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net: add -d trace_tcp support for more TcpConn methods; support again -d net_blocking_sockets too

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This commit is contained in:
Delyan Angelov 2021-08-27 13:10:34 +03:00
parent a85467eb0f
commit c954c2834a
2 changed files with 56 additions and 16 deletions
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38
vlib/net/tcp.v
View File

@ -42,6 +42,9 @@ pub fn dial_tcp(address string) ?&TcpConn {
}
pub fn (mut c TcpConn) close() ? {
$if trace_tcp ? {
eprintln(' TcpConn.close | c.sock.handle: ${c.sock.handle:6}')
}
c.sock.close() ?
}
@ -52,6 +55,10 @@ 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: ' +
unsafe { b.vstring_with_len(len) })
}
unsafe {
mut ptr_base := &byte(b)
mut total_sent := 0
@ -59,6 +66,9 @@ 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}, chunk_size: ${chunk_size:6}, sent: ${sent:6}, ptr: ${ptr_str(ptr)}')
}
if sent < 0 {
code := error_code()
if code == int(error_ewouldblock) {
@ -90,6 +100,10 @@ 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: ' +
unsafe { buf_ptr.vstring_with_len(res) })
}
return res
}
code := error_code()
@ -99,6 +113,12 @@ 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: ' +
unsafe { buf_ptr.vstring_with_len(res) })
}
}
return socket_error(res)
} else {
wrap_error(code) ?
@ -211,6 +231,9 @@ pub fn listen_tcp(family AddrFamily, saddr string) ?&TcpListener {
}
pub fn (mut l TcpListener) accept() ?&TcpConn {
$if trace_tcp ? {
eprintln(' TcpListener.accept | l.sock.handle: ${l.sock.handle:6}')
}
addr := Addr{
addr: AddrData{
Ip6: Ip6{}
@ -226,6 +249,9 @@ pub fn (mut l TcpListener) accept() ?&TcpConn {
}
}
new_sock := tcp_socket_from_handle(new_handle) ?
$if trace_tcp ? {
eprintln(' TcpListener.accept | << new_sock.handle: ${new_sock.handle:6}')
}
return &TcpConn{
sock: new_sock
read_timeout: net.tcp_default_read_timeout
@ -274,6 +300,10 @@ fn new_tcp_socket(family AddrFamily) ?TcpSocket {
mut s := TcpSocket{
handle: handle
}
$if trace_tcp ? {
eprintln(' new_tcp_socket | s.handle: ${s.handle:6}')
}
// TODO(emily):
// we shouldnt be using ioctlsocket in the 21st century
// use the non-blocking socket option instead please :)
@ -281,12 +311,15 @@ fn new_tcp_socket(family AddrFamily) ?TcpSocket {
// TODO(emily):
// Move this to its own function on the socket
s.set_option_int(.reuse_addr, 1) ?
$if !net_blocking_sockets ? {
$if windows {
t := u32(1) // true
socket_error(C.ioctlsocket(handle, fionbio, &t)) ?
} $else {
socket_error(C.fcntl(handle, C.F_SETFL, C.fcntl(handle, C.F_GETFL) | C.O_NONBLOCK)) ?
}
}
return s
}
@ -294,17 +327,22 @@ fn tcp_socket_from_handle(sockfd int) ?TcpSocket {
mut s := TcpSocket{
handle: sockfd
}
$if trace_tcp ? {
eprintln(' tcp_socket_from_handle | s.handle: ${s.handle:6}')
}
// s.set_option_bool(.reuse_addr, true)?
s.set_option_int(.reuse_addr, 1) ?
s.set_dualstack(true) or {
// Not ipv6, we dont care
}
$if !net_blocking_sockets ? {
$if windows {
t := u32(1) // true
socket_error(C.ioctlsocket(sockfd, fionbio, &t)) ?
} $else {
socket_error(C.fcntl(sockfd, C.F_SETFL, C.fcntl(sockfd, C.F_GETFL) | C.O_NONBLOCK)) ?
}
}
return s
}

2
vlib/net/udp.v
View File

@ -213,6 +213,7 @@ fn new_udp_socket(local_addr Addr) ?&UdpSocket {
s.set_dualstack(true) ?
}
$if !net_blocking_sockets ? {
// NOTE: refer to comments in tcp.v
$if windows {
t := u32(1) // true
@ -220,6 +221,7 @@ fn new_udp_socket(local_addr Addr) ?&UdpSocket {
} $else {
socket_error(C.fcntl(sockfd, C.F_SETFD, C.O_NONBLOCK)) ?
}
}
// cast to the correct type
socket_error(C.bind(s.handle, voidptr(&local_addr), local_addr.len())) ?