Class: Utcp::Providers::HttpStreamProvider

Inherits:
BaseProvider show all
Defined in:
lib/utcp/providers/http_stream_provider.rb

Overview

Simple HTTP chunked transfer streaming

Instance Attribute Summary

Attributes inherited from BaseProvider

#auth, #name, #type

Instance Method Summary collapse

Constructor Details

#initialize(name:, auth: nil) ⇒ HttpStreamProvider

Returns a new instance of HttpStreamProvider.



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# File 'lib/utcp/providers/http_stream_provider.rb', line 12

def initialize(name:, auth: nil)
  super(name: name, provider_type: "http_stream", auth: auth)
end

Instance Method Details

#call_tool(tool, arguments = {}, &block) ⇒ Object 



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# File 'lib/utcp/providers/http_stream_provider.rb', line 20

def call_tool(tool, arguments = {}, &block)
  p = tool.provider
  url = Utils::Subst.apply(p["url"])
  method = (p["http_method"] || "GET").upcase
  uri = URI(url)

  args = Utils::Subst.apply(arguments || {})
  if %w[GET DELETE].include?(method)
    q = URI.decode_www_form(uri.query || "") + args.to_a
    uri.query = URI.encode_www_form(q)
  end

  req = Net::HTTP.const_get(method.capitalize).new(uri)
  headers = { "Accept" => "application/json" }
  @auth&.apply_query(uri) if @auth&.respond_to?(:apply_query)
  @auth&.apply_headers(headers)
  headers.each { |k, v| req[k] = v }

  http = Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == "https")
  begin
    http.request(req) do |res|
      res.read_body do |chunk|
        yield chunk if block_given?
      end
    end
    nil
  ensure
    http.finish if http.active?
  end
end

#discover_tools! ⇒ Object

Raises:



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# File 'lib/utcp/providers/http_stream_provider.rb', line 16

def discover_tools!
  raise ProviderError, "HTTP stream is an execution provider only"
end