better cluster master collision resolution

[l2tpns.git] / l2tpns.h

diff --git a/l2tpns.h b/l2tpns.h
index 50d28e9..41d10b0 100644 (file)
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,5 +1,5 @@
 // L2TPNS Global Stuff
-// $Id: l2tpns.h,v 1.39 2004-11-28 02:53:11 bodea Exp $
+// $Id: l2tpns.h,v 1.45 2004-12-03 06:40:02 bodea Exp $
 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__
@@ -15,7 +15,7 @@
 #include <sys/types.h>
 #include <libcli.h>
 
-#define VERSION        "2.0.9"
+#define VERSION        "2.0.13"
 
 // Limits
 #define MAXTUNNEL      500             // could be up to 65535
@@ -109,6 +109,7 @@ enum
 // Types
 typedef unsigned short u16;
 typedef unsigned int u32;
+typedef unsigned long long u64;
 typedef unsigned char u8;
 typedef u32 ipt;
 typedef u16 portt;
@@ -277,7 +278,6 @@ struct Tringbuffer
                char level;
                sessionidt session;
                tunnelidt tunnel;
-               ipt address;
                char message[MAX_LOG_LENGTH];
        } buffer[RINGBUFFER_SIZE];
        int head;
@@ -466,6 +466,7 @@ typedef struct
 
        int             cluster_hb_interval;            // How often to send a heartbeat.
        int             cluster_hb_timeout;             // How many missed heartbeats trigger an election.
+       u64             cluster_table_version;          // # state changes processed by cluster
 
 #ifdef BGP
 #define BGP_NUM_PEERS  2
@@ -497,8 +498,8 @@ typedef struct
 #define FILTER_PORT_OP_GT      3
 #define FILTER_PORT_OP_LT      4
 #define FILTER_PORT_OP_RANGE   5
-       portt port;
-       portt port2;    // for range
+       portt port;     // port (host byte order)
+       portt port2;    // range
 } ip_filter_portt;
 
 typedef struct
@@ -506,18 +507,21 @@ typedef struct
        int action;             // permit/deny
 #define FILTER_ACTION_DENY     1
 #define FILTER_ACTION_PERMIT   2
-       int proto;              // protocol: IPPROTO_* (netinet/in.h)
-       ipt src_ip;             // source ip
+       u8 proto;               // protocol: IPPROTO_* (netinet/in.h)
+       ipt src_ip;             // source ip (network byte order)
        ipt src_wild;
        ip_filter_portt src_ports;
        ipt dst_ip;             // dest ip
        ipt dst_wild;
        ip_filter_portt dst_ports;
-       u8 tcp_flag_op;         // match type: any, all
-#define FILTER_FLAG_OP_ANY     0
-#define FILTER_FLAG_OP_ALL     1
+       u8 frag;                // apply to non-initial fragments
+       u8 tcp_flag_op;         // match type: any, all, established
+#define FILTER_FLAG_OP_ANY     1
+#define FILTER_FLAG_OP_ALL     2
+#define FILTER_FLAG_OP_EST     3
        u8 tcp_sflags;          // flags set
        u8 tcp_cflags;          // flags clear
+       u32 counter;            // match count
 } ip_filter_rulet;
 
 #define TCP_FLAG_FIN   0x01
@@ -573,16 +577,17 @@ void tunnelsend(u8 * buf, u16 l, tunnelidt t);
 void sendipcp(tunnelidt t, sessionidt s);
 void processudp(u8 * buf, int len, struct sockaddr_in *addr);
 void snoop_send_packet(char *packet, u16 size, ipt destination, u16 port);
+int ip_filter(u8 *buf, int len, u8 filter);
 int cmd_show_ipcache(struct cli_def *cli, char *command, char **argv, int argc);
 int cmd_show_hist_idle(struct cli_def *cli, char *command, char **argv, int argc);
 int cmd_show_hist_open(struct cli_def *cli, char *command, char **argv, int argc);
 
 #undef LOG
 #undef LOG_HEX
-#define LOG(D, a, s, t, f, ...)        ({ if (D <= config->debug) _log(D, a, s, t, f, ## __VA_ARGS__); })
+#define LOG(D, s, t, f, ...)   ({ if (D <= config->debug) _log(D, s, t, f, ## __VA_ARGS__); })
 #define LOG_HEX(D, t, d, s)    ({ if (D <= config->debug) _log_hex(D, t, d, s); })
 
-void _log(int level, ipt address, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 5, 6)));
+void _log(int level, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 4, 5)));
 void _log_hex(int level, const char *title, const char *data, int maxsize);
 
 int sessionsetup(tunnelidt t, sessionidt s);
@@ -615,12 +620,12 @@ if (count++ < max) { \
        void *array[20]; \
        char **strings; \
        int size, i; \
-       LOG(0, 0, 0, t, "Backtrace follows"); \
+       LOG(0, 0, t, "Backtrace follows"); \
        size = backtrace(array, 10); \
        strings = backtrace_symbols(array, size); \
        if (strings) for (i = 0; i < size; i++) \
        { \
-               LOG(0, 0, 0, t, "%s\n", strings[i]); \
+               LOG(0, 0, t, "%s\n", strings[i]); \
        } \
        free(strings); \
 }