X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/92db0e2617cec9b118708c722c1a9f273001f87d..7fd68b1daeab9a2a1a3ee8f0652c25fc37bf3549:/cluster.c?ds=inline diff --git a/cluster.c b/cluster.c index 7b6b33e..67d8d5e 100644 --- a/cluster.c +++ b/cluster.c @@ -363,6 +363,28 @@ int master_garden_packet(sessionidt s, uint8_t *data, int size) } +// +// Forward a MPPP packet to the master for handling. +// +// (Note that this must be called with the tun header +// as the start of the data). +// (i.e. this routine writes to data[-8]). +int master_forward_mppp_packet(sessionidt s, uint8_t *data, int size) +{ + uint8_t *p = data - (2 * sizeof(uint32_t)); + uint8_t *psave = p; + + if (!config->cluster_master_address) // No election has been held yet. Just skip it. + return -1; + + LOG(4, 0, 0, "Forward MPPP packet to master (size %d)\n", size); + + add_type(&p, C_MPPP_FORWARD, s, NULL, 0); + + return peer_send_data(config->cluster_master_address, psave, size + (2 * sizeof(uint32_t))); + +} + // // Send a chunk of data as a heartbeat.. // We save it in the history buffer as we do so. @@ -945,7 +967,7 @@ void cluster_heartbeat() exit(1); } - LOG(3, 0, 0, "Sending v%d heartbeat #%d, change #%" PRIu64 " with %d changes " + LOG(4, 0, 0, "Sending v%d heartbeat #%d, change #%" PRIu64 " with %d changes " "(%d x-sess, %d x-bundles, %d x-tunnels, %d highsess, %d highbund, %d hightun, size %d)\n", HB_VERSION, h.seq, h.table_version, config->cluster_num_changes, count, bcount, tcount, config->cluster_highest_sessionid, config->cluster_highest_bundleid, @@ -980,6 +1002,36 @@ static int type_changed(int type, int id) return 1; } +// The deleted session, must be before the new session +int cluster_listinvert_session(int sidnew, int sidtodel) +{ + int i, inew = 0; + + for (i = 0 ; i < config->cluster_num_changes ; ++i) + { + if ( cluster_changes[i].id == sidtodel && cluster_changes[i].type == C_CSESSION) + return 0; // Deleted session already before the new session. + + if ( cluster_changes[i].id == sidnew && cluster_changes[i].type == C_CSESSION) + { + inew = i; + break; + } + } + + for ( ; i < config->cluster_num_changes ; ++i) + { + if ( cluster_changes[i].id == sidtodel && cluster_changes[i].type == C_CSESSION) + { + // Reverse position + cluster_changes[i].id = sidnew; + cluster_changes[inew].id = sidtodel; + return 1; + } + } + + return 0; +} // A particular session has been changed! int cluster_send_session(int sid) @@ -1802,6 +1854,16 @@ int processcluster(uint8_t *data, int size, in_addr_t addr) return 0; } + case C_MPPP_FORWARD: + // Receive a MPPP packet from a slave. + if (!config->cluster_iam_master) { + LOG(0, 0, 0, "I'm not the master, but I got a C_MPPP_FORWARD from %s?\n", fmtaddr(addr, 0)); + return -1; + } + + processipout(p, s); + return 0; + case C_THROTTLE: { // Receive a forwarded packet from a slave. if (!config->cluster_iam_master) { LOG(0, 0, 0, "I'm not the master, but I got a C_THROTTLE from %s?\n", fmtaddr(addr, 0));