Substitute $PYTHON instead of assuming 'python' is python.

Now 'make check' runs on NetbSD, and $(prefix)/bin/gpsfake works.

1 files changed, 0 insertions, 481 deletions

diff --git a/gpsprof b/gpsprof
deleted file mode 100755
index 8410f19e..00000000
--- a/gpsprof
+++ /dev/null
@@ -1,481 +0,0 @@
-#!/usr/bin/env python
-#
-# Collect and plot latency-profiling data from a running gpsd.
-# Requires gnuplot.
-#
-import sys, os, time, getopt, tempfile, time, socket, math, copy
-import gps
-
-class Baton:
-    "Ship progress indication to stderr."
-    def __init__(self, prompt, endmsg=None):
-        self.stream = sys.stderr
-        self.stream.write(prompt + "...")
-        if os.isatty(self.stream.fileno()):
-            self.stream.write(" \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)
-        elif os.isatty(self.stream.fileno()):
-            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
-
-class spaceplot:
-    "Total times without instrumentation."
-    name = "space"
-    def __init__(self):
-        self.fixes = []
-    def d(self, a, b):
-        return math.sqrt((a[0] - b[0])**2 + (a[1] - b[1])**2)
-    def gather(self, session):
-        # Include altitude, not used here, for 3D plot experiments.
-        # Watch out for the NaN value from gps.py.
-        self.fixes.append((session.fix.latitude, session.fix.longitude, session.fix.altitude))
-        return True
-    def header(self, session):
-        res = "# Position uncertainty, %s, %s, %ds cycle\n" % \
-                 (title, session.gps_id, session.cycle)
-        return res
-    def data(self, session):
-        res = ""
-        for i in range(len(self.recentered)):
-            (lat, lon) = self.recentered[i][:2]
-            (raw1, raw2, alt) = self.fixes[i]
-            res += "%f\t%f\t%f\t%f\t%f\n" % (lat, lon, raw1, raw2, alt)
-        return res
-    def plot(self, title, session):
-        if len(self.fixes) == 0:
-            sys.stderr.write("No fixes collected, can't estimate accuracy.")
-            sys.exit(1)
-	# centroid is just arithmetic avg of lat,lon
-        self.centroid = (sum(map(lambda x:x[0], self.fixes))/len(self.fixes), sum(map(lambda x:x[1], self.fixes))/len(self.fixes))
-        # Sort fixes by distance from centroid
-        self.fixes.sort(lambda x, y: cmp(self.d(self.centroid, x), self.d(self.centroid, y)))
-        # Convert fixes to offsets from centroid in meters
-        self.recentered = map(lambda fix: gps.MeterOffset(self.centroid, fix[:2]), self.fixes)
-        # Compute CEP(50%)
-        cep_meters = gps.EarthDistance(self.centroid[:2], self.fixes[len(self.fixes)/2][:2])
-        alt_sum = 0
-        alt_num = 0
-        lon_max = -9999
-        for i in range(len(self.recentered)):
-            (lat, lon) = self.recentered[i][:2]
-            (raw1, raw2, alt) = self.fixes[i]
-            if not gps.isnan(alt):
-                    alt_sum += alt
-                    alt_num += 1
-            if lon > lon_max :
-                    lon_max = lon
-        if alt_num == 0:
-            alt_avg = gps.NaN
-        else:
-            alt_avg = alt_sum / alt_num
-        if self.centroid[0] < 0:
-            latstring = "%fS" % -self.centroid[0]
-        elif self.centroid[0] == 0:
-            latstring = "0"
-        else:
-            latstring = "%fN" % self.centroid[0]
-        if self.centroid[1] < 0:
-            lonstring = "%fW" % -self.centroid[1]
-        elif self.centroid[1] == 0:
-            lonstring = "0"
-        else:
-            lonstring = "%fE" % self.centroid[1]
-        fmt = "set autoscale\n"
-        fmt += 'set key below\n'
-        fmt += 'set key title "%s"\n' % time.asctime()
-        fmt += 'set size ratio -1\n'
-        fmt += 'set style line 2 pt 1\n'
-        fmt += 'set style line 3 pt 2\n'
-        fmt += 'set xlabel "Meters east from %s"\n' % lonstring
-        fmt += 'set ylabel "Meters north from %s"\n' % latstring
-        fmt += 'set border 15\n'
-        if not gps.isnan(alt_avg):
-            fmt += 'set y2label "Meters Altitude from %f"\n' % alt_avg
-            fmt += 'set ytics nomirror\n'
-            fmt += 'set y2tics\n'
-        fmt += 'cep=%f\n' % self.d((0,0), self.recentered[len(self.fixes)/2])
-        fmt += 'set parametric\n'
-        fmt += 'set trange [0:2*pi]\n'
-        fmt += 'cx(t, r) = sin(t)*r\n'
-        fmt += 'cy(t, r) = cos(t)*r\n'
-        fmt += 'chlen = cep/20\n'
-        fmt += "set arrow from -chlen,0 to chlen,0 nohead\n"
-        fmt += "set arrow from 0,-chlen to 0,chlen nohead\n"
-        fmt += 'plot cx(t, cep),cy(t, cep) title "CEP (50%%) = %f meters",  ' % (cep_meters)
-        fmt += ' "-" using 1:2 with points ls 3 title "%d GPS fixes" ' % (len(self.fixes))
-        if not gps.isnan(alt_avg):
-            fmt += ', "-" using ( %f ):($5 < 100000 ? $5 - %f : 1/0) axes x1y2 with points ls 2 title " %d Altitude fixes, Average = %f" \n' % (lon_max +1, alt_avg, alt_num, alt_avg)
-        else:
-            fmt += "\n"
-        fmt += self.header(session)
-        fmt += self.data(session)
-        if not gps.isnan(alt_avg):
-            fmt += "e\n" + self.data(session)
-        return fmt
-
-class uninstrumented:
-    "Total times without instrumentation."
-    name = "uninstrumented"
-    def __init__(self):
-        self.stats = []
-    def gather(self, session):
-        if session.fix.time:
-            seconds = time.time() - session.fix.time
-            self.stats.append(seconds)
-            return True
-        else:
-            return False
-    def header(self, session):
-        return "# Uninstrumented total latency, %s, %s, %dN%d, cycle %ds\n" % \
-                 (title,
-                  session.gps_id, session.baudrate,
-                  session.stopbits, session.cycle)
-    def data(self, session):
-        res = ""
-        for seconds in self.stats:
-            res += "%2.6lf\n" % seconds
-        return res
-    def plot(self, title, session):
-        fmt = '''
-set autoscale
-set key below
-set key title "Uninstrumented total latency, %s, %s, %dN%d, cycle %ds"
-plot "-" using 0:1 title "Total time" with impulses
-'''
-        res = fmt % (title,
-                      session.gps_id, session.baudrate,
-                      session.stopbits, session.cycle)
-        res += self.header(session)
-        return res + self.data(session)
-
-class rawplot:
-    "All measurement, no deductions."
-    name = "raw"
-    def __init__(self):
-        self.stats = []
-    def gather(self, session):
-        self.stats.append(copy.copy(session.timings))
-        return True
-    def header(self, session):
-        res = "# Raw latency data, %s, %s, %dN%d, cycle %ds\n" % \
-                 (title,
-                  session.gps_id, session.baudrate,
-                  session.stopbits, session.cycle)
-        res += "# tag    len    xmit                  "
-        for hn in ("T1", "D1", "E2", "T2", "D2"):
-            res += "%-13s" % hn
-        res += "\n#------- -----  --------------------"
-        for i in range(0, 5):
-            res += "  " + ("-" * 11)
-        return res + "\n"
-    def data(self, session):
-        res = ""
-        for timings in self.stats:
-            res += "% 8s  %4d  %2.9f  %2.9f  %2.9f  %2.9f  %2.9f  %2.9f\n" \
-                % (timings.tag,
-                   timings.len,
-                   timings.xmit, 
-                   timings.recv - timings.xmit,
-                   timings.decode - timings.recv,
-                   timings.emit - timings.decode,
-                   timings.c_recv - timings.emit,
-                   timings.c_decode - timings.c_recv)
-        return res
-    def plot(self, file, session):
-        fmt = '''
-set autoscale
-set key below
-set key title "Raw latency data, %s, %s, %dN%d, cycle %ds"
-plot \
-     "-" using 0:8 title "D2 = Client decode time" with impulses, \
-     "-" using 0:7 title "T2 =     TCP/IP latency" with impulses, \
-     "-" using 0:6 title "E2 = Daemon encode time" with impulses, \
-     "-" using 0:5 title "D1 = Daemon decode time" with impulses, \
-     "-" using 0:4 title "T1 =         RS232 time" with impulses
-'''
-        res = fmt % (title,
-                      session.gps_id, session.baudrate,
-                      session.stopbits, session.cycle)
-        res += self.header(session)
-        for dummy in range(0, 5):
-            res += self.data(session) + "e\n"
-        return res
-
-class splitplot:
-    "Discard base time, use color to indicate different tags."
-    name = "split"
-    sentences = []
-    def __init__(self):
-        self.stats = []
-    def gather(self, session):
-        self.stats.append(copy.copy(session.timings))
-        if session.timings.tag not in self.sentences:
-            self.sentences.append(session.timings.tag)
-        return True
-    def header(self, session):
-        res = "# Split latency data, %s, %s, %dN%d, cycle %ds\n#" % \
-                 (title,
-                  session.gps_id, session.baudrate,
-                  session.stopbits, session.cycle)
-        for s in splitplot.sentences:
-            res += "%8s\t" % s
-        for hn in ("T1", "D1", "E2", "T2", "D2", "length"):
-            res += "%8s\t" % hn
-        res += "tag\n# "
-        for s in tuple(splitplot.sentences) + ("T1", "D1", "E2", "T2", "D2", "length"):
-            res += "---------\t"
-        return res + "--------\n"
-    def data(self, session):
-        res = ""
-        for timings in self.stats:
-            for s in splitplot.sentences:
-                if s == timings.tag:
-                    res += "%2.6f\t" % timings.xmit
-                else:
-                    res += "-       \t"
-            res += "%2.6f\t%2.6f\t%2.6f\t%2.6f\t%2.6f\t%8d\t# %s\n" \
-                     % (timings.recv - timings.xmit,
-                        timings.decode - timings.recv,
-                        timings.emit - timings.decode,
-                        timings.c_recv - timings.emit,
-                        timings.c_decode - timings.c_recv,
-                        timings.len,
-                        timings.tag)
-        return res
-    def plot(self, title, session):
-        fixed = '''
-set autoscale
-set key below
-set key title "Filtered latency data, %s, %s, %dN%d, cycle %ds"
-plot \
-     "-" using 0:%d title "D2 = Client decode time" with impulses, \
-     "-" using 0:%d title "T2 = TCP/IP latency" with impulses, \
-     "-" using 0:%d title "E2 = Daemon encode time" with impulses, \
-     "-" using 0:%d title "D1 = Daemon decode time" with impulses, \
-     "-" using 0:%d title "T1 = RS3232 time" with impulses, \
-'''
-        sc = len(splitplot.sentences)
-        fmt = fixed % (title,
-                       session.gps_id, session.baudrate,
-                       session.stopbits, session.cycle,
-                       sc+5,
-                       sc+4,
-                       sc+3,
-                       sc+2,
-                       sc+1)
-        for i in range(sc):
-            fmt += '     "-" using 0:%d title "%s" with impulses,' % \
-                   (i+1, self.sentences[i])
-        res = fmt[:-1] + "\n"
-        res += self.header(session)
-        for dummy in range(sc+5):
-            res += self.data(session) + "e\n"
-        return res
-
-class cycle:
-    "Send-cycle analysis."
-    name = "cycle"
-    def __init__(self):
-        self.stats = []
-    def gather(self, session):
-        self.stats.append(copy.copy(session.timings))
-        return True
-    def plot(self, title, session):
-        msg = ""
-        def roundoff(n):
-            # Round a time to hundredths of a second
-            return round(n*100) / 100.0
-        intervals = {}
-        last_seen = {}
-        for timing in self.stats:
-            # Throw out everything but the leader in each GSV group
-            if timing.tag[-3:] == "GSV" and last_command[-3:] == "GSV":
-                continue
-            last_command = timing.tag
-            # Record timings
-            received = timing.d_received()
-            if not timing.tag in intervals:
-                intervals[timing.tag] = []
-            if timing.tag in last_seen:
-                intervals[timing.tag].append(roundoff(received - last_seen[timing.tag])) 
-            last_seen[timing.tag] = received
-
-        # Step three: get command frequencies and the basic send cycle time
-        frequencies = {}
-        for (key, interval_list) in intervals.items():
-            frequencies[key] = {}
-            for interval in interval_list:
-                frequencies[key][interval] = frequencies[key].get(interval, 0) + 1
-        # filter out noise
-        for key in frequencies:
-            distribution = frequencies[key]
-            for interval in distribution.keys():
-                if distribution[interval] < 2:
-                    del distribution[interval]
-        cycles = {}
-        for key in frequencies:
-            distribution = frequencies[key]
-            if len(frequencies[key].values()) == 1:
-                # The value is uniqe after filtering
-                cycles[key] = distribution.keys()[0]
-            else:
-                # Compute the mode
-                maxfreq = 0
-                for (interval, frequency) in distribution.items():
-                    if distribution[interval] > maxfreq:
-                        cycles[key] = interval
-                        maxfreq = distribution[interval]
-        msg += "Cycle report %s, %s, %dN%d, cycle %ds" % \
-                 (title,
-                  session.gps_id, session.baudrate,
-                  session.stopbits, session.cycle)
-        msg += "The sentence set emitted by this GPS is: %s\n" % " ".join(intervals.keys())
-        for key in cycles:
-            if len(frequencies[key].values()) == 1:
-                if cycles[key] == 1:
-                    msg += "%s: is emitted once a second.\n" % key
-                else:
-                    msg += "%s: is emitted once every %d seconds.\n" % (key, cycles[key])
-            else:
-                if cycles[key] == 1:
-                    msg += "%s: is probably emitted once a second.\n" % key
-                else:
-                    msg += "%s: is probably emitted once every %d seconds.\n" % (key, cycles[key])
-        sendcycle = min(*cycles.values())
-        if sendcycle == 1:
-            msg += "Send cycle is once per second.\n"
-        else:
-            msg += "Send cycle is once per %d seconds.\n" % sendcycle
-        return msg
-
-formatters = (spaceplot, uninstrumented, rawplot, splitplot, cycle)
-
-def plotframe(await, fname, speed, threshold, title):
-    "Return a string containing a GNUplot script "
-    if fname:
-        for formatter in formatters:
-            if formatter.name == fname:
-                plotter = formatter()
-                break
-        else:
-            sys.stderr.write("gpsprof: no such formatter.\n")
-            sys.exit(1)
-    try:
-        session = gps.gps(verbose=verbose)
-    except socket.error:
-        sys.stderr.write("gpsprof: gpsd unreachable.\n")
-        sys.exit(1)
-    # Initialize
-    session.poll()
-    if session.version == None:
-        print >>sys.stderr, "gpsprof: requires gpsd to speak new protocol."
-        sys.exit(1)
-    session.send("?DEVICES;")
-    while session.poll() != -1:
-        if session.data["class"] == "DEVICES":
-            break
-    if len(session.data.devices) != 1:
-        print >>sys.stderr, "gpsprof: exactly one device must be attached."
-        sys.exit(1)
-    device = session.data.devices[0]
-    path = device["path"]
-    session.baudrate = device["bps"] 
-    session.parity = device["bps"] 
-    session.stopbits = device["stopbits"] 
-    session.cycle = device["cycle"]
-    session.gps_id = device["driver"]
-    # Set parameters
-    if speed:
-        session.send('?DEVICE={"path":"%s","bps:":%d}' % (path, speed))
-        session.poll()
-        if session.baudrate != speed:
-            sys.stderr.write("gpsprof: baud rate change failed.\n")
-    options = ""
-    if formatter not in (spaceplot, uninstrumented):
-        options = ',"timing":true'
-    try:
-        #session.set_raw_hook(lambda x: sys.stderr.write(`x`+"\n"))
-        session.send('?WATCH={"enable":true%s}' % options)
-        baton = Baton("gpsprof: looking for fix", "done")
-        countdown = await
-        basetime = time.time()
-        while countdown > 0:
-            if session.poll() == -1:
-                sys.stderr.write("gpsprof: gpsd has vanished.\n")
-                sys.exit(1)
-            baton.twirl()
-            if session.data["class"] == "WATCH":
-                if "timing" in options and not session.data.get("timing"):
-                    sys.stderr.write("gpsprof: timing is not enabled.\n")
-                    sys.exit(1)
-            # We can get some funky artifacts at start of session
-            # apparently due to RS232 buffering effects. Ignore
-            # them.
-            if threshold and time.time()-basetime < session.cycle * threshold:
-                continue
-            if session.fix.mode <= gps.MODE_NO_FIX:
-                continue
-            if countdown == await:
-                sys.stderr.write("first fix in %.2fsec, gathering %d samples..." % (time.time()-basetime,await))
-            if plotter.gather(session):
-                countdown -= 1
-        baton.end()
-    finally:
-        session.send('?WATCH={"enable":false,"timing":false}')
-    command = plotter.plot(title, session)
-    del session
-    return command
-
-if __name__ == '__main__':
-    try:
-        (options, arguments) = getopt.getopt(sys.argv[1:], "f:hm:n:s:t:v")
-        formatter = "space"
-        raw = False
-        speed = 0
-        title = time.ctime()
-        threshold = 0
-        await = 100
-        verbose = False
-        for (switch, val) in options:
-            if (switch == '-f'):
-                formatter = val
-            elif (switch == '-m'):
-                threshold = int(val)
-            elif (switch == '-n'):
-                await = int(val)
-            elif (switch == '-s'):
-                speed = int(val)
-            elif (switch == '-t'):
-                title = val
-            elif (switch == '-v'):
-                verbose = True
-            elif (switch == '-h'):
-                sys.stderr.write(\
-                    "usage: gpsprof [-h] [-m threshold] [-n samplecount] \n"
-                     + "\t[-f {" + "|".join(map(lambda x: x.name, formatters)) + "}] [-s speed] [-t title]\n")
-                sys.exit(0)
-        sys.stdout.write(plotframe(await,formatter,speed,threshold,title))
-    except KeyboardInterrupt:
-        pass
-
-