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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 6 | scream | 1 | Я -*- coding: utf-8 -*- |
| 2 | scream | 2 | """ PyCODC NMDC/ADC Client """ |
| 3 | from twisted.internet import protocol |
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| 4 | from twisted.protocols import basic |
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| 5 | from twisted.python import log |
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| 6 | |||
| 7 | import socket |
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| 8 | import re |
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| 9 | |||
| 4 | scream | 10 | class NMDC(basic.LineReceiver): |
| 2 | scream | 11 | """ |
| 12 | NMDC Protocol implementation |
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| 13 | """ |
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| 14 | |||
| 4 | scream | 15 | delimiter = "|" |
| 16 | |||
| 2 | scream | 17 | buffer = "" |
| 18 | encoding = None |
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| 19 | hostname = None |
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| 20 | |||
| 4 | scream | 21 | def lineReceived(self, line): |
| 22 | print "Line Received: %s" % line |
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| 6 | scream | 23 | self.parseLine(line) |
| 2 | scream | 24 | |
| 25 | def connectionLost(self, reason): |
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| 26 | print "Conlost: %s" %self |
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| 27 | |||
| 28 | def connectionMade(self): |
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| 29 | print "Made connect" |
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| 30 | if self.hostname is None: |
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| 31 | self.hostname = socket.getfqdn() |
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| 32 | |||
| 33 | def sendLine(self, line): |
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| 34 | _to_send = line.encode('utf-8') |
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| 35 | self.transport.write(_to_send) |
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| 36 | |||
| 37 | def parseLine(self, line): |
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| 38 | """ |
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| 39 | Returns NMDC command and params |
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| 40 | """ |
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| 41 | print "parse: %s" % line |
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| 42 | if line.startswith("$"): |
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| 43 | try: |
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| 44 | m = re.match("^\$(?P<command>[a-zA-Z]+)[ ](?P<params>.+$)", line) |
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| 45 | |||
| 46 | command = m.group("command") |
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| 47 | params = m.group("params") |
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| 6 | scream | 48 | self.handleCommand(command, params) |
| 2 | scream | 49 | except: |
| 50 | print "Exception: %s"% line |
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| 51 | |||
| 52 | def handleCommand(self, command, params): |
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| 53 | print "handleCommand: %s %s" % (command, params) |
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| 54 | method = getattr(self, "nmdc_%s" % command, None) |
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| 55 | try: |
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| 56 | if method is not None: |
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| 57 | method(params) |
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| 58 | else: self.nmdc_unknown(command, params) |
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| 59 | except: |
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| 60 | print "handleCommand except" |
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| 61 | log.deferr() |
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| 62 | pass |
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| 63 | |||
| 64 | def makeAnswer(self, command, params): |
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| 65 | if params is not "": |
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| 66 | answer = "$%s %s|" % (command, params) |
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| 67 | else: |
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| 68 | answer = "$%s|"% command |
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| 69 | |||
| 70 | self.sendLine(answer) |
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| 71 | print "makeAnswer: %s" % answer |
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| 72 | |||
| 6 | scream | 73 | def nmdc_rawline(self, line): |
| 74 | print "rawline: %s"% line |
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| 2 | scream | 75 | |
| 6 | scream | 76 | def nmdc_unknown(self, command): |
| 77 | print "nmdc_%s doesn't exist." % command |
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| 78 |