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/* This file is part of Mailfromd.
Copyright (C) 2005-2024 Sergey Poznyakoff
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef __mfd_srvman_h
#define __mfd_srvman_h
typedef struct mfd_server *mfd_server_t;
typedef int (*mfd_server_func_t) (const char *id,
int fd,
struct sockaddr const *sa, socklen_t len,
void *server_data, void *srvman_data);
typedef int (*mfd_server_prefork_hook_t) (const char *id,
struct sockaddr const *sa,
socklen_t len,
void *server_data,
void *srvman_data);
typedef int (*mfd_srvman_hook_t) (void *data);
typedef int (*mfd_srvman_prefork_hook_t) (struct sockaddr const *sa,
socklen_t len,
void *data);
#define DEFAULT_PIDTAB_SIZE 64
#define DEFAULT_SHUTDOWN_TIMEOUT 5
#define SRV_SINGLE_PROCESS 0x01
#define SRV_KEEP_EXISTING 0x02
struct srvman_param {
void *data; /* Server manager data */
mu_acl_t acl; /* Global Access Control List */
time_t shutdown_timeout;
mfd_srvman_hook_t idle_hook; /* Idle function */
mfd_srvman_prefork_hook_t prefork_hook; /* Pre-fork function */
mfd_srvman_hook_t free_hook; /* Free function */
size_t max_children; /* Maximum number of sub-processes
to run. */
int flags; /* Global flags */
fd_set keepfds; /* Keep these fds open when spawning
children */
};
extern struct srvman_param srvman_param;
void srvman_init(void);
void mfd_server_shutdown(mfd_server_t srv);
mfd_server_t mfd_server_new(const char *id, mu_url_t url,
mfd_server_func_t conn, int flags);
void mfd_server_free(mfd_server_t srv);
void mfd_server_set_prefork_hook(mfd_server_t srv,
mfd_server_prefork_hook_t hook);
void mfd_server_set_data(mfd_server_t srv,
void *data,
mfd_srvman_hook_t free_hook);
void mfd_server_set_max_children(mfd_server_t srv, size_t n);
void mfd_server_set_acl(struct mfd_server *srv, mu_acl_t acl);
void mfd_server_set_backlog(struct mfd_server *srv, int value);
void mfd_srvman_attach_server(mfd_server_t srv);
void mfd_srvman_run(sigset_t *);
int mfd_srvman_open(void);
void mfd_srvman_shutdown(void);
void mfd_srvman_free(void);
size_t mfd_srvman_count_servers(void);
void mfd_srvman_stop(void);
struct sockaddr *srvman_url_to_sockaddr(mu_url_t url, socklen_t *psalen);
#endif
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