void
hcache_writefile(HCACHEFILE *file)
{
FILE *f;
HCACHEDATA *c;
int header_count = 0;
int maxage;
if( !file || !file->dirty || !file->cachefilename )
return;
file_mkdir(file->cachefilename);
if( ! (f = fopen( file->cachefilename, "wb" ) ) )
return;
maxage = cache_maxage();
/* print out the version */
fprintf( f, "@%s@\n", CACHE_FILE_VERSION );
for( c = file->hcachelist; c; c = c->next ) {
LISTITEM *l;
if( maxage == 0 )
c->age = 0;
else if( c->age > maxage )
continue;
write_string( f, c->boundname );
write_int( f, (int)c->time );
write_int( f, c->age );
#ifdef OPT_BUILTIN_MD5CACHE_EXT
write_md5sum( f, c->rulemd5sum );
#endif
write_int( f, list_length( c->includes ) );
for( l = list_first(c->includes); l; l = list_next( l ) ) {
write_string( f, list_value(l) );
}
write_int( f, list_length( c->hdrscan ) );
for( l = list_first(c->hdrscan); l; l = list_next( l ) ) {
write_string( f, list_value(l) );
}
fputc( '!', f );
fputc( '\n', f );
++header_count;
}
if( DEBUG_HEADER )
printf( "hcache written to %s. %d dependencies, %.0f%% hit rate\n",
file->cachefilename, header_count,
queries ? 100.0 * hits / queries : 0 );
fclose( f );
}
static void checksums_writefile() {
CHECKSUMDATA *c;
FILE *f;
int maxage;
if ( !checksumsdirty ) {
return;
}
maxage = cache_maxage();
f = NULL;
for( c = checksumdatalist; c; c = c->next ) {
if ( c->mtime == 0 || ismd5empty( (unsigned char*)&c->contentmd5sum ) ) {
continue;
}
if ( maxage == 0 ) {
c->age = 0;
} else if ( c->age > maxage ) {
continue;
}
if ( !f ) {
file_mkdir( checksums_filename() );
if ( !( f = fopen( checksums_filename(), "wb" ) ) )
return;
/* print out the version */
fprintf( f, "@%s@\n", CHECKSUM_FILE_VERSION );
}
write_string( f, c->boundname );
write_int( f, c->age );
write_int( f, (int)c->mtime );
write_md5sum( f, c->contentmd5sum );
fputc( '!', f );
fputc( '\n', f );
}
if ( f ) {
fclose( f );
}
}
void filecache_update(TARGET *t)
{
MD5SUM blobmd5sum;
int haveblobmd5sum = 0;
const char *cachedname;
const char *blobname;
int cacheerror;
if (!t->filecache_generate)
return;
/* If the buildmd5sum is empty, then the file doesn't exist. */
cacheerror = ismd5empty(t->buildmd5sum);
if (cacheerror)
return;
haveblobmd5sum = 0;
cachedname = filecache_getfilename(t, t->buildmd5sum, NULL);
if (!cachedname)
return;
/* Search for the appropriate .link file that matches the target. */
haveblobmd5sum = filecache_findlink(cachedname, blobmd5sum);
/* If we weren't able to determine the target md5sum, do it now. */
if (!haveblobmd5sum)
{
#ifdef OPT_BUILTIN_LUA_SUPPORT_EXT
LIST *md5callback;
pushsettings( t->settings );
md5callback = var_get( "MD5CALLBACK" );
popsettings( t->settings );
if ( md5callback )
{
luahelper_md5callback(t->boundname, blobmd5sum, md5callback->string);
}
else
{
#endif
md5file(t->boundname, blobmd5sum);
#ifdef OPT_BUILTIN_LUA_SUPPORT_EXT
}
#endif
memcpy(t->contentmd5sum, blobmd5sum, sizeof(MD5SUM));
if (ismd5empty(t->contentmd5sum))
return;
}
{
/* Is the blob already there? */
time_t blobtime;
blobname = filecache_getfilename(t, blobmd5sum, ".blob");
if (file_time(blobname, &blobtime) == -1)
{
time_t blobpartialtime;
const char *blobpartialname;
if(DEBUG_MD5HASH)
printf("Caching %s as %s\n", t->name, cachedname);
else
printf("Caching %s\n", t->name);
/* Write the new .blob to the cache. */
blobpartialname = filecache_getfilename(t, blobmd5sum, ".blob.partial");
if (file_time(blobpartialname, &blobpartialtime) == -1)
{
if (copyfile(blobpartialname, t->boundname, &blobmd5sum) == 0 ||
rename(blobpartialname, blobname) != 0)
{
printf("** Unable to write %s to cache.\n", t->name, cachedname);
filecache_disable(t);
return;
}
}
}
}
/* Write the new .link file to the cache. */
{
FILE *file;
BUFFER linknamebuff;
buffer_init(&linknamebuff);
buffer_addstring(&linknamebuff, cachedname, strlen(cachedname));
buffer_addchar(&linknamebuff, '-');
buffer_addstring(&linknamebuff, md5tostring(blobmd5sum), 32);
buffer_addstring(&linknamebuff, ".link", 5);
buffer_addchar(&linknamebuff, 0);
file_mkdir(buffer_ptr(&linknamebuff));
file = fopen(buffer_ptr(&linknamebuff), "wb");
if (file)
{
write_md5sum(file, blobmd5sum);
write_string(file, t->name);
fclose(file);
}
buffer_free(&linknamebuff);
}
}
void filecache_update(TARGET *t, MD5SUM buildmd5sum)
{
MD5SUM blobmd5sum;
int haveblobmd5sum = 0;
const char *cachedname;
const char *blobname;
int cacheerror;
if (!t->filecache_generate)
return;
/* If the buildmd5sum is empty, then the file doesn't exist. */
cacheerror = ismd5empty(buildmd5sum);
if (cacheerror)
return;
haveblobmd5sum = 0;
cachedname = filecache_getfilename(t, buildmd5sum, NULL);
if (!cachedname)
return;
/* Search for the appropriate .link file that matches the target. */
haveblobmd5sum = filecache_findlink(cachedname, blobmd5sum);
/* If we weren't able to determine the target md5sum, do it now. */
if (!haveblobmd5sum)
{
getcachedmd5sum( t, 1 );
memcpy(blobmd5sum, t->contentchecksum->contentmd5sum, MD5_SUMSIZE);
if (ismd5empty(t->contentchecksum->contentmd5sum))
return;
}
{
/* Is the blob already there? */
time_t blobtime;
blobname = filecache_getfilename(t, blobmd5sum, ".blob");
if (file_time(blobname, &blobtime) == -1)
{
time_t blobpartialtime;
const char *blobpartialname;
if(DEBUG_MD5HASH)
printf("Caching %s as %s\n", t->name, cachedname);
else
printf("Caching %s\n", t->name);
/* Write the new .blob to the cache. */
blobpartialname = filecache_getfilename(t, blobmd5sum, ".blob.partial");
if (file_time(blobpartialname, &blobpartialtime) == -1)
{
if (copyfile(blobpartialname, t->boundname, &blobmd5sum) == 0 ||
rename(blobpartialname, blobname) != 0)
{
printf("** Unable to write %s to cache.\n", t->name);
filecache_disable(t);
return;
}
}
}
}
/* Write the new .link file to the cache. */
{
FILE *file;
BUFFER linknamebuff;
buffer_init(&linknamebuff);
buffer_addstring(&linknamebuff, cachedname, strlen(cachedname));
buffer_addchar(&linknamebuff, '-');
buffer_addstring(&linknamebuff, md5tostring(blobmd5sum), 32);
buffer_addstring(&linknamebuff, ".link", 5);
buffer_addchar(&linknamebuff, 0);
file_mkdir(buffer_ptr(&linknamebuff));
file = fopen(buffer_ptr(&linknamebuff), "wb");
if (file)
{
write_md5sum(file, blobmd5sum);
write_string(file, t->name);
fclose(file);
}
buffer_free(&linknamebuff);
}
}
