fcallfmt.c (5746B)
1 #include "u.h" 2 #include "lib.h" 3 #include "fcall.h" 4 5 static uint dumpsome(char*, char*, char*, long); 6 static void fdirconv(char*, char*, Dir*); 7 static char *qidtype(char*, uchar); 8 9 #define QIDFMT "(%.16llux %lud %s)" 10 11 int 12 fcallfmt(Fmt *fmt) 13 { 14 Fcall *f; 15 int fid, type, tag, i; 16 char buf[512], tmp[200]; 17 char *p, *e; 18 Dir *d; 19 Qid *q; 20 21 e = buf+sizeof(buf); 22 f = va_arg(fmt->args, Fcall*); 23 type = f->type; 24 fid = f->fid; 25 tag = f->tag; 26 switch(type){ 27 case Tversion: /* 100 */ 28 seprint(buf, e, "Tversion tag %ud msize %ud version '%s'", tag, f->msize, f->version); 29 break; 30 case Rversion: 31 seprint(buf, e, "Rversion tag %ud msize %ud version '%s'", tag, f->msize, f->version); 32 break; 33 case Tauth: /* 102 */ 34 seprint(buf, e, "Tauth tag %ud afid %d uname %s aname %s", tag, 35 f->afid, f->uname, f->aname); 36 break; 37 case Rauth: 38 seprint(buf, e, "Rauth tag %ud qid " QIDFMT, tag, 39 f->aqid.path, f->aqid.vers, qidtype(tmp, f->aqid.type)); 40 break; 41 case Tattach: /* 104 */ 42 seprint(buf, e, "Tattach tag %ud fid %d afid %d uname %s aname %s", tag, 43 fid, f->afid, f->uname, f->aname); 44 break; 45 case Rattach: 46 seprint(buf, e, "Rattach tag %ud qid " QIDFMT, tag, 47 f->qid.path, f->qid.vers, qidtype(tmp, f->qid.type)); 48 break; 49 case Rerror: /* 107; 106 (Terror) illegal */ 50 seprint(buf, e, "Rerror tag %ud ename %s", tag, f->ename); 51 break; 52 case Tflush: /* 108 */ 53 seprint(buf, e, "Tflush tag %ud oldtag %ud", tag, f->oldtag); 54 break; 55 case Rflush: 56 seprint(buf, e, "Rflush tag %ud", tag); 57 break; 58 case Twalk: /* 110 */ 59 p = seprint(buf, e, "Twalk tag %ud fid %d newfid %d nwname %d ", tag, fid, f->newfid, f->nwname); 60 if(f->nwname <= MAXWELEM) 61 for(i=0; i<f->nwname; i++) 62 p = seprint(p, e, "%d:%s ", i, f->wname[i]); 63 break; 64 case Rwalk: 65 p = seprint(buf, e, "Rwalk tag %ud nwqid %ud ", tag, f->nwqid); 66 if(f->nwqid <= MAXWELEM) 67 for(i=0; i<f->nwqid; i++){ 68 q = &f->wqid[i]; 69 p = seprint(p, e, "%d:" QIDFMT " ", i, 70 q->path, q->vers, qidtype(tmp, q->type)); 71 } 72 break; 73 case Topen: /* 112 */ 74 seprint(buf, e, "Topen tag %ud fid %ud mode %d", tag, fid, f->mode); 75 break; 76 case Ropen: 77 seprint(buf, e, "Ropen tag %ud qid " QIDFMT " iounit %ud ", tag, 78 f->qid.path, f->qid.vers, qidtype(tmp, f->qid.type), f->iounit); 79 break; 80 case Tcreate: /* 114 */ 81 seprint(buf, e, "Tcreate tag %ud fid %ud name %s perm %M mode %d", tag, fid, f->name, (ulong)f->perm, f->mode); 82 break; 83 case Rcreate: 84 seprint(buf, e, "Rcreate tag %ud qid " QIDFMT " iounit %ud ", tag, 85 f->qid.path, f->qid.vers, qidtype(tmp, f->qid.type), f->iounit); 86 break; 87 case Tread: /* 116 */ 88 seprint(buf, e, "Tread tag %ud fid %d offset %lld count %ud", 89 tag, fid, f->offset, f->count); 90 break; 91 case Rread: 92 p = seprint(buf, e, "Rread tag %ud count %ud ", tag, f->count); 93 dumpsome(p, e, f->data, f->count); 94 break; 95 case Twrite: /* 118 */ 96 p = seprint(buf, e, "Twrite tag %ud fid %d offset %lld count %ud ", 97 tag, fid, f->offset, f->count); 98 dumpsome(p, e, f->data, f->count); 99 break; 100 case Rwrite: 101 seprint(buf, e, "Rwrite tag %ud count %ud", tag, f->count); 102 break; 103 case Tclunk: /* 120 */ 104 seprint(buf, e, "Tclunk tag %ud fid %ud", tag, fid); 105 break; 106 case Rclunk: 107 seprint(buf, e, "Rclunk tag %ud", tag); 108 break; 109 case Tremove: /* 122 */ 110 seprint(buf, e, "Tremove tag %ud fid %ud", tag, fid); 111 break; 112 case Rremove: 113 seprint(buf, e, "Rremove tag %ud", tag); 114 break; 115 case Tstat: /* 124 */ 116 seprint(buf, e, "Tstat tag %ud fid %ud", tag, fid); 117 break; 118 case Rstat: 119 p = seprint(buf, e, "Rstat tag %ud ", tag); 120 if(f->nstat > sizeof tmp) 121 seprint(p, e, " stat(%d bytes)", f->nstat); 122 else{ 123 d = (Dir*)tmp; 124 convM2D(f->stat, f->nstat, d, (char*)(d+1)); 125 seprint(p, e, " stat "); 126 fdirconv(p+6, e, d); 127 } 128 break; 129 case Twstat: /* 126 */ 130 p = seprint(buf, e, "Twstat tag %ud fid %ud", tag, fid); 131 if(f->nstat > sizeof tmp) 132 seprint(p, e, " stat(%d bytes)", f->nstat); 133 else{ 134 d = (Dir*)tmp; 135 convM2D(f->stat, f->nstat, d, (char*)(d+1)); 136 seprint(p, e, " stat "); 137 fdirconv(p+6, e, d); 138 } 139 break; 140 case Rwstat: 141 seprint(buf, e, "Rwstat tag %ud", tag); 142 break; 143 default: 144 seprint(buf, e, "unknown type %d", type); 145 } 146 return fmtstrcpy(fmt, buf); 147 } 148 149 static char* 150 qidtype(char *s, uchar t) 151 { 152 char *p; 153 154 p = s; 155 if(t & QTDIR) 156 *p++ = 'd'; 157 if(t & QTAPPEND) 158 *p++ = 'a'; 159 if(t & QTEXCL) 160 *p++ = 'l'; 161 if(t & QTAUTH) 162 *p++ = 'A'; 163 *p = '\0'; 164 return s; 165 } 166 167 int 168 dirfmt(Fmt *fmt) 169 { 170 char buf[160]; 171 172 fdirconv(buf, buf+sizeof buf, va_arg(fmt->args, Dir*)); 173 return fmtstrcpy(fmt, buf); 174 } 175 176 static void 177 fdirconv(char *buf, char *e, Dir *d) 178 { 179 char tmp[16]; 180 181 seprint(buf, e, "'%s' '%s' '%s' '%s' " 182 "q " QIDFMT " m %#luo " 183 "at %ld mt %ld l %lld " 184 "t %d d %d", 185 d->name, d->uid, d->gid, d->muid, 186 d->qid.path, d->qid.vers, qidtype(tmp, d->qid.type), d->mode, 187 d->atime, d->mtime, d->length, 188 d->type, d->dev); 189 } 190 191 /* 192 * dump out count (or DUMPL, if count is bigger) bytes from 193 * buf to ans, as a string if they are all printable, 194 * else as a series of hex bytes 195 */ 196 #define DUMPL 64 197 198 static uint 199 dumpsome(char *ans, char *e, char *buf, long count) 200 { 201 int i, printable; 202 char *p; 203 204 if(buf == nil){ 205 seprint(ans, e, "<no data>"); 206 return strlen(ans); 207 } 208 printable = 1; 209 if(count > DUMPL) 210 count = DUMPL; 211 for(i=0; i<count && printable; i++) 212 if((buf[i]<32 && buf[i] !='\n' && buf[i] !='\t') || (uchar)buf[i]>127) 213 printable = 0; 214 p = ans; 215 *p++ = '\''; 216 if(printable){ 217 if(count > e-p-2) 218 count = e-p-2; 219 memmove(p, buf, count); 220 p += count; 221 }else{ 222 if(2*count > e-p-2) 223 count = (e-p-2)/2; 224 for(i=0; i<count; i++){ 225 if(i>0 && i%4==0) 226 *p++ = ' '; 227 sprint(p, "%2.2ux", (uchar)buf[i]); 228 p += 2; 229 } 230 } 231 *p++ = '\''; 232 *p = 0; 233 return p - ans; 234 }