148 lines
4.9 KiB
Go
148 lines
4.9 KiB
Go
package fasthttp
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import (
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"fmt"
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"sync/atomic"
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)
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// HTTP status codes were stolen from net/http.
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const (
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StatusContinue = 100
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StatusSwitchingProtocols = 101
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StatusOK = 200
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StatusCreated = 201
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StatusAccepted = 202
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StatusNonAuthoritativeInfo = 203
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StatusNoContent = 204
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StatusResetContent = 205
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StatusPartialContent = 206
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StatusMultipleChoices = 300
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StatusMovedPermanently = 301
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StatusFound = 302
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StatusSeeOther = 303
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StatusNotModified = 304
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StatusUseProxy = 305
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StatusTemporaryRedirect = 307
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StatusBadRequest = 400
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StatusUnauthorized = 401
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StatusPaymentRequired = 402
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StatusForbidden = 403
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StatusNotFound = 404
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StatusMethodNotAllowed = 405
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StatusNotAcceptable = 406
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StatusProxyAuthRequired = 407
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StatusRequestTimeout = 408
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StatusConflict = 409
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StatusGone = 410
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StatusLengthRequired = 411
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StatusPreconditionFailed = 412
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StatusRequestEntityTooLarge = 413
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StatusRequestURITooLong = 414
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StatusUnsupportedMediaType = 415
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StatusRequestedRangeNotSatisfiable = 416
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StatusExpectationFailed = 417
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StatusTeapot = 418
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StatusPreconditionRequired = 428
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StatusTooManyRequests = 429
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StatusRequestHeaderFieldsTooLarge = 431
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StatusInternalServerError = 500
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StatusNotImplemented = 501
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StatusBadGateway = 502
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StatusServiceUnavailable = 503
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StatusGatewayTimeout = 504
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StatusHTTPVersionNotSupported = 505
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StatusNetworkAuthenticationRequired = 511
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)
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var (
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statusLines atomic.Value
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statusMessages = map[int]string{
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StatusContinue: "Continue",
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StatusSwitchingProtocols: "SwitchingProtocols",
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StatusOK: "OK",
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StatusCreated: "Created",
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StatusAccepted: "Accepted",
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StatusNonAuthoritativeInfo: "Non-Authoritative Info",
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StatusNoContent: "No Content",
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StatusResetContent: "Reset Content",
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StatusPartialContent: "Partial Content",
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StatusMultipleChoices: "Multiple Choices",
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StatusMovedPermanently: "Moved Permanently",
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StatusFound: "Found",
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StatusSeeOther: "See Other",
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StatusNotModified: "Not Modified",
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StatusUseProxy: "Use Proxy",
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StatusTemporaryRedirect: "Temporary Redirect",
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StatusBadRequest: "Bad Request",
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StatusUnauthorized: "Unauthorized",
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StatusPaymentRequired: "Payment Required",
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StatusForbidden: "Forbidden",
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StatusNotFound: "Not Found",
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StatusMethodNotAllowed: "Method Not Allowed",
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StatusNotAcceptable: "Not Acceptable",
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StatusProxyAuthRequired: "Proxy Auth Required",
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StatusRequestTimeout: "Request Timeout",
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StatusConflict: "Conflict",
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StatusGone: "Gone",
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StatusLengthRequired: "Length Required",
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StatusPreconditionFailed: "Precondition Failed",
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StatusRequestEntityTooLarge: "Request Entity Too Large",
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StatusRequestURITooLong: "Request URI Too Long",
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StatusUnsupportedMediaType: "Unsupported Media Type",
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StatusRequestedRangeNotSatisfiable: "Requested Range Not Satisfiable",
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StatusExpectationFailed: "Expectation Failed",
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StatusTeapot: "Teapot",
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StatusPreconditionRequired: "Precondition Required",
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StatusTooManyRequests: "Too Many Requests",
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StatusRequestHeaderFieldsTooLarge: "Request HeaderFields Too Large",
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StatusInternalServerError: "Internal Server Error",
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StatusNotImplemented: "Not Implemented",
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StatusBadGateway: "Bad Gateway",
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StatusServiceUnavailable: "Service Unavailable",
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StatusGatewayTimeout: "Gateway Timeout",
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StatusHTTPVersionNotSupported: "HTTP Version Not Supported",
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StatusNetworkAuthenticationRequired: "Network Authentication Required",
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}
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)
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// StatusMessage returns HTTP status message for the given status code.
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func StatusMessage(statusCode int) string {
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s := statusMessages[statusCode]
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if s == "" {
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s = "Unknown Status Code"
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}
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return s
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}
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func init() {
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statusLines.Store(make(map[int][]byte))
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}
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func statusLine(statusCode int) []byte {
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m := statusLines.Load().(map[int][]byte)
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h := m[statusCode]
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if h != nil {
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return h
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}
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statusText := StatusMessage(statusCode)
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h = []byte(fmt.Sprintf("HTTP/1.1 %d %s\r\n", statusCode, statusText))
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newM := make(map[int][]byte, len(m)+1)
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for k, v := range m {
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newM[k] = v
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}
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newM[statusCode] = h
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statusLines.Store(newM)
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return h
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}
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