-/* Copyright 2001-2006 The Apache Software Foundation or its licensors, as
- * applicable.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
#include "http_main.h"
#include "http_core.h"
#include "http_config.h"
+#include "http_protocol.h"
#include "ap_mpm.h"
-#include "mpm.h"
#include "scoreboard.h"
+/* we know core's module_index is 0 */
+#undef APLOG_MODULE_INDEX
+#define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX
+
AP_DECLARE_DATA scoreboard *ap_scoreboard_image = NULL;
AP_DECLARE_DATA const char *ap_scoreboard_fname = NULL;
+static ap_scoreboard_e scoreboard_type;
+
+const char * ap_set_scoreboard(cmd_parms *cmd, void *dummy,
+ const char *arg)
+{
+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
+ if (err != NULL) {
+ return err;
+ }
+
+ ap_scoreboard_fname = arg;
+ return NULL;
+}
+
+/* Default to false when mod_status is not loaded */
AP_DECLARE_DATA int ap_extended_status = 0;
+const char *ap_set_extended_status(cmd_parms *cmd, void *dummy, int arg)
+{
+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
+ if (err != NULL) {
+ return err;
+ }
+ ap_extended_status = arg;
+ return NULL;
+}
+
+AP_DECLARE_DATA int ap_mod_status_reqtail = 0;
+
+const char *ap_set_reqtail(cmd_parms *cmd, void *dummy, int arg)
+{
+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
+ if (err != NULL) {
+ return err;
+ }
+ ap_mod_status_reqtail = arg;
+ return NULL;
+}
+
#if APR_HAS_SHARED_MEMORY
#include "apr_shm.h"
(apr_pool_t *p, ap_scoreboard_e sb_type),
(p, sb_type),OK,DECLINED)
-static APR_OPTIONAL_FN_TYPE(ap_proxy_lb_workers)
- *proxy_lb_workers;
+static APR_OPTIONAL_FN_TYPE(ap_logio_get_last_bytes)
+ *pfn_ap_logio_get_last_bytes;
struct ap_sb_handle_t {
int child_num;
int thread_num;
};
-static int server_limit, thread_limit, lb_limit;
+static int server_limit, thread_limit;
static apr_size_t scoreboard_size;
/*
return APR_SUCCESS;
}
+#define SIZE_OF_scoreboard APR_ALIGN_DEFAULT(sizeof(scoreboard))
+#define SIZE_OF_global_score APR_ALIGN_DEFAULT(sizeof(global_score))
+#define SIZE_OF_process_score APR_ALIGN_DEFAULT(sizeof(process_score))
+#define SIZE_OF_worker_score APR_ALIGN_DEFAULT(sizeof(worker_score))
+
AP_DECLARE(int) ap_calc_scoreboard_size(void)
{
ap_mpm_query(AP_MPMQ_HARD_LIMIT_THREADS, &thread_limit);
ap_mpm_query(AP_MPMQ_HARD_LIMIT_DAEMONS, &server_limit);
- if (!proxy_lb_workers)
- proxy_lb_workers = APR_RETRIEVE_OPTIONAL_FN(ap_proxy_lb_workers);
- if (proxy_lb_workers)
- lb_limit = proxy_lb_workers();
- else
- lb_limit = 0;
-
- scoreboard_size = sizeof(global_score);
- scoreboard_size += sizeof(process_score) * server_limit;
- scoreboard_size += sizeof(worker_score) * server_limit * thread_limit;
- if (lb_limit)
- scoreboard_size += sizeof(lb_score) * lb_limit;
+ scoreboard_size = SIZE_OF_global_score;
+ scoreboard_size += SIZE_OF_process_score * server_limit;
+ scoreboard_size += SIZE_OF_worker_score * server_limit * thread_limit;
return scoreboard_size;
}
-void ap_init_scoreboard(void *shared_score)
+AP_DECLARE(void) ap_init_scoreboard(void *shared_score)
{
char *more_storage;
int i;
+ pfn_ap_logio_get_last_bytes = APR_RETRIEVE_OPTIONAL_FN(ap_logio_get_last_bytes);
+ if (!shared_score) {
+ return;
+ }
+
ap_calc_scoreboard_size();
ap_scoreboard_image =
- calloc(1, sizeof(scoreboard) + server_limit * sizeof(worker_score *) +
- server_limit * lb_limit * sizeof(lb_score *));
+ ap_calloc(1, SIZE_OF_scoreboard + server_limit * sizeof(worker_score *));
more_storage = shared_score;
ap_scoreboard_image->global = (global_score *)more_storage;
- more_storage += sizeof(global_score);
+ more_storage += SIZE_OF_global_score;
ap_scoreboard_image->parent = (process_score *)more_storage;
- more_storage += sizeof(process_score) * server_limit;
+ more_storage += SIZE_OF_process_score * server_limit;
ap_scoreboard_image->servers =
- (worker_score **)((char*)ap_scoreboard_image + sizeof(scoreboard));
+ (worker_score **)((char*)ap_scoreboard_image + SIZE_OF_scoreboard);
for (i = 0; i < server_limit; i++) {
ap_scoreboard_image->servers[i] = (worker_score *)more_storage;
- more_storage += thread_limit * sizeof(worker_score);
- }
- if (lb_limit) {
- ap_scoreboard_image->balancers = (lb_score *)more_storage;
- more_storage += lb_limit * sizeof(lb_score);
+ more_storage += thread_limit * SIZE_OF_worker_score;
}
ap_assert(more_storage == (char*)shared_score + scoreboard_size);
ap_scoreboard_image->global->server_limit = server_limit;
ap_scoreboard_image->global->thread_limit = thread_limit;
- ap_scoreboard_image->global->lb_limit = lb_limit;
}
/**
rv = apr_shm_create(&ap_scoreboard_shm, scoreboard_size, fname, pool);
if (rv != APR_SUCCESS) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,
- "unable to create scoreboard \"%s\" "
+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(00001)
+ "unable to create or access scoreboard \"%s\" "
"(name-based shared memory failure)", fname);
return rv;
}
*/
rv = apr_pool_create(&global_pool, NULL);
if (rv != APR_SUCCESS) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,
+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(00002)
"Fatal error: unable to create global pool "
- "for use with by the scoreboard");
+ "for use by the scoreboard");
return rv;
}
/* make sure it's an absolute pathname */
fname = ap_server_root_relative(pconf, ap_scoreboard_fname);
if (!fname) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, APR_EBADPATH, NULL,
+ ap_log_error(APLOG_MARK, APLOG_CRIT, APR_EBADPATH, ap_server_conf, APLOGNO(00003)
"Fatal error: Invalid Scoreboard path %s",
ap_scoreboard_fname);
return APR_EBADPATH;
rv = apr_shm_create(&ap_scoreboard_shm, scoreboard_size, NULL,
global_pool); /* anonymous shared memory */
if ((rv != APR_SUCCESS) && (rv != APR_ENOTIMPL)) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,
- "Unable to create scoreboard "
+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(00004)
+ "Unable to create or access scoreboard "
"(anonymous shared memory failure)");
return rv;
}
return APR_SUCCESS;
}
-/* If detach is non-zero, this is a seperate child process,
+/* If detach is non-zero, this is a separate child process,
* if zero, it is a forked child.
*/
-apr_status_t ap_reopen_scoreboard(apr_pool_t *p, apr_shm_t **shm, int detached)
+AP_DECLARE(apr_status_t) ap_reopen_scoreboard(apr_pool_t *p, apr_shm_t **shm,
+ int detached)
{
#if APR_HAS_SHARED_MEMORY
if (!detached) {
return APR_SUCCESS;
}
if (apr_shm_size_get(ap_scoreboard_shm) < scoreboard_size) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL,
+ ap_log_error(APLOG_MARK, APLOG_CRIT, 0, ap_server_conf, APLOGNO(00005)
"Fatal error: shared scoreboard too small for child!");
apr_shm_detach(ap_scoreboard_shm);
ap_scoreboard_shm = NULL;
if (ap_scoreboard_image == NULL) {
return APR_SUCCESS;
}
- if (ap_scoreboard_image->global->sb_type == SB_SHARED) {
+ if (scoreboard_type == SB_SHARED) {
ap_cleanup_shared_mem(NULL);
}
else {
*/
int ap_create_scoreboard(apr_pool_t *p, ap_scoreboard_e sb_type)
{
- int running_gen = 0;
int i;
#if APR_HAS_SHARED_MEMORY
apr_status_t rv;
#endif
if (ap_scoreboard_image) {
- running_gen = ap_scoreboard_image->global->running_generation;
ap_scoreboard_image->global->restart_time = apr_time_now();
memset(ap_scoreboard_image->parent, 0,
- sizeof(process_score) * server_limit);
+ SIZE_OF_process_score * server_limit);
for (i = 0; i < server_limit; i++) {
memset(ap_scoreboard_image->servers[i], 0,
- sizeof(worker_score) * thread_limit);
- }
- /* Clean up the lb workers data */
- if (lb_limit) {
- memset(ap_scoreboard_image->balancers, 0,
- sizeof(lb_score) * lb_limit);
+ SIZE_OF_worker_score * thread_limit);
}
+ ap_init_scoreboard(NULL);
return OK;
}
#endif
{
/* A simple malloc will suffice */
- void *sb_mem = calloc(1, scoreboard_size);
- if (sb_mem == NULL) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL,
- "(%d)%s: cannot allocate scoreboard",
- errno, strerror(errno));
- return HTTP_INTERNAL_SERVER_ERROR;
- }
+ void *sb_mem = ap_calloc(1, scoreboard_size);
ap_init_scoreboard(sb_mem);
}
- ap_scoreboard_image->global->sb_type = sb_type;
- ap_scoreboard_image->global->running_generation = running_gen;
+ scoreboard_type = sb_type;
+ ap_scoreboard_image->global->running_generation = 0;
ap_scoreboard_image->global->restart_time = apr_time_now();
apr_pool_cleanup_register(p, NULL, ap_cleanup_scoreboard, apr_pool_cleanup_null);
AP_DECLARE(void) ap_increment_counts(ap_sb_handle_t *sb, request_rec *r)
{
worker_score *ws;
+ apr_off_t bytes;
+
+ if (!sb)
+ return;
ws = &ap_scoreboard_image->servers[sb->child_num][sb->thread_num];
+ if (pfn_ap_logio_get_last_bytes != NULL) {
+ bytes = pfn_ap_logio_get_last_bytes(r->connection);
+ }
+ else if (r->method_number == M_GET && r->method[0] == 'H') {
+ bytes = 0;
+ }
+ else {
+ bytes = r->bytes_sent;
+ }
#ifdef HAVE_TIMES
times(&ws->times);
ws->access_count++;
ws->my_access_count++;
ws->conn_count++;
- ws->bytes_served += r->bytes_sent;
- ws->my_bytes_served += r->bytes_sent;
- ws->conn_bytes += r->bytes_sent;
+ ws->bytes_served += bytes;
+ ws->my_bytes_served += bytes;
+ ws->conn_bytes += bytes;
}
-int find_child_by_pid(apr_proc_t *pid)
+AP_DECLARE(int) ap_find_child_by_pid(apr_proc_t *pid)
{
int i;
- int max_daemons_limit;
+ int max_daemons_limit = 0;
- ap_mpm_query(AP_MPMQ_MAX_DAEMONS, &max_daemons_limit);
+ ap_mpm_query(AP_MPMQ_MAX_DAEMON_USED, &max_daemons_limit);
for (i = 0; i < max_daemons_limit; ++i) {
if (ap_scoreboard_image->parent[i].pid == pid->pid) {
return -1;
}
+AP_DECLARE(void) ap_update_sb_handle(ap_sb_handle_t *sbh,
+ int child_num, int thread_num)
+{
+ sbh->child_num = child_num;
+ sbh->thread_num = thread_num;
+}
+
AP_DECLARE(void) ap_create_sb_handle(ap_sb_handle_t **new_sbh, apr_pool_t *p,
int child_num, int thread_num)
{
*new_sbh = (ap_sb_handle_t *)apr_palloc(p, sizeof(ap_sb_handle_t));
- (*new_sbh)->child_num = child_num;
- (*new_sbh)->thread_num = thread_num;
+ ap_update_sb_handle(*new_sbh, child_num, thread_num);
}
-AP_DECLARE(int) ap_update_child_status_from_indexes(int child_num,
- int thread_num,
- int status,
- request_rec *r)
+static void copy_request(char *rbuf, apr_size_t rbuflen, request_rec *r)
{
- int old_status;
- worker_score *ws;
- process_score *ps;
+ char *p;
- if (child_num < 0) {
- return -1;
+ if (r->the_request == NULL) {
+ apr_cpystrn(rbuf, "NULL", rbuflen);
+ return; /* short circuit below */
}
+ if (r->parsed_uri.password == NULL) {
+ p = r->the_request;
+ }
+ else {
+ /* Don't reveal the password in the server-status view */
+ p = apr_pstrcat(r->pool, r->method, " ",
+ apr_uri_unparse(r->pool, &r->parsed_uri,
+ APR_URI_UNP_OMITPASSWORD),
+ r->assbackwards ? NULL : " ", r->protocol, NULL);
+ }
+
+ /* now figure out if we copy over the 1st rbuflen chars or the last */
+ if (!ap_mod_status_reqtail) {
+ apr_cpystrn(rbuf, p, rbuflen);
+ }
+ else {
+ apr_size_t slen = strlen(p);
+ if (slen < rbuflen) {
+ /* it all fits anyway */
+ apr_cpystrn(rbuf, p, rbuflen);
+ }
+ else {
+ apr_cpystrn(rbuf, p+(slen-rbuflen+1), rbuflen);
+ }
+ }
+}
+
+static int update_child_status_internal(int child_num,
+ int thread_num,
+ int status,
+ conn_rec *c,
+ server_rec *s,
+ request_rec *r,
+ const char *descr)
+{
+ int old_status;
+ worker_score *ws;
+ int mpm_generation;
+
ws = &ap_scoreboard_image->servers[child_num][thread_num];
old_status = ws->status;
ws->status = status;
-
- ps = &ap_scoreboard_image->parent[child_num];
-
+
if (status == SERVER_READY
&& old_status == SERVER_STARTING) {
+ process_score *ps = &ap_scoreboard_image->parent[child_num];
ws->thread_num = child_num * thread_limit + thread_num;
- ps->generation = ap_my_generation;
+ ap_mpm_query(AP_MPMQ_GENERATION, &mpm_generation);
+ ps->generation = mpm_generation;
}
if (ap_extended_status) {
- ws->last_used = apr_time_now();
+ const char *val;
+
if (status == SERVER_READY || status == SERVER_DEAD) {
/*
* Reset individual counters
}
ws->conn_count = 0;
ws->conn_bytes = 0;
+ ws->last_used = apr_time_now();
+ }
+
+ if (descr) {
+ apr_cpystrn(ws->request, descr, sizeof(ws->request));
+ }
+ else if (r) {
+ copy_request(ws->request, sizeof(ws->request), r);
+ }
+ else if (c) {
+ ws->request[0]='\0';
+ }
+
+ if (r && r->useragent_ip) {
+ if (!(val = ap_get_useragent_host(r, REMOTE_NOLOOKUP, NULL)))
+ apr_cpystrn(ws->client, r->useragent_ip, sizeof(ws->client));
+ else
+ apr_cpystrn(ws->client, val, sizeof(ws->client));
}
- if (r) {
- conn_rec *c = r->connection;
- apr_cpystrn(ws->client, ap_get_remote_host(c, r->per_dir_config,
- REMOTE_NOLOOKUP, NULL), sizeof(ws->client));
- if (r->the_request == NULL) {
- apr_cpystrn(ws->request, "NULL", sizeof(ws->request));
- } else if (r->parsed_uri.password == NULL) {
- apr_cpystrn(ws->request, r->the_request, sizeof(ws->request));
- } else {
- /* Don't reveal the password in the server-status view */
- apr_cpystrn(ws->request, apr_pstrcat(r->pool, r->method, " ",
- apr_uri_unparse(r->pool, &r->parsed_uri,
- APR_URI_UNP_OMITPASSWORD),
- r->assbackwards ? NULL : " ", r->protocol, NULL),
- sizeof(ws->request));
+ else if (c) {
+ if (!(val = ap_get_remote_host(c, c->base_server->lookup_defaults,
+ REMOTE_NOLOOKUP, NULL)))
+ apr_cpystrn(ws->client, c->client_ip, sizeof(ws->client));
+ else
+ apr_cpystrn(ws->client, val, sizeof(ws->client));
+ }
+
+ if (s) {
+ if (c) {
+ apr_snprintf(ws->vhost, sizeof(ws->vhost), "%s:%d",
+ s->server_hostname, c->local_addr->port);
}
- apr_cpystrn(ws->vhost, r->server->server_hostname,
- sizeof(ws->vhost));
+ else {
+ apr_cpystrn(ws->vhost, s->server_hostname, sizeof(ws->vhost));
+ }
+ }
+ else if (c) {
+ ws->vhost[0]='\0';
+ }
+
+ if (c) {
+ val = ap_get_protocol(c);
+ apr_cpystrn(ws->protocol, val, sizeof(ws->protocol));
}
}
return old_status;
}
+AP_DECLARE(int) ap_update_child_status_from_indexes(int child_num,
+ int thread_num,
+ int status,
+ request_rec *r)
+{
+ if (child_num < 0) {
+ return -1;
+ }
+
+ return update_child_status_internal(child_num, thread_num, status,
+ r ? r->connection : NULL,
+ r ? r->server : NULL,
+ r, NULL);
+}
+
AP_DECLARE(int) ap_update_child_status(ap_sb_handle_t *sbh, int status,
request_rec *r)
{
- return ap_update_child_status_from_indexes(sbh->child_num, sbh->thread_num,
- status, r);
+ if (!sbh || (sbh->child_num < 0))
+ return -1;
+
+ return update_child_status_internal(sbh->child_num, sbh->thread_num,
+ status,
+ r ? r->connection : NULL,
+ r ? r->server : NULL,
+ r, NULL);
+}
+
+AP_DECLARE(int) ap_update_child_status_from_conn(ap_sb_handle_t *sbh, int status,
+ conn_rec *c)
+{
+ if (!sbh || (sbh->child_num < 0))
+ return -1;
+
+ return update_child_status_internal(sbh->child_num, sbh->thread_num,
+ status, c, NULL, NULL, NULL);
+}
+
+AP_DECLARE(int) ap_update_child_status_from_server(ap_sb_handle_t *sbh, int status,
+ conn_rec *c, server_rec *s)
+{
+ if (!sbh || (sbh->child_num < 0))
+ return -1;
+
+ return update_child_status_internal(sbh->child_num, sbh->thread_num,
+ status, c, s, NULL, NULL);
}
-void ap_time_process_request(ap_sb_handle_t *sbh, int status)
+AP_DECLARE(int) ap_update_child_status_descr(ap_sb_handle_t *sbh, int status, const char *descr)
+{
+ if (!sbh || (sbh->child_num < 0))
+ return -1;
+
+ return update_child_status_internal(sbh->child_num, sbh->thread_num,
+ status, NULL, NULL, NULL, descr);
+}
+
+AP_DECLARE(void) ap_time_process_request(ap_sb_handle_t *sbh, int status)
{
worker_score *ws;
+ if (!sbh)
+ return;
+
if (sbh->child_num < 0) {
return;
}
ws = &ap_scoreboard_image->servers[sbh->child_num][sbh->thread_num];
if (status == START_PREQUEST) {
- ws->start_time = apr_time_now();
+ ws->start_time = ws->last_used = apr_time_now();
}
else if (status == STOP_PREQUEST) {
- ws->stop_time = apr_time_now();
+ ws->stop_time = ws->last_used = apr_time_now();
}
}
-AP_DECLARE(worker_score *) ap_get_scoreboard_worker(int x, int y)
+AP_DECLARE(worker_score *) ap_get_scoreboard_worker_from_indexes(int x, int y)
{
- if (((x < 0) || (server_limit < x)) ||
- ((y < 0) || (thread_limit < y))) {
+ if (((x < 0) || (x >= server_limit)) ||
+ ((y < 0) || (y >= thread_limit))) {
return(NULL); /* Out of range */
}
return &ap_scoreboard_image->servers[x][y];
}
+AP_DECLARE(worker_score *) ap_get_scoreboard_worker(ap_sb_handle_t *sbh)
+{
+ if (!sbh)
+ return NULL;
+
+ return ap_get_scoreboard_worker_from_indexes(sbh->child_num,
+ sbh->thread_num);
+}
+
+AP_DECLARE(void) ap_copy_scoreboard_worker(worker_score *dest,
+ int child_num,
+ int thread_num)
+{
+ worker_score *ws = ap_get_scoreboard_worker_from_indexes(child_num, thread_num);
+
+ memcpy(dest, ws, sizeof *ws);
+
+ /* For extra safety, NUL-terminate the strings returned, though it
+ * should be true those last bytes are always zero anyway. */
+ dest->client[sizeof(dest->client) - 1] = '\0';
+ dest->request[sizeof(dest->request) - 1] = '\0';
+ dest->vhost[sizeof(dest->vhost) - 1] = '\0';
+ dest->protocol[sizeof(dest->protocol) - 1] = '\0';
+}
+
AP_DECLARE(process_score *) ap_get_scoreboard_process(int x)
{
- if ((x < 0) || (server_limit < x)) {
+ if ((x < 0) || (x >= server_limit)) {
return(NULL); /* Out of range */
}
return &ap_scoreboard_image->parent[x];
{
return ap_scoreboard_image->global;
}
-
-AP_DECLARE(lb_score *) ap_get_scoreboard_lb(int lb_num)
-{
- if (((lb_num < 0) || (lb_limit < lb_num))) {
- return(NULL); /* Out of range */
- }
- return &ap_scoreboard_image->balancers[lb_num];
-}
projects / apache / blobdiff