Free Hero Mesh

Check-in [19b4240efe]
Login
Home Timeline Files Branches Tags Tickets Wiki Sitemap
This is a mirror of the main repository for Free Hero Mesh. New tickets and changes will not be accepted at this mirror.
Overview
Comment:Implement flush_usercache() (completely untested so far, though).
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 19b4240efe67dea6a6fe4d53b958ff128ae1f3f3
User & Date: user on 2018-06-16 03:26:32
Other Links: manifest | tags
Context
2018-06-22
07:17
Add exec.c (moving some things from main.c); add definitions for exec.c in heromesh.h; also add a macro tracing option. check-in: 9ffad27cd3 user: user tags: trunk
2018-06-16
03:26
Implement flush_usercache() (completely untested so far, though). check-in: 19b4240efe user: user tags: trunk
2018-06-15
21:06
Add the MESSAGES virtual table check-in: ee25076d50 user: user tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified function.c from [ad9b86d7bd] to [aa26680e3f].

︙
28
29
30
31
32
33
34



















35
36
37
38
39
40
41

28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60








+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+








static void fn_modstate(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  sqlite3_result_int(cxt,SDL_GetModState());
}

static void fn_picture_size(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  sqlite3_result_int(cxt,picture_size);
}

static void fn_read_lump_at(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  sqlite3_int64 of=sqlite3_value_int64(argv[0]);
  FILE*fp=sqlite3_value_pointer(argv[1],"http://zzo38computer.org/fossil/heromesh.ui#FILE_ptr");
  long sz;
  Uint8*buf;
  if(!fp) return;
  rewind(fp);
  fseek(fp,of-4,SEEK_SET);
  sz=fgetc(fp)<<16; sz|=fgetc(fp)<<24; sz|=fgetc(fp); sz|=fgetc(fp)<<8;
  if(sz>0) {
    buf=malloc(sz);
    if(!buf) fatal("Allocation failed\n");
    if(fread(buf,1,sz,fp)<=0) fatal("I/O error in READ_LUMP_AT() function\n");
    sqlite3_result_blob64(cxt,buf,sz,free);
  } else {
    sqlite3_result_zeroblob64(cxt,0);
  }
}

static void fn_resource(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  int i;
  if(argc>14 || argc<1) {
    sqlite3_result_error(cxt,"Invalid number of XRM resource components",-1);
  } else {
    for(i=0;i<argc;i++) optionquery[i+1]=xrm_make_quark(sqlite3_value_text(argv[i])?:(const unsigned char*)"?",0)?:xrm_anyq;
︙
184
185
186
187
188
189
190

191
192
193
194
195

203
204
205
206
207
208
209
210
211
212
213
214
215








+






);

void init_sql_functions(sqlite3_int64*ptr0,sqlite3_int64*ptr1) {
  sqlite3_create_function(userdb,"BASENAME",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_basename,0,0);
  sqlite3_create_function(userdb,"LEVEL_CACHEID",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,ptr0,fn_cacheid,0,0);
  sqlite3_create_function(userdb,"MODSTATE",0,SQLITE_UTF8,0,fn_modstate,0,0);
  sqlite3_create_function(userdb,"PICTURE_SIZE",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_picture_size,0,0);
  sqlite3_create_function(userdb,"READ_LUMP_AT",2,SQLITE_UTF8,0,fn_read_lump_at,0,0);
  sqlite3_create_function(userdb,"RESOURCE",-1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_resource,0,0);
  sqlite3_create_function(userdb,"SIGN_EXTEND",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_sign_extend,0,0);
  sqlite3_create_function(userdb,"SOLUTION_CACHEID",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,ptr1,fn_cacheid,0,0);
  sqlite3_create_module(userdb,"MESSAGES",&vt_messages,"CREATE TABLE `MESSAGES`(`ID` INTEGER PRIMARY KEY, `NAME` TEXT, `TRACE` INT);");
}

Modified main.c from [73e39a2b6c] to [f367a2dcad].

︙
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

46
47
48
49
50
51
52


53
54

















55
56
57
58
59
60
61








-
-


-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-








Uint8 message_trace[0x4100/8];

static const char*globalclassname;
static SDL_Cursor*cursor[77];
static FILE*levelfp;
static FILE*solutionfp;
static sqlite3_int64 leveluc,solutionuc;
static FILE*hamarc_fp;
static long hamarc_pos;
static sqlite3_stmt*readusercachest;

static void hamarc_begin(FILE*fp,const char*name) {
  while(*name) fputc(*name++,fp);
  fwrite("\0\0\0\0",1,5,hamarc_fp=fp);
  hamarc_pos=ftell(fp);
}

static long hamarc_end(void) {
  long end=ftell(hamarc_fp);
  long len=end-hamarc_pos;
  fseek(hamarc_fp,hamarc_pos-4,SEEK_SET);
  fputc(len>>16,hamarc_fp);
  fputc(len>>24,hamarc_fp);
  fputc(len>>0,hamarc_fp);
  fputc(len>>8,hamarc_fp);
  fseek(hamarc_fp,end,SEEK_SET);
}

static sqlite3_int64 reset_usercache(FILE*fp,const char*nam,struct stat*stats,const char*suffix) {
  sqlite3_stmt*st;
  sqlite3_int64 t,id;
  char buf[128];
  int i,z;
  if(z=sqlite3_prepare_v2(userdb,"DELETE FROM `USERCACHEDATA` WHERE `FILE` = (SELECT `ID` FROM `USERCACHEINDEX` WHERE `NAME` = ?1);",-1,&st,0)) {
    fatal("SQL error (%d): %s\n",z,sqlite3_errmsg(userdb));
︙
186
187
188
189
190
191
192
193
194
195
























































































196
197
198
199
200
201
202

167
168
169
170
171
172
173
174


175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269









-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+








  sqlite3_bind_int(st,2,lvl);
  sqlite3_bind_text(st,3,lvl==LUMP_CLASS_DEF?"CLASS.DEF":lvl==LUMP_LEVEL_IDX?"LEVEL.IDX":sol?".SOL":".LVL",-1,SQLITE_STATIC);
  sqlite3_bind_blob64(st,4,data,sz,0);
  while((e=sqlite3_step(st))==SQLITE_ROW);
  if(e!=SQLITE_DONE) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_finalize(st);
}

static void flush_usercache(void) {
  
static void flush_usercache_1(int sol) {
  sqlite3_int64 uc_id=sol?solutionuc:leveluc;
  FILE*fp=sol?solutionfp:levelfp;
  int fd=fileno(fp);
  sqlite3_stmt*st;
  sqlite3_int64 of,of2;
  sqlite3_int64*ofs;
  int e,i,j,c;
  if(fd<0) fatal("Unable to flush user cache. Expected file descriptor number; found %d\n",fd);
  if(e=sqlite3_prepare_v2(userdb,"SELECT `OFFSET`, `OFFSET`-LENGTH(`NAME`)-5 FROM `USERCACHEDATA` WHERE `FILE` = ?1 AND `DATA` NOT NULL ORDER BY `OFFSET` LIMIT 1;",-1,&st,0))
   fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_bind_int64(st,1,uc_id);
  e=sqlite3_step(st);
  if(e==SQLITE_ROW) {
    of=sqlite3_column_int64(st,0);
    of2=sqlite3_column_int64(st,1);
  } else if(e==SQLITE_DONE) {
    // There is nothing to do; nothing has been changed.
    sqlite3_finalize(st);
    return;
  } else {
    fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  }
  sqlite3_finalize(st);
  if(e=sqlite3_prepare_v2(userdb,"UPDATE `USERCACHEDATA` SET `DATA` = READ_LUMP_AT(`OFFSET`,?2) WHERE `FILE` = ?1 AND `OFFSET` > ?3 AND `DATA` IS NULL;",-1,&st,0))
   fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_bind_int64(st,1,uc_id);
  sqlite3_bind_pointer(st,2,fp,"http://zzo38computer.org/fossil/heromesh.ui#FILE_ptr",0);
  sqlite3_bind_int64(st,3,of);
  while((e=sqlite3_step(st))==SQLITE_ROW);
  if(e!=SQLITE_DONE) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_finalize(st);
  if(e=sqlite3_prepare_v2(userdb,"SELECT COUNT() FROM `USERCACHEDATA` WHERE `FILE` = ?1 AND `DATA` NOT NULL;",-1,&st,0)) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_bind_int64(st,1,uc_id);
  if((e=sqlite3_step(st))!=SQLITE_ROW) fatal("SQL error (%d): %s\n",e,e==SQLITE_DONE?"Expected a result row; got nothing":sqlite3_errmsg(userdb));
  ofs=malloc((c=sqlite3_column_int(st,0)<<1)*sizeof(sqlite3_int64));
  sqlite3_finalize(st);
  if(c<=0) fatal("Unexpected error: COUNT() returned zero or negative even though there used to be some data\n");
  if(!ofs) fatal("Allocation failed\n");
  if(e=sqlite3_prepare_v2(userdb,"SELECT `ID`, `NAME`, `DATA` FROM `USERCACHEDATA` WHERE `FILE` = ?1 AND `DATA` NOT NULL ORDER BY `ID`;",-1,&st,0))
   fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_bind_int64(st,1,uc_id);
  rewind(fp);
  fseek(fp,of2,SEEK_SET);
  i=0;
  while((e=sqlite3_step(st))==SQLITE_ROW) {
    ofs[i++]=sqlite3_column_int64(st,0);
    if(sqlite3_column_type(st,1)!=SQLITE_TEXT || sqlite3_column_type(st,2)!=SQLITE_BLOB) fatal("Corrupted user cache database (NAME and DATA columns have wrong types)\n");
    fwrite(sqlite3_column_text(st,1),1,sqlite3_column_bytes(st,1)+1,fp);
    j=sqlite3_column_bytes(st,2);
    fputc(j>>16,fp); fputc(j>>24,fp); fputc(j,fp); fputc(j>>8,fp);
    ofs[i++]=ftell(fp);
    fwrite(sqlite3_column_blob(st,2),1,j,fp);
  }
  if(e!=SQLITE_DONE) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  if(ftruncate(fd,ftell(fp))) fatal("I/O error: %m\n");
  sqlite3_finalize(st);
  if(e=sqlite3_prepare_v2(userdb,"UPDATE `USERCACHEDATA` SET `OFFSET` = ?2 WHERE `ID` = ?1;",-1,&st,0)) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  i=0;
  while(i<c) {
    sqlite3_reset(st);
    sqlite3_bind_int64(st,1,ofs[i++]);
    sqlite3_bind_int64(st,2,ofs[i++]);
    while((e=sqlite3_step(st))==SQLITE_ROW);
    if(e!=SQLITE_DONE) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  }
  sqlite3_finalize(st);
  free(ofs);
  if(e=sqlite3_prepare_v2(userdb,"UPDATE `USERCACHEDATA` SET `DATA` = NULL WHERE `FILE` = ?1;",-1,&st,0)) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_bind_int64(st,1,uc_id);
  while((e=sqlite3_step(st))==SQLITE_ROW);
  if(e!=SQLITE_DONE) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_finalize(st);
  if(e=sqlite3_prepare_v2(userdb,"UPDATE `USERCACHEINDEX` SET `TIME` = STRFTIME('%s')+1 WHERE `ID` = ?1;",-1,&st,0)) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_bind_int64(st,1,uc_id);
  while((e=sqlite3_step(st))==SQLITE_ROW);
  if(e!=SQLITE_DONE) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  sqlite3_finalize(st);
}

static void flush_usercache(void) {
  int e;
  fprintf(stderr,"Flushing user cache...\n");
  if(e=sqlite3_exec(userdb,"BEGIN;",0,0,0)) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  flush_usercache_1(FIL_LEVEL);
  flush_usercache_1(FIL_SOLUTION);
  if(e=sqlite3_exec(userdb,"COMMIT;",0,0,0)) fatal("SQL error (%d): %s\n",e,sqlite3_errmsg(userdb));
  fprintf(stderr,"Done\n");
}

static void init_usercache(void) {
  sqlite3_stmt*st;
  int z;
  sqlite3_int64 t1,t2;
  char*nam1;
︙

This page was generated in about 0.017s by Fossil version [8be0372c10] 2024-04-23 13:25:26