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2890c834f7
PR: 40658 Submitted by: Larry Cipriani <lvc lucent.com> Reviewed by: rpluem git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@452213 13f79535-47bb-0310-9956-ffa450edef68
106 lines
3.2 KiB
C
106 lines
3.2 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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#include "ap_config.h"
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#include "ap_mmn.h"
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#include "httpd.h"
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#include "http_config.h"
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#include "http_connection.h"
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#include "apr_buckets.h"
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#include "util_filter.h"
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module AP_MODULE_DECLARE_DATA echo_module;
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typedef struct {
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int bEnabled;
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} EchoConfig;
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static void *create_echo_server_config(apr_pool_t *p, server_rec *s)
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{
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EchoConfig *pConfig = apr_pcalloc(p, sizeof *pConfig);
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pConfig->bEnabled = 0;
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return pConfig;
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}
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static const char *echo_on(cmd_parms *cmd, void *dummy, int arg)
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{
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EchoConfig *pConfig = ap_get_module_config(cmd->server->module_config,
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&echo_module);
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pConfig->bEnabled = arg;
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return NULL;
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}
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static int process_echo_connection(conn_rec *c)
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{
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apr_bucket_brigade *bb;
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apr_bucket *b;
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apr_status_t rv;
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EchoConfig *pConfig = ap_get_module_config(c->base_server->module_config,
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&echo_module);
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if (!pConfig->bEnabled) {
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return DECLINED;
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}
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do {
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bb = apr_brigade_create(c->pool, c->bucket_alloc);
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/* Get a single line of input from the client */
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if (((rv = ap_get_brigade(c->input_filters, bb, AP_MODE_GETLINE,
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APR_BLOCK_READ, 0)) != APR_SUCCESS) ||
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APR_BRIGADE_EMPTY(bb)) {
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apr_brigade_destroy(bb);
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break;
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}
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/* Make sure the data is flushed to the client */
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b = apr_bucket_flush_create(c->bucket_alloc);
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APR_BRIGADE_INSERT_TAIL(bb, b);
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/* Send back the data. */
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rv = ap_pass_brigade(c->output_filters, bb);
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} while (rv == APR_SUCCESS);
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return OK;
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}
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static const command_rec echo_cmds[] =
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{
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AP_INIT_FLAG("ProtocolEcho", echo_on, NULL, RSRC_CONF,
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"Run an echo server on this host"),
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{ NULL }
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};
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static void register_hooks(apr_pool_t *p)
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{
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ap_hook_process_connection(process_echo_connection, NULL, NULL,
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APR_HOOK_MIDDLE);
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}
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module AP_MODULE_DECLARE_DATA echo_module = {
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STANDARD20_MODULE_STUFF,
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NULL, /* create per-directory config structure */
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NULL, /* merge per-directory config structures */
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create_echo_server_config, /* create per-server config structure */
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NULL, /* merge per-server config structures */
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echo_cmds, /* command apr_table_t */
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register_hooks /* register hooks */
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};
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