use standard uintN_t types for portability
This commit is contained in:
Brendan O'Dea
parent
fcf03c43e3
commit
9d199a1046
23 changed files with 664 additions and 657 deletions
160
cluster.c
160
cluster.c
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@ -1,6 +1,6 @@
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// L2TPNS Clustering Stuff
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char const *cvs_id_cluster = "$Id: cluster.c,v 1.24 2004-12-15 02:56:38 bodea Exp $";
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char const *cvs_id_cluster = "$Id: cluster.c,v 1.25 2004-12-16 08:49:53 bodea Exp $";
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#include <stdio.h>
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#include <sys/file.h>
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@ -18,6 +18,7 @@ char const *cvs_id_cluster = "$Id: cluster.c,v 1.24 2004-12-15 02:56:38 bodea Ex
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#include <unistd.h>
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#include <stdio.h>
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#include <libcli.h>
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#include <inttypes.h>
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#include "l2tpns.h"
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#include "cluster.h"
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@ -40,7 +41,7 @@ char const *cvs_id_cluster = "$Id: cluster.c,v 1.24 2004-12-15 02:56:38 bodea Ex
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// Module variables.
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int cluster_sockfd = 0; // The filedescriptor for the cluster communications port.
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ipt my_address = 0; // The network address of my ethernet port.
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in_addr_t my_address = 0; // The network address of my ethernet port.
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static int walk_session_number = 0; // The next session to send when doing the slow table walk.
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static int walk_tunnel_number = 0; // The next tunnel to send when doing the slow table walk.
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@ -60,15 +61,15 @@ static struct {
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// we can re-transmit if needed.
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static struct {
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u32 peer;
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time_t basetime;
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clockt timestamp;
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int uptodate;
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in_addr_t peer;
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time_t basetime;
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clockt timestamp;
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int uptodate;
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} peers[CLUSTER_MAX_SIZE]; // List of all the peers we've heard from.
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static int num_peers; // Number of peers in list.
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static int rle_decompress(u8 ** src_p, int ssize, u8 *dst, int dsize);
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static int rle_compress(u8 ** src_p, int ssize, u8 *dst, int dsize);
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static int rle_decompress(uint8_t **src_p, int ssize, uint8_t *dst, int dsize);
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static int rle_compress(uint8_t **src_p, int ssize, uint8_t *dst, int dsize);
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//
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// Create a listening socket
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@ -177,17 +178,17 @@ static int cluster_send_data(void *data, int datalen)
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// Maintains the format. Assumes that the caller
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// has passed in a big enough buffer!
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//
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static void add_type(char ** p, int type, int more, char * data, int size)
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static void add_type(char **p, int type, int more, char *data, int size)
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{
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* ( (u32*)(*p) ) = type;
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*p += sizeof(u32);
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*((uint32_t *) (*p)) = type;
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*p += sizeof(uint32_t);
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* ( (u32*)(*p) ) = more;
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*p += sizeof(u32);
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*((uint32_t *)(*p)) = more;
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*p += sizeof(uint32_t);
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if (data && size > 0) {
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memcpy(*p, data, size);
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(*p) += size;
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*p += size;
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}
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}
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@ -221,7 +222,7 @@ static void cluster_uptodate(void)
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// Send a unicast UDP packet to a peer with 'data' as the
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// contents.
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//
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static int peer_send_data(u32 peer, char * data, int size)
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static int peer_send_data(in_addr_t peer, char *data, int size)
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{
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struct sockaddr_in addr = {0};
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@ -249,10 +250,10 @@ static int peer_send_data(u32 peer, char * data, int size)
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//
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// Send a structured message to a peer with a single element of type 'type'.
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//
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static int peer_send_message(u32 peer, int type, int more, char * data, int size)
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static int peer_send_message(in_addr_t peer, int type, int more, char *data, int size)
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{
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char buf[65536]; // Vast overkill.
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char * p = buf;
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char *p = buf;
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LOG(4, 0, 0, "Sending message to peer (type %d, more %d, size %d)\n", type, more, size);
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add_type(&p, type, more, data, size);
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@ -266,7 +267,7 @@ static int peer_send_message(u32 peer, int type, int more, char * data, int size
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// The master just processes the payload as if it had
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// received it off the tun device.
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//
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int master_forward_packet(char *data, int size, u32 addr, int port)
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int master_forward_packet(char *data, int size, in_addr_t addr, int port)
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{
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char buf[65536]; // Vast overkill.
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char *p = buf;
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@ -277,12 +278,11 @@ int master_forward_packet(char *data, int size, u32 addr, int port)
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LOG(4, 0, 0, "Forwarding packet from %s to master (size %d)\n", fmtaddr(addr, 0), size);
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STAT(c_forwarded);
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add_type(&p, C_FORWARD, addr, (char*) &port, sizeof(port) );
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add_type(&p, C_FORWARD, addr, (char *) &port, sizeof(port));
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memcpy(p, data, size);
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p += size;
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return peer_send_data(config->cluster_master_address, buf, (p-buf) );
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return peer_send_data(config->cluster_master_address, buf, (p - buf));
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}
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//
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@ -337,7 +337,7 @@ int master_garden_packet(sessionidt s, char *data, int size)
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// Send a chunk of data as a heartbeat..
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// We save it in the history buffer as we do so.
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//
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static void send_heartbeat(int seq, char * data, int size)
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static void send_heartbeat(int seq, char *data, int size)
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{
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int i;
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@ -426,7 +426,7 @@ void master_update_counts(void)
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// Forward the data to the master.
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LOG(4, 0, 0, "Sending byte counters to master (%d elements)\n", c);
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peer_send_message(config->cluster_master_address, C_BYTES, c, (char*) &b, sizeof(b[0]) * c);
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peer_send_message(config->cluster_master_address, C_BYTES, c, (char *) &b, sizeof(b[0]) * c);
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return;
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}
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@ -688,9 +688,9 @@ static int hb_add_type(char **p, int type, int id)
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{
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switch (type) {
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case C_CSESSION: { // Compressed C_SESSION.
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u8 c[sizeof(sessiont) * 2]; // Bigger than worst case.
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u8 *d = (u8 *) &session[id];
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u8 *orig = d;
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uint8_t c[sizeof(sessiont) * 2]; // Bigger than worst case.
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uint8_t *d = (uint8_t *) &session[id];
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uint8_t *orig = d;
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int size;
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size = rle_compress( &d, sizeof(sessiont), c, sizeof(c) );
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@ -698,19 +698,19 @@ static int hb_add_type(char **p, int type, int id)
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// Did we compress the full structure, and is the size actually
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// reduced??
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if ( (d - orig) == sizeof(sessiont) && size < sizeof(sessiont) ) {
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add_type(p, C_CSESSION, id, (char*) c, size);
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add_type(p, C_CSESSION, id, (char *) c, size);
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break;
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}
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// Failed to compress : Fall through.
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}
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case C_SESSION: add_type(p, C_SESSION, id,
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(char*) &session[id], sizeof(sessiont));
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(char *) &session[id], sizeof(sessiont));
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break;
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case C_CTUNNEL: { // Compressed C_TUNNEL
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u8 c[sizeof(tunnelt) * 2]; // Bigger than worst case.
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u8 *d = (u8 *) &tunnel[id];
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u8 *orig = d;
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uint8_t c[sizeof(tunnelt) * 2]; // Bigger than worst case.
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uint8_t *d = (uint8_t *) &tunnel[id];
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uint8_t *orig = d;
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int size;
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size = rle_compress( &d, sizeof(tunnelt), c, sizeof(c) );
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@ -724,7 +724,7 @@ static int hb_add_type(char **p, int type, int id)
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// Failed to compress : Fall through.
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}
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case C_TUNNEL: add_type(p, C_TUNNEL, id,
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(char*) &tunnel[id], sizeof(tunnelt));
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(char *) &tunnel[id], sizeof(tunnelt));
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break;
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default:
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LOG(0, 0, 0, "Found an invalid type in heart queue! (%d)\n", type);
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@ -766,14 +766,14 @@ void cluster_heartbeat()
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h.timeout = config->cluster_hb_timeout;
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h.table_version = config->cluster_table_version;
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add_type(&p, C_HEARTBEAT, HB_VERSION, (char*) &h, sizeof(h));
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add_type(&p, C_HEARTBEAT, HB_VERSION, (char *) &h, sizeof(h));
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for (i = 0; i < config->cluster_num_changes; ++i) {
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hb_add_type(&p, cluster_changes[i].type, cluster_changes[i].id);
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}
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if (p > (buff + sizeof(buff))) { // Did we somehow manage to overun the buffer?
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LOG(0, 0, 0, "FATAL: Overran the heartbeat buffer! This is fatal. Exiting. (size %d)\n", p - buff);
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LOG(0, 0, 0, "FATAL: Overran the heartbeat buffer! This is fatal. Exiting. (size %d)\n", (int) (p - buff));
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kill(0, SIGTERM);
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exit(1);
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}
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@ -781,7 +781,7 @@ void cluster_heartbeat()
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//
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// Fill out the packet with sessions from the session table...
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// (not forgetting to leave space so we can get some tunnels in too )
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while ( (p + sizeof(u32) * 2 + sizeof(sessiont) * 2 ) < (buff + MAX_HEART_SIZE) ) {
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while ( (p + sizeof(uint32_t) * 2 + sizeof(sessiont) * 2 ) < (buff + MAX_HEART_SIZE) ) {
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if (!walk_session_number) // session #0 isn't valid.
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++walk_session_number;
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@ -801,7 +801,7 @@ void cluster_heartbeat()
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// than the session table. This is good because stuffing up a
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// tunnel is a much bigger deal than stuffing up a session.
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//
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while ( (p + sizeof(u32) * 2 + sizeof(tunnelt) ) < (buff + MAX_HEART_SIZE) ) {
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while ( (p + sizeof(uint32_t) * 2 + sizeof(tunnelt) ) < (buff + MAX_HEART_SIZE) ) {
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if (!walk_tunnel_number) // tunnel #0 isn't valid.
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++walk_tunnel_number;
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@ -818,16 +818,16 @@ void cluster_heartbeat()
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//
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// Did we do something wrong?
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if (p > (buff + sizeof(buff))) { // Did we somehow manage to overun the buffer?
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LOG(0, 0, 0, "Overran the heartbeat buffer now! This is fatal. Exiting. (size %d)\n", p - buff);
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LOG(0, 0, 0, "Overran the heartbeat buffer now! This is fatal. Exiting. (size %d)\n", (int) (p - buff));
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kill(0, SIGTERM);
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exit(1);
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}
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LOG(3, 0, 0, "Sending v%d heartbeat #%d, change #%llu with %d changes "
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LOG(3, 0, 0, "Sending v%d heartbeat #%d, change #%" PRIu64 " with %d changes "
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"(%d x-sess, %d x-tunnels, %d highsess, %d hightun, size %d)\n",
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HB_VERSION, h.seq, h.table_version, config->cluster_num_changes,
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count, tcount, config->cluster_highest_sessionid,
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config->cluster_highest_tunnelid, (p-buff));
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config->cluster_highest_tunnelid, (int) (p - buff));
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config->cluster_num_changes = 0;
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@ -887,7 +887,7 @@ int cluster_send_tunnel(int tid)
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// missed a packet. We'll resend it every packet since
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// the last one it's seen.
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//
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static int cluster_catchup_slave(int seq, u32 slave)
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static int cluster_catchup_slave(int seq, in_addr_t slave)
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{
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int s;
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int diff;
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@ -922,10 +922,10 @@ static int cluster_catchup_slave(int seq, u32 slave)
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// We've heard from another peer! Add it to the list
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// that we select from at election time.
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//
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static int cluster_add_peer(u32 peer, time_t basetime, pingt *pp, int size)
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static int cluster_add_peer(in_addr_t peer, time_t basetime, pingt *pp, int size)
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{
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int i;
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u32 clusterid;
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in_addr_t clusterid;
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pingt p;
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// Allow for backward compatability.
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@ -935,8 +935,8 @@ static int cluster_add_peer(u32 peer, time_t basetime, pingt *pp, int size)
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if (size > sizeof(p))
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size = sizeof(p);
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memset( (void*) &p, 0, sizeof(p) );
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memcpy( (void*) &p, (void*) pp, size);
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memset( (void *) &p, 0, sizeof(p) );
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memcpy( (void *) &p, (void *) pp, size);
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clusterid = p.addr;
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if (clusterid != config->bind_address)
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@ -1006,11 +1006,11 @@ static int cluster_add_peer(u32 peer, time_t basetime, pingt *pp, int size)
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// Note that we don't mark the session as dirty; We rely on
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// the slow table walk to propogate this back out to the slaves.
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//
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static int cluster_handle_bytes(char * data, int size)
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static int cluster_handle_bytes(char *data, int size)
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{
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bytest * b;
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bytest *b;
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b = (bytest*) data;
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b = (bytest *) data;
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LOG(3, 0, 0, "Got byte counter update (size %d)\n", size);
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@ -1043,7 +1043,7 @@ static int cluster_handle_bytes(char * data, int size)
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//
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// Handle receiving a session structure in a heartbeat packet.
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//
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static int cluster_recv_session(int more , u8 * p)
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static int cluster_recv_session(int more, uint8_t *p)
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{
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if (more >= MAXSESSION) {
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LOG(0, 0, 0, "DANGER: Received a heartbeat session id > MAXSESSION!\n");
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@ -1058,7 +1058,7 @@ static int cluster_recv_session(int more , u8 * p)
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}
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}
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load_session(more, (sessiont*) p); // Copy session into session table..
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load_session(more, (sessiont *) p); // Copy session into session table..
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LOG(5, more, 0, "Received session update (%d undef)\n", config->cluster_undefined_sessions);
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@ -1068,7 +1068,7 @@ static int cluster_recv_session(int more , u8 * p)
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return 0;
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}
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static int cluster_recv_tunnel(int more, u8 *p)
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static int cluster_recv_tunnel(int more, uint8_t *p)
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{
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if (more >= MAXTUNNEL) {
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LOG(0, 0, 0, "DANGER: Received a tunnel session id > MAXTUNNEL!\n");
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@ -1106,9 +1106,9 @@ static int cluster_recv_tunnel(int more, u8 *p)
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//
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// v3: added interval, timeout
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// v4: added table_version
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static int cluster_process_heartbeat(u8 * data, int size, int more, u8 * p, u32 addr)
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static int cluster_process_heartbeat(uint8_t *data, int size, int more, uint8_t *p, in_addr_t addr)
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{
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heartt * h;
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heartt *h;
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int s = size - (p-data);
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int i, type;
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@ -1126,7 +1126,7 @@ static int cluster_process_heartbeat(u8 * data, int size, int more, u8 * p, u32
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if (s < sizeof(*h))
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goto shortpacket;
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h = (heartt*) p;
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h = (heartt *) p;
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p += sizeof(*h);
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s -= sizeof(*h);
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@ -1144,7 +1144,7 @@ static int cluster_process_heartbeat(u8 * data, int size, int more, u8 * p, u32
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if (more >= 4) {
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if (h->table_version > config->cluster_table_version) {
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LOG(0, 0, 0, "They've seen more state changes (%llu vs my %llu) so I'm gone!\n",
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LOG(0, 0, 0, "They've seen more state changes (%" PRIu64 " vs my %" PRIu64 ") so I'm gone!\n",
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h->table_version, config->cluster_table_version);
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kill(0, SIGTERM);
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@ -1220,21 +1220,21 @@ static int cluster_process_heartbeat(u8 * data, int size, int more, u8 * p, u32
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// Ok. process the packet...
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while ( s > 0) {
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type = * ((u32*) p);
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p += sizeof(u32);
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s -= sizeof(u32);
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type = *((uint32_t *) p);
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p += sizeof(uint32_t);
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s -= sizeof(uint32_t);
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more = * ((u32*) p);
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p += sizeof(u32);
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s -= sizeof(u32);
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more = *((uint32_t *) p);
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p += sizeof(uint32_t);
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s -= sizeof(uint32_t);
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switch (type) {
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case C_CSESSION: { // Compressed session structure.
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u8 c [ sizeof(sessiont) + 2];
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uint8_t c[ sizeof(sessiont) + 2];
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int size;
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u8 * orig_p = p;
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uint8_t *orig_p = p;
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size = rle_decompress((u8 **) &p, s, c, sizeof(c) );
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size = rle_decompress((uint8_t **) &p, s, c, sizeof(c) );
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s -= (p - orig_p);
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if (size != sizeof(sessiont) ) { // Ouch! Very very bad!
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@ -1257,11 +1257,11 @@ static int cluster_process_heartbeat(u8 * data, int size, int more, u8 * p, u32
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break;
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case C_CTUNNEL: { // Compressed tunnel structure.
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u8 c [ sizeof(tunnelt) + 2];
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uint8_t c[ sizeof(tunnelt) + 2];
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int size;
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u8 * orig_p = p;
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uint8_t *orig_p = p;
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|
||||
size = rle_decompress( (u8 **) &p, s, c, sizeof(c) );
|
||||
size = rle_decompress((uint8_t **) &p, s, c, sizeof(c));
|
||||
s -= (p - orig_p);
|
||||
|
||||
if (size != sizeof(tunnelt) ) { // Ouch! Very very bad!
|
||||
|
|
@ -1310,10 +1310,10 @@ shortpacket:
|
|||
// We got a packet on the cluster port!
|
||||
// Handle pings, lastseens, and heartbeats!
|
||||
//
|
||||
int processcluster(char * data, int size, u32 addr)
|
||||
int processcluster(char *data, int size, in_addr_t addr)
|
||||
{
|
||||
int type, more;
|
||||
char * p = data;
|
||||
char *p = data;
|
||||
int s = size;
|
||||
|
||||
if (addr == my_address)
|
||||
|
|
@ -1327,17 +1327,17 @@ int processcluster(char * data, int size, u32 addr)
|
|||
if (s < 8)
|
||||
goto shortpacket;
|
||||
|
||||
type = * ((u32*) p);
|
||||
p += sizeof(u32);
|
||||
s -= sizeof(u32);
|
||||
type = *((uint32_t *) p);
|
||||
p += sizeof(uint32_t);
|
||||
s -= sizeof(uint32_t);
|
||||
|
||||
more = * ((u32*) p);
|
||||
p += sizeof(u32);
|
||||
s -= sizeof(u32);
|
||||
more = *((uint32_t *) p);
|
||||
p += sizeof(uint32_t);
|
||||
s -= sizeof(uint32_t);
|
||||
|
||||
switch (type) {
|
||||
case C_PING: // Update the peers table.
|
||||
return cluster_add_peer(addr, more, (pingt*)p, s);
|
||||
return cluster_add_peer(addr, more, (pingt *) p, s);
|
||||
|
||||
case C_LASTSEEN: // Catch up a slave (slave missed a packet).
|
||||
return cluster_catchup_slave(more, addr);
|
||||
|
|
@ -1346,7 +1346,7 @@ int processcluster(char * data, int size, u32 addr)
|
|||
struct sockaddr_in a;
|
||||
a.sin_addr.s_addr = more;
|
||||
|
||||
a.sin_port = * (int*) p;
|
||||
a.sin_port = *(int *) p;
|
||||
s -= sizeof(int);
|
||||
p += sizeof(int);
|
||||
|
||||
|
|
@ -1481,11 +1481,11 @@ int cmd_show_cluster(struct cli_def *cli, char *command, char **argv, int argc)
|
|||
//
|
||||
// Worst case is a 50% expansion in space required (trying to
|
||||
// compress { 0x00, 0x01 } * N )
|
||||
static int rle_compress(u8 ** src_p, int ssize, u8 *dst, int dsize)
|
||||
static int rle_compress(uint8_t **src_p, int ssize, uint8_t *dst, int dsize)
|
||||
{
|
||||
int count;
|
||||
int orig_dsize = dsize;
|
||||
u8 * x,*src;
|
||||
uint8_t *x, *src;
|
||||
src = *src_p;
|
||||
|
||||
while (ssize > 0 && dsize > 2) {
|
||||
|
|
@ -1527,11 +1527,11 @@ static int rle_compress(u8 ** src_p, int ssize, u8 *dst, int dsize)
|
|||
// Return the number of dst bytes used.
|
||||
// Updates the 'src_p' pointer to point to the
|
||||
// first un-used byte.
|
||||
static int rle_decompress(u8 ** src_p, int ssize, u8 *dst, int dsize)
|
||||
static int rle_decompress(uint8_t **src_p, int ssize, uint8_t *dst, int dsize)
|
||||
{
|
||||
int count;
|
||||
int orig_dsize = dsize;
|
||||
char * src = *src_p;
|
||||
char *src = *src_p;
|
||||
|
||||
while (ssize >0 && dsize > 0) { // While there's more to decompress, and there's room in the decompress buffer...
|
||||
count = *src++; --ssize; // get the count byte from the source.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue