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lxip: simple udp client for testing

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Ref #114
This commit is contained in:
Martin Stein 2016-08-17 12:27:31 +02:00 committed by Christian Helmuth
parent 40d7902ade
commit a8640f56d1
2 changed files with 91 additions and 0 deletions
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88
repos/dde_linux/src/test/lxip/udp_client/main.cc Normal file
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/*
* \brief Minimal datagram client demonstration using socket API
* \author Martin Stein
* \date 2016-08-17
*/
/*
* Copyright (C) 2016 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <base/printf.h>
/* libc includes */
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <string.h>
#include <timer_session/connection.h>
#include <os/config.h>
using namespace Genode;
int main(void)
{
int s;
static Timer::Connection _timer;
_timer.msleep(2000);
log("Create new socket ...");
if((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
error("No socket available!");
return -1;
}
log("Now, I will bind ...");
struct sockaddr_in in_addr;
in_addr.sin_family = AF_INET;
in_addr.sin_port = htons(8765);
in_addr.sin_addr.s_addr = INADDR_ANY;
if(bind(s, (struct sockaddr*)&in_addr, sizeof(in_addr))) {
error("bind failed!");
return -1;
}
enum { ADDR_STR_SZ = 16 };
char serv_addr[ADDR_STR_SZ] = { 0 };
Xml_node libc_node = config()->xml_node().sub_node("libc");
try { libc_node.attribute("server_ip").value(serv_addr, ADDR_STR_SZ); }
catch(...) {
error("Missing \"server_ip\" attribute.");
throw Xml_node::Nonexistent_attribute();
}
unsigned port = 0;
try { libc_node.attribute("server_port").value(&port); }
catch (...) {
error("Missing \"server_port\" attribute.");
throw Xml_node::Nonexistent_attribute();
}
log("Start the client loop ...");
for(int j = 0; j != 5; ++j) {
_timer.msleep(2000);
struct sockaddr_in addr;
addr.sin_family = AF_INET;
socklen_t len = sizeof(addr);
addr.sin_port = htons(port);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr(serv_addr);
char buf[1024];
Genode::snprintf(buf, sizeof(buf), "UDP server at %s:%u", serv_addr, port);
ssize_t n = sizeof(buf);
n = sendto(s, buf, n, 0, (struct sockaddr*)&addr, len);
n = recvfrom(s, buf, sizeof(buf), 0, (struct sockaddr*)&addr, &len);
if (n == 0) {
warning("Invalid reply!");
continue;
}
if (n < 0) {
error("Error ", n);
break;
}
log("Received \"", String<64>(buf), " ...\"");
}
_timer.msleep(2000);
return 0;
}

3
repos/dde_linux/src/test/lxip/udp_client/target.mk Normal file
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TARGET = test-lxip_udp_client
LIBS = libc libc_lxip config
SRC_CC = main.cc