66 lines
3.0 KiB
Ada
66 lines
3.0 KiB
Ada
-------------------------------------------------------------------------------
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-- Copyright (C) 2020-2030, per.s.sandberg@bahnhof.se --
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-- --
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-- Permission is hereby granted, free of charge, to any person obtaining a --
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-- copy of this software and associated documentation files --
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-- (the "Software"), to deal in the Software without restriction, including --
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-- without limitation the rights to use, copy, modify, merge, publish, --
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-- distribute, sublicense, and / or sell copies of the Software, and to --
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-- permit persons to whom the Software is furnished to do so, subject to --
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-- the following conditions : --
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-- --
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-- The above copyright notice and this permission notice shall be included --
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-- in all copies or substantial portions of the Software. --
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-- --
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-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
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-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
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-- MERCHANTABILITY, --
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-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL --
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-- THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR --
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-- OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, --
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-- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR --
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-- OTHER DEALINGS IN THE SOFTWARE. --
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-------------------------------------------------------------------------------
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with ZMQ.Sockets;
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with ZMQ.Contexts;
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with ZMQ.Messages;
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with Ada.Text_IO; use Ada.Text_IO;
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procedure ZMQ.Examples.Server is
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Ctx : ZMQ.Contexts.Context;
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S : ZMQ.Sockets.Socket;
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Resultset_String : constant String := "OK";
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begin
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-- Initialise 0MQ context, requesting a single application thread
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-- and a single I/O thread
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Ctx.Set_Number_Of_IO_Threads (1);
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-- Create a ZMQ_REP socket to receive requests and send replies
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S.Initialize (Ctx, Sockets.REP);
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-- Bind to the TCP transport and port 5555 on the 'lo' interface
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S.Bind ("tcp://lo:5555");
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loop
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declare
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Query : ZMQ.Messages.Message;
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begin
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Query.Initialize (0);
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-- Receive a message, blocks until one is available
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S.Recv (Query);
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-- Process the query
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Put_Line (Query.GetData);
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declare
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-- Allocate a response message and fill in an example response
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Resultset : ZMQ.Messages.Message;
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begin
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Resultset.Initialize (Query.GetData & "->" & Resultset_String);
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-- Send back our canned response
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S.Send (Resultset);
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end;
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end;
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end loop;
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end ZMQ.Examples.Server;
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