package nsqd
import (
"sort"
"sync/atomic"
"github.com/nsqio/nsq/internal/quantile"
)
type TopicStats struct {
TopicName string `json:"topic_name"`
Channels []ChannelStats `json:"channels"`
Depth int64 `json:"depth"`
BackendDepth int64 `json:"backend_depth"`
MessageCount uint64 `json:"message_count"`
Paused bool `json:"paused"`
E2eProcessingLatency *quantile.Result `json:"e2e_processing_latency"`
}
func NewTopicStats(t *Topic, channels []ChannelStats) TopicStats {
return TopicStats{
TopicName: t.name,
Channels: channels,
Depth: t.Depth(),
BackendDepth: t.backend.Depth(),
MessageCount: atomic.LoadUint64(&t.messageCount),
Paused: t.IsPaused(),
E2eProcessingLatency: t.AggregateChannelE2eProcessingLatency().Result(),
}
}
type ChannelStats struct {
ChannelName string `json:"channel_name"`
Depth int64 `json:"depth"`
BackendDepth int64 `json:"backend_depth"`
InFlightCount int `json:"in_flight_count"`
DeferredCount int `json:"deferred_count"`
MessageCount uint64 `json:"message_count"`
RequeueCount uint64 `json:"requeue_count"`
TimeoutCount uint64 `json:"timeout_count"`
Clients []ClientStats `json:"clients"`
Paused bool `json:"paused"`
E2eProcessingLatency *quantile.Result `json:"e2e_processing_latency"`
}
func NewChannelStats(c *Channel, clients []ClientStats) ChannelStats {
return ChannelStats{
ChannelName: c.name,
Depth: c.Depth(),
BackendDepth: c.backend.Depth(),
InFlightCount: len(c.inFlightMessages),
DeferredCount: len(c.deferredMessages),
MessageCount: atomic.LoadUint64(&c.messageCount),
RequeueCount: atomic.LoadUint64(&c.requeueCount),
TimeoutCount: atomic.LoadUint64(&c.timeoutCount),
Clients: clients,
Paused: c.IsPaused(),
E2eProcessingLatency: c.e2eProcessingLatencyStream.Result(),
}
}
type ClientStats struct {
// TODO: deprecated, remove in 1.0
Name string `json:"name"`
ClientID string `json:"client_id"`
Hostname string `json:"hostname"`
Version string `json:"version"`
RemoteAddress string `json:"remote_address"`
State int32 `json:"state"`
ReadyCount int64 `json:"ready_count"`
InFlightCount int64 `json:"in_flight_count"`
MessageCount uint64 `json:"message_count"`
FinishCount uint64 `json:"finish_count"`
RequeueCount uint64 `json:"requeue_count"`
ConnectTime int64 `json:"connect_ts"`
SampleRate int32 `json:"sample_rate"`
Deflate bool `json:"deflate"`
Snappy bool `json:"snappy"`
UserAgent string `json:"user_agent"`
Authed bool `json:"authed,omitempty"`
AuthIdentity string `json:"auth_identity,omitempty"`
AuthIdentityURL string `json:"auth_identity_url,omitempty"`
TLS bool `json:"tls"`
CipherSuite string `json:"tls_cipher_suite"`
TLSVersion string `json:"tls_version"`
TLSNegotiatedProtocol string `json:"tls_negotiated_protocol"`
TLSNegotiatedProtocolIsMutual bool `json:"tls_negotiated_protocol_is_mutual"`
}
type Topics []*Topic
func (t Topics) Len() int { return len(t) }
func (t Topics) Swap(i, j int) { t[i], t[j] = t[j], t[i] }
type TopicsByName struct {
Topics
}
func (t TopicsByName) Less(i, j int) bool { return t.Topics[i].name < t.Topics[j].name }
type Channels []*Channel
func (c Channels) Len() int { return len(c) }
func (c Channels) Swap(i, j int) { c[i], c[j] = c[j], c[i] }
type ChannelsByName struct {
Channels
}
func (c ChannelsByName) Less(i, j int) bool { return c.Channels[i].name < c.Channels[j].name }
func (n *NSQD) GetStats() []TopicStats {
n.RLock()
realTopics := make([]*Topic, 0, len(n.topicMap))
for _, t := range n.topicMap {
realTopics = append(realTopics, t)
}
n.RUnlock()
sort.Sort(TopicsByName{realTopics})
topics := make([]TopicStats, 0, len(realTopics))
for _, t := range realTopics {
t.RLock()
realChannels := make([]*Channel, 0, len(t.channelMap))
for _, c := range t.channelMap {
realChannels = append(realChannels, c)
}
t.RUnlock()
sort.Sort(ChannelsByName{realChannels})
channels := make([]ChannelStats, 0, len(realChannels))
for _, c := range realChannels {
c.RLock()
clients := make([]ClientStats, 0, len(c.clients))
for _, client := range c.clients {
clients = append(clients, client.Stats())
}
c.RUnlock()
channels = append(channels, NewChannelStats(c, clients))
}
topics = append(topics, NewTopicStats(t, channels))
}
return topics
}