CLIENT-2699 Support client metrics.

Co-authored-by: Brian Nichols <[email protected]>

Makefile

@@ -133,9 +133,12 @@ AEROSPIKE += as_host.o
 AEROSPIKE += as_info.o
 AEROSPIKE += as_job.o
 AEROSPIKE += as_key.o
+AEROSPIKE += as_latency.o
 AEROSPIKE += as_list_operations.o
 AEROSPIKE += as_lookup.o
 AEROSPIKE += as_map_operations.o
+AEROSPIKE += as_metrics.o
+AEROSPIKE += as_metrics_writer.o
 AEROSPIKE += as_node.o
 AEROSPIKE += as_operations.o
 AEROSPIKE += as_partition.o

src/include/aerospike/aerospike_stats.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2021 Aerospike, Inc.
+ * Copyright 2008-2024 Aerospike, Inc.
  *
  * Portions may be licensed to Aerospike, Inc. under one or more contributor
  * license agreements.
@@ -88,9 +88,16 @@ typedef struct as_node_stats_s {
 	as_conn_stats pipeline;
 
 	/**
-	 * Node error count within current window.
+	 * Transaction error count since node was initialized. If the error is retryable, multiple errors per
+	 * transaction may occur.
 	 */
-	uint32_t error_count;
+	uint64_t error_count;
+
+	/**
+	 * Transaction timeout count since node was initialized. If the timeout is retryable (ie socket timeout),
+	 * multiple timeouts per transaction may occur.
+	 */
+	uint64_t timeout_count;
 
 } as_node_stats;
 
@@ -128,6 +135,11 @@ typedef struct as_cluster_stats_s {
 	 */
 	as_event_loop_stats* event_loops;
 
+	/**
+	* Count of transaction retries since cluster was started.
+	*/
+	uint64_t retry_count;
+
 	/**
 	 * Node count.
 	 */
@@ -242,6 +254,18 @@ aerospike_event_loop_stats(as_event_loop* event_loop, as_event_loop_stats* stats
 AS_EXTERN char*
 aerospike_stats_to_string(as_cluster_stats* stats);
 
+static inline void
+as_conn_stats_init(as_conn_stats* stats)
+{
+	stats->in_pool = 0;
+	stats->in_use = 0;
+	stats->opened = 0;
+	stats->closed = 0;
+}
+
+void
+as_conn_stats_sum(as_conn_stats* stats, as_async_conn_pool* pool);
+
 #ifdef __cplusplus
 } // end extern "C"
 #endif

src/include/aerospike/as_async.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2023 Aerospike, Inc.
+ * Copyright 2008-2024 Aerospike, Inc.
  *
  * Portions may be licensed to Aerospike, Inc. under one or more contributor
  * license agreements.
@@ -110,7 +110,9 @@ as_async_write_command_create(
 	cmd->flags = 0;
 	cmd->replica_size = pi->replica_size;
 	cmd->replica_index = 0;
+	cmd->latency_type = AS_LATENCY_TYPE_WRITE;
 	wcmd->listener = listener;
+	as_cluster_add_tran(cluster);
 	return cmd;
 }
 
@@ -119,7 +121,8 @@ as_async_record_command_create(
 	as_cluster* cluster, const as_policy_base* policy, as_partition_info* pi,
 	as_policy_replica replica, uint8_t replica_index, bool deserialize, bool heap_rec,
 	uint8_t flags, as_async_record_listener listener, void* udata, as_event_loop* event_loop,
-	as_pipe_listener pipe_listener, size_t size, as_event_parse_results_fn parse_results
+	as_pipe_listener pipe_listener, size_t size, as_event_parse_results_fn parse_results, 
+	as_latency_type latency_type
 	)
 {
 	// Allocate enough memory to cover: struct size + write buffer size + auth max buffer size
@@ -158,7 +161,9 @@ as_async_record_command_create(
 
 	cmd->replica_size = pi->replica_size;
 	cmd->replica_index = replica_index;
+	cmd->latency_type = latency_type;
 	rcmd->listener = listener;
+	as_cluster_add_tran(cluster);
 	return cmd;
 }
 
@@ -197,7 +202,9 @@ as_async_value_command_create(
 	cmd->flags = 0;
 	cmd->replica_size = pi->replica_size;
 	cmd->replica_index = 0;
+	cmd->latency_type = AS_LATENCY_TYPE_WRITE;
 	vcmd->listener = listener;
+	as_cluster_add_tran(cluster);
 	return cmd;
 }
 
@@ -233,7 +240,9 @@ as_async_info_command_create(
 	cmd->flags = 0;
 	cmd->replica_size = 1;
 	cmd->replica_index = 0;
+	cmd->latency_type = AS_LATENCY_TYPE_NONE;
 	icmd->listener = listener;
+	as_cluster_add_tran(node->cluster);
 	return cmd;
 }
 

src/include/aerospike/as_cdt_ctx.h

@@ -211,7 +211,7 @@ as_cdt_ctx_add_list_value(as_cdt_ctx* ctx, as_val* val)
 
 /**
  * Lookup map by index offset.
- * <p>
+ *
  * If the index is negative, the resolved index starts backwards from end of list.
  * If an index is out of bounds, a parameter error will be returned.  Examples:
  * <ul>