338 lines
11 KiB
C
338 lines
11 KiB
C
/****************************************************************************
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* examples/udpblaster/udpblaster_target.c
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*
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* Copyright (C) 2015, 2018 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <poll.h>
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#include <errno.h>
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#include <debug.h>
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#include <net/if.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include "netutils/netlib.h"
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#include "udpblaster.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#if defined(CONFIG_EXAMPLES_UDPBLASTER_INIT) && \
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defined(CONFIG_EXAMPLES_UDPBLASTER_IPv6) && \
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!defined(CONFIG_NET_ICMPv6_AUTOCONF)
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/* Our host IPv6 address */
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static const uint16_t g_ipv6_hostaddr[8] =
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{
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_1),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_2),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_3),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_4),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_5),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_6),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_7),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_8),
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};
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/* Default routine IPv6 address */
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static const uint16_t g_ipv6_draddr[8] =
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{
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_1),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_2),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_3),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_4),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_5),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_6),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_7),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_8),
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};
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/* IPv6 netmask */
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static const uint16_t g_ipv6_netmask[8] =
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{
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_1),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_2),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_3),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_4),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_5),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_6),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_7),
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HTONS(CONFIG_EXAMPLES_UDPBLASTER_IPv6NETMASK_8),
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};
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#endif /* CONFIG_EXAMPLES_UDPBLASTER_INIT && CONFIG_EXAMPLES_UDPBLASTER_IPv6 && !CONFIG_NET_ICMPv6_AUTOCONF */
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_INIT
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static void netest_initialize(void)
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{
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#ifndef CONFIG_EXAMPLES_UDPBLASTER_IPv6
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struct in_addr addr;
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#endif
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_NOMAC
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uint8_t mac[IFHWADDRLEN];
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#endif
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/* Many embedded network interfaces must have a software assigned MAC */
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_NOMAC
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mac[0] = 0x00;
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mac[1] = 0xe0;
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mac[2] = 0xde;
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mac[3] = 0xad;
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mac[4] = 0xbe;
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mac[5] = 0xef;
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netlib_setmacaddr("eth0", mac);
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#endif
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_IPv6
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#ifdef CONFIG_NET_ICMPv6_AUTOCONF
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/* Perform ICMPv6 auto-configuration */
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netlib_icmpv6_autoconfiguration("eth0");
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#else /* CONFIG_NET_ICMPv6_AUTOCONF */
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/* Set up our fixed host address */
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netlib_set_ipv6addr("eth0",
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(FAR const struct in6_addr *)g_ipv6_hostaddr);
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/* Set up the default router address */
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netlib_set_dripv6addr("eth0",
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(FAR const struct in6_addr *)g_ipv6_draddr);
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/* Setup the subnet mask */
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netlib_set_ipv6netmask("eth0",
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(FAR const struct in6_addr *)g_ipv6_netmask);
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#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
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#else /* CONFIG_EXAMPLES_UDPBLASTER_IPv6 */
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/* Set up our host address */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_UDPBLASTER_TARGETIP);
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netlib_set_ipv4addr("eth0", &addr);
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/* Set up the default router address */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_UDPBLASTER_HOSTIP);
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netlib_set_dripv4addr("eth0", &addr);
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/* Setup the subnet mask */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_UDPBLASTER_NETMASK);
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netlib_set_ipv4netmask("eth0", &addr);
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#endif /* CONFIG_EXAMPLES_UDPBLASTER_IPv6 */
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/* New versions of netlib_set_ipvXaddr will not bring the network up,
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* So ensure the network is really up at this point.
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*/
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netlib_ifup("eth0");
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}
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#endif /*CONFIG_EXAMPLES_UDPBLASTER_INIT */
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* udpblaster_main
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_IPv4
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struct sockaddr_in host;
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struct sockaddr_in target;
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#else
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struct sockaddr_in6 host;
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struct sockaddr_in6 target;
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#endif
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socklen_t addrlen;
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int npackets;
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int ndots;
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int sockfd;
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int ret;
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_INIT
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/* Initialize the network */
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netest_initialize();
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#endif
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_IPv4
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host.sin_family = AF_INET;
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host.sin_port = HTONS(UDPBLASTER_HOST_PORTNO);
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host.sin_addr.s_addr = HTONL(CONFIG_EXAMPLES_UDPBLASTER_HOSTIP);
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sockfd = socket(PF_INET, SOCK_DGRAM, 0);
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if (sockfd < 0)
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{
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fprintf(stderr, "ERROR: socket() failed: %d\n", errno);
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ret = EXIT_FAILURE;
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goto errout_with_socket;
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}
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target.sin_family = AF_INET;
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target.sin_port = HTONS(UDPBLASTER_TARGET_PORTNO);
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target.sin_addr.s_addr = HTONL(CONFIG_EXAMPLES_UDPBLASTER_TARGETIP);
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addrlen = sizeof(struct sockaddr_in);
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if (bind(sockfd, (struct sockaddr*)&target, addrlen) < 0)
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{
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printf("server: ERROR bind failure: %d\n", errno);
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ret = EXIT_FAILURE;
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goto errout_with_socket;
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}
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#else
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host.sin6_family = AF_INET6;
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host.sin6_port = HTONS(UDPBLASTER_HOST_PORTNO);
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host.sin6_addr.s6_addr16[0] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_1);
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host.sin6_addr.s6_addr16[1] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_2);
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host.sin6_addr.s6_addr16[2] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_3);
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host.sin6_addr.s6_addr16[3] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_4);
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host.sin6_addr.s6_addr16[4] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_5);
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host.sin6_addr.s6_addr16[5] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_6);
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host.sin6_addr.s6_addr16[6] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_7);
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host.sin6_addr.s6_addr16[7] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_HOSTIPv6_8);
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sockfd = socket(PF_INET6, SOCK_DGRAM, 0);
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if (sockfd < 0)
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{
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fprintf(stderr, "ERROR: socket() failed: %d\n", errno);
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ret = EXIT_FAILURE;
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goto errout_with_socket;
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}
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target.sin6_family = AF_INET6;
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target.sin6_port = HTONS(UDPBLASTER_TARGET_PORTNO);
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target.sin6_addr.s6_addr16[0] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_1);
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target.sin6_addr.s6_addr16[1] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_2);
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target.sin6_addr.s6_addr16[2] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_3);
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target.sin6_addr.s6_addr16[3] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_4);
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target.sin6_addr.s6_addr16[4] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_5);
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target.sin6_addr.s6_addr16[5] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_6);
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target.sin6_addr.s6_addr16[6] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_7);
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target.sin6_addr.s6_addr16[7] = HTONS(CONFIG_EXAMPLES_UDPBLASTER_TARGETIPv6_8);
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addrlen = sizeof(struct sockaddr_in6);
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if (bind(sockfd, (struct sockaddr*)&target, addrlen) < 0)
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{
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fprintf(stderr, "ERROR bind failure: %d\n", errno);
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ret = EXIT_FAILURE;
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goto errout_with_socket;
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}
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#endif
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npackets = 0;
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ndots = 0;
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for (;;)
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{
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#ifdef CONFIG_EXAMPLES_UDPBLASTER_POLLOUT
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struct pollfd fds[1];
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memset(fds, 0, 1 * sizeof(struct pollfd));
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fds[0].fd = sockfd;
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fds[0].events = POLLOUT | POLLHUP;
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/* Wait until we can send data or until the connection is lost */
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ret = poll(fds, 1, -1);
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if (ret < 0)
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{
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printf("client: ERROR poll failed: %d\n", errno);
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goto errout_with_socket;
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}
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if ((fds[0].revents & POLLHUP) != 0)
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{
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printf("client: WARNING poll returned POLLHUP\n");
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ret = EXIT_SUCCESS;
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goto errout_with_socket;
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}
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#endif
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ret = sendto(sockfd, g_udpblaster_text, UDPBLASTER_SENDSIZE, 0,
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(struct sockaddr *)&host, addrlen);
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if (ret < 0)
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{
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fprintf(stderr, "ERROR: sendto() failed: %d\n", errno);
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ret = EXIT_FAILURE;
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goto errout_with_socket;
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}
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if (++npackets >= 10)
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{
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putchar('.');
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npackets = 0;
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if (++ndots >= 50)
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{
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putchar('\n');
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ndots = 0;
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}
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}
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}
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errout_with_socket:
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close(sockfd);
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return ret;
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}
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