Implement `IUtf8SpanParsable` on `IPAddress` and `IPNetwork` #102144

edwardneal · 2024-05-13T06:16:14Z

Relates to #81500. cc @tannergooding - hopefully this doesn't tread on any prior work.

This implements IUtf8SpanParsable on IPAddress and IPNetwork. It does so by making IPAddressParser generic between byte and char. Doing so needed deeper changes than I'd have liked (the separators aren't considered constants, which means that I had to swap a switch statement and its "goto case" statements for a set of if statements) As I did that, I replaced most of the unsafe code and pointers with ReadOnlySpans (which eliminates a pattern where downstream code was pinning an ROS and passing its pointer.)

IPAddressParser, IPv4AddressHelper and IPv6AddressHelper are shared with System.Net.Quic, System.Net.Security and System.Private.Uri. The changes to the first two projects are pretty minor, consisting of one change to TargetHostNameHelper. System.Private.Uri is similar, but it makes more extensive use of pointers.

There are two differences between this PR and the underlying issue:

I've added the public methods Parse(ReadOnlySpan<byte>) and TryParse(ReadOnlySpan<byte>, out IPNetwork) to IPNetwork.
IPNetwork implements IUtf8SpanParsable explicitly rather than implicitly.

In both cases, this is done to maintain consistency with the ISpanParsable members which were already implemented. I've taken this to be covered by the original API review.

It's worth noting that IPv6AddressHelper<TChar>.IsValid in System.Private.Uri continues to reference char* rather than ReadOnlySpan<TChar>. This is inconsistent, but I've left it alone for now. I'd prefer to address that in a follow-up PR which replaces the unsafe components from Uri.PrivateParseMinimal and the methods it calls with a ROS.

This is preparation for the work required to enable IUtf8SpanParsable support on IPAddress and IPNetwork. Also replaced a few instances of unsafe code with spans. This uses the same style of generic constraints as the numeric parsing in corelib (although it can't access IUtfChar<TSelf>.) All tests pass, although the UTF8 code paths haven't yet been tested. Some restructuring is pending as I plumb IPAddressParser to the updated generic methods. Future commits will handle the downstream dependencies of IPvXAddressHelper - at present, this looks like Uri and TargetHostNameHelper.

This allows me to eliminate the nested class and now-redundant generic type constraints on each method

These are just the changes required to make System.Private.Uri compile. * Split IPAddressParser and IPv6AddressHelper into multiple files and shared common components between projects. * Updated some of the Uri-specific additions to IPvXAddressHelper files to use spans. * Minor adjustments to project files to support the above.

Removed a using statement in the ref project, small reduction in the csproj diff for System.Net.Primitives

dotnet-issue-labeler · 2024-05-13T06:16:20Z

Note regarding the new-api-needs-documentation label:

This serves as a reminder for when your PR is modifying a ref *.cs file and adding/modifying public APIs, please make sure the API implementation in the src *.cs file is documented with triple slash comments, so the PR reviewers can sign off that change.

tannergooding · 2024-06-05T20:41:18Z

Hi @edwardneal, sorry for the delay in getting to this, I had missed the tag initially since this is under the networking area.

It's worth noting that IPAddress and IPNetwork are not part of APIs that #81500 was approved for, and so before this can move forward there needs to be a new API proposal that specifically asks for implementing IUtf8SpanParsable on these types.

That proposal should be straightforward and I expect have no issues going through API review, at which point this can likely get merged. If you could assist in opening such a proposal, that should help the process go along faster.

edwardneal · 2024-06-05T21:35:29Z

Thanks @tannergooding. Sorry for the confusion here - I read the original issue as approving the addition of IUtf8SpanParsable and IUtf8SpanFormattable to anything already implementing ISpanFormattable, and IPAddress and IPNetwork both do so. Should I just raise the API proposal for the additional IPNetwork.Parse(ReadOnlySpan<byte>) and IPNetwork.TryParse(ReadOnlySpan<byte>, out IPNetwork) methods and IPNetwork's explicit interface implementation, or should I also include IPAddress in that?

tannergooding · 2024-06-05T21:50:42Z

should I also include IPAddress in that?

We want to include all new public APIs and interfaces in the proposal whether that is for IUtf8SpanParsable, IUtf8SpanFormattable, or both; as well as any overloads beyond this.

I read the original issue as approving the addition of IUtf8SpanParsable and IUtf8SpanFormattable to anything already implementing ISpanFormattable

The general spirit behind the feature fits that, but we still do explicit review and sign-off as there are often edge cases that we may warrant different consideration.

karelz · 2024-06-06T15:00:04Z

Given that we are blocked on API review, I would recommend to either change the PR to Draft or close it, until the API is approved. @edwardneal what do you prefer and can you please do it? Thanks!

src/libraries/Common/src/Interop/Windows/IpHlpApi/Interop.ConvertInterfaceNameToLuid.cs

src/libraries/Common/src/System/Net/IPv6AddressHelper.Common.cs

stephentoub · 2024-10-03T16:07:22Z

src/libraries/Common/src/System/Net/NetworkInformation/InterfaceInfoPal.Windows.cs

+                }
+                buffer[buffer.Length - 1] = '\0';
+
+                if (Interop.IpHlpApi.ConvertInterfaceNameToLuid(buffer, ref interfaceLuid) != 0)


If this produces an error, but in the finally we then Free the native memory, will that end up corrupting whatever error code the caller might need to retrieve?

It won't on Windows: the documentation doesn't say that any of the methods changes the result of GetLastError, and testing confirms this - the return value is the only success/failure response, so there's no error code to corrupt. SetLastError was set to true on the interop definitions though, I've corrected this.

It will on Unix, so I've wrapped the Free in GetLastPInvokeError/SetLastPInvokeError as per the pattern in CriticalHandle.Cleanup.

stephentoub

Thanks! Left a few comments/questions, but otherwise LGTM.

* SetLastError has the correct value in the Windows interop layer. * Preserve InterfaceNameToIndex's errno in the Unix InterfaceInfoPal.

MihaZupan · 2024-10-06T12:36:33Z

@EgorBot

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System;
using System.Net;

public class Bench
{
    [Benchmark]
    [Arguments("192.168.0.1")]
    [Arguments("4294967295")]
    [Arguments("037777777777")]
    [Arguments("0xff.0x7f.0x20.0x01")]
    [Arguments("192.168.0.0/16")]
    [Arguments("::192.168.0.1")]
    [Arguments("100:0:1:2:0:0:000:abcd")]
    [Arguments("Fe08::1%13542")]
    [Arguments("1:2:3:4:5:6:7:8::")]
    public bool TryParse(string s) => IPAddress.TryParse(s, out _);

    [Benchmark]
    [Arguments("http://192.168.0.1:123/foo")]
    [Arguments("http://[100:0:1:2:0:0:000:abcd]:123/foo")]
    public string UriHost(string s) => new Uri(s).Host;
}

edwardneal · 2024-10-06T19:05:31Z

Thanks MihaZupan. That's quite a wide regression in ::192.168.0.1, and I don't see a clear reason why. Some performance is left on the table in HexConverter.FromChar and similar (it doesn't cast its input to a uint, so the JIT doesn't elide the bounds check and we end up performing it twice) but we were using that method anyway - just indirectly, as a result of calling Uri.FromHex. In any event though, this method isn't called in the slower case - that test case's code path hasn't actually changed.

I've reverted the only other difference so that there's a common baseline, and I'll keep looking at this. I'm faintly suspicious that passing around an int rather than a char is causing the JIT to implicitly reintroduce bounds checks, but I wouldn't expect them to have such a large impact in this case.

EgorBo · 2024-10-06T23:22:31Z

Some performance is left on the table in HexConverter.FromChar and similar (it doesn't cast its input to a uint, so the JIT doesn't elide the bounds check and we end up performing it twice)

Can you point me exactly to the non-elided bound check? Last I checked, all users of FromChar give it something JIT can see it's never negative. E.g. Uri.FromHex passes char to HexConverter.FromChar, hence, never negative.

edwardneal · 2024-10-07T04:25:04Z

I agree. FromChar is defined as

[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int FromChar(int c)
{
    return c >= CharToHexLookup.Length ? 0xFF : CharToHexLookup[c];
}

c isn't cast to an unsigned type before the comparison to CharToHexLookup.Length, so if the caller passes it an int then a bounds check is performed.

That's not normally a problem - like you said, Uri.FromHex passes it a char, so when it's inlined it makes perfect sense that the JIT can see which datatype is really being passed around. I'm passing it an integer though, so the bounds check would likely remain.

I'm hesitant to say that it's the only cause of the performance regression because when I benchmarked it, the bounds checks only introduced a 0.2ns/call performance gap, even on a slower laptop. I'm going to test the idea over the next few days (edit: this'll likely be the weekend now, sorry.)

Updating on this: investigating the performance regressions led to a few places where CreateTruncating of a non-constant value performed a few nanoseconds slower than I'd expected, in the middle of a number of hot loops. I've replaced this with a separate ToUShort method, which performs a direct cast.

The UriHost benchmarks were stranger. As best I can tell, IPv4AddressHelper.Parse's resultant assembly was 200 bytes smaller when JITed under the PR environment than when JITed under .NET 9.0 RC2. This led to a number of different inlining decisions. I've brought the PR up to date with the main branch and re-run the benchmarks... they look roughly acceptable to me.

Prior to code review

BenchmarkDotNet v0.14.0, Windows 10 (10.0.20348.2582) (Hyper-V)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 9.0.100-rc.2.24474.11
  [Host]   : .NET 9.0.0 (9.0.24.47305), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Baseline : .NET 9.0.0 (9.0.24.47305), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  CoreRun  : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Job	Runtime	s	Mean	Error	StdDev	Ratio	Gen0	Code Size	Allocated	Alloc Ratio
TryParse	Baseline	.NET 9.0	::192.168.0.1	83.40 ns	0.421 ns	0.393 ns	1.00	0.0031	3,363 B	80 B	1.00
TryParse	CoreRun	.NET 10.0	::192.168.0.1	82.96 ns	0.256 ns	0.227 ns	0.99	0.0031	71 B	80 B	1.00

TryParse	Baseline	.NET 9.0	037777777777	29.75 ns	0.194 ns	0.182 ns	1.00	0.0015	1,730 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	037777777777	26.48 ns	0.111 ns	0.104 ns	0.89	0.0016	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	0xff.0x7f.0x20.0x01	36.47 ns	0.122 ns	0.108 ns	1.00	0.0015	1,725 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	0xff.0x7f.0x20.0x01	31.04 ns	0.179 ns	0.167 ns	0.85	0.0015	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	1:2:3:4:5:6:7:8::	46.71 ns	0.041 ns	0.037 ns	1.00	-	1,996 B	-	NA
TryParse	CoreRun	.NET 10.0	1:2:3:4:5:6:7:8::	44.48 ns	0.074 ns	0.066 ns	0.95	-	71 B	-	NA

TryParse	Baseline	.NET 9.0	100:0(...):abcd [22]	116.31 ns	0.318 ns	0.282 ns	1.00	0.0031	3,013 B	80 B	1.00
TryParse	CoreRun	.NET 10.0	100:0(...):abcd [22]	109.84 ns	0.174 ns	0.163 ns	0.94	0.0031	71 B	80 B	1.00

TryParse	Baseline	.NET 9.0	192.168.0.0/16	22.89 ns	0.052 ns	0.049 ns	1.00	-	1,708 B	-	NA
TryParse	CoreRun	.NET 10.0	192.168.0.0/16	22.29 ns	0.147 ns	0.130 ns	0.97	-	71 B	-	NA

TryParse	Baseline	.NET 9.0	192.168.0.1	29.99 ns	0.226 ns	0.211 ns	1.00	0.0015	1,750 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	192.168.0.1	28.78 ns	0.202 ns	0.179 ns	0.96	0.0015	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	4294967295	24.58 ns	0.104 ns	0.097 ns	1.00	0.0016	1,766 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	4294967295	24.98 ns	0.189 ns	0.177 ns	1.02	0.0016	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	Fe08::1%13542	78.23 ns	0.186 ns	0.174 ns	1.00	0.0048	3,413 B	120 B	1.00
TryParse	CoreRun	.NET 10.0	Fe08::1%13542	65.86 ns	0.224 ns	0.210 ns	0.84	0.0031	71 B	80 B	0.67

UriHost	Baseline	.NET 9.0	http:(...)3/foo [39]	415.16 ns	0.485 ns	0.454 ns	1.00	0.0076	17,319 B	192 B	1.00
UriHost	CoreRun	.NET 10.0	http:(...)3/foo [39]	373.66 ns	1.215 ns	1.077 ns	0.90	0.0076	17,769 B	192 B	1.00

UriHost	Baseline	.NET 9.0	http:(...)3/foo [26]	227.89 ns	0.270 ns	0.252 ns	1.00	0.0072	15,314 B	184 B	1.00
UriHost	CoreRun	.NET 10.0	http:(...)3/foo [26]	228.84 ns	0.269 ns	0.224 ns	1.00	0.0072	16,081 B	184 B	1.00

Post code review


BenchmarkDotNet v0.14.0, Windows 10 (10.0.20348.2582) (Hyper-V)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 9.0.100-rc.2.24474.11
  [Host]   : .NET 9.0.0 (9.0.24.47305), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Baseline : .NET 9.0.0 (9.0.24.47305), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  CoreRun  : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Job	Runtime	s	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Code Size	Allocated	Alloc Ratio
TryParse	Baseline	.NET 9.0	::192.168.0.1	81.18 ns	0.306 ns	0.271 ns	1.00	0.00	0.0031	3,341 B	80 B	1.00
TryParse	CoreRun	.NET 10.0	::192.168.0.1	74.32 ns	0.815 ns	0.763 ns	0.92	0.01	0.0031	71 B	80 B	1.00

TryParse	Baseline	.NET 9.0	037777777777	28.85 ns	0.157 ns	0.146 ns	1.00	0.01	0.0015	1,730 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	037777777777	25.44 ns	0.266 ns	0.249 ns	0.88	0.01	0.0016	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	0xff.0x7f.0x20.0x01	35.73 ns	0.309 ns	0.289 ns	1.00	0.01	0.0015	1,725 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	0xff.0x7f.0x20.0x01	29.78 ns	0.244 ns	0.216 ns	0.83	0.01	0.0015	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	1:2:3:4:5:6:7:8::	46.69 ns	0.042 ns	0.033 ns	1.00	0.00	-	1,966 B	-	NA
TryParse	CoreRun	.NET 10.0	1:2:3:4:5:6:7:8::	44.08 ns	0.108 ns	0.090 ns	0.94	0.00	-	71 B	-	NA

TryParse	Baseline	.NET 9.0	100:0(...):abcd [22]	114.79 ns	0.407 ns	0.381 ns	1.00	0.00	0.0031	3,013 B	80 B	1.00
TryParse	CoreRun	.NET 10.0	100:0(...):abcd [22]	106.68 ns	0.706 ns	0.660 ns	0.93	0.01	0.0031	71 B	80 B	1.00

TryParse	Baseline	.NET 9.0	192.168.0.0/16	22.88 ns	0.066 ns	0.062 ns	1.00	0.00	-	1,708 B	-	NA
TryParse	CoreRun	.NET 10.0	192.168.0.0/16	22.01 ns	0.165 ns	0.155 ns	0.96	0.01	-	71 B	-	NA

TryParse	Baseline	.NET 9.0	192.168.0.1	28.77 ns	0.251 ns	0.235 ns	1.00	0.01	0.0015	1,750 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	192.168.0.1	27.31 ns	0.282 ns	0.264 ns	0.95	0.01	0.0016	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	4294967295	23.37 ns	0.315 ns	0.295 ns	1.00	0.02	0.0016	1,766 B	40 B	1.00
TryParse	CoreRun	.NET 10.0	4294967295	23.70 ns	0.166 ns	0.155 ns	1.01	0.01	0.0016	71 B	40 B	1.00

TryParse	Baseline	.NET 9.0	Fe08::1%13542	75.05 ns	0.848 ns	0.793 ns	1.00	0.01	0.0048	3,415 B	120 B	1.00
TryParse	CoreRun	.NET 10.0	Fe08::1%13542	63.02 ns	0.704 ns	0.658 ns	0.84	0.01	0.0031	71 B	80 B	0.67

UriHost	Baseline	.NET 9.0	http:(...)3/foo [39]	410.91 ns	0.532 ns	0.444 ns	1.00	0.00	0.0076	17,316 B	192 B	1.00
UriHost	CoreRun	.NET 10.0	http:(...)3/foo [39]	364.69 ns	0.556 ns	0.520 ns	0.89	0.00	0.0076	18,560 B	192 B	1.00

UriHost	Baseline	.NET 9.0	http:(...)3/foo [26]	229.11 ns	0.663 ns	0.588 ns	1.00	0.00	0.0072	15,314 B	184 B	1.00
UriHost	CoreRun	.NET 10.0	http:(...)3/foo [26]	229.23 ns	0.923 ns	0.863 ns	1.00	0.00	0.0072	16,081 B	184 B	1.00

Pending any surprises from CI, I'll re-request the benchmark from EgorBot.

* Replaced int.CreateTruncating with a JIT pattern which converts from TChar to a ushort. * Removed various TChar.CreateTruncating constants, reinstating direct character constants. * Replaced branch statements when parsing IPv4 numerics with a HexConverter lookup. * IPv4 parts stored in an array of longs to improve register usage. * Small improvement in reassembly to eliminate extra array access. * Reverted changes to Uri parsing layer, removing the translation logic between a Span and a pointer for IPv4 addresses.

…ss-ipnetwork

MihaZupan

Thank you

src/libraries/Common/src/System/Net/IPv4AddressHelper.Common.cs

src/libraries/Common/src/System/Net/IPv6AddressHelper.Common.cs

src/libraries/Common/src/System/Net/NetworkInformation/InterfaceInfoPal.Unix.cs

* Replaced ushorts with integers to remove some zero-extensions. * Replaced NativeMemory with an ArrayPool<byte>. * Removed unnecessary assignment to ch.

MihaZupan · 2024-10-24T11:50:36Z

@EgorBot

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System;
using System.Net;

public class Bench
{
    [Benchmark]
    [Arguments("192.168.0.1")]
    [Arguments("4294967295")]
    [Arguments("037777777777")]
    [Arguments("0xff.0x7f.0x20.0x01")]
    [Arguments("192.168.0.0/16")]
    [Arguments("::192.168.0.1")]
    [Arguments("100:0:1:2:0:0:000:abcd")]
    [Arguments("Fe08::1%13542")]
    [Arguments("1:2:3:4:5:6:7:8::")]
    public bool TryParse(string s) => IPAddress.TryParse(s, out _);

    [Benchmark]
    [Arguments("http://192.168.0.1:123/foo")]
    [Arguments("http://[100:0:1:2:0:0:000:abcd]:123/foo")]
    public string UriHost(string s) => new Uri(s).Host;
}

MihaZupan

Thanks for sticking through all the reviews, change & perf LGTM

edwardneal · 2024-10-24T16:55:42Z

That's great, thanks for your patience @MihaZupan and everyone who reviewed. There are a few optimisations which I want to pick up from the earlier revisions, but I'll definitely re-read the earlier conversations on this PR first - I'm fairly sure I dragged the review process out by missing the point of some of them!

edwardneal added 10 commits May 6, 2024 17:07

Moved generic type definitions to parser classes

2bf97eb

This allows me to eliminate the nested class and now-redundant generic type constraints on each method

Implemented IUtf8SpanParsable

223cece

Post-Uri testing, corrected additional uses of IPvXAddressHelper

4e580ac

Added IUtf8SpanParsable unit tests

8ff7241

Implemented IUtf8SpanParsable on IPNetwork, added tests

f627e44

Brief tidy-up of System.Net.Primitives ref project and csproj

1f52945

Removed a using statement in the ref project, small reduction in the csproj diff for System.Net.Primitives

Further cleanup of System.Net.Primitives.Pal.Tests csproj

3710a7a

Further cleanup of System.Net.Primitives.UnitTests.Tests csproj

1f4968c

dotnet-issue-labeler bot added area-System.Net new-api-needs-documentation labels May 13, 2024

dotnet-policy-service bot added the community-contribution Indicates that the PR has been added by a community member label May 13, 2024

Correctly setting bytesConsumed in IPv4AddressHelper.ParseNonCanonical

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antonfirsov mentioned this pull request May 14, 2024

IUtf8SpanFormattable and IUtf8SpanParsable #81500

Open

edwardneal mentioned this pull request Jun 6, 2024

[API Proposal]: Implement IUtf8SpanParsable on IPAddress & IPNetwork #103111

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karelz added the blocked Issue/PR is blocked on something - see comments label Jun 6, 2024

karelz requested a review from tannergooding June 6, 2024 15:00

karelz assigned tannergooding Jun 6, 2024

edwardneal marked this pull request as draft June 6, 2024 16:42

MihaZupan marked this pull request as ready for review June 14, 2024 20:33

Merge branch 'dotnet:main' into issue-81500-ipaddress-ipnetwork

3c6e190

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src/libraries/Common/src/Interop/Windows/IpHlpApi/Interop.ConvertInterfaceNameToLuid.cs Outdated Show resolved Hide resolved

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stephentoub reviewed Oct 3, 2024

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Corrected PInvoke signatures and Unix InterfaceInfoPal

038d3a6

* SetLastError has the correct value in the Windows interop layer. * Preserve InterfaceNameToIndex's errno in the Unix InterfaceInfoPal.

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restarted. Azure DevOps can't recover from restarts. dotnet/dnceng#3879

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System.Runtime.Tests.WorkItemExecution "crash" on tvOS #106319

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iOS tests failing with WORKLOAD TIMED OUT - Killing user command. #108103

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EgorBot for MihaZupan in #102144 EgorBot/runtime-utils#115

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Continued work with code review feedback & benchmark

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edwardneal added 2 commits October 19, 2024 20:38

Merge remote-tracking branch 'upstream/main' into issue-81500-ipaddre…

1b5ad81

…ss-ipnetwork

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System.Net.Http.Functional.Tests.TelemetryTest failing with differing string #109024

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Following code review

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* Replaced ushorts with integers to remove some zero-extensions. * Replaced NativeMemory with an ArrayPool<byte>. * Removed unnecessary assignment to ch.

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Implement `IUtf8SpanParsable` on `IPAddress` and `IPNetwork` #102144

Implement `IUtf8SpanParsable` on `IPAddress` and `IPNetwork` #102144

edwardneal commented May 13, 2024 •

edited by MihaZupan

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Implement IUtf8SpanParsable on IPAddress and IPNetwork #102144

Implement IUtf8SpanParsable on IPAddress and IPNetwork #102144

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MihaZupan commented Oct 6, 2024

edwardneal commented Oct 6, 2024 • edited Loading

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edwardneal commented Oct 24, 2024

Implement `IUtf8SpanParsable` on `IPAddress` and `IPNetwork` #102144

Implement `IUtf8SpanParsable` on `IPAddress` and `IPNetwork` #102144

edwardneal commented May 13, 2024 •

edited by MihaZupan

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edwardneal commented Oct 6, 2024 •

edited

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EgorBo commented Oct 6, 2024 •

edited

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edited

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