In this problem, we wish to build a repository of functions that a developer can assemble to build a complex program. There can exist several versions of a function, each with its metadata. Function metadata includes the developer's full name and email address, the language it is implemented in and a set of keywords related to the functionality fulfilled by the function. The versions of a function can be represented as a directed acyclic graph. To manage the repository, we use a remote invocation based 9RPC that allows a client to interact with a server and execute the following operations: 1. add_new_fn: to add either a brand new function or a new version to an existing function; 2. add_fns: to add multiple functions streamed by the client (note that multiple versions of a function are not allowed); 3. delete_fn: to delete a function (this might require reordering the versions of the function); 4. show fn: to view a specific version of a function; 5. show all_fns: to view all versions of a function (the versions are streamed back by the server) 6. show all_with_criteria: to view all latest versions of functions implemented in a given language or related to a set of keywords (bi-directional streaming). Your task is to: 1. define the interface of the remote operations using Protocol Buffer; 2. generate the stubs on both the client and server; 3. implement both the client and the server.

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Transcribed Image Text:In this problem, we wish to build a repository of functions that a developer can assemble to build a complex program. There can exist several versions of a function, each with its metadata. Function metadata includes the developer's full name and email address, the language it is implemented in and a set of keywords related to the functionality fulfilled by the function. The versions of a function can be represented as a directed acyclic graph. To manage the repository, we use a remote invocation based GRPC that allows a client to interact with a server and execute the following operations: 1. add_new_fn: to add either a brand new function or a new version to an existing function; 2. add fns: to add multiple functions streamed by the client (note that multiple versions of a function are not allowed); 3. delete_fn: to delete a function (this might require reordering the versions of the function); 4. show_fn: to view a specific version of a function; 5. show all fns: to view all versions of a function (the versions are streamed back by the server) 6. show_all_with_criteria: to view all latest versions of functions implemented in a given language or related to a set of keywords (bi-directional streaming). Your task is to: 1. define the interface of the remote operations using Protocol Buffer: 2. generate the stubs on both the client and server; 3. implement both the client and the server.

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