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readMsg should never return an empty buffer

This commit is contained in:
Dmitriy Ryajov 2019-09-25 18:11:20 -06:00
parent f7e5c8ee30
commit c7606ce2eb
2 changed files with 32 additions and 44 deletions
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10
libp2p/muxers/mplex/mplex.nim
View File

@ -55,15 +55,7 @@ method handle*(m: Mplex) {.async, gcsafe.} =
trace "starting mplex main loop"
try:
while not m.connection.closed:
let msgRes = await m.connection.readMsg()
if msgRes.isNone:
# TODO: this should ideally be poll(timeout = 100)
# but chronos poll() doesnt take a timeout, so it
# might and does hang
await sleepAsync(100.millis) # yield to async loop
continue
let (id, msgType, data) = msgRes.get()
let (id, msgType, data) = (await m.connection.readMsg()).get()
let initiator = bool(ord(msgType) and 1)
var channel: LPChannel
if MessageType(msgType) != MessageType.New:

66
tests/testidentify.nim
View File

@ -14,52 +14,48 @@ import ../libp2p/protocols/identify,
suite "Identify":
test "handle identify message":
proc testHandle(): Future[bool] {.async.} =
let ma: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53360")
let ma: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0")
let remoteSeckey = PrivateKey.random(RSA)
var remotePeerInfo: PeerInfo
var serverFut: Future[void]
var transport: TcpTransport
proc receiver() {.async.} =
remotePeerInfo.peerId = some(PeerID.init(remoteSeckey))
remotePeerInfo.addrs.add(ma)
remotePeerInfo.protocols.add("/test/proto1/1.0.0")
remotePeerInfo.protocols.add("/test/proto2/1.0.0")
remotePeerInfo.peerId = some(PeerID.init(remoteSeckey))
remotePeerInfo.addrs.add(ma)
remotePeerInfo.protocols.add("/test/proto1/1.0.0")
remotePeerInfo.protocols.add("/test/proto2/1.0.0")
let identifyProto = newIdentify(remotePeerInfo)
let msListen = newMultistream()
let identifyProto1 = newIdentify(remotePeerInfo)
let msListen = newMultistream()
msListen.addHandler(IdentifyCodec, identifyProto)
proc connHandler(conn: Connection): Future[void] {.async, gcsafe.} =
await msListen.handle(conn)
msListen.addHandler(IdentifyCodec, identifyProto1)
proc connHandler(conn: Connection): Future[void] {.async, gcsafe.} =
await msListen.handle(conn)
transport = newTransport(TcpTransport)
serverFut = await transport.listen(ma, connHandler)
var transport1 = newTransport(TcpTransport)
serverFut = await transport1.listen(ma, connHandler)
proc sender() {.async.} =
let msDial = newMultistream()
let transport: TcpTransport = newTransport(TcpTransport)
let conn = await transport.dial(ma)
let msDial = newMultistream()
let transport2: TcpTransport = newTransport(TcpTransport)
let conn = await transport2.dial(transport1.ma)
let seckey = PrivateKey.random(RSA)
var peerInfo: PeerInfo
peerInfo.peerId = some(PeerID.init(seckey))
peerInfo.addrs.add(ma)
let seckey = PrivateKey.random(RSA)
var peerInfo: PeerInfo
peerInfo.peerId = some(PeerID.init(seckey))
peerInfo.addrs.add(ma)
let identifyProto = newIdentify(peerInfo)
let res = await msDial.select(conn, IdentifyCodec)
let id = await identifyProto.identify(conn, remotePeerInfo)
let identifyProto2 = newIdentify(peerInfo)
let res = await msDial.select(conn, IdentifyCodec)
let id = await identifyProto2.identify(conn, remotePeerInfo)
check id.pubKey.get() == remoteSeckey.getKey()
check id.addrs[0] == ma
check id.protoVersion.get() == ProtoVersion
# check id.agentVersion.get() == AgentVersion
check id.protos == @["/test/proto1/1.0.0", "/test/proto2/1.0.0"]
check id.pubKey.get() == remoteSeckey.getKey()
check id.addrs[0] == ma
check id.protoVersion.get() == ProtoVersion
# check id.agentVersion.get() == AgentVersion
check id.protos == @["/test/proto1/1.0.0", "/test/proto2/1.0.0"]
await conn.close()
await conn.close()
await allFutures(sender(), receiver())
await transport.close()
await transport1.close()
await serverFut
result = true
@ -68,7 +64,7 @@ suite "Identify":
test "handle failed identify":
proc testHandleError() {.async.} =
let ma: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53361")
let ma: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0")
let remoteSeckey = PrivateKey.random(RSA)
var remotePeerInfo: PeerInfo
@ -87,7 +83,7 @@ suite "Identify":
let msDial = newMultistream()
let transport2: TcpTransport = newTransport(TcpTransport)
let conn = await transport2.dial(ma)
let conn = await transport2.dial(transport1.ma)
let seckey = PrivateKey.random(RSA)
var localPeerInfo: PeerInfo