void handle_event(int epfd, struct epoll_event ev) {
struct fdinfo *fdinfo = ev.data.ptr;
switch (fdinfo->type) {
case LSOCK:
accept_one(epfd, fdinfo->fd);
break;
case CLIENT:
print_event(fdinfo->fd, ev);
if (ev.events & EPOLLHUP) {
kill_cli(epfd, fdinfo);
return;
}
if (ev.events & EPOLLIN) {
handle_cli(fdinfo);
}
if (ev.events & EPOLLRDHUP) {
handle_cli(fdinfo);
kill_cli(epfd, fdinfo);
return;
}
break;
}
}
void cli_thread_function()
{
SWSS_LOG_ENTER();
cli_server_socket = socket(AF_INET, SOCK_STREAM, 0);
if (cli_server_socket < 0)
{
SWSS_LOG_ERROR("open socket failed, errno: %s", strerror(errno));
return;
}
struct sockaddr_in serv_addr;
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
serv_addr.sin_port = htons(CLI_PORT);
if (bind(cli_server_socket, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) != 0)
{
SWSS_LOG_ERROR("bind socket failed, errno: %s", strerror(errno));
close(cli_server_socket);
return;
}
const int backlog = 5;
if (listen(cli_server_socket, backlog) != 0)
{
SWSS_LOG_ERROR("listen on socket failed, errno: %s", strerror(errno));
close(cli_server_socket);
return;
}
while (run_cli)
{
struct sockaddr_in cli_addr;
memset(&cli_addr, 0, sizeof(cli_addr));
socklen_t clilen = sizeof(cli_addr);
SWSS_LOG_NOTICE("accepting connections for cli");
cli_client_socket = accept(cli_server_socket, (struct sockaddr *) &cli_addr, &clilen);
if (cli_client_socket < 0)
{
// don't log when run is false, that's mean we closed socket
if (run_cli)
{
SWSS_LOG_ERROR("accept failed, errno: %s", strerror(errno));
}
break;
}
SWSS_LOG_NOTICE("client connected to cli");
// we allow only 1 connection at given time
handle_cli();
close(cli_client_socket);
}
close(cli_server_socket);
}
