diff options
Diffstat (limited to 'vendor/gopkg.in/olivere/elastic.v5/connection.go')
-rw-r--r-- | vendor/gopkg.in/olivere/elastic.v5/connection.go | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/gopkg.in/olivere/elastic.v5/connection.go b/vendor/gopkg.in/olivere/elastic.v5/connection.go new file mode 100644 index 000000000..0f27a8756 --- /dev/null +++ b/vendor/gopkg.in/olivere/elastic.v5/connection.go @@ -0,0 +1,90 @@ +// Copyright 2012-present Oliver Eilhard. All rights reserved. +// Use of this source code is governed by a MIT-license. +// See http://olivere.mit-license.org/license.txt for details. + +package elastic + +import ( + "fmt" + "sync" + "time" +) + +// conn represents a single connection to a node in a cluster. +type conn struct { + sync.RWMutex + nodeID string // node ID + url string + failures int + dead bool + deadSince *time.Time +} + +// newConn creates a new connection to the given URL. +func newConn(nodeID, url string) *conn { + c := &conn{ + nodeID: nodeID, + url: url, + } + return c +} + +// String returns a representation of the connection status. +func (c *conn) String() string { + c.RLock() + defer c.RUnlock() + return fmt.Sprintf("%s [dead=%v,failures=%d,deadSince=%v]", c.url, c.dead, c.failures, c.deadSince) +} + +// NodeID returns the ID of the node of this connection. +func (c *conn) NodeID() string { + c.RLock() + defer c.RUnlock() + return c.nodeID +} + +// URL returns the URL of this connection. +func (c *conn) URL() string { + c.RLock() + defer c.RUnlock() + return c.url +} + +// IsDead returns true if this connection is marked as dead, i.e. a previous +// request to the URL has been unsuccessful. +func (c *conn) IsDead() bool { + c.RLock() + defer c.RUnlock() + return c.dead +} + +// MarkAsDead marks this connection as dead, increments the failures +// counter and stores the current time in dead since. +func (c *conn) MarkAsDead() { + c.Lock() + c.dead = true + if c.deadSince == nil { + utcNow := time.Now().UTC() + c.deadSince = &utcNow + } + c.failures += 1 + c.Unlock() +} + +// MarkAsAlive marks this connection as eligible to be returned from the +// pool of connections by the selector. +func (c *conn) MarkAsAlive() { + c.Lock() + c.dead = false + c.Unlock() +} + +// MarkAsHealthy marks this connection as healthy, i.e. a request has been +// successfully performed with it. +func (c *conn) MarkAsHealthy() { + c.Lock() + c.dead = false + c.deadSince = nil + c.failures = 0 + c.Unlock() +} |