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Added experimental code

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This commit is contained in:
Michiel Broek 2004-05-03 19:11:04 +00:00
parent a75e042d85
commit d0d981875a
1 changed files with 103 additions and 56 deletions
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159
lib/dbfdb.c
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@ -35,6 +35,109 @@
#ifdef USE_EXPERIMEMT
int fdbislocked 0; /* Should database be locked */
long current-area -1; /* Current file area */
/*
* Open files database Area number, with path. Do some checks and abort
* if they fail.
*/
FILE *mbsedb_OpenFDB(long Area, char *Path, int ulTimeout)
{
char *temp;
FILE *fp;
int rc, Tries;
temp = calloc(PATH_MAX, sizeof(char));
sprintf(temp, "%s/fdb/file%d.data", getenv("MBSE_ROOT"), Area);
/*
* Open the file database, if it's locked, just wait.
*/
while (((fp = fopen(temp, "r+")) == NULL) && ((errno == EACCES) || (errno == EAGAIN))) {
if (++Tries >= (ulTimeout * 4)) {
WriteError("Can't open file area %ld, timeout", Area);
free(temp);
return NULL;
}
msleep(250);
Syslog('f', "Open file area %ld, try %d", Area, Tries);
}
if (fp == NULL) {
WriteError("$Can't open %s", temp);
free(temp);
return NULL;
}
fread(&fdbhdr, sizeof(fdbhdr), 1, fp);
/*
* Fix attributes if needed
*/
chmod(temp, 0660);
/*
* Now check the download directory
*/
if (access(Path, W_OK) == -1) {
sprintf(temp, "%s/foobar", Path);
if (mkdirs(temp, 0755))
Syslog('+', "Created directory %s", Path);
}
free(temp);
if ((fdbhdr.hdrsize != sizeof(fdbhdr)) || (fdbhdr.recsize != sizeof(fdb))) {
WriteError("Files database header in area %d is corrupt (%d:%d)", Area, fdbhdr.hdrsize, fdbhdr.recsize);
fclose(fp);
return NULL;
}
fseek(fp, 0, SEEK_END);
if ((ftell(fp) - fdbhdr.hdrsize) % fdbhdr.recsize) {
WriteError("Files database area %ld is corrupt, unalligned records", Area);
fclose(fp);
return NULL;
}
/*
* Point to the first record
*/
fseek(fp, hdbhdr.hdrsize, SEEK_SET);
fdbislocked = 0;
return fp;
}
/*
* Close current open file area
*/
int mbsedb_CloseFDB(FILE *fp)
{
if (current-area == -1) {
WriteError("Can't close already closed file area");
return FALSE;
}
if (fdbislocked) {
/*
* Unlock first
*/
}
current-area = -1;
fclose(fp);
}
// mbsedb_LockFDB
// mbsedb_UnlockFDB
// mbsedb_SearchFileFDB
// mbsedb_UpdateFileFDB
// mbsedb_InsertFileFDB
// mbsedb_DeleteFileFDB
// mbsedb_SortFDB
/*
* Add file to the BBS. The file must in the current directory which may not be
@ -223,60 +326,4 @@ int AddFile(struct FILE_record f_db, int Area, char *DestPath, char *FromPath, c
/*
* Check files database, create if it doesn't exist.
*/
int mbsedb_CheckFDB(int Area, char *Path)
{
char *temp;
FILE *fp;
int rc = FALSE;
temp = calloc(PATH_MAX, sizeof(char));
sprintf(temp, "%s/fdb/file%d.data", getenv("MBSE_ROOT"), Area);
/*
* Open the file database, create new one if it doesn't excist.
*/
if ((fp = fopen(temp, "r+")) == NULL) {
Syslog('!', "Creating new %s", temp);
if ((fp = fopen(temp, "a+")) == NULL) {
WriteError("$Can't create %s", temp);
rc = TRUE;
} else {
fdbhdr.hdrsize = sizeof(fdbhdr);
fdbhdr.recsize = sizeof(fdb);
fwrite(&fdbhdr, sizeof(fdbhdr), 1, fp);
fclose(fp);
}
} else {
fread(&fdbhdr, sizeof(fdbhdr), 1, fp);
fclose(fp);
}
/*
* Set the right attributes
*/
chmod(temp, 0660);
/*
* Now check the download directory
*/
if (access(Path, W_OK) == -1) {
sprintf(temp, "%s/foobar", Path);
if (mkdirs(temp, 0755))
Syslog('+', "Created directory %s", Path);
}
free(temp);
if ((fdbhdr.hdrsize != sizeof(fdbhdr)) || (fdbhdr.recsize != sizeof(fdb))) {
WriteError("Files database header in area %d is corrupt", Area);
rc = TRUE;
}
return rc;
}
#endif