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lxip/udp_echo: read port from config 

Ref #114
This commit is contained in:
Martin Stein 2016-08-17 12:14:24 +02:00 committed by Christian Helmuth
parent dbbda9839b
commit 40d7902ade
3 changed files with 15 additions and 5 deletions
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5
repos/dde_linux/run/lxip_udp_echo.run
View File

@ -50,7 +50,8 @@ set config {
<start name="test-lxip_udp_echo">
<resource name="RAM" quantum="2M"/>
<config ld_verbose="yes">
<libc stdout="/dev/log" stderr="/dev/log" ip_addr="10.0.2.55" gateway="10.0.2.1" netmask="255.255.255.0">
<libc stdout="/dev/log" stderr="/dev/log" ip_addr="10.0.2.55"
gateway="10.0.2.1" netmask="255.255.255.0" port="1337">
<vfs> <dir name="dev"> <log/> </dir> </vfs>
</libc>
</config>
@ -118,7 +119,7 @@ append qemu_args " -m 128 -nographic "
append_if [have_spec x86] qemu_args " -net nic,model=e1000 "
append_if [have_spec lan9118] qemu_args " -net nic,model=lan9118 "
append qemu_args " -net user -redir tcp:5555::80 "
append qemu_args " -net user -redir udp:5555::1337 "
run_genode_until forever

13
repos/dde_linux/src/test/lxip/udp_echo/main.cc
View File

@ -21,7 +21,9 @@
#include <arpa/inet.h>
#include <netinet/in.h>
#include <string.h>
#include <os/config.h>
using namespace Genode;
int main(void)
{
@ -33,10 +35,17 @@ int main(void)
return -1;
}
unsigned port = 0;
Xml_node libc_node = config()->xml_node().sub_node("libc");
try { libc_node.attribute("port").value(&port); }
catch (...) {
error("Missing \"port\" attribute.");
throw Xml_node::Nonexistent_attribute();
}
Genode::log("Now, I will bind ...");
struct sockaddr_in in_addr;
in_addr.sin_family = AF_INET;
in_addr.sin_port = htons(1337);
in_addr.sin_port = htons(port);
in_addr.sin_addr.s_addr = INADDR_ANY;
if(bind(s, (struct sockaddr*)&in_addr, sizeof(in_addr))) {
Genode::error("bind failed!");
@ -50,7 +59,7 @@ int main(void)
socklen_t len = sizeof(addr);
char buf[4096];
memset(buf, 0, sizeof(buf));
::memset(buf, 0, sizeof(buf));
ssize_t n = recvfrom(s, buf, sizeof(buf), 0, (struct sockaddr*)&addr, &len);

2
repos/dde_linux/src/test/lxip/udp_echo/target.mk
View File

@ -1,3 +1,3 @@
TARGET = test-lxip_udp_echo
LIBS = libc libc_lxip
LIBS = libc libc_lxip config
SRC_CC = main.cc