From 914a3808ebefb0f7f0a728469a2ce6b56dfc316c Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Mon, 15 Nov 2021 20:45:21 -0500
Subject: Http protocol support (#2012)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Use 'Process' to communicate with an command line tool.

* Remove slang-win-stream

* Tidy up windows ProcessUtil.

* First version of BufferedReadStream.

* Windows working IPC for steams.

* Test proxy count option.

* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.

* First implementation of Unix Process interface.

* Unix process compiles on cygwin.

* Fix typo in unix process.

* Separate unix pipe stream error of invalid access, from pipe availability.

* Fix in standard line extraction.

* Make fd non blocking.

* Fix issues with Windows Process streams.

* Added UnixPipe.

* Some fixes around UnixPipeStream.

* Make a unix stream closed explicit.

* Hack to debug linux process/stream.

* Revert to old linux pipe handling.

* Pass executable path for unit tests.
Split out CommandLine into own source.

* Small improvements in process/command line.

* Check process behavior with crash.

* Make stderr and stdout unbuffered for crash testing.

* Only turn disable buffering in crash test.

* Disable crash test on CI.

* Fix crash on clang/linux.

* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.

* Added inital processing for http headers.

* Small improvements to HttpHeader.

* First pass HTTPPacketConnection working on windows.

* Enable other Process communication tests.

* Update comments.
---
 tools/test-proxy/test-proxy-main.cpp | 50 +++++++++++++++++++++++++++++++++++-
 1 file changed, 49 insertions(+), 1 deletion(-)

(limited to 'tools/test-proxy/test-proxy-main.cpp')

diff --git a/tools/test-proxy/test-proxy-main.cpp b/tools/test-proxy/test-proxy-main.cpp
index 70efc8907..9a3523d71 100644
--- a/tools/test-proxy/test-proxy-main.cpp
+++ b/tools/test-proxy/test-proxy-main.cpp
@@ -17,6 +17,7 @@
 #include "../../source/core/slang-shared-library.h"
 
 #include "../../source/core/slang-test-tool-util.h"
+#include "../../source/core/slang-http.h"
 
 #include "tools/unit-test/slang-unit-test.h"
 
@@ -210,11 +211,53 @@ static SlangResult _outputReflect()
     }
 }
 
+static SlangResult _httpReflect(int argc, const char* const* argv)
+{
+    SLANG_UNUSED(argc);
+    SLANG_UNUSED(argv);
+
+    RefPtr<Stream> stdinStream, stdoutStream;
+
+    Process::getStdStream(Process::StreamType::StdIn, stdinStream);
+    Process::getStdStream(Process::StreamType::StdOut, stdoutStream);
+
+    RefPtr<BufferedReadStream> readStream(new BufferedReadStream(stdinStream));
+
+    RefPtr<HTTPPacketConnection> packetConnection = new HTTPPacketConnection(readStream, stdoutStream);
+
+    while (packetConnection->isActive())
+    {
+        // Block waiting for content (or error/closed)
+        SLANG_RETURN_ON_FAIL(packetConnection->waitForContent());
+
+        // If we have content do something with it
+        if (packetConnection->hasContent())
+        {
+            auto content = packetConnection->getContent();
+
+            // If it just holds 'end' then we are done
+            const UnownedStringSlice slice((const char*)content.begin(), content.getCount());
+
+            if (slice == UnownedStringSlice::fromLiteral("end"))
+            {
+                break;
+            }
+
+            // Else reflect it back
+            SLANG_RETURN_ON_FAIL(packetConnection->write(content.begin(), content.getCount()));
+
+            // Consume that content/packet
+            packetConnection->consumeContent();
+        }
+    }
+
+    return SLANG_OK;
+}
+
 static SlangResult execute(int argc, const char*const* argv)
 {
     typedef Slang::TestToolUtil::InnerMainFunc InnerMainFunc;
 
-    
     if (argc < 2)
     {
         return SLANG_FAIL;
@@ -235,6 +278,11 @@ static SlangResult execute(int argc, const char*const* argv)
         return _outputCount(argc, argv);
     }
 
+    if (toolName == "http-reflect")
+    {
+        return _httpReflect(argc, argv);
+    }
+
     {
         StringBuilder sharedLibToolBuilder;
         sharedLibToolBuilder.append(toolName);
-- 
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