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Diffstat (limited to 'nsprpub/pr/tests/prselect.c')
| -rw-r--r-- | nsprpub/pr/tests/prselect.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/prselect.c b/nsprpub/pr/tests/prselect.c new file mode 100644 index 000000000..15aa85580 --- /dev/null +++ b/nsprpub/pr/tests/prselect.c @@ -0,0 +1,340 @@ +/* -*- 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/. */ + +/*********************************************************************** +** 1997 - Netscape Communications Corporation +** +** Name: prselect_err.c +** +** Description: tests PR_Select with sockets Error condition functions. +** +** Modification History: +** 14-May-97 AGarcia- Converted the test to accomodate the debug_mode flag. +** The debug mode will print all of the printfs associated with this test. +** The regress mode will be the default mode. Since the regress tool limits +** the output to a one line status:PASS or FAIL,all of the printf statements +** have been handled with an if (debug_mode) statement. +***********************************************************************/ + +/*********************************************************************** +** Includes +***********************************************************************/ +/* Used to get the command line option */ +#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> + +/*********************************************************************** +** PRIVATE FUNCTION: Test_Result +** DESCRIPTION: Used in conjunction with the regress tool, prints out the +** status of the test case. +** INPUTS: PASS/FAIL +** OUTPUTS: None +** RETURN: None +** SIDE EFFECTS: +** +** RESTRICTIONS: +** None +** MEMORY: NA +** ALGORITHM: Determine what the status is and print accordingly. +** +***********************************************************************/ + + +static Test_Result (int result) +{ + if (result == PASS) + printf ("PASS\n"); + else + printf ("FAIL\n"); +} + +static void +clientThreadFunc(void *arg) +{ + 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); + } +} + +int main(int argc, char **argv) +{ + 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; +} |