| /* 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. |
| */ |
| |
| /* Simple echo daemon, designed to be used for network throughput |
| * benchmarks. The aim is to allow us to monitor changes in performance |
| * of APR networking code, nothing more. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> /* for atexit() */ |
| |
| #include "apr.h" |
| #include "apr_network_io.h" |
| #include "apr_strings.h" |
| |
| #define BUF_SIZE 4096 |
| |
| static void reportError(const char *msg, apr_status_t rv, |
| apr_pool_t *pool) |
| { |
| fprintf(stderr, "%s\nError: %d\n'%s'\n", msg, rv, |
| apr_psprintf(pool, "%pm", &rv)); |
| } |
| |
| static apr_status_t talkTalk(apr_socket_t *socket, apr_pool_t *parent) |
| { |
| apr_pool_t *pool; |
| apr_size_t len; |
| char *buf; |
| apr_status_t rv; |
| |
| if (apr_pool_create(&pool, parent) != APR_SUCCESS) |
| return APR_ENOPOOL; |
| |
| |
| buf = apr_palloc(pool, BUF_SIZE); |
| if (!buf) |
| return ENOMEM; |
| |
| do { |
| len = BUF_SIZE; |
| rv = apr_socket_recv(socket, buf, &len); |
| if (APR_STATUS_IS_EOF(rv) || len == 0 || rv != APR_SUCCESS) |
| break; |
| rv = apr_socket_send(socket, buf, &len); |
| if (len == 0 || rv != APR_SUCCESS) |
| break; |
| } while (rv == APR_SUCCESS); |
| |
| apr_pool_clear(pool); |
| return APR_SUCCESS; |
| } |
| |
| static apr_status_t glassToWall(apr_port_t port, apr_pool_t *parent) |
| { |
| apr_sockaddr_t *sockAddr; |
| apr_socket_t *listener, *accepted; |
| apr_status_t rv; |
| |
| rv = apr_socket_create(&listener, APR_INET, SOCK_STREAM, APR_PROTO_TCP, |
| parent); |
| if (rv != APR_SUCCESS) { |
| reportError("Unable to create socket", rv, parent); |
| return rv; |
| } |
| |
| rv = apr_sockaddr_info_get(&sockAddr, "127.0.0.1", APR_UNSPEC, |
| port, 0, parent); |
| if (rv != APR_SUCCESS) { |
| reportError("Unable to get socket info", rv, parent); |
| apr_socket_close(listener); |
| return rv; |
| } |
| |
| if ((rv = apr_socket_bind(listener, sockAddr)) != APR_SUCCESS || |
| (rv = apr_socket_listen(listener, 5)) != APR_SUCCESS) { |
| reportError("Unable to bind or listen to socket", rv, parent); |
| apr_socket_close(listener); |
| return rv; |
| } |
| |
| for (;;) { |
| rv = apr_socket_accept(&accepted, listener, parent); |
| if (rv != APR_SUCCESS) { |
| reportError("Error accepting on socket", rv, parent); |
| break; |
| } |
| printf("\tAnswering connection\n"); |
| rv = talkTalk(accepted, parent); |
| apr_socket_close(accepted); |
| printf("\tConnection closed\n"); |
| if (rv != APR_SUCCESS) |
| break; |
| } |
| |
| apr_socket_close(listener); |
| return APR_SUCCESS; |
| } |
| |
| int main(int argc, char **argv) |
| { |
| apr_pool_t *pool; |
| apr_port_t theport = 4747; |
| |
| printf("APR Test Application: echod\n"); |
| |
| apr_initialize(); |
| atexit(apr_terminate); |
| |
| apr_pool_create(&pool, NULL); |
| |
| if (argc >= 2) { |
| printf("argc = %d, port = '%s'\n", argc, argv[1]); |
| theport = atoi(argv[1]); |
| } |
| |
| fprintf(stdout, "Starting to listen on port %d\n", theport); |
| glassToWall(theport, pool); |
| |
| return 0; |
| } |