CURL library API has changed, the current curl driver is not working.
This patch rewrites the use of API as well as the structure of internal
states.
BDRVCURLState holds the pointer to curl multi interface (man 3
libcurl-multi), and 4 lists for internal states:
- CURLState holds state for libcurl connection (man 3 libcurl-easy)
- CURLSockInfo holds information for libcurl socket interface (man 3
curl_multi_socket_action).
- CURLDataCache holds the user data read from libcurl, it is in a list
ordered by access, the used cache is moved to list head on access, so
the tail element is freed first. BDRVCURLState.cache_quota is the
threshold to start freeing cache.
- CURLAIOCB holds ongoing aio information.
Changes from v2:
00: Removed previous 09, since changes are included in previous
commits.
previous 09: curl: release everything on curl close.
01: Add commit message for introducing CURLSockInfo. Remove
unnecessary pointer type cast.
02: Use sizeof instead of macro for s->range len.
04: Use pstrcpy and strncasecmp.
06: Add commit message for why is there a cache in curl.c.
Changes from v1:
Split to multiple patches. The final status should be identical to v1.
Fam Zheng (10):
curl: introduce CURLSockInfo to BDRVCURLState.
curl: change magic number to sizeof
curl: change curl_multi_do to curl_fd_handler
curl: fix curl_open
curl: add timer to BDRVCURLState
curl: introduce CURLDataCache
curl: make use of CURLDataCache.
curl: use list to store CURLState
curl: add cache quota.
curl: introduce ssl_no_cert runtime option.
block/curl.c | 558 ++++++++++++++++++++++++++++++++++++-----------------------
1 file changed, 345 insertions(+), 213 deletions(-)
--
1.8.1.4
