diff options
Diffstat (limited to 'modules/proxy/examples')
| -rw-r--r-- | modules/proxy/examples/mod_lbmethod_rr.c | 133 | ||||
| -rw-r--r-- | modules/proxy/examples/mod_lbmethod_rr.dsp | 111 |
2 files changed, 0 insertions, 244 deletions
diff --git a/modules/proxy/examples/mod_lbmethod_rr.c b/modules/proxy/examples/mod_lbmethod_rr.c deleted file mode 100644 index adb28d8e..00000000 --- a/modules/proxy/examples/mod_lbmethod_rr.c +++ /dev/null @@ -1,133 +0,0 @@ -/* 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 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* Round Robin lbmethod EXAMPLE module for Apache proxy */ - -/* NOTE: This is designed simply to provide some info on how to create - extra lbmethods via sub-modules... This code is ugly - and needs work to actually do round-robin "right" - but that is left as an exercise for the reader */ - -#include "mod_proxy.h" -#include "scoreboard.h" -#include "ap_mpm.h" -#include "apr_version.h" -#include "ap_hooks.h" - -#if APR_HAVE_UNISTD_H -#include <unistd.h> /* for getpid() */ -#endif - -module AP_MODULE_DECLARE_DATA proxy_balancer_rr_module; - -typedef struct { - int index; -} rr_data ; - -/* - */ -static proxy_worker *find_best_roundrobin(proxy_balancer *balancer, - request_rec *r) -{ - int i; - proxy_worker **worker; - proxy_worker *mycandidate = NULL; - int checking_standby; - int checked_standby; - rr_data *ctx; - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, APLOGNO(01116) - "proxy: Entering roundrobin for BALANCER %s (%d)", - balancer->name, (int)getpid()); - - /* The index of the candidate last chosen is stored in ctx->index */ - if (!balancer->context) { - /* UGLY */ - ctx = apr_pcalloc(r->server->process->pconf, sizeof(rr_data)); - balancer->context = (void *)ctx; - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, APLOGNO(01117) - "proxy: Creating roundrobin ctx for BALANCER %s (%d)", - balancer->name, (int)getpid()); - } else { - ctx = (rr_data *)balancer->context; - } - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, APLOGNO(01118) - "proxy: roundrobin index: %d (%d)", - ctx->index, (int)getpid()); - - checking_standby = checked_standby = 0; - while (!mycandidate && !checked_standby) { - worker = (proxy_worker **)balancer->workers->elts; - - for (i = 0; i < balancer->workers->nelts; i++, worker++) { - if (i < ctx->index) - continue; - if ( - (checking_standby ? !PROXY_WORKER_IS_STANDBY(*worker) : PROXY_WORKER_IS_STANDBY(*worker)) || - (PROXY_WORKER_IS_DRAINING(*worker)) - ) { - continue; - } - if (!PROXY_WORKER_IS_USABLE(*worker)) - ap_proxy_retry_worker("BALANCER", *worker, r->server); - if (PROXY_WORKER_IS_USABLE(*worker)) { - mycandidate = *worker; - break; - } - } - checked_standby = checking_standby++; - } - - - ctx->index += 1; - if (ctx->index >= balancer->workers->nelts) { - ctx->index = 0; - } - return mycandidate; -} - -static apr_status_t reset(proxy_balancer *balancer, server_rec *s) { - return APR_SUCCESS; -} - -static apr_status_t age(proxy_balancer *balancer, server_rec *s) { - return APR_SUCCESS; -} - -static const proxy_balancer_method roundrobin = -{ - "roundrobin", - &find_best_roundrobin, - NULL, - &reset, - &age -}; - - -static void ap_proxy_rr_register_hook(apr_pool_t *p) -{ - ap_register_provider(p, PROXY_LBMETHOD, "roundrobin", "0", &roundrobin); -} - -AP_DECLARE_MODULE(proxy_balancer_rr) = { - STANDARD20_MODULE_STUFF, - NULL, /* create per-directory config structure */ - NULL, /* merge per-directory config structures */ - NULL, /* create per-server config structure */ - NULL, /* merge per-server config structures */ - NULL, /* command apr_table_t */ - ap_proxy_rr_register_hook /* register hooks */ -}; diff --git a/modules/proxy/examples/mod_lbmethod_rr.dsp b/modules/proxy/examples/mod_lbmethod_rr.dsp deleted file mode 100644 index 84a423b8..00000000 --- a/modules/proxy/examples/mod_lbmethod_rr.dsp +++ /dev/null @@ -1,111 +0,0 @@ -# Microsoft Developer Studio Project File - Name="mod_lbmethod_rr" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102 - -CFG=mod_lbmethod_rr - Win32 Release -!MESSAGE This is not a valid makefile. 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