servtab.h

来自「netkit-base-0.17.tar.gz linux嵌入式开发使用!」· C头文件 代码 · 共 68 行

#define	MAXARGV 20

struct servtab;

struct biltin {
	const char *bi_service;		/* internally provided service name */
	int bi_socktype;		/* type of socket supported */
	short bi_fork;		/* 1 if should fork before call */
	short bi_wait;		/* 1 if should wait for child */
	void (*bi_fn)(int, struct servtab *); /* fn which performs it */
};

struct	servtab {
	char	*se_service;		/* name of service */
	char	*se_address;            /* address to bind to (for printing) */
	int	se_socktype;		/* type of socket to use */
	int	se_family;		/* address family */
	char	*se_proto;		/* protocol used */
	int	se_rpcprog;		/* rpc program number */
	int	se_rpcversl;		/* rpc program lowest version */
	int	se_rpcversh;		/* rpc program highest version */
	short	se_wait;		/* single threaded server */
	short	se_checked;		/* looked at during merge */
	char	*se_user;		/* user name to run as */
	char	*se_group;		/* group name to run as */
	struct	biltin *se_bi;		/* if built-in, description */
	char	*se_server;		/* server program */
	char	*se_argv[MAXARGV+1];	/* program arguments */
	int	se_fd;			/* open descriptor */
	union {
		struct	sockaddr se_un_ctrladdr;
		struct	sockaddr_in se_un_ctrladdr_in;
		struct	sockaddr_un se_un_ctrladdr_un;
	} se_un;			/* bound address */
	int	se_ctrladdr_size;
	int	se_max;			/* max # of instances of this service */
	int	se_count;		/* number started since se_time */
	struct	timeval se_time;	/* start of se_count */
#ifdef MULOG
	int	se_log;
#define MULOG_RFC931	0x40000000
#endif
	struct	servtab *se_next;
};

#define se_ctrladdr	se_un.se_un_ctrladdr
#define se_ctrladdr_in	se_un.se_un_ctrladdr_in
#define se_ctrladdr_un	se_un.se_un_ctrladdr_un


extern struct servtab *servtab;


#define isrpcservice(sep)	((sep)->se_rpcversl != 0)

/* servtab.c */
struct servtab *find_service_by_fd(int fd);
struct servtab *find_service_by_pid(pid_t pid);
void restart_services(void);
const char *service_name(struct servtab *sep);

/* inetd.c */
struct servtab *enter(struct servtab *);
void register_rpc(struct servtab *sep);
void unregister_rpc(struct servtab *sep);
void setup(struct servtab *sep);
void closeit(struct servtab *sep);