static PortServer * find_port_server(const char * id) {
LINK * qhp = &server_list;
LINK * qp = qhp->next;
while (qp != qhp) {
PortServer * server = link2server(qp);
if (strcmp(server->id, id) == 0) return server;
qp = qp->next;
}
return NULL;
}
static void port_connection_open_event(void * arg) {
LINK * qhp = &server_list;
LINK * qp = qhp->next;
while (qp != qhp) {
PortServer * server = link2server(qp);
if (server == (PortServer *)arg) {
port_connection_open(server, server->is_udp ? server->sock : -1);
}
qp = qp->next;
}
}
static void event_channel_closed(Channel * c) {
LINK * qhp = &server_list;
LINK * qp = qhp->next;
while (qp != qhp) {
PortServer * server = link2server(qp);
qp = qp->next;
if (server->channel == c) {
port_server_shutdown(server);
}
}
}
int destroy_port_server(PortServer * server) {
LINK * qhp = &server_list;
LINK * qp = qhp->next;
while (qp != qhp) {
if (server == (PortServer *)link2server(qp)) break;
qp = qp->next;
}
if (qp == qp->next) {
errno = EINVAL;
return -1;
}
port_server_shutdown(server);
return 0;
}
int get_port_server_info(PortServer * server, PortServerInfo * info) {
LINK * qhp = &server_list;
LINK * qp = qhp->next;
while (qp != qhp) {
if (server == (PortServer *)link2server(qp)) break;
qp = qp->next;
}
if (qp == qp->next) {
errno = EINVAL;
return -1;
}
info->is_udp = server->is_udp;
info->port = server->local_port;
return 0;
}
static void port_server_cmd_list(char * token, Channel * c) {
LINK * qhp = &server_list;
LINK * qp = qhp->next;
int cnt = 0;
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
write_errno(&c->out, 0);
write_stream(&c->out, '[');
while (qp != qhp) {
PortServer * server = link2server(qp);
if (cnt > 0) write_stream(&c->out, ',');
json_write_string(&c->out, server->id);
qp = qp->next;
cnt++;
}
write_stream(&c->out, ']');
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
}