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Bug #1115

LTTng sessiond should accept different agent minor version number

Added by Mathieu Desnoyers almost 3 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Target version:
-
Start date:
06/01/2017
Due date:
% Done:

0%

Estimated time:

Description

Currently, it refuses to talk to agents with different minor number, which would not allow compatibility between minor bumps (feature addition).

Given that the agents only sent their major/minor version (and sessiond do not send its own), we should only accept agent minor versions that are <= to the server minor version.

If we ever want to support letting the sessiond talk to agents with higher minor version number, we should change the protocol to allow the agent handling component in the sessiond to publish its own minor version number to the application agents, so they would know they should only use a subset of their feature set.

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