Adding write(str) and write(buf, size) methods to Print class and Ethernet library Client and Server classes. This allows sending a whole string or buffer at once, reducing the number of ethernet packets.

hardware/libraries/Ethernet/Client.cpp

@@ -2,6 +2,7 @@ extern "C" {
   #include "types.h"
   #include "w5100.h"
   #include "socket.h"
+  #include "string.h"
 }
 
 #include "Ethernet.h"
@@ -50,6 +51,14 @@ void Client::write(uint8_t b) {
   send(_sock, &b, 1);
 }
 
+void Client::write(const char *str) {
+  send(_sock, (const uint8_t *)str, strlen(str));
+}
+
+void Client::write(const uint8_t *buf, size_t size) {
+  send(_sock, buf, size);
+}
+
 int Client::available() {
   return getSn_RX_RSR(_sock);
 }

hardware/libraries/Ethernet/Client.h

@@ -15,6 +15,8 @@ public:
   uint8_t status();
   uint8_t connect();
   virtual void write(uint8_t);
+  virtual void write(const char *str);
+  virtual void write(const uint8_t *buf, size_t size);
   int available();
   int read();
   void flush();

hardware/libraries/Ethernet/Server.cpp

@@ -2,6 +2,7 @@ extern "C" {
   #include "types.h"
   #include "w5100.h"
   #include "socket.h"
+  #include "string.h"
 }
 
 #include "Ethernet.h"
@@ -66,6 +67,16 @@ Client Server::available()
 }
 
 void Server::write(uint8_t b) 
+{
+  write(&b, 1);
+}
+
+void Server::write(const char *str) 
+{
+  write((const uint8_t *)str, strlen(str));
+}
+
+void Server::write(const uint8_t *buffer, size_t size) 
 {
   accept();
   
@@ -74,7 +85,7 @@ void Server::write(uint8_t b)
     
     if (EthernetClass::_server_port[sock] == _port &&
         client.status() == SOCK_ESTABLISHED) {
-      client.write(b);
+      client.write(buffer, size);
     }
   }
-}
+}

hardware/libraries/Ethernet/Server.h

@@ -18,6 +18,8 @@ public:
   Client available();
   void begin();
   virtual void write(uint8_t);
+  virtual void write(const char *str);
+  virtual void write(const uint8_t *buf, size_t size);
 };
 
 #endif