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return -code error "Unable to normalize CPU: $cpu"
}
proc init {} {
if {[info exists ::appfs::init_called]} {
return
}
# Force [parray] to be loaded
catch {
parray does_not_exist
}
set ::appfs::init_called 1
if {![info exists ::appfs::db]} {
file mkdir $::appfs::cachedir
sqlite3 ::appfs::db [file join $::appfs::cachedir cache.db]
}
# Create tables
_db eval {CREATE TABLE IF NOT EXISTS sites(hostname PRIMARY KEY, lastUpdate, ttl);}
_db eval {CREATE TABLE IF NOT EXISTS packages(hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest);}
_db eval {CREATE TABLE IF NOT EXISTS files(package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory);}
db eval {CREATE TABLE IF NOT EXISTS sites(hostname PRIMARY KEY, lastUpdate, ttl);}
db eval {CREATE TABLE IF NOT EXISTS packages(hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest);}
db eval {CREATE TABLE IF NOT EXISTS files(package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory);}
# Create indexes
_db eval {CREATE INDEX IF NOT EXISTS sites_index ON sites (hostname);}
_db eval {CREATE INDEX IF NOT EXISTS packages_index ON packages (hostname, package, version, os, cpuArch);}
_db eval {CREATE INDEX IF NOT EXISTS files_index ON files (package_sha1, file_name, file_directory);}
db eval {CREATE INDEX IF NOT EXISTS sites_index ON sites (hostname);}
db eval {CREATE INDEX IF NOT EXISTS packages_index ON packages (hostname, package, version, os, cpuArch);}
db eval {CREATE INDEX IF NOT EXISTS files_index ON files (package_sha1, file_name, file_directory);}
}
proc download {hostname hash {method sha1}} {
set url "http://$hostname/appfs/$method/$hash"
set file [_cachefile $url $hash]
if {![file exists $file]} {
return -code error "Unable to fetch (file does not exist: $file)"
}
return $file
}
proc getindex {hostname} {
set now [clock seconds]
set lastUpdates [_db eval {SELECT lastUpdate, ttl FROM sites WHERE hostname = $hostname LIMIT 1;}]
set lastUpdates [db eval {SELECT lastUpdate, ttl FROM sites WHERE hostname = $hostname LIMIT 1;}]
if {[llength $lastUpdates] == 0} {
set lastUpdate 0
set ttl 0
} else {
set lastUpdate [lindex $lastUpdates 0]
set ttl [lindex $lastUpdates 1]
}
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}
::http::reset $token
::http::cleanup $token
}
if {![info exists indexhash_data]} {
# Cache this result for 60 seconds
_db eval {INSERT OR REPLACE INTO sites (hostname, lastUpdate, ttl) VALUES ($hostname, $now, $::appfs::nttl);}
db eval {INSERT OR REPLACE INTO sites (hostname, lastUpdate, ttl) VALUES ($hostname, $now, $::appfs::nttl);}
return -code error "Unable to fetch $url"
}
set indexhash [lindex [split $indexhash_data ","] 0]
if {![_isHash $indexhash]} {
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if {![_isHash $pkgInfo(hash)]} {
continue
}
lappend curr_packages $pkgInfo(hash)
# Do not do any additional work if we already have this package
set existing_packages [_db eval {SELECT package FROM packages WHERE hostname = $hostname AND sha1 = $pkgInfo(hash);}]
set existing_packages [db eval {SELECT package FROM packages WHERE hostname = $hostname AND sha1 = $pkgInfo(hash);}]
if {[lsearch -exact $existing_packages $pkgInfo(package)] != -1} {
continue
}
if {$pkgInfo(isLatest)} {
_db eval {UPDATE packages SET isLatest = 0 WHERE hostname = $hostname AND package = $pkgInfo($package) AND os = $pkgInfo($package) AND cpuArch = $pkgInfo(cpuArch);}
db eval {UPDATE packages SET isLatest = 0 WHERE hostname = $hostname AND package = $pkgInfo($package) AND os = $pkgInfo($package) AND cpuArch = $pkgInfo(cpuArch);}
}
_db eval {INSERT INTO packages (hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest) VALUES ($hostname, $pkgInfo(hash), $pkgInfo(package), $pkgInfo(version), $pkgInfo(os), $pkgInfo(cpuArch), $pkgInfo(isLatest), 0);}
db eval {INSERT INTO packages (hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest) VALUES ($hostname, $pkgInfo(hash), $pkgInfo(package), $pkgInfo(version), $pkgInfo(os), $pkgInfo(cpuArch), $pkgInfo(isLatest), 0);}
}
# Look for packages that have been deleted
set found_packages [_db eval {SELECT sha1 FROM packages WHERE hostname = $hostname;}]
set found_packages [db eval {SELECT sha1 FROM packages WHERE hostname = $hostname;}]
foreach package $found_packages {
set found_packages_arr($package) 1
}
foreach package $curr_packages {
unset -nocomplain found_packages_arr($package)
}
foreach package [array names found_packages_arr] {
_db eval {DELETE FROM packages WHERE hostname = $hostname AND sha1 = $package;}
db eval {DELETE FROM packages WHERE hostname = $hostname AND sha1 = $package;}
}
_db eval {INSERT OR REPLACE INTO sites (hostname, lastUpdate, ttl) VALUES ($hostname, $now, $::appfs::ttl);}
db eval {INSERT OR REPLACE INTO sites (hostname, lastUpdate, ttl) VALUES ($hostname, $now, $::appfs::ttl);}
return COMPLETE
}
proc getpkgmanifest {hostname package_sha1} {
set haveManifests [_db eval {SELECT haveManifest FROM packages WHERE sha1 = $package_sha1 LIMIT 1;}]
set haveManifests [db eval {SELECT haveManifest FROM packages WHERE sha1 = $package_sha1 LIMIT 1;}]
set haveManifest [lindex $haveManifests 0]
if {$haveManifest} {
return COMPLETE
}
if {![_isHash $package_sha1]} {
return FAIL
}
set file [download $hostname $package_sha1]
set fd [open $file]
set pkgdata [read $fd]
close $fd
_db transaction {
db transaction {
foreach line [split $pkgdata "\n"] {
set line [string trim $line]
if {$line == ""} {
continue
}
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}
set fileInfo(name) [join $work ","]
set fileInfo(name) [split [string trim $fileInfo(name) "/"] "/"]
set fileInfo(directory) [join [lrange $fileInfo(name) 0 end-1] "/"]
set fileInfo(name) [lindex $fileInfo(name) end]
_db eval {INSERT INTO files (package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory) VALUES ($package_sha1, $fileInfo(type), $fileInfo(time), $fileInfo(source), $fileInfo(size), $fileInfo(perms), $fileInfo(sha1), $fileInfo(name), $fileInfo(directory) );}
_db eval {UPDATE packages SET haveManifest = 1 WHERE sha1 = $package_sha1;}
db eval {INSERT INTO files (package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory) VALUES ($package_sha1, $fileInfo(type), $fileInfo(time), $fileInfo(source), $fileInfo(size), $fileInfo(perms), $fileInfo(sha1), $fileInfo(name), $fileInfo(directory) );}
db eval {UPDATE packages SET haveManifest = 1 WHERE sha1 = $package_sha1;}
}
}
return COMPLETE
}
}
|