X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Tools%2FNetTest%2Fnic.c;h=b8429fa97ade83496cd193af8b25b03c2fa65ed3;hb=9c4eedf4893f851bd1ba60ce541c8d098a9ef7f7;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=c3b821ccc009ec819f2580a53c0ed423aad43bf9;p=tpg%2Facess2.git

diff --git a/Tools/NetTest/nic.c b/Tools/NetTest/nic.c
index e69de29b..b8429fa9 100644
--- a/Tools/NetTest/nic.c
+++ b/Tools/NetTest/nic.c
@@ -0,0 +1,100 @@
+/*
+ * Acess2 Networking Test Suite (NetTest)
+ * - By John Hodge (thePowersGang)
+ *
+ * nic.c
+ * - Acess -> TAP Wrapper
+ */
+#include <acess.h>
+#include <IPStack/include/adapters_api.h>
+#include <nettest.h>
+
+// === CONSTANTS ===
+static const int MTU = 1520;
+
+// === PROTOTYPES ===
+void	NativeNic_int_FreePacket(void *Ptr, size_t pkt_length, size_t Unused, const void *DataPtr);
+tIPStackBuffer	*NativeNic_WaitForPacket(void *Ptr);
+ int	NativeNic_SendPacket(void *Ptr, tIPStackBuffer *Buffer);
+
+// === GLOBALS ===
+tIPStack_AdapterType	gNativeNIC_AdapterType = {
+	.Name = "NativeNIC",
+	.Type = 0,
+	.Flags = 0,
+	.SendPacket = NativeNic_SendPacket,
+	.WaitForPacket = NativeNic_WaitForPacket
+	};
+
+// === CODE ===
+int NativeNic_AddDev(char *DevDesc)
+{
+	Uint8	macaddr[6];
+	// Parse descriptor into mac address and path
+	// 123456789ABC:tun:ifname
+	// 123456789ABC:unix:/path
+	// 123456789ABC:file:/path
+	// 123456789ABC:tcp:host_desc
+	char *colonpos = strchr(DevDesc, ':');
+	if( !colonpos )
+		return -1;
+	if( UnHex(macaddr, 6, DevDesc) != 6 )
+		return -1;
+	
+	char *class = colonpos + 1;
+	colonpos = strchr(class, ':');
+	void *ptr;
+	if( strncmp(class, "tun:", 4) == 0 ) {
+		ptr = NetTest_OpenTap(colonpos+1);
+	}
+	else if( strncmp(class, "unix:", 5) == 0 ) {
+		ptr = NetTest_OpenUnix(colonpos+1);
+	}
+	else {
+		Log_Warning("NIC", "Unknown opener '%.*s'", colonpos-class, class);
+		ptr = NULL;
+	}
+	if( !ptr )
+		return 1;
+	IPStack_Adapter_Add(&gNativeNIC_AdapterType, ptr, macaddr);
+	
+	return 0;
+}
+
+void NativeNic_int_FreePacket(void *Ptr, size_t pkt_length, size_t Unused, const void *DataPtr)
+{
+	free( (void*)DataPtr );
+}
+
+tIPStackBuffer *NativeNic_WaitForPacket(void *Ptr)
+{
+	char	*buf = malloc( MTU );
+	size_t	len;
+
+	len = NetTest_ReadPacket(Ptr, MTU, buf);
+
+	tIPStackBuffer	*ret = IPStack_Buffer_CreateBuffer(1);
+	IPStack_Buffer_AppendSubBuffer(ret, len, 0, buf, NativeNic_int_FreePacket, Ptr);
+	
+	Debug_HexDump("NativeNic: RX", buf, len);
+	
+	return ret;
+}
+
+int NativeNic_SendPacket(void *Ptr, tIPStackBuffer *Buffer)
+{
+	size_t	len = IPStack_Buffer_GetLength(Buffer);
+	
+	// Check against MTU
+	if( len > MTU )
+		return -1;
+	
+	// Serialise into stack
+	char	buf[len];
+	IPStack_Buffer_GetData(Buffer, buf, len);
+
+	Debug_HexDump("NativeNic: TX", buf, len);
+	
+	NetTest_WritePacket(Ptr, len, buf);
+	return 0;
+}