAL_SCOPE_STRING;
                     break;
              case PR_GLOBAL_THREAD:
                     scope_str = GLOBAL_SCOPE_STRING;
                     break;
              case PR_GLOBAL_BOUND_THREAD:
                     scope_str = GLOBAL_BOUND_SCOPE_STRING;
                     break;
              default:
                     PR_ASSERT(!"Invalid thread scope");
                     break;
       }
       printf("thread id %d, scope %s\n", info->id, scope_str);

    listenSock = PR_NewTCPSocket();
    if (!listenSock) {
              if (debug_mode)
              printf("unable to create listen socket\n");
              failed_already=1;
        goto dead;
    }
  
    listenAddr.inet.family = PR_AF_INET;
    listenAddr.inet.port = PR_htons(BASE_PORT + info->id);
    listenAddr.inet.ip = PR_htonl(PR_INADDR_ANY);
    rv = PR_Bind(listenSock, &listenAddr);
    if (rv == PR_FAILURE) {
              if (debug_mode)
              printf("unable to bind\n");
              failed_already=1;
        goto dead;
    }

    rv = PR_Listen(listenSock, 4);
    if (rv == PR_FAILURE) {
              if (debug_mode)
              printf("unable to listen\n");
              failed_already=1;
        goto dead;
    }

       if (debug_mode)
       printf("thread %d going into accept for %d seconds\n", 
              info->id, info->accept_timeout + info->id);

    clientSock = PR_Accept(listenSock, &clientAddr, PR_SecondsToInterval(info->accept_timeout +info->id));

    if (clientSock == NULL) {
        if (PR_GetError() == PR_IO_TIMEOUT_ERROR) {
                     if (debug_mode) {    
              printf("PR_Accept() timeout worked!\n"); 
                            printf("TEST PASSED! PR_Accept() returned error %d\n",
                                                 PR_IO_TIMEOUT_ERROR);
                     }
       } else {
                     if (debug_mode)
              printf("TEST FAILED! PR_Accept() returned error %d\n",
                                                                                                  PR_GetError());
                     failed_already=1;
              }
    } else {
              if (debug_mode)
              printf ("TEST FAILED! PR_Accept() succeeded?\n");
              failed_already=1;
              PR_Close(clientSock);
    }

dead:
    if (listenSock) {
              PR_Close(listenSock);
    }
    PR_Lock(info->dead_lock);
    (*info->alive)--;
    PR_NotifyCondVar(info->dead_cv);
    PR_Unlock(info->dead_lock);

       if (debug_mode)
       printf("thread %d is dead\n", info->id);

    PR_Free(info);
}

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void thread_test ( PRThreadScope  scope,
PRInt32  num_threads 
)

Definition at line 187 of file io_timeout.c.

{
    PRInt32 index;
    PRThread *thr;
    PRLock *dead_lock;
    PRCondVar *dead_cv;
    PRInt32 alive;

       if (debug_mode)
       printf("IO Timeout test started with %d threads\n", num_threads);

    dead_lock = PR_NewLock();
    dead_cv = PR_NewCondVar(dead_lock);
    alive = num_threads;
    
    for (index = 0; index < num_threads; index++) {
        threadInfo *info = (threadInfo *)PR_Malloc(sizeof(threadInfo));

        info->id = index;
        info->dead_lock = dead_lock;
        info->dead_cv = dead_cv;
        info->alive = &alive;
        info->accept_timeout = DEFAULT_ACCEPT_TIMEOUT;
        
        thr = PR_CreateThread( PR_USER_THREAD,
                               thread_main,
                               (void *)info,
                               PR_PRIORITY_NORMAL,
                               scope,
                               PR_UNJOINABLE_THREAD,
                               0);

        if (!thr) {
              printf("Failed to create thread, error = %d(%d)\n",
                                                                             PR_GetError(), PR_GetOSError());
                     failed_already=1;

            PR_Lock(dead_lock);
            alive--;
            PR_Unlock(dead_lock);
        }
    }

    PR_Lock(dead_lock);
    while(alive) {
              if (debug_mode)
              printf("main loop awake; alive = %d\n", alive);
        PR_WaitCondVar(dead_cv, PR_INTERVAL_NO_TIMEOUT);
    }
    PR_Unlock(dead_lock);

    PR_DestroyCondVar(dead_cv);
    PR_DestroyLock(dead_lock);
}

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Variable Documentation

PRIntn debug_mode = 0

Definition at line 79 of file io_timeout.c.

PRIntn failed_already = 0

Definition at line 78 of file io_timeout.c.