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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 gosfake.py,
# factored out so we can write other test programs with it.
import sys, os, signal, time, getopt
import gpsfake
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
(options, arguments) = getopt.getopt(sys.argv[1:], "bc:D:ghlm:o:ps:v")
progress = False
cycle = 1
monitor = ""
speed = 4800
linedump = False
pipe = False
verbose = False
doptions = ""
for (switch, val) in options:
if (switch == '-b'):
progress = True
elif (switch == '-c'):
cycle = float(val)
elif (switch == '-D'):
doptions += " -D " + val
elif (switch == '-g'):
monitor = "gdb --args "
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 == '-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 pipe and linenumber > 0:
return False
if not pipe:
sys.stderr.write("gpsfake: log cycle begins.\n")
time.sleep(cycle)
if linedump:
if fakegps.testload.textual:
ml = fakegps.testload.sentences[linenumber % len(fakegps.testload.sentences)].strip()
else:
ml = ""
print fakegps.testload.legend % (linenumber % len(fakegps.testload.sentences) + 1) + ml
if progress:
baton.twirl()
return True
if progress:
baton = Baton("Processing %s" % logfile, "done")
test = gpsfake.TestSession(prefix=monitor, options=doptions)
if pipe:
test.reporter = sys.stdout.write
try:
test.gps_add(logfile, speed=speed, pred=fakehook)
except gpsfake.PacketError, e:
sys.stderr.write("gsfake: " + e.msg + "\n")
raise SystemExit, 1
except IOError:
sys.stderr.write("gsfake: no such file as %s or file unreadable\n"%logfile)
raise SystemExit, 1
except OSError:
sys.stderr.write("gpsfake: can't open pty.\n")
raise SystemExit, 1
test.client_add("w+r+\n")
test.cleanup();
test.killall()
if progress:
baton.end()
# gpsfake ends here
|
