def find_links_with_content(self, data):
"""Find sc-links with specified content
@param data: Content data for search
@return: Returns list of sc-addrs of founded sc-links. If there are any error, then return None
"""
# send request
params = struct.pack('=I%ds' % len(data), len(data), data)
data = struct.pack('=BBII', sctpCommandType.SCTP_CMD_FIND_LINKS, 0, 0, len(params))
alldata = data + params
self.sock.send(alldata)
# recieve response
data = self.sock.recv(10)
cmdCode, cmdId, resCode, resSize = struct.unpack('=BIBI', data)
if resCode != sctpResultCode.SCTP_RESULT_OK or resSize < 4:
return None
res = []
data = self.sock.recv(resSize)
resCount = struct.unpack('=I', data[:4])[0]
for i in xrange(resCount):
addr = ScAddr(0, 0)
data = data[4:]
addr.seg, addr.offset = struct.unpack('=HH', data)
res.append(addr)
return res
def create_arc(self, arc_type, begin_addr, end_addr):
"""Create new arc in sc-memory with specified type and begin, end elements
@param arc_type: Type of sc-arc
@param begin_addr: sc-addr of begin arc element
@param end_addr: sc-addr of end arc element
@return: If sc-arc was created, then returns it sc-addr; otherwise return None
"""
# send request
params = struct.pack('=HHHHH', arc_type, begin_addr.seg, begin_addr.offset, end_addr.seg, end_addr.offset)
data = struct.pack('=BBII', sctpCommandType.SCTP_CMD_CREATE_ARC, 0, 0, len(params))
alldata = data + params
self.sock.send(alldata)
# recieve response
data = self.sock.recv(10)
cmdCode, cmdId, resCode, resSize = struct.unpack('=BIBI', data)
if resCode != sctpResultCode.SCTP_RESULT_OK:
return None
addr = ScAddr(0, 0)
data = self.sock.recv(4)
addr.seg, addr.offset = struct.unpack('=HH', data)
return addr
def scAddrs(request):
result = "[]"
if request.is_ajax():
sctp_client = newSctpClient()
# parse arguments
first = True
arg = None
arguments = []
idx = 0
while first or (arg is not None):
arg_str = u'%d_' % idx
arg = ScAddr.parse_from_string(request.GET.get(arg_str, None))
if arg is not None:
arguments.append(arg)
first = False
idx += 1
res = {}
for idtf in arguments:
addr = sctp_client.find_element_by_system_identifier(idtf)
if addr is not None:
res[idtf] = addr
result = json.dumps(res)
return HttpResponse(result, 'application/json')
def create_link(self):
"""Create new sc-link in memory
@return: If sc-link was created, then returns it sc-addr; otherwise return None
"""
# send request
data = struct.pack('=BBII', sctpCommandType.SCTP_CMD_CREATE_LINK, 0, 0, 0)
alldata = data
self.sock.send(alldata)
# recieve response
data = self.sock.recv(10)
cmdCode, cmdId, resCode, resSize = struct.unpack('=BIBI', data)
if resCode != sctpResultCode.SCTP_RESULT_OK:
return None
addr = ScAddr(0, 0)
data = self.sock.recv(4)
addr.seg, addr.offset = struct.unpack('=HH', data)
return addr
def find_element_by_system_identifier(self, idtf_data):
"""Find sc-element by it system identifier
@param idtf_data: Identifier data for search
@return: Returns sc-addrs of founded sc-element.
If there are any error or sc-element wasn't found, then return None
"""
# send request
params = struct.pack('=I%ds' % len(idtf_data), len(idtf_data), idtf_data)
data = struct.pack('=BBII', sctpCommandType.SCTP_CMD_FIND_ELEMENT_BY_SYSITDF, 0, 0, len(params))
alldata = data + params
self.sock.send(alldata)
# recieve response
data = self.sock.recv(10)
cmdCode, cmdId, resCode, resSize = struct.unpack('=BIBI', data)
if resCode != sctpResultCode.SCTP_RESULT_OK or resSize < 4:
return None
addr = ScAddr(0, 0)
data = self.sock.recv(4)
addr.seg, addr.offset = struct.unpack('=HH', data)
return addr
def create_node(self, el_type):
"""Create new sc-node in memory with specified type
@param el_type: Type of node that would be created
@return: If sc-node was created, then returns it sc-addr; otherwise return None
"""
# send request
params = struct.pack('=H', el_type)
data = struct.pack('=BBII', sctpCommandType.SCTP_CMD_CREATE_NODE, 0, 0, len(params))
alldata = data + params
self.sock.send(alldata)
# recieve response
data = self.sock.recv(10)
cmdCode, cmdId, resCode, resSize = struct.unpack('=BIBI', data)
if resCode != sctpResultCode.SCTP_RESULT_OK:
return None
addr = ScAddr(0, 0)
data = self.sock.recv(4)
addr.seg, addr.offset = struct.unpack('=HH', data)
return addr
def get_identifier(request):
result = None
if request.is_ajax():
lang_code = ScAddr.parse_from_string(request.GET.get(u'language', None))
if lang_code is None:
print "Invalid sc-addr of language"
return HttpResponse(None)
# get arguments
idx = 1
arguments = []
arg = ''
while arg is not None:
arg = request.GET.get(u'%d_' % idx, None)
if arg is not None:
arguments.append(arg)
idx += 1
sctp_client = newSctpClient()
keys = Keynodes(sctp_client)
keynode_ui_nrel_idtf_language_relation = keys[KeynodeSysIdentifiers.ui_nrel_idtf_language_relation]
# first of all we need to resolve language relation
lang_relation_keynode = sctp_client.iterate_elements(sctpIteratorType.SCTP_ITERATOR_5F_A_A_A_F,
lang_code,
ScElementType.sc_type_arc_common | ScElementType.sc_type_const,
ScElementType.sc_type_node | ScElementType.sc_type_const,
ScElementType.sc_type_arc_pos_const_perm,
keynode_ui_nrel_idtf_language_relation)
if lang_relation_keynode is None:
print "Can't resolve keynode for language '%s'" % str(lang_code)
return HttpResponse(None)
lang_relation_keynode = lang_relation_keynode[0][2]
result = {}
# get requested identifiers for arguments
for addr_str in arguments:
addr = ScAddr.parse_from_string(addr_str)
if addr is None:
print "Can't parse sc-addr from argument: %s" % addr_str
return HttpResponse(None)
identifier = sctp_client.iterate_elements(sctpIteratorType.SCTP_ITERATOR_5F_A_A_A_F,
addr,
ScElementType.sc_type_arc_common | ScElementType.sc_type_const,
ScElementType.sc_type_link,
ScElementType.sc_type_arc_pos_const_perm,
lang_relation_keynode)
idtf_value = None
if identifier is not None:
idtf_addr = identifier[0][2]
# get identifier value
idtf_value = sctp_client.get_link_content(idtf_addr)
idtf_value = idtf_value.decode('utf-8')
result[addr_str] = idtf_value
result = json.dumps(result)
return HttpResponse(result, 'application/json')
def doCommand(request):
result = "[]"
if request.is_ajax():
#result = u'[{"type": "node", "id": "1", "identifier": "node1"},' \
# u'{"type": "arc", "id": "2", "begin": "1", "end": "3"},' \
# u'{"type": "node", "id": "3", "identifier": "node2"}]'
sctp_client = newSctpClient()
cmd_addr = ScAddr.parse_from_string(request.GET.get(u'cmd', None))
output_addr = ScAddr.parse_from_string(request.GET.get(u'output', None))
# parse arguments
first = True
arg = None
arguments = []
idx = 0
while first or (arg is not None):
arg = ScAddr.parse_from_string(request.GET.get(u'%d_' % idx, None))
if arg is not None:
# check if sc-element exist
if sctp_client.check_element(arg):
arguments.append(arg)
else:
return HttpResponse(None, 'application/json')
first = False
idx += 1
if (len(arguments) > 0) and (cmd_addr is not None) and (output_addr is not None):
keys = Keynodes(sctp_client)
keynode_ui_rrel_commnad = keys[KeynodeSysIdentifiers.ui_rrel_commnad]
keynode_ui_rrel_command_arguments = keys[KeynodeSysIdentifiers.ui_rrel_command_arguments]
keynode_ui_nrel_command_result = keys[KeynodeSysIdentifiers.ui_nrel_command_result]
keynode_ui_user_command_question = keys[KeynodeSysIdentifiers.ui_user_command_question]
keynode_ui_command_generate_instance = keys[KeynodeSysIdentifiers.ui_command_generate_instance]
keynode_ui_command_initiated = keys[KeynodeSysIdentifiers.ui_command_initiated]
keynode_ui_command_finished = keys[KeynodeSysIdentifiers.ui_command_finished]
keynode_ui_nrel_command_result = keys[KeynodeSysIdentifiers.ui_nrel_command_result]
keynode_ui_user = keys[KeynodeSysIdentifiers.ui_user]
keynode_nrel_author = keys[KeynodeSysIdentifiers.nrel_author]
keynode_ui_nrel_user_answer_formats = keys[KeynodeSysIdentifiers.ui_nrel_user_answer_formats]
keynode_nrel_translation = keys[KeynodeSysIdentifiers.nrel_translation]
keynode_nrel_answer = keys[KeynodeSysIdentifiers.question_nrel_answer]
keynode_question_initiated = keys[KeynodeSysIdentifiers.question_initiated]
keynode_question = keys[KeynodeSysIdentifiers.question]
# create command in sc-memory
inst_cmd_addr = sctp_client.create_node(ScElementType.sc_type_node | ScElementType.sc_type_const)
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_ui_command_generate_instance,
inst_cmd_addr)
inst_cmd_arc = sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, inst_cmd_addr, cmd_addr)
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_ui_rrel_commnad, inst_cmd_arc)
# create arguments
args_addr = sctp_client.create_node(ScElementType.sc_type_node | ScElementType.sc_type_const)
args_arc = sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, inst_cmd_addr, args_addr)
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_ui_rrel_command_arguments,
args_arc)
idx = 1
for arg in arguments:
arg_arc = sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, args_addr, arg)
if arg_arc is None:
return HttpResponse(None, 'application/json')
idx_addr = sctp_client.find_element_by_system_identifier(str(u'rrel_%d' % idx))
if idx_addr is None:
return HttpResponse(None, 'application/json')
idx += 1
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, idx_addr, arg_arc)
# initialize command
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_ui_command_initiated,
inst_cmd_addr)
cmd_finished = checkCommandFinished(inst_cmd_addr, keynode_ui_command_finished, sctp_client)
while cmd_finished is None:
time.sleep(0.1)
cmd_finished = checkCommandFinished(inst_cmd_addr, keynode_ui_command_finished, sctp_client)
# get command result
cmd_result = sctp_client.iterate_elements(sctpIteratorType.SCTP_ITERATOR_5F_A_A_A_F,
inst_cmd_addr,
ScElementType.sc_type_arc_common | ScElementType.sc_type_const,
ScElementType.sc_type_node | ScElementType.sc_type_const,
ScElementType.sc_type_arc_pos_const_perm,
keynode_ui_nrel_command_result)
if cmd_result is None:
return HttpResponse(None, 'application/json')
cmd_result = cmd_result[0][2]
# @todo support all possible commands
# try to find question node
question = sctp_client.iterate_elements(sctpIteratorType.SCTP_ITERATOR_5F_A_A_A_F,
keynode_question,
ScElementType.sc_type_arc_pos_const_perm,
ScElementType.sc_type_node | ScElementType.sc_type_const,
ScElementType.sc_type_arc_pos_const_perm,
cmd_result)
if question is None:
return HttpResponse(None, 'application/json')
question = question[0][2]
# create author
user_node = sctp_client.create_node(ScElementType.sc_type_node | ScElementType.sc_type_const)
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_ui_user, user_node)
author_arc = sctp_client.create_arc(ScElementType.sc_type_arc_common | ScElementType.sc_type_const,
question, user_node)
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_nrel_author, author_arc)
# create output formats set
output_formats_node = sctp_client.create_node(ScElementType.sc_type_node | ScElementType.sc_type_const)
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, output_formats_node, output_addr)
format_arc = sctp_client.create_arc(ScElementType.sc_type_arc_common | ScElementType.sc_type_const,
question, output_formats_node)
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_ui_nrel_user_answer_formats,
format_arc)
# initiate question
sctp_client.create_arc(ScElementType.sc_type_arc_pos_const_perm, keynode_question_initiated, question)
# first of all we need to wait answer to this question
#print sctp_client.iterate_elements(sctpIteratorType.SCTP_ITERATOR_3F_A_A, keynode_question_initiated, 0, 0)
answer = findAnswer(question, keynode_nrel_answer, sctp_client)
while answer is None:
time.sleep(0.1)
answer = findAnswer(question, keynode_nrel_answer, sctp_client)
answer_addr = answer[0][2]
translation = findTranslation(answer_addr, keynode_nrel_translation, sctp_client)
while translation is None:
time.sleep(0.1)
translation = findTranslation(answer_addr, keynode_nrel_translation, sctp_client)
# get output string
translation_addr = translation[0][2]
result = sctp_client.get_link_content(translation_addr);
return HttpResponse(result, 'application/json')
def iterate_elements(self, iterator_type, *args):
"""Iterate element by specified template and return results
"""
params = None
params_count = None
if iterator_type == sctpIteratorType.SCTP_ITERATOR_3A_A_F:
params_count = 3
params = struct.pack('=BHHHH', iterator_type, args[0], args[1], args[2].seg, args[2].offset)
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_3F_A_A:
params_count = 3
params = struct.pack('=BHHHH', iterator_type, args[0].seg, args[0].offset, args[1], args[2])
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_3F_A_F:
params_count = 3
params = struct.pack('=BHHHHH', iterator_type, args[0].seg, args[0].offset, args[1], args[2].seg,
args[2].offset)
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_5_A_A_F_A_A:
params_count = 5
params = struct.pack('=BHHHHHH', iterator_type, args[0], args[1], args[2].seg, args[2].offset, args[3],
args[4])
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_5_A_A_F_A_F:
params_count = 5
params = struct.pack('=BHHHHHHH', iterator_type, args[0], args[1], args[2].seg, args[2].offset, args[3],
args[4].seg, args[4].offset)
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_5_F_A_A_A_A:
params_count = 5
params = struct.pack('=BHHHHHH', iterator_type, args[0].seg, args[0].offset, args[1], args[2], args[3],
args[4])
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_5_F_A_F_A_A:
params_count = 5
params = struct.pack('=BHHHHHHH', iterator_type, args[0].seg, args[0].offset, args[1], args[2].seg,
args[2].offset, args[3], args[4])
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_5_F_A_F_A_F:
params_count = 5
params = struct.pack('=BHHHHHHHH', iterator_type, args[0].seg, args[0].offset, args[1], args[2].seg,
args[2].offset, args[3], args[4].seg, args[4].offset)
elif iterator_type == sctpIteratorType.SCTP_ITERATOR_5F_A_A_A_F:
params_count = 5
params = struct.pack('=BHHHHHHH', iterator_type, args[0].seg, args[0].offset, args[1], args[2], args[3],
args[4].seg, args[4].offset)
params_len = len(params)
# send request
data = struct.pack('=BBII', sctpCommandType.SCTP_CMD_ITERATE_ELEMENTS, 0, 0, params_len)
alldata = data + params
self.sock.send(alldata)
# recieve response
data = self.sock.recv(10)
cmdCode, cmdId, resCode, resSize = struct.unpack('=BIBI', data)
if resCode != sctpResultCode.SCTP_RESULT_OK or resSize == 0:
return None
res_count_data = self.sock.recv(4)
res_count = struct.unpack('=I', res_count_data)[0]
if res_count == 0:
return None
results = []
for idx in xrange(res_count):
result_item = []
for j in xrange(params_count):
addr_data = self.sock.recv(4)
addr = ScAddr(0, 0)
addr.seg, addr.offset = struct.unpack('=HH', addr_data)
result_item.append(addr)
results.append(result_item)
return results
