llvm-project/clang/tools/scan-view/scan-view

132 lines
4.1 KiB
Python
Executable File

#!/usr/bin/env python
"""The clang static analyzer results viewer.
"""
import sys
import posixpath
import thread
import time
import urllib
import webbrowser
# How long to wait for server to start.
kSleepTimeout = .05
kMaxSleeps = int(60 / kSleepTimeout)
# Default server parameters
kDefaultHost = '127.0.0.1'
kDefaultPort = 8181
kMaxPortsToTry = 100
###
def url_is_up(url):
try:
o = urllib.urlopen(url)
except IOError:
return False
o.close()
return True
def start_browser(port, options):
import urllib, webbrowser
url = 'http://%s:%d'%(options.host, port)
# Wait for server to start...
if options.debug:
sys.stderr.write('%s: Waiting for server.' % sys.argv[0])
sys.stderr.flush()
for i in range(kMaxSleeps):
if url_is_up(url):
break
if options.debug:
sys.stderr.write('.')
sys.stderr.flush()
time.sleep(kSleepTimeout)
else:
print >>sys.stderr,'WARNING: Unable to detect that server started.'
if options.debug:
print >>sys.stderr,'%s: Starting webbrowser...' % sys.argv[0]
webbrowser.open(url)
def run(port, options, root):
import ScanView
try:
print 'Starting scan-view at: http://%s:%d'%(options.host,
port)
print ' Use Ctrl-C to exit.'
httpd = ScanView.create_server((options.host, port),
options, root)
httpd.serve_forever()
except KeyboardInterrupt:
pass
def port_is_open(port):
import SocketServer
try:
t = SocketServer.TCPServer((kDefaultHost,port),None)
except:
return False
t.server_close()
return True
def main():
from optparse import OptionParser
parser = OptionParser('usage: %prog [options] <results directory>')
parser.set_description(__doc__)
parser.add_option(
'--host', dest="host", default=kDefaultHost, type="string",
help="Host interface to listen on. (default=%s)" % kDefaultHost)
parser.add_option(
'--port', dest="port", default=None, type="int",
help="Port to listen on. (default=%s)" % kDefaultPort)
parser.add_option("--debug", dest="debug", default=0,
action="count",
help="Print additional debugging information.")
parser.add_option("--auto-reload", dest="autoReload", default=False,
action="store_true",
help="Automatically update module for each request.")
parser.add_option("--no-browser", dest="startBrowser", default=True,
action="store_false",
help="Don't open a webbrowser on startup.")
parser.add_option("--allow-all-hosts", dest="onlyServeLocal", default=True,
action="store_false",
help='Allow connections from any host (access restricted to "127.0.0.1" by default)')
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error('No results directory specified.')
root, = args
# Make sure this directory is in a reasonable state to view.
if not posixpath.exists(posixpath.join(root,'index.html')):
parser.error('Invalid directory, analysis results not found!')
# Find an open port. We aren't particularly worried about race
# conditions here. Note that if the user specified a port we only
# use that one.
if options.port is not None:
port = options.port
else:
for i in range(kMaxPortsToTry):
if port_is_open(kDefaultPort + i):
port = kDefaultPort + i
break
else:
parser.error('Unable to find usable port in [%d,%d)'%(kDefaultPort,
kDefaultPort+kMaxPortsToTry))
# Kick off thread to wait for server and start web browser, if
# requested.
if options.startBrowser:
t = thread.start_new_thread(start_browser, (port,options))
run(port, options, root)
if __name__ == '__main__':
main()