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|
#!/usr/bin/env python
#
# gpsfake -- test harness for gpsd
#
# Simulates a GPS, playing back a logfile
# Most of the logic for this now lives in gpsfake.py,
# factored out so we can write other test programs with it.
import sys, os, signal, time, getopt, socket
import gpsfake
# So we can do regression tests without stepping on a production daemon
# According to IANA port 12000 belongs to an IBM SNA service. Picking an
# obsolete service seems safer than picking an unused number that IANA might
# allocate in the future.
fakeport = 12000
class Baton:
"Ship progress indications to stderr."
def __init__(self, prompt, endmsg=None):
self.stream = sys.stderr
self.stream.write(prompt + "... \010")
self.stream.flush()
self.count = 0
self.endmsg = endmsg
self.time = time.time()
return
def twirl(self, ch=None):
if self.stream is None:
return
if ch:
self.stream.write(ch)
else:
self.stream.write("-/|\\"[self.count % 4])
self.stream.write("\010")
self.count = self.count + 1
self.stream.flush()
return
def end(self, msg=None):
if msg == None:
msg = self.endmsg
if self.stream:
self.stream.write("...(%2.2f sec) %s.\n" % (time.time() - self.time, msg))
return
try:
(options, arguments) = getopt.getopt(sys.argv[1:], "1bc:D:ghilm:o:pr:s:v")
except getopt.GetoptError, msg:
print "gpsfake: " + str(msg)
raise SystemExit, 1
port = None
progress = False
cycle = 0
monitor = ""
speed = 4800
linedump = False
pipe = False
singleshot = False
promptme = False
init = "w+r+"
doptions = ""
verbose = False
for (switch, val) in options:
if (switch == '-1'):
singleshot = True
port = fakeport
elif (switch == '-b'):
progress = True
elif (switch == '-c'):
cycle = float(val)
elif (switch == '-D'):
doptions += " -D " + val
elif (switch == '-g'):
monitor = "xterm -e gdb -tui --args "
elif (switch == '-i'):
linedump = promptme = True
elif (switch == '-l'):
linedump = True
elif (switch == '-m'):
monitor = val + " "
elif (switch == '-o'):
doptions = val
elif (switch == '-p'):
pipe = True
cycle = 0.05
elif (switch == '-r'):
init = val
elif (switch == '-s'):
speed = int(val)
elif (switch == '-v'):
verbose = True
elif (switch == '-h'):
sys.stderr.write("usage: gpsfake [-h] [-l] [-m monitor] [--D debug] [-o options] [-p] [-s speed] [-c cycle] [-b] logfile\n")
raise SystemExit,0
logfile = arguments[0]
def fakehook(linenumber, fakegps):
if linenumber % len(fakegps.testload.sentences) == 0:
if singleshot and linenumber > 0:
return False
if progress:
baton.twirl('*\010')
else:
sys.stderr.write("gpsfake: log cycle begins.\n")
time.sleep(cycle)
if linedump and fakegps.testload.legend:
if fakegps.testload.textual:
ml = fakegps.testload.sentences[linenumber % len(fakegps.testload.sentences)].strip()
else:
ml = ""
announce = fakegps.testload.legend % (linenumber % len(fakegps.testload.sentences) + 1) + ml
if promptme:
raw_input(announce + "? ")
else:
print announce
if progress:
baton.twirl()
return True
if progress:
baton = Baton("Processing %s" % logfile, "done")
test = gpsfake.TestSession(prefix=monitor, port=port, options=doptions, verbose=verbose)
if pipe:
test.reporter = sys.stdout.write
try:
try:
test.gps_add(logfile, speed=speed, pred=fakehook)
except gpsfake.PacketError, e:
sys.stderr.write("gpsfake: " + e.msg + "\n")
raise SystemExit, 1
except gpsfake.DaemonError, e:
sys.stderr.write("gpsfake: " + e.msg + "\n")
raise SystemExit, 1
except IOError, e:
sys.stderr.write("gpsfake: no such file as %s or file unreadable\n"%e.filename)
raise SystemExit, 1
except OSError:
sys.stderr.write("gpsfake: can't open pty.\n")
raise SystemExit, 1
try:
test.client_add(init + "\n")
except socket.error, msg:
sys.stderr.write("gpsfake: socket error %s.\n", msg)
raise SystemExit, 1
finally:
test.cleanup();
if progress:
baton.end()
# gpsfake ends here
|
