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lightning-sunbird  0.9+nobinonly
Functions
prselect.c File Reference
#include "plgetopt.h"
#include "prttools.h"
#include "prinit.h"
#include "prio.h"
#include "prlog.h"
#include "prprf.h"
#include "prerror.h"
#include "prnetdb.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

Go to the source code of this file.

Functions

static Test_Result (int result)
static void clientThreadFunc (void *arg)
int main (int argc, char **argv)
 The Xalan testcases app.

Function Documentation

static void clientThreadFunc ( void arg) [static]

Definition at line 98 of file prselect.c.

{
    PRUint16 port = (PRUint16) arg;
    PRFileDesc *sock;
    PRNetAddr addr;
    char buf[128];
    int i;

    addr.inet.family = AF_INET;
    addr.inet.port = PR_htons(port);
    addr.inet.ip = PR_htonl(INADDR_LOOPBACK);
    PR_snprintf(buf, sizeof(buf), "%hu", port);

    for (i = 0; i < 5; i++) {
       sock = PR_NewTCPSocket();
        PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT);
       PR_Write(sock, buf, sizeof(buf));
       PR_Close(sock);
    }
}

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int main ( int  argc,
char **  argv 
)

The Xalan testcases app.

Definition at line 119 of file prselect.c.

{
    PRFileDesc *listenSock1, *listenSock2;
    PRFileDesc *badFD;
    PRFileDesc *fds0[10], *fds1[10], **fds, **other_fds;
    PRIntn nfds;
    PRUint16 listenPort1, listenPort2;
    PRNetAddr addr;
    PR_fd_set readFdSet;
    char buf[128];
    PRThread *clientThread;
    PRInt32 retVal;
    PRIntn i, j;

       /* 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
       */
       PLOptStatus os;
       PLOptState *opt = PL_CreateOptState(argc, argv, "d:");
       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;
         default:
            break;
        }
    }
       PL_DestroyOptState(opt);

 /* main test */
       
    PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
    PR_STDIO_INIT();

    if (debug_mode) {
              printf("This program tests PR_Select with sockets.  Timeout, error\n");
              printf("reporting, and normal operation are tested.\n\n");
       }

    /* Create two listening sockets */
    if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
       fprintf(stderr, "Can't create a new TCP socket\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }
    addr.inet.family = AF_INET;
    addr.inet.ip = PR_htonl(INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
       fprintf(stderr, "Can't bind socket\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }
    if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
       fprintf(stderr, "PR_GetSockName failed\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }
    listenPort1 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
       fprintf(stderr, "Can't listen on a socket\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }

    if ((listenSock2  = PR_NewTCPSocket()) == NULL) {
       fprintf(stderr, "Can't create a new TCP socket\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }
    addr.inet.family = AF_INET;
    addr.inet.ip = PR_htonl(INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
       fprintf(stderr, "Can't bind socket\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }
    if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
       fprintf(stderr, "PR_GetSockName failed\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }
    listenPort2 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
       fprintf(stderr, "Can't listen on a socket\n");
       if (!debug_mode) Test_Result(FAIL);
       exit(1);
    }
    PR_snprintf(buf, sizeof(buf),
           "The server thread is listening on ports %hu and %hu\n\n",
           listenPort1, listenPort2);
    printf("%s", buf);

    /* Set up the fd set */
    PR_FD_ZERO(&readFdSet);
    PR_FD_SET(listenSock1, &readFdSet);
    PR_FD_SET(listenSock2, &readFdSet);

    /* Testing timeout */
    if (debug_mode) printf("PR_Select should time out in 5 seconds\n");
    retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
           PR_SecondsToInterval(5));
    if (retVal != 0) {
       PR_snprintf(buf, sizeof(buf),
              "PR_Select should time out and return 0, but it returns %ld\n",
              retVal);
       fprintf(stderr, "%s", buf);
       if (retVal == -1) {
           fprintf(stderr, "Error %d, oserror %d\n", PR_GetError(),
                  PR_GetOSError());
                     if (!debug_mode) Test_Result(FAIL);
       }
       exit(1);
    }
    if (debug_mode) printf("PR_Select timed out.  Test passed.\n\n");
       else Test_Result(PASS);

    /* Testing bad fd */
    printf("PR_Select should detect a bad file descriptor\n");
    if ((badFD = PR_NewTCPSocket()) == NULL) {
       fprintf(stderr, "Can't create a TCP socket\n");
       exit(1);
    }

    PR_FD_SET(listenSock1, &readFdSet);
    PR_FD_SET(listenSock2, &readFdSet);
    PR_FD_SET(badFD, &readFdSet);
    PR_Close(badFD);  /* make the fd bad */
    retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
           PR_INTERVAL_NO_TIMEOUT);
    if (retVal != -1 || PR_GetError() != PR_BAD_DESCRIPTOR_ERROR) {
       fprintf(stderr, "Failed to detect the bad fd: "
              "PR_Select returns %d\n", retVal);
       if (retVal == -1) {
           fprintf(stderr, "Error %d, oserror %d\n", PR_GetError(),
                  PR_GetOSError());
       }
       exit(1);
    }
    printf("PR_Select detected a bad fd.  Test passed.\n\n");
    PR_FD_CLR(badFD, &readFdSet);

    clientThread = PR_CreateThread(PR_USER_THREAD,
           clientThreadFunc, (void *) listenPort1,
           PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
           PR_UNJOINABLE_THREAD, 0);
    if (clientThread == NULL) {
       fprintf(stderr, "can't create thread\n");
       exit(1);
    }

    clientThread = PR_CreateThread(PR_USER_THREAD,
           clientThreadFunc, (void *) listenPort2,
           PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
           PR_UNJOINABLE_THREAD, 0);
    if (clientThread == NULL) {
       fprintf(stderr, "can't create thread\n");
       exit(1);
    }

    printf("Two client threads are created.  Each of them will\n");
    printf("send data to one of the two ports the server is listening on.\n");
    printf("The data they send is the port number.  Each of them send\n");
    printf("the data five times, so you should see ten lines below,\n");
    printf("interleaved in an arbitrary order.\n");

    /* set up the fd array */
    fds = fds0;
    other_fds = fds1;
    fds[0] = listenSock1;
    fds[1] = listenSock2;
    nfds = 2;
    PR_FD_SET(listenSock1, &readFdSet);
    PR_FD_SET(listenSock2, &readFdSet);

    /* 20 events total */
    i = 0;
    while (i < 20) {
       PRFileDesc **tmp;
       int nextIndex;
       int nEvents = 0;

       retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
              PR_INTERVAL_NO_TIMEOUT);
       PR_ASSERT(retVal != 0);  /* no timeout */
       if (retVal == -1) {
           fprintf(stderr, "PR_Select failed (%d, %d)\n", PR_GetError(),
                  PR_GetOSError());
           exit(1);
       }

       nextIndex = 2;
       /* the two listening sockets */
       for (j = 0; j < 2; j++) {
           other_fds[j] = fds[j];
           if (PR_FD_ISSET(fds[j], &readFdSet)) {
              PRFileDesc *sock;

              nEvents++;
              sock = PR_Accept(fds[j], NULL, PR_INTERVAL_NO_TIMEOUT);
              if (sock == NULL) {
                  fprintf(stderr, "PR_Accept() failed\n");
                  exit(1);
              }
              other_fds[nextIndex] = sock;
              PR_FD_SET(sock, &readFdSet);
              nextIndex++;
           }
           PR_FD_SET(fds[j], &readFdSet);
       }

       for (j = 2; j < nfds; j++) {
           if (PR_FD_ISSET(fds[j], &readFdSet)) {
              PRInt32 nBytes;

              PR_FD_CLR(fds[j], &readFdSet);
              nEvents++;
              nBytes = PR_Read(fds[j], buf, sizeof(buf));
              if (nBytes == -1) {
                  fprintf(stderr, "PR_Read() failed\n");
                  exit(1);
              }
              /* Just to be safe */
              buf[127] = '\0';
              PR_Close(fds[j]);
              printf("The server received \"%s\" from a client\n", buf);
           } else {
              PR_FD_SET(fds[j], &readFdSet);
              other_fds[nextIndex] = fds[j];
              nextIndex++;
           }
       }

       PR_ASSERT(retVal == nEvents);
       /* swap */
       tmp = fds;
       fds = other_fds;
       other_fds = tmp;
       nfds = nextIndex;
       i += nEvents;
    }

    printf("All tests finished\n");
    PR_Cleanup();
    return 0;
}

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static Test_Result ( int  result) [static]

Definition at line 89 of file prselect.c.

{
       if (result == PASS)
              printf ("PASS\n");
       else
              printf ("FAIL\n");
}

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