/* $Id$ */ /* * Copyright (C)2003-2008 Benny Prijono * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "test.h" #include /** * \page page_pjlib_activesock_test Test: Active Socket * * This file is pjlib-test/activesock.c * * \include pjlib-test/activesock.c */ #if INCLUDE_ACTIVESOCK_TEST #define THIS_FILE "activesock.c" /******************************************************************* * Simple UDP echo server. */ struct udp_echo_srv { pj_activesock_t *asock; pj_bool_t echo_enabled; pj_uint16_t port; pj_ioqueue_op_key_t send_key; pj_status_t status; unsigned rx_cnt; unsigned rx_err_cnt, tx_err_cnt; }; static void udp_echo_err(const char *title, pj_status_t status) { char errmsg[PJ_ERR_MSG_SIZE]; pj_strerror(status, errmsg, sizeof(errmsg)); PJ_LOG(3,(THIS_FILE, " error: %s: %s", title, errmsg)); } static pj_bool_t udp_echo_srv_on_data_recvfrom(pj_activesock_t *asock, void *data, pj_size_t size, const pj_sockaddr_t *src_addr, int addr_len, pj_status_t status) { struct udp_echo_srv *srv; pj_ssize_t sent; srv = (struct udp_echo_srv*) pj_activesock_get_user_data(asock); if (status != PJ_SUCCESS) { srv->status = status; srv->rx_err_cnt++; udp_echo_err("recvfrom() callback", status); return PJ_TRUE; } srv->rx_cnt++; /* Send back if echo is enabled */ if (srv->echo_enabled) { sent = size; srv->status = pj_activesock_sendto(asock, &srv->send_key, data, &sent, 0, src_addr, addr_len); if (srv->status != PJ_SUCCESS) { srv->tx_err_cnt++; udp_echo_err("sendto()", status); } } return PJ_TRUE; } static pj_status_t udp_echo_srv_create(pj_pool_t *pool, pj_ioqueue_t *ioqueue, pj_bool_t enable_echo, struct udp_echo_srv **p_srv) { struct udp_echo_srv *srv; pj_sock_t sock_fd = PJ_INVALID_SOCKET; pj_sockaddr addr; int addr_len; pj_activesock_cb activesock_cb; pj_status_t status; srv = PJ_POOL_ZALLOC_T(pool, struct udp_echo_srv); srv->echo_enabled = enable_echo; pj_sockaddr_in_init(&addr.ipv4, NULL, 0); addr_len = sizeof(addr); pj_bzero(&activesock_cb, sizeof(activesock_cb)); activesock_cb.on_data_recvfrom = &udp_echo_srv_on_data_recvfrom; status = pj_activesock_create_udp(pool, &addr, NULL, ioqueue, &activesock_cb, srv, &srv->asock, &addr); if (status != PJ_SUCCESS) { pj_sock_close(sock_fd); udp_echo_err("pj_activesock_create()", status); return status; } srv->port = pj_ntohs(addr.ipv4.sin_port); pj_ioqueue_op_key_init(&srv->send_key, sizeof(srv->send_key)); status = pj_activesock_start_recvfrom(srv->asock, pool, 32, 0); if (status != PJ_SUCCESS) { pj_activesock_close(srv->asock); udp_echo_err("pj_activesock_start_recvfrom()", status); return status; } *p_srv = srv; return PJ_SUCCESS; } static void udp_echo_srv_destroy(struct udp_echo_srv *srv) { pj_activesock_close(srv->asock); } /******************************************************************* * UDP ping pong test (send packet back and forth between two UDP echo * servers. */ static int udp_ping_pong_test(void) { pj_ioqueue_t *ioqueue = NULL; pj_pool_t *pool = NULL; struct udp_echo_srv *srv1=NULL, *srv2=NULL; pj_bool_t need_send = PJ_TRUE; unsigned data = 0; int count, ret; pj_status_t status; pool = pj_pool_create(mem, "pingpong", 512, 512, NULL); if (!pool) return -10; status = pj_ioqueue_create(pool, 4, &ioqueue); if (status != PJ_SUCCESS) { ret = -20; udp_echo_err("pj_ioqueue_create()", status); goto on_return; } status = udp_echo_srv_create(pool, ioqueue, PJ_TRUE, &srv1); if (status != PJ_SUCCESS) { ret = -30; goto on_return; } status = udp_echo_srv_create(pool, ioqueue, PJ_TRUE, &srv2); if (status != PJ_SUCCESS) { ret = -40; goto on_return; } /* initiate the first send */ for (count=0; count<1000; ++count) { unsigned last_rx1, last_rx2; unsigned i; if (need_send) { pj_str_t loopback; pj_sockaddr_in addr; pj_ssize_t sent; ++data; sent = sizeof(data); loopback = pj_str("127.0.0.1"); pj_sockaddr_in_init(&addr, &loopback, srv2->port); status = pj_activesock_sendto(srv1->asock, &srv1->send_key, &data, &sent, 0, &addr, sizeof(addr)); if (status != PJ_SUCCESS && status != PJ_EPENDING) { ret = -50; udp_echo_err("sendto()", status); goto on_return; } need_send = PJ_FALSE; } last_rx1 = srv1->rx_cnt; last_rx2 = srv2->rx_cnt; for (i=0; i<10 && last_rx1 == srv1->rx_cnt && last_rx2 == srv2->rx_cnt; ++i) { pj_time_val delay = {0, 10}; pj_ioqueue_poll(ioqueue, &delay); } if (srv1->rx_err_cnt+srv1->tx_err_cnt != 0 || srv2->rx_err_cnt+srv2->tx_err_cnt != 0) { /* Got error */ ret = -60; goto on_return; } if (last_rx1 == srv1->rx_cnt && last_rx2 == srv2->rx_cnt) { /* Packet lost */ ret = -70; udp_echo_err("packets have been lost", PJ_ETIMEDOUT); goto on_return; } } ret = 0; on_return: if (srv2) udp_echo_srv_destroy(srv2); if (srv1) udp_echo_srv_destroy(srv1); if (ioqueue) pj_ioqueue_destroy(ioqueue); if (pool) pj_pool_release(pool); return ret; } int activesock_test(void) { int ret; PJ_LOG(3,("", "..udp ping/pong test")); ret = udp_ping_pong_test(); if (ret != 0) return ret; return 0; } #else /* INCLUDE_ACTIVESOCK_TEST */ /* To prevent warning about "translation unit is empty" * when this test is disabled. */ int dummy_active_sock_test; #endif /* INCLUDE_ACTIVESOCK_TEST */