Esempio n. 1
0
/*--------------------------------------------------------------------------*/
static void wd_child_init_hook(apr_pool_t *p, server_rec *s)
{
    apr_status_t rv;
    const apr_array_header_t *wl;

    if (!wd_server_conf->child_workers) {
        /* We don't have anything configured, bail out.
         */
        return;
    }
    if ((wl = ap_list_provider_names(p, AP_WATCHDOG_PGROUP,
                                        AP_WATCHDOG_CVERSION))) {
        const ap_list_provider_names_t *wn;
        int i;
        wn = (ap_list_provider_names_t *)wl->elts;
        for (i = 0; i < wl->nelts; i++) {
            ap_watchdog_t *w = ap_lookup_provider(AP_WATCHDOG_PGROUP,
                                                  wn[i].provider_name,
                                                  AP_WATCHDOG_CVERSION);
            if (w && w->active) {
                /* We have some callbacks registered.
                 * Kick of the watchdog
                 */
                if ((rv = wd_startup(w, wd_server_conf->pool)) != APR_SUCCESS) {
                    ap_log_error(APLOG_MARK, APLOG_CRIT, rv, s, APLOGNO(01573)
                                 "Watchdog: Failed to create worker thread.");
                    /* No point to continue */
                    return;
                }
            }
        }
    }
}
Esempio n. 2
0
int ml_list_provider(lua_State*L)
{
  const request_rec* r = CHECK_REQUEST_OBJECT(1);
  const char*group = luaL_checkstring(L, 2);
  const char*version = luaL_optstring(L, 3, "0");
  apr_array_header_t* arr = ap_list_provider_names(r->pool, group, version);

  lua_pushstring(L, apr_array_pstrcat(r->pool, arr, ','));
  return 1;
}
/*--------------------------------------------------------------------------*/
static int wd_post_config_hook(apr_pool_t *pconf, apr_pool_t *plog,
                               apr_pool_t *ptemp, server_rec *s)
{
    apr_status_t rv;
    const char *pk = "watchdog_init_module_tag";
    apr_pool_t *pproc = s->process->pool;
    const apr_array_header_t *wl;

    if (ap_state_query(AP_SQ_MAIN_STATE) == AP_SQ_MS_CREATE_PRE_CONFIG)
        /* First time config phase -- skip. */
        return OK;

    apr_pool_userdata_get((void *)&wd_server_conf, pk, pproc);
    if (!wd_server_conf) {
        if (!(wd_server_conf = apr_pcalloc(pproc, sizeof(wd_server_conf_t))))
            return APR_ENOMEM;
        apr_pool_create(&wd_server_conf->pool, pproc);
        apr_pool_userdata_set(wd_server_conf, pk, apr_pool_cleanup_null, pproc);
    }
    wd_server_conf->s = s;
    if ((wl = ap_list_provider_names(pconf, AP_WATCHDOG_PGROUP,
                                            AP_WATCHDOG_PVERSION))) {
        const ap_list_provider_names_t *wn;
        int i;

        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02974)
                "Watchdog: found parent providers.");

        wn = (ap_list_provider_names_t *)wl->elts;
        for (i = 0; i < wl->nelts; i++) {
            ap_watchdog_t *w = ap_lookup_provider(AP_WATCHDOG_PGROUP,
                                                  wn[i].provider_name,
                                                  AP_WATCHDOG_PVERSION);
            ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02975)
                    "Watchdog: Looking for parent (%s).", wn[i].provider_name);
            if (w) {
                if (!w->active) {
                    int status = ap_run_watchdog_need(s, w->name, 1,
                                                      w->singleton);
                    if (status == OK) {
                        /* One of the modules returned OK to this watchog.
                         * Mark it as active
                         */
                        w->active = 1;
                    }
                }
                if (w->active) {
                    /* We have active watchdog.
                     * Create the watchdog thread
                     */
                    if ((rv = wd_startup(w, wd_server_conf->pool)) != APR_SUCCESS) {
                        ap_log_error(APLOG_MARK, APLOG_CRIT, rv, s, APLOGNO(01571)
                                "Watchdog: Failed to create parent worker thread.");
                        return rv;
                    }
                    ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s, APLOGNO(02976)
                            "Watchdog: Created parent worker thread (%s).", w->name);
                    wd_server_conf->parent_workers++;
                }
            }
        }
    }
    if (wd_server_conf->parent_workers) {
        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(01572)
                     "Spawned %d parent worker threads.",
                     wd_server_conf->parent_workers);
    }
    if ((wl = ap_list_provider_names(pconf, AP_WATCHDOG_PGROUP,
                                            AP_WATCHDOG_CVERSION))) {
        const ap_list_provider_names_t *wn;
        int i;
        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02977)
                "Watchdog: found child providers.");

        wn = (ap_list_provider_names_t *)wl->elts;
        for (i = 0; i < wl->nelts; i++) {
            ap_watchdog_t *w = ap_lookup_provider(AP_WATCHDOG_PGROUP,
                                                  wn[i].provider_name,
                                                  AP_WATCHDOG_CVERSION);
            ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02978)
                    "Watchdog: Looking for child (%s).", wn[i].provider_name);
            if (w) {
                if (!w->active) {
                    int status = ap_run_watchdog_need(s, w->name, 0,
                                                      w->singleton);
                    if (status == OK) {
                        /* One of the modules returned OK to this watchog.
                         * Mark it as active
                         */
                        w->active = 1;
                    }
                }
                if (w->active) {
                    /* We have some callbacks registered.
                     * Create mutexes for singleton watchdogs
                     */
                    if (w->singleton) {
                        rv = ap_proc_mutex_create(&w->mutex, NULL, wd_proc_mutex_type,
                                                  w->name, s,
                                                  wd_server_conf->pool, 0);
                        if (rv != APR_SUCCESS) {
                            return rv;
                        }
                    }
                    ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s, APLOGNO(02979)
                            "Watchdog: Created child worker thread (%s).", w->name);
                    wd_server_conf->child_workers++;
                }
            }
        }
    }
    return OK;
}
Esempio n. 4
0
static dav_prop_insert dav_core_insert_prop(const dav_resource *resource,
                                            int propid, dav_prop_insert what,
                                            apr_text_header *phdr)
{
    const char *value = NULL;
    const char *s;
    apr_pool_t *p = resource->pool;
    const dav_liveprop_spec *info;
    long global_ns;

    switch (propid)
    {
    case DAV_PROPID_resourcetype:
        { /* additional type info provided by external modules ? */
            int i;

            apr_array_header_t *extensions =
                ap_list_provider_names(p, DAV_RESOURCE_TYPE_GROUP, "0");
            ap_list_provider_names_t *entry =
                (ap_list_provider_names_t *)extensions->elts;

            for (i = 0; i < extensions->nelts; i++, entry++) {
                const dav_resource_type_provider *res_hooks =
                    dav_get_resource_type_providers(entry->provider_name);
                const char *name = NULL, *uri = NULL;

                if (!res_hooks || !res_hooks->get_resource_type)
                    continue;

                if (!res_hooks->get_resource_type(resource, &name, &uri) &&
            name) {

                    if (!uri || !strcasecmp(uri, "DAV:"))
                        value = apr_pstrcat(p, value ? value : "",
                        "<D:", name, "/>", NULL);
            else
                        value = apr_pstrcat(p, value ? value : "",
                        "<x:", name,
                        " xmlns:x=\"", uri,
                        "\"/>", NULL);
                }
        }
        }
        switch (resource->type) {
        case DAV_RESOURCE_TYPE_VERSION:
            if (resource->baselined) {
                value = apr_pstrcat(p, value ? value : "", "<D:baseline/>", NULL);
                break;
            }
            /* fall through */
        case DAV_RESOURCE_TYPE_REGULAR:
        case DAV_RESOURCE_TYPE_WORKING:
            if (resource->collection) {
                value = apr_pstrcat(p, value ? value : "", "<D:collection/>", NULL);
            }
            else {
                /* ### should we denote lock-null resources? */
                if (value == NULL) {
                value = "";        /* becomes: <D:resourcetype/> */
            }
            }
            break;
        case DAV_RESOURCE_TYPE_HISTORY:
            value = apr_pstrcat(p, value ? value : "", "<D:version-history/>", NULL);
            break;
        case DAV_RESOURCE_TYPE_WORKSPACE:
            value = apr_pstrcat(p, value ? value : "", "<D:collection/>", NULL);
            break;
        case DAV_RESOURCE_TYPE_ACTIVITY:
            value = apr_pstrcat(p, value ? value : "", "<D:activity/>", NULL);
            break;

        default:
            /* ### bad juju */
            return DAV_PROP_INSERT_NOTDEF;
        }
        break;

    case DAV_PROPID_comment:
    case DAV_PROPID_creator_displayname:
    case DAV_PROPID_displayname:
    case DAV_PROPID_source:
    default:
        /*
        ** This property is known, but not defined as a liveprop. However,
        ** it may be a dead property.
        */
        return DAV_PROP_INSERT_NOTDEF;
    }

    /* assert: value != NULL */

    /* get the information and global NS index for the property */
    global_ns = dav_get_liveprop_info(propid, &dav_core_liveprop_group, &info);

    /* assert: info != NULL && info->name != NULL */

    if (what == DAV_PROP_INSERT_SUPPORTED) {
        s = apr_psprintf(p,
                         "<D:supported-live-property D:name=\"%s\" "
                         "D:namespace=\"%s\"/>" DEBUG_CR,
                         info->name, dav_core_namespace_uris[info->ns]);
    }
    else if (what == DAV_PROP_INSERT_VALUE && *value != '\0') {
        s = apr_psprintf(p, "<lp%ld:%s>%s</lp%ld:%s>" DEBUG_CR,
                         global_ns, info->name, value, global_ns, info->name);
    }
    else {
        s = apr_psprintf(p, "<lp%ld:%s/>" DEBUG_CR, global_ns, info->name);
    }
    apr_text_append(p, phdr, s);

    /* we inserted what was asked for */
    return what;
}