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nim-libp2p-experimental
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fix (directchat): auto disconnect self once conn closed (#663) 

When closing a connection of clientA(using the command “/disconnect”), the connection is then closed on clientA’s side. However, the connection remained open on clientB and clientB could continue sending message to clientA and clientA would receive those messages.

This PR listens for a closing connection on clientB, then also closes clientB’s connection.
This commit is contained in:
Eric Mastro 2021-12-02 23:45:55 +11:00 committed by GitHub
parent b8c54068a3
commit c19b966d23
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1 changed files with 5 additions and 2 deletions
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7
examples/directchat.nim
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@ -79,7 +79,9 @@ proc handlePeer(c: Chat, conn: Connection) {.async.} =
c.writeStdout $conn.peerId & ": " & $str c.writeStdout $conn.peerId & ": " & $str
except LPStreamEOFError: except LPStreamEOFError:
c.writeStdout $conn.peerId & " disconnected" defer: c.writeStdout $conn.peerId & " disconnected"
await c.conn.close()
c.connected = false
proc dialPeer(c: Chat, address: string) {.async.} = proc dialPeer(c: Chat, address: string) {.async.} =
# Parse and dial address # Parse and dial address
@ -130,7 +132,7 @@ proc readLoop(c: Chat) {.async.} =
await c.switch.stop() await c.switch.stop()
c.writeStdout "quitting..." c.writeStdout "quitting..."
quit(0) return
else: else:
if c.connected: if c.connected:
await c.conn.writeLp(line) await c.conn.writeLp(line)
@ -189,5 +191,6 @@ proc main() {.async.} =
await chat.readLoop() await chat.readLoop()
await allFuturesThrowing(libp2pFuts) await allFuturesThrowing(libp2pFuts)
quit(0)
waitFor(main()) waitFor(main())