From c26d6cfda09cb78aead92a9f868d0730ad1ad181 Mon Sep 17 00:00:00 2001 From: Rob Bradford Date: Thu, 23 Oct 2008 14:28:11 +0100 Subject: bitbake-dev: Change terminology online/offline to sync/async Change the terminology from online/offline to sync/async when referring to commands that return a result immediately versus those that produce changes that are emitted as events over time. --- bitbake-dev/lib/bb/command.py | 76 +++++++++++++++++++++---------------------- 1 file changed, 38 insertions(+), 38 deletions(-) (limited to 'bitbake-dev/lib/bb/command.py') diff --git a/bitbake-dev/lib/bb/command.py b/bitbake-dev/lib/bb/command.py index 8384e89e5..7cee1d5d3 100644 --- a/bitbake-dev/lib/bb/command.py +++ b/bitbake-dev/lib/bb/command.py @@ -21,79 +21,79 @@ Provide an interface to interact with the bitbake server through 'commands' """ The bitbake server takes 'commands' from its UI/commandline. -Commands are either 'online' of 'offline' in nature. -Offline commands return data to the client in the form of events. -Online commands must only return data through the function return value +Commands are either synchronous or asynchronous. +Async commands return data to the client in the form of events. +Sync commands must only return data through the function return value and must not trigger events, directly or indirectly. Commands are queued in a CommandQueue """ import bb -offline_cmds = {} -online_cmds = {} +async_cmds = {} +sync_cmds = {} class Command: """ - A queue of 'offline' commands for bitbake + A queue of asynchronous commands for bitbake """ def __init__(self, cooker): self.cooker = cooker - self.cmds_online = CommandsOnline() - self.cmds_offline = CommandsOffline() + self.cmds_sync = CommandsSync() + self.cmds_async = CommandsAsync() # FIXME Add lock for this - self.currentOfflineCommand = None + self.currentAsyncCommand = None - for attr in CommandsOnline.__dict__: + for attr in CommandsSync.__dict__: command = attr[:].lower() - method = getattr(CommandsOnline, attr) - online_cmds[command] = (method) + method = getattr(CommandsSync, attr) + sync_cmds[command] = (method) - for attr in CommandsOffline.__dict__: + for attr in CommandsAsync.__dict__: command = attr[:].lower() - method = getattr(CommandsOffline, attr) - offline_cmds[command] = (method) + method = getattr(CommandsAsync, attr) + async_cmds[command] = (method) def runCommand(self, commandline): try: command = commandline.pop(0) - if command in CommandsOnline.__dict__: + if command in CommandsSync.__dict__: # Can run online commands straight away - return getattr(CommandsOnline, command)(self.cmds_online, self, commandline) - if self.currentOfflineCommand is not None: - return "Busy (%s in progress)" % self.currentOfflineCommand[0] - if command not in CommandsOffline.__dict__: + return getattr(CommandsSync, command)(self.cmds_sync, self, commandline) + if self.currentAsyncCommand is not None: + return "Busy (%s in progress)" % self.currentAsyncCommand[0] + if command not in CommandsAsync.__dict__: return "No such command" - self.currentOfflineCommand = (command, commandline) + self.currentAsyncCommand = (command, commandline) return True except: import traceback return traceback.format_exc() - def runOfflineCommand(self): + def runAsyncCommand(self): try: - if self.currentOfflineCommand is not None: - (command, options) = self.currentOfflineCommand - getattr(CommandsOffline, command)(self.cmds_offline, self, options) + if self.currentAsyncCommand is not None: + (command, options) = self.currentAsyncCommand + getattr(CommandsAsync, command)(self.cmds_async, self, options) except: import traceback - self.finishOfflineCommand(traceback.format_exc()) + self.finishAsyncCommand(traceback.format_exc()) - def finishOfflineCommand(self, error = None): + def finishAsyncCommand(self, error = None): if error: bb.event.fire(bb.command.CookerCommandFailed(self.cooker.configuration.event_data, error)) else: bb.event.fire(bb.command.CookerCommandCompleted(self.cooker.configuration.event_data)) - self.currentOfflineCommand = None + self.currentAsyncCommand = None -class CommandsOnline: +class CommandsSync: """ - A class of online commands + A class of synchronous commands These should run quickly so as not to hurt interactive performance. - These must not influence any running offline command. + These must not influence any running synchronous command. """ def stateShutdown(self, command, params): @@ -125,9 +125,9 @@ class CommandsOnline: return bb.data.getVar(varname, command.cooker.configuration.data, expand) -class CommandsOffline: +class CommandsAsync: """ - A class of offline commands + A class of asynchronous commands These functions communicate via generated events. Any function that requires metadata parsing should be here. """ @@ -156,7 +156,7 @@ class CommandsOffline: pkgs_to_build = params[0] command.cooker.generateDepTreeEvent(pkgs_to_build) - command.finishOfflineCommand() + command.finishAsyncCommand() def generateDotGraph(self, command, params): """ @@ -165,14 +165,14 @@ class CommandsOffline: pkgs_to_build = params[0] command.cooker.generateDotGraphFiles(pkgs_to_build) - command.finishOfflineCommand() + command.finishAsyncCommand() def showVersions(self, command, params): """ Show the currently selected versions """ command.cooker.showVersions() - command.finishOfflineCommand() + command.finishAsyncCommand() def showEnvironment(self, command, params): """ @@ -182,14 +182,14 @@ class CommandsOffline: pkg = params[1] command.cooker.showEnvironment(bfile, pkg) - command.finishOfflineCommand() + command.finishAsyncCommand() def parseFiles(self, command, params): """ Parse the .bb files """ command.cooker.updateCache() - command.finishOfflineCommand() + command.finishAsyncCommand() # # Events -- cgit v1.2.3