httpd/server/scoreboard.c

	scoreboard.c revision 8232302b6fc415a7ef743b65754f7d4240a5a95a
842ae4bd224140319ae7feec1872b93dfd491143fielding/* Licensed to the Apache Software Foundation (ASF) under one or more
842ae4bd224140319ae7feec1872b93dfd491143fielding * contributor license agreements.  See the NOTICE file distributed with
842ae4bd224140319ae7feec1872b93dfd491143fielding * this work for additional information regarding copyright ownership.
842ae4bd224140319ae7feec1872b93dfd491143fielding * The ASF licenses this file to You under the Apache License, Version 2.0
842ae4bd224140319ae7feec1872b93dfd491143fielding * (the "License"); you may not use this file except in compliance with
842ae4bd224140319ae7feec1872b93dfd491143fielding * the License.  You may obtain a copy of the License at
b0fb330a8581c8bfab5e523084f9f39264a52b12gstein *
71da3cca78eea6010f89b139ecadb79e6d213c4fnd *     http://www.apache.org/licenses/LICENSE-2.0
b0fb330a8581c8bfab5e523084f9f39264a52b12gstein *
71da3cca78eea6010f89b139ecadb79e6d213c4fnd * Unless required by applicable law or agreed to in writing, software
71da3cca78eea6010f89b139ecadb79e6d213c4fnd * distributed under the License is distributed on an "AS IS" BASIS,
71da3cca78eea6010f89b139ecadb79e6d213c4fnd * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
71da3cca78eea6010f89b139ecadb79e6d213c4fnd * See the License for the specific language governing permissions and
71da3cca78eea6010f89b139ecadb79e6d213c4fnd * limitations under the License.
b0fb330a8581c8bfab5e523084f9f39264a52b12gstein */
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "apr.h"
b0fb330a8581c8bfab5e523084f9f39264a52b12gstein#include "apr_strings.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "apr_portable.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "apr_lib.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein
1b21d7b3d97def358b2e923655edeb16613a1c31gstein#define APR_WANT_STRFUNC
952023a04a2f9d51553babd9094fb857f1c97548trawick#include "apr_want.h"
1b21d7b3d97def358b2e923655edeb16613a1c31gstein
1b21d7b3d97def358b2e923655edeb16613a1c31gstein#if APR_HAVE_SYS_TYPES_H
1b21d7b3d97def358b2e923655edeb16613a1c31gstein#include <sys/types.h>
1b21d7b3d97def358b2e923655edeb16613a1c31gstein#endif
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "ap_config.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "httpd.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "http_log.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "http_main.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "http_core.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "http_config.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein#include "ap_mpm.h"
99d46a23c6eac800f327b29f8009f7d7da986230trawick
99d46a23c6eac800f327b29f8009f7d7da986230trawick#include "scoreboard.h"
f4c310fd2555c6faca1f980f00b161eadb089023gstein
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm/* we know core's module_index is 0 */
f4c310fd2555c6faca1f980f00b161eadb089023gstein#undef APLOG_MODULE_INDEX
f4c310fd2555c6faca1f980f00b161eadb089023gstein#define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE_DATA scoreboard *ap_scoreboard_image = NULL;
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE_DATA const char *ap_scoreboard_fname = NULL;
f4c310fd2555c6faca1f980f00b161eadb089023gsteinstatic ap_scoreboard_e scoreboard_type;
99d46a23c6eac800f327b29f8009f7d7da986230trawick
f4c310fd2555c6faca1f980f00b161eadb089023gsteinconst char * ap_set_scoreboard(cmd_parms *cmd, void *dummy,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                               const char *arg)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
e8f95a682820a599fe41b22977010636be5c2717jim    if (err != NULL) {
99d46a23c6eac800f327b29f8009f7d7da986230trawick        return err;
99d46a23c6eac800f327b29f8009f7d7da986230trawick    }
5b03ba47ff7225cacb131f14b019332af27da960gstein
5b03ba47ff7225cacb131f14b019332af27da960gstein    ap_scoreboard_fname = arg;
5b03ba47ff7225cacb131f14b019332af27da960gstein    return NULL;
99d46a23c6eac800f327b29f8009f7d7da986230trawick}
5b03ba47ff7225cacb131f14b019332af27da960gstein
5b03ba47ff7225cacb131f14b019332af27da960gstein/* Default to false when mod_status is not loaded */
5b03ba47ff7225cacb131f14b019332af27da960gsteinAP_DECLARE_DATA int ap_extended_status = 0;
5b03ba47ff7225cacb131f14b019332af27da960gstein
5b03ba47ff7225cacb131f14b019332af27da960gsteinconst char *ap_set_extended_status(cmd_parms *cmd, void *dummy, int arg)
5b03ba47ff7225cacb131f14b019332af27da960gstein{
5b03ba47ff7225cacb131f14b019332af27da960gstein    const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
5b03ba47ff7225cacb131f14b019332af27da960gstein    if (err != NULL) {
e8f95a682820a599fe41b22977010636be5c2717jim        return err;
e8f95a682820a599fe41b22977010636be5c2717jim    }
98e9c4a310bb623ff788680f88b6bd200ff36a24wrowe    ap_extended_status = arg;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return NULL;
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE_DATA int ap_mod_status_reqtail = 0;
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinconst char *ap_set_reqtail(cmd_parms *cmd, void *dummy, int arg)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (err != NULL) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return err;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
691db92094897494d6c31326108da20088bc175etrawick    ap_mod_status_reqtail = arg;
691db92094897494d6c31326108da20088bc175etrawick    return NULL;
691db92094897494d6c31326108da20088bc175etrawick}
691db92094897494d6c31326108da20088bc175etrawick
691db92094897494d6c31326108da20088bc175etrawick#if APR_HAS_SHARED_MEMORY
691db92094897494d6c31326108da20088bc175etrawick
691db92094897494d6c31326108da20088bc175etrawick#include "apr_shm.h"
691db92094897494d6c31326108da20088bc175etrawick
691db92094897494d6c31326108da20088bc175etrawick#ifndef WIN32
691db92094897494d6c31326108da20088bc175etrawickstatic /* but must be exported to mpm_winnt */
691db92094897494d6c31326108da20088bc175etrawick#endif
691db92094897494d6c31326108da20088bc175etrawick        apr_shm_t *ap_scoreboard_shm = NULL;
691db92094897494d6c31326108da20088bc175etrawick
691db92094897494d6c31326108da20088bc175etrawick#endif
691db92094897494d6c31326108da20088bc175etrawick
691db92094897494d6c31326108da20088bc175etrawickAPR_HOOK_STRUCT(
691db92094897494d6c31326108da20088bc175etrawick    APR_HOOK_LINK(pre_mpm)
691db92094897494d6c31326108da20088bc175etrawick)
691db92094897494d6c31326108da20088bc175etrawick
691db92094897494d6c31326108da20088bc175etrawickAP_IMPLEMENT_HOOK_RUN_ALL(int,pre_mpm,
691db92094897494d6c31326108da20088bc175etrawick                          (apr_pool_t *p, ap_scoreboard_e sb_type),
691db92094897494d6c31326108da20088bc175etrawick                          (p, sb_type),OK,DECLINED)
691db92094897494d6c31326108da20088bc175etrawick
691db92094897494d6c31326108da20088bc175etrawickstatic APR_OPTIONAL_FN_TYPE(ap_logio_get_last_bytes)
e8f95a682820a599fe41b22977010636be5c2717jim                                *pfn_ap_logio_get_last_bytes;
98e9c4a310bb623ff788680f88b6bd200ff36a24wrowe
f4c310fd2555c6faca1f980f00b161eadb089023gsteinstruct ap_sb_handle_t {
f4c310fd2555c6faca1f980f00b161eadb089023gstein    int child_num;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    int thread_num;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe};
f4c310fd2555c6faca1f980f00b161eadb089023gstein
6f15570e3adc0faf87bf55f70857028276fc9e32wrowestatic int server_limit, thread_limit;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowestatic apr_size_t scoreboard_size;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe/*
f4c310fd2555c6faca1f980f00b161eadb089023gstein * ToDo:
f4c310fd2555c6faca1f980f00b161eadb089023gstein * This function should be renamed to cleanup_shared
f4c310fd2555c6faca1f980f00b161eadb089023gstein * and it should handle cleaning up a scoreboard shared
e8f95a682820a599fe41b22977010636be5c2717jim * between processes using any form of IPC (file, shared memory
98e9c4a310bb623ff788680f88b6bd200ff36a24wrowe * segment, etc.). Leave it as is now because it is being used
f4c310fd2555c6faca1f980f00b161eadb089023gstein * by various MPMs.
f4c310fd2555c6faca1f980f00b161eadb089023gstein */
f4c310fd2555c6faca1f980f00b161eadb089023gsteinstatic apr_status_t ap_cleanup_shared_mem(void *d)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein#if APR_HAS_SHARED_MEMORY
f4c310fd2555c6faca1f980f00b161eadb089023gstein    free(ap_scoreboard_image);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_scoreboard_image = NULL;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    apr_shm_destroy(ap_scoreboard_shm);
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe#endif
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    return APR_SUCCESS;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe}
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE(int) ap_calc_scoreboard_size(void)
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_mpm_query(AP_MPMQ_HARD_LIMIT_THREADS, &thread_limit);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_mpm_query(AP_MPMQ_HARD_LIMIT_DAEMONS, &server_limit);
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    scoreboard_size = sizeof(global_score);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    scoreboard_size += sizeof(process_score) * server_limit;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    scoreboard_size += sizeof(worker_score) * server_limit * thread_limit;
e8f95a682820a599fe41b22977010636be5c2717jim
98e9c4a310bb623ff788680f88b6bd200ff36a24wrowe    pfn_ap_logio_get_last_bytes = APR_RETRIEVE_OPTIONAL_FN(ap_logio_get_last_bytes);
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return scoreboard_size;
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE(void) ap_init_scoreboard(void *shared_score)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
e8f95a682820a599fe41b22977010636be5c2717jim    char *more_storage;
98e9c4a310bb623ff788680f88b6bd200ff36a24wrowe    int i;
f4c310fd2555c6faca1f980f00b161eadb089023gstein
58fd79b56eb624bf011772994e9761d3c2e228c1orlikowski    ap_calc_scoreboard_size();
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_scoreboard_image =
f4c310fd2555c6faca1f980f00b161eadb089023gstein        ap_calloc(1, sizeof(scoreboard) + server_limit * sizeof(worker_score *));
f4c310fd2555c6faca1f980f00b161eadb089023gstein    more_storage = shared_score;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_scoreboard_image->global = (global_score *)more_storage;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    more_storage += sizeof(global_score);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_scoreboard_image->parent = (process_score *)more_storage;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    more_storage += sizeof(process_score) * server_limit;
e8f95a682820a599fe41b22977010636be5c2717jim    ap_scoreboard_image->servers =
98e9c4a310bb623ff788680f88b6bd200ff36a24wrowe        (worker_score **)((char*)ap_scoreboard_image + sizeof(scoreboard));
f4c310fd2555c6faca1f980f00b161eadb089023gstein    for (i = 0; i < server_limit; i++) {
58fd79b56eb624bf011772994e9761d3c2e228c1orlikowski        ap_scoreboard_image->servers[i] = (worker_score *)more_storage;
f4c310fd2555c6faca1f980f00b161eadb089023gstein        more_storage += thread_limit * sizeof(worker_score);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_assert(more_storage == (char*)shared_score + scoreboard_size);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_scoreboard_image->global->server_limit = server_limit;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ap_scoreboard_image->global->thread_limit = thread_limit;
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
e8f95a682820a599fe41b22977010636be5c2717jim
e8f95a682820a599fe41b22977010636be5c2717jim/**
98e9c4a310bb623ff788680f88b6bd200ff36a24wrowe * Create a name-based scoreboard in the given pool using the
f4c310fd2555c6faca1f980f00b161eadb089023gstein * given filename.
f4c310fd2555c6faca1f980f00b161eadb089023gstein */
f4c310fd2555c6faca1f980f00b161eadb089023gsteinstatic apr_status_t create_namebased_scoreboard(apr_pool_t *pool,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                                                const char *fname)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein#if APR_HAS_SHARED_MEMORY
f4c310fd2555c6faca1f980f00b161eadb089023gstein    apr_status_t rv;
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    /* The shared memory file must not exist before we create the
f4c310fd2555c6faca1f980f00b161eadb089023gstein     * segment. */
f4c310fd2555c6faca1f980f00b161eadb089023gstein    apr_shm_remove(fname, pool); /* ignore errors */
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    rv = apr_shm_create(&ap_scoreboard_shm, scoreboard_size, fname, pool);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (rv != APR_SUCCESS) {
0206c121a68a63559b2e843288e81bcf16093e46jerenkrantz        ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(00001)
0206c121a68a63559b2e843288e81bcf16093e46jerenkrantz                     "unable to create or access scoreboard \"%s\" "
0206c121a68a63559b2e843288e81bcf16093e46jerenkrantz                     "(name-based shared memory failure)", fname);
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return rv;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein#endif /* APR_HAS_SHARED_MEMORY */
91644a5f4d3e992dc208304b50e80bbb236fca89trawick    return APR_SUCCESS;
8b99f2a316c5e2fa6ab208206fdd7fc2bfc4a921dougm}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein/* ToDo: This function should be made to handle setting up
f4c310fd2555c6faca1f980f00b161eadb089023gstein * a scoreboard shared between processes using any IPC technique,
f4c310fd2555c6faca1f980f00b161eadb089023gstein * not just a shared memory segment
8b99f2a316c5e2fa6ab208206fdd7fc2bfc4a921dougm */
6f15570e3adc0faf87bf55f70857028276fc9e32wrowestatic apr_status_t open_scoreboard(apr_pool_t *pconf)
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe{
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe#if APR_HAS_SHARED_MEMORY
f4c310fd2555c6faca1f980f00b161eadb089023gstein    apr_status_t rv;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    char *fname = NULL;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    apr_pool_t *global_pool;
48f35e10f195dd594d75738fc536bb885eda537cgstein
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    /* We don't want to have to recreate the scoreboard after
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe     * restarts, so we'll create a global pool and never clean it.
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe     */
f4c310fd2555c6faca1f980f00b161eadb089023gstein    rv = apr_pool_create(&global_pool, NULL);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (rv != APR_SUCCESS) {
48f35e10f195dd594d75738fc536bb885eda537cgstein        ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(00002)
f4c310fd2555c6faca1f980f00b161eadb089023gstein                     "Fatal error: unable to create global pool "
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe                     "for use by the scoreboard");
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        return rv;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    }
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    /* The config says to create a name-based shmem */
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (ap_scoreboard_fname) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        /* make sure it's an absolute pathname */
48f35e10f195dd594d75738fc536bb885eda537cgstein        fname = ap_runtime_dir_relative(pconf, ap_scoreboard_fname);
48f35e10f195dd594d75738fc536bb885eda537cgstein        if (!fname) {
48f35e10f195dd594d75738fc536bb885eda537cgstein            ap_log_error(APLOG_MARK, APLOG_CRIT, APR_EBADPATH, ap_server_conf, APLOGNO(00003)
48f35e10f195dd594d75738fc536bb885eda537cgstein                         "Fatal error: Invalid Scoreboard path %s",
48f35e10f195dd594d75738fc536bb885eda537cgstein                         ap_scoreboard_fname);
48f35e10f195dd594d75738fc536bb885eda537cgstein            return APR_EBADPATH;
48f35e10f195dd594d75738fc536bb885eda537cgstein        }
48f35e10f195dd594d75738fc536bb885eda537cgstein        return create_namebased_scoreboard(global_pool, fname);
48f35e10f195dd594d75738fc536bb885eda537cgstein    }
48f35e10f195dd594d75738fc536bb885eda537cgstein    else { /* config didn't specify, we get to choose shmem type */
48f35e10f195dd594d75738fc536bb885eda537cgstein        rv = apr_shm_create(&ap_scoreboard_shm, scoreboard_size, NULL,
48f35e10f195dd594d75738fc536bb885eda537cgstein                            global_pool); /* anonymous shared memory */
48f35e10f195dd594d75738fc536bb885eda537cgstein        if ((rv != APR_SUCCESS) && (rv != APR_ENOTIMPL)) {
7b6ba9c468f26bdb3492d5e8cb79628a3b04e8c8wrowe            ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(00004)
48f35e10f195dd594d75738fc536bb885eda537cgstein                         "Unable to create or access scoreboard "
48f35e10f195dd594d75738fc536bb885eda537cgstein                         "(anonymous shared memory failure)");
48f35e10f195dd594d75738fc536bb885eda537cgstein            return rv;
24efed0910118b762a4eb84830875d4714b8d315ianh        }
48f35e10f195dd594d75738fc536bb885eda537cgstein        /* Make up a filename and do name-based shmem */
48f35e10f195dd594d75738fc536bb885eda537cgstein        else if (rv == APR_ENOTIMPL) {
48f35e10f195dd594d75738fc536bb885eda537cgstein            /* Make sure it's an absolute pathname */
48f35e10f195dd594d75738fc536bb885eda537cgstein            ap_scoreboard_fname = DEFAULT_SCOREBOARD;
c1b808d160bfb5c849263be8d4acff600853a328trawick            fname = ap_runtime_dir_relative(pconf, ap_scoreboard_fname);
77c2148c53e0a4a20a80af735caa4e0e6bd448e0gstein
77c2148c53e0a4a20a80af735caa4e0e6bd448e0gstein            return create_namebased_scoreboard(global_pool, fname);
77c2148c53e0a4a20a80af735caa4e0e6bd448e0gstein        }
77c2148c53e0a4a20a80af735caa4e0e6bd448e0gstein    }
77c2148c53e0a4a20a80af735caa4e0e6bd448e0gstein#endif /* APR_HAS_SHARED_MEMORY */
48f35e10f195dd594d75738fc536bb885eda537cgstein    return APR_SUCCESS;
48f35e10f195dd594d75738fc536bb885eda537cgstein}
48f35e10f195dd594d75738fc536bb885eda537cgstein
48f35e10f195dd594d75738fc536bb885eda537cgstein/* If detach is non-zero, this is a separate child process,
48f35e10f195dd594d75738fc536bb885eda537cgstein * if zero, it is a forked child.
48f35e10f195dd594d75738fc536bb885eda537cgstein */
48f35e10f195dd594d75738fc536bb885eda537cgsteinAP_DECLARE(apr_status_t) ap_reopen_scoreboard(apr_pool_t *p, apr_shm_t **shm,
48f35e10f195dd594d75738fc536bb885eda537cgstein                                              int detached)
48f35e10f195dd594d75738fc536bb885eda537cgstein{
48f35e10f195dd594d75738fc536bb885eda537cgstein#if APR_HAS_SHARED_MEMORY
48f35e10f195dd594d75738fc536bb885eda537cgstein    if (!detached) {
48f35e10f195dd594d75738fc536bb885eda537cgstein        return APR_SUCCESS;
48f35e10f195dd594d75738fc536bb885eda537cgstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (apr_shm_size_get(ap_scoreboard_shm) < scoreboard_size) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        ap_log_error(APLOG_MARK, APLOG_CRIT, 0, ap_server_conf, APLOGNO(00005)
f4c310fd2555c6faca1f980f00b161eadb089023gstein                     "Fatal error: shared scoreboard too small for child!");
e8f95a682820a599fe41b22977010636be5c2717jim        apr_shm_detach(ap_scoreboard_shm);
f4c310fd2555c6faca1f980f00b161eadb089023gstein        ap_scoreboard_shm = NULL;
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return APR_EINVAL;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    /* everything will be cleared shortly */
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (*shm) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        *shm = ap_scoreboard_shm;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein#endif
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return APR_SUCCESS;
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
48f35e10f195dd594d75738fc536bb885eda537cgstein
48f35e10f195dd594d75738fc536bb885eda537cgsteinapr_status_t ap_cleanup_scoreboard(void *d)
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe{
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    if (ap_scoreboard_image == NULL) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return APR_SUCCESS;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (scoreboard_type == SB_SHARED) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        ap_cleanup_shared_mem(NULL);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
77c2148c53e0a4a20a80af735caa4e0e6bd448e0gstein    else {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        free(ap_scoreboard_image->global);
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        free(ap_scoreboard_image);
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        ap_scoreboard_image = NULL;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    }
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    return APR_SUCCESS;
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
77c2148c53e0a4a20a80af735caa4e0e6bd448e0gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein/* Create or reinit an existing scoreboard. The MPM can control whether
f4c310fd2555c6faca1f980f00b161eadb089023gstein * the scoreboard is shared across multiple processes or not
f4c310fd2555c6faca1f980f00b161eadb089023gstein */
f4c310fd2555c6faca1f980f00b161eadb089023gsteinint ap_create_scoreboard(apr_pool_t *p, ap_scoreboard_e sb_type)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
8b99f2a316c5e2fa6ab208206fdd7fc2bfc4a921dougm    int i;
f4c310fd2555c6faca1f980f00b161eadb089023gstein#if APR_HAS_SHARED_MEMORY
f4c310fd2555c6faca1f980f00b161eadb089023gstein    apr_status_t rv;
f4c310fd2555c6faca1f980f00b161eadb089023gstein#endif
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    pfn_ap_logio_get_last_bytes = APR_RETRIEVE_OPTIONAL_FN(ap_logio_get_last_bytes);
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f958dac1550254a59b45f4655138bb34dad5e76egstein    if (ap_scoreboard_image) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        ap_scoreboard_image->global->restart_time = apr_time_now();
f4c310fd2555c6faca1f980f00b161eadb089023gstein        memset(ap_scoreboard_image->parent, 0,
f4c310fd2555c6faca1f980f00b161eadb089023gstein               sizeof(process_score) * server_limit);
f4c310fd2555c6faca1f980f00b161eadb089023gstein        for (i = 0; i < server_limit; i++) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein            memset(ap_scoreboard_image->servers[i], 0,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                   sizeof(worker_score) * thread_limit);
f4c310fd2555c6faca1f980f00b161eadb089023gstein        }
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return OK;
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein
0206c121a68a63559b2e843288e81bcf16093e46jerenkrantz    ap_calc_scoreboard_size();
0206c121a68a63559b2e843288e81bcf16093e46jerenkrantz#if APR_HAS_SHARED_MEMORY
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (sb_type == SB_SHARED) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        void *sb_shared;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        rv = open_scoreboard(p);
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        if (rv || !(sb_shared = apr_shm_baseaddr_get(ap_scoreboard_shm))) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein            return HTTP_INTERNAL_SERVER_ERROR;
f4c310fd2555c6faca1f980f00b161eadb089023gstein        }
f4c310fd2555c6faca1f980f00b161eadb089023gstein        memset(sb_shared, 0, scoreboard_size);
e8f95a682820a599fe41b22977010636be5c2717jim        ap_init_scoreboard(sb_shared);
0206c121a68a63559b2e843288e81bcf16093e46jerenkrantz    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    else
0946f90438dcf29a5fe5d9e21559b3b9d640bc12wrowe#endif
f4c310fd2555c6faca1f980f00b161eadb089023gstein    {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        /* A simple malloc will suffice */
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        void *sb_mem = ap_calloc(1, scoreboard_size);
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        ap_init_scoreboard(sb_mem);
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    scoreboard_type = sb_type;
f39230a531b23d94f86a087963299bbe2e431a4agstein    ap_scoreboard_image->global->running_generation = 0;
0946f90438dcf29a5fe5d9e21559b3b9d640bc12wrowe    ap_scoreboard_image->global->restart_time = apr_time_now();
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agstein    apr_pool_cleanup_register(p, NULL, ap_cleanup_scoreboard, apr_pool_cleanup_null);
f39230a531b23d94f86a087963299bbe2e431a4agstein
0946f90438dcf29a5fe5d9e21559b3b9d640bc12wrowe    return OK;
0946f90438dcf29a5fe5d9e21559b3b9d640bc12wrowe}
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agstein/* Routines called to deal with the scoreboard image
f39230a531b23d94f86a087963299bbe2e431a4agstein * --- note that we do *not* need write locks, since update_child_status
1e2133fe37e6cbcd683233057ef62236bc8e5826trawick * only updates a *single* record in place, and only one process writes to
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein * a given scoreboard slot at a time (either the child process owning that
f39230a531b23d94f86a087963299bbe2e431a4agstein * slot, or the parent, noting that the child has died).
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein *
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein * As a final note --- setting the score entry to getpid() is always safe,
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein * since when the parent is writing an entry, it's only noting SERVER_DEAD
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein * anyway.
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein */
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agsteinAP_DECLARE(int) ap_exists_scoreboard_image(void)
f39230a531b23d94f86a087963299bbe2e431a4agstein{
f39230a531b23d94f86a087963299bbe2e431a4agstein    return (ap_scoreboard_image ? 1 : 0);
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein}
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gsteinAP_DECLARE(void) ap_increment_counts(ap_sb_handle_t *sb, request_rec *r)
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein{
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    worker_score *ws;
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    apr_off_t bytes;
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    if (!sb)
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein        return;
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    ws = &ap_scoreboard_image->servers[sb->child_num][sb->thread_num];
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    if (pfn_ap_logio_get_last_bytes != NULL) {
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein        bytes = pfn_ap_logio_get_last_bytes(r->connection);
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    }
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    else if (r->method_number == M_GET && r->method[0] == 'H') {
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein        bytes = 0;
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    }
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein    else {
f39230a531b23d94f86a087963299bbe2e431a4agstein        bytes = r->bytes_sent;
f39230a531b23d94f86a087963299bbe2e431a4agstein    }
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agstein#ifdef HAVE_TIMES
f39230a531b23d94f86a087963299bbe2e431a4agstein    times(&ws->times);
f39230a531b23d94f86a087963299bbe2e431a4agstein#endif
f39230a531b23d94f86a087963299bbe2e431a4agstein    ws->access_count++;
f39230a531b23d94f86a087963299bbe2e431a4agstein    ws->my_access_count++;
f39230a531b23d94f86a087963299bbe2e431a4agstein    ws->conn_count++;
f39230a531b23d94f86a087963299bbe2e431a4agstein    ws->bytes_served += bytes;
f39230a531b23d94f86a087963299bbe2e431a4agstein    ws->my_bytes_served += bytes;
f39230a531b23d94f86a087963299bbe2e431a4agstein    ws->conn_bytes += bytes;
f39230a531b23d94f86a087963299bbe2e431a4agstein}
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agsteinAP_DECLARE(int) ap_find_child_by_pid(apr_proc_t *pid)
f39230a531b23d94f86a087963299bbe2e431a4agstein{
f39230a531b23d94f86a087963299bbe2e431a4agstein    int i;
f39230a531b23d94f86a087963299bbe2e431a4agstein    int max_daemons_limit;
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agstein    ap_mpm_query(AP_MPMQ_MAX_DAEMONS, &max_daemons_limit);
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agstein    for (i = 0; i < max_daemons_limit; ++i) {
ab78b55c6dc4431d2c68d6bb4d169ba1554290a8gstein        if (ap_scoreboard_image->parent[i].pid == pid->pid) {
f39230a531b23d94f86a087963299bbe2e431a4agstein            return i;
f39230a531b23d94f86a087963299bbe2e431a4agstein        }
f39230a531b23d94f86a087963299bbe2e431a4agstein    }
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agstein    return -1;
f39230a531b23d94f86a087963299bbe2e431a4agstein}
f39230a531b23d94f86a087963299bbe2e431a4agstein
f39230a531b23d94f86a087963299bbe2e431a4agsteinAP_DECLARE(void) ap_create_sb_handle(ap_sb_handle_t **new_sbh, apr_pool_t *p,
f39230a531b23d94f86a087963299bbe2e431a4agstein                                     int child_num, int thread_num)
f39230a531b23d94f86a087963299bbe2e431a4agstein{
f39230a531b23d94f86a087963299bbe2e431a4agstein    *new_sbh = (ap_sb_handle_t *)apr_palloc(p, sizeof(ap_sb_handle_t));
f39230a531b23d94f86a087963299bbe2e431a4agstein    (*new_sbh)->child_num = child_num;
f39230a531b23d94f86a087963299bbe2e431a4agstein    (*new_sbh)->thread_num = thread_num;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein}
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gsteinstatic void copy_request(char *rbuf, apr_size_t rbuflen, request_rec *r)
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein{
6810bf1570bed88d16239b27ce47d48408bb2e51gstein    char *p;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    if (r->the_request == NULL) {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        apr_cpystrn(rbuf, "NULL", rbuflen);
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        return; /* short circuit below */
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    if (r->parsed_uri.password == NULL) {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        p = r->the_request;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    else {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        /* Don't reveal the password in the server-status view */
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        p = apr_pstrcat(r->pool, r->method, " ",
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein                        apr_uri_unparse(r->pool, &r->parsed_uri,
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein                        APR_URI_UNP_OMITPASSWORD),
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein                        r->assbackwards ? NULL : " ", r->protocol, NULL);
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    /* now figure out if we copy over the 1st rbuflen chars or the last */
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    if (!ap_mod_status_reqtail) {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        apr_cpystrn(rbuf, p, rbuflen);
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    else {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        apr_size_t slen = strlen(p);
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        if (slen < rbuflen) {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein            /* it all fits anyway */
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein            apr_cpystrn(rbuf, p, rbuflen);
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        else {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein            apr_cpystrn(rbuf, p+(slen-rbuflen+1), rbuflen);
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein}
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gsteinstatic int update_child_status_internal(int child_num,
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein                                        int thread_num,
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein                                        int status,
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein                                        conn_rec *c,
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein                                        request_rec *r)
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein{
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    int old_status;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    worker_score *ws;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    process_score *ps;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    int mpm_generation;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    ws = &ap_scoreboard_image->servers[child_num][thread_num];
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    old_status = ws->status;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    ws->status = status;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    ps = &ap_scoreboard_image->parent[child_num];
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    if (status == SERVER_READY
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        && old_status == SERVER_STARTING) {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        ws->thread_num = child_num * thread_limit + thread_num;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        ap_mpm_query(AP_MPMQ_GENERATION, &mpm_generation);
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        ps->generation = mpm_generation;
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein    }
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein
0946f90438dcf29a5fe5d9e21559b3b9d640bc12wrowe    if (ap_extended_status) {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        ws->last_used = apr_time_now();
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein        if (status == SERVER_READY || status == SERVER_DEAD) {
b5989e567e4fac5b3ab1252024ae19b0a54893a7gstein            /*
f4c310fd2555c6faca1f980f00b161eadb089023gstein             * Reset individual counters
f4c310fd2555c6faca1f980f00b161eadb089023gstein             */
f4c310fd2555c6faca1f980f00b161eadb089023gstein            if (status == SERVER_DEAD) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein                ws->my_access_count = 0L;
f4c310fd2555c6faca1f980f00b161eadb089023gstein                ws->my_bytes_served = 0L;
f4c310fd2555c6faca1f980f00b161eadb089023gstein            }
f4c310fd2555c6faca1f980f00b161eadb089023gstein            ws->conn_count = 0;
f4c310fd2555c6faca1f980f00b161eadb089023gstein            ws->conn_bytes = 0;
f4c310fd2555c6faca1f980f00b161eadb089023gstein        }
f4c310fd2555c6faca1f980f00b161eadb089023gstein        if (r) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein            apr_cpystrn(ws->client, ap_get_remote_host(c, r->per_dir_config,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                        REMOTE_NOLOOKUP, NULL), sizeof(ws->client));
f4c310fd2555c6faca1f980f00b161eadb089023gstein            copy_request(ws->request, sizeof(ws->request), r);
f4c310fd2555c6faca1f980f00b161eadb089023gstein            if (r->server) {
0206c121a68a63559b2e843288e81bcf16093e46jerenkrantz                apr_snprintf(ws->vhost, sizeof(ws->vhost), "%s:%d",
f4c310fd2555c6faca1f980f00b161eadb089023gstein                             r->server->server_hostname,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                             r->connection->local_addr->port);
f4c310fd2555c6faca1f980f00b161eadb089023gstein            }
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm        }
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm        else if (c) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein            apr_cpystrn(ws->client, ap_get_remote_host(c, NULL,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                        REMOTE_NOLOOKUP, NULL), sizeof(ws->client));
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe            ws->request[0]='\0';
f4c310fd2555c6faca1f980f00b161eadb089023gstein            ws->vhost[0]='\0';
f4c310fd2555c6faca1f980f00b161eadb089023gstein        }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return old_status;
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe
6f15570e3adc0faf87bf55f70857028276fc9e32wroweAP_DECLARE(int) ap_update_child_status_from_indexes(int child_num,
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe                                                    int thread_num,
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe                                                    int status,
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe                                                    request_rec *r)
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe{
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    if (child_num < 0) {
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        return -1;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    }
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    return update_child_status_internal(child_num, thread_num, status,
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe                                        r ? r->connection : NULL,
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe                                        r);
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE(int) ap_update_child_status(ap_sb_handle_t *sbh, int status,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                                      request_rec *r)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (!sbh)
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return -1;
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return update_child_status_internal(sbh->child_num, sbh->thread_num,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                                        status,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                                        r ? r->connection : NULL,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                                        r);
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm
6f15570e3adc0faf87bf55f70857028276fc9e32wroweAP_DECLARE(int) ap_update_child_status_from_conn(ap_sb_handle_t *sbh, int status,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                                       conn_rec *c)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (!sbh)
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm        return -1;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return update_child_status_internal(sbh->child_num, sbh->thread_num,
f4c310fd2555c6faca1f980f00b161eadb089023gstein                                        status, c, NULL);
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE(void) ap_time_process_request(ap_sb_handle_t *sbh, int status)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    worker_score *ws;
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if (!sbh)
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return;
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    if (sbh->child_num < 0) {
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        return;
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    ws = &ap_scoreboard_image->servers[sbh->child_num][sbh->thread_num];
f4c310fd2555c6faca1f980f00b161eadb089023gstein
1ccd992d37d62c8cb2056126f2234f64ec189bfddougm    if (status == START_PREQUEST) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        ws->start_time = apr_time_now();
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    else if (status == STOP_PREQUEST) {
e8f95a682820a599fe41b22977010636be5c2717jim        ws->stop_time = apr_time_now();
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
6f15570e3adc0faf87bf55f70857028276fc9e32wroweAP_DECLARE(worker_score *) ap_get_scoreboard_worker_from_indexes(int x, int y)
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe{
42f2b4b0e9b84dfd8acbb9c0da18a07c664e30a1jorton    if (((x < 0) || (x >= server_limit)) ||
42f2b4b0e9b84dfd8acbb9c0da18a07c664e30a1jorton        ((y < 0) || (y >= thread_limit))) {
42f2b4b0e9b84dfd8acbb9c0da18a07c664e30a1jorton        return(NULL); /* Out of range */
5a8f3bcf803321e69b226d3b98314305a68a586cjerenkrantz    }
42f2b4b0e9b84dfd8acbb9c0da18a07c664e30a1jorton    return &ap_scoreboard_image->servers[x][y];
5a8f3bcf803321e69b226d3b98314305a68a586cjerenkrantz}
5a8f3bcf803321e69b226d3b98314305a68a586cjerenkrantz
5a8f3bcf803321e69b226d3b98314305a68a586cjerenkrantzAP_DECLARE(worker_score *) ap_get_scoreboard_worker(ap_sb_handle_t *sbh)
5a8f3bcf803321e69b226d3b98314305a68a586cjerenkrantz{
5a8f3bcf803321e69b226d3b98314305a68a586cjerenkrantz    if (!sbh)
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe        return NULL;
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return ap_get_scoreboard_worker_from_indexes(sbh->child_num,
6f15570e3adc0faf87bf55f70857028276fc9e32wrowe                                                 sbh->thread_num);
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE(process_score *) ap_get_scoreboard_process(int x)
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    if ((x < 0) || (x >= server_limit)) {
f4c310fd2555c6faca1f980f00b161eadb089023gstein        return(NULL); /* Out of range */
f4c310fd2555c6faca1f980f00b161eadb089023gstein    }
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return &ap_scoreboard_image->parent[x];
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
f4c310fd2555c6faca1f980f00b161eadb089023gstein
f4c310fd2555c6faca1f980f00b161eadb089023gsteinAP_DECLARE(global_score *) ap_get_scoreboard_global()
f4c310fd2555c6faca1f980f00b161eadb089023gstein{
f4c310fd2555c6faca1f980f00b161eadb089023gstein    return ap_scoreboard_image->global;
f4c310fd2555c6faca1f980f00b161eadb089023gstein}
f4c310fd2555c6faca1f980f00b161eadb089023gstein