示例#1
0
文件: filestat.c 项目: RomiPierre/osx
static void fill_out_finfo(apr_finfo_t *finfo, struct_stat *info,
                           apr_int32_t wanted)
{ 
    finfo->valid = APR_FINFO_MIN | APR_FINFO_IDENT | APR_FINFO_NLINK
                 | APR_FINFO_OWNER | APR_FINFO_PROT;
    finfo->protection = apr_unix_mode2perms(info->st_mode);
    finfo->filetype = filetype_from_mode(info->st_mode);
    finfo->user = info->st_uid;
    finfo->group = info->st_gid;
    finfo->size = info->st_size;
    finfo->device = info->st_dev;
    finfo->nlink = info->st_nlink;

    /* Check for overflow if storing a 64-bit st_ino in a 32-bit
     * apr_ino_t for LFS builds: */
    if (sizeof(apr_ino_t) >= sizeof(info->st_ino)
        || (apr_ino_t)info->st_ino == info->st_ino) {
        finfo->inode = info->st_ino;
    } else {
        finfo->valid &= ~APR_FINFO_INODE;
    }

    apr_time_ansi_put(&finfo->atime, info->st_atime);
#ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
    finfo->atime += info->st_atim.tv_nsec / APR_TIME_C(1000);
#elif defined(HAVE_STRUCT_STAT_ST_ATIMENSEC)
    finfo->atime += info->st_atimensec / APR_TIME_C(1000);
#elif defined(HAVE_STRUCT_STAT_ST_ATIME_N)
    finfo->ctime += info->st_atime_n / APR_TIME_C(1000);
#endif

    apr_time_ansi_put(&finfo->mtime, info->st_mtime);
#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
    finfo->mtime += info->st_mtim.tv_nsec / APR_TIME_C(1000);
#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
    finfo->mtime += info->st_mtimensec / APR_TIME_C(1000);
#elif defined(HAVE_STRUCT_STAT_ST_MTIME_N)
    finfo->ctime += info->st_mtime_n / APR_TIME_C(1000);
#endif

    apr_time_ansi_put(&finfo->ctime, info->st_ctime);
#ifdef HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC
    finfo->ctime += info->st_ctim.tv_nsec / APR_TIME_C(1000);
#elif defined(HAVE_STRUCT_STAT_ST_CTIMENSEC)
    finfo->ctime += info->st_ctimensec / APR_TIME_C(1000);
#elif defined(HAVE_STRUCT_STAT_ST_CTIME_N)
    finfo->ctime += info->st_ctime_n / APR_TIME_C(1000);
#endif

#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
#ifdef DEV_BSIZE
    finfo->csize = (apr_off_t)info->st_blocks * (apr_off_t)DEV_BSIZE;
#else
    finfo->csize = (apr_off_t)info->st_blocks * (apr_off_t)512;
#endif
    finfo->valid |= APR_FINFO_CSIZE;
#endif
}
示例#2
0
static const char *cmd_advertise_f(cmd_parms *cmd, void *dummy,
                                   const char *arg)
{
    apr_time_t s, u = 0;
    const char *p;

    mod_advertise_config *mconf = ap_get_module_config(cmd->server->module_config, &advertise_module);
    if (mconf->ma_advertise_freq != MA_DEFAULT_ADV_FREQ)
        return "Duplicate AdvertiseFrequency directives are not allowed";
    if ((p = ap_strchr_c(arg, '.')) || (p = ap_strchr_c(arg, ',')))
        u = atoi(p + 1);

    s = atoi(arg);
    mconf->ma_advertise_freq = s * APR_USEC_PER_SEC + u * APR_TIME_C(1000);
    if (mconf->ma_advertise_freq == 0)
        return "Invalid AdvertiseFrequency value";

    mconf->ma_advertise_server = cmd->server;
    return NULL;
}
示例#3
0
static void * APR_THREAD_FUNC resource_consuming_thread(apr_thread_t *thd,
                                                        void *data)
{
    int i;
    apr_uint32_t chance;
    void *vp;
    apr_status_t rv;
    my_resource_t *res;
    my_thread_info_t *thread_info = data;
    apr_reslist_t *rl = thread_info->reslist;

#if APR_HAS_RANDOM
    apr_generate_random_bytes((void*)&chance, sizeof(chance));
#else
    chance = (apr_uint32_t)(apr_time_now() % APR_TIME_C(4294967291));
#endif

    for (i = 0; i < CONSUMER_ITERATIONS; i++) {
        rv = apr_reslist_acquire(rl, &vp);
        ABTS_INT_EQUAL(thread_info->tc, APR_SUCCESS, rv);
        res = vp;
        apr_sleep(thread_info->work_delay_sleep);

        /* simulate a 5% chance of the resource being bad */
        chance = lgc(chance);
        if ( chance < PERCENT95th ) {
            rv = apr_reslist_release(rl, res);
            ABTS_INT_EQUAL(thread_info->tc, APR_SUCCESS, rv);
        } else {
            rv = apr_reslist_invalidate(rl, res);
            ABTS_INT_EQUAL(thread_info->tc, APR_SUCCESS, rv);
        }
    }

    return APR_SUCCESS;
}
示例#4
0
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://subversion.tigris.org/.
 * ====================================================================
 */

#include <stdio.h>
#include <string.h>
#include <apr_general.h>
#include "svn_time.h"

#include "../svn_test.h"

/* All these variables should refer to the same point in time. */
apr_time_t test_timestamp = APR_TIME_C(1021316450966679);
const char *test_timestring =
"2002-05-13T19:00:50.966679Z";
const char *test_old_timestring =
"Mon 13 May 2002 22:00:50.966679 (day 133, dst 1, gmt_off 010800)";


static svn_error_t *
test_time_to_cstring(const char **msg,
                     svn_boolean_t msg_only,
                     svn_test_opts_t *opts,
                     apr_pool_t *pool)
{
  const char *timestring;

  *msg = "test svn_time_to_cstring";
示例#5
0
static int
status_report( client_t *client )
{
   int rval, len;
   char buf[4096];

   debug_msg("Stat request...");

   if(! client->valid )
      {
         return 1;
      }

   apr_time_t now = apr_time_now();

   snprintf (buf, sizeof (buf),
       "HTTP/1.0 200 OK\r\n"
       "Server: gmetad/" GANGLIA_VERSION_FULL "\r\n"
       "Content-Type: application/json\r\n"
       "Connection: close\r\n"
       "\r\n"
       "{"
       "\"host\":\"%s\","
       "\"gridname\":\"%s\","
       "\"version\":\"%s\","
       "\"boottime\":%lu,"
       "\"uptime\":%lu,"
       "\"uptimeMillis\":%lu,"
       "\"metrics\":{"
       "\"received\":{"
       "\"all\":%d"
       "},"
       "\"sent\":{"
       "\"all\":%d,"
       "\"rrdtool\":%d,"
       "\"rrdcached\":%d,"
       "\"graphite\":%d,"
       "\"memcached\":%d,"
       "\"riemann\":%d"
       "}}"
       "}\r\n",
       hostname,
       gmetad_config.gridname,
       GANGLIA_VERSION_FULL,
       (long int)(started / APR_TIME_C(1000)), // ms
       (long int)((now - started) / APR_USEC_PER_SEC), // ms
       (long int)((now - started) / APR_TIME_C(1000)), // ms
       ganglia_scoreboard_get("gmetad_metrics_recvd_all"),
       ganglia_scoreboard_get("gmetad_metrics_sent_all"),
       ganglia_scoreboard_get("gmetad_metrics_sent_rrdtool"),
       ganglia_scoreboard_get("gmetad_metrics_sent_rrdcached"),
       ganglia_scoreboard_get("gmetad_metrics_sent_graphite"),
       ganglia_scoreboard_get("gmetad_metrics_sent_memcached"),
       ganglia_scoreboard_get("gmetad_metrics_sent_riemann")
   );

   void *sbi = ganglia_scoreboard_iterator();
   while (sbi) {
      char *name = ganglia_scoreboard_next(&sbi);
      int val = ganglia_scoreboard_get(name);
      debug_msg("%s = %d", name, val);
   }

   len = strlen(buf);

   SYS_CALL( rval, write( client->fd, buf, len));
   if ( rval < 0 && rval != len )
      {
         client->valid = 0;
         return 1;
      }

   return 0;
}
示例#6
0
文件: child.c 项目: Distrotech/httpd
void child_main(apr_pool_t *pconf)
{
    apr_status_t status;
    apr_hash_t *ht;
    ap_listen_rec *lr;
    HANDLE child_events[2];
    HANDLE *child_handles;
    int listener_started = 0;
    int threads_created = 0;
    int watch_thread;
    int time_remains;
    int cld;
    unsigned tid;
    int rv;
    int i;

    apr_pool_create(&pchild, pconf);
    apr_pool_tag(pchild, "pchild");

    ap_run_child_init(pchild, ap_server_conf);
    ht = apr_hash_make(pchild);

    /* Initialize the child_events */
    max_requests_per_child_event = CreateEvent(NULL, TRUE, FALSE, NULL);
    if (!max_requests_per_child_event) {
        ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
                     "Child %lu: Failed to create a max_requests event.", my_pid);
        exit(APEXIT_CHILDINIT);
    }
    child_events[0] = exit_event;
    child_events[1] = max_requests_per_child_event;

    allowed_globals.jobsemaphore = CreateSemaphore(NULL, 0, 1000000, NULL);
    apr_thread_mutex_create(&allowed_globals.jobmutex,
                            APR_THREAD_MUTEX_DEFAULT, pchild);

    /*
     * Wait until we have permission to start accepting connections.
     * start_mutex is used to ensure that only one child ever
     * goes into the listen/accept loop at once.
     */
    status = apr_proc_mutex_lock(start_mutex);
    if (status != APR_SUCCESS) {
        ap_log_error(APLOG_MARK,APLOG_ERR, status, ap_server_conf,
                     "Child %lu: Failed to acquire the start_mutex. Process will exit.", my_pid);
        exit(APEXIT_CHILDINIT);
    }
    ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
                 "Child %lu: Acquired the start mutex.", my_pid);

    /*
     * Create the worker thread dispatch IOCompletionPort
     * on Windows NT/2000
     */
    if (use_acceptex) {
        /* Create the worker thread dispatch IOCP */
        ThreadDispatchIOCP = CreateIoCompletionPort(INVALID_HANDLE_VALUE,
                                                    NULL,
                                                    0,
                                                    0); /* CONCURRENT ACTIVE THREADS */
        apr_thread_mutex_create(&qlock, APR_THREAD_MUTEX_DEFAULT, pchild);
        qwait_event = CreateEvent(NULL, TRUE, FALSE, NULL);
        if (!qwait_event) {
            ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
                         "Child %lu: Failed to create a qwait event.", my_pid);
            exit(APEXIT_CHILDINIT);
        }
    }

    /*
     * Create the pool of worker threads
     */
    ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
                 "Child %lu: Starting %d worker threads.", my_pid, ap_threads_per_child);
    child_handles = (HANDLE) apr_pcalloc(pchild, ap_threads_per_child * sizeof(HANDLE));
    apr_thread_mutex_create(&child_lock, APR_THREAD_MUTEX_DEFAULT, pchild);

    while (1) {
        for (i = 0; i < ap_threads_per_child; i++) {
            int *score_idx;
            int status = ap_scoreboard_image->servers[0][i].status;
            if (status != SERVER_GRACEFUL && status != SERVER_DEAD) {
                continue;
            }
            ap_update_child_status_from_indexes(0, i, SERVER_STARTING, NULL);
            child_handles[i] = (HANDLE) _beginthreadex(NULL, (unsigned)ap_thread_stacksize,
                                                       worker_main, (void *) i, 0, &tid);
            if (child_handles[i] == 0) {
                ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
                             "Child %lu: _beginthreadex failed. Unable to create all worker threads. "
                             "Created %d of the %d threads requested with the ThreadsPerChild configuration directive.",
                             my_pid, threads_created, ap_threads_per_child);
                ap_signal_parent(SIGNAL_PARENT_SHUTDOWN);
                goto shutdown;
            }
            threads_created++;
            /* Save the score board index in ht keyed to the thread handle. We need this
             * when cleaning up threads down below...
             */
            apr_thread_mutex_lock(child_lock);
            score_idx = apr_pcalloc(pchild, sizeof(int));
            *score_idx = i;
            apr_hash_set(ht, &child_handles[i], sizeof(HANDLE), score_idx);
            apr_thread_mutex_unlock(child_lock);
        }
        /* Start the listener only when workers are available */
        if (!listener_started && threads_created) {
            create_listener_thread();
            listener_started = 1;
            winnt_mpm_state = AP_MPMQ_RUNNING;
        }
        if (threads_created == ap_threads_per_child) {
            break;
        }
        /* Check to see if the child has been told to exit */
        if (WaitForSingleObject(exit_event, 0) != WAIT_TIMEOUT) {
            break;
        }
        /* wait for previous generation to clean up an entry in the scoreboard */
        apr_sleep(1 * APR_USEC_PER_SEC);
    }

    /* Wait for one of three events:
     * exit_event:
     *    The exit_event is signaled by the parent process to notify
     *    the child that it is time to exit.
     *
     * max_requests_per_child_event:
     *    This event is signaled by the worker threads to indicate that
     *    the process has handled MaxRequestsPerChild connections.
     *
     * TIMEOUT:
     *    To do periodic maintenance on the server (check for thread exits,
     *    number of completion contexts, etc.)
     *
     * XXX: thread exits *aren't* being checked.
     *
     * XXX: other_child - we need the process handles to the other children
     *      in order to map them to apr_proc_other_child_read (which is not
     *      named well, it's more like a_p_o_c_died.)
     *
     * XXX: however - if we get a_p_o_c handle inheritance working, and
     *      the parent process creates other children and passes the pipes
     *      to our worker processes, then we have no business doing such
     *      things in the child_main loop, but should happen in master_main.
     */
    while (1) {
#if !APR_HAS_OTHER_CHILD
        rv = WaitForMultipleObjects(2, (HANDLE *) child_events, FALSE, INFINITE);
        cld = rv - WAIT_OBJECT_0;
#else
        rv = WaitForMultipleObjects(2, (HANDLE *) child_events, FALSE, 1000);
        cld = rv - WAIT_OBJECT_0;
        if (rv == WAIT_TIMEOUT) {
            apr_proc_other_child_refresh_all(APR_OC_REASON_RUNNING);
        }
        else
#endif
            if (rv == WAIT_FAILED) {
            /* Something serious is wrong */
            ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
                         "Child %lu: WAIT_FAILED -- shutting down server", my_pid);
            break;
        }
        else if (cld == 0) {
            /* Exit event was signaled */
            ap_log_error(APLOG_MARK, APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
                         "Child %lu: Exit event signaled. Child process is ending.", my_pid);
            break;
        }
        else {
            /* MaxRequestsPerChild event set by the worker threads.
             * Signal the parent to restart
             */
            ap_log_error(APLOG_MARK, APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
                         "Child %lu: Process exiting because it reached "
                         "MaxRequestsPerChild. Signaling the parent to "
                         "restart a new child process.", my_pid);
            ap_signal_parent(SIGNAL_PARENT_RESTART);
            break;
        }
    }

    /*
     * Time to shutdown the child process
     */

 shutdown:

    winnt_mpm_state = AP_MPMQ_STOPPING;
    /* Setting is_graceful will cause threads handling keep-alive connections
     * to close the connection after handling the current request.
     */
    is_graceful = 1;

    /* Close the listening sockets. Note, we must close the listeners
     * before closing any accept sockets pending in AcceptEx to prevent
     * memory leaks in the kernel.
     */
    for (lr = ap_listeners; lr ; lr = lr->next) {
        apr_socket_close(lr->sd);
    }

    /* Shutdown listener threads and pending AcceptEx socksts
     * but allow the worker threads to continue consuming from
     * the queue of accepted connections.
     */
    shutdown_in_progress = 1;

    Sleep(1000);

    /* Tell the worker threads to exit */
    workers_may_exit = 1;

    /* Release the start_mutex to let the new process (in the restart
     * scenario) a chance to begin accepting and servicing requests
     */
    rv = apr_proc_mutex_unlock(start_mutex);
    if (rv == APR_SUCCESS) {
        ap_log_error(APLOG_MARK,APLOG_NOTICE, rv, ap_server_conf,
                     "Child %lu: Released the start mutex", my_pid);
    }
    else {
        ap_log_error(APLOG_MARK,APLOG_ERR, rv, ap_server_conf,
                     "Child %lu: Failure releasing the start mutex", my_pid);
    }

    /* Shutdown the worker threads */
    if (!use_acceptex) {
        for (i = 0; i < threads_created; i++) {
            add_job(INVALID_SOCKET);
        }
    }
    else { /* Windows NT/2000 */
        /* Post worker threads blocked on the ThreadDispatch IOCompletion port */
        while (g_blocked_threads > 0) {
            ap_log_error(APLOG_MARK,APLOG_INFO, APR_SUCCESS, ap_server_conf,
                         "Child %lu: %d threads blocked on the completion port", my_pid, g_blocked_threads);
            for (i=g_blocked_threads; i > 0; i--) {
                PostQueuedCompletionStatus(ThreadDispatchIOCP, 0, IOCP_SHUTDOWN, NULL);
            }
            Sleep(1000);
        }
        /* Empty the accept queue of completion contexts */
        apr_thread_mutex_lock(qlock);
        while (qhead) {
            CloseHandle(qhead->Overlapped.hEvent);
            closesocket(qhead->accept_socket);
            qhead = qhead->next;
        }
        apr_thread_mutex_unlock(qlock);
    }

    /* Give busy threads a chance to service their connections,
     * (no more than the global server timeout period which 
     * we track in msec remaining).
     */
    watch_thread = 0;
    time_remains = (int)(ap_server_conf->timeout / APR_TIME_C(1000));

    while (threads_created)
    {
        int nFailsafe = MAXIMUM_WAIT_OBJECTS;
        DWORD dwRet;

        /* Every time we roll over to wait on the first group
         * of MAXIMUM_WAIT_OBJECTS threads, take a breather,
         * and infrequently update the error log.
         */
        if (watch_thread >= threads_created) {
            if ((time_remains -= 100) < 0)
                break;

            /* Every 30 seconds give an update */
            if ((time_remains % 30000) == 0) {
                ap_log_error(APLOG_MARK, APLOG_NOTICE, APR_SUCCESS, 
                             ap_server_conf,
                             "Child %lu: Waiting %d more seconds "
                             "for %d worker threads to finish.", 
                             my_pid, time_remains / 1000, threads_created);
            }
            /* We'll poll from the top, 10 times per second */
            Sleep(100);
            watch_thread = 0;
        }

        /* Fairness, on each iteration we will pick up with the thread
         * after the one we just removed, even if it's a single thread.
         * We don't block here.
         */
        dwRet = WaitForMultipleObjects(min(threads_created - watch_thread,
                                           MAXIMUM_WAIT_OBJECTS),
                                       child_handles + watch_thread, 0, 0);

        if (dwRet == WAIT_FAILED) {
            break;
        }
        if (dwRet == WAIT_TIMEOUT) {
            /* none ready */
            watch_thread += MAXIMUM_WAIT_OBJECTS;
            continue;
        }
        else if (dwRet >= WAIT_ABANDONED_0) {
            /* We just got the ownership of the object, which
             * should happen at most MAXIMUM_WAIT_OBJECTS times.
             * It does NOT mean that the object is signaled.
             */
            if ((nFailsafe--) < 1)
                break;
        }
        else {
            watch_thread += (dwRet - WAIT_OBJECT_0);
            if (watch_thread >= threads_created)
                break;
            cleanup_thread(child_handles, &threads_created, watch_thread);
        }
    }
 
    /* Kill remaining threads off the hard way */
    if (threads_created) {
        ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
                     "Child %lu: Terminating %d threads that failed to exit.",
                     my_pid, threads_created);
    }
    for (i = 0; i < threads_created; i++) {
        int *score_idx;
        TerminateThread(child_handles[i], 1);
        CloseHandle(child_handles[i]);
        /* Reset the scoreboard entry for the thread we just whacked */
        score_idx = apr_hash_get(ht, &child_handles[i], sizeof(HANDLE));
        if (score_idx) {
            ap_update_child_status_from_indexes(0, *score_idx,
                                                SERVER_DEAD, NULL);
        }
    }
    ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
                 "Child %lu: All worker threads have exited.", my_pid);

    CloseHandle(allowed_globals.jobsemaphore);
    apr_thread_mutex_destroy(allowed_globals.jobmutex);
    apr_thread_mutex_destroy(child_lock);

    if (use_acceptex) {
        apr_thread_mutex_destroy(qlock);
        CloseHandle(qwait_event);
    }

    apr_pool_destroy(pchild);
    CloseHandle(exit_event);
}