View source: R/send_socket_clients.R
send_socket_clients | R Documentation |
The text is send to one or more clients of the R socket server currently connected.
send_socket_clients(text, sockets = "all", server_port = 8888) sendSocketClients(text, sockets = "all", server_port = 8888)
text |
the text to send to the client(s). |
sockets |
the Tcl name of the client(s) socket(s) currently connected
( |
server_port |
the port of the server considered. |
close_socket_clients()
, process_socket_server()
## Not run: # Start an R process (R#1) and make it a server library(svSocket) server_port <- 8888 # Port 8888 by default, but you can change it start_socket_server(port = server_port) # Start a second R process (R#2) and run this code in it (the R client): library(svSocket) # Connect with the R socket server con <- socketConnection(host = "localhost", port = 8888, blocking = FALSE) # Now, go back to the server R#1 get_socket_clients() # You should have one client registered # Send something to all clients from R#1 send_socket_clients("Hi there!") # Switch back to client R#2 # Since the connection is not blocking, you have to read lines actively readLines(con) # Note the final empty string indicating there is no more data close(con) # Once done... # Switch to the R#1 server and close the server stop_socket_server(port = server_port) ## End(Not run)
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