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nghttp2_helper.c
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nghttp2_helper.c
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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "nghttp2.h"
#include "nghttp2_mem.h"
#include <netinet/in.h>
#include <assert.h>
#include <string.h>
const char *nghttp2_strerror(int error_code) {
switch (error_code) {
case 0:
return "Success";
case NGHTTP2_ERR_INVALID_ARGUMENT:
return "Invalid argument";
case NGHTTP2_ERR_BUFFER_ERROR:
return "Out of buffer space";
case NGHTTP2_ERR_UNSUPPORTED_VERSION:
return "Unsupported SPDY version";
case NGHTTP2_ERR_WOULDBLOCK:
return "Operation would block";
case NGHTTP2_ERR_PROTO:
return "Protocol error";
case NGHTTP2_ERR_INVALID_FRAME:
return "Invalid frame octets";
case NGHTTP2_ERR_EOF:
return "EOF";
case NGHTTP2_ERR_DEFERRED:
return "Data transfer deferred";
case NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE:
return "No more Stream ID available";
case NGHTTP2_ERR_STREAM_CLOSED:
return "Stream was already closed or invalid";
case NGHTTP2_ERR_STREAM_CLOSING:
return "Stream is closing";
case NGHTTP2_ERR_STREAM_SHUT_WR:
return "The transmission is not allowed for this stream";
case NGHTTP2_ERR_INVALID_STREAM_ID:
return "Stream ID is invalid";
case NGHTTP2_ERR_INVALID_STREAM_STATE:
return "Invalid stream state";
case NGHTTP2_ERR_DEFERRED_DATA_EXIST:
return "Another DATA frame has already been deferred";
case NGHTTP2_ERR_START_STREAM_NOT_ALLOWED:
return "request HEADERS is not allowed";
case NGHTTP2_ERR_GOAWAY_ALREADY_SENT:
return "GOAWAY has already been sent";
case NGHTTP2_ERR_INVALID_HEADER_BLOCK:
return "Invalid header block";
case NGHTTP2_ERR_INVALID_STATE:
return "Invalid state";
case NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE:
return "The user callback function failed due to the temporal error";
case NGHTTP2_ERR_FRAME_SIZE_ERROR:
return "The length of the frame is invalid";
case NGHTTP2_ERR_HEADER_COMP:
return "Header compression/decompression error";
case NGHTTP2_ERR_FLOW_CONTROL:
return "Flow control error";
case NGHTTP2_ERR_INSUFF_BUFSIZE:
return "Insufficient buffer size given to function";
case NGHTTP2_ERR_PAUSE:
return "Callback was paused by the application";
case NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS:
return "Too many inflight SETTINGS";
case NGHTTP2_ERR_PUSH_DISABLED:
return "Server push is disabled by peer";
case NGHTTP2_ERR_DATA_EXIST:
return "DATA or HEADERS frame has already been submitted for the stream";
case NGHTTP2_ERR_SESSION_CLOSING:
return "The current session is closing";
case NGHTTP2_ERR_HTTP_HEADER:
return "Invalid HTTP header field was received";
case NGHTTP2_ERR_HTTP_MESSAGING:
return "Violation in HTTP messaging rule";
case NGHTTP2_ERR_REFUSED_STREAM:
return "Stream was refused";
case NGHTTP2_ERR_INTERNAL:
return "Internal error";
case NGHTTP2_ERR_CANCEL:
return "Cancel";
case NGHTTP2_ERR_SETTINGS_EXPECTED:
return "When a local endpoint expects to receive SETTINGS frame, it "
"receives an other type of frame";
case NGHTTP2_ERR_NOMEM:
return "Out of memory";
case NGHTTP2_ERR_CALLBACK_FAILURE:
return "The user callback function failed";
case NGHTTP2_ERR_BAD_CLIENT_MAGIC:
return "Received bad client magic byte string";
case NGHTTP2_ERR_FLOODED:
return "Flooding was detected in this HTTP/2 session, and it must be "
"closed";
case NGHTTP2_ERR_TOO_MANY_SETTINGS:
return "SETTINGS frame contained more than the maximum allowed entries";
default:
return "Unknown error code";
}
}