1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gmyth-stream/server/0.1/plugins/comm/tcp.py	Wed May 16 13:35:11 2007 +0100
     1.3 @@ -0,0 +1,79 @@
     1.4 +import lib
     1.5 +import time
     1.6 +import socket
     1.7 +import logging as log
     1.8 +
     1.9 +class Server(object):
    1.10 +
    1.11 +    def __init__(self, config):
    1.12 +        self.host = '0.0.0.0'
    1.13 +        self.port = int(config.get("Comm", "port"))
    1.14 +        self.finish = 0
    1.15 +
    1.16 +        addr = (self.host, self.port)
    1.17 +        log.debug("Setup TCP server at %s:%s" % addr)
    1.18 +        self.tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    1.19 +        self.tcp.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    1.20 +        self.tcp.bind(addr)
    1.21 +        self.tcp.listen(1)
    1.22 +        log.info("TCP server listening at %s:%s (sock=%d)" %
    1.23 +                 (self.host, self.port, self.tcp.fileno()))
    1.24 +
    1.25 +    def getMsg(self):
    1.26 +        bytes = []
    1.27 +        try:
    1.28 +            while 1:
    1.29 +                c = self.con.recv(1)
    1.30 +                bytes.append(c)
    1.31 +                if not c or c == "\n":
    1.32 +                    break
    1.33 +        except Exception, e:
    1.34 +            log.error("Error reading message from client: %s" % e)
    1.35 +            return None
    1.36 +
    1.37 +        if not bytes or bytes[-1] != "\n":
    1.38 +            msg = "".join(bytes)
    1.39 +            log.error("Invalid message from client: %r" % msg)
    1.40 +            return None
    1.41 +
    1.42 +        # remove \n and \r
    1.43 +        bytes.pop()
    1.44 +        if bytes[-1] == "\r":
    1.45 +            bytes.pop()
    1.46 +
    1.47 +        msg = "".join(bytes)
    1.48 +        log.debug("RECV: %r" % msg)
    1.49 +        return msg
    1.50 +
    1.51 +    def sendMsg(self, msg):
    1.52 +        log.debug("SEND: %r" % msg)
    1.53 +        self.con.send(msg + "\n")
    1.54 +
    1.55 +    def sendOk(self, payload=None):
    1.56 +        self.sendMsg("OK %d" % bool(payload is not None))
    1.57 +        if payload is not None:
    1.58 +            if not isinstance(payload, (tuple, list)):
    1.59 +                payload = (payload,)
    1.60 +            for e in payload:
    1.61 +                self.sendMsg("+%s" % e)
    1.62 +            self.sendMsg(".")
    1.63 +
    1.64 +    def sendNotOk(self, reason=""):
    1.65 +        self.sendMsg("NOTOK %r" % reason)
    1.66 +
    1.67 +    def getRequest(self):
    1.68 +        log.debug("Wait for client request at %s:%s (sock=%d)" %
    1.69 +                  (self.host, self.port, self.tcp.fileno()))
    1.70 +        self.con, self.client = self.tcp.accept()
    1.71 +        log.info("Incoming request from %s (con=%s)" %
    1.72 +                 (self.client, self.con.fileno()))
    1.73 +        return (self.con, self.client, self.port)
    1.74 +
    1.75 +    def disconnect_client(self, connection):
    1.76 +        log.info("Closed request from %s (con=%s)" %
    1.77 +                 (self.client, self.con.fileno()))
    1.78 +        connection.close()
    1.79 +
    1.80 +    def stop(self):
    1.81 +        log.debug("Stop")
    1.82 +        self.tcp.close()