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// Minimal server implementation for probing out things
#include "common.h"
#include <arpa/inet.h>
#include <assert.h>
#include <poll.h>
#include <sys/socket.h>
#include <unistd.h>
int main(void)
{
u32 serverfd, clientfd;
u8 on = 1;
const struct sockaddr_in address = {
AF_INET,
htons(PORT),
{0},
};
serverfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
setsockopt(serverfd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on));
u32 err = bind(serverfd, (struct sockaddr *)&address, sizeof(address));
assert(err == 0);
err = listen(serverfd, 256);
assert(err == 0);
clientfd = accept(serverfd, 0, 0);
assert(clientfd != -1);
struct pollfd fds[1] = {
{clientfd, POLLIN, 0},
};
for (;;) {
int ret = poll(fds, 1, 50000);
assert(ret != -1);
if (fds[0].revents & POLLIN) {
u8 recv_buf[BUF_MAX];
u32 nrecv = recv(clientfd, recv_buf, sizeof(recv_buf), 0);
assert(nrecv >= 0);
writef("client(%d): %d bytes received.\n", clientfd, nrecv);
if (nrecv == 0) {
writef("client(%d): disconnected.\n", clientfd);
fds[0].fd = -1;
fds[0].revents = 0;
err = close(clientfd);
assert(err == 0);
return 0;
}
}
}
return 0;
}
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