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@@ -1,4 +1,11 @@
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+package net
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// +build windows
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+
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+/*
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+ Package net implements cross-platform Berkeley Sockets, DNS resolution and associated procedures.
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+ For other protocols and their features, see subdirectories of this package.
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+*/
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+
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/*
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Copyright 2022 Tetralux <[email protected]>
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Copyright 2022 Colin Davidson <[email protected]>
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@@ -11,12 +18,6 @@
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Jeroen van Rijn: Cross platform unification, code style, documentation
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*/
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-/*
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- Package net implements cross-platform Berkeley Sockets, DNS resolution and associated procedures.
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- For other protocols and their features, see subdirectories of this package.
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-*/
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-package net
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-
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import "core:c"
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import win "core:sys/windows"
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import "core:time"
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@@ -28,7 +29,8 @@ ensure_winsock_initialized :: proc() {
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win.ensure_winsock_initialized()
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}
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-create_socket :: proc(family: Address_Family, protocol: Socket_Protocol) -> (socket: Any_Socket, err: Network_Error) {
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+@(private)
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+_create_socket :: proc(family: Address_Family, protocol: Socket_Protocol) -> (socket: Any_Socket, err: Network_Error) {
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c_type, c_protocol, c_family: c.int
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switch family {
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@@ -59,7 +61,8 @@ create_socket :: proc(family: Address_Family, protocol: Socket_Protocol) -> (soc
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}
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}
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-dial_tcp_from_endpoint :: proc(endpoint: Endpoint, options := default_tcp_options) -> (skt: TCP_Socket, err: Network_Error) {
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+@(private)
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+_dial_tcp_from_endpoint :: proc(endpoint: Endpoint, options := default_tcp_options) -> (skt: TCP_Socket, err: Network_Error) {
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if endpoint.port == 0 {
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err = .Port_Required
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return
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@@ -88,7 +91,8 @@ dial_tcp_from_endpoint :: proc(endpoint: Endpoint, options := default_tcp_option
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return
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}
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-bind :: proc(skt: Any_Socket, ep: Endpoint) -> (err: Network_Error) {
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+@(private)
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+_bind :: proc(skt: Any_Socket, ep: Endpoint) -> (err: Network_Error) {
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sockaddr := _endpoint_to_sockaddr(ep)
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s := any_socket_to_socket(skt)
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res := win.bind(Platform_Socket(s), &sockaddr, size_of(sockaddr))
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@@ -98,32 +102,8 @@ bind :: proc(skt: Any_Socket, ep: Endpoint) -> (err: Network_Error) {
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return
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}
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-
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-// This type of socket becomes bound when you try to send data.
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-// This is likely what you want if you want to send data unsolicited.
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-//
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-// This is like a client TCP socket, except that it can send data to any remote endpoint without needing to establish a connection first.
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-make_unbound_udp_socket :: proc(family: Address_Family) -> (skt: UDP_Socket, err: Network_Error) {
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- sock := create_socket(family, .UDP) or_return
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- skt = sock.(UDP_Socket)
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- return
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-}
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-
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-// This type of socket is bound immediately, which enables it to receive data on the port.
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-// Since it's UDP, it's also able to send data without receiving any first.
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-//
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-// This is like a listening TCP socket, except that data packets can be sent and received without needing to establish a connection first.
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-//
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-// The bound_address is the address of the network interface that you want to use, or a loopback address if you don't care which to use.
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-make_bound_udp_socket :: proc(bound_address: Address, port: int) -> (skt: UDP_Socket, err: Network_Error) {
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- skt = make_unbound_udp_socket(family_from_address(bound_address)) or_return
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- bind(skt, {bound_address, port}) or_return
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- return
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-}
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-
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-listen_tcp :: proc(interface_endpoint: Endpoint, backlog := 1000) -> (skt: TCP_Socket, err: Network_Error) {
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- assert(backlog > 0 && i32(backlog) < max(i32))
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-
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+@(private)
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+_listen_tcp :: proc(interface_endpoint: Endpoint, backlog := 1000) -> (skt: TCP_Socket, err: Network_Error) {
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family := family_from_endpoint(interface_endpoint)
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sock := create_socket(family, .TCP) or_return
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skt = sock.(TCP_Socket)
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@@ -134,16 +114,14 @@ listen_tcp :: proc(interface_endpoint: Endpoint, backlog := 1000) -> (skt: TCP_S
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bind(sock, interface_endpoint) or_return
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- res := win.listen(Platform_Socket(skt), i32(backlog))
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- if res == win.SOCKET_ERROR {
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+ if res := win.listen(Platform_Socket(skt), i32(backlog)); res == win.SOCKET_ERROR {
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err = Listen_Error(win.WSAGetLastError())
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- return
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}
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-
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return
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}
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-accept_tcp :: proc(sock: TCP_Socket, options := default_tcp_options) -> (client: TCP_Socket, source: Endpoint, err: Network_Error) {
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+@(private)
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+_accept_tcp :: proc(sock: TCP_Socket, options := default_tcp_options) -> (client: TCP_Socket, source: Endpoint, err: Network_Error) {
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for {
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sockaddr: win.SOCKADDR_STORAGE_LH
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sockaddrlen := c.int(size_of(sockaddr))
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@@ -169,13 +147,15 @@ accept_tcp :: proc(sock: TCP_Socket, options := default_tcp_options) -> (client:
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}
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}
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-close :: proc(skt: Any_Socket) {
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+@(private)
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+_close :: proc(skt: Any_Socket) {
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if s := any_socket_to_socket(skt); s != {} {
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win.closesocket(Platform_Socket(s))
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}
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}
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-recv_tcp :: proc(skt: TCP_Socket, buf: []byte) -> (bytes_read: int, err: Network_Error) {
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+@(private)
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+_recv_tcp :: proc(skt: TCP_Socket, buf: []byte) -> (bytes_read: int, err: Network_Error) {
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if len(buf) <= 0 {
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return
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}
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@@ -187,7 +167,8 @@ recv_tcp :: proc(skt: TCP_Socket, buf: []byte) -> (bytes_read: int, err: Network
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return int(res), nil
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}
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-recv_udp :: proc(skt: UDP_Socket, buf: []byte) -> (bytes_read: int, remote_endpoint: Endpoint, err: Network_Error) {
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+@(private)
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+_recv_udp :: proc(skt: UDP_Socket, buf: []byte) -> (bytes_read: int, remote_endpoint: Endpoint, err: Network_Error) {
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if len(buf) <= 0 {
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return
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}
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@@ -205,12 +186,8 @@ recv_udp :: proc(skt: UDP_Socket, buf: []byte) -> (bytes_read: int, remote_endpo
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return
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}
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-recv :: proc{recv_tcp, recv_udp}
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-
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-// Repeatedly sends data until the entire buffer is sent.
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-// If a send fails before all data is sent, returns the amount
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-// sent up to that point.
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-send_tcp :: proc(skt: TCP_Socket, buf: []byte) -> (bytes_written: int, err: Network_Error) {
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+@(private)
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+_send_tcp :: proc(skt: TCP_Socket, buf: []byte) -> (bytes_written: int, err: Network_Error) {
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for bytes_written < len(buf) {
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limit := min(int(max(i32)), len(buf) - bytes_written)
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remaining := buf[bytes_written:]
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@@ -224,12 +201,8 @@ send_tcp :: proc(skt: TCP_Socket, buf: []byte) -> (bytes_written: int, err: Netw
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return
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}
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-
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-// Sends a single UDP datagram packet.
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-//
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-// Datagrams are limited in size; attempting to send more than this limit at once will result in a Message_Too_Long error.
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-// UDP packets are not guarenteed to be received in order.
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-send_udp :: proc(skt: UDP_Socket, buf: []byte, to: Endpoint) -> (bytes_written: int, err: Network_Error) {
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+@(private)
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+_send_udp :: proc(skt: UDP_Socket, buf: []byte, to: Endpoint) -> (bytes_written: int, err: Network_Error) {
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if len(buf) > int(max(c.int)) {
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// NOTE(tetra): If we don't guard this, we'll return (0, nil) instead, which is misleading.
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err = .Message_Too_Long
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@@ -245,9 +218,8 @@ send_udp :: proc(skt: UDP_Socket, buf: []byte, to: Endpoint) -> (bytes_written:
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return
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}
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-send :: proc{send_tcp, send_udp}
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-
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-shutdown :: proc(skt: Any_Socket, manner: Shutdown_Manner) -> (err: Network_Error) {
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+@(private)
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+_shutdown :: proc(skt: Any_Socket, manner: Shutdown_Manner) -> (err: Network_Error) {
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s := any_socket_to_socket(skt)
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res := win.shutdown(Platform_Socket(s), c.int(manner))
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if res < 0 {
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@@ -256,7 +228,8 @@ shutdown :: proc(skt: Any_Socket, manner: Shutdown_Manner) -> (err: Network_Erro
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return
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}
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-set_option :: proc(s: Any_Socket, option: Socket_Option, value: any, loc := #caller_location) -> Network_Error {
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+@(private)
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+_set_option :: proc(s: Any_Socket, option: Socket_Option, value: any, loc := #caller_location) -> Network_Error {
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level := win.SOL_SOCKET if option != .TCP_Nodelay else win.IPPROTO_TCP
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bool_value: b32
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@@ -339,7 +312,6 @@ set_option :: proc(s: Any_Socket, option: Socket_Option, value: any, loc := #cal
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return nil
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}
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-
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@(private)
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_endpoint_to_sockaddr :: proc(ep: Endpoint) -> (sockaddr: win.SOCKADDR_STORAGE_LH) {
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switch a in ep.address {
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