X-Git-Url: https://git.realraum.at/?a=blobdiff_plain;f=go%2Fdoor_client_zmq%2Fzeromq.go;fp=go%2Fdoor_client_zmq%2Fzeromq.go;h=b74ca5eca32a34599ec6616fcddb811908a83de4;hb=342b4f2bf36cb16ff48cb894a80ffd8eac734086;hp=0000000000000000000000000000000000000000;hpb=86b01ef774b14377db91f5ce2511162ae772cd70;p=svn42.git diff --git a/go/door_client_zmq/zeromq.go b/go/door_client_zmq/zeromq.go new file mode 100644 index 0000000..b74ca5e --- /dev/null +++ b/go/door_client_zmq/zeromq.go @@ -0,0 +1,65 @@ +// (c) Bernhard Tittelbach, 2013 + +package main + +import ( + zmq "github.com/vaughan0/go-zmq" + ) + +// ---------- ZeroMQ Code ------------- + +func ZmqsInit(cmd_port, sub_port string) (cmd_chans, pub_chans *zmq.Channels) { + + cmd_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) } }() + + cmd_sock, err := cmd_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) + if err != nil { + panic(err) + } + defer func() { if r:= recover(); r != nil { pub_sock.Close(); panic(r) } }() + + if err = cmd_sock.Bind(cmd_port); err != nil { + panic(err) + } + + if err = pub_sock.Bind(sub_port); err != nil { + panic(err) + } + + cmd_chans = cmd_sock.Channels() + pub_chans = cmd_sock.Channels() + go zmqsHandleError(cmd_chans, pub_chans) + return +} + +func zmqsHandleError(cmd_chans, pub_chans *zmq.Channels) { + for { + select { + case cmd_error := <- cmd_chans.Errors(): + cmd_chans.Close() + pub_chans.Close() + panic(cmd_error) + case pub_error := <- pub_chans.Errors(): + cmd_chans.Close() + pub_chans.Close() + panic(pub_error) + } + } +} \ No newline at end of file