75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
#pragma once
|
|
|
|
#include "messenger.h"
|
|
#include "etcd_state_client.h"
|
|
|
|
#define MIN_BLOCK_SIZE 4*1024
|
|
#define MAX_BLOCK_SIZE 128*1024*1024
|
|
#define DEFAULT_BLOCK_SIZE 128*1024
|
|
#define DEFAULT_PG_STRIPE_SIZE 4*1024*1024
|
|
#define DEFAULT_DISK_ALIGNMENT 4096
|
|
#define DEFAULT_BITMAP_GRANULARITY 4096
|
|
|
|
struct cluster_op_t;
|
|
|
|
struct cluster_op_part_t
|
|
{
|
|
cluster_op_t *parent;
|
|
uint64_t offset;
|
|
uint32_t len;
|
|
pg_num_t pg_num;
|
|
osd_num_t osd_num;
|
|
void *buf;
|
|
bool sent;
|
|
bool done;
|
|
osd_op_t op;
|
|
};
|
|
|
|
struct cluster_op_t
|
|
{
|
|
uint64_t opcode; // OSD_OP_READ, OSD_OP_WRITE
|
|
uint64_t inode;
|
|
uint64_t offset;
|
|
uint64_t len;
|
|
int retval;
|
|
void *buf;
|
|
std::function<void(cluster_op_t*)> callback;
|
|
protected:
|
|
bool needs_reslice = false;
|
|
int sent_count = 0, done_count = 0;
|
|
std::vector<cluster_op_part_t> parts;
|
|
friend class cluster_client_t;
|
|
};
|
|
|
|
class cluster_client_t
|
|
{
|
|
timerfd_manager_t *tfd;
|
|
ring_loop_t *ringloop;
|
|
|
|
uint64_t pg_part_count = 2;
|
|
uint64_t pg_stripe_size = 0;
|
|
uint64_t bs_block_size = 0;
|
|
uint64_t bs_disk_alignment = 0;
|
|
uint64_t bs_bitmap_granularity = 0;
|
|
uint64_t pg_count = 0;
|
|
int log_level;
|
|
|
|
uint64_t op_id = 1;
|
|
etcd_state_client_t st_cli;
|
|
osd_messenger_t msgr;
|
|
std::set<cluster_op_t*> sent_ops, unsent_ops;
|
|
|
|
public:
|
|
cluster_client_t(ring_loop_t *ringloop, timerfd_manager_t *tfd, json11::Json & config);
|
|
void execute(cluster_op_t *op);
|
|
|
|
protected:
|
|
void continue_ops();
|
|
void on_load_config_hook(json11::Json::object & cfg);
|
|
void on_load_pgs_hook(bool success);
|
|
void on_change_hook(json11::Json::object & changes);
|
|
void on_change_osd_state_hook(uint64_t peer_osd);
|
|
bool try_send(cluster_op_t *op, cluster_op_part_t *part);
|
|
void handle_op_part(cluster_op_part_t *part);
|
|
};
|