#ifndef L2SU_DOWNLOADPOOL_H_INCLUDED
#define L2SU_DOWNLOADPOOL_H_INCLUDED

#include <curl/curl.h>

typedef struct l2_dlpool__pool_tag l2_dlpool_t;

/* returns <0 for "error" (this handle is not used)
 * returns 0 for "ok I have made my changes" */
typedef int (l2_dlpool_download_init_proc_t)(CURL * /*easy*/, void * /*user*/);

/* returns <0 for "give up on downloading everything (error)"
 * returns anything else for "download succeeded (proceed)" */
typedef int (l2_dlpool_one_downloaded_proc_t)(CURL * /*easy*/, CURLcode /*code*/, void * /*user*/);

l2_dlpool_t *l2_dlpool_init(l2_dlpool_download_init_proc_t *init, l2_dlpool_one_downloaded_proc_t *dlproc);
l2_dlpool_t *l2_dlpool_init2(l2_dlpool_download_init_proc_t *init, l2_dlpool_one_downloaded_proc_t *dlproc, size_t handles);

/* returns >0 for a successful addition, 0 for aborted (init proc returned <0), <0 for error */
int l2_dlpool_add(l2_dlpool_t *pool, void *user);
int l2_dlpool_perform(l2_dlpool_t *pool);
void l2_dlpool_cleanup(l2_dlpool_t *pool);

#endif /* include guard */