v/vlib/net/unix/unix_socket_test.v

100 lines
2.7 KiB
V

// vtest flaky: true
// vtest retry: 3
import os
import log
import time
import net.unix
const tfolder = os.join_path(os.temp_dir(), 'unix_socket_${os.getpid()}')
const socket_path = os.join_path(tfolder, 'v_unix.sock')
fn testsuite_begin() {
os.mkdir_all(tfolder) or {}
}
fn testsuite_end() {
os.rmdir_all(tfolder) or {}
}
fn handle_conn(mut c unix.StreamConn) {
log.warn(' handle_conn ${voidptr(c)} start')
for {
mut buf := []u8{len: 100, init: 0}
log.warn(' handle_conn ${voidptr(c)}, reading data...')
read := c.read(mut buf) or {
log.warn(' handle_conn ${voidptr(c)}, reading failed, connection was dropped.')
return
}
log.warn(' handle_conn ${voidptr(c)}, read: ${read} bytes')
written := c.write(buf[..read]) or {
log.warn(' handle_conn ${voidptr(c)}, writing failed, connection was dropped.')
return
}
log.warn(' handle_conn ${voidptr(c)}, written: ${written} bytes')
}
}
fn echo_server(mut l unix.StreamListener) ! {
log.warn('echo_server l: ${voidptr(l)}, start')
for {
log.warn('echo_server l: ${voidptr(l)}, waiting for connections...')
mut new_conn := l.accept() or { continue }
log.warn('echo_server l: ${voidptr(l)}, accepted new connection: ${voidptr(new_conn)}, spawning a new thread to handle it...')
spawn handle_conn(mut new_conn)
time.sleep(10 * time.millisecond)
}
}
fn echo() ! {
log.info('echo: connecting to ${socket_path}...')
mut c := unix.connect_stream(socket_path)!
defer {
log.info('echo: closing ${voidptr(c)} ...')
c.close() or {}
}
data := 'Hello from vlib/net!'
log.info('echo: writing `${data}` to ${voidptr(c)} ...')
c.write_string(data)!
mut buf := []u8{len: 4096}
read := c.read(mut buf)!
log.info('echo: read ${read} bytes from ${voidptr(c)} ...')
assert read == data.len
for i := 0; i < read; i++ {
assert buf[i] == data[i]
}
log.info('echo: got `${buf.bytestr()}` back from ${voidptr(c)}.')
return
}
fn test_tcp() {
log.use_stdout()
unbuffer_stdout()
os.rm(socket_path) or {}
assert os.exists(socket_path) == false
log.info('${@LOCATION}, setup complete')
log.info('>>> create listening socket at ${socket_path}...')
mut l := unix.listen_stream(socket_path) or { panic(err) }
log.info('>>> listening socket at ${socket_path} is ${voidptr(l)}.')
println('')
log.info('>>> spawning server with connection ${voidptr(l)}...')
spawn echo_server(mut l)
println('')
for i in 0 .. 3 {
log.info('>>> start echo to server, i: ${i}...')
echo()!
println('')
}
log.info('>>> closing listening socket ${voidptr(l)}...')
l.close() or {}
println('')
// test if socket file is removed/unlinked
assert os.exists(socket_path) == false
log.info('${@LOCATION}, done')
}