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module main
import time
import os
import net.websocket
fn main() {
println('press enter to quit...\n')
go start_server()
time.sleep(100 * time.millisecond)
go start_client()
os.get_line()
}
// start_server starts the websocket server, it receives messages
// and send it back to the client that sent it
fn start_server() ? {
mut s := websocket.new_server(.ip6, 30000, '')
// Make that in execution test time give time to execute at least one time
s.ping_interval = 100
s.on_connect(fn (mut s websocket.ServerClient) ?bool {
// Here you can look att the client info and accept or not accept
// just returning a true/false
if s.resource_name != '/' {
return false
}
return true
}) ?
s.on_message(fn (mut ws websocket.Client, msg &websocket.Message) ? {
ws.write(msg.payload, msg.opcode) or { panic(err) }
})
s.on_close(fn (mut ws websocket.Client, code int, reason string) ? {
// println('client ($ws.id) closed connection')
})
s.listen() or { println('error on server listen: $err') }
unsafe {
s.free()
}
}
// start_client starts the websocket client, it writes a message to
// the server and prints all the messages received
fn start_client() ? {
mut ws := websocket.new_client('ws://localhost:30000') ?
// mut ws := websocket.new_client('wss://echo.websocket.org:443')?
// use on_open_ref if you want to send any reference object
ws.on_open(fn (mut ws websocket.Client) ? {
println('open!')
})
// use on_error_ref if you want to send any reference object
ws.on_error(fn (mut ws websocket.Client, err string) ? {
println('error: $err')
})
// use on_close_ref if you want to send any reference object
ws.on_close(fn (mut ws websocket.Client, code int, reason string) ? {
println('closed')
})
// use on_message_ref if you want to send any reference object
ws.on_message(fn (mut ws websocket.Client, msg &websocket.Message) ? {
if msg.payload.len > 0 {
message := msg.payload.bytestr()
println('client got type: $msg.opcode payload:\n$message')
}
})
// you can add any pointer reference to use in callback
// t := TestRef{count: 10}
// ws.on_message_ref(fn (mut ws websocket.Client, msg &websocket.Message, r &SomeRef)? {
// // println('type: $msg.opcode payload:\n$msg.payload ref: $r')
// }, &r)
ws.connect() or { println('error on connect: $err') }
go write_echo(mut ws) // or { println('error on write_echo $err') }
ws.listen() or { println('error on listen $err') }
unsafe {
ws.free()
}
}
fn write_echo(mut ws websocket.Client) ? {
message := 'echo this'
for i := 0; i <= 10; i++ {
// Server will send pings every 30 seconds
ws.write_string(message) or { println('panicing writing $err') }
time.sleep(100 * time.millisecond)
}
ws.close(1000, 'normal') or { println('panicing $err') }
}
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