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initial chunked transfer-encoding support

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This commit is contained in:
Daniel Stenberg 2001-03-07 17:12:12 +00:00
parent 2873c18132
commit 91e4da7ddb
2 changed files with 27 additions and 2 deletions
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28
lib/transfer.c
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@ -379,10 +379,22 @@ _Transfer(struct connectdata *c_conn)
*/ */
conn->bits.close = TRUE; /* close when done */ conn->bits.close = TRUE; /* close when done */
} }
else if (strnequal("Transfer-Encoding: chunked", p,
strlen("Transfer-Encoding: chunked"))) {
/*
* [RFC 2616, section 3.6.1] A 'chunked' transfer encoding
* means that the server will send a series of "chunks". Each
* chunk starts with line with info (including size of the
* coming block) (terminated with CRLF), then a block of data
* with the previously mentioned size. There can be any amount
* of chunks, and a chunk-data set to zero signals the
* end-of-chunks. */
conn->bits.chunk = TRUE; /* chunks coming our way */
}
else if (strnequal("Content-Range", p, 13)) { else if (strnequal("Content-Range", p, 13)) {
if (sscanf (p+13, ": bytes %d-", &offset) || if (sscanf (p+13, ": bytes %d-", &offset) ||
sscanf (p+13, ": bytes: %d-", &offset)) { sscanf (p+13, ": bytes: %d-", &offset)) {
/* This second format was added August 1st by Igor /* This second format was added August 1st 2000 by Igor
Khristophorov since Sun's webserver JavaWebServer/1.1.1 Khristophorov since Sun's webserver JavaWebServer/1.1.1
obviously sends the header this way! :-( */ obviously sends the header this way! :-( */
if (data->resume_from == offset) { if (data->resume_from == offset) {
@ -457,9 +469,14 @@ _Transfer(struct connectdata *c_conn)
is non-headers. */ is non-headers. */
if (str && !header && ((signed int)nread > 0)) { if (str && !header && ((signed int)nread > 0)) {
/*
* If we requested a HTTP header, this might be a good time to get
* out and return home.
*/
if(0 == bodywrites) { if(0 == bodywrites) {
/* These checks are only made the first time we are about to /* These checks are only made the first time we are about to
write a chunk of the body */ write a piece of the body */
if(conn->protocol&PROT_HTTP) { if(conn->protocol&PROT_HTTP) {
/* HTTP-only checks */ /* HTTP-only checks */
if (data->newurl) { if (data->newurl) {
@ -516,6 +533,13 @@ _Transfer(struct connectdata *c_conn)
} /* this is the first time we write a body part */ } /* this is the first time we write a body part */
bodywrites++; bodywrites++;
if(conn->bits.chunk) {
/*
* Bless me father for I have sinned. Here come a chunked
* transfer flighing and we need to decode this properly.
*/
}
if(conn->maxdownload && if(conn->maxdownload &&
(bytecount + nread >= conn->maxdownload)) { (bytecount + nread >= conn->maxdownload)) {
nread = conn->maxdownload - bytecount; nread = conn->maxdownload - bytecount;

1
lib/urldata.h
View File

@ -196,6 +196,7 @@ struct FILE {
struct ConnectBits { struct ConnectBits {
bool close; /* if set, we close the connection after this request */ bool close; /* if set, we close the connection after this request */
bool reuse; /* if set, this is a re-used connection */ bool reuse; /* if set, this is a re-used connection */
bool chunk; /* if set, this is a chunked transfer-encoding */
}; };
/* /*