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crate::ix!();
impl ProcessMessages for PeerManager {
fn process_messages(
self: Arc<Self>,
mut pfrom: &mut AmoWriteGuard<Box<dyn NodeInterface>>,
interrupt_msg_proc: &AtomicBool) -> bool {
let mut more_work: bool = false;
let peer: Amo<Peer> = self.get_peer_ref((*pfrom).get_id());
if peer.is_none() {
return false;
}
{
let guard = peer.get();
let mut getdata_requests = guard.getdata_requests.lock();
if !getdata_requests.is_empty() {
self.clone().process_get_data(
pfrom,
peer.clone(),
interrupt_msg_proc
);
}
}
{
let mut guard_main = CS_MAIN.lock();
let mut guard_orphans = G_CS_ORPHANS.lock();
if !peer.get().orphan_work_set.is_empty() {
self.clone().process_orphan_tx(
&mut *peer.get_mut().orphan_work_set
);
}
}
if (*pfrom).marked_for_disconnect() {
return false;
}
// this maintains the order of responses
// and prevents m_getdata_requests to grow unbounded
{
let peer = peer.get();
let mut guard = peer.getdata_requests.lock();
if !guard.is_empty() {
return true;
}
}
{
let mut guard = G_CS_ORPHANS.lock();
if !peer.get().orphan_work_set.is_empty() {
return true;
}
}
// Don't bother if send buffer is too full to respond anyway
if (*pfrom).send_paused() {
return false;
}
let mut msgs: Vec<NetMessage> = vec![];
{
let mut guard = (*pfrom).lock_v_process_msg();
if guard.process_msg.is_empty() {
return false;
}
// Just take one message
msgs.splice(0..0, guard.process_msg.drain(0..=0));
let raw_msg_size: usize
= msgs.first().unwrap()
.raw_message_size
.try_into().unwrap();
(*pfrom).decrement_n_process_queue_size(
raw_msg_size
);
let receive_flood_size: usize
= self.connman.get()
.get_receive_flood_size()
.try_into().unwrap();
let process_queue_size: usize
= (*pfrom).get_n_process_queue_size();
(*pfrom).set_pause_recv(
process_queue_size > receive_flood_size
);
more_work = !guard.process_msg.is_empty();
}
let msg: &mut NetMessage = msgs.first_mut().unwrap();
trace6!(
net,
inbound_message,
(*pfrom).get_id(),
(*pfrom).addr_name.str_(),
(*pfrom).connection_type_as_string().str_(),
msg.command.str_(),
msg.recv.size(),
msg.recv.data()
);
if G_ARGS.lock().get_bool_arg("-capturemessages", false) {
capture_message(
(*pfrom).addr(),
&msg.command,
msg.recv.as_slice(),
/* incoming */ true
);
}
msg.set_version((*pfrom).get_common_version());
let msg_type: &str = &msg.command;
// Message size
let n_message_size: u32 = msg.message_size;
let mut try_block = || -> TryBlockResult::<_,StdException> {
self.process_message(
pfrom,
&msg_type.to_string(),
&mut msg.recv,
msg.time.as_ref().unwrap(),
interrupt_msg_proc
);
if interrupt_msg_proc.load(atomic::Ordering::Relaxed) {
return TryBlockResult::Return(false);
}
{
let peer = peer.get();
let mut guard = peer.getdata_requests.lock();
if !guard.is_empty() {
more_work = true;
}
}
TryBlockResult::Success
};
match try_block() {
TryBlockResult::Return(v) => return v,
TryBlockResult::Err(e) => {
match e {
StdException::Default { what:e } => {
log_print!(
LogFlags::NET,
"%s(%s, %u bytes): Exception '%s' (%s) caught\n",
func,
sanitize_string(msg_type),
n_message_size,
e.what(),
e.type_id().name()
);
}
_ => {
log_print!(
LogFlags::NET,
"%s(%s, %u bytes): Unknown exception caught\n",
func,
sanitize_string(msg_type),
n_message_size
);
}
}
},
TryBlockResult::Success => { }
TryBlockResult::Break => { }
}
more_work
}
}