fix #156: support for multiple HTTP response headers with the same name

Author: tjanczuk

Diff for: src/iisnode/chttpprotocol.cpp

@@ -498,7 +498,7 @@ HRESULT CHttpProtocol::ParseResponseHeaders(CNodeHttpStoredContext* context)
 			while (*(data + nameEndOffset) == ' ') // data is already zero-terminated, so this loop has sentinel value
 				nameEndOffset++;
 
-			CheckError(response->SetHeader(data + offset, data + nameEndOffset, valueEndOffset - nameEndOffset, TRUE));
+			CheckError(response->SetHeader(data + offset, data + nameEndOffset, valueEndOffset - nameEndOffset, FALSE));
 		}
 		else if ((valueEndOffset - nameEndOffset) >= 5 && 0 == memcmp((void*)(data + valueEndOffset - 5), "close", 5))
 		{

Diff for: src/iisnode/iisnode.vcxproj

@@ -255,6 +255,7 @@ copy /y $(ProjectDir)\..\config\* $(ProjectDir)\..\..\build\$(Configuration)\$(P
     <None Include="..\..\test\functional\tests\119_servervars.js" />
     <None Include="..\..\test\functional\tests\120_dev_errors_exception.js" />
     <None Include="..\..\test\functional\tests\121_watchedFiles.js" />
+    <None Include="..\..\test\functional\tests\122_multipleResponseHeaders.js" />
     <None Include="..\..\test\functional\tests\200_samples.bat" />
     <None Include="..\..\test\functional\tests\node_modules\iisnodeassert.js" />
     <None Include="..\..\test\functional\tests\parts\106_autoupdate_first.js" />
@@ -310,6 +311,8 @@ copy /y $(ProjectDir)\..\config\* $(ProjectDir)\..\..\build\$(Configuration)\$(P
     <None Include="..\..\test\functional\www\120_dev_errors_exception\web.config" />
     <None Include="..\..\test\functional\www\121_watchedFiles\hello.js" />
     <None Include="..\..\test\functional\www\121_watchedFiles\web.config" />
+    <None Include="..\..\test\functional\www\122_multipleResponseHeaders\hello.js" />
+    <None Include="..\..\test\functional\www\122_multipleResponseHeaders\web.config" />
     <None Include="..\..\test\performance\client.bat" />
     <None Include="..\..\test\performance\localRun.bat" />
     <None Include="..\..\test\performance\readme.txt" />

Diff for: src/iisnode/iisnode.vcxproj.filters

@@ -132,6 +132,9 @@
     <Filter Include="Tests\functional\www\121_watchedFiles">
       <UniqueIdentifier>{53a23746-6411-4600-8315-bc8a1b2120da}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Tests\functional\www\122_multipleResponseHeaders">
+      <UniqueIdentifier>{53b5e674-69d5-4bae-9629-49cd8b7c7c45}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="main.cpp">
@@ -576,6 +579,15 @@
     <None Include="..\..\test\functional\www\121_watchedFiles\web.config">
       <Filter>Tests\functional\www\121_watchedFiles</Filter>
     </None>
+    <None Include="..\..\test\functional\www\122_multipleResponseHeaders\hello.js">
+      <Filter>Tests\functional\www\122_multipleResponseHeaders</Filter>
+    </None>
+    <None Include="..\..\test\functional\www\122_multipleResponseHeaders\web.config">
+      <Filter>Tests\functional\www\122_multipleResponseHeaders</Filter>
+    </None>
+    <None Include="..\..\test\functional\tests\122_multipleResponseHeaders.js">
+      <Filter>Tests\functional\tests</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="iisnode.rc" />

Diff for: test/functional/tests/122_multipleResponseHeaders.js

@@ -0,0 +1,26 @@
+/*
+A simple GET request receives a hello world response
+*/
+
+var net = require('net')
+    , assert = require('assert');
+
+var timeout = setTimeout(function () {
+    console.error('Timeout occurred');
+    assert.ok(false, 'request timed out');
+}, 10000);
+
+var host = process.env.IISNODETEST_HOST || 'localhost';
+var port = process.env.IISNODETEST_PORT || 31415;
+
+var client = net.connect(port, host, function () {
+    client.setEncoding('utf8');
+    client.write('GET /122_multipleResponseHeaders/hello.js HTTP/1.1\r\nHost: ' + host + ':' + port + '\r\n\r\n');
+});
+
+client.on('data', function (data) {
+    clearTimeout(timeout);
+    assert.ok(data.indexOf('Foo: Val1') > 0, 'First instance of Foo header exists in the response');
+    assert.ok(data.indexOf('Foo: Val2') > 0, 'Second instance of Foo header exists in the response');
+    client.end();
+});

Diff for: test/functional/www/122_multipleResponseHeaders/hello.js

@@ -0,0 +1,6 @@
+var http = require('http');
+
+http.createServer(function (req, res) {
+    res.writeHead(200, [['Foo','Val1'], ['Foo','Val2']]);
+    res.end('Hello, world!');
+}).listen(process.env.PORT);  

Diff for: test/functional/www/122_multipleResponseHeaders/web.config

@@ -0,0 +1,7 @@
+<configuration>
+  <system.webServer>
+    <handlers>
+      <add name="iisnode" path="hello.js" verb="*" modules="iisnode" />
+    </handlers>
+  </system.webServer>
+</configuration>