Feature/net_

vlib/net/socket_options.c.v

@@ -1,5 +1,19 @@
 module net
 
+#include <errno.h>
+$if windows {
+	#include <winsock2.h>
+	#include <ws2tcpip.h>
+} $else $if freebsd || macos {
+	#include <sys/types.h>
+	#include <sys/socket.h>
+	#include <netinet/in.h>
+	#include <netinet/tcp.h>
+} $else {
+	#include <netinet/tcp.h>
+	#include <sys/resource.h>
+}
+
 pub enum SocketOption {
 	// TODO: SO_ACCEPT_CONN is not here because windows doesn't support it
 	// and there is no easy way to define it
@@ -19,6 +33,11 @@ pub enum SocketOption {
 	send_timeout     = C.SO_SNDTIMEO
 	socket_type      = C.SO_TYPE
 	ipv6_only        = C.IPV6_V6ONLY
+	ip_proto_ipv6    = C.IPPROTO_IPV6
+	reuse_port       = C.SO_REUSEPORT // TODO make it work in windows
+	tcp_fastopen     = C.TCP_FASTOPEN // TODO make it work in windows
+	tcp_quickack     = C.TCP_QUICKACK // TODO make it work in os != linux
+	tcp_defer_accept = C.TCP_DEFER_ACCEPT // TODO make it work in windows
 }
 
 pub const opts_bool = [SocketOption.broadcast, .debug, .dont_route, .error, .keep_alive, .oob_inline]

vlib/net/tcp.c.v

@@ -355,7 +355,7 @@ pub:
 }
 
 pub fn listen_tcp(family AddrFamily, saddr string, options ListenOptions) !&TcpListener {
-	if family != .ip && family != .ip6 {
+	if family !in [.ip, .ip6] {
 		return error('listen_tcp only supports ip and ip6')
 	}
 	mut s := new_tcp_socket(family) or { return error('${err.msg()}; could not create new socket') }
@@ -515,7 +515,7 @@ struct TcpSocket {
 // This is a workaround for issue https://github.com/vlang/v/issues/20858
 // `noline` ensure that in `-prod` mode(CFLAG = `-O3 -flto`), gcc does not generate wrong instruction sequence
 @[noinline]
-fn new_tcp_socket(family AddrFamily) !TcpSocket {
+pub fn new_tcp_socket(family AddrFamily) !TcpSocket {
 	handle := $if is_coroutine ? {
 		socket_error(C.photon_socket(family, SocketType.tcp, 0))!
 	} $else {