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Added spdylay_stream_add_pushed_stream

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With this function and 3 new member in spdylay_stream, we can track server-
pushed streams which associate them to this stream.
This commit is contained in:
Tatsuhiro Tsujikawa
2012-02-02 21:51:52 +09:00
parent e1abe54a81
commit bb6a90dc4d
6 changed files with 119 additions and 7 deletions
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24
lib/spdylay_stream.c
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@@ -33,12 +33,34 @@ void spdylay_stream_init(spdylay_stream *stream, int32_t stream_id,
stream->pri = pri;
stream->state = initial_state;
stream->shut_flags = SPDYLAY_SHUT_NONE;
stream->pushed_streams = NULL;
stream->pushed_streams_length = 0;
stream->pushed_streams_capacity = 0;
}
void spdylay_stream_free(spdylay_stream *stream)
{}
{
free(stream->pushed_streams);
}
void spdylay_stream_shutdown(spdylay_stream *stream, spdylay_shut_flag flag)
{
stream->shut_flags |= flag;
}
int spdylay_stream_add_pushed_stream(spdylay_stream *stream, int32_t stream_id)
{
if(stream->pushed_streams_capacity == stream->pushed_streams_length) {
int32_t *streams;
size_t capacity = stream->pushed_streams_capacity == 0 ?
5 : stream->pushed_streams_capacity*2;
streams = realloc(stream->pushed_streams, capacity*sizeof(uint32_t));
if(streams == NULL) {
return SPDYLAY_ERR_NOMEM;
}
stream->pushed_streams = streams;
stream->pushed_streams_capacity = capacity;
}
stream->pushed_streams[stream->pushed_streams_length++] = stream_id;
return 0;
}

18
lib/spdylay_stream.h
View File

@@ -77,9 +77,14 @@ typedef struct {
uint8_t pri;
/* Bitwise OR of zero or more spdylay_shut_flag values */
uint8_t shut_flags;
/* TODO spdylay_stream should remember pushed stream ID, so that if
RST_STREAM with CANCEL (mandatory?) is sent, we can close all of
them. */
/* The array of server-pushed stream IDs which associate them to
this stream. */
int32_t *pushed_streams;
/* The number of stored pushed stream ID in |pushed_streams| */
size_t pushed_streams_length;
/* The maximum number of stream ID the |pushed_streams| can
store. */
size_t pushed_streams_capacity;
} spdylay_stream;
void spdylay_stream_init(spdylay_stream *stream, int32_t stream_id,
@@ -94,4 +99,11 @@ void spdylay_stream_free(spdylay_stream *stream);
*/
void spdylay_stream_shutdown(spdylay_stream *stream, spdylay_shut_flag flag);
/*
* Add server-pushed |stream_id| to this stream. This happens when
* server-pushed stream is associated to this stream. This function
* returns 0 if it succeeds, or negative error code.
*/
int spdylay_stream_add_pushed_stream(spdylay_stream *stream, int32_t stream_id);
#endif /* SPDYLAY_STREAM */