//
// Unix Domain Socket (UDS) Server
//

#include "netlib.h"
#include <sys/un.h>

int uds_server( const char *file )
{
  unsigned int s;
  struct sockaddr_un local;
  int len;

  // socket
  s = socket(AF_UNIX, SOCK_STREAM, 0);
  if (s < 0)
  {
    log_error("uds_server");
    return -1;
  }

  // bind
  local.sun_family = AF_UNIX;  /* local is declared before socket() ^ */
  strcpy(local.sun_path, file);
  unlink(local.sun_path);
  len = strlen(local.sun_path) + sizeof(local.sun_family);
  if (bind(s, (struct sockaddr *)&local, len) < 0) {
    close(s);
    log_error("uds_server");
    return -1;
  }

  // listen
  if (listen(s, 10) < 0) {
    close(s);
    log_error("uds_server");
  }

  return s;
}

int uds_accept( const int s )
{
  struct sockaddr_un remote;
  socklen_t len = sizeof(struct sockaddr_un);
  int s2 = accept(s, (struct sockaddr *)&remote, &len);
  return s2;
}