From c06031014042f10811d43b4daae7d483dbc48bc3 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@anytun.org>
Date: Mon, 19 Jan 2009 22:06:52 +0000
Subject: first working version of windows TunDevice (currently only tap)

---
 src/win32/tunDevice.cpp | 42 +++++++++++++++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 9 deletions(-)

(limited to 'src/win32')

diff --git a/src/win32/tunDevice.cpp b/src/win32/tunDevice.cpp
index 7fc774e..3049c24 100644
--- a/src/win32/tunDevice.cpp
+++ b/src/win32/tunDevice.cpp
@@ -101,10 +101,12 @@ TunDevice::TunDevice(std::string dev_name, std::string dev_type, std::string ifc
   int status = true;
   if(!DeviceIoControl(handle_, TAP_IOCTL_SET_MEDIA_STATUS, &status, sizeof(status), &status, sizeof(status), &len, NULL)) {
     std::stringstream msg;
-    msg << "Unable set device media status: " << LogErrno(GetLastError());
+    msg << "Unable to set device media status: " << LogErrno(GetLastError());
     throw std::runtime_error(msg.str());
 	}
 
+  conf_.type_ = TYPE_TAP;
+
   if(ifcfg_lp != "" && ifcfg_rnmp != "")
     do_ifconfig();
 }
@@ -122,18 +124,40 @@ int TunDevice::fix_return(int ret, size_t pi_length)
 
 int TunDevice::read(u_int8_t* buf, u_int32_t len)
 {
-	std::string input;
-	std::cin >> input;
-	Buffer b(input);
-	u_int32_t cpylen = b.getLength() < len ? b.getLength() : len;
-	std::memcpy(buf, b.getBuf(), b.getLength());
-	return cpylen;
+  DWORD lenout;
+  OVERLAPPED overlapped;
+  overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+  overlapped.Offset = 0;
+	overlapped.OffsetHigh = 0;
+//  ResetEvent(overlapped.hEvent);
+  
+  if(!ReadFile(handle_, buf, len, &lenout, &overlapped)) {
+    DWORD err = GetLastError();
+    if(err == ERROR_IO_PENDING) {
+      WaitForSingleObject(overlapped.hEvent, INFINITE);
+			if(!GetOverlappedResult(handle_, &overlapped, &lenout, FALSE))
+        cLog.msg(Log::PRIO_ERR) << "Error while trying to get overlapped result: " << LogErrno(GetLastError());
+      
+      return lenout;
+    }
+    else
+      cLog.msg(Log::PRIO_ERR) << "Error while reading from: " << LogErrno(GetLastError());
+    
+    return -1;
+  }
+  return lenout;
 }
 
 int TunDevice::write(u_int8_t* buf, u_int32_t len)
 {
-	std::cout << Buffer(buf, len).getHexDumpOneLine() << std::endl;
-	return 0;
+	DWORD lenout;
+	OVERLAPPED overlapped = {0};
+
+	if(!WriteFile(handle_, buf, len, &lenout, &overlapped)) {
+    cLog.msg(Log::PRIO_ERR) << "Error while writing to device: " << LogErrno(GetLastError());
+		return -1;
+	}
+	return lenout;	
 }
 
 void TunDevice::init_post()
-- 
cgit v1.2.3