def setup(self):
"""
input output
Program ---------> pyGDB -----------> SEGGER GDB -------> Device
"""
# get segger gdb
self._segger = GdbServer('/opt/SEGGER/JLink_Linux_V443c') #, printter=self.print_segger)
#sleep(3)
# get our gdb server
self._output = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self._output.connect(self._segger.get_gdb_host())
self._input = self.request
# SWO?
if self._enable_swo:
# send the magic
self._output.setblocking(1)
self._input.setblocking(1)
self._output.sendall(
bytes(
self._segger.swoStart(GdbServer.TRANSPORT_SWD, SWO_PROTO, SWO_SPEED), 'ASCII'
)
)
self._output.recv(len(self._segger.SWO_REPLY))
self.print_gdb('Sent maigc and burnt reply')
# start SWO reciver
self._swo = SwoServer(self._segger.get_swv_host(), printter=self.print_swo)
# clean up the sockets
self._input.setblocking(0)
self._output.setblocking(0)
def setup(self):
"""
input output
Program ---------> pyGDB -----------> SEGGER GDB -------> Device
"""
# get segger gdb
self._segger = GdbServer("/opt/SEGGER/JLink_Linux_V443c") # , printter=self.print_segger)
# sleep(3)
# get our gdb server
self._output = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self._output.connect(self._segger.get_gdb_host())
self._input = self.request
# SWO?
if self._enable_swo:
# send the magic
self._output.setblocking(1)
self._input.setblocking(1)
self._output.sendall(bytes(self._segger.swoStart(GdbServer.TRANSPORT_SWD, SWO_PROTO, SWO_SPEED), "ASCII"))
self._output.recv(len(self._segger.SWO_REPLY))
self.print_gdb("Sent maigc and burnt reply")
# start SWO reciver
self._swo = SwoServer(self._segger.get_swv_host(), printter=self.print_swo)
# clean up the sockets
self._input.setblocking(0)
self._output.setblocking(0)
class GdbProxyHandler(socketserver.BaseRequestHandler):
"""
The RequestHandler class for our server.
It is instantiated once per connection to the server, and must
override the handle() method to implement communication to the
client.
"""
currentHandle = None
def __init__(self, request, client_address, server, enable_swo=False):
self._input = None
self._output = None
self._run = True
self._segger = None
self._enable_swo = enable_swo
self._finished = False
self._plock = threading.Lock()
# make sure there is only one connection
if GdbProxyHandler.currentHandle != None:
self.print_gdb('New connection killing old connection ...')
GdbProxyHandler.currentHandle.close(wait=True)
self.print_gdb(' OK\n')
GdbProxyHandler.currentHandle = self
self.print_gdb('New connection')
socketserver.BaseRequestHandler.__init__(self, request, client_address, server)
def print_gdb(self, to_print):
self._print_all(to_print, 0)
def print_segger(self, to_print):
self._print_all(to_print, 40)
def print_swo(self, to_print):
self._print_all(to_print, 80)
def _print_all(self, to_print, padding):
self._plock.acquire()
for line in to_print.split('\n'):
print( (' '*padding) + line )
self._plock.release()
def setup(self):
"""
input output
Program ---------> pyGDB -----------> SEGGER GDB -------> Device
"""
# get segger gdb
self._segger = GdbServer('/opt/SEGGER/JLink_Linux_V443c') #, printter=self.print_segger)
#sleep(3)
# get our gdb server
self._output = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self._output.connect(self._segger.get_gdb_host())
self._input = self.request
# SWO?
if self._enable_swo:
# send the magic
self._output.setblocking(1)
self._input.setblocking(1)
self._output.sendall(
bytes(
self._segger.swoStart(GdbServer.TRANSPORT_SWD, SWO_PROTO, SWO_SPEED), 'ASCII'
)
)
self._output.recv(len(self._segger.SWO_REPLY))
self.print_gdb('Sent maigc and burnt reply')
# start SWO reciver
self._swo = SwoServer(self._segger.get_swv_host(), printter=self.print_swo)
# clean up the sockets
self._input.setblocking(0)
self._output.setblocking(0)
def _read_input(self, size=4096):
try:
return self._input.recv(size)
except Exception as e:
if e.args[0] != 11:
raise e
else:
return bytes()
def _read_output(self, size=4096):
try:
return self._output.recv(size)
except Exception as e:
if e.args[0] != 11:
raise e
else:
return bytes()
def handle(self):
last5inbuf = bytes()
inbuf = bytes()
outbuf = bytes()
while self._run: # and self._segger.is_alive():
# read the input
buf = self._read_input()
inbuf += buf
last5inbuf += buf
last5inbuf = last5inbuf[-5:]
sbuf = str(buf, 'ASCII', 'replace')
while len(sbuf) > 0:
if len(sbuf) > 40:
self.print_gdb('>: ' + sbuf[:36] + ' ...')
sbuf = sbuf[36:]
else:
self.print_gdb('>: ' + sbuf)
sbuf = ''
# read the output
outbuf += self._read_output()
sbuf = str(buf, 'ASCII', 'replace')
while len(sbuf) > 0:
if len(sbuf) > 40:
self.print_gdb('>: ' + sbuf[:36] + ' ...')
sbuf = sbuf[36:]
else:
self.print_gdb('>: ' + sbuf)
sbuf = ''
# send the input
sent = self._input.send(outbuf)
outbuf = outbuf[sent:]
# send the output
sent = self._output.send(inbuf)
inbuf = inbuf[sent:]
# find out if the session has ended
if last5inbuf == bytes('$k#6b', 'ASCII'):
self.print_gdb('found kill request')
sleep(1)
try:
outbuf += self._output.recv(4096)
except Exception as e:
pass
try:
sent = self._input.send(outbuf)
except Exception as e:
pass
self._run = False
if self._output != None and last5inbuf != bytes('$k#6b', 'ASCII'):
self.print_gdb('Trying to safely close by detaching ...')
self._output.send(bytes(self._formGdbMsg('D'), 'ASCII'))
# TODO
@staticmethod
def _formGdbMsg(msg):
msg = functools.reduce(lambda x, y: x+y, map(lambda x: x in '#$}' and '}'+chr(ord(x)^0x20) or x, msg))
chksum =sum(map(ord, msg))%256
return '${msg}#{chksum:02X}'.format(msg=msg, chksum=chksum)
def close(self, wait=False):
self._run = False
if not wait:
return
while not self._finished:
pass
def finish(self):
if self._input != None:
self._input.close()
self._input = None
if self._output != None:
self._output.close()
self._output = None
if self._swo != None:
self._swo.stop()
self._swo = None
if self.currentHandle != None:
self.currentHandle = None
if self._segger != None:
self._segger.stop()
self._segger = None
print('Connection closed')
gc.collect() # help the gc
print('Waiting for other end ...')
sleep(1)
print('.. OK')
self._finished = True
def __del__(self):
if GdbProxyHandler.currentHandle == self:
GdbProxyHandler.currentHandle = None
class GdbProxyHandler(socketserver.BaseRequestHandler):
"""
The RequestHandler class for our server.
It is instantiated once per connection to the server, and must
override the handle() method to implement communication to the
client.
"""
currentHandle = None
def __init__(self, request, client_address, server, enable_swo=False):
self._input = None
self._output = None
self._run = True
self._segger = None
self._enable_swo = enable_swo
self._finished = False
self._plock = threading.Lock()
# make sure there is only one connection
if GdbProxyHandler.currentHandle != None:
self.print_gdb("New connection killing old connection ...")
GdbProxyHandler.currentHandle.close(wait=True)
self.print_gdb(" OK\n")
GdbProxyHandler.currentHandle = self
self.print_gdb("New connection")
socketserver.BaseRequestHandler.__init__(self, request, client_address, server)
def print_gdb(self, to_print):
self._print_all(to_print, 0)
def print_segger(self, to_print):
self._print_all(to_print, 40)
def print_swo(self, to_print):
self._print_all(to_print, 80)
def _print_all(self, to_print, padding):
self._plock.acquire()
for line in to_print.split("\n"):
print((" " * padding) + line)
self._plock.release()
def setup(self):
"""
input output
Program ---------> pyGDB -----------> SEGGER GDB -------> Device
"""
# get segger gdb
self._segger = GdbServer("/opt/SEGGER/JLink_Linux_V443c") # , printter=self.print_segger)
# sleep(3)
# get our gdb server
self._output = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self._output.connect(self._segger.get_gdb_host())
self._input = self.request
# SWO?
if self._enable_swo:
# send the magic
self._output.setblocking(1)
self._input.setblocking(1)
self._output.sendall(bytes(self._segger.swoStart(GdbServer.TRANSPORT_SWD, SWO_PROTO, SWO_SPEED), "ASCII"))
self._output.recv(len(self._segger.SWO_REPLY))
self.print_gdb("Sent maigc and burnt reply")
# start SWO reciver
self._swo = SwoServer(self._segger.get_swv_host(), printter=self.print_swo)
# clean up the sockets
self._input.setblocking(0)
self._output.setblocking(0)
def _read_input(self, size=4096):
try:
return self._input.recv(size)
except Exception as e:
if e.args[0] != 11:
raise e
else:
return bytes()
def _read_output(self, size=4096):
try:
return self._output.recv(size)
except Exception as e:
if e.args[0] != 11:
raise e
else:
return bytes()
def handle(self):
last5inbuf = bytes()
inbuf = bytes()
outbuf = bytes()
while self._run: # and self._segger.is_alive():
# read the input
buf = self._read_input()
inbuf += buf
last5inbuf += buf
last5inbuf = last5inbuf[-5:]
sbuf = str(buf, "ASCII", "replace")
while len(sbuf) > 0:
if len(sbuf) > 40:
self.print_gdb(">: " + sbuf[:36] + " ...")
sbuf = sbuf[36:]
else:
self.print_gdb(">: " + sbuf)
sbuf = ""
# read the output
outbuf += self._read_output()
sbuf = str(buf, "ASCII", "replace")
while len(sbuf) > 0:
if len(sbuf) > 40:
self.print_gdb(">: " + sbuf[:36] + " ...")
sbuf = sbuf[36:]
else:
self.print_gdb(">: " + sbuf)
sbuf = ""
# send the input
sent = self._input.send(outbuf)
outbuf = outbuf[sent:]
# send the output
sent = self._output.send(inbuf)
inbuf = inbuf[sent:]
# find out if the session has ended
if last5inbuf == bytes("$k#6b", "ASCII"):
self.print_gdb("found kill request")
sleep(1)
try:
outbuf += self._output.recv(4096)
except Exception as e:
pass
try:
sent = self._input.send(outbuf)
except Exception as e:
pass
self._run = False
if self._output != None and last5inbuf != bytes("$k#6b", "ASCII"):
self.print_gdb("Trying to safely close by detaching ...")
self._output.send(bytes(self._formGdbMsg("D"), "ASCII"))
# TODO
@staticmethod
def _formGdbMsg(msg):
msg = functools.reduce(lambda x, y: x + y, map(lambda x: x in "#$}" and "}" + chr(ord(x) ^ 0x20) or x, msg))
chksum = sum(map(ord, msg)) % 256
return "${msg}#{chksum:02X}".format(msg=msg, chksum=chksum)
def close(self, wait=False):
self._run = False
if not wait:
return
while not self._finished:
pass
def finish(self):
if self._input != None:
self._input.close()
self._input = None
if self._output != None:
self._output.close()
self._output = None
if self._swo != None:
self._swo.stop()
self._swo = None
if self.currentHandle != None:
self.currentHandle = None
if self._segger != None:
self._segger.stop()
self._segger = None
print("Connection closed")
gc.collect() # help the gc
print("Waiting for other end ...")
sleep(1)
print(".. OK")
self._finished = True
def __del__(self):
if GdbProxyHandler.currentHandle == self:
GdbProxyHandler.currentHandle = None
