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When doing very big GET requests over HTTPS, we need to add some extra

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funky logic in order to make re-tries work fine with OpenSSL. This corrects
the problem David Orrell noticed.
This commit is contained in:
Daniel Stenberg 2003-06-06 14:58:26 +00:00
parent bc7fe85f8a
commit 8d30d34e0c
1 changed files with 23 additions and 1 deletions
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24
lib/http.c
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@ -191,6 +191,7 @@ CURLcode add_buffer_send(send_buffer *in,
char *ptr;
int size;
struct HTTP *http = conn->proto.http;
int sendsize;
/* The looping below is required since we use non-blocking sockets, but due
to the circumstances we will just loop and try again and again etc */
@ -198,7 +199,28 @@ CURLcode add_buffer_send(send_buffer *in,
ptr = in->buffer;
size = in->size_used;
res = Curl_write(conn, sockfd, ptr, size, &amount);
if(conn->protocol & PROT_HTTPS) {
/* We never send more than CURL_MAX_WRITE_SIZE bytes in one single chunk
when we speak HTTPS, as if only a fraction of it is sent now, this data
needs to fit into the normal read-callback buffer later on and that
buffer is using this size.
*/
sendsize= (size > CURL_MAX_WRITE_SIZE)?CURL_MAX_WRITE_SIZE:size;
/* OpenSSL is very picky and we must send the SAME buffer pointer to the
library when we attempt to re-send this buffer. Sending the same data
is not enough, we must use the exact same address. For this reason, we
must copy the data to the uploadbuffer first, since that is the buffer
we will be using if this send is retried later.
*/
memcpy(conn->data->state.uploadbuffer, ptr, sendsize);
ptr = conn->data->state.uploadbuffer;
}
else
sendsize = size;
res = Curl_write(conn, sockfd, ptr, sendsize, &amount);
if(CURLE_OK == res) {