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(*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*)
open Arg
open Thrift
open Tutorial_types
open Shared_types
exception Die;;
let sod = function
Some v -> v
| None -> raise Die;;
type connection = {
trans : Transport.t ;
proto : Thrift.Protocol.t;
calc : Calculator.client ;
}
let connect ~host port =
let tx = new TSocket.t host port in
let proto = new TBinaryProtocol.t tx in
let calc = new Calculator.client proto proto in
tx#opn;
{ trans = tx ; proto = proto; calc = calc }
;;
let doclient () =
let cli = connect ~host:"127.0.0.1" 9090 in
try
cli.calc#ping ;
Printf.printf "ping()\n" ; flush stdout ;
(let sum = cli.calc#add (Int32.of_int 1) (Int32.of_int 1) in
Printf.printf "1+1=%ld\n" sum ;
flush stdout) ;
(let w = new work in
w#set_op Operation.DIVIDE ;
w#set_num1 (Int32.of_int 1) ;
w#set_num2 (Int32.of_int 0) ;
try
let quotient = cli.calc#calculate (Int32.of_int 1) w in
Printf.printf "Whoa? We can divide by zero!\n" ; flush stdout
with InvalidOperation io ->
Printf.printf "InvalidOperation: %s\n" io#grab_why ; flush stdout) ;
(let w = new work in
w#set_op Operation.SUBTRACT ;
w#set_num1 (Int32.of_int 15) ;
w#set_num2 (Int32.of_int 10) ;
let diff = cli.calc#calculate (Int32.of_int 1) w in
Printf.printf "15-10=%ld\n" diff ; flush stdout) ;
(let ss = cli.calc#getStruct (Int32.of_int 1) in
Printf.printf "Check log: %s\n" ss#grab_value ; flush stdout) ;
cli.trans#close
with Transport.E (_,what) ->
Printf.printf "ERROR: %s\n" what ; flush stdout
;;
doclient();;
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