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send a message.

send.socket.Rd

Queue the message referenced by the msg argument to be sent to the socket referenced by the socket argument.

A successful invocation of send.socket does not indicate that the message has been transmitted to the network, only that it has been queued on the socket and ZMQ has assumed responsibility for the message.

Usage

send.socket(socket, data, send.more=FALSE, serialize=TRUE, xdr=.Platform$endian=="big")
send.null.msg(socket, send.more=FALSE)
send.raw.string(socket,data,send.more=FALSE)

Arguments

socket

a zmq socket object

data

the R object to be sent

send.more

whether this message has more frames to be sent

serialize

whether to call serialize before sending the data

xdr

passed directly to serialize command if serialize is requested

Value

a boolean indicating success or failure of the operation.

References

http://www.zeromq.org http://api.zeromq.org http://zguide.zeromq.org/page:all

Author

ZMQ was written by Martin Sustrik <sustrik@250bpm.com> and Martin Lucina <mato@kotelna.sk>. rzmq was written by Whit Armstrong.

See also

connect.socket,bind.socket,receive.socket,send.socket,poll.socket

Examples

if (FALSE) {

## remote execution server in rzmq
library(rzmq)
context = init.context()
in.socket = init.socket(context,"ZMQ_PULL")
bind.socket(in.socket,"tcp://*:5557")

out.socket = init.socket(context,"ZMQ_PUSH")
bind.socket(out.socket,"tcp://*:5558")

while(1) {
   msg = receive.socket(in.socket)
   fun <- msg$fun
   args <- msg$args
   print(args)
   ans <- do.call(fun,args)
   send.socket(out.socket,ans)
}
}