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document how the header fragments work

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Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2015-12-15 23:03:29 +08:00
parent 566eb4381c
commit fac92eb7cb
1 changed files with 11 additions and 1 deletions
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12
lib/private-libwebsockets.h
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@ -600,7 +600,7 @@ enum uri_esc_states {
struct lws_fragments {
unsigned short offset;
unsigned short len;
unsigned char nfrag;
unsigned char nfrag; /* which ah->frag[] continues this content, or 0 */
};
/* notice that these union members:
@ -618,9 +618,19 @@ struct lws_fragments {
struct allocated_headers {
unsigned char nfrag;
unsigned short pos;
/*
* for each recognized token, frag_index says which frag[] his data
* starts in (0 means the token did not appear)
* the actual header data gets dumped as it comes in, into data[]
*/
unsigned char frag_index[WSI_TOKEN_COUNT];
/*
* the randomly ordered fragments, indexed by frag_index and
* lws_fragments->nfrag for continuation.
*/
struct lws_fragments frags[WSI_TOKEN_COUNT * 2];
char data[LWS_MAX_HEADER_LEN];
#ifndef LWS_NO_CLIENT
char initial_handshake_hash_base64[30];
unsigned short c_port;