feat: decision engine migration to CID (just missing one test)

ipfs · Dec 11, 2016 · fdac00f · fdac00f
1 parent 89d922e
commit fdac00f
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Showing 15 changed files with 83 additions and 100 deletions.
diff --git a/src/components/decision/engine.js → src/components/decision-engine/index.js b/src/components/decision/engine.js → src/components/decision-engine/index.js
@@ -7,6 +7,7 @@ const whilst = require('async/whilst')
 const setImmediate = require('async/setImmediate')
 const each = require('async/each')
 const debounce = require('lodash.debounce')
+const CID = require('cids')
 
 const log = debug('bitswap:engine')
 log.error = debug('bitswap:engine:error')
@@ -16,7 +17,7 @@ const Wantlist = require('../../types/wantlist')
 const PeerRequestQueue = require('./peer-request-queue')
 const Ledger = require('./ledger')
 
-module.exports = class Engine {
+class DecisionEngine {
   constructor (blockstore, network) {
     this.blockstore = blockstore
     this.network = network
@@ -35,6 +36,7 @@ module.exports = class Engine {
 
   _sendBlock (env, cb) {
     const msg = new Message(false)
+
     msg.addBlock(env.block, (err) => {
       if (err) {
         return cb(err)
@@ -69,7 +71,7 @@ module.exports = class Engine {
         log('got task')
 
         pull(
-          this.blockstore.getStream(nextTask.entry.key),
+          this.blockstore.getStream(nextTask.entry.cid),
           pull.collect((err, blocks) => {
             const block = blocks[0]
             if (err || !block) {
@@ -91,11 +93,12 @@ module.exports = class Engine {
   }
 
   wantlistForPeer (peerId) {
-    if (!this.ledgerMap.has(peerId.toB58String())) {
+    const peerIdStr = peerId.toB58String()
+    if (!this.ledgerMap.has(peerIdStr)) {
       return new Map()
     }
 
-    return this.ledgerMap.get(peerId.toB58String()).wantlist.sortedEntries()
+    return this.ledgerMap.get(peerIdStr).wantlist.sortedEntries()
   }
 
   peers () {
@@ -138,41 +141,42 @@ module.exports = class Engine {
     })
   }
 
-  receivedBlock (key) {
-    this._processBlock(key)
+  receivedBlock (cid) {
+    this._processBlock(cid)
     this._outbox()
   }
 
-  _processBlock (key) {
+  _processBlock (cid) {
     // Check all connected peers if they want the block we received
     for (let l of this.ledgerMap.values()) {
-      const entry = l.wantlistContains(key)
+      const entry = l.wantlistContains(cid)
       if (entry) {
         this.peerRequestQueue.push(entry, l.partner)
       }
     }
   }
 
-  _processWantlist (ledger, peerId, entry, cb) {
+  _processWantlist (ledger, peerId, entry, callback) {
+    const cidStr = entry.cid.toBaseEncodedString()
     if (entry.cancel) {
-      log('cancel %s', mh.toB58String(entry.key))
-      ledger.cancelWant(entry.key)
-      this.peerRequestQueue.remove(entry.key, peerId)
-      setImmediate(() => cb())
+      log('cancel %s', cidStr)
+      ledger.cancelWant(entry.cid)
+      this.peerRequestQueue.remove(entry.cid, peerId)
+      setImmediate(() => callback())
     } else {
-      log('wants %s - %s', mh.toB58String(entry.key), entry.priority)
-      ledger.wants(entry.key, entry.priority)
+      log('wants %s - %s', cidStr, entry.priority)
+      ledger.wants(entry.cid, entry.priority)
 
       // If we already have the block, serve it
-      this.blockstore.has(entry.key, (err, exists) => {
+      this.blockstore.has(entry.cid, (err, exists) => {
         if (err) {
-          log('failed existence check %s', mh.toB58String(entry.key))
+          log('failed existence check %s', cidStr)
         } else if (exists) {
-          log('has want %s', mh.toB58String(entry.key))
+          log('has want %s', cidStr)
           this.peerRequestQueue.push(entry.entry, peerId)
           this._outbox()
         }
-        cb()
+        callback()
       })
     }
   }
@@ -183,10 +187,11 @@ module.exports = class Engine {
         if (err) {
           return cb(err)
         }
-        log('got block %s (%s bytes)', mh.toB58String(key), block.data.length)
+        const cid = new CID(key)
+        const cidStr = cid.toBaseEncodedString()
+        log('got block %s (%s bytes)', cidStr, block.data.length)
         ledger.receivedBytes(block.data.length)
-
-        this.receivedBlock(key)
+        this.receivedBlock(cid)
         cb()
       })
     }, callback)
@@ -201,9 +206,10 @@ module.exports = class Engine {
         if (err) {
           return cb(err)
         }
+        const cid = new CID(key)
 
-        ledger.wantlist.remove(key)
-        this.peerRequestQueue.remove(key, peerId)
+        ledger.wantlist.remove(cid)
+        this.peerRequestQueue.remove(cid, peerId)
         cb()
       })
     }, callback)
@@ -223,16 +229,18 @@ module.exports = class Engine {
     // }
     //
     // TODO: figure out how to remove all other references
-    // in the peerrequestqueue
+    // in the peer request queue
   }
 
   _findOrCreate (peerId) {
-    if (this.ledgerMap.has(peerId.toB58String())) {
-      return this.ledgerMap.get(peerId.toB58String())
+    const peerIdStr = peerId.toB58String()
+    if (this.ledgerMap.has(peerIdStr)) {
+      return this.ledgerMap.get(peerIdStr)
     }
 
     const l = new Ledger(peerId)
-    this.ledgerMap.set(peerId.toB58String(), l)
+
+    this.ledgerMap.set(peerIdStr, l)
 
     return l
   }
@@ -245,3 +253,5 @@ module.exports = class Engine {
     this._running = false
   }
 }
+
+module.exports = DecisionEngine
diff --git a/src/components/decision/ledger.js → src/components/decision-engine/ledger.js b/src/components/decision/ledger.js → src/components/decision-engine/ledger.js
diff --git a/...sion/peer-request-queue/active-partner.js → ...gine/peer-request-queue/active-partner.js b/...sion/peer-request-queue/active-partner.js → ...gine/peer-request-queue/active-partner.js
diff --git a/...ents/decision/peer-request-queue/index.js → ...cision-engine/peer-request-queue/index.js b/...ents/decision/peer-request-queue/index.js → ...cision-engine/peer-request-queue/index.js
diff --git a/...n/peer-request-queue/peer-request-task.js → ...e/peer-request-queue/peer-request-task.js b/...n/peer-request-queue/peer-request-task.js → ...e/peer-request-queue/peer-request-task.js
diff --git a/...nents/decision/peer-request-queue/util.js → ...ecision-engine/peer-request-queue/util.js b/...nents/decision/peer-request-queue/util.js → ...ecision-engine/peer-request-queue/util.js
diff --git a/src/components/decision/priority-queue.js → ...ponents/decision-engine/priority-queue.js b/src/components/decision/priority-queue.js → ...ponents/decision-engine/priority-queue.js
diff --git a/src/components/decision/index.js b/src/components/decision/index.js
diff --git a/src/index.js b/src/index.js
@@ -16,7 +16,7 @@ const Block = require('ipfs-block')
 const CONSTANTS = require('./constants')
 const WantManager = require('./components/want-manager')
 const Network = require('./components/network')
-const decision = require('./components/decision')
+const DecisionEngine = require('./components/decision-engine')
 
 class Bitswap {
   constructor (id, libp2p, blockstore, peerBook) {
@@ -29,7 +29,7 @@ class Bitswap {
     // local database
     this.blockstore = blockstore
 
-    this.engine = new decision.Engine(blockstore, this.network)
+    this.engine = new DecisionEngine(blockstore, this.network)
 
     // handle message sending
     this.wm = new WantManager(this.network)

diff --git a/test/browser.js b/test/browser.js
@@ -65,4 +65,4 @@ const repo = {
 }
 
 require('./index-test')(repo)
-require('./components/decision/engine-test')(repo)
+require('./components/decision-engine/index-test')(repo)
diff --git a/test/components/decision/engine-test.js → .../components/decision-engine/index-test.js b/test/components/decision/engine-test.js → .../components/decision-engine/index-test.js
@@ -12,33 +12,31 @@ const map = require('async/map')
 const eachSeries = require('async/eachSeries')
 const pull = require('pull-stream')
 const paramap = require('pull-paramap')
+const CID = require('cids')
 
 const Message = require('../../../src/types/message')
-const Engine = require('../../../src/components/decision/engine')
+const DecisionEngine = require('../../../src/components/decision-engine')
 
 const mockNetwork = require('../../utils').mockNetwork
 
 module.exports = (repo) => {
-  function newEngine (id, done) {
+  function newEngine (path, done) {
     parallel([
-      (cb) => repo.create(id, cb),
+      (cb) => repo.create(path, cb),
       (cb) => PeerId.create(cb)
     ], (err, results) => {
       if (err) {
         return done(err)
       }
       const blockstore = results[0].blockstore
-      const engine = new Engine(blockstore, mockNetwork())
+      const engine = new DecisionEngine(blockstore, mockNetwork())
       engine.start()
 
-      done(null, {
-        peer: results[1],
-        engine
-      })
+      done(null, { peer: results[1], engine })
     })
   }
 
-  describe.skip('Engine', () => {
+  describe('Engine', () => {
     afterEach((done) => {
       repo.remove(done)
     })
@@ -61,40 +59,30 @@ module.exports = (repo) => {
           }),
           paramap((block, cb) => {
             const m = new Message(false)
-            m.addBlock(block, (err) => {
+            block.key((err, key) => {
               if (err) {
                 return cb(err)
               }
+              const cid = new CID(key)
+              m.addBlock(cid, block)
               sender.engine.messageSent(receiver.peer, m)
               receiver.engine.messageReceived(sender.peer, m, cb)
             })
           }, 100),
           pull.onEnd((err) => {
             expect(err).to.not.exist
 
-            expect(
-              sender.engine.numBytesSentTo(receiver.peer)
-            ).to.be.above(
-              0
-            )
-
-            expect(
-              sender.engine.numBytesSentTo(receiver.peer)
-            ).to.be.eql(
-              receiver.engine.numBytesReceivedFrom(sender.peer)
-            )
-
-            expect(
-              receiver.engine.numBytesSentTo(sender.peer)
-            ).to.be.eql(
-              0
-            )
-
-            expect(
-              sender.engine.numBytesReceivedFrom(receiver.peer)
-            ).to.be.eql(
-              0
-            )
+            expect(sender.engine.numBytesSentTo(receiver.peer))
+              .to.be.above(0)
+
+            expect(sender.engine.numBytesSentTo(receiver.peer))
+              .to.eql(receiver.engine.numBytesReceivedFrom(sender.peer))
+
+            expect(receiver.engine.numBytesSentTo(sender.peer))
+              .to.eql(0)
+
+            expect(sender.engine.numBytesReceivedFrom(receiver.peer))
+              .to.eql(0)
 
             done()
           })
@@ -110,37 +98,27 @@ module.exports = (repo) => {
         expect(err).to.not.exist
 
         const sanfrancisco = res[0]
-        const seatlle = res[1]
+        const seattle = res[1]
 
         const m = new Message(true)
 
-        sanfrancisco.engine.messageSent(seatlle.peer, m)
-        seatlle.engine.messageReceived(sanfrancisco.peer, m, (err) => {
+        sanfrancisco.engine.messageSent(seattle.peer, m)
+        seattle.engine.messageReceived(sanfrancisco.peer, m, (err) => {
           expect(err).to.not.exist
 
-          expect(
-            seatlle.peer.toHexString()
-          ).to.not.be.eql(
-            sanfrancisco.peer.toHexString()
-          )
-
-          expect(
-            sanfrancisco.engine.peers()
-          ).to.include(
-            seatlle.peer
-          )
-
-          expect(
-            seatlle.engine.peers()
-          ).to.include(
-            sanfrancisco.peer
-          )
+          expect(seattle.peer.toHexString())
+            .to.not.eql(sanfrancisco.peer.toHexString())
+
+          expect(sanfrancisco.engine.peers()).to.include(seattle.peer)
+
+          expect(seattle.engine.peers())
+            .to.include(sanfrancisco.peer)
           done()
         })
       })
     })
 
-    it('partner wants then cancels', (done) => {
+    it.skip('partner wants then cancels', (done) => {
       const numRounds = 10
       const alphabet = 'abcdefghijklmnopqrstuvwxyz'.split('')
       const vowels = 'aeiou'.split('')
@@ -160,7 +138,7 @@ module.exports = (repo) => {
               if (err) {
                 return cb(err)
               }
-              cb(null, {data: block.data, key: key})
+              cb(null, { data: block.data, key: key })
             })
           }),
           repo.blockstore.putStream(),
@@ -173,7 +151,7 @@ module.exports = (repo) => {
               map(blocks, (b, cb) => b.key(cb), (err, keys) => {
                 expect(err).to.not.exist
                 blocks.forEach((b, i) => {
-                  add.addEntry(keys[i], Math.pow(2, 32) - 1 - i)
+                  add.addEntry(new CID(keys[i]), Math.pow(2, 32) - 1 - i)
                 })
 
                 e.messageReceived(p, add, cb)
@@ -185,7 +163,7 @@ module.exports = (repo) => {
               const blocks = keys.map((k) => new Block(k))
               map(blocks, (b, cb) => b.key(cb), (err, keys) => {
                 expect(err).to.not.exist
-                keys.forEach((k) => cancels.cancel(k))
+                keys.forEach((k) => cancels.cancel(new CID(k)))
                 e.messageReceived(p, cancels, cb)
               })
             }
@@ -206,11 +184,11 @@ module.exports = (repo) => {
 
                 const network = mockNetwork(keeps.length, (res) => {
                   const msgs = stringifyMessages(res.messages)
-                  expect(msgs).to.be.eql(keeps)
+                  expect(msgs).to.eql(keeps)
                   innerCb()
                 })
 
-                const e = new Engine(repo.blockstore, network)
+                const e = new DecisionEngine(repo.blockstore, network)
                 e.start()
                 let partner
                 series([
@@ -224,7 +202,7 @@ module.exports = (repo) => {
                   (cb) => partnerWants(e, set, partner, cb),
                   (cb) => partnerCancels(e, cancels, partner, cb)
                 ], (err) => {
-                  if (err) throw err
+                  expect(err).to.not.exist
                 })
               }, cb)
             }, done)

diff --git a/test/components/decision/ledger.spec.js → ...components/decision-engine/ledger.spec.js b/test/components/decision/ledger.spec.js → ...components/decision-engine/ledger.spec.js
@@ -4,7 +4,7 @@
 const expect = require('chai').expect
 const PeerId = require('peer-id')
 
-const Ledger = require('../../../src/components/decision/ledger')
+const Ledger = require('../../../src/components/decision-engine/ledger')
 
 describe('Ledger', () => {
   let peerId