THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
Table of Contents
Protocol negotiation
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| title | Protocol Negotiation |
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Protocol Field Definitions
It is advised to read the Protocol Field Definitions page before reading this document to understand the data types referenced.
Message Definition
A message is a series of bytes which contains the request or response. If the message is large, then we will have provision to divide the message into small messages. In that case, client/server needs to collect all messages to parse the request/response.
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In order to consistently define messages the Extended Backus–Naur form grammar will be used.
Usage | Notation |
|---|---|
| definition | = |
| alterationalternation | | |
| optional | [ ... ] |
| repetition | { ... } |
| Groupinggrouping | ( ... ) |
Generic Message definition
Every message will message (except for connection initializing handshakes, which are necessarily insulated from future changes to the message structure) will adhere to the following generic message definition. A Message will comprise of a MessageHeader and either a Request or Response component.
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Response = APIResponse | Description | |
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| APIResponse | type = variable | The Api specific Reponse message. Here are some examples of Response messages PutResponse | GetResponse | PutAllResponse | GetAllResponse | ServerConfigResposneServerConfigResponse | ClientConfigResponse | AuthResponse | ErrorResponse |
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| KeyedError = EncodedValue Error | Description | |
|---|---|---|
| key | type = EncodedValue | Key corresponding to this error |
| error | type = Error | Details about the failure |
Request and Response Definitions
The request and response messages are further broken down by category and can be found on the following pages.
Connection API
Initial operations for correctly setting up a connection can be found here
Region API
Operations for getting, creating, and modifying data regions can be found here
Locator API
Connections to locators behave a bit differently from normal cache server connections. For more details and information about locator operations, visit this page.