From 8a162a5a01a0b9c6748028bcc9efd6e8dd9daf0c Mon Sep 17 00:00:00 2001
From: David Reiss <dreiss@apache.org>
Date: Wed, 11 Jun 2008 01:03:16 +0000
Subject: [PATCH] New tutorial for alterl bindings - include working client +
 server

Test plan:

  ./client.sh
  server:start().
  client:t().


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@666458 13f79535-47bb-0310-9956-ffa450edef68
---
 tutorial/alterl/client.erl | 55 +++++++++++++++++++++++++++++++++
 tutorial/alterl/client.sh  |  1 +
 tutorial/alterl/server.erl | 63 ++++++++++++++++++++++++++++++++++++++
 tutorial/alterl/server.sh  | 18 +++++++++++
 4 files changed, 137 insertions(+)
 create mode 100644 tutorial/alterl/client.erl
 create mode 120000 tutorial/alterl/client.sh
 create mode 100644 tutorial/alterl/server.erl
 create mode 100755 tutorial/alterl/server.sh

diff --git a/tutorial/alterl/client.erl b/tutorial/alterl/client.erl
new file mode 100644
index 00000000..c7a75ed8
--- /dev/null
+++ b/tutorial/alterl/client.erl
@@ -0,0 +1,55 @@
+-module(client).
+
+-include("calculator_thrift.hrl").
+
+-export([t/0]).
+
+p(X) ->
+    io:format("~p~n", [X]),
+    ok.
+
+t() ->
+    Port = 9999,
+    
+    {ok, Client} = thrift_client:start_link("127.0.0.1",
+                                            Port,
+                                            calculator_thrift),
+
+    thrift_client:call(Client, ping, []),
+    io:format("ping~n", []),
+
+    {ok, Sum} = thrift_client:call(Client, add,  [1, 1]),
+    io:format("1+1=~p~n", [Sum]),
+
+    {ok, Sum1} = thrift_client:call(Client, add, [1, 4]),
+    io:format("1+4=~p~n", [Sum1]),
+
+    Work = #work{op=?tutorial_SUBTRACT,
+                 num1=15,
+                 num2=10},
+    {ok, Diff} = thrift_client:call(Client, calculate, [1, Work]),
+    io:format("15-10=~p~n", [Diff]),
+
+    {ok, Log} = thrift_client:call(Client, getStruct, [1]),
+    io:format("Log: ~p~n", [Log]),
+
+    try
+        Work1 = #work{op=?tutorial_DIVIDE,
+                      num1=1,
+                      num2=0},
+        {ok, _Quot} = thrift_client:call(Client, calculate, [2, Work1]),
+
+        io:format("LAME: exception handling is broken~n", [])
+    catch
+        Z ->
+            io:format("Got exception where expecting - the " ++
+                      "following is NOT a problem!!!~n"),
+            p(Z)
+    end,
+
+
+    {ok, ok} = thrift_client:call(Client, zip, []),
+    io:format("zip~n", []),
+
+    ok = thrift_client:close(Client),
+    ok.
diff --git a/tutorial/alterl/client.sh b/tutorial/alterl/client.sh
new file mode 120000
index 00000000..a417e0da
--- /dev/null
+++ b/tutorial/alterl/client.sh
@@ -0,0 +1 @@
+server.sh
\ No newline at end of file
diff --git a/tutorial/alterl/server.erl b/tutorial/alterl/server.erl
new file mode 100644
index 00000000..bbb169cd
--- /dev/null
+++ b/tutorial/alterl/server.erl
@@ -0,0 +1,63 @@
+-module(server).
+
+-include("calculator_thrift.hrl").
+
+-export([start/0, start/1, handle_function/2,
+         stop/1, ping/0, add/2, calculate/2, getStruct/1, zip/0]).
+
+debug(Format, Data) ->
+    error_logger:info_msg(Format, Data).
+
+ping() ->
+    debug("ping()",[]),
+    ok.
+
+add(N1, N2) ->
+    debug("add(~p,~p)",[N1,N2]),
+    N1+N2.
+
+calculate(Logid, Work) ->
+    { Op, Num1, Num2 } = { Work#work.op, Work#work.num1, Work#work.num2 },
+    debug("calculate(~p, {~p,~p,~p})", [Logid, Op, Num1, Num2]),
+    case Op of
+        ?tutorial_ADD      -> Num1 + Num2;
+	?tutorial_SUBTRACT -> Num1 - Num2;
+	?tutorial_MULTIPLY -> Num1 * Num2;
+
+	?tutorial_DIVIDE when Num2 == 0 ->
+	    throw(#invalidOperation{what=Op, why="Cannot divide by 0"});
+	?tutorial_DIVIDE ->
+	    Num1 div Num2;
+
+	_Else ->
+	    throw(#invalidOperation{what=Op, why="Invalid operation"})
+    end.
+
+getStruct(Key) ->
+    debug("getStruct(~p)", [Key]),
+    #sharedStruct{key=Key, value="RARG"}.
+
+zip() ->
+    debug("zip", []),
+    ok.
+
+%%
+
+start() ->
+    start(9999).
+
+start(Port) ->
+    Handler   = ?MODULE,
+    thrift_socket_server:start([{handler, Handler},
+                                {service, calculator_thrift},
+                                {port, Port},
+                                {name, tutorial_server}]).
+
+stop(Server) ->
+    thrift_socket_server:stop(Server).
+
+handle_function(Function, Args) when is_atom(Function), is_tuple(Args) ->
+    case apply(?MODULE, Function, tuple_to_list(Args)) of
+        ok -> ok;
+        Reply -> {reply, Reply}
+    end.
diff --git a/tutorial/alterl/server.sh b/tutorial/alterl/server.sh
new file mode 100755
index 00000000..857d9d39
--- /dev/null
+++ b/tutorial/alterl/server.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+ERL_THRIFT=../../lib/alterl
+
+if ! [ -d ${ERL_THRIFT}/ebin ]; then
+    echo "Please build the Thrift library by running \`make' in ${ERL_THRIFT}"
+    exit 1
+fi
+
+if ! [ -d ../gen-erl ]; then
+    echo "Please run thrift first to generate ../gen-erl/"
+    exit 1
+fi
+
+
+erlc -I ${ERL_THRIFT}/include -I ../gen-erl -o ../gen-erl ../gen-erl/*.erl  &&
+  erlc -I ${ERL_THRIFT}/include -I ../gen-erl *.erl &&
+  erl +K true -pa ${ERL_THRIFT}/ebin -pa ../gen-erl -config server.config
-- 
2.17.1