text: /*
   * HCPROTO.H
   *
   * $DragonFly: src/bin/cpdup/hcproto.h,v 1.4 2008/04/16 17:38:19 dillon Exp $
   */
  
  #ifndef _HCPROTO_H_
  #define _HCPROTO_H_
  
  #define HCPROTO_VERSION		4
  #define HCPROTO_VERSION_COMPAT	2
  
  #define HC_HELLO	0x0001
  
  #define HC_STAT		0x0010
  #define HC_LSTAT	0x0011
  #define HC_OPENDIR	0x0012
  #define HC_READDIR	0x0013
  #define HC_CLOSEDIR	0x0014
  #define HC_OPEN		0x0015
  #define HC_CLOSE	0x0016
  #define HC_READ		0x0017
  #define HC_WRITE	0x0018
  #define HC_REMOVE	0x0019
  #define HC_MKDIR	0x001A
  #define HC_RMDIR	0x001B
  #define HC_CHOWN	0x001C
  #define HC_LCHOWN	0x001D
  #define HC_CHMOD	0x001E
  #define HC_LINK		0x001F
  #define HC_CHFLAGS	0x0020
  #define HC_READLINK	0x0021
  #define HC_UMASK	0x0022
  #define HC_SYMLINK	0x0023
  #define HC_RENAME	0x0024
  #define HC_UTIMES	0x0025
  #define HC_MKNOD	0x0026
  #define HC_GETEUID	0x0027
  #define HC_GETGROUPS	0x0028
  #define HC_SCANDIR	0x0029
  #define HC_READFILE	0x002A
  
  #define LC_HELLOSTR	(0x0001|LCF_STRING)
  #define LC_PATH1	(0x0010|LCF_STRING)
  #define LC_PATH2	(0x0011|LCF_STRING)
  #define LC_OFLAGS	(0x0012|LCF_INT32)
  #define LC_MODE		(0x0013|LCF_INT32)
  #define LC_BYTES	(0x0014|LCF_INT32)
  #define LC_OWNER	(0x0015|LCF_INT32)
  #define LC_GROUP	(0x0016|LCF_INT32)
  #define LC_DEV		(0x0017|LCF_INT32)
  #define LC_INO		(0x0018|LCF_INT64)
  #define LC_NLINK	(0x0019|LCF_INT32)
  #define LC_UID		(0x001A|LCF_INT32)
  #define LC_GID		(0x001B|LCF_INT32)
  #define LC_RDEV		(0x001C|LCF_INT32)
  #define LC_ATIME	(0x001D|LCF_INT64)
  #define LC_MTIME	(0x001E|LCF_INT64)
  #define LC_CTIME	(0x001F|LCF_INT64)
  #define LC_FILESIZE	(0x0020|LCF_INT64)
  #define LC_FILEBLKS	(0x0021|LCF_INT64)
  #define LC_FILEFLAGS	(0x0022|LCF_INT64)
  #define LC_FSMID	(0x0023|LCF_INT64)
  #define LC_DESCRIPTOR	(0x0024|LCF_INT32)
  #define LC_DATA		(0x0025|LCF_BINARY)
  #define LC_TYPE		(0x0026|LCF_INT32)
  #define LC_BLKSIZE	(0x0027|LCF_INT32)
  #define LC_VERSION	(0x0028|LCF_INT32)
  #define LC_COUNT	(0x0029|LCF_INT32)
  
  #define XO_NATIVEMASK	3		/* passed through directly */
  #define XO_CREAT	0x00010000
  #define XO_EXCL		0x00020000
  #define XO_TRUNC	0x00040000
  
  #define HC_DESC_DIR	1
  #define HC_DESC_FD	2
  
  #ifndef MAXNAMLEN
  #define MAXNAMLEN	255
  #endif
  
  struct HCDirEntry {
  	char d_name[MAXNAMLEN + 1];
  };
  
  int hc_connect(struct HostConf *hc, int readonly);
  void hc_slave(int fdin, int fdout);
  
  int hc_hello(struct HostConf *hc);
  int hc_stat(struct HostConf *hc, const char *path, struct stat *st);
  int hc_lstat(struct HostConf *hc, const char *path, struct stat *st);
  DIR *hc_opendir(struct HostConf *hc, const char *path);
  struct HCDirEntry *hc_readdir(struct HostConf *hc, DIR *dir, struct stat **statpp);
  int hc_closedir(struct HostConf *hc, DIR *dir);
  int hc_open(struct HostConf *hc, const char *path, int flags, mode_t mode);
  int hc_close(struct HostConf *hc, int fd);
  ssize_t hc_read(struct HostConf *hc, int fd, void *buf, size_t bytes);
  ssize_t hc_write(struct HostConf *hc, int fd, const void *buf, size_t bytes);
  int hc_remove(struct HostConf *hc, const char *path);
  int hc_mkdir(struct HostConf *hc, const char *path, mode_t mode);
  int hc_rmdir(struct HostConf *hc, const char *path);
  int hc_chown(struct HostConf *hc, const char *path, uid_t owner, gid_t group);
  int hc_lchown(struct HostConf *hc, const char *path, uid_t owner, gid_t group);
  int hc_chmod(struct HostConf *hc, const char *path, mode_t mode);
  int hc_mknod(struct HostConf *hc, const char *path, mode_t mode, dev_t rdev);
  int hc_link(struct HostConf *hc, const char *name1, const char *name2);
  int hc_chflags(struct HostConf *hc, const char *path, u_long flags);
  int hc_readlink(struct HostConf *hc, const char *path, char *buf, int bufsiz);
  mode_t hc_umask(struct HostConf *hc, mode_t numask);
  int hc_symlink(struct HostConf *hc, const char *name1, const char *name2);
  int hc_rename(struct HostConf *hc, const char *name1, const char *name2);
  int hc_utimes(struct HostConf *hc, const char *path, const struct timeval *times);
  uid_t hc_geteuid(struct HostConf *hc);
  int hc_getgroups(struct HostConf *hc, gid_t **gidlist);
  
  #endif
  
  