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59 lines
2.5 KiB
Go
59 lines
2.5 KiB
Go
package newrelic
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import (
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"net/http"
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"time"
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)
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// Application represents your application.
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type Application interface {
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// StartTransaction begins a Transaction.
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// * The Transaction should only be used in a single goroutine.
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// * This method never returns nil.
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// * If an http.Request is provided then the Transaction is considered
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// a web transaction.
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// * If an http.ResponseWriter is provided then the Transaction can be
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// used in its place. This allows instrumentation of the response
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// code and response headers.
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StartTransaction(name string, w http.ResponseWriter, r *http.Request) Transaction
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// RecordCustomEvent adds a custom event to the application. This
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// feature is incompatible with high security mode.
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//
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// eventType must consist of alphanumeric characters, underscores, and
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// colons, and must contain fewer than 255 bytes.
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//
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// Each value in the params map must be a number, string, or boolean.
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// Keys must be less than 255 bytes. The params map may not contain
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// more than 64 attributes. For more information, and a set of
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// restricted keywords, see:
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//
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// https://docs.newrelic.com/docs/insights/new-relic-insights/adding-querying-data/inserting-custom-events-new-relic-apm-agents
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RecordCustomEvent(eventType string, params map[string]interface{}) error
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// WaitForConnection blocks until the application is connected, is
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// incapable of being connected, or the timeout has been reached. This
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// method is useful for short-lived processes since the application will
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// not gather data until it is connected. nil is returned if the
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// application is connected successfully.
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WaitForConnection(timeout time.Duration) error
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// Shutdown flushes data to New Relic's servers and stops all
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// agent-related goroutines managing this application. After Shutdown
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// is called, the application is disabled and no more data will be
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// collected. This method will block until all final data is sent to
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// New Relic or the timeout has elapsed.
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Shutdown(timeout time.Duration)
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}
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// NewApplication creates an Application and spawns goroutines to manage the
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// aggregation and harvesting of data. On success, a non-nil Application and a
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// nil error are returned. On failure, a nil Application and a non-nil error
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// are returned.
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//
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// Applications do not share global state (other than the shared log.Logger).
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// Therefore, it is safe to create multiple applications.
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func NewApplication(c Config) (Application, error) {
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return newApp(c)
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}
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