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all: change optional to result of io (#16075)

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yuyi 2022-10-16 14:28:57 +08:00 • committed by GitHub
parent 6e46933c55
commit f6844e9766
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187 changed files with 1885 additions and 1874 deletions
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16
examples/websocket/client-server/client.v
View file

@ -8,7 +8,7 @@ import term
// it connects to the server who will broadcast your messages
// to all other connected clients
fn main() {
mut ws := start_client()?
mut ws := start_client()!
println(term.green('client $ws.id ready'))
println('Write message and enter to send...')
for {
@ -16,7 +16,7 @@ fn main() {
if line == '' {
break
}
ws.write_string(line)?
ws.write_string(line)!
}
ws.close(1000, 'normal') or { println(term.red('panicing $err')) }
unsafe {
@ -24,23 +24,23 @@ fn main() {
}
}
fn start_client() ?&websocket.Client {
mut ws := websocket.new_client('ws://localhost:30000')?
fn start_client() !&websocket.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) ? {
ws.on_open(fn (mut ws websocket.Client) ! {
println(term.green('websocket connected to the server and ready to send messages...'))
})
// use on_error_ref if you want to send any reference object
ws.on_error(fn (mut ws websocket.Client, err string) ? {
ws.on_error(fn (mut ws websocket.Client, err string) ! {
println(term.red('error: $err'))
})
// use on_close_ref if you want to send any reference object
ws.on_close(fn (mut ws websocket.Client, code int, reason string) ? {
ws.on_close(fn (mut ws websocket.Client, code int, reason string) ! {
println(term.green('the connection to the server successfully closed'))
})
// on new messages from other clients, display them in blue text
ws.on_message(fn (mut ws websocket.Client, msg &websocket.Message) ? {
ws.on_message(fn (mut ws websocket.Client, msg &websocket.Message) ! {
if msg.payload.len > 0 {
message := msg.payload.bytestr()
println(term.blue('$message'))

12
examples/websocket/client-server/server.v
View file

@ -6,24 +6,24 @@ import term
// this server accepts client connections and broadcast all messages to other connected clients
fn main() {
println('press ctrl-c to quit...')
start_server()?
start_server()!
}
fn start_server() ? {
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 {
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
})?
})!
// on_message_ref, broadcast all incoming messages to all clients except the one sent it
s.on_message_ref(fn (mut ws websocket.Client, msg &websocket.Message, mut m websocket.Server) ? {
s.on_message_ref(fn (mut ws websocket.Client, msg &websocket.Message, mut m websocket.Server) ! {
// for _, cli in m.clients {
for i, _ in m.clients {
mut c := m.clients[i]
@ -33,7 +33,7 @@ fn start_server() ? {
}
}, s)
s.on_close(fn (mut ws websocket.Client, code int, reason string) ? {
s.on_close(fn (mut ws websocket.Client, code int, reason string) ! {
println(term.green('client ($ws.id) closed connection'))
})
s.listen() or { println(term.red('error on server listen: $err')) }