def __init__( self, ais_state ): # Find the corresponding message struct and function try: msg_struct = getattr( aisparser, "aismsg_" + str(ais_state.msgid) ) msg_func = getattr( aisparser, "parse_ais_" + str(ais_state.msgid) ) self.data = msg_struct() # Parse the message msg_func( ais_state, self.data ) # If this is a message 6 or 8 try to parse the binary message if ais_state.msgid in [6,8]: ais_msg = self.data self.binary_state = aisparser.binary_state() self.binary_state.dac = ais_msg.app_id >> 6 self.binary_state.fi = ais_msg.app_id & 0x3F self.binary_state.six_state = ais_msg.data # print "dac = %d" % (self.binary_state.dac) # print "fi = %d" % (ord(self.binary_state.fi)) if self.binary_state.dac in [366,316] and ord(self.binary_state.fi) in [1,2,32,]: # Looks like a St. Lawrence Seaway Message # print "St. Lawrence Seaway" self.seaway_spare = aisparser.get_6bit( self.binary_state.six_state, 2 ) self.seaway_msgid = aisparser.get_6bit( self.binary_state.six_state, 6 ) if (ord(self.binary_state.fi),self.seaway_msgid) in [(1,1),(1,2),(1,3),(1,6),(2,1),(2,2),(32,1)]: msg_struct = getattr( aisparser, "seaway%d_%d" % (ord(self.binary_state.fi),self.seaway_msgid)) msg_func = getattr( aisparser, "parse_seaway%d_%d" % (ord(self.binary_state.fi),self.seaway_msgid)) self.binary_data = msg_struct() msg_func( self.binary_state, self.binary_data) self.binary_type = "seaway" elif (ord(self.binary_state.fi),self.seaway_msgid) in [(1,4),(1,5),(2,3)]: msg_struct = getattr( aisparser, "pawss%d_%d" % (ord(self.binary_state.fi),self.seaway_msgid)) msg_func = getattr( aisparser, "parse_pawss%d_%d" % (ord(self.binary_state.fi),self.seaway_msgid)) self.binary_data = msg_struct() msg_func( self.binary_state, self.binary_data) self.binary_type = "seaway" elif self.binary_state.dac == 1 and ord(self.binary_state.fi) in [11,12,13,14,15,16,17]: # Looks like an IMO message msg_struct = getattr( aisparser, "imo%d_%d" % (self.binary_state.dac,ord(self.binary_state.fi))) msg_func = getattr( aisparser, "parse_seaway%d_%d" % (self.binary_state.dac,ord(self.binary_state.fi))) self.binary_data = msg_struct() msg_func( self.binary_state, self.binary_data) self.binary_type = "imo" except AttributeError: self.data = None raise
def LoadFile(self):
"""
Re-Assemble the data into full packets
"""
# Initialize the AIS Parser class
ais_state = aisparser.ais_state()
# Process the whole file
info = os.stat( self.filename )
dialog = wx.ProgressDialog("Loading %s" % (self.filename),
"Time remaining",
info[stat.ST_SIZE],
style=wx.PD_ELAPSED_TIME | wx.PD_REMAINING_TIME)
ais_file = open( self.filename, "r" )
old_pos = 0
while 1:
line = ais_file.readline().strip()
if not line:
break
pos = ais_file.tell()
if pos > old_pos + 4e3:
keepGoing = dialog.Update(pos)
old_pos = pos
result = aisparser.assemble_vdm( ais_state, line )
if result == 0:
ais_state.msgid = aisparser.get_6bit( ais_state.six_state, 6 )
ais_state.msg = AisMessage( ais_state )
if ais_state.msg.data:
self.ais_info.append( ais_state )
# Re-start the parser, creating a new ais_state object
ais_state = aisparser.ais_state()
ais_file.close()
dialog.Destroy()
def LoadFile(self):
"""
Re-Assemble the data into full packets
"""
# Initialize the AIS Parser class
ais_state = aisparser.ais_state()
# Process the whole file
info = os.stat(self.filename)
dialog = wx.ProgressDialog("Loading %s" % (self.filename),
"Time remaining",
info[stat.ST_SIZE],
style=wx.PD_ELAPSED_TIME
| wx.PD_REMAINING_TIME)
ais_file = open(self.filename, "r")
old_pos = 0
while 1:
line = ais_file.readline().strip()
if not line:
break
pos = ais_file.tell()
if pos > old_pos + 4e3:
keepGoing = dialog.Update(pos)
old_pos = pos
result = aisparser.assemble_vdm(ais_state, line)
if result == 0:
ais_state.msgid = aisparser.get_6bit(ais_state.six_state, 6)
ais_state.msg = AisMessage(ais_state)
if ais_state.msg.data:
self.ais_info.append(ais_state)
# Re-start the parser, creating a new ais_state object
ais_state = aisparser.ais_state()
ais_file.close()
dialog.Destroy()
# f.connect('192.168.2.70',1234)
# s = f.makefile('r')
#except:
# sys.stderr.write("Error connecting")
# raise
with open('log_ais_vhtm.log', 'r') as f:
s = f.readlines()
ais_state = aisparser.ais_state()
for p in s:
result = aisparser.assemble_vdm(ais_state, p)
# print "%s : %s" % (result, p)
if (result == 0):
ais_state.msgid = aisparser.get_6bit(ais_state.six_state, 6)
# print "msgid = %d" % (ais_state.msgid)
if ais_state.msgid == 1:
msg = aisparser.aismsg_1()
aisparser.parse_ais_1(ais_state, msg)
(status, lat_dd,
long_ddd) = aisparser.pos2ddd(msg.latitude, msg.longitude)
print "%s,%d,%s,%s" % (p[0:19], msg.userid, lat_dd, long_ddd)
# print "mmsi : %d" % (msg.userid)
# print "latitude : %d" % (msg.latitude)
# print "longitude: %d" % (msg.longitude)
# print "lat_dd : %s" % (lat_dd)
# print "long_ddd : %s" % (long_ddd)
# print "pos_acc : %d" % (ord(msg.pos_acc))
import aisparser
import fileinput
s=fileinput.input()
#with open('log_ais_web2day.log', 'r') as f:
# s=f.readlines()
ais_state = aisparser.ais_state()
for p in s:
result = aisparser.assemble_vdm( ais_state, p )
# print "%s : %s" % (result, p)
if( result == 0):
ais_state.msgid = aisparser.get_6bit( ais_state.six_state, 6 )
# print "msgid = %d" % (ais_state.msgid)
if ais_state.msgid == 1:
msg = aisparser.aismsg_1()
aisparser.parse_ais_1( ais_state, msg )
(status,lat_dd,long_ddd) = aisparser.pos2ddd(msg.latitude, msg.longitude)
# print "%s,%d,%s,%s" % (p[0:19],msg.userid,lat_dd,long_ddd)
# print "mmsi : %d" % (msg.userid)
# print "latitude : %d" % (msg.latitude)
# print "longitude: %d" % (msg.longitude)
# print "lat_dd : %s" % (lat_dd)
# print "long_ddd : %s" % (long_ddd)
# print "pos_acc : %d" % (ord(msg.pos_acc))
numfile += 1
text = ''
fid_in = open(fileName, 'r')
for line in fid_in:
line = line.split('\t')
# Если плохая строка
if line[0].find('!') != 0:
continue
# Строка хороша
result = aisparser.assemble_vdm(ais_state, line[0])
if result:
continue
else:
dict_msg = dict(clear_dict_msg)
dict_obj = dict(clear_dict_obj)
ais_state.msgid = aisparser.get_6bit(ais_state.six_state, 6)
dict_msg['msg_id'] = ais_state.msgid
dict_msg['channel'] = line[0].split(',')[4]
if ais_state.msgid == 1:
msg = aisparser.aismsg_1()
aisparser.parse_ais_1(ais_state, msg)
(status, lat_dd, long_ddd) = aisparser.pos2ddd(msg.latitude, msg.longitude)
dict_msg['mmsi'] = msg.userid
dict_msg['ship_lat'] = lat_dd
dict_msg['ship_long'] = long_ddd
# Rate of Turn
# Speed Over Ground
# Course over Ground
# True heading
elif ais_state.msgid == 2:
def __init__(self, ais_state):
# Find the corresponding message struct and function
try:
msg_struct = getattr(aisparser, "aismsg_" + str(ais_state.msgid))
msg_func = getattr(aisparser, "parse_ais_" + str(ais_state.msgid))
self.data = msg_struct()
# Parse the message
msg_func(ais_state, self.data)
# If this is a message 6 or 8 try to parse the binary message
if ais_state.msgid in [6, 8]:
ais_msg = self.data
self.binary_state = aisparser.binary_state()
self.binary_state.dac = ais_msg.app_id >> 6
self.binary_state.fi = ais_msg.app_id & 0x3F
self.binary_state.six_state = ais_msg.data
# print "dac = %d" % (self.binary_state.dac)
# print "fi = %d" % (ord(self.binary_state.fi))
if self.binary_state.dac in [366, 316] and ord(
self.binary_state.fi) in [
1,
2,
32,
]:
# Looks like a St. Lawrence Seaway Message
# print "St. Lawrence Seaway"
self.seaway_spare = aisparser.get_6bit(
self.binary_state.six_state, 2)
self.seaway_msgid = aisparser.get_6bit(
self.binary_state.six_state, 6)
if (ord(self.binary_state.fi),
self.seaway_msgid) in [(1, 1), (1, 2), (1, 3),
(1, 6), (2, 1), (2, 2),
(32, 1)]:
msg_struct = getattr(
aisparser, "seaway%d_%d" %
(ord(self.binary_state.fi), self.seaway_msgid))
msg_func = getattr(
aisparser, "parse_seaway%d_%d" %
(ord(self.binary_state.fi), self.seaway_msgid))
self.binary_data = msg_struct()
msg_func(self.binary_state, self.binary_data)
self.binary_type = "seaway"
elif (ord(self.binary_state.fi),
self.seaway_msgid) in [(1, 4), (1, 5), (2, 3)]:
msg_struct = getattr(
aisparser, "pawss%d_%d" %
(ord(self.binary_state.fi), self.seaway_msgid))
msg_func = getattr(
aisparser, "parse_pawss%d_%d" %
(ord(self.binary_state.fi), self.seaway_msgid))
self.binary_data = msg_struct()
msg_func(self.binary_state, self.binary_data)
self.binary_type = "seaway"
elif self.binary_state.dac == 1 and ord(
self.binary_state.fi) in [11, 12, 13, 14, 15, 16, 17]:
# Looks like an IMO message
msg_struct = getattr(
aisparser, "imo%d_%d" %
(self.binary_state.dac, ord(self.binary_state.fi)))
msg_func = getattr(
aisparser, "parse_seaway%d_%d" %
(self.binary_state.dac, ord(self.binary_state.fi)))
self.binary_data = msg_struct()
msg_func(self.binary_state, self.binary_data)
self.binary_type = "imo"
except AttributeError:
self.data = None
raise
# Retrieve the last ship info
#last_info = shelve.open( '/tmp/last_ship' )
last_info = {}
last_xml = time.time() - 50
done = 0
try:
while not done:
# Read AIS messages from the source
data = sf.readline()
# Parse the data
result = aisparser.assemble_vdm( ais_state, data )
if( result == 0):
ais_state.msgid = aisparser.get_6bit( ais_state.six_state, 6 )
if debug: print "msgid = %d" % (ais_state.msgid)
# Message 1: Position Update
if ais_state.msgid == 1:
msg = aisparser.aismsg_1()
aisparser.parse_ais_1( ais_state, msg )
msg.msgid = 1
if debug:
print "msgid : %d" % (ord(msg.msgid))
print "mmsi : %d" % (msg.userid)
print "latitude : %d" % (msg.latitude)
print "longitude: %d" % (msg.longitude)
# Update the ship info
