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Overview
Comment: | Add a prototype TH3-script-style test harness that starts multiple processes operating on the same database file at the same time. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | mptest |
Files: | files | file ages | folders |
SHA1: |
c318fafe686120d7fb8e487eb3bb4942 |
User & Date: | drh 2013-04-06 00:19:37.887 |
Context
2013-04-06
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13:09 | Many improvements to the mptest program. Added a simple test script. (check-in: 07b0401a9b user: drh tags: mptest) | |
00:19 | Add a prototype TH3-script-style test harness that starts multiple processes operating on the same database file at the same time. (check-in: c318fafe68 user: drh tags: mptest) | |
2013-04-05
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20:40 | Improve the code coverage of "permutations.test coverage-pager". (check-in: b095e2cdb6 user: dan tags: trunk) | |
Changes
Added mptest/mptest.c.
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1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 | /* ** 2013-04-05 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This is a program used for testing SQLite, and specifically for testing ** the ability of independent processes to access the same SQLite database ** concurrently. ** ** Compile this program as follows: ** ** gcc -g -c -Wall sqlite3.c $(OPTS) ** gcc -g -o mptest mptest.c sqlite3.o $(LIBS) ** ** Recommended options: ** ** -DHAVE_USLEEP ** -DSQLITE_NO_SYNC ** -DSQLITE_THREADSAFE=0 ** -DSQLITE_OMIT_LOAD_EXTENSION ** ** Run like this: ** ** ./mptest $database $script ** ** where $database is the database to use for testing and $script is a ** test script. */ #include "sqlite3.h" #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #include <assert.h> #include <ctype.h> /* Global data */ static struct Global { char *argv0; /* Name of the executable */ const char *zVfs; /* Name of VFS to use. Often NULL meaning "default" */ char *zDbFile; /* Name of the database */ sqlite3 *db; /* Open connection to database */ char *zErrLog; /* Filename for error log */ FILE *pErrLog; /* Where to write errors */ char *zLog; /* Name of output log file */ FILE *pLog; /* Where to write log messages */ char zName[12]; /* Symbolic name of this process */ int taskId; /* Task ID. 0 means supervisor. */ int iTrace; /* Tracing level */ int bSqlTrace; /* True to trace SQL commands */ int nError; /* Number of errors */ } g; /* ** Print a message adding zPrefix[] to the beginning of every line. */ static void printWithPrefix(FILE *pOut, const char *zPrefix, const char *zMsg){ while( zMsg && zMsg[0] ){ int i; for(i=0; zMsg[i] && zMsg[i]!='\n' && zMsg[i]!='\r'; i++){} fprintf(pOut, "%s%.*s\n", zPrefix, i, zMsg); zMsg += i; while( zMsg[0]=='\n' || zMsg[0]=='\r' ) zMsg++; } } /* ** Compare two pointers to strings, where the pointers might be NULL. */ static int safe_strcmp(const char *a, const char *b){ if( a==b ) return 0; if( a==0 ) return -1; if( b==0 ) return 1; return strcmp(a,b); } /* ** Return TRUE if string z[] matches glob pattern zGlob[]. ** Return FALSE if the pattern does not match. ** ** Globbing rules: ** ** '*' Matches any sequence of zero or more characters. ** ** '?' Matches exactly one character. ** ** [...] Matches one character from the enclosed list of ** characters. ** ** [^...] Matches one character not in the enclosed list. ** ** '#' Matches any sequence of one or more digits with an ** optional + or - sign in front */ int strglob(const char *zGlob, const char *z){ int c, c2; int invert; int seen; while( (c = (*(zGlob++)))!=0 ){ if( c=='*' ){ while( (c=(*(zGlob++))) == '*' || c=='?' ){ if( c=='?' && (*(z++))==0 ) return 0; } if( c==0 ){ return 1; }else if( c=='[' ){ while( *z && strglob(zGlob-1,z) ){ z++; } return (*z)!=0; } while( (c2 = (*(z++)))!=0 ){ while( c2!=c ){ c2 = *(z++); if( c2==0 ) return 0; } if( strglob(zGlob,z) ) return 1; } return 0; }else if( c=='?' ){ if( (*(z++))==0 ) return 0; }else if( c=='[' ){ int prior_c = 0; seen = 0; invert = 0; c = *(z++); if( c==0 ) return 0; c2 = *(zGlob++); if( c2=='^' ){ invert = 1; c2 = *(zGlob++); } if( c2==']' ){ if( c==']' ) seen = 1; c2 = *(zGlob++); } while( c2 && c2!=']' ){ if( c2=='-' && zGlob[0]!=']' && zGlob[0]!=0 && prior_c>0 ){ c2 = *(zGlob++); if( c>=prior_c && c<=c2 ) seen = 1; prior_c = 0; }else{ if( c==c2 ){ seen = 1; } prior_c = c2; } c2 = *(zGlob++); } if( c2==0 || (seen ^ invert)==0 ) return 0; }else if( c=='#' ){ if( (z[0]=='-' || z[0]=='+') && isdigit(z[1]) ) z++; if( !isdigit(z[0]) ) return 0; z++; while( isdigit(z[0]) ){ z++; } }else{ if( c!=(*(z++)) ) return 0; } } return *z==0; } /* ** Close output stream pOut if it is not stdout or stderr */ static void maybeClose(FILE *pOut){ if( pOut!=stdout && pOut!=stderr ) fclose(pOut); } /* ** Print an error message */ static void errorMessage(const char *zFormat, ...){ va_list ap; char *zMsg; char zPrefix[30]; va_start(ap, zFormat); zMsg = sqlite3_vmprintf(zFormat, ap); va_end(ap); sqlite3_snprintf(sizeof(zPrefix), zPrefix, "%s:ERROR: ", g.zName); if( g.pLog ){ printWithPrefix(g.pLog, zPrefix, zMsg); fflush(g.pLog); } if( g.pErrLog && safe_strcmp(g.zErrLog,g.zLog) ){ printWithPrefix(g.pErrLog, zPrefix, zMsg); fflush(g.pErrLog); } sqlite3_free(zMsg); g.nError++; } /* Forward declaration */ static int trySql(const char*, ...); /* ** Print an error message and then quit. */ static void fatalError(const char *zFormat, ...){ va_list ap; char *zMsg; char zPrefix[30]; va_start(ap, zFormat); zMsg = sqlite3_vmprintf(zFormat, ap); va_end(ap); sqlite3_snprintf(sizeof(zPrefix), zPrefix, "%s:FATAL: ", g.zName); if( g.pLog ){ printWithPrefix(g.pLog, zPrefix, zMsg); fflush(g.pLog); maybeClose(g.pLog); } if( g.pErrLog && safe_strcmp(g.zErrLog,g.zLog) ){ printWithPrefix(g.pErrLog, zPrefix, zMsg); fflush(g.pErrLog); maybeClose(g.pErrLog); } sqlite3_free(zMsg); if( g.db ){ int nTry = 0; while( trySql("CREATE TABLE halt(x);")==SQLITE_BUSY && (nTry++)<100 ){ sqlite3_sleep(10); } } sqlite3_close(g.db); exit(1); } /* ** Print a log message */ static void logMessage(const char *zFormat, ...){ va_list ap; char *zMsg; char zPrefix[30]; va_start(ap, zFormat); zMsg = sqlite3_vmprintf(zFormat, ap); va_end(ap); sqlite3_snprintf(sizeof(zPrefix), zPrefix, "%s: ", g.zName); if( g.pLog ){ printWithPrefix(g.pLog, zPrefix, zMsg); fflush(g.pLog); } sqlite3_free(zMsg); } /* ** Return the length of a string omitting trailing whitespace */ static int clipLength(const char *z){ int n = (int)strlen(z); while( n>0 && isspace(z[n-1]) ){ n--; } return n; } /* ** SQL Trace callback */ static void sqlTraceCallback(void *NotUsed1, const char *zSql){ logMessage("[%.*s]", clipLength(zSql), zSql); } /* ** Prepare an SQL statement. Issue a fatal error if unable. */ static sqlite3_stmt *prepareSql(const char *zFormat, ...){ va_list ap; char *zSql; int rc; sqlite3_stmt *pStmt = 0; va_start(ap, zFormat); zSql = sqlite3_vmprintf(zFormat, ap); va_end(ap); rc = sqlite3_prepare_v2(g.db, zSql, -1, &pStmt, 0); if( rc!=SQLITE_OK ){ sqlite3_finalize(pStmt); fatalError("%s\n%s\n", sqlite3_errmsg(g.db), zSql); } sqlite3_free(zSql); return pStmt; } /* ** Run arbitrary SQL. Issue a fatal error on failure. */ static void runSql(const char *zFormat, ...){ va_list ap; char *zSql; int rc; va_start(ap, zFormat); zSql = sqlite3_vmprintf(zFormat, ap); va_end(ap); rc = sqlite3_exec(g.db, zSql, 0, 0, 0); if( rc!=SQLITE_OK ){ fatalError("%s\n%s\n", sqlite3_errmsg(g.db), zSql); } sqlite3_free(zSql); } /* ** Try to run arbitrary SQL. Return success code. */ static int trySql(const char *zFormat, ...){ va_list ap; char *zSql; int rc; va_start(ap, zFormat); zSql = sqlite3_vmprintf(zFormat, ap); va_end(ap); rc = sqlite3_exec(g.db, zSql, 0, 0, 0); sqlite3_free(zSql); return rc; } /* Structure for holding an arbitrary length string */ typedef struct String String; struct String { char *z; /* the string */ int n; /* Slots of z[] used */ int nAlloc; /* Slots of z[] allocated */ }; /* Free a string */ static void stringFree(String *p){ if( p->z ) sqlite3_free(p->z); memset(p, 0, sizeof(*p)); } /* Append n bytes of text to a string. If n<0 append the entire string. */ static void stringAppend(String *p, const char *z, int n){ if( n<0 ) n = (int)strlen(z); if( p->n+n>=p->nAlloc ){ int nAlloc = p->nAlloc*2 + n + 100; char *z = sqlite3_realloc(p->z, nAlloc); if( z==0 ) fatalError("out of memory"); p->z = z; p->nAlloc = nAlloc; } memcpy(p->z+p->n, z, n); p->n += n; p->z[p->n] = 0; } /* Reset a string to an empty string */ static void stringReset(String *p){ if( p->z==0 ) stringAppend(p, " ", 1); p->n = 0; p->z[0] = 0; } /* Append a new token onto the end of the string */ static void stringAppendTerm(String *p, const char *z){ int i; if( p->n ) stringAppend(p, " ", 1); if( z==0 ){ stringAppend(p, "nil", 3); return; } for(i=0; z[i] && !isspace(z[i]); i++){} if( i>0 && z[i]==0 ){ stringAppend(p, z, i); return; } stringAppend(p, "'", 1); while( z[0] ){ for(i=0; z[i] && z[i]!='\''; i++){} if( z[i] ){ stringAppend(p, z, i+1); stringAppend(p, "'", 1); z += i+1; }else{ stringAppend(p, z, i); break; } } stringAppend(p, "'", 1); } /* ** Callback function for evalSql() */ static int evalCallback(void *pCData, int argc, char **argv, char **azCol){ String *p = (String*)pCData; int i; for(i=0; i<argc; i++) stringAppendTerm(p, argv[i]); return 0; } /* ** Run arbitrary SQL and record the results in an output string ** given by the first parameter. */ static int evalSql(String *p, const char *zFormat, ...){ va_list ap; char *zSql; int rc; char *zErrMsg = 0; va_start(ap, zFormat); zSql = sqlite3_vmprintf(zFormat, ap); va_end(ap); rc = sqlite3_exec(g.db, zSql, evalCallback, p, &zErrMsg); sqlite3_free(zSql); if( rc ){ char zErr[30]; sqlite3_snprintf(sizeof(zErr), zErr, "error(%d)", rc); stringAppendTerm(p, zErr); if( zErrMsg ){ stringAppendTerm(p, zErrMsg); sqlite3_free(zErrMsg); } } return rc; } /* ** Look up the next task for client iClient in the database. ** Return the task script and the task number and mark that ** task as being under way. */ static int startScript( int iClient, /* The client number */ char **pzScript, /* Write task script here */ int *pTaskId /* Write task number here */ ){ sqlite3_stmt *pStmt = 0; int taskId; int rc; *pzScript = 0; while(1){ if( trySql("SELECT * FROM halt")==SQLITE_OK ) return SQLITE_DONE; rc = trySql("BEGIN IMMEDIATE"); if( rc==SQLITE_BUSY ){ sqlite3_sleep(10); continue; } if( rc!=SQLITE_OK ){ fatalError("%s\nBEGIN IMMEDIATE", sqlite3_errmsg(g.db)); } if( g.nError ){ runSql("UPDATE clienterror SET cnt=cnt+%d", g.nError); g.nError = 0; } pStmt = prepareSql( "SELECT script, id FROM task" " WHERE client=%d AND starttime IS NULL" " ORDER BY id LIMIT 1", iClient); rc = sqlite3_step(pStmt); if( rc==SQLITE_ROW ){ int n = sqlite3_column_bytes(pStmt, 0); *pzScript = sqlite3_malloc( n+ 1 ); strcpy(*pzScript, (const char*)sqlite3_column_text(pStmt, 0)); *pTaskId = taskId = sqlite3_column_int(pStmt, 1); sqlite3_finalize(pStmt); runSql("UPDATE task" " SET starttime=strftime('%%Y-%%m-%%d %%H:%%M:%%f','now')" " WHERE id=%d;", taskId); runSql("COMMIT;"); return SQLITE_OK; } sqlite3_finalize(pStmt); if( rc==SQLITE_DONE ){ runSql("COMMIT;"); sqlite3_sleep(100); continue; } fatalError("%s", sqlite3_errmsg(g.db)); } } /* ** Mark a script as having finished. */ static int finishScript(int taskId){ sqlite3_stmt *pStmt; int rc; pStmt = prepareSql( "UPDATE task" " SET endtime=strftime('%%Y-%%m-%%d %%H:%%M:%%f','now')" " WHERE id=%d;", taskId); do{ rc = sqlite3_step(pStmt); sqlite3_reset(pStmt); }while( rc==SQLITE_BUSY ); sqlite3_finalize(pStmt); if( rc!=SQLITE_DONE ){ fatalError("%s\n", sqlite3_errmsg(g.db)); } return rc; } /* ** Read the entire content of a file into memory */ static char *readFile(const char *zFilename){ FILE *in = fopen(zFilename, "rb"); long sz; char *z; if( in==0 ){ fatalError("cannot open \"%s\" for reading", zFilename); } fseek(in, 0, SEEK_END); sz = ftell(in); rewind(in); z = sqlite3_malloc( sz+1 ); sz = (long)fread(z, 1, sz, in); z[sz] = 0; fclose(in); return z; } /* ** Return the length of the next token. */ static int tokenLength(const char *z, int *pnLine){ int n = 0; if( isspace(z[0]) || (z[0]=='/' && z[1]=='*') ){ int inC = 0; int c; if( z[0]=='/' ){ inC = 1; n = 2; } while( (c = z[n++])!=0 ){ if( c=='\n' ) (*pnLine)++; if( isspace(c) ) continue; if( inC && c=='*' && z[n]=='/' ){ n++; inC = 0; }else if( !inC && c=='/' && z[n]=='*' ){ n++; inC = 1; }else if( !inC ){ break; } } n--; }else if( z[0]=='-' && z[1]=='-' ){ for(n=2; z[n] && z[n]!='\n'; n++){} if( z[n] ){ (*pnLine)++; n++; } }else if( z[0]=='"' || z[0]=='\'' ){ int delim = z[0]; for(n=1; z[n]; n++){ if( z[n]=='\n' ) (*pnLine)++; if( z[n]==delim ){ n++; if( z[n+1]!=delim ) break; } } }else{ int c; for(n=1; (c = z[n])!=0 && !isspace(c) && c!='"' && c!='\'' && c!=';'; n++){} } return n; } /* ** Copy a single token into a string buffer. */ static int extractToken(const char *zIn, int nIn, char *zOut, int nOut){ int i; if( nIn<=0 ){ zOut[0] = 0; return 0; } for(i=0; i<nIn && i<nOut-1 && !isspace(zIn[i]); i++){ zOut[i] = zIn[i]; } zOut[i] = 0; return i; } /* ** Find the number of characters up to the next "--end" token. */ static int findEnd(const char *z, int *pnLine){ int n = 0; while( z[n] && (strncmp(z+n,"--end",5) || !isspace(z[n+5])) ){ n += tokenLength(z+n, pnLine); } return n; } /* ** Wait for a client process to complete all its tasks */ static void waitForClient(int iClient, int iTimeout, char *zErrPrefix){ sqlite3_stmt *pStmt; int rc; if( iClient>0 ){ pStmt = prepareSql( "SELECT 1 FROM task WHERE client=%d AND endtime IS NULL", iClient); }else{ pStmt = prepareSql( "SELECT 1 FROM task WHERE client=%d AND endtime IS NULL", iClient); } while( ((rc = sqlite3_step(pStmt))==SQLITE_BUSY || rc==SQLITE_ROW) && iTimeout>0 ){ sqlite3_reset(pStmt); sqlite3_sleep(50); iTimeout -= 50; } sqlite3_finalize(pStmt); if( rc!=SQLITE_DONE ){ if( zErrPrefix==0 ) zErrPrefix = ""; if( iClient>0 ){ errorMessage("%stimeout waiting for client %d", zErrPrefix, iClient); }else{ errorMessage("%stimeout waiting for all clients", zErrPrefix); } } } /* Maximum number of arguments to a --command */ #define MX_ARG 5 /* ** Run a script. */ static void runScript( int iClient, /* The client number, or 0 for the master */ int taskId, /* The task ID for clients. 0 for master */ char *zScript, /* Text of the script */ char *zFilename /* File from which script was read. */ ){ int lineno = 1; int prevLine = 1; int ii = 0; int iBegin = 0; int n, c, j; int rc; int len; int nArg; String sResult; char zCmd[30]; char zError[1000]; char azArg[MX_ARG][100]; unsigned char isRunning[100]; memset(isRunning, 0, sizeof(isRunning)); memset(&sResult, 0, sizeof(sResult)); stringReset(&sResult); while( (c = zScript[ii])!=0 ){ prevLine = lineno; len = tokenLength(zScript+ii, &lineno); if( isspace(c) || (c=='/' && zScript[ii+1]=='*') ){ ii += len; continue; } if( c!='-' || zScript[ii+1]!='-' || !isalpha(zScript[ii+2]) ){ ii += len; continue; } /* Run any prior SQL before processing the new --command */ if( ii>iBegin ){ char *zSql = sqlite3_mprintf("%.*s", ii-iBegin, zScript+iBegin); evalSql(&sResult, zSql); sqlite3_free(zSql); iBegin = ii + len; } /* Parse the --command */ if( g.iTrace>=2 ) logMessage("%.*s", len, zScript+ii); n = extractToken(zScript+ii+2, len-2, zCmd, sizeof(zCmd)); for(nArg=0; n<len-2 && nArg<MX_ARG; nArg++){ while( n<len-2 && isspace(zScript[ii+2+n]) ){ n++; } if( n>=len-2 ) break; n += extractToken(zScript+ii+2+n, len-2-n, azArg[nArg], sizeof(azArg[nArg])); } for(j=nArg; j<MX_ARG; j++) azArg[j++][0] = 0; /* ** --sleep N ** ** Pause for N milliseconds */ if( strcmp(zCmd, "sleep")==0 ){ sqlite3_sleep(atoi(azArg[0])); }else /* ** --exit N ** ** Exit this process. If N>0 then exit without shutting down ** SQLite. (In other words, simulate a crash.) */ if( strcmp(zCmd, "exit")==0 ){ int rc = atoi(azArg[0]); finishScript(taskId); if( rc==0 ) sqlite3_close(g.db); exit(rc); }else /* ** --result ** ** Reset accumulated results back to an empty string */ if( strcmp(zCmd, "reset")==0 ){ stringReset(&sResult); }else /* ** --match ANSWER... ** ** Check to see if output matches ANSWER. Report an error if not. */ if( strcmp(zCmd, "match")==0 ){ int jj; char *zAns = zScript+ii; for(jj=7; jj<len-1 && isspace(zAns[jj]); jj++){} zAns += jj; if( strncmp(sResult.z, zAns, len-jj-1) ){ errorMessage("line %d of %s:\nExpected [%.*s]\n Got [%s]", prevLine, zFilename, len-jj-1, zAns, sResult.z); } stringReset(&sResult); }else /* ** --source FILENAME ** ** Run a subscript from a separate file. */ if( strcmp(zCmd, "source")==0 ){ char *zNewFile = azArg[1]; char *zNewScript = readFile(zNewFile); if( g.iTrace ) logMessage("begin script [%s]\n", zNewFile); runScript(0, 0, zNewScript, zNewFile); sqlite3_free(zNewScript); if( g.iTrace ) logMessage("end script [%s]\n", zNewFile); }else /* ** --print MESSAGE.... ** ** Output the remainder of the line to the log file */ if( strcmp(zCmd, "print")==0 ){ int jj; for(jj=7; jj<len && isspace(zScript[ii+jj]); jj++){} logMessage("%.*s", len-jj, zScript+ii+jj); }else /* ** --start CLIENT ** ** Start up the given client. */ if( strcmp(zCmd, "start")==0 ){ int iNewClient = atoi(azArg[0]); char *zSys; if( iNewClient<1 || iNewClient>=sizeof(isRunning) ){ errorMessage("line %d of %s: bad client number: %d", prevLine, zFilename, iNewClient); goto start_error; } if( isRunning[iNewClient] ){ errorMessage("line %d of %s: client already running: %d", prevLine, zFilename, iNewClient); goto start_error; } zSys = sqlite3_mprintf( "%s \"%s\" --client %d --trace %d %s&", g.argv0, g.zDbFile, iNewClient, g.iTrace, g.bSqlTrace ? "--sqltrace " : ""); system(zSys); sqlite3_free(zSys); isRunning[iNewClient] = 1; start_error: {/* no-op */} }else /* ** --wait CLIENT TIMEOUT ** ** Wait until all tasks complete for the given client. If CLIENT is ** "all" then wait for all clients to complete. Wait no longer than ** TIMEOUT milliseconds (default 10,000) */ if( strcmp(zCmd, "wait")==0 ){ int iTimeout = nArg>=2 ? atoi(azArg[1]) : 10000; sqlite3_snprintf(sizeof(zError),zError,"line %d of %s\n", prevLine, zFilename); waitForClient(atoi(azArg[0]), iTimeout, zError); }else /* ** --task CLIENT ** <task-content-here> ** --end ** ** Assign work to a client. */ if( strcmp(zCmd, "task")==0 ){ int iTarget = atoi(azArg[0]); int iEnd; char *zTask; sqlite3_stmt *pStmt; iEnd = findEnd(zScript+ii+len, &lineno); if( iTarget<0 || iTarget>=sizeof(isRunning) || !isRunning[iTarget] ){ errorMessage("line %d of %s: client %d is not running", prevLine, zFilename, iTarget); goto task_error; } zTask = sqlite3_mprintf("%.*s", iEnd, zScript+ii+len); pStmt = prepareSql("INSERT INTO task(client,script)" " VALUES(%d,'%q')", iTarget, zTask); sqlite3_free(zTask); while( (rc = sqlite3_step(pStmt))==SQLITE_BUSY ){ sqlite3_reset(pStmt); sqlite3_sleep(10); } sqlite3_finalize(pStmt); task_error: iEnd += tokenLength(zScript+ii+len+iEnd, &lineno); len += iEnd; iBegin = ii+len; }else /* error */{ errorMessage("line %d of %s: unknown command --%s", prevLine, zFilename, zCmd); } ii += len; } if( iBegin<ii ){ char *zSql = sqlite3_mprintf("%.*s", ii-iBegin, zScript+iBegin); runSql(zSql); sqlite3_free(zSql); } stringFree(&sResult); } /* ** Look for a command-line option. If present, return a pointer. ** Return NULL if missing. ** ** hasArg==0 means the option is a flag. It is either present or not. ** hasArg==1 means the option has an argument. Return a pointer to the ** argument. */ static char *findOption( char **azArg, int *pnArg, const char *zOption, int hasArg ){ int i, j; char *zReturn = 0; int nArg = *pnArg; assert( hasArg==0 || hasArg==1 ); for(i=0; i<nArg; i++){ const char *z; if( i+hasArg >= nArg ) break; z = azArg[i]; if( z[0]!='-' ) continue; z++; if( z[0]=='-' ){ if( z[1]==0 ) break; z++; } if( strcmp(z,zOption)==0 ){ if( hasArg && i==nArg-1 ){ fatalError("command-line option \"--%s\" requires an argument", z); } if( hasArg ){ zReturn = azArg[i+1]; }else{ zReturn = azArg[i]; } j = i+1+(hasArg!=0); while( j<nArg ) azArg[i++] = azArg[j++]; *pnArg = i; return zReturn; } } return zReturn; } /* Print a usage message for the program and exit */ static void usage(const char *argv0){ int i; const char *zTail = argv0; for(i=0; argv0[i]; i++){ if( argv0[i]=='/' ) zTail = argv0+i+1; } fprintf(stderr,"Usage: %s DATABASE ?OPTIONS? ?SCRIPT?\n", zTail); exit(1); } /* Report on unrecognized arguments */ static void unrecognizedArguments( const char *argv0, int nArg, char **azArg ){ int i; fprintf(stderr,"%s: unrecognized arguments:", argv0); for(i=0; i<nArg; i++){ fprintf(stderr," %s", azArg[i]); } fprintf(stderr,"\n"); exit(1); } int main(int argc, char **argv){ const char *zClient; int iClient; int n; int openFlags = SQLITE_OPEN_READWRITE; int rc; char *zScript; int taskId; const char *zTrace; g.argv0 = argv[0]; g.iTrace = 1; if( argc<2 ) usage(argv[0]); g.zDbFile = argv[1]; n = argc-2; sqlite3_snprintf(sizeof(g.zName), g.zName, "mptest"); g.zVfs = findOption(argv+2, &n, "vfs", 1); zClient = findOption(argv+2, &n, "client", 1); g.zErrLog = findOption(argv+2, &n, "errlog", 1); g.zLog = findOption(argv+2, &n, "log", 1); zTrace = findOption(argv+2, &n, "trace", 1); if( zTrace ) g.iTrace = atoi(zTrace); if( findOption(argv+2, &n, "quiet", 0)!=0 ) g.iTrace = 0; g.bSqlTrace = findOption(argv+2, &n, "sqltrace", 0)!=0; if( g.zErrLog ){ g.pErrLog = fopen(g.zErrLog, "a"); }else{ g.pErrLog = stderr; } if( g.zLog ){ g.pLog = fopen(g.zLog, "a"); }else{ g.pLog = stdout; } if( zClient ){ iClient = atoi(zClient); if( iClient<1 ) fatalError("illegal client number: %d\n", iClient); sqlite3_snprintf(sizeof(g.zName), g.zName, "client%02d", iClient); }else{ iClient = 0; unlink(g.zDbFile); openFlags |= SQLITE_OPEN_CREATE; } rc = sqlite3_open_v2(g.zDbFile, &g.db, openFlags, g.zVfs); if( rc ) fatalError("cannot open [%s]", g.zDbFile); if( g.bSqlTrace ) sqlite3_trace(g.db, sqlTraceCallback, 0); if( iClient>0 ){ if( n>0 ) unrecognizedArguments(argv[0], n, argv+2); if( g.iTrace ) logMessage("start-client"); while(1){ char zTaskName[50]; rc = startScript(iClient, &zScript, &taskId); if( rc==SQLITE_DONE ) break; if( g.iTrace ) logMessage("begin task %d", taskId); sqlite3_snprintf(sizeof(zTaskName), zTaskName, "client%02d-task-%d", iClient, taskId); runScript(iClient, taskId, zScript, zTaskName); if( g.iTrace ) logMessage("end task %d", taskId); finishScript(taskId); sqlite3_sleep(10); } if( g.iTrace ) logMessage("end-client"); }else{ sqlite3_stmt *pStmt; if( n==0 ){ fatalError("missing script filename"); } if( n>1 ) unrecognizedArguments(argv[0], n, argv+2); runSql( "CREATE TABLE task(\n" " id INTEGER PRIMARY KEY,\n" " client INTEGER,\n" " starttime DATE,\n" " endtime DATE,\n" " script TEXT\n" ");" "CREATE TABLE clienterror(cnt);\n" "INSERT INTO clienterror VALUES(0);\n" ); zScript = readFile(argv[2]); if( g.iTrace ) logMessage("begin script [%s]\n", argv[2]); runScript(0, 0, zScript, argv[2]); sqlite3_free(zScript); if( g.iTrace ) logMessage("end script [%s]\n", argv[2]); waitForClient(0, 2000, "during shutdown...\n"); while( trySql("CREATE TABLE halt(x);")==SQLITE_BUSY ){ sqlite3_sleep(10); } sqlite3_sleep(100); pStmt = prepareSql("SELECT cnt FROM clienterror"); while( (rc = sqlite3_step(pStmt))==SQLITE_BUSY ){ sqlite3_sleep(10); } if( rc==SQLITE_ROW ){ g.nError += sqlite3_column_int(pStmt, 0); } sqlite3_finalize(pStmt); } sqlite3_close(g.db); maybeClose(g.pLog); maybeClose(g.pErrLog); if( iClient==0 ){ if( g.nError ){ printf("ERRORS: %d\n", g.nError); }else if( g.iTrace ){ printf("All OK\n"); } } return g.nError>0; } |