EthernetClient - status() added

Author: JAndrassy

src/EthernetClient.cpp

@@ -369,7 +369,13 @@ uint16_t
 UIPClient::remotePort(void)
 {
   return data ? ntohs(uip_conns[data->conn_index].rport) : 0;
-}
+}
+
+uint8_t
+UIPClient::status()
+{
+  return !data ? UIP_CLOSED :  uip_conns[data->conn_index].tcpstateflags & UIP_TS_MASK;
+}
 
 void
 uipclient_appcall(void)

src/EthernetClient.h

@@ -77,6 +77,8 @@ class EthernetClient : public Client {
 
   IPAddress remoteIP();
   uint16_t remotePort();
+
+  uint8_t status();
 
 private:
   EthernetClient(struct uip_conn *_conn);

src/tcp_states.h

@@ -0,0 +1,21 @@
+
+#ifndef UIP_TCP_STATES_H
+#define UIP_TCP_STATES_H
+
+#include <utility/uip.h>
+
+// common constants for client.state() return values
+enum uip_tcp_state {
+  CLOSED      = UIP_CLOSED,
+  SYN_SENT    = UIP_SYN_SENT,
+  SYN_RCVD    = UIP_SYN_RCVD,
+  ESTABLISHED = UIP_ESTABLISHED,
+  FIN_WAIT_1  = UIP_FIN_WAIT_1,
+  FIN_WAIT_2  = UIP_FIN_WAIT_2,
+  CLOSE_WAIT  = 10, // not used
+  CLOSING     = UIP_CLOSING,
+  LAST_ACK    = UIP_LAST_ACK,
+  TIME_WAIT   = UIP_TIME_WAIT
+};
+
+#endif