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changelog update file api about wsi

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Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2015-12-14 07:21:42 +08:00
parent 3f62870e67
commit 3f59996e67
1 changed files with 12 additions and 16 deletions
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28
changelog
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@ -15,36 +15,32 @@ requested.
The test server shows how to use it, basically the platform-specific part of
lws prepares a file operations structure that lives in the lws context.
The user code can get a pointer to the file operations struct
LWS_VISIBLE LWS_EXTERN struct lws_plat_file_ops *
lws_get_fops(struct lws_context *context);
and then can use it with helpers to also leverage these platform-independent
file handling apis
Helpers are provided to also leverage these platform-independent file handling
apis
static inline lws_filefd_type
lws_plat_file_open(struct lws_plat_file_ops *fops, const char *filename,
lws_plat_file_open(struct lws *wsi, const char *filename,
unsigned long *filelen, int flags)
static inline int
lws_plat_file_close(struct lws_plat_file_ops *fops, lws_filefd_type fd)
lws_plat_file_close(struct lws *wsi, lws_filefd_type fd)
static inline unsigned long
lws_plat_file_seek_cur(struct lws_plat_file_ops *fops, lws_filefd_type fd,
long offset_from_cur_pos)
lws_plat_file_seek_cur(struct lws *wsi, lws_filefd_type fd, long offset)
static inline int
lws_plat_file_read(struct lws_plat_file_ops *fops, lws_filefd_type fd,
unsigned long *amount, unsigned char *buf, unsigned long len)
lws_plat_file_read(struct lws *wsi, lws_filefd_type fd, unsigned long *amount,
unsigned char *buf, unsigned long len)
static inline int
lws_plat_file_write(struct lws_plat_file_ops *fops, lws_filefd_type fd,
unsigned long *amount, unsigned char *buf, unsigned long len)
lws_plat_file_write(struct lws *wsi, lws_filefd_type fd, unsigned long *amount,
unsigned char *buf, unsigned long len)
The user code can also override or subclass the file operations, to either
wrap or replace them. An example is shown in test server.
A wsi can be associated with the file activity, allowing per-connection
authentication and state to be used when interpreting the file request.
2) A new API void * lws_wsi_user(struct lws *wsi) lets you get the pointer to
the user data associated with the wsi, just from the wsi.