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83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
/*
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Serval DNA server main loop
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Copyright (C) 2012-2015 Serval Project Inc.
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Copyright (C) 2016 Flinders University
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __SERVAL_DNA__SERVER_H
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#define __SERVAL_DNA__SERVER_H
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#include "fdqueue.h"
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#include "os.h" // for time_ms_t
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#include "trigger.h"
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enum server_mode {
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SERVER_NOT_RUNNING = 0,
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SERVER_RUNNING = 1,
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SERVER_CLOSING = 2
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};
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DECLARE_ALARM(server_shutdown_check);
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DECLARE_ALARM(server_watchdog);
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DECLARE_ALARM(server_config_reload);
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DECLARE_ALARM(rhizome_sync_announce);
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DECLARE_ALARM(fd_periodicstats);
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extern __thread enum server_mode serverMode;
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/** Return the PID of the currently running server process, return 0 if there is none.
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*/
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int server_pid();
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/* Call this method within a server process/thread to initialise the server:
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* - marks the server state as "running" (thread-local variable)
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* - sets up signal handling
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* - calls the "startup" trigger
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* - starts the HTTP server (if enabled)
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* - creates the pidfile
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* - initialises the network packet queues
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* - schedules a periodic stats job
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*/
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int server_bind();
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/* Call this method within a server process/thread to execute the server main
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* loop. Only returns once the server is shut down.
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*/
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void server_loop(time_ms_t (*waiting)(time_ms_t, time_ms_t, time_ms_t), void (*wokeup)());
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/* Call this method within a server process/thread to initiate an orderly
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* shut-down of the server. It sets the server state as "closing" so that
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* server_loop() will exit in an orderly fashion.
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*/
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void server_close();
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/* These functions are called by various server subsystems to populate the
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* "proc" directory, which gives information about the running server, such as:
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* - port numbers
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* - primary identity
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* - etc.
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*/
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int server_write_proc_state(const char *path, const char *fmt, ...);
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int server_unlink_proc_state(const char *path);
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/* Triggers that are fired during server start-up and shut-down.
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*/
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DECLARE_TRIGGER(startup);
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DECLARE_TRIGGER(shutdown);
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#endif // __SERVAL_DNA__SERVER_H
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