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author | sr | 2013-07-15 20:46:42 +0200 |
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committer | sr | 2013-07-15 20:46:42 +0200 |
commit | 2c9731d63810c839c8040d9d7131326ad48d515b (patch) | |
tree | 5350a04a8f39b07e2c70bb54af99aebbaf0c8b94 /src/server/globals.h | |
parent | Rewriiiiiiiiite (diff) | |
download | dnbd3-2c9731d63810c839c8040d9d7131326ad48d515b.tar.gz dnbd3-2c9731d63810c839c8040d9d7131326ad48d515b.tar.xz dnbd3-2c9731d63810c839c8040d9d7131326ad48d515b.zip |
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Diffstat (limited to 'src/server/globals.h')
-rw-r--r-- | src/server/globals.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/server/globals.h b/src/server/globals.h index ccdaa01..e8203ea 100644 --- a/src/server/globals.h +++ b/src/server/globals.h @@ -1,6 +1,78 @@ #ifndef _GLOBALS_H_ #define _GLOBALS_H_ +#include "../types.h" +#include <stdint.h> +#include <time.h> +#include <pthread.h> +#include <glib/gslist.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 */ |