From 1dc95b4eed7974549ef43a87e0777aa343b30fd4 Mon Sep 17 00:00:00 2001
From: Tobias Frust <tobiasfrust@Tobiass-MacBook-Pro.fritz.box>
Date: Wed, 29 Jun 2016 21:44:58 +0200
Subject: added client and server executable for testing simple udp packet
 transfer

---
 src/CMakeLists.txt          | 10 ++++++++--
 src/UDPServer/UDPServer.cpp | 10 ++++++++++
 src/UDPServer/UDPServer.h   |  8 +++++++-
 src/main.cpp                | 11 ++++++++---
 src/main_server.cpp         | 28 ++++++++++++++++++++++++++++
 5 files changed, 61 insertions(+), 6 deletions(-)
 create mode 100644 src/main_server.cpp

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 746b901..80196d9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -31,11 +31,17 @@ include_directories(
    ${BOOST_INCLUDE_DIRS}
 )
 
-set(SOURCES
+set(SOURCES_CLIENT
    "${CMAKE_SOURCE_DIR}/UDPClient/UDPClient.cpp"
    "${CMAKE_SOURCE_DIR}/main.cpp"	         
 )
 
-add_executable(onlineDetectorSimulator ${SOURCES})
+set(SOURCES_SERVER
+   "${CMAKE_SOURCE_DIR}/UDPServer/UDPServer.cpp"
+   "${CMAKE_SOURCE_DIR}/main_server.cpp"
+)
+
+add_executable(onlineDetectorSimulatorServer ${SOURCES_SERVER})
+add_executable(onlineDetectorSimulatorClient ${SOURCES_CLIENT})
 
 
diff --git a/src/UDPServer/UDPServer.cpp b/src/UDPServer/UDPServer.cpp
index cd36647..854835a 100644
--- a/src/UDPServer/UDPServer.cpp
+++ b/src/UDPServer/UDPServer.cpp
@@ -41,6 +41,16 @@
  * \param[in] addr  The address we receive on.
  * \param[in] port  The port we receive from.
  */
+
+#include "UDPServer.h"
+
+ #include <string.h>
+ #include <unistd.h>
+
+ #ifndef SOCK_CLOEXEC
+ #define SOCK_CLOEXEC 0
+ #endif
+
 UDPServer::UDPServer(const std::string& addr, int port)
     : f_port(port)
     , f_addr(addr)
diff --git a/src/UDPServer/UDPServer.h b/src/UDPServer/UDPServer.h
index 7eef796..22f33b3 100644
--- a/src/UDPServer/UDPServer.h
+++ b/src/UDPServer/UDPServer.h
@@ -14,7 +14,13 @@
 #include <sys/socket.h>
 #include <netdb.h>
 #include <stdexcept>
-#include <string>
+#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) {}
+};
 
 class UDPServer
 {
diff --git a/src/main.cpp b/src/main.cpp
index 2ff08b2..6898a09 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -12,10 +12,15 @@ int main (int argc, char *argv[]){
 
   UDPClient client = UDPClient(address, port);
 
-  std::string msg = "test";
-  std::size_t length{msg.size()};
+  std::size_t length{8008};
 
-  client.send(msg.c_str(), length);
+  char buf[length];
+  for(auto i = 0; i < length; i++){
+    *(buf+i) = i%128;
+  }
+
+
+  client.send(buf, length);
 
   return 0;
 
diff --git a/src/main_server.cpp b/src/main_server.cpp
new file mode 100644
index 0000000..b90de52
--- /dev/null
+++ b/src/main_server.cpp
@@ -0,0 +1,28 @@
+#include "UDPServer/UDPServer.h"
+
+#include <iostream>
+#include <string>
+
+int main (int argc, char *argv[]){
+
+  std::cout << "Receiving UDP packages: " << std::endl;
+
+  std::string address = "localhost";
+  int port = 1234;
+
+  UDPServer server = UDPServer(address, port);
+
+  std::size_t length{8000};
+
+  char buf[length];
+
+  server.recv(buf, length);
+
+  for(auto i = 0; i < length; i++){
+    printf("%c", buf[i]);
+  }
+  printf("\n");
+
+  return 0;
+
+}
-- 
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