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https://codeberg.org/ziglang/zig.git
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std.Io.Threaded: implement netConnectIp for Windows
This commit is contained in:
Andrew Kelley
parent
67df66c26c
commit
4ed74a9f8a
2 changed files with 116 additions and 159 deletions
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@ -252,7 +252,7 @@ pub fn io(t: *Threaded) Io {
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else => netBindIpPosix,
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},
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.netConnectIp = switch (builtin.os.tag) {
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.windows => @panic("TODO"),
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.windows => netConnectIpWindows,
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else => netConnectIpPosix,
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},
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.netConnectUnix = netConnectUnix,
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@ -2810,28 +2810,10 @@ fn netListenIpWindows(
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if (!have_networking) return error.NetworkDown;
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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const family = posixAddressFamily(&address);
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const mode = posixSocketMode(options.mode);
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const protocol = posixProtocol(options.protocol);
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const socket_handle = while (true) {
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try t.checkCancel();
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const flags: u32 = ws2_32.WSA_FLAG_OVERLAPPED | ws2_32.WSA_FLAG_NO_HANDLE_INHERIT;
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const rc = ws2_32.WSASocketW(family, @bitCast(mode), @bitCast(protocol), null, 0, flags);
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if (rc != ws2_32.INVALID_SOCKET) break rc;
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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try initializeWsa(t);
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continue;
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},
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.EAFNOSUPPORT => return error.AddressFamilyUnsupported,
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.EMFILE => return error.ProcessFdQuotaExceeded,
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.ENOBUFS => return error.SystemResources,
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.EPROTONOSUPPORT => return error.ProtocolUnsupportedByAddressFamily,
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else => |err| return windows.unexpectedWSAError(err),
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}
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};
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const socket_handle = try openSocketWsa(t, family, .{
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.mode = options.mode,
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.protocol = options.protocol,
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});
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errdefer closeSocketWindows(socket_handle);
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if (options.reuse_address)
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@ -2885,24 +2867,7 @@ fn netListenIpWindows(
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}
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}
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while (true) {
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try t.checkCancel();
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const rc = ws2_32.getsockname(socket_handle, &storage.any, &addr_len);
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if (rc != ws2_32.SOCKET_ERROR) break;
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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try initializeWsa(t);
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continue;
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},
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.ENETDOWN => return error.NetworkDown,
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.EFAULT => |err| return wsaErrorBug(err),
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.ENOTSOCK => |err| return wsaErrorBug(err),
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.EINVAL => |err| return wsaErrorBug(err),
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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try wsaGetSockName(t, socket_handle, &storage.any, &addr_len);
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return .{
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.socket = .{
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@ -3076,6 +3041,27 @@ fn posixGetSockName(t: *Threaded, socket_fd: posix.fd_t, addr: *posix.sockaddr,
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}
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}
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fn wsaGetSockName(t: *Threaded, handle: ws2_32.SOCKET, addr: *ws2_32.sockaddr, addr_len: *i32) !void {
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while (true) {
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try t.checkCancel();
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const rc = ws2_32.getsockname(handle, addr, addr_len);
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if (rc != ws2_32.SOCKET_ERROR) break;
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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try initializeWsa(t);
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continue;
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},
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.ENETDOWN => return error.NetworkDown,
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.EFAULT => |err| return wsaErrorBug(err),
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.ENOTSOCK => |err| return wsaErrorBug(err),
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.EINVAL => |err| return wsaErrorBug(err),
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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}
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fn setSocketOption(t: *Threaded, fd: posix.fd_t, level: i32, opt_name: u32, option: u32) !void {
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const o: []const u8 = @ptrCast(&option);
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while (true) {
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@ -3139,6 +3125,61 @@ fn netConnectIpPosix(
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} };
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}
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fn netConnectIpWindows(
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userdata: ?*anyopaque,
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address: *const IpAddress,
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options: IpAddress.ConnectOptions,
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) IpAddress.ConnectError!net.Stream {
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if (!have_networking) return error.NetworkDown;
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if (options.timeout != .none) @panic("TODO");
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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const family = posixAddressFamily(address);
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const socket_handle = try openSocketWsa(t, family, .{
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.mode = options.mode,
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.protocol = options.protocol,
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});
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errdefer closeSocketWindows(socket_handle);
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var storage: WsaAddress = undefined;
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var addr_len = addressToWsa(address, &storage);
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while (true) {
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const rc = ws2_32.connect(socket_handle, &storage.any, addr_len);
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if (rc != ws2_32.SOCKET_ERROR) break;
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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try initializeWsa(t);
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continue;
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},
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.EADDRNOTAVAIL => return error.AddressUnavailable,
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.ECONNREFUSED => return error.ConnectionRefused,
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.ECONNRESET => return error.ConnectionResetByPeer,
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.ETIMEDOUT => return error.Timeout,
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.EHOSTUNREACH => return error.HostUnreachable,
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.ENETUNREACH => return error.NetworkUnreachable,
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.EFAULT => |err| return wsaErrorBug(err),
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.EINVAL => |err| return wsaErrorBug(err),
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.EISCONN => |err| return wsaErrorBug(err),
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.ENOTSOCK => |err| return wsaErrorBug(err),
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.EWOULDBLOCK => return error.WouldBlock,
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.EACCES => return error.AccessDenied,
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.ENOBUFS => return error.SystemResources,
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.EAFNOSUPPORT => return error.AddressFamilyUnsupported,
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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try wsaGetSockName(t, socket_handle, &storage.any, &addr_len);
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return .{ .socket = .{
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.handle = socket_handle,
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.address = addressFromWsa(&storage),
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} };
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}
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fn netConnectUnix(
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userdata: ?*anyopaque,
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address: *const net.UnixAddress,
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@ -3184,28 +3225,12 @@ fn netBindIpWindows(
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if (!have_networking) return error.NetworkDown;
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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const family = posixAddressFamily(address);
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const mode = posixSocketMode(options.mode);
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const protocol = posixProtocol(options.protocol);
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const socket_handle = while (true) {
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try t.checkCancel();
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const flags: u32 = ws2_32.WSA_FLAG_OVERLAPPED | ws2_32.WSA_FLAG_NO_HANDLE_INHERIT;
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const rc = ws2_32.WSASocketW(family, @bitCast(mode), @bitCast(protocol), null, 0, flags);
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if (rc != ws2_32.INVALID_SOCKET) break rc;
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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try initializeWsa(t);
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continue;
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},
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.EAFNOSUPPORT => return error.AddressFamilyUnsupported,
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.EMFILE => return error.ProcessFdQuotaExceeded,
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.ENOBUFS => return error.SystemResources,
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.EPROTONOSUPPORT => return error.ProtocolUnsupportedByAddressFamily,
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else => |err| return windows.unexpectedWSAError(err),
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}
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};
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const socket_handle = try openSocketWsa(t, family, .{
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.mode = options.mode,
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.protocol = options.protocol,
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});
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errdefer closeSocketWindows(socket_handle);
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var storage: WsaAddress = undefined;
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var addr_len = addressToWsa(address, &storage);
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@ -3231,24 +3256,7 @@ fn netBindIpWindows(
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}
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}
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while (true) {
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try t.checkCancel();
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const rc = ws2_32.getsockname(socket_handle, &storage.any, &addr_len);
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if (rc != ws2_32.SOCKET_ERROR) break;
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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try initializeWsa(t);
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continue;
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},
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.ENETDOWN => return error.NetworkDown,
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.EFAULT => |err| return wsaErrorBug(err),
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.ENOTSOCK => |err| return wsaErrorBug(err),
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.EINVAL => |err| return wsaErrorBug(err),
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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try wsaGetSockName(t, socket_handle, &storage.any, &addr_len);
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return .{
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.handle = socket_handle,
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@ -3317,6 +3325,30 @@ fn openSocketPosix(
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return socket_fd;
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}
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fn openSocketWsa(t: *Threaded, family: posix.sa_family_t, options: IpAddress.BindOptions) !ws2_32.SOCKET {
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const mode = posixSocketMode(options.mode);
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const protocol = posixProtocol(options.protocol);
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const flags: u32 = ws2_32.WSA_FLAG_OVERLAPPED | ws2_32.WSA_FLAG_NO_HANDLE_INHERIT;
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while (true) {
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try t.checkCancel();
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const rc = ws2_32.WSASocketW(family, @bitCast(mode), @bitCast(protocol), null, 0, flags);
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if (rc != ws2_32.INVALID_SOCKET) return rc;
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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try initializeWsa(t);
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continue;
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},
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.EAFNOSUPPORT => return error.AddressFamilyUnsupported,
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.EMFILE => return error.ProcessFdQuotaExceeded,
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.ENOBUFS => return error.SystemResources,
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.EPROTONOSUPPORT => return error.ProtocolUnsupportedByAddressFamily,
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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}
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fn netAcceptPosix(userdata: ?*anyopaque, listen_fd: net.Socket.Handle) net.Server.AcceptError!net.Stream {
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if (!have_networking) return error.NetworkDown;
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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@ -3376,11 +3408,11 @@ fn netAcceptWindows(userdata: ?*anyopaque, listen_handle: net.Socket.Handle) net
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while (true) {
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try t.checkCancel();
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const rc = ws2_32.accept(listen_handle, &storage.any, &addr_len);
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if (rc != windows.ws2_32.INVALID_SOCKET) return .{ .socket = .{
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if (rc != ws2_32.INVALID_SOCKET) return .{ .socket = .{
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.handle = rc,
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.address = addressFromWsa(&storage),
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} };
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switch (windows.ws2_32.WSAGetLastError()) {
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switch (ws2_32.WSAGetLastError()) {
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.EINTR => continue,
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.ECANCELLED, .E_CANCELLED => return error.Canceled,
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.NOTINITIALISED => {
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@ -3757,86 +3757,11 @@ pub fn getpeername(sock: socket_t, addr: *sockaddr, addrlen: *socklen_t) GetSock
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}
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}
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pub const ConnectError = error{
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/// For UNIX domain sockets, which are identified by pathname: Write permission is denied on the socket
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/// file, or search permission is denied for one of the directories in the path prefix.
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/// or
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/// The user tried to connect to a broadcast address without having the socket broadcast flag enabled or
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/// the connection request failed because of a local firewall rule.
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AccessDenied,
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pub const ConnectError = std.Io.net.IpAddress.ConnectError || std.Io.net.UnixAddress.ConnectError;
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/// See AccessDenied
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PermissionDenied,
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/// Local address is already in use.
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AddressInUse,
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/// (Internet domain sockets) The socket referred to by sockfd had not previously been bound to an
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/// address and, upon attempting to bind it to an ephemeral port, it was determined that all port numbers
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/// in the ephemeral port range are currently in use. See the discussion of
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/// /proc/sys/net/ipv4/ip_local_port_range in ip(7).
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AddressUnavailable,
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/// The passed address didn't have the correct address family in its sa_family field.
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AddressFamilyUnsupported,
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/// Insufficient entries in the routing cache.
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SystemResources,
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/// A connect() on a stream socket found no one listening on the remote address.
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ConnectionRefused,
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/// Network is unreachable.
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NetworkUnreachable,
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/// Timeout while attempting connection. The server may be too busy to accept new connections. Note
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/// that for IP sockets the timeout may be very long when syncookies are enabled on the server.
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Timeout,
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/// This error occurs when no global event loop is configured,
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/// and connecting to the socket would block.
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WouldBlock,
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/// The given path for the unix socket does not exist.
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FileNotFound,
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/// Connection was reset by peer before connect could complete.
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ConnectionResetByPeer,
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/// Socket is non-blocking and already has a pending connection in progress.
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ConnectionPending,
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/// Socket was already connected
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AlreadyConnected,
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} || UnexpectedError;
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/// Initiate a connection on a socket.
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/// If `sockfd` is opened in non blocking mode, the function will
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/// return error.WouldBlock when EAGAIN or EINPROGRESS is received.
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pub fn connect(sock: socket_t, sock_addr: *const sockaddr, len: socklen_t) ConnectError!void {
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if (native_os == .windows) {
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const rc = windows.ws2_32.connect(sock, sock_addr, @intCast(len));
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if (rc == 0) return;
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switch (windows.ws2_32.WSAGetLastError()) {
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.EADDRINUSE => return error.AddressInUse,
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.EADDRNOTAVAIL => return error.AddressUnavailable,
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.ECONNREFUSED => return error.ConnectionRefused,
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.ECONNRESET => return error.ConnectionResetByPeer,
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.ETIMEDOUT => return error.Timeout,
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.EHOSTUNREACH, // TODO: should we return NetworkUnreachable in this case as well?
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.ENETUNREACH,
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=> return error.NetworkUnreachable,
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.EFAULT => unreachable,
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.EINVAL => unreachable,
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.EISCONN => return error.AlreadyConnected,
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.ENOTSOCK => unreachable,
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.EWOULDBLOCK => return error.WouldBlock,
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.EACCES => unreachable,
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.ENOBUFS => return error.SystemResources,
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.EAFNOSUPPORT => return error.AddressFamilyUnsupported,
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else => |err| return windows.unexpectedWSAError(err),
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}
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return;
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@compileError("use std.Io instead");
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}
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while (true) {
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