Thrift Tutorial


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665051 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/tutorial/py/PythonClient.py b/tutorial/py/PythonClient.py
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+++ b/tutorial/py/PythonClient.py
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+#!/usr/bin/env python
+
+import sys
+sys.path.append('../gen-py')
+
+from tutorial import Calculator
+from tutorial.ttypes import *
+
+from thrift.transport import TSocket
+from thrift.transport import TTransport
+from thrift.protocol import TBinaryProtocol
+
+# Make socket
+transport = TSocket.TSocket('localhost', 9090)
+
+# Buffering is critical. Raw sockets are very slow
+transport = TTransport.TBufferedTransport(transport)
+
+# Wrap in a protocol
+protocol = TBinaryProtocol.TBinaryProtocol(transport)
+
+# Create a client to use the protocol encoder
+client = Calculator.Client(protocol)
+
+# Connect!
+transport.open()
+
+client.ping()
+print 'ping()'
+
+sum = client.add(1,1)
+print '1+1=%d' % (sum)
+
+work = Work()
+
+work.op = Operation.DIVIDE
+work.num1 = 1
+work.num2 = 0
+
+try:
+  quotient = client.calculate(1, work)
+  print 'Whoa? You know how to divide by zero?'
+except InvalidOperation, io:
+  print 'InvalidOperation: %s' % (io.__str__())
+
+work.op = Operation.SUBTRACT
+work.num1 = 15
+work.num2 = 10
+
+diff = client.calculate(1, work)
+print '15-10=%d' % (diff)
+
+log = client.getStruct(1)
+print 'Check log: %s' % (log.value)
+
+# Close!
+transport.close()
+
diff --git a/tutorial/py/PythonServer.py b/tutorial/py/PythonServer.py
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+++ b/tutorial/py/PythonServer.py
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+#!/usr/bin/env python
+
+import sys
+sys.path.append('../gen-py')
+
+from tutorial import Calculator
+from tutorial.ttypes import *
+
+from shared.ttypes import SharedStruct
+
+from thrift.transport import TSocket
+from thrift.transport import TTransport
+from thrift.protocol import TBinaryProtocol
+from thrift.server import TServer
+
+class CalculatorHandler:
+  def __init__(self):
+    self.log = {}
+    
+  def ping(self):
+    print 'ping()'
+
+  def add(self, n1, n2):
+    print 'add(%d,%d)' % (n1, n2)
+    return n1+n2
+
+  def calculate(self, logid, work):
+    print 'calculate(%d, %s)' % (logid, work.__str__())
+    
+    if work.op == Operation.ADD:
+      val = work.num1 + work.num2
+    elif work.op == Operation.SUBTRACT:
+      val = work.num1 - work.num2
+    elif work.op == Operation.MULTIPLY:
+      val = work.num1 * work.num2
+    elif work.op == Operation.DIVIDE:
+      if work.num2 == 0:
+        x = InvalidOperation()
+        x.what = work.op
+        x.why = 'Cannot divide by 0'
+        raise x
+      val = work.num1 / work.num2
+    else:
+      x = InvalidOperation()
+      x.what = work.op
+      x.why = 'Invalid operation'
+      raise x
+
+    log = SharedStruct()
+    log.key = logid
+    log.value = '%d' % (val)
+    self.log[logid] = log
+
+    return val
+
+  def getStruct(self, key):
+    print 'getStruct(%d)' % (key)
+    return self.log[key]
+
+  def zip(self):
+    print 'zip()'
+    
+handler = CalculatorHandler()
+processor = Calculator.Processor(handler)
+transport = TSocket.TServerSocket(9090)
+tfactory = TTransport.TBufferedTransportFactory()
+pfactory = TBinaryProtocol.TBinaryProtocolFactory()
+
+server = TServer.TSimpleServer(processor, transport, tfactory, pfactory)
+
+# You could do one of these for a multithreaded server
+#server = TServer.TThreadedServer(processor, transport, tfactory, pfactory)
+#server = TServer.TThreadPoolServer(processor, transport, tfactory, pfactory)
+
+print 'Starting the server...'
+server.serve()
+print 'done.'