Initial import.

packet.h

@@ -0,0 +1,45 @@
+#ifndef __PACKET_H
+#define __PACKET_H
+
+#define _BSD_SOURCE 1
+#include <net/ethernet.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+extern "C"
+{
+	#include <pcap.h>
+}
+
+/* To initialise this module, call getLocal with the currently
+ * monitored device (e.g. "eth0:1") */
+void getLocal (const char *device);
+
+class Packet
+{
+public:
+	in_addr sip;
+	in_addr dip;
+	unsigned short sport;
+	unsigned short dport;
+	bpf_u_int32 len;
+	timeval time;
+
+	Packet (in_addr m_sip, unsigned short m_sport, in_addr m_dip, unsigned short m_dport, bpf_u_int32 m_len, timeval m_time);
+	/* copy constructor */
+	Packet * newPacket ();
+
+	bool isOlderThan(timeval t);
+	/* is this packet coming from here? */
+	bool Outgoing ();
+
+	bool match (Packet * other);
+	/* returns '1.2.3.4:5-1.2.3.4:6'-style string */
+	char * gethashstring();
+};
+
+Packet * getPacket (const struct pcap_pkthdr * header, const u_char * packet);
+
+#endif