make sure all streams are tracked (#422)

* make sure all streams are tracked

* revert unnecesary change

libp2p/muxers/mplex/lpchannel.nim

@@ -35,6 +35,8 @@ const
   MaxWrites = 1024 ##\
     ## Maximum number of in-flight writes - after this, we disconnect the peer
 
+  LPChannelTrackerName* = "LPChannel"
+
 type
   LPChannel* = ref object of BufferStream
     id*: uint64                   # channel id

libp2p/protocols/secure/secure.nim

@@ -20,6 +20,9 @@ export protocol
 logScope:
   topics = "secure"
 
+const
+  SecureConnTrackerName* = "SecureConn"
+
 type
   Secure* = ref object of LPProtocol # base type for secure managers
 

libp2p/stream/bufferstream.nim

@@ -22,36 +22,7 @@ logScope:
   topics = "bufferstream"
 
 const
-  BufferStreamTrackerName* = "libp2p.bufferstream"
-
-type
-  BufferStreamTracker* = ref object of TrackerBase
-    opened*: uint64
-    closed*: uint64
-
-proc setupBufferStreamTracker(): BufferStreamTracker {.gcsafe.}
-
-proc getBufferStreamTracker(): BufferStreamTracker {.gcsafe.} =
-  result = cast[BufferStreamTracker](getTracker(BufferStreamTrackerName))
-  if isNil(result):
-    result = setupBufferStreamTracker()
-
-proc dumpTracking(): string {.gcsafe.} =
-  var tracker = getBufferStreamTracker()
-  result = "Opened buffers: " & $tracker.opened & "\n" &
-           "Closed buffers: " & $tracker.closed
-
-proc leakTransport(): bool {.gcsafe.} =
-  var tracker = getBufferStreamTracker()
-  result = (tracker.opened != tracker.closed)
-
-proc setupBufferStreamTracker(): BufferStreamTracker =
-  result = new BufferStreamTracker
-  result.opened = 0
-  result.closed = 0
-  result.dump = dumpTracking
-  result.isLeaked = leakTransport
-  addTracker(BufferStreamTrackerName, result)
+  BufferStreamTrackerName* = "BufferStream"
 
 type
   BufferStream* = ref object of Connection
@@ -79,7 +50,6 @@ method initStream*(s: BufferStream) =
   s.readQueue = newAsyncQueue[seq[byte]](1)
 
   trace "BufferStream created", s
-  inc getBufferStreamTracker().opened
 
 proc newBufferStream*(timeout: Duration = DefaultConnectionTimeout): BufferStream =
   new result
@@ -169,7 +139,6 @@ method closeImpl*(s: BufferStream): Future[void] =
   if not s.pushedEof: # Potentially wake up reader
     asyncSpawn s.pushEof()
 
-  inc getBufferStreamTracker().closed
   trace "Closed BufferStream", s
 
   procCall Connection(s).closeImpl() # noraises, nocancels

libp2p/stream/chronosstream.nim

@@ -16,6 +16,7 @@ logScope:
 
 const
   DefaultChronosStreamTimeout = 10.minutes
+  ChronosStreamTrackerName* = "ChronosStream"
 
 type
   ChronosStream* = ref object of Connection

libp2p/stream/connection.nim

@@ -19,7 +19,7 @@ logScope:
   topics = "connection"
 
 const
-  ConnectionTrackerName* = "libp2p.connection"
+  ConnectionTrackerName* = "Connection"
   DefaultConnectionTimeout* = 5.minutes
 
 type
@@ -33,35 +33,8 @@ type
     peerInfo*: PeerInfo
     observedAddr*: Multiaddress
 
-  ConnectionTracker* = ref object of TrackerBase
-    opened*: uint64
-    closed*: uint64
-
-proc setupConnectionTracker(): ConnectionTracker {.gcsafe.}
 proc timeoutMonitor(s: Connection) {.async, gcsafe.}
 
-proc getConnectionTracker*(): ConnectionTracker {.gcsafe.} =
-  result = cast[ConnectionTracker](getTracker(ConnectionTrackerName))
-  if isNil(result):
-    result = setupConnectionTracker()
-
-proc dumpTracking(): string {.gcsafe.} =
-  var tracker = getConnectionTracker()
-  result = "Opened conns: " & $tracker.opened & "\n" &
-           "Closed conns: " & $tracker.closed
-
-proc leakTransport(): bool {.gcsafe.} =
-  var tracker = getConnectionTracker()
-  result = (tracker.opened != tracker.closed)
-
-proc setupConnectionTracker(): ConnectionTracker =
-  result = new ConnectionTracker
-  result.opened = 0
-  result.closed = 0
-  result.dump = dumpTracking
-  result.isLeaked = leakTransport
-  addTracker(ConnectionTrackerName, result)
-
 func shortLog*(conn: Connection): string =
   if conn.isNil: "Connection(nil)"
   elif conn.peerInfo.isNil: $conn.oid
@@ -85,15 +58,12 @@ method initStream*(s: Connection) =
         trace "Idle timeout expired, closing connection", s
         s.close()
 
-  inc getConnectionTracker().opened
-
 method closeImpl*(s: Connection): Future[void] =
   # Cleanup timeout timer
   trace "Closing connection", s
   if not isNil(s.timerTaskFut) and not s.timerTaskFut.finished:
     s.timerTaskFut.cancel()
 
-  inc getConnectionTracker().closed
   trace "Closed connection", s
 
   procCall LPStream(s).closeImpl()

libp2p/stream/lpstream.nim

@@ -23,6 +23,9 @@ export oids
 logScope:
   topics = "lpstream"
 
+const
+  LPStreamTrackerName* = "LPStream"
+
 type
   Direction* {.pure.} = enum
     In, Out
@@ -49,6 +52,34 @@ type
   InvalidVarintError* = object of LPStreamError
   MaxSizeError* = object of LPStreamError
 
+  StreamTracker* = ref object of TrackerBase
+    opened*: uint64
+    closed*: uint64
+
+proc setupStreamTracker(name: string): StreamTracker =
+  let tracker = new StreamTracker
+
+  proc dumpTracking(): string {.gcsafe.} =
+    return "Opened " & tracker.id & " :" & $tracker.opened & "\n" &
+            "Closed " & tracker.id & " :" & $tracker.closed
+
+  proc leakTransport(): bool {.gcsafe.} =
+    return (tracker.opened != tracker.closed)
+
+  tracker.id = name
+  tracker.opened = 0
+  tracker.closed = 0
+  tracker.dump = dumpTracking
+  tracker.isLeaked = leakTransport
+  addTracker(name, tracker)
+
+  return tracker
+
+proc getStreamTracker(name: string): StreamTracker {.gcsafe.} =
+  result = cast[StreamTracker](getTracker(name))
+  if isNil(result):
+    result = setupStreamTracker(name)
+
 proc newLPStreamReadError*(p: ref CatchableError): ref CatchableError =
   var w = newException(LPStreamReadError, "Read stream failed")
   w.msg = w.msg & ", originated from [" & $p.name & "] " & p.msg
@@ -92,6 +123,7 @@ method initStream*(s: LPStream) {.base.} =
   s.oid = genOid()
 
   libp2p_open_streams.inc(labelValues = [s.objName, $s.dir])
+  inc getStreamTracker(s.objName).opened
   trace "Stream created", s, objName = s.objName, dir = $s.dir
 
 proc join*(s: LPStream): Future[void] =
@@ -220,6 +252,7 @@ method closeImpl*(s: LPStream): Future[void] {.async, base.} =
   trace "Closing stream", s, objName = s.objName, dir = $s.dir
   s.closeEvent.fire()
   libp2p_open_streams.dec(labelValues = [s.objName, $s.dir])
+  inc getStreamTracker(s.objName).closed
   trace "Closed stream", s, objName = s.objName, dir = $s.dir
 
 method close*(s: LPStream): Future[void] {.base, async.} = # {.raises [Defect].}

tests/helpers.nim

@@ -6,13 +6,18 @@ import ../libp2p/transports/tcptransport
 import ../libp2p/stream/bufferstream
 import ../libp2p/crypto/crypto
 import ../libp2p/stream/lpstream
+import ../libp2p/muxers/mplex/lpchannel
+import ../libp2p/protocols/secure/secure
 
 const
   StreamTransportTrackerName = "stream.transport"
   StreamServerTrackerName = "stream.server"
 
   trackerNames = [
+    LPStreamTrackerName,
     ConnectionTrackerName,
+    LPChannelTrackerName,
+    SecureConnTrackerName,
     BufferStreamTrackerName,
     TcpTransportTrackerName,
     StreamTransportTrackerName,

tests/testbufferstream.nim

@@ -7,8 +7,8 @@ import ../libp2p/stream/bufferstream,
 
 suite "BufferStream":
   teardown:
-    # echo getTracker("libp2p.bufferstream").dump()
-    check getTracker("libp2p.bufferstream").isLeaked() == false
+    # echo getTracker(BufferStreamTrackerName).dump()
+    check getTracker(BufferStreamTrackerName).isLeaked() == false
 
   test "push data to buffer":
     proc testpushData(): Future[bool] {.async.} =

tests/testswitch.nim

@@ -14,7 +14,9 @@ import ../libp2p/[errors,
                   peerinfo,
                   crypto/crypto,
                   protocols/protocol,
+                  protocols/secure/secure,
                   muxers/muxer,
+                  muxers/mplex/lpchannel,
                   stream/lpstream]
 import ./helpers
 
@@ -246,11 +248,12 @@ suite "Switch":
       check not switch1.isConnected(switch2.peerInfo)
       check not switch2.isConnected(switch1.peerInfo)
 
-      var bufferTracker = getTracker(BufferStreamTrackerName)
-      # echo bufferTracker.dump()
-      check bufferTracker.isLeaked() == false
+      var channelTracker = getTracker(LPChannelTrackerName)
+      # echo channelTracker.dump()
+      check channelTracker.isLeaked() == false
 
-      var connTracker = getTracker(ConnectionTrackerName)
+      var connTracker = getTracker(SecureConnTrackerName)
+      doAssert(not isNil(connTracker))
       # echo connTracker.dump()
       check connTracker.isLeaked() == false
 
@@ -305,11 +308,11 @@ suite "Switch":
       check not switch1.isConnected(switch2.peerInfo)
       check not switch2.isConnected(switch1.peerInfo)
 
-      var bufferTracker = getTracker(BufferStreamTrackerName)
+      var bufferTracker = getTracker(LPChannelTrackerName)
       # echo bufferTracker.dump()
       check bufferTracker.isLeaked() == false
 
-      var connTracker = getTracker(ConnectionTrackerName)
+      var connTracker = getTracker(SecureConnTrackerName)
       # echo connTracker.dump()
       check connTracker.isLeaked() == false
 
@@ -370,11 +373,11 @@ suite "Switch":
       check not switch1.isConnected(switch2.peerInfo)
       check not switch2.isConnected(switch1.peerInfo)
 
-      var bufferTracker = getTracker(BufferStreamTrackerName)
+      var bufferTracker = getTracker(LPChannelTrackerName)
       # echo bufferTracker.dump()
       check bufferTracker.isLeaked() == false
 
-      var connTracker = getTracker(ConnectionTrackerName)
+      var connTracker = getTracker(SecureConnTrackerName)
       # echo connTracker.dump()
       check connTracker.isLeaked() == false
 
@@ -434,11 +437,11 @@ suite "Switch":
       check not switch1.isConnected(switch2.peerInfo)
       check not switch2.isConnected(switch1.peerInfo)
 
-      var bufferTracker = getTracker(BufferStreamTrackerName)
+      var bufferTracker = getTracker(LPChannelTrackerName)
       # echo bufferTracker.dump()
       check bufferTracker.isLeaked() == false
 
-      var connTracker = getTracker(ConnectionTrackerName)
+      var connTracker = getTracker(SecureConnTrackerName)
       # echo connTracker.dump()
       check connTracker.isLeaked() == false
 
@@ -498,11 +501,11 @@ suite "Switch":
       check not switch1.isConnected(switch2.peerInfo)
       check not switch2.isConnected(switch1.peerInfo)
 
-      var bufferTracker = getTracker(BufferStreamTrackerName)
+      var bufferTracker = getTracker(LPChannelTrackerName)
       # echo bufferTracker.dump()
       check bufferTracker.isLeaked() == false
 
-      var connTracker = getTracker(ConnectionTrackerName)
+      var connTracker = getTracker(SecureConnTrackerName)
       # echo connTracker.dump()
       check connTracker.isLeaked() == false
 
@@ -577,11 +580,11 @@ suite "Switch":
       check not switch2.isConnected(switch1.peerInfo)
       check not switch3.isConnected(switch1.peerInfo)
 
-      var bufferTracker = getTracker(BufferStreamTrackerName)
+      var bufferTracker = getTracker(LPChannelTrackerName)
       # echo bufferTracker.dump()
       check bufferTracker.isLeaked() == false
 
-      var connTracker = getTracker(ConnectionTrackerName)
+      var connTracker = getTracker(SecureConnTrackerName)
       # echo connTracker.dump()
       check connTracker.isLeaked() == false