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net: add support for `-d trace_tcp` to ease debugging

pull/7688/head
Delyan Angelov 2020-12-29 15:41:46 +02:00
parent 40ce18fa3c
commit 17e0a65611
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GPG Key ID: 66886C0F12D595ED
1 changed files with 7 additions and 1 deletions
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6
vlib/net/tcp.v
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@ -34,6 +34,9 @@ pub fn (c TcpConn) close() ? {
// write_ptr blocks and attempts to write all data
pub fn (c TcpConn) write_ptr(b byteptr, len int) ? {
$if trace_tcp ? {
eprintln('>>> TcpConn.write_ptr | c.sock.handle: $c.sock.handle | b: ${ptr_str(b)} len: $len')
}
unsafe {
mut ptr_base := byteptr(b)
mut total_sent := 0
@ -71,6 +74,9 @@ pub fn (c TcpConn) write_str(s string) ? {
pub fn (c TcpConn) read_ptr(buf_ptr byteptr, len int) ?int {
mut res := wrap_read_result(C.recv(c.sock.handle, buf_ptr, len, 0)) ?
$if trace_tcp ? {
eprintln('<<< TcpConn.read_ptr | c.sock.handle: $c.sock.handle | buf_ptr: ${ptr_str(buf_ptr)} len: $len | res: $res')
}
if res > 0 {
return res
}