def parseTLV(self,data):
try:
Msg = "parseTLV Init "
PCA_GenLib.WriteLog(Msg,9)
source = data
tlv_desc = 'na'
tlv_type = 'na'
name = 'na'
number_of_tlv = 0
tag_desc = ""
#Msg = "MAP parseTLV data =\n%s" % PCA_GenLib.HexDump(source)
#PCA_GenLib.WriteLog(Msg,0)
tag = ""
while len(source) > 0:
number_of_tlv = number_of_tlv + 1
if number_of_tlv > 100:
Msg = "number of TLV > 100 "
PCA_GenLib.WriteLog(Msg,0)
break
self.tag_index = self.tag_index + 1
name = "Tag"
attrs = source[0]
tag_desc = "na"
try:
#content = "%s:%s" % (PCA_TCAPParameters.Tag_Desc[attrs],PCA_GenLib.getHexString(attrs))
if self.tcap_hearder_get == 0:
self.tcap_hearder_get = 1
tag_desc = PCA_TCAPParameters.Tag_Header_Desc[attrs]
else:
tag_desc = PCA_TCAPParameters.Tag_Desc[attrs]
#tag_desc = PCA_TCAPParameters.Tag_Desc[attrs]
Msg = "tag_desc = <%s>" % tag_desc
PCA_GenLib.WriteLog(Msg,3)
content = tag_desc
except:
#content = "undef:%s" % PCA_GenLib.getHexString(attrs)
content = "undef:%s" % PCA_GenLib.getHexString(attrs)
#Msg = "PCA DEBUG error : <%s>,<%s> content = <%s>" % (sys.exc_type,sys.exc_value,content)
#PCA_GenLib.WriteLog(Msg,0)
#tag = content
##tag = "%s:%s" % (content,PCA_GenLib.getHexString(attrs))
tag = "%s" % content
#self.set_handler(name,chr(0x00),content)
self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
tag_class = ord(attrs) & 0xc0
tag_class = tag_class >> 6
Tag_Type = 'Primitive'
if (ord(attrs) & 0x20):
attrs = source[0:2]
content = PCA_GenLib.getHexString(attrs)
Tag_Type = 'Constructor'
else:
content = ord(attrs)
Tag_Type = 'Primitive'
name = "tag type"
content = Tag_Type
#self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
# name = "%s form" % tag
#self.set_handler(name,chr(0x00),Tag_Type)
#name = "%s-%s" % (name,PCA_TCAPParameters.tag_class[tag_class])
#if Tag_Type == 'Primitive':
# attrs = struct.pack("!b",ord(attrs) & 0x1f)
#name = "%s %s" % (tag,tag_index)
#self.set_handler(name,attrs,content)
#self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
Tag_form = "Extended format"
if (ord(source[0]) & 0x1f) == 0x1f:
Tag_form = "Extended format"
source = source[2:]
#source = source[1:]
else:
Tag_form = "One octet format"
source = source[1:]
name = "tag form"
content = Tag_form
#self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
name = "length"
name = "%s length" % tag
attrs = source[0]
content = ord(attrs)
tag_length_form = "short"
if content & 0x80:
tag_length_form = "long"
long_tag_length = chr(content & 0x7F) + source[1]
content = struct.unpack("!H",long_tag_length)[0]
tag_length = content
#tag_length = struct.unpack("!B"
else:
tag_length_form = "short"
content = struct.unpack("!B",attrs)[0]
tag_length = content
#self.set_handler(name,attrs,content)
name = "%s %s" % (tag_length_form,name)
self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
if tag_length_form == "short":
source = source[1:]
else:
source = source[2:]
name = "value"
name = "%s value" % tag
attrs = source[0:tag_length]
if tag_desc == "oid":
try:
Msg = "oid debug =\n%s" % PCA_GenLib.HexDump(attrs)
PCA_GenLib.WriteLog(Msg,3)
content = PCA_GenLib.getOctString(attrs)
self.app_context = PCA_TCAPParameters.app_context[content]
Msg = "app_context = %s" % self.app_context
PCA_GenLib.WriteLog(Msg,3)
self.DebugStr = "%s,<application>=<%s>" % (self.DebugStr,self.app_context)
content = self.app_context
tag = 'ap_context_name'
except:
Msg = "id-as-dialog %s" % PCA_GenLib.getOctString(attrs)
PCA_GenLib.WriteLog(Msg,2)
content = "id-as-dialog %s" % PCA_GenLib.getOctString(attrs)
elif tag_desc == "tcap_begin":
self.Is_TCAP_begin = 1
content = PCA_GenLib.getHexString(attrs)
elif tag_desc == "tcap_end":
self.Is_TCAP_begin = 0
content = PCA_GenLib.getHexString(attrs)
elif tag_desc == "tcap_continue":
self.Is_TCAP_begin = 2
content = PCA_GenLib.getHexString(attrs)
self.set_handler(tag_desc,attrs,content)
#Msg = "PCA DEBUG tcap_continue "
#PCA_GenLib.WriteLog(Msg,1)
self.app_context = "shortMsgMT_Relay_v3_continue"
self.set_handler("ap_context_name",self.app_context,self.app_context)
else:
content = PCA_GenLib.getHexString(attrs)
#Msg = "PCA DEBUG tag_desc=<%s>,content=<%s>" % (tag_desc,content)
#PCA_GenLib.WriteLog(Msg,1)
if Tag_Type == 'Constructor':
if tag_desc == "component_portion":
Msg = "GSM 0340 layer , not parsing now"
PCA_GenLib.WriteLog(Msg,3)
self.set_handler("map_message",chr(0x00),attrs)
####################################################
# Parsing MAP
####################################################
#Msg = "MAP application data =<\n%s\n>" % PCA_GenLib.HexDump(attrs)
#PCA_GenLib.WriteLog(Msg,3)
else:
self.parseTLV(attrs)
#if tag_desc == "tcap_continue":
# self.set_handler(tag_desc,attrs,content)
#Msg = "PCA DEBUG Possible MT-FSM-Req tacp continue .... "
#PCA_GenLib.WriteLog(Msg,1)
#else:
self.set_handler(tag,attrs,content)
else:
self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
self.set_handler(tag,attrs,content)
try:
source = source[tag_length:]
except IndexError:
Msg = "parseTLV index error : <%s>,<%s>,name=<%s> " % (sys.exc_type,sys.exc_value,name)
PCA_GenLib.WriteLog(Msg,0)
break
Msg = "parseTLV Ok "
PCA_GenLib.WriteLog(Msg,9)
except:
Msg = "parseTLV error : <%s>,<%s>,name=<%s> " % (sys.exc_type,sys.exc_value,name)
PCA_GenLib.WriteLog(Msg,0)
def parseTLV(self, data):
try:
Msg = "parseTLV Init "
PCA_GenLib.WriteLog(Msg, 9)
source = data
tlv_desc = 'na'
tlv_type = 'na'
name = 'na'
number_of_tlv = 0
#Msg = "MAP parseTLV data =\n%s" % PCA_GenLib.HexDump(source)
#PCA_GenLib.WriteLog(Msg,0)
tag = ""
while len(source) > 0:
number_of_tlv = number_of_tlv + 1
if number_of_tlv > 100:
Msg = "number of TLV > 100 "
PCA_GenLib.WriteLog(Msg, 0)
break
self.tag_index = self.tag_index + 1
name = "Tag"
attrs = source[0]
tag_desc = "na"
try:
#content = "%s:%s" % (PCA_TCAPParameters.Tag_Desc[attrs],PCA_GenLib.getHexString(attrs))
tag_desc = PCA_TCAPParameters.Tag_Desc[attrs]
content = tag_desc
except:
#content = "undef:%s" % PCA_GenLib.getHexString(attrs)
content = "undef:%s" % PCA_GenLib.getHexString(attrs)
#tag = content
##tag = "%s:%s" % (content,PCA_GenLib.getHexString(attrs))
tag = "%s" % content
#self.set_handler(name,chr(0x00),content)
self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr, name, content)
tag_class = ord(attrs) & 0xc0
tag_class = tag_class >> 6
Tag_Type = 'Primitive'
if (ord(attrs) & 0x20):
attrs = source[0:2]
content = PCA_GenLib.getHexString(attrs)
Tag_Type = 'Constructor'
else:
content = ord(attrs)
Tag_Type = 'Primitive'
name = "tag type"
content = Tag_Type
#self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
# name = "%s form" % tag
#self.set_handler(name,chr(0x00),Tag_Type)
#name = "%s-%s" % (name,PCA_TCAPParameters.tag_class[tag_class])
#if Tag_Type == 'Primitive':
# attrs = struct.pack("!b",ord(attrs) & 0x1f)
#name = "%s %s" % (tag,tag_index)
#self.set_handler(name,attrs,content)
#self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
Tag_form = "Extended format"
if (ord(source[0]) & 0x1f) == 0x1f:
Tag_form = "Extended format"
source = source[2:]
#source = source[1:]
else:
Tag_form = "One octet format"
source = source[1:]
name = "tag form"
content = Tag_form
#self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr,name,content)
name = "length"
name = "%s length" % tag
attrs = source[0]
content = ord(attrs)
tag_length_form = "short"
if content & 0x80:
tag_length_form = "long"
long_tag_length = chr(content & 0x7F) + source[1]
content = struct.unpack("!H", long_tag_length)[0]
tag_length = content
#tag_length = struct.unpack("!B"
else:
tag_length_form = "short"
content = struct.unpack("!B", attrs)[0]
tag_length = content
#self.set_handler(name,attrs,content)
name = "%s %s" % (tag_length_form, name)
self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr, name, content)
if tag_length_form == "short":
source = source[1:]
else:
source = source[2:]
name = "value"
name = "%s value" % tag
attrs = source[0:tag_length]
if tag_desc == "oid":
try:
content = PCA_GenLib.getOctString(attrs)
self.app_context = PCA_TCAPParameters.app_context[
content]
Msg = "app_context = %s" % self.app_context
PCA_GenLib.WriteLog(Msg, 3)
self.DebugStr = "%s,<application>=<%s>" % (
self.DebugStr, self.app_context)
content = self.app_context
except:
Msg = "undef ctx %s" % PCA_GenLib.getOctString(attrs)
PCA_GenLib.WriteLog(Msg, 3)
content = "undef ctx %s" % PCA_GenLib.getOctString(
attrs)
elif tag_desc == "tcap_begin":
self.Is_TCAP_begin = 1
content = PCA_GenLib.getHexString(attrs)
elif tag_desc == "tcap_end":
self.Is_TCAP_begin = 0
content = PCA_GenLib.getHexString(attrs)
else:
content = PCA_GenLib.getHexString(attrs)
if Tag_Type == 'Constructor':
if tag_desc == "component_portion":
Msg = "GSM 0340 layer , not parsing now"
PCA_GenLib.WriteLog(Msg, 3)
####################################################
# Parsing MAP
####################################################
Msg = "MAP application data =<\n%s\n>" % PCA_GenLib.HexDump(
attrs)
PCA_GenLib.WriteLog(Msg, 3)
dll_file_name = self.app_context
Msg = "dll_file_name = <%s>" % dll_file_name
PCA_GenLib.WriteLog(Msg, 3)
#dll_file_name = "PCA_MAPParser"
Script_File = PCA_DLL.DLL(dll_file_name)
factory_function = "Parser"
factory_component = Script_File.symbol(
factory_function)
parser = factory_component()
Script_File = PCA_DLL.DLL(dll_file_name)
factory_function = "Handler"
factory_component = Script_File.symbol(
factory_function)
handler = factory_component()
parser.setContentHandler(handler)
parser.parse(attrs, self.Is_TCAP_begin,
self.app_context)
response_message = handler.getHandlerResponse()
self.set_handler('map_msg_dict', chr(0x00),
response_message)
response_ServerID = handler.getTID()
response_DebugStr = handler.getDebugStr()
self.DebugStr = "%s,<MAP MSG>=%s" % (self.DebugStr,
response_DebugStr)
else:
self.parseTLV(attrs)
self.set_handler(tag, attrs, content)
else:
self.DebugStr = "%s,<%s>=<%s>" % (self.DebugStr, name,
content)
self.set_handler(tag, attrs, content)
try:
source = source[tag_length:]
except IndexError:
Msg = "parseTLV index error : <%s>,<%s>,name=<%s> " % (
sys.exc_type, sys.exc_value, name)
PCA_GenLib.WriteLog(Msg, 0)
break
Msg = "parseTLV Ok "
PCA_GenLib.WriteLog(Msg, 9)
except:
Msg = "parseTLV error : <%s>,<%s>,name=<%s> " % (
sys.exc_type, sys.exc_value, name)
PCA_GenLib.WriteLog(Msg, 0)