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Merge pull request grpc#3602 from grpc/release-0_11
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Upmerge from beta to master.
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@tbetbetbe
tbetbetbe committed Oct 2, 2015
2 parents 1f8efa2 + a1902c8 commit 2506141
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38 changes: 19 additions & 19 deletions README.md
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Expand Up @@ -26,31 +26,31 @@ of shared C core library [src/core] (src/core).
* PHP source code: [src/php] (src/php)
* C# source code: [src/csharp] (src/csharp)
* Objective-C source code: [src/objective-c] (src/objective-c)
Java source code is in [grpc-java] (http://github.com/grpc/grpc-java) repository.

Java source code is in [grpc-java] (http://github.com/grpc/grpc-java) repository.
Go source code is in [grpc-go] (http://github.com/grpc/grpc-go) repository.

#Current Status of libraries

Libraries in different languages are in different state of development. We are seeking contributions for all of these libraries.

* shared C core library [src/core] (src/core) : Early adopter ready - Alpha.
* C++ Library: [src/cpp] (src/cpp) : Early adopter ready - Alpha.
* Ruby Library: [src/ruby] (src/ruby) : Early adopter ready - Alpha.
* NodeJS Library: [src/node] (src/node) : Early adopter ready - Alpha.
* Python Library: [src/python] (src/python) : Early adopter ready - Alpha.
* C# Library: [src/csharp] (src/csharp) : Early adopter ready - Alpha.
* Objective-C Library: [src/objective-c] (src/objective-c): Early adopter ready - Alpha.
* PHP Library: [src/php] (src/php) : Pre-Alpha.
* shared C core library [src/core] (src/core) : Beta - the surface API is stable
* C++ Library: [src/cpp] (src/cpp) : Beta - the surface API is stable
* Ruby Library: [src/ruby] (src/ruby) : Beta - the surface API is stable
* NodeJS Library: [src/node] (src/node) : Beta - the surface API is stable
* Python Library: [src/python] (src/python) : Beta - the surface API is stable
* C# Library: [src/csharp] (src/csharp) : Beta - the surface API is stable
* Objective-C Library: [src/objective-c] (src/objective-c): Beta - the surface API is stable
* PHP Library: [src/php] (src/php) : Beta - the surface API is stable

#Overview


Remote Procedure Calls (RPCs) provide a useful abstraction for building
Remote Procedure Calls (RPCs) provide a useful abstraction for building
distributed applications and services. The libraries in this repository
provide a concrete implementation of the gRPC protocol, layered over HTTP/2.
These libraries enable communication between clients and servers using any
combination of the supported languages.
combination of the supported languages.


##Interface
Expand All @@ -62,12 +62,12 @@ which they use on the client-side and implement on the server side.

By default, gRPC uses [Protocol Buffers](https://github.com/google/protobuf) as the
Interface Definition Language (IDL) for describing both the service interface
and the structure of the payload messages. It is possible to use other
and the structure of the payload messages. It is possible to use other
alternatives if desired.

###Surface API
Starting from an interface definition in a .proto file, gRPC provides
Protocol Compiler plugins that generate Client- and Server-side APIs.
Protocol Compiler plugins that generate Client- and Server-side APIs.
gRPC users typically call into these APIs on the Client side and implement
the corresponding API on the server side.

Expand All @@ -76,9 +76,9 @@ Synchronous RPC calls, that block until a response arrives from the server, are
the closest approximation to the abstraction of a procedure call that RPC
aspires to.

On the other hand, networks are inherently asynchronous and in many scenarios,
On the other hand, networks are inherently asynchronous and in many scenarios,
it is desirable to have the ability to start RPCs without blocking the current
thread.
thread.

The gRPC programming surface in most languages comes in both synchronous and
asynchronous flavors.
Expand All @@ -87,8 +87,8 @@ asynchronous flavors.
## Streaming

gRPC supports streaming semantics, where either the client or the server (or both)
send a stream of messages on a single RPC call. The most general case is
Bidirectional Streaming where a single gRPC call establishes a stream where both
send a stream of messages on a single RPC call. The most general case is
Bidirectional Streaming where a single gRPC call establishes a stream where both
the client and the server can send a stream of messages to each other. The streamed
messages are delivered in the order they were sent.

Expand All @@ -103,7 +103,7 @@ fleshing out the details of each of the required operations.
A gRPC RPC comprises of a bidirectional stream of messages, initiated by the client. In the client-to-server direction, this stream begins with a mandatory `Call Header`, followed by optional `Initial-Metadata`, followed by zero or more `Payload Messages`. The server-to-client direction contains an optional `Initial-Metadata`, followed by zero or more `Payload Messages` terminated with a mandatory `Status` and optional `Status-Metadata` (a.k.a.,`Trailing-Metadata`).

## Implementation over HTTP/2
The abstract protocol defined above is implemented over [HTTP/2](https://http2.github.io/). gRPC bidirectional streams are mapped to HTTP/2 streams. The contents of `Call Header` and `Initial Metadata` are sent as HTTP/2 headers and subject to HPACK compression. `Payload Messages` are serialized into a byte stream of length prefixed gRPC frames which are then fragmented into HTTP/2 frames at the sender and reassembled at the receiver. `Status` and `Trailing-Metadata` are sent as HTTP/2 trailing headers (a.k.a., trailers).
The abstract protocol defined above is implemented over [HTTP/2](https://http2.github.io/). gRPC bidirectional streams are mapped to HTTP/2 streams. The contents of `Call Header` and `Initial Metadata` are sent as HTTP/2 headers and subject to HPACK compression. `Payload Messages` are serialized into a byte stream of length prefixed gRPC frames which are then fragmented into HTTP/2 frames at the sender and reassembled at the receiver. `Status` and `Trailing-Metadata` are sent as HTTP/2 trailing headers (a.k.a., trailers).

## Flow Control
gRPC inherits the flow control mechanisms in HTTP/2 and uses them to enable fine-grained control of the amount of memory used for buffering in-flight messages.
2 changes: 1 addition & 1 deletion examples/csharp/helloworld/.nuget/packages.config
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@@ -1,4 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Grpc.Tools" version="0.7.0" />
<package id="Grpc.Tools" version="0.7.1" />
</packages>
14 changes: 7 additions & 7 deletions examples/csharp/helloworld/Greeter/Greeter.csproj
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props')" />
<Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" />
<Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" />
<Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" />
<PropertyGroup>
Expand All @@ -13,7 +13,7 @@
<RootNamespace>Greeter</RootNamespace>
<AssemblyName>Greeter</AssemblyName>
<TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
<NuGetPackageImportStamp>3ef64a6a</NuGetPackageImportStamp>
<NuGetPackageImportStamp>e423e365</NuGetPackageImportStamp>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
Expand All @@ -37,9 +37,9 @@
<Reference Include="Google.Protobuf">
<HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
</Reference>
<Reference Include="Grpc.Core, Version=0.7.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
<Reference Include="Grpc.Core, Version=0.7.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\Grpc.Core.0.7.0\lib\net45\Grpc.Core.dll</HintPath>
<HintPath>..\packages\Grpc.Core.0.7.1\lib\net45\Grpc.Core.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Interactive.Async">
Expand All @@ -65,10 +65,10 @@
<Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets'))" />
<Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props'))" />
<Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets'))" />
</Target>
<Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" />
<Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" />
<Import Project="..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets')" />
<Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" />
</Project>
6 changes: 3 additions & 3 deletions examples/csharp/helloworld/Greeter/packages.config
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@@ -1,10 +1,10 @@
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
<package id="Grpc" version="0.7.0" targetFramework="net45" />
<package id="Grpc.Core" version="0.7.0" targetFramework="net45" />
<package id="Grpc" version="0.7.1" targetFramework="net45" />
<package id="Grpc.Core" version="0.7.1" targetFramework="net45" />
<package id="grpc.dependencies.openssl.redist" version="1.0.2.3" targetFramework="net45" />
<package id="grpc.dependencies.zlib.redist" version="1.2.8.9" targetFramework="net45" />
<package id="grpc.native.csharp_ext" version="0.11.0" targetFramework="net45" />
<package id="grpc.native.csharp_ext" version="0.11.1" targetFramework="net45" />
<package id="Ix-Async" version="1.2.3" targetFramework="net45" />
</packages>
14 changes: 7 additions & 7 deletions examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props')" />
<Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" />
<Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" />
<Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" />
<PropertyGroup>
Expand All @@ -13,7 +13,7 @@
<RootNamespace>GreeterClient</RootNamespace>
<AssemblyName>GreeterClient</AssemblyName>
<TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
<NuGetPackageImportStamp>c4057b0a</NuGetPackageImportStamp>
<NuGetPackageImportStamp>2dcf22af</NuGetPackageImportStamp>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
Expand All @@ -37,9 +37,9 @@
<Reference Include="Google.Protobuf">
<HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
</Reference>
<Reference Include="Grpc.Core, Version=0.7.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
<Reference Include="Grpc.Core, Version=0.7.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\Grpc.Core.0.7.0\lib\net45\Grpc.Core.dll</HintPath>
<HintPath>..\packages\Grpc.Core.0.7.1\lib\net45\Grpc.Core.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Interactive.Async">
Expand Down Expand Up @@ -68,10 +68,10 @@
<Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets'))" />
<Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props'))" />
<Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.props'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props'))" />
<Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets'))" />
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<Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" />
<Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" />
<Import Project="..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.0\build\portable-net45\grpc.native.csharp_ext.targets')" />
<Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" />
</Project>
6 changes: 3 additions & 3 deletions examples/csharp/helloworld/GreeterClient/packages.config
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<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
<package id="Grpc" version="0.7.0" targetFramework="net45" />
<package id="Grpc.Core" version="0.7.0" targetFramework="net45" />
<package id="Grpc" version="0.7.1" targetFramework="net45" />
<package id="Grpc.Core" version="0.7.1" targetFramework="net45" />
<package id="grpc.dependencies.openssl.redist" version="1.0.2.3" targetFramework="net45" />
<package id="grpc.dependencies.zlib.redist" version="1.2.8.9" targetFramework="net45" />
<package id="grpc.native.csharp_ext" version="0.11.0" targetFramework="net45" />
<package id="grpc.native.csharp_ext" version="0.11.1" targetFramework="net45" />
<package id="Ix-Async" version="1.2.3" targetFramework="net45" />
</packages>
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