X-Git-Url: https://git.realraum.at/?a=blobdiff_plain;f=go%2Fdoor_client_zmq%2Fzeromq.go;h=c91b7bd6cbc581eda4944f1fe1615c4d5ecbf463;hb=5f6f582835748fcc15616c11eaa76bac358e9fc2;hp=4b3b87d25eecb430989492beb5f2ec81dc634d11;hpb=05f5975f0266e628e89cf0f60f84f47d43136747;p=svn42.git diff --git a/go/door_client_zmq/zeromq.go b/go/door_client_zmq/zeromq.go index 4b3b87d..c91b7bd 100644 --- a/go/door_client_zmq/zeromq.go +++ b/go/door_client_zmq/zeromq.go @@ -4,62 +4,64 @@ package main import ( zmq "github.com/vaughan0/go-zmq" + "time" ) // ---------- ZeroMQ Code ------------- -func ZmqsInit(cmd_port, sub_port string) (cmd_chans, pub_chans *zmq.Channels) { - - cmd_ctx, err := zmq.NewContext() +func ZmqsInit(cmd_port, sub_port string) (ctx *zmq.Context, cmd_chans, sub_chans *zmq.Channels) { + var subfilter []byte + var err error + ctx, err = zmq.NewContext() if err != nil { panic(err) } //close only on panic, otherwise leave open: - defer func(){ if r:= recover(); r != nil { cmd_ctx.Close(); panic(r) } }() - - pub_ctx, err := zmq.NewContext() - if err != nil { - panic(err) - } - defer func() { if r:= recover(); r != nil { pub_ctx.Close(); panic(r) } }() + defer func(){ if r:= recover(); r != nil { ctx.Close(); panic(r) } }() - cmd_sock, err := cmd_ctx.Socket(zmq.Req) + cmd_sock, err := ctx.Socket(zmq.Req) if err != nil { panic(err) } defer func() { if r:= recover(); r != nil { cmd_sock.Close(); panic(r) } }() - pub_sock, err := pub_ctx.Socket(zmq.Sub) + cmd_sock.SetRecvTimeout(2 * time.Second) + cmd_sock.SetSendTimeout(2 * time.Second) + + sub_sock, err := ctx.Socket(zmq.Sub) if err != nil { panic(err) } - defer func() { if r:= recover(); r != nil { pub_sock.Close(); panic(r) } }() + defer func() { if r:= recover(); r != nil { sub_sock.Close(); panic(r) } }() - if err = cmd_sock.Bind(cmd_port); err != nil { + if err = cmd_sock.Connect(cmd_port); err != nil { panic(err) } - if err = pub_sock.Bind(sub_port); err != nil { + sub_sock.Subscribe(subfilter) + + if err = sub_sock.Connect(sub_port); err != nil { panic(err) } - cmd_chans = cmd_sock.Channels() - pub_chans = cmd_sock.Channels() - go zmqsHandleError(cmd_chans, pub_chans) + cmd_chans = cmd_sock.ChannelsBuffer(10) + sub_chans = cmd_sock.ChannelsBuffer(10) + + go zmqsHandleError(cmd_chans, sub_chans) return } -func zmqsHandleError(cmd_chans, pub_chans *zmq.Channels) { +func zmqsHandleError(cmd_chans, sub_chans *zmq.Channels) { for { select { case cmd_error := <- cmd_chans.Errors(): cmd_chans.Close() - pub_chans.Close() + sub_chans.Close() panic(cmd_error) - case pub_error := <- pub_chans.Errors(): + case sub_error := <- sub_chans.Errors(): cmd_chans.Close() - pub_chans.Close() - panic(pub_error) + sub_chans.Close() + panic(sub_error) } } } \ No newline at end of file