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venti.h: import indentation from plan 9
R=rsc CC=plan9port.codebot http://codereview.appspot.com/4571065
This commit is contained in:
David du Colombier
Russ Cox
parent
8aeb3ea1c0
commit
79793adc21
1 changed files with 144 additions and 142 deletions
286
include/venti.h
286
include/venti.h
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@ -17,27 +17,28 @@ enum
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};
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typedef struct Packet Packet;
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Packet *packetalloc(void);
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void packetfree(Packet*);
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Packet *packetforeign(uchar *buf, int n, void (*free)(void *a), void *a);
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Packet *packetdup(Packet*, int offset, int n);
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Packet *packetsplit(Packet*, int n);
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int packetconsume(Packet*, uchar *buf, int n);
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int packettrim(Packet*, int offset, int n);
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uchar *packetheader(Packet*, int n);
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uchar *packettrailer(Packet*, int n);
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void packetprefix(Packet*, uchar *buf, int n);
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void packetappend(Packet*, uchar *buf, int n);
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void packetconcat(Packet*, Packet*);
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uchar *packetpeek(Packet*, uchar *buf, int offset, int n);
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int packetcopy(Packet*, uchar *buf, int offset, int n);
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int packetfragments(Packet*, IOchunk*, int nio, int offset);
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uint packetsize(Packet*);
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uint packetasize(Packet*);
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int packetcompact(Packet*);
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int packetcmp(Packet*, Packet*);
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void packetstats(void);
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void packetsha1(Packet*, uchar sha1[20]);
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Packet* packetalloc(void);
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void packetappend(Packet*, uchar *buf, int n);
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uint packetasize(Packet*);
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int packetcmp(Packet*, Packet*);
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int packetcompact(Packet*);
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void packetconcat(Packet*, Packet*);
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int packetconsume(Packet*, uchar *buf, int n);
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int packetcopy(Packet*, uchar *buf, int offset, int n);
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Packet* packetdup(Packet*, int offset, int n);
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Packet* packetforeign(uchar *buf, int n, void (*free)(void *a), void *a);
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int packetfragments(Packet*, IOchunk*, int nio, int offset);
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void packetfree(Packet*);
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uchar* packetheader(Packet*, int n);
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uchar* packetpeek(Packet*, uchar *buf, int offset, int n);
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void packetprefix(Packet*, uchar *buf, int n);
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void packetsha1(Packet*, uchar sha1[20]);
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uint packetsize(Packet*);
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Packet* packetsplit(Packet*, int n);
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void packetstats(void);
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uchar* packettrailer(Packet*, int n);
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int packettrim(Packet*, int offset, int n);
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/* XXX should be own library? */
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/*
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@ -48,28 +49,28 @@ typedef struct VtLogChunk VtLogChunk;
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struct VtLog
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{
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VtLog *next; /* in hash table */
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char *name;
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VtLog *next; /* in hash table */
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char *name;
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VtLogChunk *chunk;
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uint nchunk;
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uint nchunk;
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VtLogChunk *w;
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QLock lk;
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int ref;
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QLock lk;
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int ref;
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};
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struct VtLogChunk
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{
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char *p;
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char *ep;
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char *wp;
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char *p;
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char *ep;
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char *wp;
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};
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VtLog *vtlogopen(char *name, uint size);
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VtLog* vtlogopen(char *name, uint size);
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void vtlogprint(VtLog *log, char *fmt, ...);
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void vtlog(char *name, char *fmt, ...);
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void vtlogclose(VtLog*);
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void vtlogremove(char *name);
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char **vtlognames(int*);
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char** vtlognames(int*);
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void vtlogdump(int fd, VtLog*);
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/* XXX begin actual venti.h */
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@ -84,7 +85,7 @@ typedef struct VtRoot VtRoot;
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*/
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enum
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{
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VtScoreSize = 20,
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VtScoreSize = 20,
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VtMaxStringSize = 1024,
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VtPointerDepth = 7
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};
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@ -145,13 +146,13 @@ enum
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};
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struct VtEntry
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{
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ulong gen; /* generation number */
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ulong psize; /* pointer block size */
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ulong dsize; /* data block size */
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uchar type;
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uchar flags;
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uvlong size;
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uchar score[VtScoreSize];
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ulong gen; /* generation number */
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ulong psize; /* pointer block size */
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ulong dsize; /* data block size */
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uchar type;
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uchar flags;
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uvlong size;
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uchar score[VtScoreSize];
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};
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void vtentrypack(VtEntry*, uchar*, int index);
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@ -159,11 +160,11 @@ int vtentryunpack(VtEntry*, uchar*, int index);
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struct VtRoot
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{
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char name[128];
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char type[128];
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uchar score[VtScoreSize]; /* to a Dir block */
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ulong blocksize; /* maximum block size */
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uchar prev[VtScoreSize]; /* last root block */
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char name[128];
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char type[128];
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uchar score[VtScoreSize]; /* to a Dir block */
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ulong blocksize; /* maximum block size */
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uchar prev[VtScoreSize]; /* last root block */
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};
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enum
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@ -205,12 +206,12 @@ int vtscorefmt(Fmt*);
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/*
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* error-checking malloc et al.
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*/
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void vtfree(void *);
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void *vtmalloc(int);
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void *vtmallocz(int);
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void *vtrealloc(void *p, int);
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void *vtbrk(int n);
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char *vtstrdup(char *);
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void vtfree(void *);
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void* vtmalloc(int);
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void* vtmallocz(int);
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void* vtrealloc(void *p, int);
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void* vtbrk(int n);
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char* vtstrdup(char *);
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/*
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* Venti protocol
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@ -277,7 +278,7 @@ struct VtFcall
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uchar msgtype;
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uchar tag;
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char *error; /* Rerror */
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char *error; /* Rerror */
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char *version; /* Thello */
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char *uid; /* Thello */
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@ -292,15 +293,15 @@ struct VtFcall
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uchar *auth; /* TauthX, RauthX */
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uint nauth; /* TauthX, RauthX */
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uchar score[VtScoreSize]; /* Tread, Rwrite */
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uchar blocktype; /* Tread, Twrite */
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uchar blocktype; /* Tread, Twrite */
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uint count; /* Tread */
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Packet *data; /* Rread, Twrite */
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};
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Packet *vtfcallpack(VtFcall*);
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int vtfcallunpack(VtFcall*, Packet*);
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void vtfcallclear(VtFcall*);
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int vtfcallfmt(Fmt*);
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Packet* vtfcallpack(VtFcall*);
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int vtfcallunpack(VtFcall*, Packet*);
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void vtfcallclear(VtFcall*);
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int vtfcallfmt(Fmt*);
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enum
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{
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@ -321,7 +322,7 @@ struct VtConn
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void *writeq;
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void *readq;
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int state;
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void *wait[256];
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void *wait[256];
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uint ntag;
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uint nsleep;
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Packet *part;
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@ -329,19 +330,19 @@ struct VtConn
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Rendez rpcfork;
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char *version;
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char *uid;
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char *sid;
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char addr[256]; /* address of other side */
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char *sid;
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char addr[256]; /* address of other side */
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};
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VtConn *vtconn(int infd, int outfd);
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VtConn *vtdial(char*);
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void vtfreeconn(VtConn*);
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int vtsend(VtConn*, Packet*);
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Packet *vtrecv(VtConn*);
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int vtversion(VtConn *z);
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void vtdebug(VtConn *z, char*, ...);
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void vthangup(VtConn *z);
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int vtgoodbye(VtConn *z);
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VtConn* vtconn(int infd, int outfd);
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VtConn* vtdial(char*);
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void vtfreeconn(VtConn*);
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int vtsend(VtConn*, Packet*);
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Packet* vtrecv(VtConn*);
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int vtversion(VtConn* z);
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void vtdebug(VtConn* z, char*, ...);
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void vthangup(VtConn* z);
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int vtgoodbye(VtConn* z);
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/* #pragma varargck argpos vtdebug 2 */
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@ -350,32 +351,32 @@ typedef struct VtSrv VtSrv;
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typedef struct VtReq VtReq;
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struct VtReq
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{
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VtFcall tx;
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VtFcall rx;
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VtFcall tx;
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VtFcall rx;
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/* private */
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VtSrv *srv;
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void *sc;
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VtSrv *srv;
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void *sc;
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};
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int vtsrvhello(VtConn*);
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VtSrv *vtlisten(char *addr);
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VtReq *vtgetreq(VtSrv*);
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void vtrespond(VtReq*);
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int vtsrvhello(VtConn*);
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VtSrv* vtlisten(char *addr);
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VtReq* vtgetreq(VtSrv*);
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void vtrespond(VtReq*);
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/* client */
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Packet *vtrpc(VtConn*, Packet*);
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Packet *_vtrpc(VtConn*, Packet*, VtFcall*);
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void vtrecvproc(void*); /* VtConn* */
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void vtsendproc(void*); /* VtConn* */
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Packet* vtrpc(VtConn*, Packet*);
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Packet* _vtrpc(VtConn*, Packet*, VtFcall*);
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void vtrecvproc(void*); /* VtConn */
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void vtsendproc(void*); /* VtConn */
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int vtconnect(VtConn*);
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int vthello(VtConn*);
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int vtread(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
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int vtwrite(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
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Packet *vtreadpacket(VtConn*, uchar score[VtScoreSize], uint type, int n);
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int vtwritepacket(VtConn*, uchar score[VtScoreSize], uint type, Packet *p);
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int vtsync(VtConn*);
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int vtping(VtConn*);
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int vtconnect(VtConn*);
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int vthello(VtConn*);
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int vtread(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
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int vtwrite(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
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Packet* vtreadpacket(VtConn*, uchar score[VtScoreSize], uint type, int n);
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int vtwritepacket(VtConn*, uchar score[VtScoreSize], uint type, Packet *p);
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int vtsync(VtConn*);
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int vtping(VtConn*);
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/*
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* Data blocks and block cache.
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@ -399,9 +400,9 @@ struct VtBlock
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ulong size;
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/* internal to cache */
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int nlock;
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int iostate;
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int ref;
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int nlock;
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int iostate;
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int ref;
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u32int heap;
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VtBlock *next;
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VtBlock **prev;
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@ -411,19 +412,20 @@ struct VtBlock
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uintptr pc;
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};
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u32int vtglobaltolocal(uchar[VtScoreSize]);
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void vtlocaltoglobal(u32int, uchar[VtScoreSize]);
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u32int vtglobaltolocal(uchar[VtScoreSize]);
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void vtlocaltoglobal(u32int, uchar[VtScoreSize]);
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VtCache *vtcachealloc(VtConn*, ulong maxmem);
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void vtcachefree(VtCache*);
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VtBlock *vtcachelocal(VtCache*, u32int addr, int type);
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VtBlock *vtcacheglobal(VtCache*, uchar[VtScoreSize], int type, ulong size);
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VtBlock *vtcacheallocblock(VtCache*, int type, ulong size);
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void vtcachesetwrite(VtCache*, int(*)(VtConn*,uchar[VtScoreSize],uint,uchar*,int));
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void vtblockput(VtBlock*);
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int vtblockwrite(VtBlock*);
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VtBlock *vtblockcopy(VtBlock*);
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void vtblockduplock(VtBlock*);
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VtCache*vtcachealloc(VtConn*, ulong maxmem);
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void vtcachefree(VtCache*);
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VtBlock*vtcachelocal(VtCache*, u32int addr, int type);
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VtBlock*vtcacheglobal(VtCache*, uchar[VtScoreSize], int type, ulong size);
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VtBlock*vtcacheallocblock(VtCache*, int type, ulong size);
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void vtcachesetwrite(VtCache*,
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int(*)(VtConn*, uchar[VtScoreSize], uint, uchar*, int));
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void vtblockput(VtBlock*);
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int vtblockwrite(VtBlock*);
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VtBlock*vtblockcopy(VtBlock*);
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void vtblockduplock(VtBlock*);
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extern int vtcachencopy, vtcachenread, vtcachenwrite;
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extern int vttracelevel;
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@ -434,23 +436,23 @@ extern int vttracelevel;
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typedef struct VtFile VtFile;
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struct VtFile
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{
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QLock lk;
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int ref;
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int local;
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VtBlock *b; /* block containing this file */
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uchar score[VtScoreSize]; /* score of block containing this file */
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int bsize; /* size of block */
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QLock lk;
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int ref;
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int local;
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VtBlock *b; /* block containing this file */
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uchar score[VtScoreSize]; /* score of block containing this file */
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int bsize; /* size of block */
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/* immutable */
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VtCache *c;
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int mode;
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u32int gen;
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int dsize;
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int psize;
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int dir;
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VtFile *parent;
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int epb; /* entries per block in parent */
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u32int offset; /* entry offset in parent */
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VtCache *c;
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int mode;
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u32int gen;
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int dsize;
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int psize;
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int dir;
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VtFile *parent;
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int epb; /* entries per block in parent */
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u32int offset; /* entry offset in parent */
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};
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enum
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@ -460,32 +462,32 @@ enum
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VtORDWR
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};
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VtFile *vtfileopenroot(VtCache*, VtEntry*);
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VtFile *vtfilecreateroot(VtCache*, int psize, int dsize, int type);
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VtFile *vtfileopen(VtFile*, u32int, int);
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VtFile *vtfilecreate(VtFile*, int psize, int dsize, int dir);
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VtFile *_vtfilecreate(VtFile*, int offset, int psize, int dsize, int dir);
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VtBlock *vtfileblock(VtFile*, u32int, int mode);
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long vtfileread(VtFile*, void*, long, vlong);
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long vtfilewrite(VtFile*, void*, long, vlong);
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int vtfileflush(VtFile*);
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void vtfileincref(VtFile*);
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void vtfileclose(VtFile*);
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int vtfilegetentry(VtFile*, VtEntry*);
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int vtfilesetentry(VtFile*, VtEntry*);
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int vtfileblockscore(VtFile*, u32int, uchar[VtScoreSize]);
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u32int vtfilegetdirsize(VtFile*);
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int vtfilesetdirsize(VtFile*, u32int);
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VtBlock*vtfileblock(VtFile*, u32int, int mode);
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int vtfileblockscore(VtFile*, u32int, uchar[VtScoreSize]);
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void vtfileclose(VtFile*);
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VtFile* _vtfilecreate(VtFile*, int offset, int psize, int dsize, int dir);
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VtFile* vtfilecreate(VtFile*, int psize, int dsize, int dir);
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VtFile* vtfilecreateroot(VtCache*, int psize, int dsize, int type);
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int vtfileflush(VtFile*);
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int vtfileflushbefore(VtFile*, u64int);
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u32int vtfilegetdirsize(VtFile*);
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int vtfilegetentry(VtFile*, VtEntry*);
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uvlong vtfilegetsize(VtFile*);
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void vtfileincref(VtFile*);
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int vtfilelock2(VtFile*, VtFile*, int);
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int vtfilelock(VtFile*, int);
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VtFile* vtfileopen(VtFile*, u32int, int);
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VtFile* vtfileopenroot(VtCache*, VtEntry*);
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long vtfileread(VtFile*, void*, long, vlong);
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int vtfileremove(VtFile*);
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int vtfilesetdirsize(VtFile*, u32int);
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int vtfilesetentry(VtFile*, VtEntry*);
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int vtfilesetsize(VtFile*, u64int);
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int vtfiletruncate(VtFile*);
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void vtfileunlock(VtFile*);
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int vtfilelock(VtFile*, int);
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int vtfilelock2(VtFile*, VtFile*, int);
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int vtfileflushbefore(VtFile*, u64int);
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int vtfiletruncate(VtFile*);
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uvlong vtfilegetsize(VtFile*);
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int vtfilesetsize(VtFile*, u64int);
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int vtfileremove(VtFile*);
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long vtfilewrite(VtFile*, void*, long, vlong);
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extern int vttimefmt(Fmt*);
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int vttimefmt(Fmt*);
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extern int chattyventi;
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extern int ventidoublechecksha1;
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