| /* | |
| WiFiUdp.h - Library for Arduino Wifi shield. | |
| Copyright (c) 2011-2014 Arduino LLC. All right reserved. | |
| This library is free software; you can redistribute it and/or | |
| modify it under the terms of the GNU Lesser General Public | |
| License as published by the Free Software Foundation; either | |
| version 2.1 of the License, or (at your option) any later version. | |
| This library 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 | |
| Lesser General Public License for more details. | |
| You should have received a copy of the GNU Lesser General Public | |
| License along with this library; if not, write to the Free Software | |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| class WiFiUDP : public UDP { | |
| private: | |
| uint8_t _sock; // socket ID for Wiz5100 | |
| uint16_t _port; // local port to listen on | |
| public: | |
| WiFiUDP(); // Constructor | |
| virtual uint8_t begin(uint16_t); // initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use | |
| virtual 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 | |
| virtual 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 | |
| virtual 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 | |
| virtual int endPacket(); | |
| // Write a single byte into the packet | |
| virtual size_t write(uint8_t); | |
| // Write size bytes from buffer into the packet | |
| virtual size_t write(const uint8_t *buffer, size_t size); | |
| using Print::write; | |
| // Start processing the next available incoming packet | |
| // Returns the size of the packet in bytes, or 0 if no packets are available | |
| virtual int parsePacket(); | |
| // Number of bytes remaining in the current packet | |
| virtual int available(); | |
| // Read a single byte from the current packet | |
| virtual 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 | |
| virtual 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 | |
| virtual int read(char* buffer, size_t len) { return read((unsigned char*)buffer, len); }; | |
| // Return the next byte from the current packet without moving on to the next byte | |
| virtual int peek(); | |
| virtual void flush(); // Finish reading the current packet | |
| // Return the IP address of the host who sent the current incoming packet | |
| virtual IPAddress remoteIP(); | |
| // Return the port of the host who sent the current incoming packet | |
| virtual uint16_t remotePort(); | |
| friend class WiFiDrv; | |
| }; | |