Restructure packet handling

[netvis.git] / source / netvis.h

diff --git a/source/netvis.h b/source/netvis.h
index 46b96a58a85d3779d00e80c5010d7af5ff9e5733..68eed052f3649255d4d9ee74655e624a89327968 100644 (file)
--- a/source/netvis.h
+++ b/source/netvis.h
@@ -11,6 +11,10 @@ Distributed unter the GPL
 #include <list>
 #include <map>
 #include <pcap.h>
+#include <netinet/ether.h>
+#include <netinet/ip.h>
+#include <netinet/tcp.h>
+#include <netinet/udp.h>
 #include <msp/core/application.h>
 #include <msp/debug/profiler.h>
 #include <msp/graphics/display.h>
@@ -29,6 +33,18 @@ class Resolver;
 class NetVis: public Msp::RegisteredApplication<NetVis>
 {
 private:
+       struct CaptureContext
+       {
+               const pcap_pkthdr *cap_hdr;
+               Host *src_host;
+               Port *src_port;
+               Host *dst_host;
+               Port *dst_port;
+               unsigned size;
+
+               CaptureContext();
+       };
+
        std::string iface;
        pcap_t *pcap;
        Resolver *resolver;
@@ -67,6 +83,11 @@ private:
        void create_history_texture();
 
        static void capture_handler(unsigned char *, const pcap_pkthdr *, const unsigned char *);
+       void handle_ethernet(CaptureContext &, const ethhdr *, unsigned);
+       void handle_ipv4(CaptureContext &, const iphdr *, unsigned);
+       void handle_tcp(CaptureContext &, const tcphdr *, unsigned);
+       void handle_udp(CaptureContext &, const udphdr *, unsigned);
+       void handle_packet(CaptureContext &);
 
        void sighandler(int);
 };