Class: ElasticAPM::Transport::Connection Private

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/elastic_apm/transport/connection.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Defined Under Namespace

Classes: FailedToConnectError, ModdedIO

Constant Summary collapse

HEADERS =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future. 

{
  'Content-Type' => 'application/x-ndjson',
  'Transfer-Encoding' => 'chunked'
}.freeze
GZIP_HEADERS =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future. 

HEADERS.merge('Content-Encoding' => 'gzip').freeze

Constants included from Logging

Logging::LEVELS, Logging::PREFIX

Instance Method Summary collapse

Methods included from Logging

#debug, #error, #fatal, #info, #warn

Constructor Details

#initialize(config, metadata) ⇒ Connection

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Connection.



31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/elastic_apm/transport/connection.rb', line 31

def initialize(config, metadata)
  @config = config
  @metadata = metadata.to_json

  @url = config.server_url + '/intake/v2/events'

  headers =
    (@config.http_compression? ? GZIP_HEADERS : HEADERS).dup

  if (token = config.secret_token)
    headers['Authorization'] = "Bearer #{token}"
  end

  @client = HTTP.headers(headers).persistent(@url)

  @mutex = Mutex.new
end

Instance Method Details

#connected? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


66
67
68
 
# File 'lib/elastic_apm/transport/connection.rb', line 66

def connected?
  @mutex.synchronize { @connected }
end

#flush ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



70
71
72
73
74
75
76
77
78
 
# File 'lib/elastic_apm/transport/connection.rb', line 70

def flush
  @mutex.synchronize do
    return unless @connected

    debug 'Closing request'
    @wr.close
    @conn_thread.join 5 if @conn_thread
  end
end

#write(str) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'lib/elastic_apm/transport/connection.rb', line 49

def write(str)
  return if @config.disable_send

  connect_unless_connected

  @mutex.synchronize { append(str) }

  return unless @bytes_sent >= @config.api_request_size

  flush
rescue FailedToConnectError => e
  error "Couldn't establish connection to APM Server:\n%p", e
  flush

  nil
end