1 package com.squareup.okhttp.internal.spdy; 2 3 // TODO: revisit for http/2 draft 9 4 // http://tools.ietf.org/html/draft-ietf-httpbis-http2-09#section-7 5 public enum ErrorCode { 6 /** Not an error! For SPDY stream resets, prefer null over NO_ERROR. */ 7 NO_ERROR(0, -1, 0), 8 9 PROTOCOL_ERROR(1, 1, 1), 10 11 /** A subtype of PROTOCOL_ERROR used by SPDY. */ 12 INVALID_STREAM(1, 2, -1), 13 14 /** A subtype of PROTOCOL_ERROR used by SPDY. */ 15 UNSUPPORTED_VERSION(1, 4, -1), 16 17 /** A subtype of PROTOCOL_ERROR used by SPDY. */ 18 STREAM_IN_USE(1, 8, -1), 19 20 /** A subtype of PROTOCOL_ERROR used by SPDY. */ 21 STREAM_ALREADY_CLOSED(1, 9, -1), 22 23 INTERNAL_ERROR(2, 6, 2), 24 25 FLOW_CONTROL_ERROR(3, 7, -1), 26 27 STREAM_CLOSED(5, -1, -1), 28 29 FRAME_TOO_LARGE(6, 11, -1), 30 31 REFUSED_STREAM(7, 3, -1), 32 33 CANCEL(8, 5, -1), 34 35 COMPRESSION_ERROR(9, -1, -1), 36 37 INVALID_CREDENTIALS(-1, 10, -1); 38 39 public final int httpCode; 40 public final int spdyRstCode; 41 public final int spdyGoAwayCode; 42 43 private ErrorCode(int httpCode, int spdyRstCode, int spdyGoAwayCode) { 44 this.httpCode = httpCode; 45 this.spdyRstCode = spdyRstCode; 46 this.spdyGoAwayCode = spdyGoAwayCode; 47 } 48 49 public static ErrorCode fromSpdy3Rst(int code) { 50 for (ErrorCode errorCode : ErrorCode.values()) { 51 if (errorCode.spdyRstCode == code) return errorCode; 52 } 53 return null; 54 } 55 56 public static ErrorCode fromHttp2(int code) { 57 for (ErrorCode errorCode : ErrorCode.values()) { 58 if (errorCode.httpCode == code) return errorCode; 59 } 60 return null; 61 } 62 63 public static ErrorCode fromSpdyGoAway(int code) { 64 for (ErrorCode errorCode : ErrorCode.values()) { 65 if (errorCode.spdyGoAwayCode == code) return errorCode; 66 } 67 return null; 68 } 69 } 70
