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Prevent parsing error for empty client commands

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Sebastian Serth
2020-10-08 14:43:22 +02:00
parent 13b6e50573
commit fcd393b9d5
1 changed files with 2 additions and 0 deletions
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2
app/controllers/submissions_controller.rb
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@ -184,6 +184,8 @@ class SubmissionsController < ApplicationController
# Check whether the client send a JSON command and kill container # Check whether the client send a JSON command and kill container
# if the command is 'client_kill', send it to docker otherwise. # if the command is 'client_kill', send it to docker otherwise.
begin begin
next if data == "\n"
parsed = JSON.parse(data) parsed = JSON.parse(data)
if parsed.class == Hash && parsed['cmd'] == 'client_kill' if parsed.class == Hash && parsed['cmd'] == 'client_kill'
Rails.logger.debug("Client exited container.") Rails.logger.debug("Client exited container.")