src/

Package secretbox encrypts and authenticates small messages.

Package poly1305 implements Poly1305 one-time message authentication code as specified in http://cr.yp.to/mac/poly1305-20050329.pdf.

Package salsa provides low-level access to functions in the Salsa family.

Provides basic bulding blocks for advanced console UI Coordinate system: 1/1---X----> | Y | v Documentation for ANSI codes: http://en.wikipedia.org/wiki/ANSI_escape_code#Colors Inspired by: http://www.darkcoding.net/software/pretty-command-line-console-output-on-unix-in-python-and-go-lang/

Package hdrhistogram provides an implementation of Gil Tene's HDR Histogram data structure.

Package cli provides a minimal framework for creating and organizing command line Go applications.

Package gorilla/context stores values shared during a request lifetime.

Package gorilla/mux implements a request router and dispatcher.

Package manners provides a wrapper for a standard net/http server that ensures all active HTTP client have completed their current request before the server shuts down.

Predicate package used to create interpreted mini languages with Go syntax - mostly to define various predicates for configuration, e.g.

package route provides http package-compatible routing library.

This package contains the reverse proxy that implements http.HandlerFunc

Circuit breakers start in the Standby state first, observing responses and watching location metrics.

Endpoints - final destination of the http request

Utility functions for producing errorneous http responses

Constants with common HTTP headers

Interfaces for request limiting

Simultaneous connection limiter

Tokenbucket based request rate limiter

Load balancers control how requests are distributed among multiple endpoints.

Dynamic weighted round robin load balancer

Interfaces for location - round trip the http request to backends

HTTP location with load balancing and pluggable middlewares

In memory request performance metrics

Middlewares can modify or intercept requests and responses

Network related utilities

Wrapper around http.Request with additional features

Route the request to a location

see http://godoc.org/github.com/mailgun/route for documentation on the language

Route the request by hostname

Route the request by path

Package template consolidates various templating utilities used throughout different parts of vulcan.

Package threshold contains predicates that can define various request thresholds Examples: * RequestMethod() == "GET" triggers action when request method equals "GET" * IsNetworkError() - triggers action on network errors * RequestMethod() == "GET" && Attempts <= 2 && (IsNetworkError() || ResponseCode() == 408) This predicate triggers for GET requests with maximum 2 attempts on network errors or when upstream returns special http response code 408

Package check is a rich testing extension for Go's testing package.