Merge branch 'master' into tx_queue_integration
This commit is contained in:
Tomasz Drwięga
commit
b0ac103900
@ -193,6 +193,8 @@ pub struct ClientReport {
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pub transactions_applied: usize,
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/// How much gas has been processed so far.
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pub gas_processed: U256,
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/// Memory used by state DB
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pub state_db_mem: usize,
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}
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impl ClientReport {
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@ -225,7 +227,7 @@ pub struct Client<V = CanonVerifier> where V: Verifier {
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}
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const HISTORY: u64 = 1000;
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const CLIENT_DB_VER_STR: &'static str = "4.0";
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const CLIENT_DB_VER_STR: &'static str = "5.1";
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impl Client<CanonVerifier> {
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/// Create a new client with given spec and DB path.
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@ -439,7 +441,9 @@ impl<V> Client<V> where V: Verifier {
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/// Get the report.
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pub fn report(&self) -> ClientReport {
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self.report.read().unwrap().clone()
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let mut report = self.report.read().unwrap().clone();
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report.state_db_mem = self.state_db.lock().unwrap().mem_used();
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report
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}
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/// Tick the client.
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@ -395,7 +395,7 @@ impl Informant {
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let sync_info = sync.status();
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if let (_, _, &Some(ref last_report)) = (self.chain_info.read().unwrap().deref(), self.cache_info.read().unwrap().deref(), self.report.read().unwrap().deref()) {
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println!("[ #{} {} ]---[ {} blk/s | {} tx/s | {} gas/s //··· {}/{} peers, #{}, {}+{} queued ···// mem: {} chain, {} queue, {} sync ]",
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println!("[ #{} {} ]---[ {} blk/s | {} tx/s | {} gas/s //··· {}/{} peers, #{}, {}+{} queued ···// mem: {} db, {} chain, {} queue, {} sync ]",
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chain_info.best_block_number,
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chain_info.best_block_hash,
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(report.blocks_imported - last_report.blocks_imported) / dur,
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@ -408,6 +408,7 @@ impl Informant {
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queue_info.unverified_queue_size,
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queue_info.verified_queue_size,
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Informant::format_bytes(report.state_db_mem),
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Informant::format_bytes(cache_info.total()),
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Informant::format_bytes(queue_info.mem_used),
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Informant::format_bytes(sync_info.mem_used),
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@ -582,7 +582,7 @@ impl ChainSync {
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pub fn on_peer_connected(&mut self, io: &mut SyncIo, peer: PeerId) {
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trace!(target: "sync", "== Connected {}", peer);
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if let Err(e) = self.send_status(io) {
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warn!(target:"sync", "Error sending status request: {:?}", e);
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trace!(target:"sync", "Error sending status request: {:?}", e);
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io.disable_peer(peer);
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}
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}
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@ -25,10 +25,7 @@ use kvdb::{Database, DBTransaction, DatabaseConfig};
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use std::env;
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/// Implementation of the HashDB trait for a disk-backed database with a memory overlay
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/// and, possibly, latent-removal semantics.
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///
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/// If `counters` is `None`, then it behaves exactly like OverlayDB. If not it behaves
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/// differently:
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/// and latent-removal semantics.
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///
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/// Like OverlayDB, there is a memory overlay; `commit()` must be called in order to
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/// write operations out to disk. Unlike OverlayDB, `remove()` operations do not take effect
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@ -60,7 +57,6 @@ const DB_VERSION_NO_JOURNAL : u32 = 3 + 256;
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const PADDING : [u8; 10] = [ 0u8; 10 ];
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impl JournalDB {
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/// Create a new instance from file
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pub fn new(path: &str) -> JournalDB {
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Self::from_prefs(path, true)
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@ -149,6 +145,87 @@ impl JournalDB {
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Ok(ret as u32)
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}
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fn morph_key(key: &H256, index: u8) -> Bytes {
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let mut ret = key.bytes().to_owned();
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ret.push(index);
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ret
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}
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// The next three are valid only as long as there is an insert operation of `key` in the journal.
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fn set_already_in(batch: &DBTransaction, key: &H256) { batch.put(&Self::morph_key(key, 0), &[1u8]).expect("Low-level database error. Some issue with your hard disk?"); }
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fn reset_already_in(batch: &DBTransaction, key: &H256) { batch.delete(&Self::morph_key(key, 0)).expect("Low-level database error. Some issue with your hard disk?"); }
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fn is_already_in(backing: &Database, key: &H256) -> bool {
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backing.get(&Self::morph_key(key, 0)).expect("Low-level database error. Some issue with your hard disk?").is_some()
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}
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fn insert_keys(inserts: &Vec<(H256, Bytes)>, backing: &Database, counters: &mut HashMap<H256, i32>, batch: &DBTransaction) {
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for &(ref h, ref d) in inserts {
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if let Some(c) = counters.get_mut(h) {
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// already counting. increment.
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*c += 1;
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continue;
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}
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// this is the first entry for this node in the journal.
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if backing.get(&h.bytes()).expect("Low-level database error. Some issue with your hard disk?").is_some() {
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// already in the backing DB. start counting, and remember it was already in.
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Self::set_already_in(batch, &h);
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counters.insert(h.clone(), 1);
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continue;
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}
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// Gets removed when a key leaves the journal, so should never be set when we're placing a new key.
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//Self::reset_already_in(&h);
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assert!(!Self::is_already_in(backing, &h));
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batch.put(&h.bytes(), d).expect("Low-level database error. Some issue with your hard disk?");
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}
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}
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fn replay_keys(inserts: &Vec<H256>, backing: &Database, counters: &mut HashMap<H256, i32>) {
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println!("replay_keys: inserts={:?}, counters={:?}", inserts, counters);
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for h in inserts {
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if let Some(c) = counters.get_mut(h) {
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// already counting. increment.
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*c += 1;
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continue;
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}
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// this is the first entry for this node in the journal.
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// it is initialised to 1 if it was already in.
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if Self::is_already_in(backing, h) {
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println!("replace_keys: Key {} was already in!", h);
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counters.insert(h.clone(), 1);
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}
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}
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println!("replay_keys: (end) counters={:?}", counters);
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}
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fn kill_keys(deletes: Vec<H256>, counters: &mut HashMap<H256, i32>, batch: &DBTransaction) {
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for h in deletes.into_iter() {
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let mut n: Option<i32> = None;
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if let Some(c) = counters.get_mut(&h) {
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if *c > 1 {
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*c -= 1;
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continue;
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} else {
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n = Some(*c);
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}
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}
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match &n {
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&Some(i) if i == 1 => {
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counters.remove(&h);
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Self::reset_already_in(batch, &h);
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}
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&None => {
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// Gets removed when moving from 1 to 0 additional refs. Should never be here at 0 additional refs.
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//assert!(!Self::is_already_in(db, &h));
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batch.delete(&h.bytes()).expect("Low-level database error. Some issue with your hard disk?");
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}
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_ => panic!("Invalid value in counters: {:?}", n),
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}
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}
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}
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/// Commit all recent insert operations and historical removals from the old era
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/// to the backing database.
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fn commit_with_counters(&mut self, now: u64, id: &H256, end: Option<(u64, H256)>) -> Result<u32, UtilError> {
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@ -159,60 +236,85 @@ impl JournalDB {
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// TODO: store reclaim_period.
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// when we make a new commit, we journal the inserts and removes.
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// for each end_era that we journaled that we are no passing by,
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// we remove all of its removes assuming it is canonical and all
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// of its inserts otherwise.
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// When we make a new commit, we make a journal of all blocks in the recent history and record
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// all keys that were inserted and deleted. The journal is ordered by era; multiple commits can
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// share the same era. This forms a data structure similar to a queue but whose items are tuples.
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// By the time comes to remove a tuple from the queue (i.e. then the era passes from recent history
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// into ancient history) then only one commit from the tuple is considered canonical. This commit
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// is kept in the main backing database, whereas any others from the same era are reverted.
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//
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// It is possible that a key, properly available in the backing database be deleted and re-inserted
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// in the recent history queue, yet have both operations in commits that are eventually non-canonical.
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// To avoid the original, and still required, key from being deleted, we maintain a reference count
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// which includes an original key, if any.
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//
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// The semantics of the `counter` are:
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// insert key k:
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// counter already contains k: count += 1
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// counter doesn't contain k:
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// backing db contains k: count = 1
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// backing db doesn't contain k: insert into backing db, count = 0
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// delete key k:
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// counter contains k (count is asserted to be non-zero):
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// count > 1: counter -= 1
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// count == 1: remove counter
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// count == 0: remove key from backing db
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// counter doesn't contain k: remove key from backing db
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//
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// We also keep reference counters for each key inserted in the journal to handle
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// the following cases where key K must not be deleted from the DB when processing removals :
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// Given H is the journal size in eras, 0 <= C <= H.
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// Key K is removed in era A(N) and re-inserted in canonical era B(N + C).
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// Key K is removed in era A(N) and re-inserted in non-canonical era B`(N + C).
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// Key K is added in non-canonical era A'(N) canonical B(N + C).
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// Practically, this means that for each commit block turning from recent to ancient we do the
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// following:
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// is_canonical:
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// inserts: Ignored (left alone in the backing database).
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// deletes: Enacted; however, recent history queue is checked for ongoing references. This is
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// reduced as a preference to deletion from the backing database.
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// !is_canonical:
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// inserts: Reverted; however, recent history queue is checked for ongoing references. This is
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// reduced as a preference to deletion from the backing database.
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// deletes: Ignored (they were never inserted).
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//
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// The counter is encreased each time a key is inserted in the journal in the commit. The list of insertions
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// is saved with the era record. When the era becomes end_era and goes out of journal the counter is decreased
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// and the key is safe to delete.
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// record new commit's details.
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trace!("commit: #{} ({}), end era: {:?}", now, id, end);
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trace!("commit: #{} ({}), end era: {:?}", now, id, end);
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let mut counters = self.counters.as_ref().unwrap().write().unwrap();
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let batch = DBTransaction::new();
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{
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let mut index = 0usize;
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let mut last;
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while {
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let record = try!(self.backing.get({
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let mut r = RlpStream::new_list(3);
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r.append(&now);
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r.append(&index);
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r.append(&&PADDING[..]);
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last = r.drain();
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&last
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}));
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match record {
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Some(r) => {
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assert!(&Rlp::new(&r).val_at::<H256>(0) != id);
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true
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},
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None => false,
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}
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} {
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while try!(self.backing.get({
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let mut r = RlpStream::new_list(3);
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r.append(&now);
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r.append(&index);
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r.append(&&PADDING[..]);
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last = r.drain();
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&last
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})).is_some() {
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index += 1;
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}
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let drained = self.overlay.drain();
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let removes: Vec<H256> = drained
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.iter()
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.filter_map(|(ref k, &(_, ref c))| if *c < 0 {Some(k.clone())} else {None}).cloned()
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.collect();
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let inserts: Vec<(H256, Bytes)> = drained
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.into_iter()
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.filter_map(|(k, (v, r))| if r > 0 { assert!(r == 1); Some((k, v)) } else { assert!(r >= -1); None })
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.collect();
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let mut r = RlpStream::new_list(3);
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let inserts: Vec<H256> = self.overlay.keys().iter().filter(|&(_, &c)| c > 0).map(|(key, _)| key.clone()).collect();
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// Increase counter for each inserted key no matter if the block is canonical or not.
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for i in &inserts {
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*counters.entry(i.clone()).or_insert(0) += 1;
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}
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let removes: Vec<H256> = self.overlay.keys().iter().filter(|&(_, &c)| c < 0).map(|(key, _)| key.clone()).collect();
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r.append(id);
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r.append(&inserts);
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// Process the new inserts.
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// We use the inserts for three things. For each:
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// - we place into the backing DB or increment the counter if already in;
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// - we note in the backing db that it was already in;
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// - we write the key into our journal for this block;
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r.begin_list(inserts.len());
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inserts.iter().foreach(|&(k, _)| {r.append(&k);});
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r.append(&removes);
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Self::insert_keys(&inserts, &self.backing, &mut counters, &batch);
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try!(batch.put(&last, r.as_raw()));
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try!(batch.put(&LATEST_ERA_KEY, &encode(&now)));
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}
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@ -221,8 +323,6 @@ impl JournalDB {
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if let Some((end_era, canon_id)) = end {
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let mut index = 0usize;
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let mut last;
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let mut to_remove: Vec<H256> = Vec::new();
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let mut canon_inserts: Vec<H256> = Vec::new();
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while let Some(rlp_data) = try!(self.backing.get({
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let mut r = RlpStream::new_list(3);
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r.append(&end_era);
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@ -232,54 +332,19 @@ impl JournalDB {
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&last
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})) {
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let rlp = Rlp::new(&rlp_data);
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let mut inserts: Vec<H256> = rlp.val_at(1);
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JournalDB::decrease_counters(&inserts, &mut counters);
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let inserts: Vec<H256> = rlp.val_at(1);
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let deletes: Vec<H256> = rlp.val_at(2);
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// Collect keys to be removed. These are removed keys for canonical block, inserted for non-canonical
|
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if canon_id == rlp.val_at(0) {
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let mut canon_deletes: Vec<H256> = rlp.val_at(2);
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trace!("Purging nodes deleted from canon: {:?}", canon_deletes);
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to_remove.append(&mut canon_deletes);
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canon_inserts = inserts;
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}
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else {
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trace!("Purging nodes inserted in non-canon: {:?}", inserts);
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to_remove.append(&mut inserts);
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}
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trace!("commit: Delete journal for time #{}.{}: {}, (canon was {}): {} entries", end_era, index, rlp.val_at::<H256>(0), canon_id, to_remove.len());
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Self::kill_keys(if canon_id == rlp.val_at(0) {deletes} else {inserts}, &mut counters, &batch);
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try!(batch.delete(&last));
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index += 1;
|
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}
|
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|
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let canon_inserts = canon_inserts.drain(..).collect::<HashSet<_>>();
|
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// Purge removed keys if they are not referenced and not re-inserted in the canon commit
|
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let mut deletes = 0;
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trace!("Purging filtered nodes: {:?}", to_remove.iter().filter(|h| !counters.contains_key(h) && !canon_inserts.contains(h)).collect::<Vec<_>>());
|
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for h in to_remove.iter().filter(|h| !counters.contains_key(h) && !canon_inserts.contains(h)) {
|
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try!(batch.delete(&h));
|
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deletes += 1;
|
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}
|
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trace!("Total nodes purged: {}", deletes);
|
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trace!("JournalDB: delete journal for time #{}.{}, (canon was {})", end_era, index, canon_id);
|
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}
|
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|
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// Commit overlay insertions
|
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let ret = Self::batch_overlay_insertions(&mut self.overlay, &batch);
|
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try!(self.backing.write(batch));
|
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Ok(ret as u32)
|
||||
}
|
||||
|
||||
|
||||
// Decrease counters for given keys. Deletes obsolete counters
|
||||
fn decrease_counters(keys: &[H256], counters: &mut HashMap<H256, i32>) {
|
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for i in keys.iter() {
|
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let delete_counter = {
|
||||
let cnt = counters.get_mut(i).expect("Missing key counter");
|
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*cnt -= 1;
|
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*cnt == 0
|
||||
};
|
||||
if delete_counter {
|
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counters.remove(i);
|
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}
|
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}
|
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// trace!("JournalDB::commit() deleted {} nodes", deletes);
|
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Ok(0)
|
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}
|
||||
|
||||
fn payload(&self, key: &H256) -> Option<Bytes> {
|
||||
@ -287,7 +352,7 @@ impl JournalDB {
|
||||
}
|
||||
|
||||
fn read_counters(db: &Database) -> HashMap<H256, i32> {
|
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let mut res = HashMap::new();
|
||||
let mut counters = HashMap::new();
|
||||
if let Some(val) = db.get(&LATEST_ERA_KEY).expect("Low-level database error.") {
|
||||
let mut era = decode::<u64>(&val);
|
||||
loop {
|
||||
@ -299,11 +364,10 @@ impl JournalDB {
|
||||
r.append(&&PADDING[..]);
|
||||
&r.drain()
|
||||
}).expect("Low-level database error.") {
|
||||
println!("read_counters: era={}, index={}", era, index);
|
||||
let rlp = Rlp::new(&rlp_data);
|
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let to_add: Vec<H256> = rlp.val_at(1);
|
||||
for h in to_add {
|
||||
*res.entry(h).or_insert(0) += 1;
|
||||
}
|
||||
let inserts: Vec<H256> = rlp.val_at(1);
|
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Self::replay_keys(&inserts, db, &mut counters);
|
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index += 1;
|
||||
};
|
||||
if index == 0 || era == 0 {
|
||||
@ -312,10 +376,15 @@ impl JournalDB {
|
||||
era -= 1;
|
||||
}
|
||||
}
|
||||
trace!("Recovered {} counters", res.len());
|
||||
res
|
||||
trace!("Recovered {} counters", counters.len());
|
||||
counters
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns heap memory size used
|
||||
pub fn mem_used(&self) -> usize {
|
||||
self.overlay.mem_used() + match &self.counters { &Some(ref c) => c.read().unwrap().heap_size_of_children(), &None => 0 }
|
||||
}
|
||||
}
|
||||
|
||||
impl HashDB for JournalDB {
|
||||
fn keys(&self) -> HashMap<H256, i32> {
|
||||
@ -368,6 +437,28 @@ mod tests {
|
||||
use super::*;
|
||||
use hashdb::*;
|
||||
|
||||
#[test]
|
||||
fn insert_same_in_fork() {
|
||||
// history is 1
|
||||
let mut jdb = JournalDB::new_temp();
|
||||
|
||||
let x = jdb.insert(b"X");
|
||||
jdb.commit(1, &b"1".sha3(), None).unwrap();
|
||||
jdb.commit(2, &b"2".sha3(), None).unwrap();
|
||||
jdb.commit(3, &b"1002a".sha3(), Some((1, b"1".sha3()))).unwrap();
|
||||
jdb.commit(4, &b"1003a".sha3(), Some((2, b"2".sha3()))).unwrap();
|
||||
|
||||
jdb.remove(&x);
|
||||
jdb.commit(3, &b"1002b".sha3(), Some((1, b"1".sha3()))).unwrap();
|
||||
let x = jdb.insert(b"X");
|
||||
jdb.commit(4, &b"1003b".sha3(), Some((2, b"2".sha3()))).unwrap();
|
||||
|
||||
jdb.commit(5, &b"1004a".sha3(), Some((3, b"1002a".sha3()))).unwrap();
|
||||
jdb.commit(6, &b"1005a".sha3(), Some((4, b"1003a".sha3()))).unwrap();
|
||||
|
||||
assert!(jdb.exists(&x));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn long_history() {
|
||||
// history is 3
|
||||
@ -488,15 +579,18 @@ mod tests {
|
||||
assert!(jdb.exists(&foo));
|
||||
}
|
||||
|
||||
|
||||
#[test]
|
||||
fn reopen() {
|
||||
let mut dir = ::std::env::temp_dir();
|
||||
dir.push(H32::random().hex());
|
||||
let bar = H256::random();
|
||||
|
||||
let foo = {
|
||||
let mut jdb = JournalDB::new(dir.to_str().unwrap());
|
||||
// history is 1
|
||||
let foo = jdb.insert(b"foo");
|
||||
jdb.emplace(bar.clone(), b"bar".to_vec());
|
||||
jdb.commit(0, &b"0".sha3(), None).unwrap();
|
||||
foo
|
||||
};
|
||||
@ -510,8 +604,68 @@ mod tests {
|
||||
{
|
||||
let mut jdb = JournalDB::new(dir.to_str().unwrap());
|
||||
assert!(jdb.exists(&foo));
|
||||
assert!(jdb.exists(&bar));
|
||||
jdb.commit(2, &b"2".sha3(), Some((1, b"1".sha3()))).unwrap();
|
||||
assert!(!jdb.exists(&foo));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn reopen_remove() {
|
||||
let mut dir = ::std::env::temp_dir();
|
||||
dir.push(H32::random().hex());
|
||||
let bar = H256::random();
|
||||
|
||||
let foo = {
|
||||
let mut jdb = JournalDB::new(dir.to_str().unwrap());
|
||||
// history is 1
|
||||
let foo = jdb.insert(b"foo");
|
||||
jdb.commit(0, &b"0".sha3(), None).unwrap();
|
||||
jdb.commit(1, &b"1".sha3(), Some((0, b"0".sha3()))).unwrap();
|
||||
|
||||
// foo is ancient history.
|
||||
|
||||
jdb.insert(b"foo");
|
||||
jdb.commit(2, &b"2".sha3(), Some((1, b"1".sha3()))).unwrap();
|
||||
foo
|
||||
};
|
||||
|
||||
{
|
||||
let mut jdb = JournalDB::new(dir.to_str().unwrap());
|
||||
jdb.remove(&foo);
|
||||
jdb.commit(3, &b"3".sha3(), Some((2, b"2".sha3()))).unwrap();
|
||||
assert!(jdb.exists(&foo));
|
||||
jdb.remove(&foo);
|
||||
jdb.commit(4, &b"4".sha3(), Some((3, b"3".sha3()))).unwrap();
|
||||
jdb.commit(5, &b"5".sha3(), Some((4, b"4".sha3()))).unwrap();
|
||||
assert!(!jdb.exists(&foo));
|
||||
}
|
||||
}
|
||||
#[test]
|
||||
fn reopen_fork() {
|
||||
let mut dir = ::std::env::temp_dir();
|
||||
dir.push(H32::random().hex());
|
||||
let (foo, bar, baz) = {
|
||||
let mut jdb = JournalDB::new(dir.to_str().unwrap());
|
||||
// history is 1
|
||||
let foo = jdb.insert(b"foo");
|
||||
let bar = jdb.insert(b"bar");
|
||||
jdb.commit(0, &b"0".sha3(), None).unwrap();
|
||||
jdb.remove(&foo);
|
||||
let baz = jdb.insert(b"baz");
|
||||
jdb.commit(1, &b"1a".sha3(), Some((0, b"0".sha3()))).unwrap();
|
||||
|
||||
jdb.remove(&bar);
|
||||
jdb.commit(1, &b"1b".sha3(), Some((0, b"0".sha3()))).unwrap();
|
||||
(foo, bar, baz)
|
||||
};
|
||||
|
||||
{
|
||||
let mut jdb = JournalDB::new(dir.to_str().unwrap());
|
||||
jdb.commit(2, &b"2b".sha3(), Some((1, b"1b".sha3()))).unwrap();
|
||||
assert!(jdb.exists(&foo));
|
||||
assert!(!jdb.exists(&baz));
|
||||
assert!(!jdb.exists(&bar));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -21,6 +21,7 @@ use bytes::*;
|
||||
use rlp::*;
|
||||
use sha3::*;
|
||||
use hashdb::*;
|
||||
use heapsize::*;
|
||||
use std::mem;
|
||||
use std::collections::HashMap;
|
||||
|
||||
@ -143,6 +144,11 @@ impl MemoryDB {
|
||||
}
|
||||
self.raw(key).unwrap()
|
||||
}
|
||||
|
||||
/// Returns the size of allocated heap memory
|
||||
pub fn mem_used(&self) -> usize {
|
||||
self.data.heap_size_of_children()
|
||||
}
|
||||
}
|
||||
|
||||
static NULL_RLP_STATIC: [u8; 1] = [0x80; 1];
|
||||
|
||||
@ -190,25 +190,25 @@ impl Connection {
|
||||
|
||||
/// Register this connection with the IO event loop.
|
||||
pub fn register_socket<Host: Handler>(&self, reg: Token, event_loop: &mut EventLoop<Host>) -> io::Result<()> {
|
||||
trace!(target: "net", "connection register; token={:?}", reg);
|
||||
trace!(target: "network", "connection register; token={:?}", reg);
|
||||
if let Err(e) = event_loop.register(&self.socket, reg, self.interest, PollOpt::edge() | PollOpt::oneshot()) {
|
||||
debug!("Failed to register {:?}, {:?}", reg, e);
|
||||
trace!(target: "network", "Failed to register {:?}, {:?}", reg, e);
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Update connection registration. Should be called at the end of the IO handler.
|
||||
pub fn update_socket<Host: Handler>(&self, reg: Token, event_loop: &mut EventLoop<Host>) -> io::Result<()> {
|
||||
trace!(target: "net", "connection reregister; token={:?}", reg);
|
||||
trace!(target: "network", "connection reregister; token={:?}", reg);
|
||||
event_loop.reregister( &self.socket, reg, self.interest, PollOpt::edge() | PollOpt::oneshot()).or_else(|e| {
|
||||
debug!("Failed to reregister {:?}, {:?}", reg, e);
|
||||
trace!(target: "network", "Failed to reregister {:?}, {:?}", reg, e);
|
||||
Ok(())
|
||||
})
|
||||
}
|
||||
|
||||
/// Delete connection registration. Should be called at the end of the IO handler.
|
||||
pub fn deregister_socket<Host: Handler>(&self, event_loop: &mut EventLoop<Host>) -> io::Result<()> {
|
||||
trace!(target: "net", "connection deregister; token={:?}", self.token);
|
||||
trace!(target: "network", "connection deregister; token={:?}", self.token);
|
||||
event_loop.deregister(&self.socket).ok(); // ignore errors here
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@ -222,7 +222,7 @@ impl Handshake {
|
||||
|
||||
/// Parse, validate and confirm auth message
|
||||
fn read_auth(&mut self, secret: &Secret, data: &[u8]) -> Result<(), UtilError> {
|
||||
trace!(target:"net", "Received handshake auth from {:?}", self.connection.socket.peer_addr());
|
||||
trace!(target:"network", "Received handshake auth from {:?}", self.connection.socket.peer_addr());
|
||||
if data.len() != V4_AUTH_PACKET_SIZE {
|
||||
debug!(target:"net", "Wrong auth packet size");
|
||||
return Err(From::from(NetworkError::BadProtocol));
|
||||
@ -253,7 +253,7 @@ impl Handshake {
|
||||
}
|
||||
|
||||
fn read_auth_eip8(&mut self, secret: &Secret, data: &[u8]) -> Result<(), UtilError> {
|
||||
trace!(target:"net", "Received EIP8 handshake auth from {:?}", self.connection.socket.peer_addr());
|
||||
trace!(target:"network", "Received EIP8 handshake auth from {:?}", self.connection.socket.peer_addr());
|
||||
self.auth_cipher.extend_from_slice(data);
|
||||
let auth = try!(ecies::decrypt(secret, &self.auth_cipher[0..2], &self.auth_cipher[2..]));
|
||||
let rlp = UntrustedRlp::new(&auth);
|
||||
@ -268,7 +268,7 @@ impl Handshake {
|
||||
|
||||
/// Parse and validate ack message
|
||||
fn read_ack(&mut self, secret: &Secret, data: &[u8]) -> Result<(), UtilError> {
|
||||
trace!(target:"net", "Received handshake auth to {:?}", self.connection.socket.peer_addr());
|
||||
trace!(target:"network", "Received handshake auth to {:?}", self.connection.socket.peer_addr());
|
||||
if data.len() != V4_ACK_PACKET_SIZE {
|
||||
debug!(target:"net", "Wrong ack packet size");
|
||||
return Err(From::from(NetworkError::BadProtocol));
|
||||
@ -296,7 +296,7 @@ impl Handshake {
|
||||
}
|
||||
|
||||
fn read_ack_eip8(&mut self, secret: &Secret, data: &[u8]) -> Result<(), UtilError> {
|
||||
trace!(target:"net", "Received EIP8 handshake auth from {:?}", self.connection.socket.peer_addr());
|
||||
trace!(target:"network", "Received EIP8 handshake auth from {:?}", self.connection.socket.peer_addr());
|
||||
self.ack_cipher.extend_from_slice(data);
|
||||
let ack = try!(ecies::decrypt(secret, &self.ack_cipher[0..2], &self.ack_cipher[2..]));
|
||||
let rlp = UntrustedRlp::new(&ack);
|
||||
@ -309,7 +309,7 @@ impl Handshake {
|
||||
|
||||
/// Sends auth message
|
||||
fn write_auth(&mut self, secret: &Secret, public: &Public) -> Result<(), UtilError> {
|
||||
trace!(target:"net", "Sending handshake auth to {:?}", self.connection.socket.peer_addr());
|
||||
trace!(target:"network", "Sending handshake auth to {:?}", self.connection.socket.peer_addr());
|
||||
let mut data = [0u8; /*Signature::SIZE*/ 65 + /*H256::SIZE*/ 32 + /*Public::SIZE*/ 64 + /*H256::SIZE*/ 32 + 1]; //TODO: use associated constants
|
||||
let len = data.len();
|
||||
{
|
||||
@ -336,7 +336,7 @@ impl Handshake {
|
||||
|
||||
/// Sends ack message
|
||||
fn write_ack(&mut self) -> Result<(), UtilError> {
|
||||
trace!(target:"net", "Sending handshake ack to {:?}", self.connection.socket.peer_addr());
|
||||
trace!(target:"network", "Sending handshake ack to {:?}", self.connection.socket.peer_addr());
|
||||
let mut data = [0u8; 1 + /*Public::SIZE*/ 64 + /*H256::SIZE*/ 32]; //TODO: use associated constants
|
||||
let len = data.len();
|
||||
{
|
||||
@ -355,7 +355,7 @@ impl Handshake {
|
||||
|
||||
/// Sends EIP8 ack message
|
||||
fn write_ack_eip8(&mut self) -> Result<(), UtilError> {
|
||||
trace!(target:"net", "Sending EIP8 handshake ack to {:?}", self.connection.socket.peer_addr());
|
||||
trace!(target:"network", "Sending EIP8 handshake ack to {:?}", self.connection.socket.peer_addr());
|
||||
let mut rlp = RlpStream::new_list(3);
|
||||
rlp.append(self.ecdhe.public());
|
||||
rlp.append(&self.nonce);
|
||||
|
||||
@ -170,29 +170,37 @@ pub struct NetworkContext<'s, Message> where Message: Send + Sync + Clone + 'sta
|
||||
io: &'s IoContext<NetworkIoMessage<Message>>,
|
||||
protocol: ProtocolId,
|
||||
sessions: Arc<RwLock<Slab<SharedSession>>>,
|
||||
session: Option<StreamToken>,
|
||||
session: Option<SharedSession>,
|
||||
session_id: Option<StreamToken>,
|
||||
}
|
||||
|
||||
impl<'s, Message> NetworkContext<'s, Message> where Message: Send + Sync + Clone + 'static, {
|
||||
/// Create a new network IO access point. Takes references to all the data that can be updated within the IO handler.
|
||||
fn new(io: &'s IoContext<NetworkIoMessage<Message>>,
|
||||
protocol: ProtocolId,
|
||||
session: Option<StreamToken>, sessions: Arc<RwLock<Slab<SharedSession>>>) -> NetworkContext<'s, Message> {
|
||||
session: Option<SharedSession>, sessions: Arc<RwLock<Slab<SharedSession>>>) -> NetworkContext<'s, Message> {
|
||||
let id = session.as_ref().map(|s| s.lock().unwrap().token());
|
||||
NetworkContext {
|
||||
io: io,
|
||||
protocol: protocol,
|
||||
session_id: id,
|
||||
session: session,
|
||||
sessions: sessions,
|
||||
}
|
||||
}
|
||||
|
||||
fn resolve_session(&self, peer: PeerId) -> Option<SharedSession> {
|
||||
match self.session_id {
|
||||
Some(id) if id == peer => self.session.clone(),
|
||||
_ => self.sessions.read().unwrap().get(peer).cloned(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Send a packet over the network to another peer.
|
||||
pub fn send(&self, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), UtilError> {
|
||||
let session = { self.sessions.read().unwrap().get(peer).cloned() };
|
||||
let session = self.resolve_session(peer);
|
||||
if let Some(session) = session {
|
||||
session.lock().unwrap().deref_mut().send_packet(self.protocol, packet_id as u8, &data).unwrap_or_else(|e| {
|
||||
warn!(target: "network", "Send error: {:?}", e);
|
||||
}); //TODO: don't copy vector data
|
||||
try!(session.lock().unwrap().deref_mut().send_packet(self.protocol, packet_id as u8, &data));
|
||||
try!(self.io.update_registration(peer));
|
||||
} else {
|
||||
trace!(target: "network", "Send: Peer no longer exist")
|
||||
@ -200,14 +208,10 @@ impl<'s, Message> NetworkContext<'s, Message> where Message: Send + Sync + Clone
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Respond to a current network message. Panics if no there is no packet in the context.
|
||||
/// Respond to a current network message. Panics if no there is no packet in the context. If the session is expired returns nothing.
|
||||
pub fn respond(&self, packet_id: PacketId, data: Vec<u8>) -> Result<(), UtilError> {
|
||||
match self.session {
|
||||
Some(session) => self.send(session, packet_id, data),
|
||||
None => {
|
||||
panic!("Respond: Session does not exist")
|
||||
}
|
||||
}
|
||||
assert!(self.session.is_some(), "Respond called without network context");
|
||||
self.send(self.session_id.unwrap(), packet_id, data)
|
||||
}
|
||||
|
||||
/// Send an IO message
|
||||
@ -215,7 +219,6 @@ impl<'s, Message> NetworkContext<'s, Message> where Message: Send + Sync + Clone
|
||||
self.io.message(NetworkIoMessage::User(msg));
|
||||
}
|
||||
|
||||
|
||||
/// Disable current protocol capability for given peer. If no capabilities left peer gets disconnected.
|
||||
pub fn disable_peer(&self, peer: PeerId) {
|
||||
//TODO: remove capability, disconnect if no capabilities left
|
||||
@ -239,7 +242,7 @@ impl<'s, Message> NetworkContext<'s, Message> where Message: Send + Sync + Clone
|
||||
|
||||
/// Returns peer identification string
|
||||
pub fn peer_info(&self, peer: PeerId) -> String {
|
||||
let session = { self.sessions.read().unwrap().get(peer).cloned() };
|
||||
let session = self.resolve_session(peer);
|
||||
if let Some(session) = session {
|
||||
return session.lock().unwrap().info.client_version.clone()
|
||||
}
|
||||
@ -624,7 +627,7 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
|
||||
let mut packet_data: Option<(ProtocolId, PacketId, Vec<u8>)> = None;
|
||||
let mut kill = false;
|
||||
let session = { self.sessions.read().unwrap().get(token).cloned() };
|
||||
if let Some(session) = session {
|
||||
if let Some(session) = session.clone() {
|
||||
let mut s = session.lock().unwrap();
|
||||
match s.readable(io, &self.info.read().unwrap()) {
|
||||
Err(e) => {
|
||||
@ -656,11 +659,11 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
|
||||
}
|
||||
for p in ready_data {
|
||||
let h = self.handlers.read().unwrap().get(p).unwrap().clone();
|
||||
h.connected(&NetworkContext::new(io, p, Some(token), self.sessions.clone()), &token);
|
||||
h.connected(&NetworkContext::new(io, p, session.clone(), self.sessions.clone()), &token);
|
||||
}
|
||||
if let Some((p, packet_id, data)) = packet_data {
|
||||
let h = self.handlers.read().unwrap().get(p).unwrap().clone();
|
||||
h.read(&NetworkContext::new(io, p, Some(token), self.sessions.clone()), &token, packet_id, &data[1..]);
|
||||
h.read(&NetworkContext::new(io, p, session.clone(), self.sessions.clone()), &token, packet_id, &data[1..]);
|
||||
}
|
||||
io.update_registration(token).unwrap_or_else(|e| debug!(target: "network", "Token registration error: {:?}", e));
|
||||
}
|
||||
@ -718,6 +721,7 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
|
||||
let mut to_disconnect: Vec<ProtocolId> = Vec::new();
|
||||
let mut failure_id = None;
|
||||
let mut deregister = false;
|
||||
let mut expired_session = None;
|
||||
match token {
|
||||
FIRST_HANDSHAKE ... LAST_HANDSHAKE => {
|
||||
let handshakes = self.handshakes.write().unwrap();
|
||||
@ -733,6 +737,7 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
|
||||
FIRST_SESSION ... LAST_SESSION => {
|
||||
let sessions = self.sessions.write().unwrap();
|
||||
if let Some(session) = sessions.get(token).cloned() {
|
||||
expired_session = Some(session.clone());
|
||||
let mut s = session.lock().unwrap();
|
||||
if !s.expired() {
|
||||
if s.is_ready() {
|
||||
@ -757,7 +762,7 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
|
||||
}
|
||||
for p in to_disconnect {
|
||||
let h = self.handlers.read().unwrap().get(p).unwrap().clone();
|
||||
h.disconnected(&NetworkContext::new(io, p, Some(token), self.sessions.clone()), &token);
|
||||
h.disconnected(&NetworkContext::new(io, p, expired_session.clone(), self.sessions.clone()), &token);
|
||||
}
|
||||
if deregister {
|
||||
io.deregister_stream(token).expect("Error deregistering stream");
|
||||
|
||||
@ -213,6 +213,9 @@ impl Session {
|
||||
|
||||
/// Send a protocol packet to peer.
|
||||
pub fn send_packet(&mut self, protocol: &str, packet_id: u8, data: &[u8]) -> Result<(), UtilError> {
|
||||
if self.expired() {
|
||||
return Err(From::from(NetworkError::Expired));
|
||||
}
|
||||
let mut i = 0usize;
|
||||
while protocol != self.info.capabilities[i].protocol {
|
||||
i += 1;
|
||||
@ -351,15 +354,15 @@ impl Session {
|
||||
offset += caps[i].packet_count;
|
||||
i += 1;
|
||||
}
|
||||
trace!(target: "net", "Hello: {} v{} {} {:?}", client_version, protocol, id, caps);
|
||||
trace!(target: "network", "Hello: {} v{} {} {:?}", client_version, protocol, id, caps);
|
||||
self.info.client_version = client_version;
|
||||
self.info.capabilities = caps;
|
||||
if self.info.capabilities.is_empty() {
|
||||
trace!("No common capabilities with peer.");
|
||||
trace!(target: "network", "No common capabilities with peer.");
|
||||
return Err(From::from(self.disconnect(DisconnectReason::UselessPeer)));
|
||||
}
|
||||
if protocol != host.protocol_version {
|
||||
trace!("Peer protocol version mismatch: {}", protocol);
|
||||
trace!(target: "network", "Peer protocol version mismatch: {}", protocol);
|
||||
return Err(From::from(self.disconnect(DisconnectReason::UselessPeer)));
|
||||
}
|
||||
self.had_hello = true;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user