/* open for creating */
storeIOState *
storeAufsCreate(SwapDir * SD, StoreEntry * e, STFNCB * file_callback, STIOCB * callback, void *callback_data)
{
char *path;
storeIOState *sio;
sfileno filn;
sdirno dirn;
#if !ASYNC_CREATE
int fd;
#endif
/* Allocate a number */
dirn = SD->index;
filn = storeAufsDirMapBitAllocate(SD);
path = storeAufsDirFullPath(SD, filn, NULL);
debug(79, 3) ("storeAufsCreate: fileno %08X\n", filn);
/*
* we should detect some 'too many files open' condition and return
* NULL here.
*/
#ifdef MAGIC2
if (aioQueueSize() > MAGIC2)
return NULL;
#endif
#if !ASYNC_CREATE
fd = file_open(path, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
if (fd < 0) {
debug(79, 3) ("storeAufsCreate: got failure (%d)\n", errno);
return NULL;
}
#endif
CBDATA_INIT_TYPE_FREECB(storeIOState, storeAufsIOFreeEntry);
sio = cbdataAlloc(storeIOState);
sio->fsstate = memPoolAlloc(squidaio_state_pool);
((squidaiostate_t *) (sio->fsstate))->fd = -1;
((squidaiostate_t *) (sio->fsstate))->flags.opening = 1;
sio->swap_filen = filn;
sio->swap_dirn = dirn;
sio->mode = O_WRONLY | O_BINARY;
sio->callback = callback;
sio->callback_data = callback_data;
sio->e = (StoreEntry *) e;
cbdataLock(callback_data);
Opening_FD++;
statCounter.syscalls.disk.opens++;
#if ASYNC_CREATE
aioOpen(path, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644, storeAufsOpenDone, sio, INDEX_OF_SD(SD));
#else
storeAufsOpenDone(fd, sio, fd, 0);
#endif
/* now insert into the replacement policy */
storeAufsDirReplAdd(SD, e);
return sio;
}
/* open for reading */
storeIOState *
storeAufsOpen(SwapDir * SD, StoreEntry * e, STFNCB * file_callback,
STIOCB * callback, void *callback_data)
{
sfileno f = e->swap_filen;
char *path = storeAufsDirFullPath(SD, f, NULL);
storeIOState *sio;
#if !ASYNC_OPEN
int fd;
#endif
debug(79, 3) ("storeAufsOpen: fileno %08X\n", f);
/*
* we should detect some 'too many files open' condition and return
* NULL here.
*/
#ifdef MAGIC2
#ifndef CC_FRAMEWORK
if (aioQueueSize() > MAGIC2)
return NULL;
#endif
#endif
#if !ASYNC_OPEN
fd = file_open(path, O_RDONLY | O_BINARY | O_NOATIME);
if (fd < 0) {
debug(79, 3) ("storeAufsOpen: got failure (%d)\n", errno);
return NULL;
}
#endif
CBDATA_INIT_TYPE_FREECB(storeIOState, storeAufsIOFreeEntry);
sio = cbdataAlloc(storeIOState);
sio->fsstate = memPoolAlloc(squidaio_state_pool);
((squidaiostate_t *) (sio->fsstate))->fd = -1;
((squidaiostate_t *) (sio->fsstate))->flags.opening = 1;
sio->swap_filen = f;
sio->swap_dirn = SD->index;
sio->mode = O_RDONLY | O_BINARY;
sio->callback = callback;
sio->callback_data = callback_data;
sio->e = e;
cbdataLock(callback_data);
Opening_FD++;
statCounter.syscalls.disk.opens++;
#if ASYNC_OPEN
aioOpen(path, O_RDONLY | O_BINARY | O_NOATIME, 0644, storeAufsOpenDone, sio, INDEX_OF_SD(SD));
#else
storeAufsOpenDone(fd, sio, fd, 0);
#endif
return sio;
}
void cfgUpdate()
{
extern int frame;
if(frame % 5 != 0) return;
for(std::map<std::string, time_t>::iterator i = filenamesModified.begin(); i != filenamesModified.end(); i++)
{
int fd;
AioStat stat;
if(Succeeded != aioOpen(i->first.c_str(), AioRead, &fd, 0)) continue;
if(Succeeded != aioStat(fd, &stat)) continue;
if(Succeeded != aioClose(fd)) continue;
if(i->second < stat.modified)
{
cfgReadConfig(i->first.c_str());
filenamesModified[i->first] = stat.modified;
}
}
}
