mirror of
https://github.com/schoebel/mars
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115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
/*
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* MARS Long Distance Replication Software
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*
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* This file is part of MARS project: http://schoebel.github.io/mars/
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*
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* Copyright (C) 2010-2014 Thomas Schoebel-Theuer
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* Copyright (C) 2011-2014 1&1 Internet AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MARS_CLIENT_H
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#define MARS_CLIENT_H
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#include "mars_net.h"
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#include "lib_limiter.h"
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extern struct mars_limiter client_limiter;
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extern int global_net_io_timeout;
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extern int mars_client_info_timeout;
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extern int mars_client_abort;
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extern int max_client_channels;
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extern int max_client_bulk;
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#define MAX_CLIENT_CHANNELS 4
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struct client_mref_aspect {
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GENERIC_ASPECT(mref);
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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;
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int alloc_len;
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bool do_dealloc;
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};
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struct client_brick {
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MARS_BRICK(client);
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// tunables
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int max_flying; // limit on parallelism
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bool limit_mode;
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bool allow_permuting_writes;
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bool separate_reads;
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// readonly from outside
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int connection_state; // 0 = switched off, 1 = not connected, 2 = connected
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/* internal */
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atomic_t sender_count;
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atomic_t receiver_count;
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int socket_count;
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atomic_t fly_count;
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atomic_t timeout_count;
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};
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struct client_input {
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MARS_INPUT(client);
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};
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struct client_threadinfo {
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struct task_struct *thread;
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};
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struct client_channel {
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struct mars_socket socket;
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struct client_threadinfo receiver;
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struct list_head wait_list;
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struct client_output *output;
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long current_space;
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int thread_count;
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int recv_error;
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int ch_nr;
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bool is_used;
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bool is_open;
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bool is_connected;
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};
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struct client_bundle {
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char *host;
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char *path;
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struct mars_tcp_params *params;
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int thread_count;
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int old_channel;
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wait_queue_head_t sender_event;
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struct client_threadinfo sender;
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struct client_channel channel[MAX_CLIENT_CHANNELS];
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};
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struct client_output {
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MARS_OUTPUT(client);
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struct mutex mutex;
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struct list_head mref_list;
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int last_id;
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struct client_bundle bundle;
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struct mars_info info;
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wait_queue_head_t info_event;
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bool get_info;
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bool got_info;
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struct list_head *hash_table;
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};
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MARS_TYPES(client);
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#endif
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