1 files changed, 41 insertions, 0 deletions
diff --git a/libraries/Ethernet/utility/socket.h b/libraries/Ethernet/utility/socket.h
new file mode 100644
index 0000000..45e0fb3
--- /dev/null
+++ b/libraries/Ethernet/utility/socket.h
@@ -0,0 +1,41 @@
+#ifndef	_SOCKET_H_
+#define	_SOCKET_H_
+
+#include "w5100.h"
+
+extern uint8_t socket(SOCKET s, uint8_t protocol, uint16_t port, uint8_t flag); // Opens a socket(TCP or UDP or IP_RAW mode)
+extern void close(SOCKET s); // Close socket
+extern uint8_t connect(SOCKET s, uint8_t * addr, uint16_t port); // Establish TCP connection (Active connection)
+extern void disconnect(SOCKET s); // disconnect the connection
+extern uint8_t listen(SOCKET s);	// Establish TCP connection (Passive connection)
+extern uint16_t send(SOCKET s, const uint8_t * buf, uint16_t len); // Send data (TCP)
+extern int16_t recv(SOCKET s, uint8_t * buf, int16_t len);	// Receive data (TCP)
+extern uint16_t peek(SOCKET s, uint8_t *buf);
+extern uint16_t sendto(SOCKET s, const uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t port); // Send data (UDP/IP RAW)
+extern uint16_t recvfrom(SOCKET s, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t *port); // Receive data (UDP/IP RAW)
+
+extern uint16_t igmpsend(SOCKET s, const uint8_t * buf, uint16_t len);
+
+// Functions to allow buffered UDP send (i.e. where the UDP datagram is built up over a
+// number of calls before being sent
+/*
+  @brief This function sets up a UDP datagram, the data for which will be provided by one
+  or more calls to bufferData and then finally sent with sendUDP.
+  @return 1 if the datagram was successfully set up, or 0 if there was an error
+*/
+extern int startUDP(SOCKET s, uint8_t* addr, uint16_t port);
+/*
+  @brief This function copies up to len bytes of data from buf into a UDP datagram to be
+  sent later by sendUDP.  Allows datagrams to be built up from a series of bufferData calls.
+  @return Number of bytes successfully buffered
+*/
+uint16_t bufferData(SOCKET s, uint16_t offset, const uint8_t* buf, uint16_t len);
+/*
+  @brief Send a UDP datagram built up from a sequence of startUDP followed by one or more
+  calls to bufferData.
+  @return 1 if the datagram was successfully sent, or 0 if there was an error
+*/
+int sendUDP(SOCKET s);
+
+#endif
+/* _SOCKET_H_ */