From 9a51949cb4c833dcacf2a5803a8f2753273941c8 Mon Sep 17 00:00:00 2001
From: lbsa71
Date: Wed, 4 Jul 2007 11:47:32 +0000
Subject: * Added StreamHandler support * Implemented RestStreamHandler * Some
 caps functions now use it * Moved out RestMethodEntry from httpserver * The
 IStreamHandler interface now reports required method and Content-Type

---
 OpenSim/Framework/Servers/BaseHttpServer.cs        | 63 ++++++++--------------
 OpenSim/Framework/Servers/IStreamHandler.cs        |  9 +++-
 .../Servers/OpenSim.Framework.Servers.csproj       | 49 +++++++++--------
 .../Servers/OpenSim.Framework.Servers.dll.build    |  3 ++
 OpenSim/Framework/Servers/RestMethodEntry.cs       | 27 ++++++++++
 OpenSim/Framework/Servers/RestStreamHandler.cs     | 34 +++++++++++-
 6 files changed, 116 insertions(+), 69 deletions(-)
 create mode 100644 OpenSim/Framework/Servers/RestMethodEntry.cs

(limited to 'OpenSim/Framework')

diff --git a/OpenSim/Framework/Servers/BaseHttpServer.cs b/OpenSim/Framework/Servers/BaseHttpServer.cs
index 8fa577c..9831108 100644
--- a/OpenSim/Framework/Servers/BaseHttpServer.cs
+++ b/OpenSim/Framework/Servers/BaseHttpServer.cs
@@ -40,27 +40,6 @@ namespace OpenSim.Framework.Servers
 {
     public class BaseHttpServer
     {
-        protected class RestMethodEntry
-        {
-            private string m_path;
-            public string Path
-            {
-                get { return m_path; }
-            }
-
-            private RestMethod m_restMethod;
-            public RestMethod RestMethod
-            {
-                get { return m_restMethod; }
-            }
-
-            public RestMethodEntry(string path, RestMethod restMethod)
-            {
-                m_path = path;
-                m_restMethod = restMethod;
-            }
-        }
-
         protected Thread m_workerThread;
         protected HttpListener m_httpListener;
         protected Dictionary<string, RestMethodEntry> m_restHandlers = new Dictionary<string, RestMethodEntry>();
@@ -74,9 +53,10 @@ namespace OpenSim.Framework.Servers
             m_port = port;
         }
 
-        private void AddStreamHandler(string path, IStreamHandler handler)
+        public void AddStreamHandler( string path, IStreamHandler handler)
         {
-            m_streamHandlers.Add(path, handler);
+            string handlerKey = handler.HttpMethod + ":" + path;
+            m_streamHandlers.Add(handlerKey, handler);
         }
 
         public bool AddRestHandler(string method, string path, RestMethod handler)
@@ -179,18 +159,12 @@ namespace OpenSim.Framework.Servers
         {
             string responseString = String.Empty;
 
-            try
-            {
-                XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(requestBody);
+            XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(requestBody);
 
-                string methodName = request.MethodName;
+            string methodName = request.MethodName;
+
+            responseString = ProcessXMLRPCMethod(methodName, request);
 
-                responseString = ProcessXMLRPCMethod(methodName, request);
-            }
-            catch
-            {
-                //Console.WriteLine(e.ToString());
-            }
             return responseString;
         }
 
@@ -205,12 +179,19 @@ namespace OpenSim.Framework.Servers
             response.SendChunked = false;
 
             string path = request.RawUrl;
+            string handlerKey = request.HttpMethod + ":" + path;
 
             IStreamHandler streamHandler;
 
-            if(TryGetStreamHandler(path, out streamHandler))
+            if (TryGetStreamHandler( handlerKey, out streamHandler))
             {
-                streamHandler.Handle(path, request.InputStream, response.OutputStream );
+                byte[] buffer = streamHandler.Handle(path, request.InputStream );
+                request.InputStream.Close();
+
+                response.ContentType = streamHandler.ContentType;
+                response.ContentLength64 = buffer.LongLength;
+                response.OutputStream.Write(buffer, 0, buffer.Length);
+                response.OutputStream.Close();
             }
             else
             {
@@ -218,22 +199,22 @@ namespace OpenSim.Framework.Servers
             }
         }
 
-        private bool TryGetStreamHandler(string path, out IStreamHandler streamHandler )
+        private bool TryGetStreamHandler(string handlerKey, out IStreamHandler streamHandler)
         {
             string bestMatch = null;
-            
+
             foreach (string pattern in m_streamHandlers.Keys)
             {
-                if (path.StartsWith(pattern))
-                {                    
-                    if (String.IsNullOrEmpty( bestMatch ) || pattern.Length > bestMatch.Length)
+                if (handlerKey.StartsWith(pattern))
+                {
+                    if (String.IsNullOrEmpty(bestMatch) || pattern.Length > bestMatch.Length)
                     {
                         bestMatch = pattern;
                     }
                 }
             }
 
-            if( String.IsNullOrEmpty( bestMatch ) )
+            if (String.IsNullOrEmpty(bestMatch))
             {
                 streamHandler = null;
                 return false;
diff --git a/OpenSim/Framework/Servers/IStreamHandler.cs b/OpenSim/Framework/Servers/IStreamHandler.cs
index 88ae641..bc76e9c 100644
--- a/OpenSim/Framework/Servers/IStreamHandler.cs
+++ b/OpenSim/Framework/Servers/IStreamHandler.cs
@@ -7,6 +7,13 @@ namespace OpenSim.Framework.Servers
 {
     public interface IStreamHandler
     {
-        void Handle(string path, Stream request, Stream response);
+        // Handle request stream, return byte array
+        byte[] Handle(string path, Stream request );
+        
+        // Return response content type
+        string ContentType { get; }
+        
+        // Return required http method
+        string HttpMethod { get;}
     }
 }
diff --git a/OpenSim/Framework/Servers/OpenSim.Framework.Servers.csproj b/OpenSim/Framework/Servers/OpenSim.Framework.Servers.csproj
index 956a9bc..555bd5d 100644
--- a/OpenSim/Framework/Servers/OpenSim.Framework.Servers.csproj
+++ b/OpenSim/Framework/Servers/OpenSim.Framework.Servers.csproj
@@ -1,4 +1,4 @@
-<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <ProjectType>Local</ProjectType>
     <ProductVersion>8.0.50727</ProductVersion>
@@ -6,8 +6,7 @@
     <ProjectGuid>{2CC71860-0000-0000-0000-000000000000}</ProjectGuid>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ApplicationIcon>
-    </ApplicationIcon>
+    <ApplicationIcon></ApplicationIcon>
     <AssemblyKeyContainerName>
     </AssemblyKeyContainerName>
     <AssemblyName>OpenSim.Framework.Servers</AssemblyName>
@@ -16,11 +15,9 @@
     <DefaultTargetSchema>IE50</DefaultTargetSchema>
     <DelaySign>false</DelaySign>
     <OutputType>Library</OutputType>
-    <AppDesignerFolder>
-    </AppDesignerFolder>
+    <AppDesignerFolder></AppDesignerFolder>
     <RootNamespace>OpenSim.Framework.Servers</RootNamespace>
-    <StartupObject>
-    </StartupObject>
+    <StartupObject></StartupObject>
     <FileUpgradeFlags>
     </FileUpgradeFlags>
   </PropertyGroup>
@@ -31,8 +28,7 @@
     <ConfigurationOverrideFile>
     </ConfigurationOverrideFile>
     <DefineConstants>TRACE;DEBUG</DefineConstants>
-    <DocumentationFile>
-    </DocumentationFile>
+    <DocumentationFile></DocumentationFile>
     <DebugSymbols>True</DebugSymbols>
     <FileAlignment>4096</FileAlignment>
     <Optimize>False</Optimize>
@@ -41,8 +37,7 @@
     <RemoveIntegerChecks>False</RemoveIntegerChecks>
     <TreatWarningsAsErrors>False</TreatWarningsAsErrors>
     <WarningLevel>4</WarningLevel>
-    <NoWarn>
-    </NoWarn>
+    <NoWarn></NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <AllowUnsafeBlocks>False</AllowUnsafeBlocks>
@@ -51,8 +46,7 @@
     <ConfigurationOverrideFile>
     </ConfigurationOverrideFile>
     <DefineConstants>TRACE</DefineConstants>
-    <DocumentationFile>
-    </DocumentationFile>
+    <DocumentationFile></DocumentationFile>
     <DebugSymbols>False</DebugSymbols>
     <FileAlignment>4096</FileAlignment>
     <Optimize>True</Optimize>
@@ -61,24 +55,22 @@
     <RemoveIntegerChecks>False</RemoveIntegerChecks>
     <TreatWarningsAsErrors>False</TreatWarningsAsErrors>
     <WarningLevel>4</WarningLevel>
-    <NoWarn>
-    </NoWarn>
+    <NoWarn></NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="libsecondlife.dll">
+    <Reference Include="libsecondlife.dll" >
       <HintPath>..\..\..\bin\libsecondlife.dll</HintPath>
       <Private>False</Private>
     </Reference>
-    <Reference Include="System">
+    <Reference Include="System" >
       <HintPath>System.dll</HintPath>
       <Private>False</Private>
     </Reference>
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml">
+    <Reference Include="System.Xml" >
       <HintPath>System.Xml.dll</HintPath>
       <Private>False</Private>
     </Reference>
-    <Reference Include="XMLRPC.dll">
+    <Reference Include="XMLRPC.dll" >
       <HintPath>..\..\..\bin\XMLRPC.dll</HintPath>
       <Private>False</Private>
     </Reference>
@@ -88,13 +80,13 @@
       <Name>OpenSim.Framework</Name>
       <Project>{8ACA2445-0000-0000-0000-000000000000}</Project>
       <Package>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</Package>
-      <Private>False</Private>
+			<Private>False</Private>
     </ProjectReference>
     <ProjectReference Include="..\Console\OpenSim.Framework.Console.csproj">
       <Name>OpenSim.Framework.Console</Name>
       <Project>{A7CD0630-0000-0000-0000-000000000000}</Project>
       <Package>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</Package>
-      <Private>False</Private>
+			<Private>False</Private>
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
@@ -107,14 +99,21 @@
     <Compile Include="ILlsdMethodHandler.cs">
       <SubType>Code</SubType>
     </Compile>
-    <Compile Include="IStreamHandler.cs" />
+    <Compile Include="IStreamHandler.cs">
+      <SubType>Code</SubType>
+    </Compile>
     <Compile Include="LlsdMethod.cs">
       <SubType>Code</SubType>
     </Compile>
     <Compile Include="RestMethod.cs">
       <SubType>Code</SubType>
     </Compile>
-    <Compile Include="RestStreamHandler.cs" />
+    <Compile Include="RestMethodEntry.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="RestStreamHandler.cs">
+      <SubType>Code</SubType>
+    </Compile>
     <Compile Include="UDPServerBase.cs">
       <SubType>Code</SubType>
     </Compile>
@@ -129,4 +128,4 @@
     <PostBuildEvent>
     </PostBuildEvent>
   </PropertyGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/OpenSim/Framework/Servers/OpenSim.Framework.Servers.dll.build b/OpenSim/Framework/Servers/OpenSim.Framework.Servers.dll.build
index 22d98dc..a3d140f 100644
--- a/OpenSim/Framework/Servers/OpenSim.Framework.Servers.dll.build
+++ b/OpenSim/Framework/Servers/OpenSim.Framework.Servers.dll.build
@@ -14,8 +14,11 @@
                 <include name="BaseHttpServer.cs" />
                 <include name="CheckSumServer.cs" />
                 <include name="ILlsdMethodHandler.cs" />
+                <include name="IStreamHandler.cs" />
                 <include name="LlsdMethod.cs" />
                 <include name="RestMethod.cs" />
+                <include name="RestMethodEntry.cs" />
+                <include name="RestStreamHandler.cs" />
                 <include name="UDPServerBase.cs" />
                 <include name="XmlRpcMethod.cs" />
             </sources>
diff --git a/OpenSim/Framework/Servers/RestMethodEntry.cs b/OpenSim/Framework/Servers/RestMethodEntry.cs
new file mode 100644
index 0000000..ab926e0
--- /dev/null
+++ b/OpenSim/Framework/Servers/RestMethodEntry.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenSim.Framework.Servers
+{
+    public class RestMethodEntry
+    {
+        private string m_path;
+        public string Path
+        {
+            get { return m_path; }
+        }
+
+        private RestMethod m_restMethod;
+        public RestMethod RestMethod
+        {
+            get { return m_restMethod; }
+        }
+
+        public RestMethodEntry(string path, RestMethod restMethod)
+        {
+            m_path = path;
+            m_restMethod = restMethod;
+        }
+    }
+}
diff --git a/OpenSim/Framework/Servers/RestStreamHandler.cs b/OpenSim/Framework/Servers/RestStreamHandler.cs
index 145a184..64d6ea3 100644
--- a/OpenSim/Framework/Servers/RestStreamHandler.cs
+++ b/OpenSim/Framework/Servers/RestStreamHandler.cs
@@ -7,9 +7,39 @@ namespace OpenSim.Framework.Servers
 {
     public class RestStreamHandler : IStreamHandler
     {
-        public void Handle( string path, Stream request, Stream response )
+        RestMethod m_restMethod;
+
+        private string m_contentType;
+        public string ContentType
+        {
+            get { return m_contentType; }
+        }
+
+        private string m_httpMethod;
+        public string HttpMethod
+        {
+            get { return m_httpMethod; }
+        }
+
+
+        public byte[] Handle(string path, Stream request )
+        {
+            Encoding encoding = Encoding.UTF8;
+            StreamReader reader = new StreamReader(request, encoding);
+
+            string requestBody = reader.ReadToEnd();
+            reader.Close();
+
+            string responseString = m_restMethod(requestBody, path, m_httpMethod);
+
+            return Encoding.UTF8.GetBytes(responseString);
+        }
+
+        public RestStreamHandler(RestMethod restMethod, string httpMethod, string contentType)
         {
-            
+            m_restMethod = restMethod;
+            m_httpMethod = httpMethod;
+            m_contentType = contentType;
         }
     }
 }
-- 
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