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pgavlinpgavlin
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Merge pull request #2595 from pgavlin/SNPrimitivesXP
Implement System.Net.Primitives for *nix.
2 parents 4c423dc + 0c9f431 commit bd0c788

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‎src/Common/src/Interop/Interop.CheckedAccess.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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internal static partial class Interop
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{
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public static unsafe void CheckBounds(byte* buffer, int bufferSize, byte* offset, int accessSize)
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{
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var start = checked((int)(IntPtr)(offset - buffer));
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var end = checked(start + accessSize);
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if (start < 0 || end > bufferSize)
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{
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throw new IndexOutOfRangeException();
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}
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}
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public static unsafe void CheckBounds(byte* buffer, int bufferSize, byte* offset)
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{
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CheckBounds(buffer, bufferSize, offset, sizeof(byte));
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}
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public static unsafe void CheckBounds(byte* buffer, int bufferSize, ushort* offset)
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{
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CheckBounds(buffer, bufferSize, (byte*)offset, sizeof(ushort));
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}
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public static unsafe void CheckBounds(byte* buffer, int bufferSize, uint* offset)
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{
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CheckBounds(buffer, bufferSize, (byte*)offset, sizeof(uint));
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}
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public static unsafe byte CheckedRead(byte* buffer, int bufferSize, byte* offset)
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{
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CheckBounds(buffer, bufferSize, offset);
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return *offset;
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}
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public static unsafe ushort CheckedRead(byte* buffer, int bufferSize, ushort* offset)
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{
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CheckBounds(buffer, bufferSize, offset);
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return *offset;
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}
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public static unsafe uint CheckedRead(byte* buffer, int bufferSize, uint* offset)
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{
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CheckBounds(buffer, bufferSize, offset);
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return *offset;
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}
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public static unsafe void CheckedWrite(byte* buffer, int bufferSize, byte* offset, byte value)
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{
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CheckBounds(buffer, bufferSize, offset);
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*offset = value;
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}
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public static unsafe void CheckedWrite(byte* buffer, int bufferSize, ushort* offset, ushort value)
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{
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CheckBounds(buffer, bufferSize, offset);
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*offset = value;
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}
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public static unsafe void CheckedWrite(byte* buffer, int bufferSize, uint* offset, uint value)
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{
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CheckBounds(buffer, bufferSize, offset);
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*offset = value;
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}
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}

‎src/Common/src/Interop/OSX/libc/Interop.addrinfo.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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using socklen_t = System.UInt32;
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internal static partial class Interop
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{
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internal static partial class libc
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{
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public const int AI_NUMERICHOST = 0x0004; // Don't use name resolution.
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public const int AI_NUMERICSERV = 0x1000; // Don't use name resolution.
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public const int NI_NUMERICHOST = 2; // Don't try to look up hostname.
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public const int EAI_BADFLAGS = 3; // Invalid value for `ai_flags' field.
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public const int EAI_NONAME = 8; // NAME or SERVICE is unknown.
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public unsafe struct addrinfo
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{
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public int ai_flags;
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public int ai_family;
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public int ai_socktype;
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public int ai_protocol;
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public socklen_t ai_addrlen;
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public byte* ai_canonname;
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public sockaddr* ai_addr;
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public addrinfo* ai_next;
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}
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}
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}

‎src/Common/src/Interop/OSX/libc/Interop.sockaddr.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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using in_port_t = System.UInt16;
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using sa_family_t = System.Byte;
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internal static partial class Interop
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{
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internal static partial class libc
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{
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public const sa_family_t AF_UNSPEC = 0; // Unspecified.
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public const sa_family_t AF_UNIX = 1; // Local to host.
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public const sa_family_t AF_INET = 2; // IP protocol family.
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public const sa_family_t AF_INET6 = 30; // IP version 6.
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// NOTE: this type is incomplete, and its values should never be used directly.
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// Specific sockaddr types (e.g. sockaddr_in or sockaddr_in6) should be used instead.
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public unsafe struct sockaddr
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{
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// Disable CS0649: Field 'Interop.libc.sockaddr.sa_family' is never assigned to,
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// and will always have its default value 0
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#pragma warning disable 649
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public byte sa_len;
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public sa_family_t sa_family;
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#pragma warning restore 649
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}
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public struct in_addr
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{
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public uint s_addr; // Address in network byte order.
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}
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public struct sockaddr_in
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{
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public const int Size = 16;
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public byte sin_len; // sizeof(sockaddr_in)
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public sa_family_t sin_family; // Address family: AF_INET
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public in_port_t sin_port; // Port in network byte order
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public in_addr sin_addr; // Internet address
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private ulong padding; // 8 bytes of padding
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}
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public unsafe struct in6_addr
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{
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public fixed byte s6_addr[16]; // IPv6 address
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}
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public struct sockaddr_in6
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{
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public const int Size = 28;
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public byte sin6_len; // sizeof(sockaddr_in6)
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public sa_family_t sin6_family; // AF_INET6
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public in_port_t sin6_port; // Port number
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public uint sin6_flowinfo; // IPv6 flow information
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public in6_addr sin6_addr; // IPv6 address
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public uint sin6_scope_id; // Scope ID
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}
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}
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}

‎src/Common/src/Interop/Unix/libc/Interop.addrinfo.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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using socklen_t = System.UInt32;
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internal static partial class Interop
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{
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internal static partial class libc
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{
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public const int AI_NUMERICHOST = 0x0004; // Don't use name resolution.
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public const int AI_NUMERICSERV = 0x0400; // Don't use name resolution.
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public const int NI_NUMERICHOST = 1; // Don't try to look up hostname.
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public const int EAI_BADFLAGS = -1; // Invalid value for `ai_flags' field.
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public const int EAI_NONAME = -2; // NAME or SERVICE is unknown.
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public unsafe struct addrinfo
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{
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public int ai_flags;
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public int ai_family;
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public int ai_socktype;
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public int ai_protocol;
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public socklen_t ai_addrlen;
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public sockaddr* ai_addr;
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public byte* ai_canonname;
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public addrinfo* ai_next;
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}
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}
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}

‎src/Common/src/Interop/Unix/libc/Interop.freeaddrinfo.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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internal static partial class Interop
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{
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internal static partial class libc
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{
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[DllImport(Libraries.Libc)]
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public static extern unsafe void freeaddrinfo(addrinfo* res);
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}
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}

‎src/Common/src/Interop/Unix/libc/Interop.getaddrinfo.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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internal static partial class Interop
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{
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internal static partial class libc
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{
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[DllImport(Libraries.Libc, CharSet = CharSet.Ansi, SetLastError = true)]
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public static extern unsafe int getaddrinfo(string node, string service, addrinfo* hints, addrinfo** res);
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}
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}

‎src/Common/src/Interop/Unix/libc/Interop.getdomainname.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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using System.Text;
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internal static partial class Interop
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{
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internal static partial class libc
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{
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[DllImport(Libraries.Libc, SetLastError = true)]
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private static extern unsafe int getdomainname(byte* name, int len);
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internal static unsafe string getdomainname()
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{
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const int HOST_NAME_MAX = 255; // man getdomainname
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const int ArrLength = HOST_NAME_MAX + 1;
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byte* name = stackalloc byte[ArrLength];
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int err = getdomainname(name, ArrLength);
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if (err != 0)
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{
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// This should never happen. According to the man page,
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// the only possible errno for getdomainname is ENAMETOOLONG,
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// which should only happen if the buffer we supply isn't big
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// enough, and we're using a buffer size that the man page
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// says is the max for POSIX (and larger than the max for Linux).
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Debug.Fail("getdomainname failed");
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throw new InvalidOperationException(string.Format("getdomainname returned {0}", err));
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}
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// Marshal.PtrToStringAnsi uses UTF8 on Unix.
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return Marshal.PtrToStringAnsi((IntPtr)name);
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}
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}
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}

‎src/Common/src/Interop/Unix/libc/Interop.gethostname.cs

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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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using System.Text;
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@@ -18,20 +19,20 @@ internal static unsafe string gethostname()
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const int ArrLength = HOST_NAME_MAX + 1;
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2021
byte* name = stackalloc byte[ArrLength];
21-
int errno = gethostname(name, ArrLength);
22-
if (errno == 0)
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int err = gethostname(name, ArrLength);
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if (err != 0)
2324
{
24-
int nullPos = 0;
25-
for (; nullPos < ArrLength && name[nullPos] != '\0'; nullPos++) ;
26-
return Encoding.UTF8.GetString(name, nullPos);
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// This should never happen. According to the man page,
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// the only possible errno for gethostname is ENAMETOOLONG,
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// which should only happen if the buffer we supply isn't big
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// enough, and we're using a buffer size that the man page
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// says is the max for POSIX (and larger than the max for Linux).
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Debug.Fail("gethostname failed");
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throw new InvalidOperationException(string.Format("gethostname returned {0}", err));
2732
}
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// This should never happen. According to the man page,
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// the only possible errno for gethostname is ENAMETOOLONG,
31-
// which should only happen if the buffer we supply isn't big
32-
// enough, and we're using a buffer size that the man page
33-
// says is the max for POSIX (and larger than the max for Linux).
34-
throw new InvalidOperationException();
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// Marshal.PtrToStringAnsi uses UTF8 on Unix.
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return Marshal.PtrToStringAnsi((IntPtr)name);
3536
}
3637
}
3738
}

‎src/Common/src/Interop/Unix/libc/Interop.getnameinfo.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
7+
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using socklen_t = System.UInt32;
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10+
internal static partial class Interop
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{
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internal static partial class libc
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{
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[DllImport(Libraries.Libc, CharSet = CharSet.Ansi, SetLastError = true)]
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public static extern unsafe int getnameinfo(sockaddr* sa, socklen_t salen, StringBuilder host, socklen_t hostlen, StringBuilder serv, socklen_t servlen, int flags);
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}
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}

‎src/Common/src/Interop/Unix/libc/Interop.sockaddr.cs

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
3+
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
7+
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using in_port_t = System.UInt16;
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using sa_family_t = System.UInt16;
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internal static partial class Interop
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{
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internal static partial class libc
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{
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public const sa_family_t AF_UNSPEC = 0; // Unspecified.
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public const sa_family_t AF_UNIX = 1; // Local to host.
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public const sa_family_t AF_INET = 2; // IP protocol family.
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public const sa_family_t AF_INET6 = 10; // IP version 6.
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// NOTE: this type is incomplete, and its values should never be used directly.
21+
// Specific sockaddr types (e.g. sockaddr_in or sockaddr_in6) should be used instead.
22+
public unsafe struct sockaddr
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{
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// Disable CS0649: Field 'Interop.libc.sockaddr.sa_family' is never assigned to,
25+
// and will always have its default value 0
26+
#pragma warning disable 649
27+
public sa_family_t sa_family;
28+
#pragma warning restore 649
29+
}
30+
31+
public struct in_addr
32+
{
33+
public uint s_addr; // Address in network byte order.
34+
}
35+
36+
public struct sockaddr_in
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{
38+
public const int Size = 16;
39+
40+
public sa_family_t sin_family; // Address family: AF_INET
41+
public in_port_t sin_port; // Port in network byte order
42+
public in_addr sin_addr; // Internet address
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private ulong padding; // 8 bytes of padding
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}
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46+
public unsafe struct in6_addr
47+
{
48+
public fixed byte s6_addr[16]; // IPv6 address
49+
}
50+
51+
public struct sockaddr_in6
52+
{
53+
public const int Size = 28;
54+
55+
public sa_family_t sin6_family; // AF_INET6
56+
public in_port_t sin6_port; // Port number
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public uint sin6_flowinfo; // IPv6 flow information
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public in6_addr sin6_addr; // IPv6 address
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public uint sin6_scope_id; // Scope ID
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}
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}
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}

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