WIP Ractor Task stuff

lib/application_manager.rb

@@ -555,7 +555,7 @@ class W3DHub
     end
 
     def installing?(app_id, channel)
-      @tasks.find { |t| t.is_a?(Installer) && t.app_id == app_id && t.release_channel == channel }
+      @tasks.find { |t| t.is_a?(Installer) && t.context.app_id == app_id && t.context.channel_id == channel }
     end
 
     def updateable?(app_id, channel)
@@ -610,34 +610,49 @@ class W3DHub
 
     def handle_task_event(event)
       # ONLY CALL on MAIN Ractor
-      raise "Something has gone horribly wrong!" unless Ractor.current == Ractor.main
+      raise "Something has gone horribly wrong!" unless Ractor.main?
 
+      pp event
       task = @tasks.find { |t| t.context.task_id == event.task_id }
       return unless task # FIXME: This is probably a fatal error
 
       case event.type
       when Task::EVENT_FAILURE
+        Store.main_thread_queue << proc do
           window.push_state(
             W3DHub::States::MessageDialog,
             type: event.data[:type],
             title: event.data[:title],
             message: event.data[:message]
           )
+        end
+        # FIXME: Send event to Games page to trigger refresh
 
         States::Interface.instance&.hide_application_taskbar
         @tasks.delete(task)
+
       when Task::EVENT_START
-        task.started! # mark ApplicationManager's version of Task as :running
         States::Interface.instance&.show_application_taskbar
+
       when Task::EVENT_SUCCESS
         States::Interface.instance&.hide_application_taskbar
         @tasks.delete(task)
-      when Task::EVENT_PROGRESS
+        # FIXME: Send event to Games page to trigger refresh
-        :FIXME
+      when Task::EVENT_STATUS
-      when Task::EVENT_PACKAGE_LIST
+        task.status = event.data
-        :FIXME
+        States::Interface.instance&.update_interface_task_status(task)
-      when Task::EVENT_PACKAGE_STATUS
+
-        :FIXME
+      when Task::EVENT_STATUS_OPERATION
+        hash = event.data
+        operation = task.status.operations[operation[:id]]
+
+        if operation
+          operation.label = hash[:label]
+          operation.value = hash[:value]
+          operation.progress = hash[:progress]
+
+          States::Interface.instance&.update_interface_task_status(task)
+        end
       end
     end
 
@@ -661,7 +676,13 @@ class W3DHub
       @tasks.delete_if { |t| t.state == :complete || t.state == :halted || t.state == :failed }
 
       task = @tasks.find { |t| t.state == :not_started }
-      task&.start
+
+      return unless task
+
+      # mark MAIN ractor's task as started before handing off to background ractor
+      # so that we don't start up multiple tasks at once.
+      task.start
+      BackgroundWorker.ractor_task(task)
     end
 
     def task?(type, app_id, channel)

lib/application_manager/status.rb

@@ -1,10 +1,10 @@
 class W3DHub
   class ApplicationManager
     class Status
-      attr_reader :application, :channel, :step, :operations, :data
+      attr_reader :application, :channel, :operations, :data
-      attr_accessor :label, :value, :progress
+      attr_accessor :label, :value, :progress, :step
 
-      def initialize(application:, channel:, label: "", value: "", progress: 0.0, step: :pending, operations: {}, &callback)
+      def initialize(application:, channel:, label: "", value: "", progress: 0.0, step: :pending, operations: {})
         @application = application
         @channel = channel
 
@@ -15,17 +15,10 @@ class W3DHub
         @step = step
         @operations = operations
 
-        @callback = callback
 
         @data = {}
       end
 
-      def step=(sym)
-        @step = sym
-        @callback&.call(self)
-        @step
-      end
-
       class Operation
         attr_accessor :label, :value, :progress
 

lib/application_manager/task.rb

@@ -3,6 +3,9 @@ class W3DHub
     class Task
       LOG_TAG = "W3DHub::ApplicationManager::Task".freeze
 
+      class AbortTaskExecutionError < StandardError
+      end
+
       # Task failed
       EVENT_FAILURE = -1
       # Task started, show application taskbar
@@ -10,17 +13,15 @@ class W3DHub
       # Task completed successfully
       EVENT_SUCCESS = 1
       # Task progress
-      EVENT_PROGRESS = 2
+      EVENT_STATUS = 2
-      # List of packages this task will be working over
+      # Subtask progress
-      EVENT_PACKAGE_LIST = 3
+      EVENT_STATUS_OPERATION = 3
-      # Update a package's status: verifying, downloading, unpacking, patching
-      EVENT_PACKAGE_STATUS = 4
 
       Context = Data.define(
         :task_id,
         :app_type,
-        :app_id,
+        :application,
-        :channel_id,
+        :channel,
         :version,
         :target_path,
         :temp_path
@@ -34,6 +35,7 @@ class W3DHub
       )
 
       attr_reader :context, :state
+      attr_accessor :status
 
       def initialize(context:)
         @context = context
@@ -43,6 +45,8 @@ class W3DHub
         # remember all case insensitive file paths
         @cache_file_paths = {}
 
+        @status = Status.new(application: context.application, channel: context.channel)
+
         @failure = false
         @failure_reason = ""
       end
@@ -51,14 +55,13 @@ class W3DHub
       end
 
       def fail!(reason: "")
+        @state = :failed
         @failure = true
+        @failure_reason = reason
 
-        Ractor.current.send(
+        send_task_result
-          MessageEvent.new(
-            context.task_id,
 
-          )
+        raise AbortTaskExecutionError, reason
-        )
       end
 
       def failed?
@@ -72,12 +75,20 @@ class W3DHub
       end
 
       def send_task_result
-        Ractor.current.send(
+        internal_send_message_event(
+          failed? ? EVENT_FAILURE : EVENT_SUCCESS,
+          nil,
+          failed? ? { type: :failure, title: "Task Failed", message: @failure_reason } : nil
+        )
+      end
+
+      def internal_send_message_event(type, subtype = nil, data = nil)
+        Ractor.yield(
           MessageEvent.new(
             context.task_id,
-            @failure ? EVENT_FAILURE : EVENT_SUCCESS,
+            type,
-            nil,
+            subtype,
-            @failure_reason
+            data
           )
         )
       end
@@ -87,9 +98,27 @@ class W3DHub
       end
 
       def start
+        @state = :running
+
+        # only mark task as running then return unless we're NOT running on the
+        # main ractor. Task is deep copied when past to the ractor.
+        return if Ractor.main?
+
+        internal_send_message_event(EVENT_START)
+
+        sleep 1
+
         execute_task
 
+        sleep 1
+
+        @state = failed? ? :failed : :complete
+
         send_task_result
+
+        sleep 1
+      rescue StandardError => e
+        fail!(reason: "Fatal Error\n#{e}") unless e.is_a?(AbortTaskExecutionError)
       end
 
       # returns true on success and false on failure
@@ -102,14 +131,52 @@ class W3DHub
 
       # Quick checks before network and computational work starts
       def fail_fast!
-        # can read/write to destination
+        # is wine present?
+        if W3DHub.unix?
+          wine_present = W3DHub.command("which #{Store.settings[:wine_command]}")
 
-        fail!("FAIL FAST: Insufficient disk space available.") unless disk_space_available?
+          unless wine_present
+            fail!(reason: "FAIL FAST: `which #{Store.settings[:wine_command]}` command failed, wine is not installed.\n\n"\
+                          "Will be unable to launch game.\n\n"\
+                          "Check wine options in launcher's settings.")
+          end
         end
 
-      def fetch_manifests
+        # can read/write to destination
-        result = CyberarmEngine::Result.new
+        # TODO
 
+        # have enough disk space
+
+        fail!(reason: "FAIL FAST: Insufficient disk space available.") unless disk_space_available?
+      end
+
+      def fetch_manifests(version)
+        manifests = []
+        result = Result.new
+
+        while (package_result = fetch_package(category, subcategory, version, "manifest.xml"))
+          break unless package_result.okay?
+
+          path = package_file_path(category, subcategory, version, "manifest.xml")
+          unless File.exist?(path) && !File.directory?(path)
+            result.error = RuntimeError.new("File missing: #{path}")
+            return result
+          end
+
+          manifest = LegacyManifest.new(path)
+
+          manifests << manifest
+
+          break unless manifest.patch?
+
+          version = manifest.base_version
+        end
+
+        # return in oldest to newest order
+        result.data = manifests.reverse
+        result
+      rescue StandardError => e # Async derives its errors from StandardError
+        result.error = e
         result
       end
 
@@ -180,8 +247,63 @@ class W3DHub
         true
       end
 
+      # returns JSON hash on success, false or nil on failure
+      def fetch_package_details(packages)
+        endpoint = "/apis/launcher/1/get-package-details"
+        result = Result.new
+
+        hash = {
+          packages: packages.map do |h|
+                      { category: h[:category], subcategory: h[:subcategory], name: h[:name], version: h[:version] }
+                    end
+        }
+
+        body = URI.encode_www_form("data": JSON.dump(hash))
+
+        Sync do
+          Async::HTTP::Internet.post("#{UPSTREAM_ENDPOINT}#{endpoint}", CLIENT_FORM_ENCODED_HEADERS, body) do |response|
+            if response.success?
+              result.data = JSON.parse(response.read)
+            else
+              result.error = RuntimeError.new(response) # FIXME: have better error
+            end
+          rescue StandardError => e
+            result.error = e
+          end
+        end
+
+        result
+      end
+
       def fetch_package(version, name)
-        result = CyberarmEngine::Result.new
+        endpoint = "/apis/launcher/1/get-package"
+        result = Result.new
+
+        path = package_file_path(category, subcategory, version, name)
+        headers = [
+          ["user-agent", USER_AGENT],
+          ["content-type", "application/x-www-form-urlencoded"],
+          ["authorization", "Bearer #{FAKE_BEARER_TOKEN}"]
+        ].freeze
+        body = URI.encode_www_form("data": JSON.dump({ category: category, subcategory: subcategory, name: name, version: version }))
+
+        Sync do
+          Async::HTTP::Internet.post("#{UPSTREAM_ENDPOINT}#{endpoint}", headers, body) do |response|
+            if response.success?
+              create_directories(path)
+
+              File.open(path, "wb") do |file|
+                response.each do |chunk|
+                  file.write(chunk)
+                end
+              end
+
+              result.data = true
+            end
+          rescue StandardError => e
+            result.error = e
+          end
+        end
 
         result
       end
@@ -216,6 +338,14 @@ class W3DHub
 
         result
       end
+
+      def package_file_path(category, subcategory, version, name)
+        "#{PACKAGE_CACHE}/"\
+        "#{category}/"\
+        "#{subcategory.to_s.empty? ? "" : "#{subcategory}/"}"\
+        "#{version.to_s.empty? ? "" : "#{version}/"}"\
+        "#{name}"
+      end
     end
   end
 end

lib/background_worker.rb

@@ -59,6 +59,26 @@ class W3DHub
       @@instance.add_parallel_job(Job.new(job: job, callback: callback, error_handler: error_handler, deliver_to_queue: true, data: data))
     end
 
+    def self.ractor_task(task)
+      raise "Something has gone horribly wrong!!!" unless Ractor.main?
+
+      ractor = Ractor.new do
+        t = Ractor.receive
+
+        t.start
+      end
+
+      ractor.send(task)
+
+      Thread.new do
+        while (message_event = ractor.take)
+          break unless message_event.is_a?(W3DHub::ApplicationManager::Task::MessageEvent)
+
+          Store.application_manager.handle_task_event(message_event)
+        end
+      end
+    end
+
     def initialize
       @busy = false
       @jobs = []

lib/common.rb

@@ -1,4 +1,8 @@
 class W3DHub
+  PLATFORM_WINDOWS = RbConfig::CONFIG["host_os"] =~ /(mingw|mswin|windows)/i
+  PLATFORM_DARWIN = RbConfig::CONFIG["host_os"] =~ /(darwin|mac os)/i
+  PLATFORM_LINUX = RbConfig::CONFIG["host_os"] =~ /(linux|bsd|aix|solaris)/i
+
   def self.format_size(bytes)
     case bytes
     when 0..1023 # Bytes
@@ -17,15 +21,15 @@ class W3DHub
   end
 
   def self.windows?
-    RbConfig::CONFIG["host_os"] =~ /(mingw|mswin|windows)/i
+    PLATFORM_WINDOWS
   end
 
   def self.mac?
-    RbConfig::CONFIG["host_os"] =~ /(darwin|mac os)/i
+    PLATFORM_DARWIN
   end
 
   def self.linux?
-    RbConfig::CONFIG["host_os"] =~ /(linux|bsd|aix|solaris)/i
+    PLATFORM_LINUX
   end
 
   def self.unix?