added UDP-Client and Server classes for data transfer via Ethernet

1 files changed, 33 insertions, 4 deletions

diff --git a/src/UDPClient/UDPClient.h b/src/UDPClient/UDPClient.h
index a962fe9..f6cf0d6 100644
--- a/src/UDPClient/UDPClient.h
+++ b/src/UDPClient/UDPClient.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Tobias Frust
+ * http://linux.m2osw.com/c-implementation-udp-clientserver
  *
  * UDPSender.h
  *
@@ -7,9 +7,38 @@
  *      Author: Tobias Frust
  */
 
-#ifndef UDPSENDER_H_
-#define UDPSENDER_H_
+#ifndef UDPCLIENT_H_
+#define UDPCLIENT_H_
 
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdexcept>
+#include <cstring>
 
+class udp_client_server_runtime_error : public std::runtime_error
+{
+public:
+    udp_client_server_runtime_error(const char *w) : std::runtime_error(w) {}
+};
 
-#endif /* UDPSENDER_H_ */
+
+class UDPClient {
+public:
+  UDPClient(const std::string& addr, int port);
+  ~UDPClient();
+
+  int                 get_socket() const;
+  int                 get_port() const;
+  std::string         get_addr() const;
+
+  int                 send(const char *msg, size_t size);
+
+private:
+  int                 f_socket;
+  int                 f_port;
+  std::string         f_addr;
+  struct addrinfo *   f_addrinfo;
+};
+
+#endif /* UDPCLIENT_H_ */