am 450b114a: Disable remote TCP connections

void socket_free(socket_t *socket);

// Puts |socket| in listening mode for incoming TCP connections on the specified

// |port|. Returns true on success, false on failure (e.g. |port| is bound by

// another socket). |socket| may not be NULL.

// |port| and the loopback IPv4 address. Returns true on success, false on

// failure (e.g. |port| is bound by another socket). |socket| may not be NULL.

bool socket_listen(const socket_t *socket, port_t port);

// Blocks on a listening socket, |socket|, until a client connects to it. Returns

#include "osi/include/reactor.h"

#include "osi/include/socket.h"

// The IPv4 loopback address: 127.0.0.1

static const in_addr_t LOCALHOST_ = 0x7f000001;

struct socket_t {

  int fd;

  reactor_object_t *reactor_object;

  struct sockaddr_in addr;

  addr.sin_family = AF_INET;

  addr.sin_addr.s_addr = 0;

  addr.sin_addr.s_addr = htonl(LOCALHOST_);

  addr.sin_port = htons(port);

  if (bind(socket->fd, (struct sockaddr *)&addr, sizeof(addr)) == -1) {

    LOG_ERROR("%s unable to bind socket to port %u: %s", __func__, port, strerror(errno));