Showing the changes to include (1 of 6 files). Show all
Unified · Split
| @@ -0,0 +1,98 @@ | ||
| 1 | + | |
| 2 | +#define Qroot 0 | |
| 3 | + | |
| 4 | +#define MSGMAX ((((8192+128)*2)+3) & ~3) | |
| 5 | + | |
| 6 | +extern char Enomem[]; /* out of memory */ | |
| 7 | +extern char Eperm[]; /* permission denied */ | |
| 8 | +extern char Enodev[]; /* no free devices */ | |
| 9 | +extern char Ehungup[]; /* i/o on hungup channel */ | |
| 10 | +extern char Eexist[]; /* file exists */ | |
| 11 | +extern char Enonexist[]; /* file does not exist */ | |
| 12 | +extern char Ebadcmd[]; /* bad command */ | |
| 13 | +extern char Ebadarg[]; /* bad arguments */ | |
| 14 | + | |
| 15 | +typedef uvlong Path; | |
| 16 | +typedef struct Styxserver Styxserver; | |
| 17 | +typedef struct Styxops Styxops; | |
| 18 | +typedef struct Styxfile Styxfile; | |
| 19 | +typedef struct Client Client; | |
| 20 | +typedef struct Fid Fid; | |
| 21 | + | |
| 22 | +struct Styxserver | |
| 23 | +{ | |
| 24 | + Styxops *ops; | |
| 25 | + Path qidgen; | |
| 26 | + int connfd; | |
| 27 | + int needfile; | |
| 28 | + Client *clients; | |
| 29 | + Client *curc; | |
| 30 | + Styxfile *root; | |
| 31 | + Styxfile **ftab; | |
| 32 | + void *priv; /* private */ | |
| 33 | +}; | |
| 34 | + | |
| 35 | +struct Client | |
| 36 | +{ | |
| 37 | + Styxserver *server; | |
| 38 | + Client *next; | |
| 39 | + int fd; | |
| 40 | + char msg[MSGMAX]; | |
| 41 | + uint nread; /* valid bytes in msg (including nc)*/ | |
| 42 | + int nc; /* bytes consumed from front of msg by convM2S */ | |
| 43 | + char data[MSGMAX]; /* Tread/Rread data */ | |
| 44 | + int state; | |
| 45 | + Fid *fids; | |
| 46 | + char *uname; /* uid */ | |
| 47 | + char *aname; /* attach name */ | |
| 48 | + void *u; | |
| 49 | +}; | |
| 50 | + | |
| 51 | +struct Styxops | |
| 52 | +{ | |
| 53 | + char *(*newclient)(Client *c); | |
| 54 | + char *(*freeclient)(Client *c); | |
| 55 | + | |
| 56 | + char *(*attach)(char *uname, char *aname); | |
| 57 | + char *(*walk)(Qid *qid, char *name); | |
| 58 | + char *(*open)(Qid *qid, int mode); | |
| 59 | + char *(*create)(Qid *qid, char *name, int perm, int mode); | |
| 60 | + char *(*read)(Qid qid, char *buf, ulong *n, vlong offset); | |
| 61 | + char *(*write)(Qid qid, char *buf, ulong *n, vlong offset); | |
| 62 | + char *(*close)(Qid qid, int mode); | |
| 63 | + char *(*remove)(Qid qid); | |
| 64 | + char *(*stat)(Qid qid, Dir *d); | |
| 65 | + char *(*wstat)(Qid qid, Dir *d); | |
| 66 | +}; | |
| 67 | + | |
| 68 | +struct Styxfile | |
| 69 | +{ | |
| 70 | + Dir d; | |
| 71 | + Styxfile *parent; | |
| 72 | + Styxfile *child; | |
| 73 | + Styxfile *sibling; | |
| 74 | + Styxfile *next; | |
| 75 | + int ref; | |
| 76 | + int open; | |
| 77 | + void *u; | |
| 78 | +}; | |
| 79 | + | |
| 80 | +char *styxinit(Styxserver *server, Styxops *ops, char *port, int perm, int needfile); | |
| 81 | +char *styxwait(Styxserver *server); | |
| 82 | +char *styxprocess(Styxserver *server); | |
| 83 | +char *styxend(Styxserver *server); | |
| 84 | + | |
| 85 | +Client *styxclient(Styxserver *server); | |
| 86 | + | |
| 87 | +Styxfile *styxaddfile(Styxserver *server, Path pqid, Path qid, char *name, int mode, char *owner); | |
| 88 | +Styxfile *styxadddir(Styxserver *server, Path pqid, Path qid, char *name, int mode, char *owner); | |
| 89 | +int styxrmfile(Styxserver *server, Path qid); | |
| 90 | +Styxfile *styxfindfile(Styxserver *server, Path qid); | |
| 91 | + | |
| 92 | +int styxperm(Styxfile *file, char *uid, int mode); | |
| 93 | +long styxreadstr(ulong off, char *buf, ulong n, char *str); | |
| 94 | +Qid styxqid(int path, int isdir); | |
| 95 | +void *styxmalloc(int n); | |
| 96 | +void styxfree(void *p); | |
| 97 | +void styxdebug(void); | |
| 98 | +void styxsetowner(char*); | |