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lightning-sunbird  0.9+nobinonly
Defines | Functions
prpoll.c File Reference
#include "prinit.h"
#include "prio.h"
#include "prlog.h"
#include "prprf.h"
#include "prnetdb.h"
#include "private/pprio.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

Go to the source code of this file.

Defines

#define CLIENT_LOOPS   5
#define BUF_SIZE   128

Functions

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

Define Documentation

#define BUF_SIZE   128

Definition at line 63 of file prpoll.c.

Definition at line 62 of file prpoll.c.


Function Documentation

static void clientThreadFunc ( void arg) [static]

Definition at line 70 of file prpoll.c.

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

    addr.inet.family = PR_AF_INET;
    addr.inet.port = PR_htons(port);
    addr.inet.ip = PR_htonl(PR_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 92 of file prpoll.c.

{
    PRFileDesc *listenSock1, *listenSock2;
    PRFileDesc *badFD;
    PRUint16 listenPort1, listenPort2;
    PRNetAddr addr;
    char buf[BUF_SIZE];
    PRThread *clientThread;
    PRPollDesc pds0[10], pds1[10], *pds, *other_pds;
    PRIntn npds;
    PRInt32 retVal;
    PRInt32 sd, rv;
       struct sockaddr_in saddr;
    PRIntn saddr_len;
    PRUint16 listenPort3;
    PRFileDesc *socket_poll_fd;
    PRIntn i, j;

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

    printf("This program tests PR_Poll with sockets.\n");
    printf("Timeout, error 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");
       exit(1);
    }
    addr.inet.family = PR_AF_INET;
    addr.inet.ip = PR_htonl(PR_INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
       fprintf(stderr, "Can't bind socket\n");
       exit(1);
    }
    if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
       fprintf(stderr, "PR_GetSockName failed\n");
       exit(1);
    }
    listenPort1 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
       fprintf(stderr, "Can't listen on a socket\n");
       exit(1);
    }

    if ((listenSock2  = PR_NewTCPSocket()) == NULL) {
       fprintf(stderr, "Can't create a new TCP socket\n");
       exit(1);
    }
    addr.inet.family = PR_AF_INET;
    addr.inet.ip = PR_htonl(PR_INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
       fprintf(stderr, "Can't bind socket\n");
       exit(1);
    }
    if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
       fprintf(stderr, "PR_GetSockName failed\n");
       exit(1);
    }
    listenPort2 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
       fprintf(stderr, "Can't listen on a socket\n");
       exit(1);
    }
    /* Set up the poll descriptor array */
    pds = pds0;
    other_pds = pds1;
    memset(pds, 0, sizeof(pds));
       npds = 0;
    pds[npds].fd = listenSock1;
    pds[npds].in_flags = PR_POLL_READ;
       npds++;
    pds[npds].fd = listenSock2;
    pds[npds].in_flags = PR_POLL_READ;
       npds++;

       sd = socket(AF_INET, SOCK_STREAM, 0);
       PR_ASSERT(sd >= 0);
       memset((char *) &saddr, 0, sizeof(saddr));
       saddr.sin_family = AF_INET;
       saddr.sin_addr.s_addr = htonl(INADDR_ANY);
       saddr.sin_port = htons(0);

       rv = bind(sd, (struct sockaddr *)&saddr, sizeof(saddr));
       PR_ASSERT(rv == 0);
       saddr_len = sizeof(saddr);
       rv = getsockname(sd, (struct sockaddr *) &saddr, &saddr_len);
       PR_ASSERT(rv == 0);
    listenPort3 = ntohs(saddr.sin_port);

       rv = listen(sd, 5);
       PR_ASSERT(rv == 0);
    pds[npds].fd = socket_poll_fd = PR_CreateSocketPollFd(sd);
       PR_ASSERT(pds[npds].fd);
    pds[npds].in_flags = PR_POLL_READ;
    npds++;
    PR_snprintf(buf, sizeof(buf),
           "The server thread is listening on ports %hu, %hu and %hu\n\n",
           listenPort1, listenPort2, listenPort3);
    printf("%s", buf);

    /* Testing timeout */
    printf("PR_Poll should time out in 5 seconds\n");
    retVal = PR_Poll(pds, npds, PR_SecondsToInterval(5));
    if (retVal != 0) {
       PR_snprintf(buf, sizeof(buf),
              "PR_Poll should time out and return 0, but it returns %ld\n",
              retVal);
       fprintf(stderr, "%s", buf);
       exit(1);
    }
    printf("PR_Poll timed out.  Test passed.\n\n");

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

    pds[npds].fd = badFD;
    pds[npds].in_flags = PR_POLL_READ;
    npds++;
    PR_Close(badFD);  /* make the fd bad */
#if 0
    retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
    if (retVal != 1 || (unsigned short) pds[2].out_flags != PR_POLL_NVAL) {
       fprintf(stderr, "Failed to detect the bad fd: "
              "PR_Poll returns %d, out_flags is 0x%hx\n",
              retVal, pds[npds - 1].out_flags);
       exit(1);
    }
    printf("PR_Poll detected the bad fd.  Test passed.\n\n");
#endif
    npds--;

    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_GLOBAL_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 *) listenPort3,
           PR_PRIORITY_NORMAL, PR_GLOBAL_BOUND_THREAD,
           PR_UNJOINABLE_THREAD, 0);
    if (clientThread == NULL) {
       fprintf(stderr, "can't create thread\n");
       exit(1);
    }


    printf("Three client threads are created.  Each of them will\n");
    printf("send data to one of the three 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");

    /* 30 events total */
    i = 0;
    while (i < 30) {
              PRPollDesc *tmp;
              int nextIndex;
              int nEvents = 0;

              retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
              PR_ASSERT(retVal != 0);  /* no timeout */
              if (retVal == -1) {
                     fprintf(stderr, "PR_Poll failed\n");
                     exit(1);
              }

              nextIndex = 3;
              /* the three listening sockets */
              for (j = 0; j < 3; j++) {
                     other_pds[j] = pds[j];
                     PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
                            && (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
                     if (pds[j].out_flags & PR_POLL_READ) {
                            PRFileDesc *sock;

                            nEvents++;
                            if (j == 2) {
                                   int newsd;
                                   newsd = accept(PR_FileDesc2NativeHandle(pds[j].fd), NULL, 0);
                                   if (newsd == -1) {
                                          fprintf(stderr, "accept() failed\n");
                                          exit(1);
                                   }
                                   other_pds[nextIndex].fd  = PR_CreateSocketPollFd(newsd);
                                   PR_ASSERT(other_pds[nextIndex].fd);
                                   other_pds[nextIndex].in_flags = PR_POLL_READ;
                            } else {
                                   sock = PR_Accept(pds[j].fd, NULL, PR_INTERVAL_NO_TIMEOUT);
                                   if (sock == NULL) {
                                          fprintf(stderr, "PR_Accept() failed\n");
                                          exit(1);
                                   }
                                   other_pds[nextIndex].fd = sock;
                                   other_pds[nextIndex].in_flags = PR_POLL_READ;
                            }
                            nextIndex++;
                     } else if (pds[j].out_flags & PR_POLL_ERR) {
                            fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
                            exit(1);
                     } else if (pds[j].out_flags & PR_POLL_NVAL) {
                            fprintf(stderr, "PR_Poll() indicates that fd %d is invalid\n",
                                   PR_FileDesc2NativeHandle(pds[j].fd));
                            exit(1);
                     }
              }

              for (j = 3; j < npds; j++) {
                     PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
                            && (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
                     if (pds[j].out_flags & PR_POLL_READ) {
                            PRInt32 nBytes;

                            nEvents++;
                            /* XXX: This call is a hack and should be fixed */
                            if (PR_GetDescType(pds[j].fd) == (PRDescType) 0) {
                                   nBytes = recv(PR_FileDesc2NativeHandle(pds[j].fd), buf,
                                                                      sizeof(buf), 0);
                                   if (nBytes == -1) {
                                          fprintf(stderr, "recv() failed\n");
                                          exit(1);
                                   }
                                   printf("Server read %d bytes from native fd %d\n",nBytes,
                                                                      PR_FileDesc2NativeHandle(pds[j].fd));
#ifdef WIN32
                                   closesocket((SOCKET)PR_FileDesc2NativeHandle(pds[j].fd));
#else
                                   close(PR_FileDesc2NativeHandle(pds[j].fd));
#endif
                                   PR_DestroySocketPollFd(pds[j].fd);
                            } else {
                                   nBytes = PR_Read(pds[j].fd, buf, sizeof(buf));
                                   if (nBytes == -1) {
                                          fprintf(stderr, "PR_Read() failed\n");
                                          exit(1);
                                   }
                                   PR_Close(pds[j].fd);
                            }
                            /* Just to be safe */
                            buf[BUF_SIZE - 1] = '\0';
                            printf("The server received \"%s\" from a client\n", buf);
                     } else if (pds[j].out_flags & PR_POLL_ERR) {
                            fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
                            exit(1);
                     } else if (pds[j].out_flags & PR_POLL_NVAL) {
                            fprintf(stderr, "PR_Poll() indicates that an fd is invalid\n");
                            exit(1);
                     } else {
                            other_pds[nextIndex] = pds[j];
                            nextIndex++;
                     }
              }

              PR_ASSERT(retVal == nEvents);
              /* swap */
              tmp = pds;
              pds = other_pds;
              other_pds = tmp;
              npds = nextIndex;
              i += nEvents;
    }
    PR_DestroySocketPollFd(socket_poll_fd);

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

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