Class: Datadog::Transport::HTTP::Client
- Inherits:
-
Object
- Object
- Datadog::Transport::HTTP::Client
show all
- Includes:
- Statistics
- Defined in:
- lib/ddtrace/transport/http/client.rb
Overview
Routes, encodes, and sends tracer data to the trace agent via HTTP.
Defined Under Namespace
Classes: NoDowngradeAvailableError, UnknownApiVersionError
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods included from Statistics
included
Constructor Details
#initialize(apis, current_api_id) ⇒ Client
Returns a new instance of Client.
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# File 'lib/ddtrace/transport/http/client.rb', line 15
def initialize(apis, current_api_id)
@apis = apis
change_api!(current_api_id)
end
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Instance Attribute Details
#apis ⇒ Object
Returns the value of attribute apis.
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# File 'lib/ddtrace/transport/http/client.rb', line 11
def apis
@apis
end
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#current_api_id ⇒ Object
Returns the value of attribute current_api_id.
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# File 'lib/ddtrace/transport/http/client.rb', line 11
def current_api_id
@current_api_id
end
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Instance Method Details
#build_env(request) ⇒ Object
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# File 'lib/ddtrace/transport/http/client.rb', line 55
def build_env(request)
Env.new(request)
end
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#change_api!(api_id) ⇒ Object
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# File 'lib/ddtrace/transport/http/client.rb', line 68
def change_api!(api_id)
raise UnknownApiVersionError, api_id unless apis.key?(api_id)
@current_api_id = api_id
end
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#current_api ⇒ Object
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# File 'lib/ddtrace/transport/http/client.rb', line 64
def current_api
apis[current_api_id]
end
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#downgrade! ⇒ Object
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# File 'lib/ddtrace/transport/http/client.rb', line 73
def downgrade!
downgrade_api_id = apis.fallbacks[current_api_id]
raise NoDowngradeAvailableError, current_api_id if downgrade_api_id.nil?
change_api!(downgrade_api_id)
end
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#downgrade?(response) ⇒ Boolean
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# File 'lib/ddtrace/transport/http/client.rb', line 59
def downgrade?(response)
return false unless apis.fallbacks.key?(current_api_id)
response.not_found? || response.unsupported?
end
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#send_request(request, &block) ⇒ Object
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# File 'lib/ddtrace/transport/http/client.rb', line 22
def send_request(request, &block)
env = build_env(request)
response = yield(current_api, env)
update_stats_from_response!(response)
if downgrade?(response)
downgrade!
response = send_request(request, &block)
end
response
rescue StandardError => e
message = "Internal error during HTTP transport request. Cause: #{e.message} Location: #{e.backtrace.first}"
if stats.consecutive_errors > 0
Datadog::Tracer.log.debug(message)
else
Datadog::Tracer.log.error(message)
end
update_stats_from_exception!(e)
InternalErrorResponse.new(e)
end
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