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ca9bd8eb67
slightly; no functional change. Use AP_DECLARE_MODULE. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1393997 13f79535-47bb-0310-9956-ffa450edef68
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <stdint.h>
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#include <ap_config.h>
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#include "ap_mpm.h"
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#include <http_core.h>
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#include <httpd.h>
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#include <http_log.h>
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#include <apr_version.h>
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#include <apr_pools.h>
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#include <apr_strings.h>
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#include "unixd.h"
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#include "scoreboard.h"
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#include "mpm_common.h"
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#include "systemd/sd-daemon.h"
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#if APR_HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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static int systemd_pre_mpm(apr_pool_t *p, ap_scoreboard_e sb_type)
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{
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int rv;
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ap_extended_status = 1;
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rv = sd_notifyf(0, "READY=1\n"
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"STATUS=Processing requests...\n"
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"MAINPID=%" APR_PID_T_FMT, getpid());
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if (rv < 0) {
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ap_log_perror(APLOG_MARK, APLOG_ERR, 0, p, APLOGNO(02395)
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"sd_notifyf returned an error %d", rv);
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}
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return OK;
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}
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static int systemd_monitor(apr_pool_t *p, server_rec *s)
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{
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ap_sload_t sload;
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apr_interval_time_t up_time;
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char bps[5];
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int rv;
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ap_get_sload(&sload);
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/* up_time in seconds */
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up_time = (apr_uint32_t) apr_time_sec(apr_time_now() -
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ap_scoreboard_image->global->restart_time);
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apr_strfsize((unsigned long)((float) (sload.bytes_served)
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/ (float) up_time), bps);
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rv = sd_notifyf(0, "READY=1\n"
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"STATUS=Total requests: %lu; Idle/Busy workers %d/%d;"
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"Requests/sec: %.3g; Bytes served/sec: %sB/sec\n",
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sload.access_count, sload.idle, sload.busy,
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((float) sload.access_count) / (float) up_time, bps);
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if (rv < 0) {
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ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(02396)
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"sd_notifyf returned an error %d", rv);
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}
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return DECLINED;
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}
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static void systemd_register_hooks(apr_pool_t *p)
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{
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/* We know the PID in this hook ... */
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ap_hook_pre_mpm(systemd_pre_mpm, NULL, NULL, APR_HOOK_LAST);
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/* Used to update httpd's status line using sd_notifyf */
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ap_hook_monitor(systemd_monitor, NULL, NULL, APR_HOOK_MIDDLE);
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}
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AP_DECLARE_MODULE(systemd) = {
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STANDARD20_MODULE_STUFF,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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systemd_register_hooks,
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};
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