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use random source port to work around 'address in use' error

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Christian Ulrich 2020-09-25 20:58:04 +02:00
parent 56bfb253e5
commit bf2fcc1602
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1 changed files with 4 additions and 4 deletions
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8
examples/app/app.nim
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@ -6,8 +6,6 @@ import asyncutils
import ../../message import ../../message
import random import random
const AcceptPort = Port(2000)
type type
PunchdResponse = Future[tuple[msgContent: string, sock: AsyncSocket]] PunchdResponse = Future[tuple[msgContent: string, sock: AsyncSocket]]
PunchdProgressCb = proc (future: PunchdResponse, msgContent: string) {.async.} PunchdProgressCb = proc (future: PunchdResponse, msgContent: string) {.async.}
@ -214,11 +212,13 @@ proc runApp(serverHostname: string, serverPort: Port, peerId: string,
asyncCheck handlePunchdMessages(punchdConn) asyncCheck handlePunchdMessages(punchdConn)
if otherPeerId.len == 0: if otherPeerId.len == 0:
# register and wait for connections # register and wait for connections
let acceptPort = rand(Port(1024) .. Port.high)
echo &"init server connection, probing port: {acceptPort}"
let serverConn = await initServerConnection(serverHostname, serverPort, let serverConn = await initServerConnection(serverHostname, serverPort,
AcceptPort) acceptPort)
asyncCheck handleServerMessages(serverConn) asyncCheck handleServerMessages(serverConn)
asyncCheck handlePeerNotifications(serverConn, punchdConn, peerId) asyncCheck handlePeerNotifications(serverConn, punchdConn, peerId)
let myPorts = (@[AcceptPort] & serverConn.probedPorts).join(",") let myPorts = (@[acceptPort] & serverConn.probedPorts).join(",")
let req = &"{peerId}|{serverConn.probedIp}|{myPorts}" let req = &"{peerId}|{serverConn.probedIp}|{myPorts}"
echo "registering: ", req echo "registering: ", req
discard await serverConn.sendRequest("register", req) discard await serverConn.sendRequest("register", req)