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- /*
- * Copyright (C) 2019 Weber Yann
- *
- * This file is part of PyFCGI.
- *
- * PyFCGI is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * any later version.
- *
- * PyFCGI 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with PyFCGI. If not, see <http://www.gnu.org/licenses/>.
- */
-
- /**@defgroup monitoring Monitoring a running PyFCGI
- *
- * PyFCGI have the ability to listen on a UDP socket, replying to simple
- * queries (or simple stats).
- */
- #ifndef _MONITOR__H___
- #define _MONITOR__H___
- #include "config.h"
-
- #include <fcgiapp.h> /* fcgi library; put it first*/
-
- #include <netdb.h>
- #include <strings.h>
- #include <sys/socket.h>
- #include <sys/un.h>
- #include <netinet/in.h>
- #include <arpa/inet.h>
-
- #define UNIX_SOCKPATH_MAX 108
-
- typedef struct pyfcgi_monitor_s pyfcgi_monitor_t;
- typedef union pyfcgi_monitor_addr_u pyfcgi_monitor_addr_t;
-
- #include "conf.h"
- #include "logger.h"
-
- union pyfcgi_monitor_addr_u
- {
- struct sockaddr_in in;
- struct sockaddr_in6 in6;
- struct sockaddr_un un;
- };
-
- /**@brief Local structure storing monitor process informations */
- struct pyfcgi_monitor_s
- {
- /**@brief Socket fd */
- int sock_serv;
- /**@brief domain type & protocol */
- int sock_args[3];
- /**@brief Address to bind to */
- pyfcgi_monitor_addr_t addr;
- };
-
-
- /**@brief Start the stats server monitoring server
- * @return PID of the child process and -1 on error
- * @note When called the configuration has to be parsed */
- pid_t pyfcgi_spawn_monitor();
-
- void pyfcgi_monitor_init();
- void pyfcgi_monitor_loop();
-
- /**@brief Check socket URL validity
- * @param const char* the URL to check
- * @return -1 if error else 0
- * @note Logs error using dprintf(2, ...) because this function will
- * be called when checking configuration
- */
- int pyfcgi_monitor_check_sock(const char*);
-
- /**@brief Parse stored socket URL
- * @param const char* the URL to parse
- * @param int[3] socket creation arguments
- * @param pyfcgi_monitor_addr_t the addr to bind to
- * @return 0 if no error else -1
- */
- int pyfcgi_monitor_parse_sock(const char*, int[3], pyfcgi_monitor_addr_t*);
-
- /**@brief Parse an addres:port string in a sockaddr_in
- * @param const char* the hostname:port string
- * @param int socket family
- * @param pyfcgi_monitor_addr_t* the addr pointer
- * @param int* if not NULL will be set to choosen domain
- * @return 0 if no erro else -1
- */
- int pyfcgi_monitor_parse_inet_addr(const char*, int, pyfcgi_monitor_addr_t*, int*);
-
- #endif
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