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WiFiUdp.h
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WiFiUdp.h
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/**
MobaStation Wifi Udp
© 2021, Markus Mair. All rights reserved.
This file is part of the MobaStation Project
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __WIFI_UDP__
#define __WIFI_UDP__
#include <Arduino.h>
#include <Udp.h>
#include "WiFi_ESP_AT.h"
class WiFiUDP : public UDP {
private:
uint8_t link_ID = 255;
WIFI_PACKET pkgBuffer;
bool recPending = false;
size_t recIdx = 0;
WIFI_PACKET sendBuffer;
bool pkgBegin = false;
public:
uint8_t begin(uint16_t port); // initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use
uint8_t beginMulticast(IPAddress ip, uint16_t port); // initialize, start listening on specified multicast IP address and port. Returns 1 if successful, 0 on failure
void stop(); // Finish with the UDP socket
// Sending UDP packets
// Start building up a packet to send to the remote host specific in ip and port
// Returns 1 if successful, 0 if there was a problem with the supplied IP address or port
int beginPacket(IPAddress ip, uint16_t port);
// Start building up a packet to send to the remote host specific in host and port
// Returns 1 if successful, 0 if there was a problem resolving the hostname or port
int beginPacket(const char *host, uint16_t port);
// Finish off this packet and send it
// Returns 1 if the packet was sent successfully, 0 if there was an error
int endPacket();
// Write a single byte into the packet
size_t write(uint8_t d);
// Write size bytes from buffer into the packet
size_t write(const uint8_t *buffer, size_t size);
// Start processing the next available incoming packet
// Returns the size of the packet in bytes, or 0 if no packets are available
int parsePacket();
// Number of bytes remaining in the current packet
int available();
// Read a single byte from the current packet
int read();
// Read up to len bytes from the current packet and place them into buffer
// Returns the number of bytes read, or 0 if none are available
int read(unsigned char* buffer, size_t len);
// Read up to len characters from the current packet and place them into buffer
// Returns the number of characters read, or 0 if none are available
int read(char* buffer, size_t len);
// Return the next byte from the current packet without moving on to the next byte
int peek();
void flush(); // Finish reading the current packet
// Return the IP address of the host who sent the current incoming packet
IPAddress remoteIP();
// Return the port of the host who sent the current incoming packet
uint16_t remotePort();
};
#endif