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Define constants for ALTSVC frame parsing

This commit is contained in:
Tatsuhiro Tsujikawa 2014-05-22 21:36:12 +09:00
parent 6d942dc0a6
commit 2aa84019c7
3 changed files with 14 additions and 5 deletions
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3
lib/nghttp2_frame.c
View File

@ -196,8 +196,7 @@ void nghttp2_frame_altsvc_init(nghttp2_altsvc *frame, int32_t stream_id,
{
size_t payloadlen;
/* 8 for Max-Age, Port, Reserved and PID_LEN. 1 for HOST_LEN. */
payloadlen = 8 + protocol_id_len + 1 + host_len + origin_len;
payloadlen = NGHTTP2_ALTSVC_MINLEN + protocol_id_len + host_len + origin_len;
frame_set_hd(&frame->hd, payloadlen, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE,
stream_id);

10
lib/nghttp2_frame.h
View File

@ -60,6 +60,16 @@
/* The maximum header table size in SETTINGS_HEADER_TABLE_SIZE */
#define NGHTTP2_MAX_HEADER_TABLE_SIZE ((1u << 31) - 1)
/* Length of fixed part in ALTSVC frame, that is the sum of fields of
Max-Age, Port, Reserved and PID_LEN. */
#define NGHTTP2_ALTSVC_FIXED_PARTLEN 8
/* Minimum length of ALTSVC frame. NGHTTP2_ALTSVC_FIXED_PARTLEN +
HOST_LEN. */
#define NGHTTP2_ALTSVC_MINLEN 9
/* Category of frames. */
typedef enum {
/* non-DATA frame */

6
lib/nghttp2_session.c
View File

@ -4490,7 +4490,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session,
break;
}
if(iframe->payloadleft < 9) {
if(iframe->payloadleft < NGHTTP2_ALTSVC_MINLEN) {
busy = 1;
iframe->state = NGHTTP2_IB_FRAME_SIZE_ERROR;
@ -4499,7 +4499,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session,
}
iframe->state = NGHTTP2_IB_READ_NBYTE;
inbound_frame_set_mark(iframe, 8);
inbound_frame_set_mark(iframe, NGHTTP2_ALTSVC_FIXED_PARTLEN);
break;
case NGHTTP2_BLOCKED:
@ -4711,7 +4711,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session,
case NGHTTP2_ALTSVC: {
size_t varlen;
varlen = iframe->frame.hd.length - 8;
varlen = iframe->frame.hd.length - NGHTTP2_ALTSVC_FIXED_PARTLEN;
if(varlen > 0) {
iframe->raw_lbuf = malloc(varlen);