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net: support -d trace_tcp_data_read and -d trace_tcp_data_write too

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Delyan Angelov 2021-04-23 15:12:37 +03:00
parent 9b14f71631
commit 669a4ea1be
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GPG Key ID: 66886C0F12D595ED
1 changed files with 19 additions and 0 deletions
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19
vlib/net/tcp.v
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@ -42,6 +42,9 @@ pub fn (mut c TcpConn) write_ptr(b &byte, len int) ?int {
'>>> TcpConn.write_ptr | c.sock.handle: $c.sock.handle | b: ${ptr_str(b)} len: $len |\n' +
unsafe { b.vstring_with_len(len) })
}
$if trace_tcp_data_write ? {
eprintln('>>> TcpConn.write_ptr | data.len: ${len:6} | data: ' + b.vstring_with_len(len))
}
unsafe {
mut ptr_base := &byte(b)
mut total_sent := 0
@ -49,6 +52,9 @@ pub fn (mut c TcpConn) write_ptr(b &byte, len int) ?int {
ptr := ptr_base + total_sent
remaining := len - total_sent
mut sent := C.send(c.sock.handle, ptr, remaining, msg_nosignal)
$if trace_tcp_data_write ? {
eprintln('>>> TcpConn.write_ptr | data chunk, total_sent: ${total_sent:6}, remaining: ${remaining:6}, sent: ${sent:6}, ptr: ${ptr_str(ptr)}')
}
if sent < 0 {
code := error_code()
if code == int(error_ewouldblock) {
@ -86,6 +92,10 @@ pub fn (mut c TcpConn) read_ptr(buf_ptr &byte, len int) ?int {
eprintln('<<< TcpConn.read_ptr | c.sock.handle: $c.sock.handle | buf_ptr: ${ptr_str(buf_ptr)} len: $len | res: $res')
}
if res > 0 {
$if trace_tcp_data_read ? {
eprintln('<<< TcpConn.read_ptr | 1 data.len: ${res:6} | data: ' +
buf_ptr.vstring_with_len(res))
}
return res
}
code := error_code()
@ -95,6 +105,12 @@ pub fn (mut c TcpConn) read_ptr(buf_ptr &byte, len int) ?int {
$if trace_tcp ? {
eprintln('<<< TcpConn.read_ptr | c.sock.handle: $c.sock.handle | buf_ptr: ${ptr_str(buf_ptr)} len: $len | res: $res')
}
$if trace_tcp_data_read ? {
if res > 0 {
eprintln('<<< TcpConn.read_ptr | 2 data.len: ${res:6} | data: ' +
buf_ptr.vstring_with_len(res))
}
}
return socket_error(res)
} else {
wrap_error(code) ?
@ -224,6 +240,9 @@ pub fn (mut l TcpListener) accept() ?&TcpConn {
}
}
new_sock := tcp_socket_from_handle(new_handle) ?
$if trace_tcp ? {
eprintln(' TcpListener.accept | << new_sock: $new_sock')
}
return &TcpConn{
sock: new_sock
read_timeout: net.tcp_default_read_timeout