LIBCTDB: add support for traverse

[sahlberg/ctdb.git] / include / ctdb_protocol.h

diff --git a/include/ctdb_protocol.h b/include/ctdb_protocol.h
index f04b3f39fbd19394d085219bd1be31f6690d686f..b6b753c3c7ed3488b2b1365deb67c6e6ee2d6450 100644 (file)
--- a/include/ctdb_protocol.h
+++ b/include/ctdb_protocol.h
@@ -161,6 +161,9 @@ struct ctdb_call_info {
  */
 #define CTDB_SRVID_TEST_RANGE  0xFE03000000000000LL
 
+/* Range of ports reserved for traversals */
+#define CTDB_SRVID_TRAVERSE_RANGE  0xFE04000000000000LL
+
 /* used on the domain socket, send a pdu to the local daemon */
 #define CTDB_CURRENT_NODE     0xF0000001
 /* send a broadcast to all nodes in the cluster, active or not */
@@ -357,6 +360,7 @@ enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS          = 0,
                    CTDB_CONTROL_GET_IFACES              = 124,
                    CTDB_CONTROL_SET_IFACE_LINK_STATE    = 125,
                    CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE  = 126,
+                   CTDB_CONTROL_GET_STAT_HISTORY        = 127,
 };
 
 /*
@@ -475,8 +479,10 @@ enum ctdb_trans2_commit_error {
 struct ctdb_ltdb_header {
        uint64_t rsn;
        uint32_t dmaster;
-       uint32_t laccessor;
-       uint32_t lacount;
+       uint32_t reserved1;
+#define CTDB_REC_FLAG_DEFAULT                  0x00000000
+#define CTDB_REC_FLAG_MIGRATED_WITH_DATA       0x00010000
+       uint32_t flags;
 };
 
 
@@ -534,4 +540,92 @@ struct ctdb_all_public_ips {
        struct ctdb_public_ip ips[1];
 };
 
+
+struct latency_counter {
+       int num;
+       double min;
+       double max;
+       double total;
+};
+
+/*
+  structure used to pass record data between the child and parent
+ */
+struct ctdb_rec_data {
+       uint32_t length;
+       uint32_t reqid;
+       uint32_t keylen;
+       uint32_t datalen;
+       uint8_t  data[1];
+};
+
+struct ctdb_traverse_start {
+       uint32_t db_id;
+       uint32_t reqid;
+       uint64_t srvid;
+};
+
+/*
+  ctdb statistics information
+ */
+struct ctdb_statistics {
+       uint32_t num_clients;
+       uint32_t frozen;
+       uint32_t recovering;
+       uint32_t client_packets_sent;
+       uint32_t client_packets_recv;
+       uint32_t node_packets_sent;
+       uint32_t node_packets_recv;
+       uint32_t keepalive_packets_sent;
+       uint32_t keepalive_packets_recv;
+       struct {
+               uint32_t req_call;
+               uint32_t reply_call;
+               uint32_t req_dmaster;
+               uint32_t reply_dmaster;
+               uint32_t reply_error;
+               uint32_t req_message;
+               uint32_t req_control;
+               uint32_t reply_control;
+       } node;
+       struct {
+               uint32_t req_call;
+               uint32_t req_message;
+               uint32_t req_control;
+       } client;
+       struct {
+               uint32_t call;
+               uint32_t control;
+               uint32_t traverse;
+       } timeouts;
+       struct {
+               struct latency_counter ctdbd;
+               struct latency_counter recd;
+       } reclock;
+       uint32_t total_calls;
+       uint32_t pending_calls;
+       uint32_t lockwait_calls;
+       uint32_t pending_lockwait_calls;
+       uint32_t childwrite_calls;
+       uint32_t pending_childwrite_calls;
+       uint32_t memory_used;
+       uint32_t __last_counter; /* hack for control_statistics_all */
+       uint32_t max_hop_count;
+       struct latency_counter call_latency;
+       struct latency_counter lockwait_latency;
+       struct latency_counter childwrite_latency;
+       uint32_t num_recoveries;
+       struct timeval statistics_start_time;
+       struct timeval statistics_current_time;
+};
+
+/*
+ * wire format for statistics history
+ */
+struct ctdb_statistics_wire {
+       uint32_t num;
+       struct ctdb_statistics stats[1];
+};
+
+
 #endif