org.infinispan.server.resp.commands.INFO Maven / Gradle / Ivy
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Infinispan Resp Protocol Server
package org.infinispan.server.resp.commands;
import static org.infinispan.server.resp.serialization.RespConstants.CRLF_STRING;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import java.util.EnumSet;
import java.util.List;
import java.util.concurrent.CompletionStage;
import org.infinispan.commons.jdkspecific.ProcessInfo;
import org.infinispan.commons.util.Version;
import org.infinispan.security.AuthorizationPermission;
import org.infinispan.server.resp.Resp3Handler;
import org.infinispan.server.resp.RespCommand;
import org.infinispan.server.resp.RespRequestHandler;
import org.infinispan.server.resp.meta.ClientMetadata;
import org.infinispan.server.resp.serialization.Resp3Response;
import io.netty.channel.ChannelHandlerContext;
/**
* INFO
*
* This implementation attempts to return all attributes that a real Redis server returns. However, in most
* cases, the values are set to 0, because they cannot be retrieved or don't make any sense in Infinispan.
*
* @since 15.0
*/
public class INFO extends RespCommand implements Resp3Command {
public INFO() {
super(-1, 0, 0, 0);
}
@Override
public CompletionStage perform(Resp3Handler handler,
ChannelHandlerContext ctx,
List arguments) {
handler.checkPermission(AuthorizationPermission.ADMIN);
final EnumSet sections;
if (arguments.isEmpty()) {
sections = Section.DEFAULT.implies();
} else {
sections = EnumSet.noneOf(Section.class);
for (byte[] arg : arguments) {
String section = new String(arg, StandardCharsets.UTF_8);
sections.addAll(Section.valueOf(section.toUpperCase()).implies());
}
}
StringBuilder sb = new StringBuilder();
if (sections.contains(Section.SERVER)) {
sb.append("# Server\r\n");
sb.append("redis_version:");
sb.append(Version.getMajorMinor());
sb.append(CRLF_STRING);
sb.append("redis_git_sha1:");
sb.append(Version.getProperty("infinispan.build.commitid"));
sb.append(CRLF_STRING);
sb.append("redis_git_dirty:0\r\n");
sb.append("redis_build_id:");
sb.append(Version.getVersion());
sb.append(CRLF_STRING);
sb.append("redis_mode:");
switch (handler.cache().getCacheConfiguration().clustering().cacheMode()) {
case LOCAL:
sb.append("standalone\r\n");
break;
case REPL_ASYNC:
case REPL_SYNC:
sb.append("sentinel\r\n");
break;
case DIST_ASYNC:
case DIST_SYNC:
sb.append("cluster\r\n");
break;
}
sb.append("os:");
sb.append(System.getProperty("os.name"));
sb.append(' ');
sb.append(System.getProperty("os.version"));
sb.append(' ');
sb.append(System.getProperty("os.arch"));
sb.append(CRLF_STRING);
sb.append("arch_bits:");
sb.append(System.getProperty("os.arch").endsWith("64") ? "64" : "32");
sb.append(CRLF_STRING);
sb.append("monotonic_clock:POSIX clock_gettime\r\n");
sb.append("multiplexing_api:epoll\r\n"); // TODO: use server socket channel in use
sb.append("atomicvar_api:c11 - builtin\r\n");
sb.append("process_id:");
sb.append(ProcessInfo.getInstance().getPid());
sb.append(CRLF_STRING);
sb.append("process_supervised:no\r\n");
sb.append("run_id:0000000000000\r\n"); // get UUID
sb.append("tcp_port:");
sb.append(((InetSocketAddress) ctx.channel().localAddress()).getPort());
sb.append(CRLF_STRING);
sb.append("server_time_usec:");
sb.append(System.currentTimeMillis() * 1000);
sb.append(CRLF_STRING);
sb.append("uptime_in_seconds:0\r\n");
sb.append("uptime_in_days:0\r\n");
sb.append("hz:10\r\n");
sb.append("configured_hz:10\r\n");
sb.append("lru_clock:0\r\n");
sb.append("executable:server\r\n");
sb.append("config_file:infinispan.xml\r\n");
sb.append("io_threads_active:0\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.CLIENTS)) {
appendClientSection(sb, handler.respServer().metadataRepository().client());
}
if (sections.contains(Section.MEMORY)) {
sb.append("# Memory\r\n");
sb.append("used_memory:0\r\n");
sb.append("used_memory_human:0M\r\n");
sb.append("used_memory_rss:0\r\n");
sb.append("used_memory_rss_human:0M\r\n");
sb.append("used_memory_peak:0\r\n");
sb.append("used_memory_peak_human:0M\r\n");
sb.append("used_memory_peak_perc:0%\r\n");
sb.append("used_memory_overhead:0\r\n");
sb.append("used_memory_startup:0\r\n");
sb.append("used_memory_dataset:0\r\n");
sb.append("used_memory_dataset_perc:0%\r\n");
sb.append("allocator_allocated:0\r\n");
sb.append("allocator_active:0\r\n");
sb.append("allocator_resident:0\r\n");
sb.append("total_system_memory:0\r\n");
sb.append("total_system_memory_human:0G\r\n");
sb.append("used_memory_lua:0\r\n");
sb.append("used_memory_vm_eval:0\r\n");
sb.append("used_memory_lua_human:0K\r\n");
sb.append("used_memory_scripts_eval:0\r\n");
sb.append("number_of_cached_scripts:0\r\n");
sb.append("number_of_functions:0\r\n");
sb.append("number_of_libraries:0\r\n");
sb.append("used_memory_vm_functions:0\r\n");
sb.append("used_memory_vm_total:0\r\n");
sb.append("used_memory_vm_total_human:0K\r\n");
sb.append("used_memory_functions:0\r\n");
sb.append("used_memory_scripts:0\r\n");
sb.append("used_memory_scripts_human:0\r\n");
sb.append("maxmemory:0\r\n");
sb.append("maxmemory_human:0G\r\n");
sb.append("maxmemory_policy:allkeys-lru\r\n");
sb.append("allocator_frag_ratio:0\r\n");
sb.append("allocator_frag_bytes:0\r\n");
sb.append("allocator_rss_ratio:0\r\n");
sb.append("allocator_rss_bytes:0\r\n");
sb.append("rss_overhead_ratio:0\r\n");
sb.append("rss_overhead_bytes:0\r\n");
sb.append("mem_fragmentation_ratio:0\r\n");
sb.append("mem_fragmentation_bytes:0\r\n");
sb.append("mem_not_counted_for_evict:0\r\n");
sb.append("mem_replication_backlog:0\r\n");
sb.append("mem_total_replication_buffers:0\r\n");
sb.append("mem_clients_slaves:0\r\n");
sb.append("mem_clients_normal:0\r\n");
sb.append("mem_cluster_links:0\r\n");
sb.append("mem_aof_buffer:0\r\n");
sb.append("mem_allocator:none\r\n");
sb.append("active_defrag_running:0\r\n");
sb.append("lazyfree_pending_objects:0\r\n");
sb.append("lazyfreed_objects:0\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.PERSISTENCE)) {
sb.append("# Persistence\r\n");
sb.append("loading:0\r\n");
sb.append("async_loading:0\r\n");
sb.append("current_cow_peak:0\r\n");
sb.append("current_cow_size:0\r\n");
sb.append("current_cow_size_age:0\r\n");
sb.append("current_fork_perc:0.00\r\n");
sb.append("current_save_keys_processed:0\r\n");
sb.append("current_save_keys_total:0\r\n");
sb.append("rdb_changes_since_last_save:0\r\n");
sb.append("rdb_bgsave_in_progress:0\r\n");
sb.append("rdb_last_save_time:0\r\n");
sb.append("rdb_last_bgsave_status:ok\r\n");
sb.append("rdb_last_bgsave_time_sec:-1\r\n");
sb.append("rdb_current_bgsave_time_sec:-1\r\n");
sb.append("rdb_saves:0\r\n");
sb.append("rdb_last_cow_size:0\r\n");
sb.append("rdb_last_load_keys_expired:0\r\n");
sb.append("rdb_last_load_keys_loaded:0\r\n");
sb.append("aof_enabled:0\r\n");
sb.append("aof_rewrite_in_progress:0\r\n");
sb.append("aof_rewrite_scheduled:0\r\n");
sb.append("aof_last_rewrite_time_sec:-1\r\n");
sb.append("aof_current_rewrite_time_sec:-1\r\n");
sb.append("aof_last_bgrewrite_status:ok\r\n");
sb.append("aof_rewrites:0\r\n");
sb.append("aof_rewrites_consecutive_failures:0\r\n");
sb.append("aof_last_write_status:ok\r\n");
sb.append("aof_last_cow_size:0\r\n");
sb.append("module_fork_in_progress:0\r\n");
sb.append("module_fork_last_cow_size:0\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.STATS)) {
sb.append("# Stats\r\n");
sb.append("total_connections_received:0\r\n");
sb.append("total_commands_processed:0\r\n");
sb.append("instantaneous_ops_per_sec:0\r\n");
sb.append("total_net_input_bytes:0\r\n");
sb.append("total_net_output_bytes:0\r\n");
sb.append("total_net_repl_input_bytes:0\r\n");
sb.append("total_net_repl_output_bytes:0\r\n");
sb.append("instantaneous_input_kbps:0.00\r\n");
sb.append("instantaneous_output_kbps:0.00\r\n");
sb.append("instantaneous_input_repl_kbps:0.00\r\n");
sb.append("instantaneous_output_repl_kbps:0.00\r\n");
sb.append("rejected_connections:0\r\n");
sb.append("sync_full:0\r\n");
sb.append("sync_partial_ok:0\r\n");
sb.append("sync_partial_err:0\r\n");
sb.append("expired_keys:0\r\n");
sb.append("expired_stale_perc:0.00\r\n");
sb.append("expired_time_cap_reached_count:0\r\n");
sb.append("expire_cycle_cpu_milliseconds:0\r\n");
sb.append("evicted_keys:0\r\n");
sb.append("evicted_clients:0\r\n");
sb.append("total_eviction_exceeded_time:0\r\n");
sb.append("current_eviction_exceeded_time:0\r\n");
sb.append("keyspace_hits:0\r\n");
sb.append("keyspace_misses:0\r\n");
sb.append("pubsub_channels:0\r\n");
sb.append("pubsub_patterns:0\r\n");
sb.append("pubsubshard_channels:0\r\n");
sb.append("latest_fork_usec:0\r\n");
sb.append("total_forks:0\r\n");
sb.append("migrate_cached_sockets:0\r\n");
sb.append("slave_expires_tracked_keys:0\r\n");
sb.append("active_defrag_hits:0\r\n");
sb.append("active_defrag_misses:0\r\n");
sb.append("active_defrag_key_hits:0\r\n");
sb.append("active_defrag_key_misses:0\r\n");
sb.append("total_active_defrag_time:0\r\n");
sb.append("current_active_defrag_time:0\r\n");
sb.append("tracking_total_keys:0\r\n");
sb.append("tracking_total_items:0\r\n");
sb.append("tracking_total_prefixes:0\r\n");
sb.append("unexpected_error_replies:0\r\n");
sb.append("total_error_replies:0\r\n");
sb.append("dump_payload_sanitizations:0\r\n");
sb.append("total_reads_processed:0\r\n");
sb.append("total_writes_processed:0\r\n");
sb.append("io_threaded_reads_processed:0\r\n");
sb.append("io_threaded_writes_processed:0\r\n");
sb.append("reply_buffer_shrinks:0\r\n");
sb.append("reply_buffer_expands:0\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.REPLICATION)) {
sb.append("# Replication\r\n");
sb.append("role:master\r\n");
sb.append("connected_slaves:0\r\n");
sb.append("master_failover_state:no-failover\r\n");
sb.append("master_replid:0000000000000000000000000000000000000000\r\n");
sb.append("master_replid2:0000000000000000000000000000000000000000\r\n");
sb.append("master_repl_offset:0\r\n");
sb.append("second_repl_offset:-1\r\n");
sb.append("repl_backlog_active:0\r\n");
sb.append("repl_backlog_size:0\r\n");
sb.append("repl_backlog_first_byte_offset:0\r\n");
sb.append("repl_backlog_histlen:0\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.CPU)) {
sb.append("# CPU\r\n");
sb.append("used_cpu_sys:0\r\n");
sb.append("used_cpu_user:0\r\n");
sb.append("used_cpu_sys_children:0.000000\r\n");
sb.append("used_cpu_user_children:0.000000\r\n");
sb.append("used_cpu_sys_main_thread:0.000000\r\n");
sb.append("used_cpu_user_main_thread:0.000000\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.MODULES)) {
sb.append("# Modules\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.ERRORSTATS)) {
sb.append("# Errorstats\r\n");
sb.append("errorstat_ERR:count=0\r\n");
sb.append("errorstat_NOPERM:count=0\r\n");
sb.append("errorstat_WRONGTYPE:count=0\r\n");
sb.append(CRLF_STRING);
}
if (sections.contains(Section.CLUSTER)) {
sb.append("# Cluster\r\n");
if (handler.cache().getCacheConfiguration().clustering().cacheMode().isDistributed()) {
sb.append("cluster_enabled:1\r\n");
} else {
sb.append("cluster_enabled:0\r\n");
}
sb.append(CRLF_STRING);
}
if (sections.contains(Section.KEYSPACE)) {
sb.append("# Keyspace\r\n");
sb.append("db0:keys=0,expires=0,avg_ttl=0\r\n");
}
Resp3Response.string(sb, handler.allocator());
return handler.myStage();
}
enum Section {
SERVER,
CLIENTS,
MEMORY,
PERSISTENCE,
STATS,
REPLICATION,
CPU,
COMMANDSTATS,
LATENCYSTATS,
SENTINEL,
CLUSTER,
MODULES,
KEYSPACE,
ERRORSTATS,
ALL {
@Override
EnumSet implies() {
return EnumSet.complementOf(EnumSet.of(MODULES));
}
},
DEFAULT {
@Override
EnumSet implies() {
return EnumSet.of(SERVER, CLIENTS, MEMORY, PERSISTENCE, STATS, REPLICATION, CPU, MODULES, ERRORSTATS, CLUSTER, KEYSPACE);
}
},
EVERYTHING {
@Override
EnumSet implies() {
return EnumSet.allOf(Section.class);
}
};
EnumSet implies() {
return EnumSet.of(this);
}
}
private void appendClientSection(StringBuilder sb, ClientMetadata metadata) {
sb.append("# Clients\r\n");
long connections = metadata.getConnectedClients();
sb.append("connected_clients:").append(connections).append(CRLF_STRING);
sb.append("cluster_connections:").append(connections).append(CRLF_STRING);
sb.append("maxclients:10000\r\n");
sb.append("client_recent_max_input_buffer:0\r\n");
sb.append("client_recent_max_output_buffer:0\r\n");
sb.append("blocked_clients:").append(metadata.getBlockedClients()).append(CRLF_STRING);
sb.append("tracking_clients:0\r\n");
sb.append("pubsub_clients:").append(metadata.getPubSubClients()).append(CRLF_STRING);
sb.append("watching_clients:").append(metadata.getWatchingClients()).append(CRLF_STRING);
sb.append("clients_in_timeout_table:0\r\n");
sb.append("total_watched_keys:").append(metadata.getWatchedKeys()).append(CRLF_STRING);
sb.append("total_blocking_keys:").append(metadata.getBlockedKeys()).append(CRLF_STRING);
sb.append(CRLF_STRING);
}
}
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