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#!/bin/bash
#
# Copyright (c) 2005-2009 Wind River Systems, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

usage() {
	echo "Usage: $0 {start|stop|restart} <nfs-export-dir>"
}

if [ $# != 2 ]; then
	usage
	exit 1
fi

if [[ "$1" != "start" && "$1" != "stop" && "$1" != "restart" ]]; then
	echo "Unknown command '$1'"
	usage
	exit 1
fi

if [ ! -d "$2" ]; then
	echo "Error: '$2' does not exist"
	usage
	exit 1
fi
# Ensure the nfs-export-dir is an absolute path
NFS_EXPORT_DIR=$(cd "$2" && pwd)

SYSROOT_SETUP_SCRIPT=`which oe-find-native-sysroot 2> /dev/null`
if [ -z "$SYSROOT_SETUP_SCRIPT" ]; then
	echo "Error: Unable to find the oe-find-native-sysroot script"
	echo "Did you forget to source your build environment setup script?"
	exit 1
fi
. $SYSROOT_SETUP_SCRIPT meta-ide-support

if [ ! -e "$OECORE_NATIVE_SYSROOT/usr/bin/unfsd" ]; then
	echo "Error: Unable to find unfsd binary in $OECORE_NATIVE_SYSROOT/usr/bin/"

	if [ "x$OECORE_DISTRO_VERSION" = "x" ]; then
		echo "Have you run 'bitbake meta-ide-support'?"
	else
		echo "This shouldn't happen - something is missing from your toolchain installation"
	fi
	exit 1
fi

if [ ! -d ~/.runqemu-sdk ]; then
	mkdir -p ~/.runqemu-sdk
fi

NFS_INSTANCE=${NFS_INSTANCE:=0}
EXPORTS=~/.runqemu-sdk/exports$NFS_INSTANCE
RMTAB=~/.runqemu-sdk/rmtab$NFS_INSTANCE
NFSPID=~/.runqemu-sdk/nfs$NFS_INSTANCE.pid
MOUNTPID=~/.runqemu-sdk/mount$NFS_INSTANCE.pid

PSEUDO_OPTS="-P $OECORE_NATIVE_SYSROOT/usr"
PSEUDO_LOCALSTATEDIR="$NFS_EXPORT_DIR/../$(basename $NFS_EXPORT_DIR).pseudo_state"
export PSEUDO_LOCALSTATEDIR

if [ ! -d "$PSEUDO_LOCALSTATEDIR" ]; then
	echo "Error: $PSEUDO_LOCALSTATEDIR does not exist."
	echo "Did you create the export directory using runqemu-extract-sdk?"
	exit 1	
fi

# NFS server port number
NFSD_PORT=${NFSD_PORT:=$[ 3049 + 2 * $NFS_INSTANCE ]}
# mountd port number
MOUNTD_PORT=${MOUNTD_PORT:=$[ 3048 + 2 * $NFS_INSTANCE ]}

## For debugging you would additionally add
## --debug all
UNFSD_OPTS="-p -N -i $NFSPID -e $EXPORTS -n $NFSD_PORT -m $MOUNTD_PORT"

# See how we were called.
case "$1" in
  start)
	PORTMAP_RUNNING=`ps -ef | grep portmap | grep -v grep`
	RPCBIND_RUNNING=`ps -ef | grep rpcbind | grep -v grep`
	if [[ "x$PORTMAP_RUNNING" = "x" && "x$RPCBIND_RUNNING" = "x" ]]; then
		echo "======================================================="
		echo "Error: neither rpcbind nor portmap appear to be running"
		echo "Please install and start one of these services first"
		echo "======================================================="
		echo "Tip: for recent Ubuntu hosts, run:"
		echo "  sudo apt-get install rpcbind"
		echo "Then add OPTIONS=\"-i -w\"  to /etc/default/rpcbind and run"
		echo "  sudo service portmap restart"

		exit 1
	fi

	echo "Creating exports file..."
	echo "$NFS_EXPORT_DIR (rw,no_root_squash,no_all_squash,insecure)" > $EXPORTS

	echo "Starting User Mode nfsd"
	echo "  $PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/bin/unfsd $UNFSD_OPTS"
	$PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/bin/unfsd $UNFSD_OPTS
	if [ ! $? = 0 ]; then
		echo "Error starting nfsd"
		exit 1
	fi
	# Check to make sure everything started ok.
	if [ ! -f $NFSPID ]; then
		echo "rpc.nfsd did not start correctly"
		exit 1
	fi
	ps -fp `cat $NFSPID` > /dev/null 2> /dev/null
	if [ ! $? = 0 ]; then
		echo "rpc.nfsd did not start correctly"
		exit 1
	fi
	echo " "
	echo "On your target please remember to add the following options for NFS"
	echo "nfsroot=IP_ADDRESS:$NFS_EXPORT_DIR,nfsvers=3,port=$NFSD_PORT,udp,mountport=$MOUNTD_PORT"
	;;
  stop)
	if [ -f "$NFSPID" ]; then
		echo "Stopping rpc.nfsd"
		kill `cat $NFSPID`
		rm -f $NFSPID
	else
		echo "No PID file, not stopping rpc.nfsd"
	fi
	if [ -f "$EXPORTS" ]; then
		echo "Removing exports file"
		rm -f $EXPORTS
	fi
	;;
  restart)
	$0 stop $NFS_EXPORT_DIR
	$0 start $NFS_EXPORT_DIR 
	if [ ! $? = 0 ]; then
		exit 1
	fi
	;;
  *)
	echo "$0 {start|stop|restart} <nfs-export-dir>"
	;;
esac

exit 0
/span> try: import cPickle as pickle except ImportError: import pickle bb.msg.note(1, bb.msg.domain.Cache, "Importing cPickle failed. Falling back to a very slow implementation.") __cache_version__ = "130" class Cache: """ BitBake Cache implementation """ def __init__(self, cooker): self.cachedir = bb.data.getVar("CACHE", cooker.configuration.data, True) self.clean = {} self.checked = {} self.depends_cache = {} self.data = None self.data_fn = None self.cacheclean = True if self.cachedir in [None, '']: self.has_cache = False bb.msg.note(1, bb.msg.domain.Cache, "Not using a cache. Set CACHE = <directory> to enable.") return self.has_cache = True self.cachefile = os.path.join(self.cachedir,"bb_cache.dat") bb.msg.debug(1, bb.msg.domain.Cache, "Using cache in '%s'" % self.cachedir) try: os.stat( self.cachedir ) except OSError: bb.mkdirhier( self.cachedir ) # If any of configuration.data's dependencies are newer than the # cache there isn't even any point in loading it... newest_mtime = 0 deps = bb.data.getVar("__depends", cooker.configuration.data, True) for f,old_mtime in deps: if old_mtime > newest_mtime: newest_mtime = old_mtime if bb.parse.cached_mtime_noerror(self.cachefile) >= newest_mtime: try: p = pickle.Unpickler(file(self.cachefile, "rb")) self.depends_cache, version_data = p.load() if version_data['CACHE_VER'] != __cache_version__: raise ValueError, 'Cache Version Mismatch' if version_data['BITBAKE_VER'] != bb.__version__: raise ValueError, 'Bitbake Version Mismatch' except EOFError: bb.msg.note(1, bb.msg.domain.Cache, "Truncated cache found, rebuilding...") self.depends_cache = {} except: bb.msg.note(1, bb.msg.domain.Cache, "Invalid cache found, rebuilding...") self.depends_cache = {} else: try: os.stat( self.cachefile ) bb.msg.note(1, bb.msg.domain.Cache, "Out of date cache found, rebuilding...") except OSError: pass def getVar(self, var, fn, exp = 0): """ Gets the value of a variable (similar to getVar in the data class) There are two scenarios: 1. We have cached data - serve from depends_cache[fn] 2. We're learning what data to cache - serve from data backend but add a copy of the data to the cache. """ if fn in self.clean: return self.depends_cache[fn][var] if not fn in self.depends_cache: self.depends_cache[fn] = {} if fn != self.data_fn: # We're trying to access data in the cache which doesn't exist # yet setData hasn't been called to setup the right access. Very bad. bb.msg.error(bb.msg.domain.Cache, "Parsing error data_fn %s and fn %s don't match" % (self.data_fn, fn)) self.cacheclean = False result = bb.data.getVar(var, self.data, exp) self.depends_cache[fn][var] = result return result def setData(self, virtualfn, fn, data): """ Called to prime bb_cache ready to learn which variables to cache. Will be followed by calls to self.getVar which aren't cached but can be fulfilled from self.data. """ self.data_fn = virtualfn self.data = data # Make sure __depends makes the depends_cache # If we're a virtual class we need to make sure all our depends are appended # to the depends of fn. depends = self.getVar("__depends", virtualfn, True) or [] if "__depends" not in self.depends_cache[fn] or not self.depends_cache[fn]["__depends"]: self.depends_cache[fn]["__depends"] = depends for dep in depends: if dep not in self.depends_cache[fn]["__depends"]: self.depends_cache[fn]["__depends"].append(dep) # Make sure BBCLASSEXTEND always makes the cache too self.getVar('BBCLASSEXTEND', virtualfn, True) self.depends_cache[virtualfn]["CACHETIMESTAMP"] = bb.parse.cached_mtime(fn) def virtualfn2realfn(self, virtualfn): """ Convert a virtual file name to a real one + the associated subclass keyword """ fn = virtualfn cls = "" if virtualfn.startswith('virtual:'): cls = virtualfn.split(':', 2)[1] fn = virtualfn.replace('virtual:' + cls + ':', '') #bb.msg.debug(2, bb.msg.domain.Cache, "virtualfn2realfn %s to %s %s" % (virtualfn, fn, cls)) return (fn, cls) def realfn2virtual(self, realfn, cls): """ Convert a real filename + the associated subclass keyword to a virtual filename """ if cls == "": #bb.msg.debug(2, bb.msg.domain.Cache, "realfn2virtual %s and '%s' to %s" % (realfn, cls, realfn)) return realfn #bb.msg.debug(2, bb.msg.domain.Cache, "realfn2virtual %s and %s to %s" % (realfn, cls, "virtual:" + cls + ":" + realfn)) return "virtual:" + cls + ":" + realfn def loadDataFull(self, virtualfn, cfgData): """ Return a complete set of data for fn. To do this, we need to parse the file. """ (fn, cls) = self.virtualfn2realfn(virtualfn) bb.msg.debug(1, bb.msg.domain.Cache, "Parsing %s (full)" % fn) bb_data = self.load_bbfile(fn, cfgData) return bb_data[cls] def loadData(self, fn, cfgData, cacheData): """ Load a subset of data for fn. If the cached data is valid we do nothing, To do this, we need to parse the file and set the system to record the variables accessed. Return the cache status and whether the file was skipped when parsed """ skipped = 0 virtuals = 0 if fn not in self.checked: self.cacheValidUpdate(fn) if self.cacheValid(fn): multi = self.getVar('BBCLASSEXTEND', fn, True) for cls in (multi or "").split() + [""]: virtualfn = self.realfn2virtual(fn, cls) if self.depends_cache[virtualfn]["__SKIPPED"]: skipped += 1 bb.msg.debug(1, bb.msg.domain.Cache, "Skipping %s" % virtualfn) continue self.handle_data(virtualfn, cacheData) virtuals += 1 return True, skipped, virtuals bb.msg.debug(1, bb.msg.domain.Cache, "Parsing %s" % fn) bb_data = self.load_bbfile(fn, cfgData) for data in bb_data: virtualfn = self.realfn2virtual(fn, data) self.setData(virtualfn, fn, bb_data[data]) if self.getVar("__SKIPPED", virtualfn, True): skipped += 1 bb.msg.debug(1, bb.msg.domain.Cache, "Skipping %s" % virtualfn) else: self.handle_data(virtualfn, cacheData) virtuals += 1 return False, skipped, virtuals def cacheValid(self, fn): """ Is the cache valid for fn? Fast version, no timestamps checked. """ # Is cache enabled? if not self.has_cache: return False if fn in self.clean: return True return False def cacheValidUpdate(self, fn): """ Is the cache valid for fn? Make thorough (slower) checks including timestamps. """ # Is cache enabled? if not self.has_cache: return False self.checked[fn] = "" # Pretend we're clean so getVar works self.clean[fn] = "" # File isn't in depends_cache if not fn in self.depends_cache: bb.msg.debug(2, bb.msg.domain.Cache, "Cache: %s is not cached" % fn) self.remove(fn) return False mtime = bb.parse.cached_mtime_noerror(fn) # Check file still exists if mtime == 0: bb.msg.debug(2, bb.msg.domain.Cache, "Cache: %s not longer exists" % fn) self.remove(fn) return False # Check the file's timestamp if mtime != self.getVar("CACHETIMESTAMP", fn, True): bb.msg.debug(2, bb.msg.domain.Cache, "Cache: %s changed" % fn) self.remove(fn) return False # Check dependencies are still valid depends = self.getVar("__depends", fn, True) if depends: for f,old_mtime in depends: fmtime = bb.parse.cached_mtime_noerror(f) # Check if file still exists if old_mtime != 0 and fmtime == 0: self.remove(fn) return False if (fmtime != old_mtime): bb.msg.debug(2, bb.msg.domain.Cache, "Cache: %s's dependency %s changed" % (fn, f)) self.remove(fn) return False #bb.msg.debug(2, bb.msg.domain.Cache, "Depends Cache: %s is clean" % fn) if not fn in self.clean: self.clean[fn] = "" # Mark extended class data as clean too multi = self.getVar('BBCLASSEXTEND', fn, True) for cls in (multi or "").split(): virtualfn = self.realfn2virtual(fn, cls) self.clean[virtualfn] = "" return True def remove(self, fn): """ Remove a fn from the cache Called from the parser in error cases """ bb.msg.debug(1, bb.msg.domain.Cache, "Removing %s from cache" % fn) if fn in self.depends_cache: del self.depends_cache[fn] if fn in self.clean: del self.clean[fn] def sync(self): """ Save the cache Called from the parser when complete (or exiting) """ import copy if not self.has_cache: return if self.cacheclean: bb.msg.note(1, bb.msg.domain.Cache, "Cache is clean, not saving.") return version_data = {} version_data['CACHE_VER'] = __cache_version__ version_data['BITBAKE_VER'] = bb.__version__ cache_data = copy.deepcopy(self.depends_cache) for fn in self.depends_cache: if '__BB_DONT_CACHE' in self.depends_cache[fn] and self.depends_cache[fn]['__BB_DONT_CACHE']: bb.msg.debug(2, bb.msg.domain.Cache, "Not caching %s, marked as not cacheable" % fn) del cache_data[fn] elif 'PV' in self.depends_cache[fn] and 'SRCREVINACTION' in self.depends_cache[fn]['PV']: bb.msg.error(bb.msg.domain.Cache, "Not caching %s as it had SRCREVINACTION in PV. Please report this bug" % fn) del cache_data[fn] p = pickle.Pickler(file(self.cachefile, "wb" ), -1 ) p.dump([cache_data, version_data]) def mtime(self, cachefile): return bb.parse.cached_mtime_noerror(cachefile) def handle_data(self, file_name, cacheData): """ Save data we need into the cache """ pn = self.getVar('PN', file_name, True) pe = self.getVar('PE', file_name, True) or "0" pv = self.getVar('PV', file_name, True) if 'SRCREVINACTION' in pv: bb.note("Found SRCREVINACTION in PV (%s) or %s. Please report this bug." % (pv, file_name)) pr = self.getVar('PR', file_name, True) dp = int(self.getVar('DEFAULT_PREFERENCE', file_name, True) or "0") depends = bb.utils.explode_deps(self.getVar("DEPENDS", file_name, True) or "") packages = (self.getVar('PACKAGES', file_name, True) or "").split() packages_dynamic = (self.getVar('PACKAGES_DYNAMIC', file_name, True) or "").split() rprovides = (self.getVar("RPROVIDES", file_name, True) or "").split() cacheData.task_deps[file_name] = self.getVar("_task_deps", file_name, True) # build PackageName to FileName lookup table if pn not in cacheData.pkg_pn: cacheData.pkg_pn[pn] = [] cacheData.pkg_pn[pn].append(file_name) cacheData.stamp[file_name] = self.getVar('STAMP', file_name, True) # build FileName to PackageName lookup table cacheData.pkg_fn[file_name] = pn cacheData.pkg_pepvpr[file_name] = (pe,pv,pr) cacheData.pkg_dp[file_name] = dp provides = [pn] for provide in (self.getVar("PROVIDES", file_name, True) or "").split(): if provide not in provides: provides.append(provide) # Build forward and reverse provider hashes # Forward: virtual -> [filenames] # Reverse: PN -> [virtuals] if pn not in cacheData.pn_provides: cacheData.pn_provides[pn] = [] cacheData.fn_provides[file_name] = provides for provide in provides: if provide not in cacheData.providers: cacheData.providers[provide] = [] cacheData.providers[provide].append(file_name) if not provide in cacheData.pn_provides[pn]: cacheData.pn_provides[pn].append(provide) cacheData.deps[file_name] = [] for dep in depends: if not dep in cacheData.deps[file_name]: cacheData.deps[file_name].append(dep) if not dep in cacheData.all_depends: cacheData.all_depends.append(dep) # Build reverse hash for PACKAGES, so runtime dependencies # can be be resolved (RDEPENDS, RRECOMMENDS etc.) for package in packages: if not package in cacheData.packages: cacheData.packages[package] = [] cacheData.packages[package].append(file_name) rprovides += (self.getVar("RPROVIDES_%s" % package, file_name, 1) or "").split() for package in packages_dynamic: if not package in cacheData.packages_dynamic: cacheData.packages_dynamic[package] = [] cacheData.packages_dynamic[package].append(file_name) for rprovide in rprovides: if not rprovide in cacheData.rproviders: cacheData.rproviders[rprovide] = [] cacheData.rproviders[rprovide].append(file_name) # Build hash of runtime depends and rececommends if not file_name in cacheData.rundeps: cacheData.rundeps[file_name] = {} if not file_name in cacheData.runrecs: cacheData.runrecs[file_name] = {} rdepends = self.getVar('RDEPENDS', file_name, True) or "" rrecommends = self.getVar('RRECOMMENDS', file_name, True) or "" for package in packages + [pn]: if not package in cacheData.rundeps[file_name]: cacheData.rundeps[file_name][package] = [] if not package in cacheData.runrecs[file_name]: cacheData.runrecs[file_name][package] = [] cacheData.rundeps[file_name][package] = rdepends + " " + (self.getVar("RDEPENDS_%s" % package, file_name, True) or "") cacheData.runrecs[file_name][package] = rrecommends + " " + (self.getVar("RRECOMMENDS_%s" % package, file_name, True) or "") # Collect files we may need for possible world-dep # calculations if not self.getVar('BROKEN', file_name, True) and not self.getVar('EXCLUDE_FROM_WORLD', file_name, True): cacheData.possible_world.append(file_name) # Touch this to make sure its in the cache self.getVar('__BB_DONT_CACHE', file_name, True) self.getVar('BBCLASSEXTEND', file_name, True) def load_bbfile( self, bbfile , config): """ Load and parse one .bb build file Return the data and whether parsing resulted in the file being skipped """ import bb from bb import utils, data, parse, debug, event, fatal # expand tmpdir to include this topdir data.setVar('TMPDIR', data.getVar('TMPDIR', config, 1) or "", config) bbfile_loc = os.path.abspath(os.path.dirname(bbfile)) oldpath = os.path.abspath(os.getcwd()) if bb.parse.cached_mtime_noerror(bbfile_loc): os.chdir(bbfile_loc) bb_data = data.init_db(config) try: bb_data = parse.handle(bbfile, bb_data) # read .bb data os.chdir(oldpath) return bb_data except: os.chdir(oldpath) raise def init(cooker): """ The Objective: Cache the minimum amount of data possible yet get to the stage of building packages (i.e. tryBuild) without reparsing any .bb files. To do this, we intercept getVar calls and only cache the variables we see being accessed. We rely on the cache getVar calls being made for all variables bitbake might need to use to reach this stage. For each cached file we need to track: * Its mtime * The mtimes of all its dependencies * Whether it caused a parse.SkipPackage exception Files causing parsing errors are evicted from the cache. """ return Cache(cooker) #============================================================================# # CacheData #============================================================================# class CacheData: """ The data structures we compile from the cached data """ def __init__(self): """ Direct cache variables (from Cache.handle_data) """ self.providers = {} self.rproviders = {} self.packages = {} self.packages_dynamic = {} self.possible_world = [] self.pkg_pn = {} self.pkg_fn = {} self.pkg_pepvpr = {} self.pkg_dp = {} self.pn_provides = {} self.fn_provides = {} self.all_depends = [] self.deps = {} self.rundeps = {} self.runrecs = {} self.task_queues = {} self.task_deps = {} self.stamp = {} self.preferred = {} """ Indirect Cache variables (set elsewhere) """ self.ignored_dependencies = [] self.world_target = set() self.bbfile_priority = {} self.bbfile_config_priorities = []