mars/kernel/mars_client.h

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// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
#ifndef MARS_CLIENT_H
#define MARS_CLIENT_H
#include "mars_net.h"
#include "lib_limiter.h"
extern struct mars_limiter client_limiter;
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extern int global_net_io_timeout;
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struct client_mref_aspect {
GENERIC_ASPECT(mref);
struct list_head io_head;
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struct list_head hash_head;
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struct list_head tmp_head;
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unsigned long submit_jiffies;
int alloc_len;
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bool do_dealloc;
};
struct client_brick {
MARS_BRICK(client);
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// tunables
int max_flying; // limit on parallelism
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int io_timeout; // > 0: report IO errors after timeout (in seconds)
bool limit_mode;
// readonly from outside
int connection_state; // 0 = switched off, 1 = not connected, 2 = connected
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};
struct client_input {
MARS_INPUT(client);
};
struct client_threadinfo {
struct task_struct *thread;
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wait_queue_head_t run_event;
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int restart_count;
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};
struct client_output {
MARS_OUTPUT(client);
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atomic_t fly_count;
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atomic_t timeout_count;
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spinlock_t lock;
struct list_head mref_list;
struct list_head wait_list;
wait_queue_head_t event;
int last_id;
int recv_error;
struct mars_socket socket;
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char *host;
char *path;
struct client_threadinfo sender;
struct client_threadinfo receiver;
struct mars_info info;
wait_queue_head_t info_event;
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bool get_info;
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bool got_info;
struct list_head *hash_table;
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};
MARS_TYPES(client);
#endif