Yes. Thanks.
On Fri, May 23, 2014 at 8:57 AM, Sagara Gunathunga <[email protected]> wrote: > > > > On Fri, May 23, 2014 at 8:50 AM, Rajkumar Rajaratnam > <[email protected]>wrote: > >> Hi Sagara, KasunG, >> >> As part of the R&D work, we tried couple of 3rd party RPC Implementation >> libraries with ProtoBuf. >> >> We got our own sample services working. >> >> protobuf-rpc-pro[1] is a best one in terms of features. Notable features >> are, >> >> - TCP connection keep-alive. >> - Bi-directional RPC calls from client to server and server to >> client. >> - SSL socket layer encryption option. >> - Data Compression option. >> - RPC call cancellation. >> - RPC call timeout. >> - Out-of-Band RPC server replies to client. >> - Non RPC Protocol Buffer messaging for peer to peer communication. >> - Protocol Buffer wire protocol. >> - Semantics for calls handling on TCP connection closure. >> - Pluggable logging facility. >> - Author is very active (His last commit was the day before yesterday) >> - It is available in maven repo. >> >> You can find an architecture diagram of this library here[2] >> >> However, we are going to demonstrate 3 different sample client-sever >> applications implemented using 3 different libraries. >> >> We will demonstrate you that, using protobuf-rpc-pro library[1], >> > > Shall we meet around 2 PM today ? > > Thanks ! > >> >> - Multiple services can be exposed at a single server port >> - Multiple clients can access them simultaneously >> >> We would like to have a meeting as early as possible today. If we are >> okay with this library, we can go ahead and discuss about architecture. >> >> 1. https://code.google.com/p/protobuf-rpc-pro/ >> >> 2. https://code.google.com/p/protobuf-rpc-pro/wiki/ComponentArchitecture >> >> Thanks. >> >> >> On Thu, May 22, 2014 at 12:44 PM, Denuwanthi De Silva < >> [email protected]> wrote: >> >>> Hi, >>> >>> Yes, it supports TCP. >>> We are currently working on developing a sample with multiple services. >>> >>> Thanks & Regards, >>> Denuwanthi. >>> >>> >>> >>> On Thu, May 22, 2014 at 12:21 PM, Sagara Gunathunga <[email protected]>wrote: >>> >>>> >>>> >>>> >>>> On Thu, May 22, 2014 at 11:50 AM, Kasun Gajasinghe <[email protected]>wrote: >>>> >>>>> Hi Rajkumar, >>>>> >>>>> These implementations looks interesting. It's better if we can adapt a >>>>> framework like this. >>>>> >>>>> Thrift has a built-in RPC framework, but the issue there was the need >>>>> to have one network port per service. So, make sure the library you are >>>>> going to use do not have this type of issues. It might be better if you >>>>> could look into the internals of the chosen RPC framework to better >>>>> understand the architecture. >>>>> >>>>> The MIT license is compatible with ASL 2.0. But GPL is not. So, >>>>> RCFProto is out of the picture. >>>>> >>>>> Thanks, >>>>> KasunG >>>>> >>>>> >>>>> On Thu, May 22, 2014 at 11:14 AM, Rajkumar Rajaratnam < >>>>> [email protected]> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> We just went through Protocol Buffers yesterday and got to know some >>>>>> more information. >>>>>> >>>>>> We can define 'RPC Service Interface' in a .proto file and the >>>>>> protocol buffer compiler will generate service interface code and stubs >>>>>> in >>>>>> your chosen language. >>>>>> >>>>>> The stub forwards all calls to an RpcChannel, which in turn is an >>>>>> abstract interface that you must define yourself in terms of your own RPC >>>>>> system. For example, you might implement an RpcChannel which >>>>>> serializes the message and sends it to a server via HTTP[1]. >>>>>> >>>>>> Hence, we can define our own RpcChannel. >>>>>> >>>>>> But, there are number of third party project with specific RPC >>>>>> implementations. Some of Java implementations are, >>>>>> >>>>>> >>>>>> - protobuf-socket-rpc [2] >>>>>> >>>>>> Java and Python protobuf rpc implementation using tcp/ip sockets >>>>>> MIT License >>>>>> >>>>>> - cxf-protobuf [3] >>>>>> >>>>>> Integrate Google's Protocol Buffers and Apache CXF >>>>>> Apache License 2.0 >>>>>> >>>>>> - protobuf-rpc-pro [4] >>>>>> >>>>>> A java ProtocolBuffers RPC implementation featuring bidirectional >>>>>> calls. >>>>>> Apache License 2.0 >>>>>> >>>>>> It seems this has nice TCP handling capabilities ? do you guys have >>>> any working sample ? >>>> >>>> BTW we need to ensure whether it can listen on one port and accept >>>> requests from multiple services. >>>> >>>> Thanks ! >>>> >>>> >>>> >>>>> >>>>>> - >>>>>> - RCFProto [5] >>>>>> >>>>>> RPC implementation for Google Protocol Buffers, based on the RCF >>>>>> networking library >>>>>> >>>>>> GPL v2, for open source usage. >>>>>> Commercial license, for closed source usage. >>>>>> >>>>>> WDYT about using these 3rd party libraries? If we can use these, we >>>>>> can look into details. >>>>>> >>>>>> 1. https://developers.google.com/protocol-buffers/docs/proto#services >>>>>> >>>>>> 2. https://code.google.com/p/protobuf-socket-rpc/ >>>>>> >>>>>> 3. https://code.google.com/p/cxf-protobuf/ >>>>>> >>>>>> 4. https://code.google.com/p/protobuf-rpc-pro/ >>>>>> >>>>>> 5. http://www.deltavsoft.com/RCFProto.html >>>>>> >>>>>> >>>>>> Thanks. >>>>>> >>>>>> -- >>>>>> Rajkumar Rajaratnam >>>>>> Software Engineer | WSO2, Inc. >>>>>> Mobile +94777568639 | +94783498120 >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> *Kasun Gajasinghe*Senior Software Engineer, WSO2 Inc. >>>>> email: kasung AT spamfree wso2.com >>>>> linked-in: http://lk.linkedin.com/in/gajasinghe >>>>> blog: http://kasunbg.org >>>>> >>>>> >>>>> >>>> >>>> >>>> >>>> -- >>>> Sagara Gunathunga >>>> >>>> Senior Technical Lead; WSO2, Inc.; http://wso2.com >>>> V.P Apache Web Services; http://ws.apache.org/ >>>> Linkedin; http://www.linkedin.com/in/ssagara >>>> Blog ; http://ssagara.blogspot.com >>>> >>>> >>> >>> >>> -- >>> Denuwanthi De Silva >>> Software Engineer; >>> WSO2 Inc.; http://wso2.com, >>> Email: [email protected] >>> >>> >>> >> >> >> -- >> Rajkumar Rajaratnam >> Software Engineer | WSO2, Inc. >> Mobile +94777568639 | +94783498120 >> > > > > -- > Sagara Gunathunga > > Senior Technical Lead; WSO2, Inc.; http://wso2.com > V.P Apache Web Services; http://ws.apache.org/ > Linkedin; http://www.linkedin.com/in/ssagara > Blog ; http://ssagara.blogspot.com > > -- Rajkumar Rajaratnam Software Engineer | WSO2, Inc. Mobile +94777568639 | +94783498120
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