caching.h File Reference

#include "ulinet.h"
#include "service.h"

Go to the source code of this file.

Functions
void	addToCache (maps *, char *, char *, char *, int, char *, size_t)
	Cache a file for a given request. More...
char *	isInCache (maps *, char *)
	Verify if a url is available in the cache. More...
int	runHttpRequests (maps **, maps **, HINTERNET *, map **)
	Effectively run all the HTTP requests in the queue. More...
void	addRequestToQueue (maps **, HINTERNET *, const char *, bool)
	Add a request in the download queue. More...
int	loadRemoteFile (maps **, map **, HINTERNET *, char *)
	Try to load file from cache or download a remote file if not in cache. More...
char *	getMd5f (char *)
	Compute md5 of a file. More...
int	storeMd5 (char *)

Function Documentation

void addRequestToQueue	(	maps **	m,
		HINTERNET *	hInternet,
		const char *	url,
		bool	req
	)

Add a request in the download queue.

Parameters

m	the maps containing the settings of the main.cfg file
url	the url to add to the queue

void addToCache	(	maps *	conf,
		char *	request,
		char *	content,
		char *	mimeType,
		int	length,
		char *	filepath,
		size_t	max_path
	)

Cache a file for a given request.

For each cached file, the are two files stored, a .zca and a .zcm containing the downloaded content and the mimeType respectively.

Parameters

conf	the maps containing the settings of the main.cfg file
request	the url used too fetch the content
content	the downloaded content
mimeType	the content mimeType
length	the content size
filepath	a buffer for storing the path of the cached file; may be NULL
max_path	the size of the allocated filepath buffer

char* getMd5f

(

char *

file

)

Compute md5 of a file.

Parameters

file

the char*

Returns

a char* representing the md5 of the url

Warning

make sure to free resources returned by this function

char* isInCache	(	maps *	conf,
		char *	request
	)

Verify if a url is available in the cache.

Parameters

conf	the maps containing the settings of the main.cfg file
request	the url

Returns

the full name of the cached file if any, NULL in other case

Warning

make sure to free resources returned by this function (if not NULL)

int loadRemoteFile	(	maps **	m,
		map **	content,
		HINTERNET *	hInternet,
		char *	url
	)

Try to load file from cache or download a remote file if not in cache.

Parameters

m	the maps containing the settings of the main.cfg file
content	the map to update
hInternet	the HINTERNET pointer
url	the url to fetch

Returns

0

int runHttpRequests	(	maps **	m,
		maps **	inputs,
		HINTERNET *	hInternet,
		map **	error
	)

Effectively run all the HTTP requests in the queue.

Parameters

m	the maps containing the settings of the main.cfg file
inputs	the maps containing the inputs (defined in the requests+added per default based on the zcfg file)
hInternet	the HINTERNET pointer
error	the error map pointer

Returns

0 on success, -1 on failure

int storeMd5

(

char *

)