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#ifndef _GLOBALS_H_
#define _GLOBALS_H_
#include "../types.h"
#include <stdint.h>
#include <time.h>
#include <pthread.h>
// ######### All structs/types used by the server ########
typedef struct
{
int fd;
} dnbd3_connection_t;
typedef struct
{
uint16_t len;
uint8_t data[65535];
} dnbd3_binstring_t;
// Do not always allocate as much memory as required to hold the entire binstring struct,
// but only as much as is required to hold the actual data
#define NEW_BINSTRING(_name, _len) \
dnbd3_binstring_t *_name = malloc(sizeof(uint16_t) + _len); \
_name->len = _len
typedef struct
{
char comment[COMMENT_LENGTH];
time_t last_told;
dnbd3_host_t host;
} dnbd3_alt_server_t;
typedef struct
{
char comment[COMMENT_LENGTH];
dnbd3_host_t host;
dnbd3_host_t mask;
} dnbd3_acess_rules_t;
/**
* Image struct. An image path could be something like
* /mnt/images/rz/zfs/Windows7 ZfS.vmdk.1
* and the lower_name would then be
* rz/zfs/windows7 zfs.vmdk
*/
typedef struct
{
char *path; // absolute path of the image
char *lower_name; // relative path, all lowercase, minus revision ID
uint8_t *cache_map; // cache map telling which parts are locally cached, NULL if complete
uint32_t *crc32; // list of crc32 checksums for each 16MiB block in image
dnbd3_connection_t *uplink; // pointer to a server connection
uint64_t filesize; // size of image
int rid; // revision of image
int users; // clients currently using this image
time_t atime; // last access time
char working; // TRUE if image exists and completeness is == 100% or a working upstream proxy is connected
pthread_spinlock_t lock;
} dnbd3_image_t;
typedef struct
{
int sock;
dnbd3_host_t host;
uint8_t is_server; // TRUE if a server in proxy mode, FALSE if real client
pthread_t thread;
dnbd3_image_t *image;
pthread_spinlock_t lock;
//GSList *sendqueue; // list of dnbd3_binstring_t*
} dnbd3_client_t;
// #######################################################
/**
* Base directory where all images are stored in. Will always have a trailing slash
*/
extern char *_basePath;
/**
* Whether or not simple *.vmdk files should be treated as revision 1
*/
extern int _vmdkLegacyMode;
extern int _shutdown;
#endif /* GLOBALS_H_ */
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