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altsvc: Receive ALTSVC frame

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This commit is contained in:
Tatsuhiro Tsujikawa
2016-04-03 22:58:25 +09:00
parent efbd48b122
commit 795ee8c20f
10 changed files with 272 additions and 18 deletions
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25
lib/nghttp2_frame.h
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@@ -72,7 +72,7 @@
#define NGHTTP2_MAX_PADLEN 256
/* Union of extension frame payload */
typedef union { int dummy; } nghttp2_ext_frame_payload;
typedef union { nghttp2_ext_altsvc altsvc; } nghttp2_ext_frame_payload;
void nghttp2_frame_pack_frame_hd(uint8_t *buf, const nghttp2_frame_hd *hd);
@@ -378,6 +378,16 @@ void nghttp2_frame_unpack_window_update_payload(nghttp2_window_update *frame,
*/
int nghttp2_frame_pack_altsvc(nghttp2_bufs *bufs, nghttp2_extension *ext);
/*
* Unpacks ALTSVC wire format into |frame|. The |payload| of
* |payloadlen| bytes contains frame payload. This function assumes
* that frame->payload points to the nghttp2_ext_altsvc object.
*
* This function always succeeds and returns 0.
*/
void nghttp2_frame_unpack_altsvc_payload(nghttp2_extension *frame,
size_t origin_len, uint8_t *payload,
size_t payloadlen);
/*
* Initializes HEADERS frame |frame| with given values. |frame| takes
* ownership of |nva|, so caller must not free it. If |stream_id| is
@@ -456,10 +466,23 @@ void nghttp2_frame_extension_init(nghttp2_extension *frame, uint8_t type,
void nghttp2_frame_extension_free(nghttp2_extension *frame);
/*
* Initializes ALTSVC frame |frame| with given values. This function
* assumes that frame->payload points to nghttp2_ext_altsvc object.
* Also |origin| and |field_value| are allocated in single buffer,
* starting |origin|. On success, this function takes ownership of
* |origin|, so caller must not free it.
*/
void nghttp2_frame_altsvc_init(nghttp2_extension *frame, int32_t stream_id,
uint8_t *origin, size_t origin_len,
uint8_t *field_value, size_t field_value_len);
/*
* Frees up resources under |frame|. This function does not free
* nghttp2_ext_altsvc object pointed by frame->payload. This function
* only frees origin pointed by nghttp2_ext_altsvc.origin. Therefore,
* other fields must be allocated in the same buffer with origin.
*/
void nghttp2_frame_altsvc_free(nghttp2_extension *frame, nghttp2_mem *mem);
/*