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@@ -12,6 +12,7 @@ import binascii
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DataHeader = np.dtype({'names': ['protocol', 'len', 'cmd'], 'formats': ['u1', 'u4', 'u1']}, align=False)
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UserInfo = np.dtype({'names': ['userName', 'password'], 'formats': ['|S260', '|S260']}, align=False)
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+
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class BaseClient(object):
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__metaclass__ = abc.ABCMeta
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@@ -106,8 +107,103 @@ class BaseClient(object):
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print "BaseClient=> socket disconnect error:", e
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+class SATClient(object):
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+
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+ __metaclass__ = abc.ABCMeta
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+
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+ def __init__(self):
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+ '''通信sock'''
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+ self.sock = None
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+ '''通信端口号'''
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+ self.port = 5588
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+ '''通信状态'''
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+ self.constate = False
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+
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+ def __def__(self):
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+ self.disconnect()
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+
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+ '''连接服务器'''
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+
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+ def connect(self):
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+ try:
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+ self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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+ self.sock.connect(('127.0.0.1', self.port)) # 没有返回值;
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+ self.sock.sendall("2222")
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+ self.constate = True
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+ except Exception, e:
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+ print "BaseClient=> socket connect error:", e, self.port
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+ self.constate = False
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+
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+ return self.constate
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+
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+ # 发送消息;
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+ def sendmsg(self):
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+ '''是否连接'''
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+ if self.constate is False:
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+ if self.connect() is False:
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+ return None
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+
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+ '''拼装要发送的数据包'''
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+ userinfo = np.array([("superAdmin", "123456")], dtype=UserInfo)
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+
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+ '''发送请求数据'''
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+ try:
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+ self.sock.settimeout(5)
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+ phead = np.array([(0xAA, userinfo.itemsize + np.array([(0xAA, 0, 0x01)], dtype=DataHeader).itemsize, 0x00)],
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+ dtype=DataHeader)
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+ '''一次性发送完整包'''
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+ # self.sock.sendall(bytearray(phead.tobytes() + bytes(msg_json)))
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+ '''分包发送:头、体'''
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+ self.sock.sendall(phead.tobytes())
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+ self.sock.sendall(userinfo.tobytes())
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+ self.sock.settimeout(None)
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+ except Exception, e:
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+ print "BaseClient=> send Error:", e
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+ self.disconnect()
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+ self.connect()
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+ return None
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+
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+ '''接收返回数据'''
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+ try:
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+ # 等待数据返回;(串口若请求失败,超时值应该设置在3秒以上)
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+ self.sock.settimeout(10)
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+ data = bytes(self.sock.recv(1024 * 8))
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+ print "recv:" + binascii.hexlify(data)
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+ self.sock.settimeout(None)
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+
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+ phead = data[0: np.array([(0xAA, 0, 0x01)], dtype=DataHeader).itemsize]
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+ respone = data[np.array([(0xAA, 0, 0x01)], dtype=DataHeader).itemsize:]
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+
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+ '''
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+ 注意:坑!
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+ respone此时是16进制字符 '\x01',Python的字符与C++的不一样,字符就是字符;
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+ 要将16进制字符转成整型,使用ord函数
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+ '''
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+ print "respone:" + binascii.hexlify(respone), ord(respone)
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+ '''小端<I, 大端>I, 网络端 !'''
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+ protocol, len, cmd = struct.unpack('<BIB', phead)
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+ loginresult = ord(struct.unpack('<c', respone)[0])
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+ '''返回头是否有效'''
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+ if protocol != 0xAA and len != data.__len__():
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+ return None
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+
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+ return loginresult
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+ except Exception, e:
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+ print "BaseClient=> recv Error:", e
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+ return None
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+
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+ '''断开连接'''
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+
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+ def disconnect(self):
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+ try:
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+ self.sock.shutdown(2)
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+ self.sock.close()
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+ except Exception, e:
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+ print "BaseClient=> socket disconnect error:", e
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+
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+
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if __name__ == "__main__":
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- bc = BaseClient()
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+ bc = SATClient()
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bc.sendmsg()
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print "ok!"
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