1 // 2 // 3 // Copyright 2015 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 // 17 // 18 19 #include <grpc/support/port_platform.h> 20 21 #include "src/core/lib/transport/status_conversion.h" 22 grpc_status_to_http2_error(grpc_status_code status)23grpc_http2_error_code grpc_status_to_http2_error(grpc_status_code status) { 24 switch (status) { 25 case GRPC_STATUS_OK: 26 return GRPC_HTTP2_NO_ERROR; 27 case GRPC_STATUS_CANCELLED: 28 return GRPC_HTTP2_CANCEL; 29 case GRPC_STATUS_DEADLINE_EXCEEDED: 30 return GRPC_HTTP2_CANCEL; 31 case GRPC_STATUS_RESOURCE_EXHAUSTED: 32 return GRPC_HTTP2_ENHANCE_YOUR_CALM; 33 case GRPC_STATUS_PERMISSION_DENIED: 34 return GRPC_HTTP2_INADEQUATE_SECURITY; 35 case GRPC_STATUS_UNAVAILABLE: 36 return GRPC_HTTP2_REFUSED_STREAM; 37 default: 38 return GRPC_HTTP2_INTERNAL_ERROR; 39 } 40 } 41 grpc_http2_error_to_grpc_status(grpc_http2_error_code error,grpc_core::Timestamp deadline)42grpc_status_code grpc_http2_error_to_grpc_status( 43 grpc_http2_error_code error, grpc_core::Timestamp deadline) { 44 switch (error) { 45 case GRPC_HTTP2_NO_ERROR: 46 // should never be received 47 return GRPC_STATUS_INTERNAL; 48 case GRPC_HTTP2_CANCEL: 49 // http2 cancel translates to STATUS_CANCELLED iff deadline hasn't been 50 // exceeded 51 return grpc_core::Timestamp::Now() > deadline 52 ? GRPC_STATUS_DEADLINE_EXCEEDED 53 : GRPC_STATUS_CANCELLED; 54 case GRPC_HTTP2_ENHANCE_YOUR_CALM: 55 return GRPC_STATUS_RESOURCE_EXHAUSTED; 56 case GRPC_HTTP2_INADEQUATE_SECURITY: 57 return GRPC_STATUS_PERMISSION_DENIED; 58 case GRPC_HTTP2_REFUSED_STREAM: 59 return GRPC_STATUS_UNAVAILABLE; 60 default: 61 return GRPC_STATUS_INTERNAL; 62 } 63 } 64 grpc_http2_status_to_grpc_status(int status)65grpc_status_code grpc_http2_status_to_grpc_status(int status) { 66 switch (status) { 67 // these HTTP2 status codes are called out explicitly in status.proto 68 case 200: 69 return GRPC_STATUS_OK; 70 case 400: 71 return GRPC_STATUS_INTERNAL; 72 case 401: 73 return GRPC_STATUS_UNAUTHENTICATED; 74 case 403: 75 return GRPC_STATUS_PERMISSION_DENIED; 76 case 404: 77 return GRPC_STATUS_UNIMPLEMENTED; 78 case 429: 79 return GRPC_STATUS_UNAVAILABLE; 80 case 502: 81 return GRPC_STATUS_UNAVAILABLE; 82 case 503: 83 return GRPC_STATUS_UNAVAILABLE; 84 case 504: 85 return GRPC_STATUS_UNAVAILABLE; 86 // everything else is unknown 87 default: 88 return GRPC_STATUS_UNKNOWN; 89 } 90 } 91 grpc_status_to_http2_status(grpc_status_code)92int grpc_status_to_http2_status(grpc_status_code /*status*/) { return 200; } 93