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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <time.h>
#include <fcntl.h>
#include <vespa/vespalib/net/socket_address.h>
#include <cstdlib>
void error(const char *msg)
{
perror(msg);
std::_Exit(1);
}
int main(int /*argc*/, char ** /*argv*/)
{
auto handle = vespalib::SocketAddress::select_local(0).listen();
if (!handle) {
error("ERROR: could not listen to server port");
}
int portno = vespalib::SocketAddress::address_of(handle.get()).port();
printf("Got port %d", portno);
int fd = open("logserver.port", O_CREAT | O_WRONLY,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
char out[6];
snprintf(out, sizeof(out), "%d\n", portno);
ssize_t writeRes = write(fd, out, sizeof(out));
close(fd);
if (writeRes != sizeof(out)) {
error("ERROR: could not write port number");
}
sockaddr_storage cli_addr;
socklen_t clilen = sizeof(cli_addr);
int newsockfd = accept(handle.get(),
(struct sockaddr *) &cli_addr,
&clilen);
if (newsockfd < 0)
error("ERROR on accept");
char buffer[1024];
while (true) {
ssize_t n = read(newsockfd, buffer, sizeof(buffer));
if (n < 0) error("ERROR reading from socket");
struct timespec t;
t.tv_sec = 0;
t.tv_nsec = 200000000;
nanosleep(&t, 0);
}
return 0;
}
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