static void handle_channel_msg(void * x) {
Trap trap;
ChannelNP * c = (ChannelNP *)x;
int has_msg;
assert(is_dispatch_thread());
assert(c->magic == CHANNEL_MAGIC);
assert(c->ibuf.handling_msg == HandleMsgTriggered);
assert(c->ibuf.message_count);
has_msg = ibuf_start_message(&c->ibuf);
if (has_msg <= 0) {
if (has_msg < 0 && c->chan.state != ChannelStateDisconnected) {
trace(LOG_PROTOCOL, "Socket is shutdown by remote peer, channel %#lx %s", c, c->chan.peer_name);
channel_close(&c->chan);
}
}
else if (set_trap(&trap)) {
if (c->chan.receive) {
c->chan.receive(&c->chan);
}
else {
handle_protocol_message(&c->chan);
assert(c->out_bin_block == NULL);
}
clear_trap(&trap);
}
else {
trace(LOG_ALWAYS, "Exception in message handler: %s", errno_to_str(trap.error));
send_eof_and_close(&c->chan, trap.error);
}
}
static void channel_receive(Channel * c) {
struct channel_extra *ce = (struct channel_extra *)c->client_data;
lua_State *L = ce->L;
trace(LOG_LUA, "lua_channel_receive %p", c);
if(ce->receive_cbrefp != NULL) {
lua_rawgeti(L, LUA_REGISTRYINDEX, ce->receive_cbrefp->ref);
if(lua_pcall(L, 0, 0, 0) != 0) {
fprintf(stderr, "%s\n", lua_tostring(L,1));
exit(1);
}
}
handle_protocol_message(c);
}
static void proxy_receive(Channel * c) {
Proxy * proxy = c->client_data;
handle_protocol_message(proxy->proto, c);
}