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76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*
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ESP8266WiFiMesh.h - Mesh network node
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Sets up a Mesh Node which acts as a router, creating a Mesh Network with other nodes. All information
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is passed in both directions, but it is up to the user what the data sent is and how it is dealt with.
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Copyright (c) 2015 Julian Fell. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __WIFIMESH_H__
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#define __WIFIMESH_H__
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#include <WiFiClient.h>
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#include <WiFiServer.h>
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#include <functional>
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class ESP8266WiFiMesh {
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private:
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String _ssid;
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String _ssid_prefix;
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uint32_t _chip_id;
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std::function<String(String)> _handler;
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WiFiServer _server;
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WiFiClient _client;
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void connectToNode(String target_ssid, String message);
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bool exchangeInfo(String message, WiFiClient curr_client);
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bool waitForClient(WiFiClient curr_client, int max_wait);
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public:
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/**
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* WiFiMesh Constructor method. Creates a WiFi Mesh Node, ready to be initialised.
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*
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* @chip_id A unique identifier number for the node.
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* @handler The callback handler for dealing with received messages. Takes a string as an argument which
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* is the string received from another node and returns the string to send back.
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*
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*/
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ESP8266WiFiMesh(uint32_t chip_id, std::function<String(String)> handler);
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/**
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* Initialises the node.
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*/
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void begin();
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/**
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* Scan for other nodes, and exchange the chosen message with any that are found.
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*
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* @message The message to send to all other nodes.
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*
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*/
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void attemptScan(String message);
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/**
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* If any clients are connected, accept their requests and call the hander function for each one.
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*/
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void acceptRequest();
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};
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#endif
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