merge in changes from 2.0 branch; fix byte counters in accounting records, add gigawords

diff --git a/Changes b/Changes
index 4b07b11..6fc5543 100644 (file)
--- a/Changes
+++ b/Changes
@@ -79,6 +79,13 @@
   routes.
 - New config option: allow_duplicate_users which determines whether
   or not to kill older sessions with the same username.
   routes.
 - New config option: allow_duplicate_users which determines whether
   or not to kill older sessions with the same username.

+- Show session open time in "show session"/"show user" detailed output.
+- Have slaves with BGP configured drop BGP on receipt of a shutdown
+  signal, but hang about for an additional 5s to process any remaining
+  traffic.
+- Run regular_cleanups after processing the results of the select,
+  looking at a sufficient slice of each table to ensure that all
+  entries are examined at least once per second.

 
 * Fri Dec 17 2004 Brendan O'Dea <bod@optusnet.com.au> 2.0.13
 - Better cluster master collision resolution: keep a counter of state
 
 * Fri Dec 17 2004 Brendan O'Dea <bod@optusnet.com.au> 2.0.13
 - Better cluster master collision resolution: keep a counter of state

diff --git a/Docs/manual.html b/Docs/manual.html
index ad4bbec..4db3a83 100644 (file)
--- a/Docs/manual.html
+++ b/Docs/manual.html
@@ -285,10 +285,6 @@ second.  Even if this is disabled, you can see this information by running
 the <EM>uptime</EM> command on the CLI.
 </LI>
 
 the <EM>uptime</EM> command on the CLI.
 </LI>
 

-<LI><B>cleanup_interval</B> (int)<BR>
-Interval between regular cleanups (in seconds).
-</LI>
-

 <LI><B>multi_read_count</B> (int)<BR>
 Number of packets to read off each of the UDP and TUN fds when
 returned as readable by select (default:  10).  Avoids incurring the
 <LI><B>multi_read_count</B> (int)<BR>
 Number of packets to read off each of the UDP and TUN fds when
 returned as readable by select (default:  10).  Avoids incurring the

diff --git a/Docs/startup-config.5 b/Docs/startup-config.5
index ccdfa64..fbe2e3d 100644 (file)
--- a/Docs/startup-config.5
+++ b/Docs/startup-config.5
@@ -2,7 +2,7 @@
 .de Id
 .ds Dt \\$4 \\$5
 ..
 .de Id
 .ds Dt \\$4 \\$5
 ..

-.Id $Id: startup-config.5,v 1.9 2005/06/02 04:04:08 bodea Exp $
+.Id $Id: startup-config.5,v 1.10 2005/06/02 11:32:33 bodea Exp $

 .TH STARTUP-CONFIG 5 "\*(Dt" L2TPNS "File Formats and Conventions"
 .SH NAME
 startup\-config \- configuration file for l2tpns
 .TH STARTUP-CONFIG 5 "\*(Dt" L2TPNS "File Formats and Conventions"
 .SH NAME
 startup\-config \- configuration file for l2tpns


@@ -91,10 +91,7 @@ record when the session is closed.
 If
 .B radius_accounting
 is on, defines the interval between sending of RADIUS interim
 If
 .B radius_accounting
 is on, defines the interval between sending of RADIUS interim

-accounting records (in seconds).  Note: checking of this interval
-occurs no more frequently than
-.B cleanup_interval
-seconds (see below).
+accounting records (in seconds).

 .TP
 .B radius_secret
 Secret to be used in RADIUS packets.
 .TP
 .B radius_secret
 Secret to be used in RADIUS packets.


@@ -145,9 +142,6 @@ by running the
 .B uptime
 command on the CLI.
 .TP
 .B uptime
 command on the CLI.
 .TP

-.B cleanup_interval
-Interval between regular cleanups (in seconds).
-.TP

 .B multi_read_count
 Number of packets to read off each of the UDP and TUN fds when
 returned as readable by select (default: 10).  Avoids incurring the
 .B multi_read_count
 Number of packets to read off each of the UDP and TUN fds when
 returned as readable by select (default: 10).  Avoids incurring the

diff --git a/cli.c b/cli.c
index 52397f9..7ac3643 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -2,7 +2,7 @@
 // vim: sw=8 ts=8
 
 char const *cvs_name = "$Name:  $";
 // vim: sw=8 ts=8
 
 char const *cvs_name = "$Name:  $";

-char const *cvs_id_cli = "$Id: cli.c,v 1.59 2005/06/02 03:52:46 bodea Exp $";
+char const *cvs_id_cli = "$Id: cli.c,v 1.60 2005/06/02 11:32:30 bodea Exp $";

 
 #include <stdio.h>
 #include <stdarg.h>
 
 #include <stdio.h>
 #include <stdarg.h>


@@ -411,7 +411,7 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                        cli_print(cli, "\tIdle time:\t%u seconds", abs(time_now - session[s].last_packet));
                        cli_print(cli, "\tNext Recv:\t%u", session[s].nr);
                        cli_print(cli, "\tNext Send:\t%u", session[s].ns);
                        cli_print(cli, "\tIdle time:\t%u seconds", abs(time_now - session[s].last_packet));
                        cli_print(cli, "\tNext Recv:\t%u", session[s].nr);
                        cli_print(cli, "\tNext Send:\t%u", session[s].ns);

-                       cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].total_cout, session[s].total_cin);
+                       cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].cout, session[s].cin);

                        cli_print(cli, "\tPkts In/Out:\t%u/%u", session[s].pout, session[s].pin);
                        cli_print(cli, "\tMRU:\t\t%d", session[s].mru);
                        cli_print(cli, "\tRx Speed:\t%u", session[s].rx_connect_speed);
                        cli_print(cli, "\tPkts In/Out:\t%u/%u", session[s].pout, session[s].pin);
                        cli_print(cli, "\tMRU:\t\t%d", session[s].mru);
                        cli_print(cli, "\tRx Speed:\t%u", session[s].rx_connect_speed);


@@ -507,8 +507,8 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                                (session[i].walled_garden) ? "Y" : "N",
                                (session[i].flags & SF_IPV6CP_ACKED) ? "Y" : "N",
                                abs(time_now - (unsigned long)session[i].opened),
                                (session[i].walled_garden) ? "Y" : "N",
                                (session[i].flags & SF_IPV6CP_ACKED) ? "Y" : "N",
                                abs(time_now - (unsigned long)session[i].opened),

-                               (unsigned long)session[i].total_cout,
-                               (unsigned long)session[i].total_cin,
+                               (unsigned long)session[i].cout,
+                               (unsigned long)session[i].cin,

                                abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
                                fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1),
                                session[i].calling[0] ? session[i].calling : "*");
                                abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
                                fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1),
                                session[i].calling[0] ? session[i].calling : "*");

diff --git a/cluster.c b/cluster.c
index c529fea..9049079 100644 (file)
--- a/cluster.c
+++ b/cluster.c
@@ -1,6 +1,6 @@
 // L2TPNS Clustering Stuff
 
 // L2TPNS Clustering Stuff
 

-char const *cvs_id_cluster = "$Id: cluster.c,v 1.39 2005/05/26 12:17:30 bodea Exp $";
+char const *cvs_id_cluster = "$Id: cluster.c,v 1.40 2005/06/02 11:32:30 bodea Exp $";

 
 #include <stdio.h>
 #include <stdlib.h>
 
 #include <stdio.h>
 #include <stdlib.h>


@@ -287,7 +287,7 @@ int master_forward_packet(char *data, int size, in_addr_t addr, int port)
        LOG(4, 0, 0, "Forwarding packet from %s to master (size %d)\n", fmtaddr(addr, 0), size);
 
        STAT(c_forwarded);
        LOG(4, 0, 0, "Forwarding packet from %s to master (size %d)\n", fmtaddr(addr, 0), size);
 
        STAT(c_forwarded);

-       add_type(&p, C_FORWARD, addr, (char *) &port, sizeof(port));
+       add_type(&p, C_FORWARD, addr, (char *) &port, sizeof(port)); // ick. should be uint16_t

        memcpy(p, data, size);
        p += size;
 
        memcpy(p, data, size);
        p += size;
 


@@ -402,10 +402,16 @@ void master_update_counts(void)
        if (config->cluster_iam_master)         // Only happens on the slaves.
                return;
 
        if (config->cluster_iam_master)         // Only happens on the slaves.
                return;
 

-       if (!config->cluster_master_address)            // If we don't have a master, skip it for a while.
+       if (!config->cluster_master_address)    // If we don't have a master, skip it for a while.

                return;
 
                return;
 

-       i = MAX_B_RECS * 5; // Examine max 2000 sessions;
+       // C_BYTES format changed in 2.1.0 (cluster version 5)
+       // during upgrade from previous versions, hang onto our counters
+       // for a bit until the new master comes up
+       if (config->cluster_last_hb_ver < 5)
+               return;
+
+       i = MAX_B_RECS * 5; // Examine max 3000 sessions;

        if (config->cluster_highest_sessionid > i)
                i = config->cluster_highest_sessionid;
 
        if (config->cluster_highest_sessionid > i)
                i = config->cluster_highest_sessionid;
 


@@ -416,17 +422,20 @@ void master_update_counts(void)
                        walk_session_number = 1;
 
                if (!sess_local[walk_session_number].cin && !sess_local[walk_session_number].cout)
                        walk_session_number = 1;
 
                if (!sess_local[walk_session_number].cin && !sess_local[walk_session_number].cout)

-                       continue; // Unused. Skip it.
+                       continue; // Unchanged. Skip it.

 
                b[c].sid = walk_session_number;
 
                b[c].sid = walk_session_number;

-               b[c].in = sess_local[walk_session_number].cin;
-               b[c].out = sess_local[walk_session_number].cout;
-
-               if (++c > MAX_B_RECS)   // Send a max of 400 elements in a packet.
-                       break;
+               b[c].pin = sess_local[walk_session_number].pin;
+               b[c].pout = sess_local[walk_session_number].pout;
+               b[c].cin = sess_local[walk_session_number].cin;
+               b[c].cout = sess_local[walk_session_number].cout;

 
                        // Reset counters.
 
                        // Reset counters.

+               sess_local[walk_session_number].pin = sess_local[walk_session_number].pout = 0;

                sess_local[walk_session_number].cin = sess_local[walk_session_number].cout = 0;
                sess_local[walk_session_number].cin = sess_local[walk_session_number].cout = 0;

+
+               if (++c > MAX_B_RECS)   // Send a max of 600 elements in a packet.
+                       break;

        }
 
        if (!c)         // Didn't find any that changes. Get out of here!
        }
 
        if (!c)         // Didn't find any that changes. Get out of here!


@@ -527,6 +536,10 @@ void cluster_check_master(void)
 
        LOG(0, 0, 0, "Master timed out! Holding election...\n");
 
 
        LOG(0, 0, 0, "Master timed out! Holding election...\n");
 

+       // In the process of shutting down, can't be master
+       if (main_quit)
+               return;
+

        for (i = have_peers = 0; i < num_peers; i++)
        {
                if ((peers[i].timestamp + config->cluster_hb_timeout) < t)
        for (i = have_peers = 0; i < num_peers; i++)
        {
                if ((peers[i].timestamp + config->cluster_hb_timeout) < t)


@@ -610,13 +623,17 @@ void cluster_check_master(void)
                        // Reset die relative to our uptime rather than the old master's
                if (session[i].die) session[i].die = TIME;
 
                        // Reset die relative to our uptime rather than the old master's
                if (session[i].die) session[i].die = TIME;
 

-                       // Accumulate un-sent byte counters.
-               session[i].cin += sess_local[i].cin;
-               session[i].cout += sess_local[i].cout;
-               session[i].total_cin += sess_local[i].cin;
-               session[i].total_cout += sess_local[i].cout;
+                       // Accumulate un-sent byte/packet counters.
+               increment_counter(&session[i].cin, &session[i].cin_wrap, sess_local[i].cin);
+               increment_counter(&session[i].cout, &session[i].cout_wrap, sess_local[i].cout);
+               session[i].cin_delta += sess_local[i].cin;
+               session[i].cout_delta += sess_local[i].cout;
+
+               session[i].pin += sess_local[i].pin;
+               session[i].pout += sess_local[i].pout;

 
                sess_local[i].cin = sess_local[i].cout = 0;
 
                sess_local[i].cin = sess_local[i].cout = 0;

+               sess_local[i].pin = sess_local[i].pout = 0;

 
                sess_local[i].radius = 0;       // Reset authentication as the radius blocks aren't up to date.
 
 
                sess_local[i].radius = 0;       // Reset authentication as the radius blocks aren't up to date.
 


@@ -1078,13 +1095,16 @@ static int cluster_handle_bytes(char *data, int size)
                        return -1; /* Abort processing */
                }
 
                        return -1; /* Abort processing */
                }
 

-               session[b->sid].total_cin += b->in;
-               session[b->sid].total_cout += b->out;
+               session[b->sid].pin += b->pin;
+               session[b->sid].pout += b->pout;
+
+               increment_counter(&session[b->sid].cin, &session[b->sid].cin_wrap, b->cin);
+               increment_counter(&session[b->sid].cout, &session[b->sid].cout_wrap, b->cout);

 
 

-               session[b->sid].cin += b->in;
-               session[b->sid].cout += b->out;
+               session[b->sid].cin_delta += b->cin;
+               session[b->sid].cout_delta += b->cout;

 
 

-               if (b->in)
+               if (b->cin)

                        session[b->sid].last_packet = time_now; // Reset idle timer!
 
                size -= sizeof(*b);
                        session[b->sid].last_packet = time_now; // Reset idle timer!
 
                size -= sizeof(*b);


@@ -1223,12 +1243,12 @@ static uint8_t *convert_session(struct oldsession *old)
        new.nr = old->nr;
        new.ns = old->ns;
        new.magic = old->magic;
        new.nr = old->nr;
        new.ns = old->ns;
        new.magic = old->magic;

-       new.cin = old->cin;
-       new.cout = old->cout;

        new.pin = old->pin;
        new.pout = old->pout;
        new.pin = old->pin;
        new.pout = old->pout;

-       new.total_cin = old->total_cin;
-       new.total_cout = old->total_cout;
+       new.cin = old->total_cin;
+       new.cout = old->total_cout;
+       new.cin_delta = old->cin;
+       new.cout_delta = old->cout;

        new.throttle_in = old->throttle_in;
        new.throttle_out = old->throttle_out;
        new.filter_in = old->filter_in;
        new.throttle_in = old->throttle_in;
        new.throttle_out = old->throttle_out;
        new.filter_in = old->filter_in;


@@ -1360,6 +1380,7 @@ static int cluster_process_heartbeat(uint8_t *data, int size, int more, uint8_t
                config->cluster_seq_number = h->seq;
 
        config->cluster_last_hb = TIME; // Reset to ensure that we don't become master!!
                config->cluster_seq_number = h->seq;
 
        config->cluster_last_hb = TIME; // Reset to ensure that we don't become master!!

+       config->cluster_last_hb_ver = hb_ver; // remember what cluster version the master is using

 
        if (config->cluster_seq_number != h->seq) {     // Out of sequence heartbeat!
                static int lastseen_seq = 0;
 
        if (config->cluster_seq_number != h->seq) {     // Out of sequence heartbeat!
                static int lastseen_seq = 0;

diff --git a/cluster.h b/cluster.h
index 63fbc77..317875a 100644 (file)
--- a/cluster.h
+++ b/cluster.h
@@ -1,5 +1,5 @@
 // L2TPNS Clustering Stuff
 // L2TPNS Clustering Stuff

-// $Id: cluster.h,v 1.11 2005/05/26 12:17:30 bodea Exp $
+// $Id: cluster.h,v 1.12 2005/06/02 11:32:30 bodea Exp $

 
 #ifndef __CLUSTER_H__
 #define __CLUSTER_H__
 
 #ifndef __CLUSTER_H__
 #define __CLUSTER_H__


@@ -57,8 +57,10 @@ typedef struct {
 typedef struct {               /* Used to update byte counters on the */
                                /* master. */
        uint32_t sid;
 typedef struct {               /* Used to update byte counters on the */
                                /* master. */
        uint32_t sid;

-       uint32_t in;
-       uint32_t out;
+       uint32_t pin;
+       uint32_t pout;
+       uint32_t cin;
+       uint32_t cout;

 } bytest;
 
 typedef struct {
 } bytest;
 
 typedef struct {

diff --git a/garden.c b/garden.c
index 97a36b0..b352e7b 100644 (file)
--- a/garden.c
+++ b/garden.c
@@ -9,7 +9,7 @@
 
 /* walled garden */
 
 
 /* walled garden */
 

-char const *cvs_id = "$Id: garden.c,v 1.22 2005/05/07 08:17:25 bodea Exp $";
+char const *cvs_id = "$Id: garden.c,v 1.23 2005/06/02 11:32:30 bodea Exp $";

 
 int plugin_api_version = PLUGIN_API_VERSION;
 static struct pluginfuncs *p = 0;
 
 int plugin_api_version = PLUGIN_API_VERSION;
 static struct pluginfuncs *p = 0;


@@ -206,8 +206,10 @@ int garden_session(sessiont *s, int flag, char *newuser)
                        p->sessionkill(other, "Duplicate session when user released from walled garden");
                }
                /* Clean up counters */
                        p->sessionkill(other, "Duplicate session when user released from walled garden");
                }
                /* Clean up counters */

-               s->cin = s->cout = 0;

                s->pin = s->pout = 0;
                s->pin = s->pout = 0;

+               s->cin = s->cout = 0;
+               s->cin_delta = s->cout_delta = 0;
+               s->cin_wrap = s->cout_wrap = 0;

 
                snprintf(cmd, sizeof(cmd), "iptables -t nat -D garden_users -s %s -j garden", p->fmtaddr(htonl(s->ip), 0));
                p->log(3, sess, s->tunnel, "%s\n", cmd);
 
                snprintf(cmd, sizeof(cmd), "iptables -t nat -D garden_users -s %s -j garden", p->fmtaddr(htonl(s->ip), 0));
                p->log(3, sess, s->tunnel, "%s\n", cmd);

diff --git a/l2tpns.c b/l2tpns.c
index 5ba7fe9..1489318 100644 (file)
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -4,7 +4,7 @@
 // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
 // vim: sw=8 ts=8
 
 // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
 // vim: sw=8 ts=8
 

-char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.106 2005/06/02 04:04:07 bodea Exp $";
+char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.107 2005/06/02 11:32:30 bodea Exp $";

 
 #include <arpa/inet.h>
 #include <assert.h>
 
 #include <arpa/inet.h>
 #include <assert.h>


@@ -90,7 +90,7 @@ uint32_t eth_tx = 0;
 static uint32_t ip_pool_size = 1;      // Size of the pool of addresses used for dynamic address allocation.
 time_t time_now = 0;                   // Current time in seconds since epoch.
 static char time_now_string[64] = {0}; // Current time as a string.
 static uint32_t ip_pool_size = 1;      // Size of the pool of addresses used for dynamic address allocation.
 time_t time_now = 0;                   // Current time in seconds since epoch.
 static char time_now_string[64] = {0}; // Current time as a string.

-static char main_quit = 0;             // True if we're in the process of exiting.
+char main_quit = 0;                    // True if we're in the process of exiting.

 linked_list *loaded_plugins;
 linked_list *plugins[MAX_PLUGIN_TYPES];
 
 linked_list *loaded_plugins;
 linked_list *plugins[MAX_PLUGIN_TYPES];
 


@@ -122,7 +122,6 @@ config_descriptt config_values[] = {
        CONFIG("accounting_dir", accounting_dir, STRING),
        CONFIG("setuid", target_uid, INT),
        CONFIG("dump_speed", dump_speed, BOOL),
        CONFIG("accounting_dir", accounting_dir, STRING),
        CONFIG("setuid", target_uid, INT),
        CONFIG("dump_speed", dump_speed, BOOL),

-       CONFIG("cleanup_interval", cleanup_interval, INT),

        CONFIG("multi_read_count", multi_read_count, INT),
        CONFIG("scheduler_fifo", scheduler_fifo, BOOL),
        CONFIG("lock_pages", lock_pages, BOOL),
        CONFIG("multi_read_count", multi_read_count, INT),
        CONFIG("scheduler_fifo", scheduler_fifo, BOOL),
        CONFIG("lock_pages", lock_pages, BOOL),


@@ -191,11 +190,15 @@ static void processcontrol(uint8_t *buf, int len, struct sockaddr_in *addr, int
 static tunnelidt new_tunnel(void);
 static void unhide_value(uint8_t *value, size_t len, uint16_t type, uint8_t *vector, size_t vec_len);
 
 static tunnelidt new_tunnel(void);
 static void unhide_value(uint8_t *value, size_t len, uint16_t type, uint8_t *vector, size_t vec_len);
 

-// return internal time (10ths since process startup)
-static clockt now(void)
+// on slaves, alow BGP to withdraw cleanly before exiting
+#define QUIT_DELAY     5
+
+// return internal time (10ths since process startup), set f if given
+static clockt now(double *f)

 {
        struct timeval t;
        gettimeofday(&t, 0);
 {
        struct timeval t;
        gettimeofday(&t, 0);

+       if (f) *f = t.tv_sec + t.tv_usec / 1000000.0;

        return (t.tv_sec - basetime) * 10 + t.tv_usec / 100000 + 1;
 }
 
        return (t.tv_sec - basetime) * 10 + t.tv_usec / 100000 + 1;
 }
 


@@ -205,7 +208,7 @@ static clockt now(void)
 clockt backoff(uint8_t try)
 {
        if (try > 5) try = 5;                  // max backoff
 clockt backoff(uint8_t try)
 {
        if (try > 5) try = 5;                  // max backoff

-       return now() + 10 * (1 << try);
+       return now(NULL) + 10 * (1 << try);

 }
 
 
 }
 
 


@@ -299,6 +302,16 @@ void _log_hex(int level, const char *title, const char *data, int maxsize)
        }
 }
 
        }
 }
 

+// update a counter, accumulating 2^32 wraps
+void increment_counter(uint32_t *counter, uint32_t *wrap, uint32_t delta)
+{
+       uint32_t new = *counter + delta;
+       if (new < *counter)
+               (*wrap)++;
+
+       *counter = new;
+}
+

 // initialise the random generator
 static void initrandom(char *source)
 {
 // initialise the random generator
 static void initrandom(char *source)
 {


@@ -1078,11 +1091,13 @@ static void processipout(uint8_t * buf, int len)
        if (sp->snoop_ip && sp->snoop_port)
                snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
 
        if (sp->snoop_ip && sp->snoop_port)
                snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
 

-       sp->cout += len; // byte count
-       sp->total_cout += len; // byte count
+       increment_counter(&sp->cout, &sp->cout_wrap, len); // byte count
+       sp->cout_delta += len;

        sp->pout++;
        udp_tx += len;
        sp->pout++;
        udp_tx += len;

+

        sess_local[s].cout += len;      // To send to master..
        sess_local[s].cout += len;      // To send to master..

+       sess_local[s].pout++;

 }
 
 // process outgoing (to tunnel) IPv6
 }
 
 // process outgoing (to tunnel) IPv6


@@ -1187,11 +1202,13 @@ static void processipv6out(uint8_t * buf, int len)
        if (sp->snoop_ip && sp->snoop_port)
                snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
 
        if (sp->snoop_ip && sp->snoop_port)
                snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
 

-       sp->cout += len; // byte count
-       sp->total_cout += len; // byte count
+       increment_counter(&sp->cout, &sp->cout_wrap, len); // byte count
+       sp->cout_delta += len;

        sp->pout++;
        udp_tx += len;
        sp->pout++;
        udp_tx += len;

+

        sess_local[s].cout += len;      // To send to master..
        sess_local[s].cout += len;      // To send to master..

+       sess_local[s].pout++;

 }
 
 //
 }
 
 //


@@ -1237,11 +1254,13 @@ static void send_ipout(sessionidt s, uint8_t *buf, int len)
        if (sp->snoop_ip && sp->snoop_port)
                snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
 
        if (sp->snoop_ip && sp->snoop_port)
                snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
 

-       sp->cout += len; // byte count
-       sp->total_cout += len; // byte count
+       increment_counter(&sp->cout, &sp->cout_wrap, len); // byte count
+       sp->cout_delta += len;

        sp->pout++;
        udp_tx += len;
        sp->pout++;
        udp_tx += len;

+

        sess_local[s].cout += len;      // To send to master..
        sess_local[s].cout += len;      // To send to master..

+       sess_local[s].pout++;

 }
 
 // add an AVP (16 bit)
 }
 
 // add an AVP (16 bit)


@@ -2552,42 +2571,61 @@ static void processtun(uint8_t * buf, int len)
        // Else discard.
 }
 
        // Else discard.
 }
 

-//
-// Maximum number of actions to complete.
-// This is to avoid sending out too many packets
-// at once.
-#define MAX_ACTIONS 500
-
-static int regular_cleanups(void)
+// Handle retries, timeouts.  Runs every 1/10th sec, want to ensure
+// that we look at the whole of the tunnel, radius and session tables
+// every second
+static void regular_cleanups(double period)

 {
 {

-       static sessionidt s = 0;        // Next session to check for actions on.
-       tunnelidt t;
-       int count=0,i;
-       uint16_t r;
-       static clockt next_acct = 0;
-       static clockt next_shut_acct = 0;
+       // Next tunnel, radius and session to check for actions on.
+       static tunnelidt t = 0;
+       static int r = 0;
+       static sessionidt s = 0;
+
+       int t_actions = 0;
+       int r_actions = 0;
+       int s_actions = 0;
+
+       int t_slice;
+       int r_slice;
+       int s_slice;
+
+       int i;

        int a;
 
        int a;
 

-       LOG(3, 0, 0, "Begin regular cleanup\n");
+       // divide up tables into slices based on the last run
+       t_slice = config->cluster_highest_tunnelid  * period;
+       r_slice = (MAXRADIUS - 1)                   * period;
+       s_slice = config->cluster_highest_sessionid * period;

 
 

-       for (r = 1; r < MAXRADIUS; r++)
-       {
-               if (!radius[r].state)
-                       continue;
-               if (radius[r].retry)
-               {
-                       if (radius[r].retry <= TIME)
-                               radiusretry(r);
-               } else
-                       radius[r].retry = backoff(radius[r].try+1);     // Is this really needed? --mo
-       }
-       for (t = 1; t <= config->cluster_highest_tunnelid; t++)
+       if (t_slice < 1)
+           t_slice = 1;
+       else if (t_slice > config->cluster_highest_tunnelid)
+           t_slice = config->cluster_highest_tunnelid;
+
+       if (r_slice < 1)
+           r_slice = 1;
+       else if (r_slice > (MAXRADIUS - 1))
+           r_slice = MAXRADIUS - 1;
+
+       if (s_slice < 1)
+           s_slice = 1;
+       else if (s_slice > config->cluster_highest_sessionid)
+           s_slice = config->cluster_highest_sessionid;
+
+       LOG(4, 0, 0, "Begin regular cleanup (last %f seconds ago)\n", period);
+
+       for (i = 0; i < t_slice; i++)

        {
        {

+               t++;
+               if (t > config->cluster_highest_tunnelid)
+                       t = 1;
+

                // check for expired tunnels
                if (tunnel[t].die && tunnel[t].die <= TIME)
                {
                        STAT(tunnel_timeout);
                        tunnelkill(t, "Expired");
                // check for expired tunnels
                if (tunnel[t].die && tunnel[t].die <= TIME)
                {
                        STAT(tunnel_timeout);
                        tunnelkill(t, "Expired");

+                       t_actions++;

                        continue;
                }
                // check for message resend
                        continue;
                }
                // check for message resend


@@ -2607,6 +2645,8 @@ static int regular_cleanups(void)
                                                tunnelsend(c->buf, c->length, t);
                                                c = c->next;
                                        }
                                                tunnelsend(c->buf, c->length, t);
                                                c = c->next;
                                        }

+
+                               t_actions++;

                        }
                }
                // Send hello
                        }
                }
                // Send hello


@@ -2615,6 +2655,7 @@ static int regular_cleanups(void)
                        controlt *c = controlnew(6); // sending HELLO
                        controladd(c, t, 0); // send the message
                        LOG(3, 0, t, "Sending HELLO message\n");
                        controlt *c = controlnew(6); // sending HELLO
                        controladd(c, t, 0); // send the message
                        LOG(3, 0, t, "Sending HELLO message\n");

+                       t_actions++;

                }
 
                // Check for tunnel changes requested from the CLI
                }
 
                // Check for tunnel changes requested from the CLI


@@ -2625,13 +2666,28 @@ static int regular_cleanups(void)
                        {
                                LOG(2, 0, t, "Dropping tunnel by CLI\n");
                                tunnelshutdown(t, "Requested by administrator", 1, 0, 0);
                        {
                                LOG(2, 0, t, "Dropping tunnel by CLI\n");
                                tunnelshutdown(t, "Requested by administrator", 1, 0, 0);

+                               t_actions++;

                        }
                }
                        }
                }

+       }
+
+       for (i = 0; i < r_slice; i++)
+       {
+               r++;
+               if (r >= MAXRADIUS)
+                       r = 1;
+
+               if (!radius[r].state)
+                       continue;

 
 

+               if (radius[r].retry <= TIME)
+               {
+                       radiusretry(r);
+                       r_actions++;
+               }

        }
 
        }
 

-       count = 0;
-       for (i = 1; i <= config->cluster_highest_sessionid; i++)
+       for (i = 0; i < s_slice; i++)

        {
                s++;
                if (s > config->cluster_highest_sessionid)
        {
                s++;
                if (s > config->cluster_highest_sessionid)


@@ -2646,7 +2702,7 @@ static int regular_cleanups(void)
                        if (session[s].die <= TIME)
                        {
                                sessionkill(s, "Expired");
                        if (session[s].die <= TIME)
                        {
                                sessionkill(s, "Expired");

-                               if (++count >= MAX_ACTIONS) break;
+                               s_actions++;

                        }
                        continue;
                }
                        }
                        continue;
                }


@@ -2656,6 +2712,7 @@ static int regular_cleanups(void)
                        // IPCP has not completed yet. Resend
                        LOG(3, s, session[s].tunnel, "No ACK for initial IPCP ConfigReq... resending\n");
                        sendipcp(session[s].tunnel, s);
                        // IPCP has not completed yet. Resend
                        LOG(3, s, session[s].tunnel, "No ACK for initial IPCP ConfigReq... resending\n");
                        sendipcp(session[s].tunnel, s);

+                       s_actions++;

                }
 
                // Drop sessions who have not responded within IDLE_TIMEOUT seconds
                }
 
                // Drop sessions who have not responded within IDLE_TIMEOUT seconds


@@ -2663,7 +2720,7 @@ static int regular_cleanups(void)
                {
                        sessionshutdown(s, "No response to LCP ECHO requests.", 3, 0);
                        STAT(session_timeout);
                {
                        sessionshutdown(s, "No response to LCP ECHO requests.", 3, 0);
                        STAT(session_timeout);

-                       if (++count >= MAX_ACTIONS) break;
+                       s_actions++;

                        continue;
                }
 
                        continue;
                }
 


@@ -2683,7 +2740,7 @@ static int regular_cleanups(void)
                        LOG(4, s, session[s].tunnel, "No data in %d seconds, sending LCP ECHO\n",
                                        (int)(time_now - session[s].last_packet));
                        tunnelsend(b, 24, session[s].tunnel); // send it
                        LOG(4, s, session[s].tunnel, "No data in %d seconds, sending LCP ECHO\n",
                                        (int)(time_now - session[s].last_packet));
                        tunnelsend(b, 24, session[s].tunnel); // send it

-                       if (++count >= MAX_ACTIONS) break;
+                       s_actions++;

                }
 
                // Check for actions requested from the CLI
                }
 
                // Check for actions requested from the CLI


@@ -2697,6 +2754,7 @@ static int regular_cleanups(void)
                                LOG(2, s, session[s].tunnel, "Dropping session by CLI\n");
                                sessionshutdown(s, "Requested by administrator.", 3, 0);
                                a = 0; // dead, no need to check for other actions
                                LOG(2, s, session[s].tunnel, "Dropping session by CLI\n");
                                sessionshutdown(s, "Requested by administrator.", 3, 0);
                                a = 0; // dead, no need to check for other actions

+                               s_actions++;

                        }
 
                        if (a & CLI_SESS_NOSNOOP)
                        }
 
                        if (a & CLI_SESS_NOSNOOP)


@@ -2704,6 +2762,7 @@ static int regular_cleanups(void)
                                LOG(2, s, session[s].tunnel, "Unsnooping session by CLI\n");
                                session[s].snoop_ip = 0;
                                session[s].snoop_port = 0;
                                LOG(2, s, session[s].tunnel, "Unsnooping session by CLI\n");
                                session[s].snoop_ip = 0;
                                session[s].snoop_port = 0;

+                               s_actions++;

                                send++;
                        }
                        else if (a & CLI_SESS_SNOOP)
                                send++;
                        }
                        else if (a & CLI_SESS_SNOOP)


@@ -2714,6 +2773,7 @@ static int regular_cleanups(void)
 
                                session[s].snoop_ip = cli_session_actions[s].snoop_ip;
                                session[s].snoop_port = cli_session_actions[s].snoop_port;
 
                                session[s].snoop_ip = cli_session_actions[s].snoop_ip;
                                session[s].snoop_port = cli_session_actions[s].snoop_port;

+                               s_actions++;

                                send++;
                        }
 
                                send++;
                        }
 


@@ -2721,6 +2781,7 @@ static int regular_cleanups(void)
                        {
                                LOG(2, s, session[s].tunnel, "Un-throttling session by CLI\n");
                                throttle_session(s, 0, 0);
                        {
                                LOG(2, s, session[s].tunnel, "Un-throttling session by CLI\n");
                                throttle_session(s, 0, 0);

+                               s_actions++;

                                send++;
                        }
                        else if (a & CLI_SESS_THROTTLE)
                                send++;
                        }
                        else if (a & CLI_SESS_THROTTLE)


@@ -2730,6 +2791,7 @@ static int regular_cleanups(void)
                                    cli_session_actions[s].throttle_out);
 
                                throttle_session(s, cli_session_actions[s].throttle_in, cli_session_actions[s].throttle_out);
                                    cli_session_actions[s].throttle_out);
 
                                throttle_session(s, cli_session_actions[s].throttle_in, cli_session_actions[s].throttle_out);

+                               s_actions++;

                                send++;
                        }
 
                                send++;
                        }
 


@@ -2737,6 +2799,7 @@ static int regular_cleanups(void)
                        {
                                LOG(2, s, session[s].tunnel, "Un-filtering session by CLI\n");
                                filter_session(s, 0, 0);
                        {
                                LOG(2, s, session[s].tunnel, "Un-filtering session by CLI\n");
                                filter_session(s, 0, 0);

+                               s_actions++;

                                send++;
                        }
                        else if (a & CLI_SESS_FILTER)
                                send++;
                        }
                        else if (a & CLI_SESS_FILTER)


@@ -2746,13 +2809,12 @@ static int regular_cleanups(void)
                                    cli_session_actions[s].filter_out);
 
                                filter_session(s, cli_session_actions[s].filter_in, cli_session_actions[s].filter_out);
                                    cli_session_actions[s].filter_out);
 
                                filter_session(s, cli_session_actions[s].filter_in, cli_session_actions[s].filter_out);

+                               s_actions++;

                                send++;
                        }
 
                        if (send)
                                cluster_send_session(s);
                                send++;
                        }
 
                        if (send)
                                cluster_send_session(s);

-
-                       if (++count >= MAX_ACTIONS) break;

                }
 
                // RADIUS interim accounting
                }
 
                // RADIUS interim accounting


@@ -2773,38 +2835,14 @@ static int regular_cleanups(void)
 
                        radiussend(r, RADIUSINTERIM);
                        sess_local[s].last_interim = time_now;
 
                        radiussend(r, RADIUSINTERIM);
                        sess_local[s].last_interim = time_now;

-
-                       if (++count >= MAX_ACTIONS)
-                               break;
-               }
-       }
-
-       if (*config->accounting_dir)
-       {
-               if (next_acct <= TIME)
-               {
-                       // Dump accounting data
-                       next_acct = TIME + ACCT_TIME;
-                       next_shut_acct = TIME + ACCT_SHUT_TIME;
-                       dump_acct_info(1);
-               }
-               else if (next_shut_acct <= TIME)
-               {
-                       // Dump accounting data for shutdown sessions
-                       next_shut_acct = TIME + ACCT_SHUT_TIME;
-                       if (shut_acct_n)
-                               dump_acct_info(0);
+                       s_actions++;

                }
        }
 
                }
        }
 

-       if (count >= MAX_ACTIONS)
-               return 1;       // Didn't finish!
-
-       LOG(3, 0, 0, "End regular cleanup (%d actions), next in %d seconds\n", count, config->cleanup_interval);
-       return 0;
+       LOG(4, 0, 0, "End regular cleanup: checked %d/%d/%d tunnels/radius/sessions; %d/%d/%d actions\n",
+               t_slice, r_slice, s_slice, t_actions, r_actions, s_actions);

 }
 
 }
 

-

 //
 // Are we in the middle of a tunnel update, or radius
 // requests??
 //
 // Are we in the middle of a tunnel update, or radius
 // requests??


@@ -2812,8 +2850,39 @@ static int regular_cleanups(void)
 static int still_busy(void)
 {
        int i;
 static int still_busy(void)
 {
        int i;

+       static time_t stopped_bgp = 0;

        static clockt last_talked = 0;
        static clockt start_busy_wait = 0;
        static clockt last_talked = 0;
        static clockt start_busy_wait = 0;

+
+       if (!config->cluster_iam_master)
+       {
+#ifdef BGP
+               if (bgp_configured)
+               {
+                       if (!stopped_bgp)
+                       {
+                               LOG(1, 0, 0, "Shutting down in %d seconds, stopping BGP...\n", QUIT_DELAY);
+
+                               for (i = 0; i < BGP_NUM_PEERS; i++)
+                                       if (bgp_peers[i].state == Established)
+                                               bgp_stop(&bgp_peers[i]);
+
+                               stopped_bgp = time_now;
+
+                               // we don't want to become master
+                               cluster_send_ping(0);
+
+                               return 1;
+                       }
+
+                       if (time_now < (stopped_bgp + QUIT_DELAY))
+                               return 1;
+               }
+#endif /* BGP */
+
+               return 0;
+       }
+

        if (start_busy_wait == 0)
                start_busy_wait = TIME;
 
        if (start_busy_wait == 0)
                start_busy_wait = TIME;
 


@@ -2865,7 +2934,6 @@ static void mainloop(void)
        uint8_t buf[65536];
        struct timeval to;
        clockt next_cluster_ping = 0;   // send initial ping immediately
        uint8_t buf[65536];
        struct timeval to;
        clockt next_cluster_ping = 0;   // send initial ping immediately

-       time_t next_clean = time_now + config->cleanup_interval;

 
        LOG(4, 0, 0, "Beginning of main loop.  udpfd=%d, tunfd=%d, cluster_sockfd=%d, controlfd=%d\n",
                udpfd, tunfd, cluster_sockfd, controlfd);
 
        LOG(4, 0, 0, "Beginning of main loop.  udpfd=%d, tunfd=%d, cluster_sockfd=%d, controlfd=%d\n",
                udpfd, tunfd, cluster_sockfd, controlfd);


@@ -2890,6 +2958,7 @@ static void mainloop(void)
                fd_set w;
                int bgp_set[BGP_NUM_PEERS];
 #endif /* BGP */
                fd_set w;
                int bgp_set[BGP_NUM_PEERS];
 #endif /* BGP */

+               int more = 0;

 
                if (config->reload_config)
                {
 
                if (config->reload_config)
                {


@@ -2928,7 +2997,7 @@ static void mainloop(void)
 
                STAT(select_called);
 
 
                STAT(select_called);
 

-               TIME = now();
+               TIME = now(NULL);

                if (n < 0)
                {
                        if (errno == EINTR ||
                if (n < 0)
                {
                        if (errno == EINTR ||


@@ -3055,6 +3124,7 @@ static void mainloop(void)
                                        config->multi_read_count, udp_pkts, tun_pkts, cluster_pkts);
 
                                STAT(multi_read_exceeded);
                                        config->multi_read_count, udp_pkts, tun_pkts, cluster_pkts);
 
                                STAT(multi_read_exceeded);

+                               more++;

                        }
                }
 
                        }
                }
 


@@ -3077,9 +3147,11 @@ static void mainloop(void)
                                next_cluster_ping = TIME + config->cluster_hb_interval;
                }
 
                                next_cluster_ping = TIME + config->cluster_hb_interval;
                }
 

+               if (!config->cluster_iam_master)
+                       continue;
+

                        // Run token bucket filtering queue..
                        // Only run it every 1/10th of a second.
                        // Run token bucket filtering queue..
                        // Only run it every 1/10th of a second.

-                       // Runs on all machines both master and slave.

                {
                        static clockt last_run = 0;
                        if (last_run != TIME)
                {
                        static clockt last_run = 0;
                        if (last_run != TIME)


@@ -3089,20 +3161,42 @@ static void mainloop(void)
                        }
                }
 
                        }
                }
 

-               /* Handle timeouts. Make sure that this gets run anyway, even if there was
-                * something to read, else under load this will never actually run....
-                *
-                */
-               if (config->cluster_iam_master && next_clean <= time_now)
+                       // Handle timeouts, retries etc.

                {
                {

-                       if (regular_cleanups())
+                       static double last_clean = 0;
+                       double this_clean;
+                       double diff;
+
+                       TIME = now(&this_clean);
+                       diff = this_clean - last_clean;
+
+                       // Run during idle time (after we've handled
+                       // all incoming packets) or every 1/10th sec
+                       if (!more || diff > 0.1)

                        {
                        {

-                               // Did it finish?
-                               next_clean = time_now + 1 ;     // Didn't finish. Check quickly.
+                               regular_cleanups(diff);
+                               last_clean = this_clean;

                        }
                        }

-                       else
+               }
+
+               if (*config->accounting_dir)
+               {
+                       static clockt next_acct = 0;
+                       static clockt next_shut_acct = 0;
+
+                       if (next_acct <= TIME)
+                       {
+                               // Dump accounting data
+                               next_acct = TIME + ACCT_TIME;
+                               next_shut_acct = TIME + ACCT_SHUT_TIME;
+                               dump_acct_info(1);
+                       }
+                       else if (next_shut_acct <= TIME)

                        {
                        {

-                               next_clean = time_now + config->cleanup_interval; // Did. Move to next interval.
+                               // Dump accounting data for shutdown sessions
+                               next_shut_acct = TIME + ACCT_SHUT_TIME;
+                               if (shut_acct_n)
+                                       dump_acct_info(0);

                        }
                }
        }
                        }
                }
        }


@@ -3117,6 +3211,7 @@ static void mainloop(void)
 
        //
        // Important!!! We MUST not process any packets past this point!
 
        //
        // Important!!! We MUST not process any packets past this point!

+       LOG(1, 0, 0, "Clean shutdown complete\n");

 }
 
 static void stripdomain(char *host)
 }
 
 static void stripdomain(char *host)


@@ -3591,7 +3686,7 @@ void snoop_send_packet(char *packet, uint16_t size, in_addr_t destination, uint1
 
 static int dump_session(FILE **f, sessiont *s)
 {
 
 static int dump_session(FILE **f, sessiont *s)
 {

-       if (!s->opened || !s->ip || !(s->cin || s->cout) || !*s->user || s->walled_garden)
+       if (!s->opened || !s->ip || !(s->cin_delta || s->cout_delta) || !*s->user || s->walled_garden)

                return 1;
 
        if (!*f)
                return 1;
 
        if (!*f)


@@ -3625,11 +3720,10 @@ static int dump_session(FILE **f, sessiont *s)
                s->user,                                                // username
                fmtaddr(htonl(s->ip), 0),                               // ip
                (s->throttle_in || s->throttle_out) ? 2 : 1,            // qos
                s->user,                                                // username
                fmtaddr(htonl(s->ip), 0),                               // ip
                (s->throttle_in || s->throttle_out) ? 2 : 1,            // qos

-               (uint32_t) s->cin,                                      // uptxoctets
-               (uint32_t) s->cout);                                    // downrxoctets
+               (uint32_t) s->cin_delta,                                // uptxoctets
+               (uint32_t) s->cout_delta);                              // downrxoctets

 
 

-       s->pin = s->cin = 0;
-       s->pout = s->cout = 0;
+       s->cin_delta = s->cout_delta = 0;

 
        return 1;
 }
 
        return 1;
 }


@@ -3800,14 +3894,6 @@ int main(int argc, char *argv[])
 
        mainloop();
 
 
        mainloop();
 

-#ifdef BGP
-       /* try to shut BGP down cleanly; with luck the sockets will be
-          writable since we're out of the select */
-       for (i = 0; i < BGP_NUM_PEERS; i++)
-               if (bgp_peers[i].state == Established)
-                       bgp_stop(&bgp_peers[i]);
-#endif /* BGP */
-

        /* remove plugins (so cleanup code gets run) */
        plugins_done();
 
        /* remove plugins (so cleanup code gets run) */
        plugins_done();
 


@@ -4084,7 +4170,6 @@ static void update_config()
        }
 
        memcpy(config->old_plugins, config->plugins, sizeof(config->plugins));
        }
 
        memcpy(config->old_plugins, config->plugins, sizeof(config->plugins));

-       if (!config->cleanup_interval) config->cleanup_interval = 10;

        if (!config->multi_read_count) config->multi_read_count = 10;
        if (!config->cluster_address) config->cluster_address = inet_addr(DEFAULT_MCAST_ADDR);
        if (!*config->cluster_interface)
        if (!config->multi_read_count) config->multi_read_count = 10;
        if (!config->cluster_address) config->cluster_address = inet_addr(DEFAULT_MCAST_ADDR);
        if (!*config->cluster_interface)

diff --git a/l2tpns.h b/l2tpns.h
index 056becb..724a959 100644 (file)
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,5 +1,5 @@
 // L2TPNS Global Stuff
 // L2TPNS Global Stuff

-// $Id: l2tpns.h,v 1.74 2005/06/02 04:04:07 bodea Exp $
+// $Id: l2tpns.h,v 1.75 2005/06/02 11:32:31 bodea Exp $

 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__
 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__


@@ -173,10 +173,10 @@ typedef struct
        uint16_t nr;                    // next receive
        uint16_t ns;                    // next send
        uint32_t magic;                 // ppp magic number
        uint16_t nr;                    // next receive
        uint16_t ns;                    // next send
        uint32_t magic;                 // ppp magic number

-       uint32_t cin, cout;             // byte counts

        uint32_t pin, pout;             // packet counts
        uint32_t pin, pout;             // packet counts

-       uint32_t total_cin;             // This counter is never reset while a session is open
-       uint32_t total_cout;            // This counter is never reset while a session is open
+       uint32_t cin, cout;             // byte counts
+       uint32_t cin_wrap, cout_wrap;   // byte counter wrap count (RADIUS accounting giagawords)
+       uint32_t cin_delta, cout_delta; // byte count changes (for dump_session())

        uint16_t throttle_in;           // upstream throttle rate (kbps)
        uint16_t throttle_out;          // downstream throttle rate
        uint8_t filter_in;              // input filter index (to ip_filters[N-1]; 0 if none)
        uint16_t throttle_in;           // upstream throttle rate (kbps)
        uint16_t throttle_out;          // downstream throttle rate
        uint8_t filter_in;              // input filter index (to ip_filters[N-1]; 0 if none)


@@ -201,7 +201,7 @@ typedef struct
        uint8_t walled_garden;          // is this session gardened?
        uint8_t ipv6prefixlen;          // IPv6 route prefix length
        struct in6_addr ipv6route;      // Static IPv6 route
        uint8_t walled_garden;          // is this session gardened?
        uint8_t ipv6prefixlen;          // IPv6 route prefix length
        struct in6_addr ipv6route;      // Static IPv6 route

-       char reserved[24];              // Space to expand structure without changing HB_VERSION
+       char reserved[16];              // Space to expand structure without changing HB_VERSION

 }
 sessiont;
 
 }
 sessiont;
 


@@ -217,6 +217,10 @@ sessiont;
 
 typedef struct
 {
 
 typedef struct
 {

+       // packet counters
+       uint32_t pin;
+       uint32_t pout;
+

        // byte counters
        uint32_t cin;
        uint32_t cout;
        // byte counters
        uint32_t cin;
        uint32_t cout;


@@ -437,7 +441,6 @@ typedef struct
 
        char            config_file[128];
        int             reload_config;                  // flag to re-read config (set by cli)
 
        char            config_file[128];
        int             reload_config;                  // flag to re-read config (set by cli)

-       int             cleanup_interval;               // interval between regular cleanups (in seconds)

        int             multi_read_count;               // amount of packets to read per fd in processing loop
 
        char            tundevice[10];                  // tun device name
        int             multi_read_count;               // amount of packets to read per fd in processing loop
 
        char            tundevice[10];                  // tun device name


@@ -496,6 +499,7 @@ typedef struct
        int             cluster_highest_sessionid;
        int             cluster_highest_tunnelid;
        clockt          cluster_last_hb;                // Last time we saw a heartbeat from the master.
        int             cluster_highest_sessionid;
        int             cluster_highest_tunnelid;
        clockt          cluster_last_hb;                // Last time we saw a heartbeat from the master.

+       int             cluster_last_hb_ver;            // Heartbeat version last seen from master

        int             cluster_num_changes;            // Number of changes queued.
 
        int             cluster_hb_interval;            // How often to send a heartbeat.
        int             cluster_num_changes;            // Number of changes queued.
 
        int             cluster_hb_interval;            // How often to send a heartbeat.


@@ -616,6 +620,7 @@ void route6set(sessionidt s, struct in6_addr ip, int prefixlen, int add);
 sessionidt sessionbyip(in_addr_t ip);
 sessionidt sessionbyipv6(struct in6_addr ip);
 sessionidt sessionbyuser(char *username);
 sessionidt sessionbyip(in_addr_t ip);
 sessionidt sessionbyipv6(struct in6_addr ip);
 sessionidt sessionbyuser(char *username);

+void increment_counter(uint32_t *counter, uint32_t *wrap, uint32_t delta);

 void random_data(uint8_t *buf, int len);
 void sessionkill(sessionidt s, char *reason);
 void sessionshutdown(sessionidt s, char *reason, int result, int error);
 void random_data(uint8_t *buf, int len);
 void sessionkill(sessionidt s, char *reason);
 void sessionshutdown(sessionidt s, char *reason, int result, int error);


@@ -681,6 +686,7 @@ if (count++ < max) { \
 extern configt *config;
 extern time_t basetime;                // Time when this process started.
 extern time_t time_now;                // Seconds since EPOCH.
 extern configt *config;
 extern time_t basetime;                // Time when this process started.
 extern time_t time_now;                // Seconds since EPOCH.

+extern char main_quit;

 extern uint32_t last_id;
 extern struct Tstats *_statistics;
 extern in_addr_t my_address;
 extern uint32_t last_id;
 extern struct Tstats *_statistics;
 extern in_addr_t my_address;

diff --git a/ppp.c b/ppp.c
index fe9c7be..0a0dd45 100644 (file)
--- a/ppp.c
+++ b/ppp.c
@@ -1,6 +1,6 @@
 // L2TPNS PPP Stuff
 
 // L2TPNS PPP Stuff
 

-char const *cvs_id_ppp = "$Id: ppp.c,v 1.61 2005/05/13 09:23:00 bodea Exp $";
+char const *cvs_id_ppp = "$Id: ppp.c,v 1.62 2005/06/02 11:32:31 bodea Exp $";

 
 #include <stdio.h>
 #include <string.h>
 
 #include <stdio.h>
 #include <string.h>


@@ -1015,21 +1015,26 @@ void processipin(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
                return;
        }
 
                return;
        }
 

+       p += 4;
+       l -= 4;
+

        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session
        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session

-               snoop_send_packet(p + 4, l - 4, session[s].snoop_ip, session[s].snoop_port);
+               snoop_send_packet(p, l, session[s].snoop_ip, session[s].snoop_port);

        }
 
        }
 

-       session[s].cin += l - 4;
-       session[s].total_cin += l - 4;
-       sess_local[s].cin += l - 4;
-
+       increment_counter(&session[s].cin, &session[s].cin_wrap, l);
+       session[s].cin_delta += l;

        session[s].pin++;
        session[s].pin++;

-       eth_tx += l - 4;
+
+       sess_local[s].cin += l;
+       sess_local[s].pin++;
+
+       eth_tx += l;

 
        STAT(tun_tx_packets);
 
        STAT(tun_tx_packets);

-       INC_STAT(tun_tx_bytes, l - 4);
+       INC_STAT(tun_tx_bytes, l);

 }
 
 // process IPv6 packet received
 }
 
 // process IPv6 packet received


@@ -1103,21 +1108,26 @@ void processipv6in(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
                return;
        }
 
                return;
        }
 

+       p += 4;
+       l -= 4;
+

        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session
        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session

-               snoop_send_packet(p + 4, l - 4, session[s].snoop_ip, session[s].snoop_port);
+               snoop_send_packet(p, l, session[s].snoop_ip, session[s].snoop_port);

        }
 
        }
 

-       session[s].cin += l - 4;
-       session[s].total_cin += l - 4;
-       sess_local[s].cin += l - 4;
-
+       increment_counter(&session[s].cin, &session[s].cin_wrap, l);
+       session[s].cin_delta += l;

        session[s].pin++;
        session[s].pin++;

-       eth_tx += l - 4;
+
+       sess_local[s].cin += l;
+       sess_local[s].pin++;
+
+       eth_tx += l;

 
        STAT(tun_tx_packets);
 
        STAT(tun_tx_packets);

-       INC_STAT(tun_tx_bytes, l - 4);
+       INC_STAT(tun_tx_bytes, l);

 }
 
 //
 }
 
 //


@@ -1137,19 +1147,24 @@ void send_ipin(sessionidt s, uint8_t *buf, int len)
                return;
        }
 
                return;
        }
 

+       buf += 4;
+       len -= 4;
+

        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session
        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session

-               snoop_send_packet(buf + 4, len - 4, session[s].snoop_ip, session[s].snoop_port);
+               snoop_send_packet(buf, len, session[s].snoop_ip, session[s].snoop_port);

        }
 
        // Increment packet counters
        }
 
        // Increment packet counters

-       session[s].cin += len - 4;
-       session[s].total_cin += len - 4;
-       sess_local[s].cin += len - 4;
-
+       increment_counter(&session[s].cin, &session[s].cin_wrap, len);
+       session[s].cin_delta += len;

        session[s].pin++;
        session[s].pin++;

-       eth_tx += len - 4;
+
+       sess_local[s].cin += len;
+       sess_local[s].pin++;
+
+       eth_tx += len;

 
        STAT(tun_tx_packets);
        INC_STAT(tun_tx_bytes, len - 4);
 
        STAT(tun_tx_packets);
        INC_STAT(tun_tx_bytes, len - 4);

diff --git a/radius.c b/radius.c
index d046d28..69bdb37 100644 (file)
--- a/radius.c
+++ b/radius.c
@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
 // L2TPNS Radius Stuff
 

-char const *cvs_id_radius = "$Id: radius.c,v 1.31 2005/05/16 04:51:16 bodea Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.32 2005/06/02 11:32:32 bodea Exp $";

 
 #include <time.h>
 #include <stdio.h>
 
 #include <time.h>
 #include <stdio.h>


@@ -132,7 +132,7 @@ void radiussend(uint16_t r, uint8_t state)
                radius[r].try = 0;
 
        radius[r].state = state;
                radius[r].try = 0;
 
        radius[r].state = state;

-       radius[r].retry = backoff(radius[r].try++);
+       radius[r].retry = backoff(radius[r].try++) + 20; // 3s, 4s, 6s, 10s...

        LOG(4, s, session[s].tunnel, "Send RADIUS id %d sock %d state %s try %d\n",
                r >> RADIUS_SHIFT, r & RADIUS_MASK,
                radius_state(radius[r].state), radius[r].try);
        LOG(4, s, session[s].tunnel, "Send RADIUS id %d sock %d state %s try %d\n",
                r >> RADIUS_SHIFT, r & RADIUS_MASK,
                radius_state(radius[r].state), radius[r].try);


@@ -233,47 +233,63 @@ void radiussend(uint16_t r, uint8_t state)
                }
        }
        else if (state == RADIUSSTART || state == RADIUSSTOP || state == RADIUSINTERIM)
                }
        }
        else if (state == RADIUSSTART || state == RADIUSSTOP || state == RADIUSINTERIM)

-       {                          // accounting
-               *p = 40;                // accounting type
+       {                       // accounting
+               *p = 40;        // accounting type

                p[1] = 6;
                *(uint32_t *) (p + 2) = htonl(state - RADIUSSTART + 1); // start=1, stop=2, interim=3
                p += p[1];
                if (s)
                {
                p[1] = 6;
                *(uint32_t *) (p + 2) = htonl(state - RADIUSSTART + 1); // start=1, stop=2, interim=3
                p += p[1];
                if (s)
                {

-                       *p = 44;           // session ID
+                       *p = 44;        // session ID

                        p[1] = 18;
                        sprintf(p + 2, "%08X%08X", session[s].unique_id, session[s].opened);
                        p += p[1];
                        if (state == RADIUSSTART)
                        p[1] = 18;
                        sprintf(p + 2, "%08X%08X", session[s].unique_id, session[s].opened);
                        p += p[1];
                        if (state == RADIUSSTART)

-                       {                // start
-                               *p = 41;      // delay
+                       {                       // start
+                               *p = 41;        // delay

                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(time(NULL) - session[s].opened);
                                p += p[1];
                                sess_local[s].last_interim = time_now; // Setup "first" Interim
                        }
                        else
                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(time(NULL) - session[s].opened);
                                p += p[1];
                                sess_local[s].last_interim = time_now; // Setup "first" Interim
                        }
                        else

-                       {                // stop, interim
-                               *p = 42;      // input octets
+                       {                       // stop, interim
+                               *p = 42;        // input octets

                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].cin);
                                p += p[1];
                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].cin);
                                p += p[1];

-                               *p = 43;      // output octets
+
+                               *p = 43;        // output octets

                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].cout);
                                p += p[1];
                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].cout);
                                p += p[1];

-                               *p = 46;      // session time
-                               p[1] = 6;
-                               *(uint32_t *) (p + 2) = htonl(time(NULL) - session[s].opened);
-                               p += p[1];
-                               *p = 47;      // input packets
+                               if (state == RADIUSSTOP)
+                               {
+                                       *p = 46;        // session time
+                                       p[1] = 6;
+                                       *(uint32_t *) (p + 2) = htonl(time(NULL) - session[s].opened);
+                                       p += p[1];
+                               }
+
+                               *p = 47;        // input packets

                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].pin);
                                p += p[1];
                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].pin);
                                p += p[1];

-                               *p = 48;      // output spackets
+
+                               *p = 48;        // output packets

                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].pout);
                                p += p[1];
                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].pout);
                                p += p[1];

+
+                               *p = 52;        // input gigawords
+                               p[1] = 6;
+                               *(uint32_t *) (p + 2) = htonl(session[s].cin_wrap);
+                               p += p[1];
+
+                               *p = 53;        // output gigawords
+                               p[1] = 6;
+                               *(uint32_t *) (p + 2) = htonl(session[s].cout_wrap);
+                               p += p[1];

                        }
 
                        if (session[s].snoop_ip && session[s].snoop_port)
                        }
 
                        if (session[s].snoop_ip && session[s].snoop_port)


@@ -711,7 +727,6 @@ void radiusretry(uint16_t r)
 
        if (s) t = session[s].tunnel;
 
 
        if (s) t = session[s].tunnel;
 

-       radius[r].retry = backoff(radius[r].try + 1);

        switch (radius[r].state)
        {
                case RADIUSCHAP:        // sending CHAP down PPP
        switch (radius[r].state)
        {
                case RADIUSCHAP:        // sending CHAP down PPP