| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 ** 2006 January 09 | |
| 3 ** | |
| 4 ** The author disclaims copyright to this source code. In place of | |
| 5 ** a legal notice, here is a blessing: | |
| 6 ** | |
| 7 ** May you do good and not evil. | |
| 8 ** May you find forgiveness for yourself and forgive others. | |
| 9 ** May you share freely, never taking more than you give. | |
| 10 ** | |
| 11 ************************************************************************* | |
| 12 ** Code for testing the client/server version of the SQLite library. | |
| 13 ** Derived from test4.c. | |
| 14 ** | |
| 15 ** $Id: test7.c,v 1.13 2008/10/12 00:27:54 shane Exp $ | |
| 16 */ | |
| 17 #include "sqliteInt.h" | |
| 18 #include "tcl.h" | |
| 19 | |
| 20 /* | |
| 21 ** This test only works on UNIX with a SQLITE_THREADSAFE build that includes | |
| 22 ** the SQLITE_SERVER option. | |
| 23 */ | |
| 24 #if defined(SQLITE_SERVER) && !defined(SQLITE_OMIT_SHARED_CACHE) && \ | |
| 25 defined(SQLITE_OS_UNIX) && OS_UNIX && SQLITE_THREADSAFE | |
| 26 | |
| 27 #include <stdlib.h> | |
| 28 #include <string.h> | |
| 29 #include <pthread.h> | |
| 30 #include <sched.h> | |
| 31 #include <ctype.h> | |
| 32 | |
| 33 /* | |
| 34 ** Interfaces defined in server.c | |
| 35 */ | |
| 36 int sqlite3_client_open(const char*, sqlite3**); | |
| 37 int sqlite3_client_prepare(sqlite3*,const char*,int, | |
| 38 sqlite3_stmt**,const char**); | |
| 39 int sqlite3_client_step(sqlite3_stmt*); | |
| 40 int sqlite3_client_reset(sqlite3_stmt*); | |
| 41 int sqlite3_client_finalize(sqlite3_stmt*); | |
| 42 int sqlite3_client_close(sqlite3*); | |
| 43 int sqlite3_server_start(void); | |
| 44 int sqlite3_server_stop(void); | |
| 45 | |
| 46 /* | |
| 47 ** Each thread is controlled by an instance of the following | |
| 48 ** structure. | |
| 49 */ | |
| 50 typedef struct Thread Thread; | |
| 51 struct Thread { | |
| 52 /* The first group of fields are writable by the supervisor thread | |
| 53 ** and read-only to the client threads | |
| 54 */ | |
| 55 char *zFilename; /* Name of database file */ | |
| 56 void (*xOp)(Thread*); /* next operation to do */ | |
| 57 char *zArg; /* argument usable by xOp */ | |
| 58 volatile int opnum; /* Operation number */ | |
| 59 volatile int busy; /* True if this thread is in use */ | |
| 60 | |
| 61 /* The next group of fields are writable by the client threads | |
| 62 ** but read-only to the superviser thread. | |
| 63 */ | |
| 64 volatile int completed; /* Number of operations completed */ | |
| 65 sqlite3 *db; /* Open database */ | |
| 66 sqlite3_stmt *pStmt; /* Pending operation */ | |
| 67 char *zErr; /* operation error */ | |
| 68 char *zStaticErr; /* Static error message */ | |
| 69 int rc; /* operation return code */ | |
| 70 int argc; /* number of columns in result */ | |
| 71 const char *argv[100]; /* result columns */ | |
| 72 const char *colv[100]; /* result column names */ | |
| 73 }; | |
| 74 | |
| 75 /* | |
| 76 ** There can be as many as 26 threads running at once. Each is named | |
| 77 ** by a capital letter: A, B, C, ..., Y, Z. | |
| 78 */ | |
| 79 #define N_THREAD 26 | |
| 80 static Thread threadset[N_THREAD]; | |
| 81 | |
| 82 /* | |
| 83 ** The main loop for a thread. Threads use busy waiting. | |
| 84 */ | |
| 85 static void *client_main(void *pArg){ | |
| 86 Thread *p = (Thread*)pArg; | |
| 87 if( p->db ){ | |
| 88 sqlite3_client_close(p->db); | |
| 89 } | |
| 90 sqlite3_client_open(p->zFilename, &p->db); | |
| 91 if( SQLITE_OK!=sqlite3_errcode(p->db) ){ | |
| 92 p->zErr = strdup(sqlite3_errmsg(p->db)); | |
| 93 sqlite3_client_close(p->db); | |
| 94 p->db = 0; | |
| 95 } | |
| 96 p->pStmt = 0; | |
| 97 p->completed = 1; | |
| 98 while( p->opnum<=p->completed ) sched_yield(); | |
| 99 while( p->xOp ){ | |
| 100 if( p->zErr && p->zErr!=p->zStaticErr ){ | |
| 101 sqlite3_free(p->zErr); | |
| 102 p->zErr = 0; | |
| 103 } | |
| 104 (*p->xOp)(p); | |
| 105 p->completed++; | |
| 106 while( p->opnum<=p->completed ) sched_yield(); | |
| 107 } | |
| 108 if( p->pStmt ){ | |
| 109 sqlite3_client_finalize(p->pStmt); | |
| 110 p->pStmt = 0; | |
| 111 } | |
| 112 if( p->db ){ | |
| 113 sqlite3_client_close(p->db); | |
| 114 p->db = 0; | |
| 115 } | |
| 116 if( p->zErr && p->zErr!=p->zStaticErr ){ | |
| 117 sqlite3_free(p->zErr); | |
| 118 p->zErr = 0; | |
| 119 } | |
| 120 p->completed++; | |
| 121 #ifndef SQLITE_OMIT_DEPRECATED | |
| 122 sqlite3_thread_cleanup(); | |
| 123 #endif | |
| 124 return 0; | |
| 125 } | |
| 126 | |
| 127 /* | |
| 128 ** Get a thread ID which is an upper case letter. Return the index. | |
| 129 ** If the argument is not a valid thread ID put an error message in | |
| 130 ** the interpreter and return -1. | |
| 131 */ | |
| 132 static int parse_client_id(Tcl_Interp *interp, const char *zArg){ | |
| 133 if( zArg==0 || zArg[0]==0 || zArg[1]!=0 || !isupper((unsigned char)zArg[0]) ){ | |
| 134 Tcl_AppendResult(interp, "thread ID must be an upper case letter", 0); | |
| 135 return -1; | |
| 136 } | |
| 137 return zArg[0] - 'A'; | |
| 138 } | |
| 139 | |
| 140 /* | |
| 141 ** Usage: client_create NAME FILENAME | |
| 142 ** | |
| 143 ** NAME should be an upper case letter. Start the thread running with | |
| 144 ** an open connection to the given database. | |
| 145 */ | |
| 146 static int tcl_client_create( | |
| 147 void *NotUsed, | |
| 148 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 149 int argc, /* Number of arguments */ | |
| 150 const char **argv /* Text of each argument */ | |
| 151 ){ | |
| 152 int i; | |
| 153 pthread_t x; | |
| 154 int rc; | |
| 155 | |
| 156 if( argc!=3 ){ | |
| 157 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 158 " ID FILENAME", 0); | |
| 159 return TCL_ERROR; | |
| 160 } | |
| 161 i = parse_client_id(interp, argv[1]); | |
| 162 if( i<0 ) return TCL_ERROR; | |
| 163 if( threadset[i].busy ){ | |
| 164 Tcl_AppendResult(interp, "thread ", argv[1], " is already running", 0); | |
| 165 return TCL_ERROR; | |
| 166 } | |
| 167 threadset[i].busy = 1; | |
| 168 sqlite3_free(threadset[i].zFilename); | |
| 169 threadset[i].zFilename = sqlite3DbStrDup(0, argv[2]); | |
| 170 threadset[i].opnum = 1; | |
| 171 threadset[i].completed = 0; | |
| 172 rc = pthread_create(&x, 0, client_main, &threadset[i]); | |
| 173 if( rc ){ | |
| 174 Tcl_AppendResult(interp, "failed to create the thread", 0); | |
| 175 sqlite3_free(threadset[i].zFilename); | |
| 176 threadset[i].busy = 0; | |
| 177 return TCL_ERROR; | |
| 178 } | |
| 179 pthread_detach(x); | |
| 180 sqlite3_server_start(); | |
| 181 return TCL_OK; | |
| 182 } | |
| 183 | |
| 184 /* | |
| 185 ** Wait for a thread to reach its idle state. | |
| 186 */ | |
| 187 static void client_wait(Thread *p){ | |
| 188 while( p->opnum>p->completed ) sched_yield(); | |
| 189 } | |
| 190 | |
| 191 /* | |
| 192 ** Usage: client_wait ID | |
| 193 ** | |
| 194 ** Wait on thread ID to reach its idle state. | |
| 195 */ | |
| 196 static int tcl_client_wait( | |
| 197 void *NotUsed, | |
| 198 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 199 int argc, /* Number of arguments */ | |
| 200 const char **argv /* Text of each argument */ | |
| 201 ){ | |
| 202 int i; | |
| 203 | |
| 204 if( argc!=2 ){ | |
| 205 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 206 " ID", 0); | |
| 207 return TCL_ERROR; | |
| 208 } | |
| 209 i = parse_client_id(interp, argv[1]); | |
| 210 if( i<0 ) return TCL_ERROR; | |
| 211 if( !threadset[i].busy ){ | |
| 212 Tcl_AppendResult(interp, "no such thread", 0); | |
| 213 return TCL_ERROR; | |
| 214 } | |
| 215 client_wait(&threadset[i]); | |
| 216 return TCL_OK; | |
| 217 } | |
| 218 | |
| 219 /* | |
| 220 ** Stop a thread. | |
| 221 */ | |
| 222 static void stop_thread(Thread *p){ | |
| 223 client_wait(p); | |
| 224 p->xOp = 0; | |
| 225 p->opnum++; | |
| 226 client_wait(p); | |
| 227 sqlite3_free(p->zArg); | |
| 228 p->zArg = 0; | |
| 229 sqlite3_free(p->zFilename); | |
| 230 p->zFilename = 0; | |
| 231 p->busy = 0; | |
| 232 } | |
| 233 | |
| 234 /* | |
| 235 ** Usage: client_halt ID | |
| 236 ** | |
| 237 ** Cause a client thread to shut itself down. Wait for the shutdown to be | |
| 238 ** completed. If ID is "*" then stop all client threads. | |
| 239 */ | |
| 240 static int tcl_client_halt( | |
| 241 void *NotUsed, | |
| 242 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 243 int argc, /* Number of arguments */ | |
| 244 const char **argv /* Text of each argument */ | |
| 245 ){ | |
| 246 int i; | |
| 247 | |
| 248 if( argc!=2 ){ | |
| 249 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 250 " ID", 0); | |
| 251 return TCL_ERROR; | |
| 252 } | |
| 253 if( argv[1][0]=='*' && argv[1][1]==0 ){ | |
| 254 for(i=0; i<N_THREAD; i++){ | |
| 255 if( threadset[i].busy ){ | |
| 256 stop_thread(&threadset[i]); | |
| 257 } | |
| 258 } | |
| 259 }else{ | |
| 260 i = parse_client_id(interp, argv[1]); | |
| 261 if( i<0 ) return TCL_ERROR; | |
| 262 if( !threadset[i].busy ){ | |
| 263 Tcl_AppendResult(interp, "no such thread", 0); | |
| 264 return TCL_ERROR; | |
| 265 } | |
| 266 stop_thread(&threadset[i]); | |
| 267 } | |
| 268 | |
| 269 /* If no client threads are still running, also stop the server */ | |
| 270 for(i=0; i<N_THREAD && threadset[i].busy==0; i++){} | |
| 271 if( i>=N_THREAD ){ | |
| 272 sqlite3_server_stop(); | |
| 273 } | |
| 274 return TCL_OK; | |
| 275 } | |
| 276 | |
| 277 /* | |
| 278 ** Usage: client_argc ID | |
| 279 ** | |
| 280 ** Wait on the most recent client_step to complete, then return the | |
| 281 ** number of columns in the result set. | |
| 282 */ | |
| 283 static int tcl_client_argc( | |
| 284 void *NotUsed, | |
| 285 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 286 int argc, /* Number of arguments */ | |
| 287 const char **argv /* Text of each argument */ | |
| 288 ){ | |
| 289 int i; | |
| 290 char zBuf[100]; | |
| 291 | |
| 292 if( argc!=2 ){ | |
| 293 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 294 " ID", 0); | |
| 295 return TCL_ERROR; | |
| 296 } | |
| 297 i = parse_client_id(interp, argv[1]); | |
| 298 if( i<0 ) return TCL_ERROR; | |
| 299 if( !threadset[i].busy ){ | |
| 300 Tcl_AppendResult(interp, "no such thread", 0); | |
| 301 return TCL_ERROR; | |
| 302 } | |
| 303 client_wait(&threadset[i]); | |
| 304 sprintf(zBuf, "%d", threadset[i].argc); | |
| 305 Tcl_AppendResult(interp, zBuf, 0); | |
| 306 return TCL_OK; | |
| 307 } | |
| 308 | |
| 309 /* | |
| 310 ** Usage: client_argv ID N | |
| 311 ** | |
| 312 ** Wait on the most recent client_step to complete, then return the | |
| 313 ** value of the N-th columns in the result set. | |
| 314 */ | |
| 315 static int tcl_client_argv( | |
| 316 void *NotUsed, | |
| 317 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 318 int argc, /* Number of arguments */ | |
| 319 const char **argv /* Text of each argument */ | |
| 320 ){ | |
| 321 int i; | |
| 322 int n; | |
| 323 | |
| 324 if( argc!=3 ){ | |
| 325 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 326 " ID N", 0); | |
| 327 return TCL_ERROR; | |
| 328 } | |
| 329 i = parse_client_id(interp, argv[1]); | |
| 330 if( i<0 ) return TCL_ERROR; | |
| 331 if( !threadset[i].busy ){ | |
| 332 Tcl_AppendResult(interp, "no such thread", 0); | |
| 333 return TCL_ERROR; | |
| 334 } | |
| 335 if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR; | |
| 336 client_wait(&threadset[i]); | |
| 337 if( n<0 || n>=threadset[i].argc ){ | |
| 338 Tcl_AppendResult(interp, "column number out of range", 0); | |
| 339 return TCL_ERROR; | |
| 340 } | |
| 341 Tcl_AppendResult(interp, threadset[i].argv[n], 0); | |
| 342 return TCL_OK; | |
| 343 } | |
| 344 | |
| 345 /* | |
| 346 ** Usage: client_colname ID N | |
| 347 ** | |
| 348 ** Wait on the most recent client_step to complete, then return the | |
| 349 ** name of the N-th columns in the result set. | |
| 350 */ | |
| 351 static int tcl_client_colname( | |
| 352 void *NotUsed, | |
| 353 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 354 int argc, /* Number of arguments */ | |
| 355 const char **argv /* Text of each argument */ | |
| 356 ){ | |
| 357 int i; | |
| 358 int n; | |
| 359 | |
| 360 if( argc!=3 ){ | |
| 361 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 362 " ID N", 0); | |
| 363 return TCL_ERROR; | |
| 364 } | |
| 365 i = parse_client_id(interp, argv[1]); | |
| 366 if( i<0 ) return TCL_ERROR; | |
| 367 if( !threadset[i].busy ){ | |
| 368 Tcl_AppendResult(interp, "no such thread", 0); | |
| 369 return TCL_ERROR; | |
| 370 } | |
| 371 if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR; | |
| 372 client_wait(&threadset[i]); | |
| 373 if( n<0 || n>=threadset[i].argc ){ | |
| 374 Tcl_AppendResult(interp, "column number out of range", 0); | |
| 375 return TCL_ERROR; | |
| 376 } | |
| 377 Tcl_AppendResult(interp, threadset[i].colv[n], 0); | |
| 378 return TCL_OK; | |
| 379 } | |
| 380 | |
| 381 /* | |
| 382 ** Usage: client_result ID | |
| 383 ** | |
| 384 ** Wait on the most recent operation to complete, then return the | |
| 385 ** result code from that operation. | |
| 386 */ | |
| 387 static int tcl_client_result( | |
| 388 void *NotUsed, | |
| 389 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 390 int argc, /* Number of arguments */ | |
| 391 const char **argv /* Text of each argument */ | |
| 392 ){ | |
| 393 int i; | |
| 394 const char *zName; | |
| 395 | |
| 396 if( argc!=2 ){ | |
| 397 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 398 " ID", 0); | |
| 399 return TCL_ERROR; | |
| 400 } | |
| 401 i = parse_client_id(interp, argv[1]); | |
| 402 if( i<0 ) return TCL_ERROR; | |
| 403 if( !threadset[i].busy ){ | |
| 404 Tcl_AppendResult(interp, "no such thread", 0); | |
| 405 return TCL_ERROR; | |
| 406 } | |
| 407 client_wait(&threadset[i]); | |
| 408 switch( threadset[i].rc ){ | |
| 409 case SQLITE_OK: zName = "SQLITE_OK"; break; | |
| 410 case SQLITE_ERROR: zName = "SQLITE_ERROR"; break; | |
| 411 case SQLITE_PERM: zName = "SQLITE_PERM"; break; | |
| 412 case SQLITE_ABORT: zName = "SQLITE_ABORT"; break; | |
| 413 case SQLITE_BUSY: zName = "SQLITE_BUSY"; break; | |
| 414 case SQLITE_LOCKED: zName = "SQLITE_LOCKED"; break; | |
| 415 case SQLITE_NOMEM: zName = "SQLITE_NOMEM"; break; | |
| 416 case SQLITE_READONLY: zName = "SQLITE_READONLY"; break; | |
| 417 case SQLITE_INTERRUPT: zName = "SQLITE_INTERRUPT"; break; | |
| 418 case SQLITE_IOERR: zName = "SQLITE_IOERR"; break; | |
| 419 case SQLITE_CORRUPT: zName = "SQLITE_CORRUPT"; break; | |
| 420 case SQLITE_FULL: zName = "SQLITE_FULL"; break; | |
| 421 case SQLITE_CANTOPEN: zName = "SQLITE_CANTOPEN"; break; | |
| 422 case SQLITE_PROTOCOL: zName = "SQLITE_PROTOCOL"; break; | |
| 423 case SQLITE_EMPTY: zName = "SQLITE_EMPTY"; break; | |
| 424 case SQLITE_SCHEMA: zName = "SQLITE_SCHEMA"; break; | |
| 425 case SQLITE_CONSTRAINT: zName = "SQLITE_CONSTRAINT"; break; | |
| 426 case SQLITE_MISMATCH: zName = "SQLITE_MISMATCH"; break; | |
| 427 case SQLITE_MISUSE: zName = "SQLITE_MISUSE"; break; | |
| 428 case SQLITE_NOLFS: zName = "SQLITE_NOLFS"; break; | |
| 429 case SQLITE_AUTH: zName = "SQLITE_AUTH"; break; | |
| 430 case SQLITE_FORMAT: zName = "SQLITE_FORMAT"; break; | |
| 431 case SQLITE_RANGE: zName = "SQLITE_RANGE"; break; | |
| 432 case SQLITE_ROW: zName = "SQLITE_ROW"; break; | |
| 433 case SQLITE_DONE: zName = "SQLITE_DONE"; break; | |
| 434 default: zName = "SQLITE_Unknown"; break; | |
| 435 } | |
| 436 Tcl_AppendResult(interp, zName, 0); | |
| 437 return TCL_OK; | |
| 438 } | |
| 439 | |
| 440 /* | |
| 441 ** Usage: client_error ID | |
| 442 ** | |
| 443 ** Wait on the most recent operation to complete, then return the | |
| 444 ** error string. | |
| 445 */ | |
| 446 static int tcl_client_error( | |
| 447 void *NotUsed, | |
| 448 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 449 int argc, /* Number of arguments */ | |
| 450 const char **argv /* Text of each argument */ | |
| 451 ){ | |
| 452 int i; | |
| 453 | |
| 454 if( argc!=2 ){ | |
| 455 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 456 " ID", 0); | |
| 457 return TCL_ERROR; | |
| 458 } | |
| 459 i = parse_client_id(interp, argv[1]); | |
| 460 if( i<0 ) return TCL_ERROR; | |
| 461 if( !threadset[i].busy ){ | |
| 462 Tcl_AppendResult(interp, "no such thread", 0); | |
| 463 return TCL_ERROR; | |
| 464 } | |
| 465 client_wait(&threadset[i]); | |
| 466 Tcl_AppendResult(interp, threadset[i].zErr, 0); | |
| 467 return TCL_OK; | |
| 468 } | |
| 469 | |
| 470 /* | |
| 471 ** This procedure runs in the thread to compile an SQL statement. | |
| 472 */ | |
| 473 static void do_compile(Thread *p){ | |
| 474 if( p->db==0 ){ | |
| 475 p->zErr = p->zStaticErr = "no database is open"; | |
| 476 p->rc = SQLITE_ERROR; | |
| 477 return; | |
| 478 } | |
| 479 if( p->pStmt ){ | |
| 480 sqlite3_client_finalize(p->pStmt); | |
| 481 p->pStmt = 0; | |
| 482 } | |
| 483 p->rc = sqlite3_client_prepare(p->db, p->zArg, -1, &p->pStmt, 0); | |
| 484 } | |
| 485 | |
| 486 /* | |
| 487 ** Usage: client_compile ID SQL | |
| 488 ** | |
| 489 ** Compile a new virtual machine. | |
| 490 */ | |
| 491 static int tcl_client_compile( | |
| 492 void *NotUsed, | |
| 493 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 494 int argc, /* Number of arguments */ | |
| 495 const char **argv /* Text of each argument */ | |
| 496 ){ | |
| 497 int i; | |
| 498 if( argc!=3 ){ | |
| 499 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 500 " ID SQL", 0); | |
| 501 return TCL_ERROR; | |
| 502 } | |
| 503 i = parse_client_id(interp, argv[1]); | |
| 504 if( i<0 ) return TCL_ERROR; | |
| 505 if( !threadset[i].busy ){ | |
| 506 Tcl_AppendResult(interp, "no such thread", 0); | |
| 507 return TCL_ERROR; | |
| 508 } | |
| 509 client_wait(&threadset[i]); | |
| 510 threadset[i].xOp = do_compile; | |
| 511 sqlite3_free(threadset[i].zArg); | |
| 512 threadset[i].zArg = sqlite3DbStrDup(0, argv[2]); | |
| 513 threadset[i].opnum++; | |
| 514 return TCL_OK; | |
| 515 } | |
| 516 | |
| 517 /* | |
| 518 ** This procedure runs in the thread to step the virtual machine. | |
| 519 */ | |
| 520 static void do_step(Thread *p){ | |
| 521 int i; | |
| 522 if( p->pStmt==0 ){ | |
| 523 p->zErr = p->zStaticErr = "no virtual machine available"; | |
| 524 p->rc = SQLITE_ERROR; | |
| 525 return; | |
| 526 } | |
| 527 p->rc = sqlite3_client_step(p->pStmt); | |
| 528 if( p->rc==SQLITE_ROW ){ | |
| 529 p->argc = sqlite3_column_count(p->pStmt); | |
| 530 for(i=0; i<sqlite3_data_count(p->pStmt); i++){ | |
| 531 p->argv[i] = (char*)sqlite3_column_text(p->pStmt, i); | |
| 532 } | |
| 533 for(i=0; i<p->argc; i++){ | |
| 534 p->colv[i] = sqlite3_column_name(p->pStmt, i); | |
| 535 } | |
| 536 } | |
| 537 } | |
| 538 | |
| 539 /* | |
| 540 ** Usage: client_step ID | |
| 541 ** | |
| 542 ** Advance the virtual machine by one step | |
| 543 */ | |
| 544 static int tcl_client_step( | |
| 545 void *NotUsed, | |
| 546 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 547 int argc, /* Number of arguments */ | |
| 548 const char **argv /* Text of each argument */ | |
| 549 ){ | |
| 550 int i; | |
| 551 if( argc!=2 ){ | |
| 552 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 553 " IDL", 0); | |
| 554 return TCL_ERROR; | |
| 555 } | |
| 556 i = parse_client_id(interp, argv[1]); | |
| 557 if( i<0 ) return TCL_ERROR; | |
| 558 if( !threadset[i].busy ){ | |
| 559 Tcl_AppendResult(interp, "no such thread", 0); | |
| 560 return TCL_ERROR; | |
| 561 } | |
| 562 client_wait(&threadset[i]); | |
| 563 threadset[i].xOp = do_step; | |
| 564 threadset[i].opnum++; | |
| 565 return TCL_OK; | |
| 566 } | |
| 567 | |
| 568 /* | |
| 569 ** This procedure runs in the thread to finalize a virtual machine. | |
| 570 */ | |
| 571 static void do_finalize(Thread *p){ | |
| 572 if( p->pStmt==0 ){ | |
| 573 p->zErr = p->zStaticErr = "no virtual machine available"; | |
| 574 p->rc = SQLITE_ERROR; | |
| 575 return; | |
| 576 } | |
| 577 p->rc = sqlite3_client_finalize(p->pStmt); | |
| 578 p->pStmt = 0; | |
| 579 } | |
| 580 | |
| 581 /* | |
| 582 ** Usage: client_finalize ID | |
| 583 ** | |
| 584 ** Finalize the virtual machine. | |
| 585 */ | |
| 586 static int tcl_client_finalize( | |
| 587 void *NotUsed, | |
| 588 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 589 int argc, /* Number of arguments */ | |
| 590 const char **argv /* Text of each argument */ | |
| 591 ){ | |
| 592 int i; | |
| 593 if( argc!=2 ){ | |
| 594 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 595 " IDL", 0); | |
| 596 return TCL_ERROR; | |
| 597 } | |
| 598 i = parse_client_id(interp, argv[1]); | |
| 599 if( i<0 ) return TCL_ERROR; | |
| 600 if( !threadset[i].busy ){ | |
| 601 Tcl_AppendResult(interp, "no such thread", 0); | |
| 602 return TCL_ERROR; | |
| 603 } | |
| 604 client_wait(&threadset[i]); | |
| 605 threadset[i].xOp = do_finalize; | |
| 606 sqlite3_free(threadset[i].zArg); | |
| 607 threadset[i].zArg = 0; | |
| 608 threadset[i].opnum++; | |
| 609 return TCL_OK; | |
| 610 } | |
| 611 | |
| 612 /* | |
| 613 ** This procedure runs in the thread to reset a virtual machine. | |
| 614 */ | |
| 615 static void do_reset(Thread *p){ | |
| 616 if( p->pStmt==0 ){ | |
| 617 p->zErr = p->zStaticErr = "no virtual machine available"; | |
| 618 p->rc = SQLITE_ERROR; | |
| 619 return; | |
| 620 } | |
| 621 p->rc = sqlite3_client_reset(p->pStmt); | |
| 622 p->pStmt = 0; | |
| 623 } | |
| 624 | |
| 625 /* | |
| 626 ** Usage: client_reset ID | |
| 627 ** | |
| 628 ** Finalize the virtual machine. | |
| 629 */ | |
| 630 static int tcl_client_reset( | |
| 631 void *NotUsed, | |
| 632 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 633 int argc, /* Number of arguments */ | |
| 634 const char **argv /* Text of each argument */ | |
| 635 ){ | |
| 636 int i; | |
| 637 if( argc!=2 ){ | |
| 638 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 639 " IDL", 0); | |
| 640 return TCL_ERROR; | |
| 641 } | |
| 642 i = parse_client_id(interp, argv[1]); | |
| 643 if( i<0 ) return TCL_ERROR; | |
| 644 if( !threadset[i].busy ){ | |
| 645 Tcl_AppendResult(interp, "no such thread", 0); | |
| 646 return TCL_ERROR; | |
| 647 } | |
| 648 client_wait(&threadset[i]); | |
| 649 threadset[i].xOp = do_reset; | |
| 650 sqlite3_free(threadset[i].zArg); | |
| 651 threadset[i].zArg = 0; | |
| 652 threadset[i].opnum++; | |
| 653 return TCL_OK; | |
| 654 } | |
| 655 | |
| 656 /* | |
| 657 ** Usage: client_swap ID ID | |
| 658 ** | |
| 659 ** Interchange the sqlite* pointer between two threads. | |
| 660 */ | |
| 661 static int tcl_client_swap( | |
| 662 void *NotUsed, | |
| 663 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ | |
| 664 int argc, /* Number of arguments */ | |
| 665 const char **argv /* Text of each argument */ | |
| 666 ){ | |
| 667 int i, j; | |
| 668 sqlite3 *temp; | |
| 669 if( argc!=3 ){ | |
| 670 Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], | |
| 671 " ID1 ID2", 0); | |
| 672 return TCL_ERROR; | |
| 673 } | |
| 674 i = parse_client_id(interp, argv[1]); | |
| 675 if( i<0 ) return TCL_ERROR; | |
| 676 if( !threadset[i].busy ){ | |
| 677 Tcl_AppendResult(interp, "no such thread", 0); | |
| 678 return TCL_ERROR; | |
| 679 } | |
| 680 client_wait(&threadset[i]); | |
| 681 j = parse_client_id(interp, argv[2]); | |
| 682 if( j<0 ) return TCL_ERROR; | |
| 683 if( !threadset[j].busy ){ | |
| 684 Tcl_AppendResult(interp, "no such thread", 0); | |
| 685 return TCL_ERROR; | |
| 686 } | |
| 687 client_wait(&threadset[j]); | |
| 688 temp = threadset[i].db; | |
| 689 threadset[i].db = threadset[j].db; | |
| 690 threadset[j].db = temp; | |
| 691 return TCL_OK; | |
| 692 } | |
| 693 | |
| 694 /* | |
| 695 ** Register commands with the TCL interpreter. | |
| 696 */ | |
| 697 int Sqlitetest7_Init(Tcl_Interp *interp){ | |
| 698 static struct { | |
| 699 char *zName; | |
| 700 Tcl_CmdProc *xProc; | |
| 701 } aCmd[] = { | |
| 702 { "client_create", (Tcl_CmdProc*)tcl_client_create }, | |
| 703 { "client_wait", (Tcl_CmdProc*)tcl_client_wait }, | |
| 704 { "client_halt", (Tcl_CmdProc*)tcl_client_halt }, | |
| 705 { "client_argc", (Tcl_CmdProc*)tcl_client_argc }, | |
| 706 { "client_argv", (Tcl_CmdProc*)tcl_client_argv }, | |
| 707 { "client_colname", (Tcl_CmdProc*)tcl_client_colname }, | |
| 708 { "client_result", (Tcl_CmdProc*)tcl_client_result }, | |
| 709 { "client_error", (Tcl_CmdProc*)tcl_client_error }, | |
| 710 { "client_compile", (Tcl_CmdProc*)tcl_client_compile }, | |
| 711 { "client_step", (Tcl_CmdProc*)tcl_client_step }, | |
| 712 { "client_reset", (Tcl_CmdProc*)tcl_client_reset }, | |
| 713 { "client_finalize", (Tcl_CmdProc*)tcl_client_finalize }, | |
| 714 { "client_swap", (Tcl_CmdProc*)tcl_client_swap }, | |
| 715 }; | |
| 716 int i; | |
| 717 | |
| 718 for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){ | |
| 719 Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0); | |
| 720 } | |
| 721 return TCL_OK; | |
| 722 } | |
| 723 #else | |
| 724 int Sqlitetest7_Init(Tcl_Interp *interp){ return TCL_OK; } | |
| 725 #endif /* SQLITE_OS_UNIX */ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 3108030:
Move bundled copy of sqlite one level deeper to better separate it... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/