Class: Kward::RPC::SessionMetrics

Inherits:
Object
  • Object
show all
Defined in:
lib/kward/rpc/session_metrics.rb

Overview

Computes conversation metrics and context usage for RPC runtime payloads.

Instance Method Summary collapse

Constructor Details

#initialize(context_usage:) ⇒ SessionMetrics

Returns a new instance of SessionMetrics.



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# File 'lib/kward/rpc/session_metrics.rb', line 9

def initialize(context_usage:)
  @context_usage = context_usage
end

Instance Method Details

#context_usage(rpc_session, model, client:) ⇒ Object 



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# File 'lib/kward/rpc/session_metrics.rb', line 35

def context_usage(rpc_session, model, client:)
  context_parts = if client.respond_to?(:current_context_parts)
                    client.current_context_parts(rpc_session.conversation.messages, rpc_session.tool_registry.schemas)
                  else
                    {
                      provider: model[:provider],
                      model: model[:id],
                      messages: rpc_session.conversation.messages,
                      tools: rpc_session.tool_registry.schemas
                    }
                  end

  @context_usage.call(
    provider: model[:provider],
    model: model[:id],
    context_window: model[:contextWindow],
    context_parts: context_parts
  )
end

#message_count(conversation) ⇒ Object 



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# File 'lib/kward/rpc/session_metrics.rb', line 13

def message_count(conversation)
  conversation.messages.count { |message| MessageAccess.role(message) != "system" }
end

#message_stats(conversation) ⇒ Object 



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# File 'lib/kward/rpc/session_metrics.rb', line 17

def message_stats(conversation)
  conversation.messages.each_with_object(default_message_stats) do |message, counts|
    role = MessageAccess.role(message)
    next if role == "system"

    counts[:totalMessages] += 1
    case role
    when "user"
      counts[:userMessages] += 1
    when "assistant"
      counts[:assistantMessages] += 1
      counts[:toolCalls] += MessageAccess.tool_calls(message).length
    when "tool", "toolResult"
      counts[:toolResults] += 1
    end
  end
end