//???????ͷŵ?callback
static int free_callback(void* param)
{
int loop;
struct mod_conf_param* data = (struct mod_conf_param*) param;
if(data)
{
for(loop=0; loop<data->count; loop++)
{
if(data->acp[loop])
{
if(data->acp[loop]->hdr)
{
if(strLen(data->acp[loop]->hdr->header))
stringClean(&data->acp[loop]->hdr->header);
if(strLen(data->acp[loop]->hdr->value))
stringClean(&data->acp[loop]->hdr->value);
memPoolFree(header_info_pool, data->acp[loop]->hdr);
data->acp[loop]->hdr = NULL;
}
memPoolFree(action_part_pool, data->acp[loop]);
data->acp[loop] = NULL;
}
}
memPoolFree(mod_config_pool, data);
data = NULL;
}
return 0;
}
static void
pconnDelete(struct _pconn *p)
{
debug(48, 3) ("pconnDelete: deleting %s\n", hashKeyStr(&p->hash));
hash_remove_link(table, (hash_link *) p);
if (p->nfds_alloc == PCONN_FDS_SZ)
memPoolFree(pconn_fds_pool, p->fds);
else
xfree(p->fds);
xfree(p->hash.key);
memPoolFree(pconn_data_pool, p);
}
static StoreEntry *
lru_purgeNext(RemovalPurgeWalker * walker)
{
LruPurgeData *lru_walker = walker->_data;
RemovalPolicy *policy = walker->_policy;
LruPolicyData *lru = policy->_data;
LruNode *lru_node;
StoreEntry *entry;
try_again:
lru_node = lru_walker->current;
if (!lru_node || walker->scanned >= walker->max_scan)
return NULL;
walker->scanned += 1;
lru_walker->current = (LruNode *) lru_node->node.next;
if (lru_walker->current == lru_walker->start) {
/* Last node found */
lru_walker->current = NULL;
}
entry = (StoreEntry *) lru_node->node.data;
dlinkDelete(&lru_node->node, &lru->list);
if (storeEntryLocked(entry)) {
/* Shit, it is locked. we can't return this one */
walker->locked++;
dlinkAddTail(entry, &lru_node->node, &lru->list);
goto try_again;
}
memPoolFree(lru_node_pool, lru_node);
lru->count -= 1;
SET_POLICY_NODE(entry, NULL);
return entry;
}
void
aioStat(char *path, struct stat *sb, AIOCB * callback, void *callback_data)
{
aio_ctrl_t *ctrlp;
assert(initialised);
aio_counts.stat++;
ctrlp = memPoolAlloc(aio_ctrl_pool);
ctrlp->fd = -2;
ctrlp->done_handler = callback;
ctrlp->done_handler_data = callback_data;
ctrlp->operation = _AIO_STAT;
cbdataLock(callback_data);
if (aio_stat(path, sb, &ctrlp->result) < 0) {
if (errno == ENOMEM || errno == EAGAIN || errno == EINVAL)
errno = EWOULDBLOCK;
if (callback)
(callback) (ctrlp->fd, callback_data, -1, errno);
cbdataUnlock(callback_data);
memPoolFree(aio_ctrl_pool, ctrlp);
return;
}
ctrlp->next = used_list;
used_list = ctrlp;
return;
} /* aioStat */
void
aioUnlink(const char *pathname, AIOCB * callback, void *callback_data)
{
aio_ctrl_t *ctrlp;
char *path;
assert(initialised);
aio_counts.unlink++;
ctrlp = memPoolAlloc(aio_ctrl_pool);
ctrlp->fd = -2;
ctrlp->done_handler = callback;
ctrlp->done_handler_data = callback_data;
ctrlp->operation = _AIO_UNLINK;
path = xstrdup(pathname);
cbdataLock(callback_data);
if (aio_unlink(path, &ctrlp->result) < 0) {
int ret = unlink(path);
(callback) (ctrlp->fd, callback_data, ret, errno);
cbdataUnlock(callback_data);
memPoolFree(aio_ctrl_pool, ctrlp);
xfree(path);
return;
}
ctrlp->next = used_list;
used_list = ctrlp;
xfree(path);
} /* aioUnlink */
/* delete the digest reuqest structure. Does NOT delete related structures */
static void
authDigestRequestDelete(digest_request_h * digest_request)
{
if (digest_request->nonceb64)
xfree(digest_request->nonceb64);
if (digest_request->cnonce)
xfree(digest_request->cnonce);
if (digest_request->realm)
xfree(digest_request->realm);
if (digest_request->pszPass)
xfree(digest_request->pszPass);
if (digest_request->algorithm)
xfree(digest_request->algorithm);
if (digest_request->pszMethod)
xfree(digest_request->pszMethod);
if (digest_request->qop)
xfree(digest_request->qop);
if (digest_request->uri)
xfree(digest_request->uri);
if (digest_request->response)
xfree(digest_request->response);
if (digest_request->nonce)
authDigestNonceUnlink(digest_request->nonce);
memPoolFree(digest_request_pool, digest_request);
}
void
aioOpen(const char *path, int oflag, mode_t mode, AIOCB * callback, void *callback_data)
{
aio_ctrl_t *ctrlp;
int ret;
assert(initialised);
aio_counts.open++;
ctrlp = memPoolAlloc(aio_ctrl_pool);
ctrlp->fd = -2;
ctrlp->done_handler = callback;
ctrlp->done_handler_data = callback_data;
ctrlp->operation = _AIO_OPEN;
cbdataLock(callback_data);
if (aio_open(path, oflag, mode, &ctrlp->result) < 0) {
ret = open(path, oflag, mode);
if (callback)
(callback) (ctrlp->fd, callback_data, ret, errno);
cbdataUnlock(callback_data);
memPoolFree(aio_ctrl_pool, ctrlp);
return;
}
ctrlp->next = used_list;
used_list = ctrlp;
return;
}
static void
authenticateAuthUserRequestFree(auth_user_request_t * auth_user_request)
{
dlink_node *link;
debug(29, 5) ("authenticateAuthUserRequestFree: freeing request %p\n", auth_user_request);
if (!auth_user_request)
return;
assert(auth_user_request->references == 0);
if (auth_user_request->auth_user) {
if (auth_user_request->scheme_data != NULL) {
/* we MUST know the module */
assert((auth_user_request->auth_user->auth_module > 0));
/* and the module MUST support requestFree if it has created scheme data */
assert(authscheme_list[auth_user_request->auth_user->auth_module - 1].requestFree != NULL);
authscheme_list[auth_user_request->auth_user->auth_module - 1].requestFree(auth_user_request);
}
/* unlink from the auth_user struct */
link = auth_user_request->auth_user->requests.head;
while (link && (link->data != auth_user_request))
link = link->next;
assert(link != NULL);
dlinkDelete(link, &auth_user_request->auth_user->requests);
dlinkNodeDelete(link);
/* unlock the request structure's lock */
authenticateAuthUserUnlock(auth_user_request->auth_user);
auth_user_request->auth_user = NULL;
} else
assert(auth_user_request->scheme_data == NULL);
if (auth_user_request->message)
xfree(auth_user_request->message);
memPoolFree(auth_user_request_pool, auth_user_request);
}
void chunkedBufferFree(ChunkedBuffer *buffer)
{
//Properly dispose data chunks
chunkedBufferSetLength(buffer, 0);
//Release multi-part buffer
memPoolFree(buffer);
}
cbdataUnlock(const void *p)
#endif
{
cbdata *c;
FREE *free_func;
if (p == NULL)
return;
c = (cbdata *) (((char *) p) - OFFSET_OF(cbdata, data));
assert(c->y == c);
debug(45, 3) ("cbdataUnlock: %p\n", p);
assert(c != NULL);
assert(c->locks > 0);
c->locks--;
#if CBDATA_DEBUG
c->file = file;
c->line = line;
#endif
if (c->valid || c->locks)
return;
cbdataCount--;
debug(45, 3) ("cbdataUnlock: Freeing %p\n", p);
free_func = cbdata_index[c->type].free_func;
if (free_func)
free_func((void *) p);
memPoolFree(cbdata_index[c->type].pool, c);
}
static int free_callback(void* data)
{
mod_config *cfg = (mod_config*) data;
if(cfg){
memPoolFree(mod_config_pool,cfg);
cfg = NULL;
}
return 0;
}
static int free_callback(void* param)
{
struct mod_conf_param* data = (struct mod_conf_param*) param;
if (data) {
memPoolFree(mod_config_pool, data);
}
data = NULL;
return 0;
}
static int free_timeout(void* data)
{
int *timeout = (int *)data;
if(NULL != timeout)
{
memPoolFree(timeout_pool, timeout);
timeout = NULL;
}
return 0;
}
void
squidaio_xfree(void *p, int size)
{
MemPool *pool;
if ((pool = squidaio_get_pool(size)) != NULL) {
memPoolFree(pool, p);
} else
xfree(p);
}
static int free_error_page_private_data(void* data)
{
error_page_private_data* pd = (error_page_private_data*) data;
if(NULL != pd)
{
memPoolFree(error_page_private_data_pool, pd);
pd = NULL;
}
return 0;
}
static void
authenticateNegotiateFreeUser(auth_user_t * auth_user)
{
negotiate_user_t *negotiate_user = auth_user->scheme_data;
debug(29, 5) ("authenticateNegotiateFreeUser: Clearing Negotiate scheme data\n");
safe_free(negotiate_user->username);
memPoolFree(negotiate_user_pool, negotiate_user);
auth_user->scheme_data = NULL;
}
static void
squidaio_xstrfree(char *str)
{
MemPool *pool;
int len = strlen(str) + 1;
if ((pool = squidaio_get_pool(len)) != NULL) {
memPoolFree(pool, str);
} else
xfree(str);
}
static int free_data(void *data)
{
MemBuf * mb = (MemBuf*)data;
if(NULL != mb && NULL != mb->buf)
{
memFreeBuf(mb->capacity, mb->buf);
memPoolFree(text_mb_pool, mb);
mb = NULL;
}
return 0;
}
static int free_request_param(void* data)
{
request_param *req_param = (request_param *) data;
if(req_param != NULL){
close(req_param->m3u8_fd);
memBufClean(&(req_param->prevBuf));
memPoolFree(request_param_pool, req_param);
req_param = NULL;
}
return 0;
}
void
authenticateBasicFreeUser(auth_user_t * auth_user)
{
basic_data *basic_auth = auth_user->scheme_data;
debug(29, 5) ("authenticateBasicFreeUser: Clearing Basic scheme data\n");
if (basic_auth->username)
xfree(basic_auth->username);
if (basic_auth->passwd)
xfree(basic_auth->passwd);
memPoolFree(basic_data_pool, auth_user->scheme_data);
auth_user->scheme_data = NULL;
}
static int free_mod_config(void *data)
{
mod_config* cfg = (mod_config*)data;
if(cfg)
{
if(NULL != cfg->customized_error_text.buf)
memBufClean(&cfg->customized_error_text);
memPoolFree(mod_config_pool, cfg);
cfg = NULL;
}
return 0;
}
static int
cleanup_registered_deferfunc_when_shutdown(cc_module * module)
{
debug(147, 1)("(mod_helper_defer) -> hook_cleanup:\n");
is_defer_func * temp_node = NULL;
while(NULL != is_defer_accept_req_funcs_list)
{
temp_node = is_defer_accept_req_funcs_list->next;
memPoolFree(is_defer_func_pool, is_defer_accept_req_funcs_list);
is_defer_accept_req_funcs_list = temp_node;
}
while(NULL != is_defer_read_req_funcs_list)
{
temp_node = is_defer_read_req_funcs_list->next;
memPoolFree(is_defer_func_pool, is_defer_read_req_funcs_list);
is_defer_read_req_funcs_list = temp_node;
}
return 0;
}
/*
* Clean up references from the SIO before it gets released.
* The actuall SIO is managed by cbdata so we do not need
* to bother with that.
*/
static void
storeAufsIOFreeEntry(void *siop)
{
storeIOState *sio = (storeIOState *) siop;
squidaiostate_t *aiostate = (squidaiostate_t *) sio->fsstate;
struct _queued_write *qw;
struct _queued_read *qr;
while ((qw = linklistShift(&aiostate->pending_writes))) {
if (qw->free_func)
qw->free_func(qw->buf);
memPoolFree(aufs_qwrite_pool, qw);
}
while ((qr = linklistShift(&aiostate->pending_reads))) {
cbdataUnlock(qr->callback_data);
memPoolFree(aufs_qread_pool, qr);
}
if (sio->read.callback_data)
cbdataUnlock(sio->read.callback_data);
if (sio->callback_data)
cbdataUnlock(sio->callback_data);
memPoolFree(squidaio_state_pool, aiostate);
}
static int
storeAufsKickWriteQueue(storeIOState * sio)
{
squidaiostate_t *aiostate = (squidaiostate_t *) sio->fsstate;
struct _queued_write *q = linklistShift(&aiostate->pending_writes);
if (NULL == q)
return 0;
debug(79, 3) ("storeAufsKickWriteQueue: writing queued chunk of %ld bytes\n",
(long int) q->size);
storeAufsWrite(INDEXSD(sio->swap_dirn), sio, q->buf, q->size, q->offset, q->free_func);
memPoolFree(aufs_qwrite_pool, q);
return 1;
}
static void
authenticateDigestNonceDelete(digest_nonce_h * nonce)
{
if (nonce) {
assert(nonce->references == 0);
#if UNREACHABLECODE
if (nonce->flags.incache)
hash_remove_link(digest_nonce_cache, &nonce->hash);
#endif
assert(nonce->flags.incache == 0);
safe_free(nonce->hash.key);
memPoolFree(digest_nonce_pool, nonce);
}
}
static int free_callback(void* param)
{
struct mod_conf_param* data = (struct mod_conf_param*) param;
if(data)
{
if(strLen(data->orig_name))
stringClean(&data->orig_name);
if(strLen(data->new_name))
stringClean(&data->new_name);
memPoolFree(mod_config_pool, data);
data = NULL;
}
return 0;
}
static int
storeAufsKickZCopyQueue(storeIOState * sio)
{
squidaiostate_t *aiostate = (squidaiostate_t *) sio->fsstate;
struct _queued_zcopy *q = linklistShift(&(aiostate->pending_zcopies));
if (NULL == q)
return 0;
debug(79, 3) ("storeAufsKickReadQueue: zcopying queued request of %ld bytes\n",(long int) q->size);
if (cbdataValid(q->callback_data))
storeAufsZCopy(INDEXSD(sio->swap_dirn), sio, q->zc_target_fd, q->size, q->offset, q->callback, q->callback_data);
cbdataUnlock(q->callback_data);
memPoolFree(aufs_qzcopy_pool, q);
return 1;
}
int
aioCheckCallbacks(SwapDir * SD)
{
squidaio_result_t *resultp;
squidaio_ctrl_t *ctrlp;
AIOCB *done_handler;
void *their_data;
int retval = 0;
assert(initialised);
squidaio_counts.check_callback++;
for (;;) {
if ((resultp = squidaio_poll_done()) == NULL)
break;
ctrlp = (squidaio_ctrl_t *) resultp->data;
if (ctrlp == NULL)
continue; /* XXX Should not happen */
dlinkDelete(&ctrlp->node, &used_list);
if ((done_handler = ctrlp->done_handler)) {
their_data = ctrlp->done_handler_data;
ctrlp->done_handler = NULL;
ctrlp->done_handler_data = NULL;
if (cbdataValid(their_data)) {
retval = 1; /* Return that we've actually done some work */
done_handler(ctrlp->fd, their_data, ctrlp->bufp,
ctrlp->result.aio_return, ctrlp->result.aio_errno);
} else {
if (ctrlp->operation == _AIO_OPEN) {
/* The open operation was aborted.. */
int fd = ctrlp->result.aio_return;
if (fd >= 0)
aioClose(fd);
}
}
cbdataUnlock(their_data);
}
/* free data if requested to aioWrite() */
if (ctrlp->free_func)
ctrlp->free_func(ctrlp->bufp);
/* free temporary read buffer */
if (ctrlp->operation == _AIO_READ)
squidaio_xfree(ctrlp->bufp, ctrlp->len);
if (ctrlp->operation == _AIO_CLOSE)
aioFDWasClosed(ctrlp->fd);
memPoolFree(squidaio_ctrl_pool, ctrlp);
}
return retval;
}
static void
authenticateAuthUserRequestUnlinkIp(const struct in_addr ipaddr)
{
auth_user_request_ip_hash_t *hash_entry;
if (!auth_user_request_ip_hash)
return;
hash_entry = hash_lookup(auth_user_request_ip_hash, &ipaddr);
if (hash_entry)
{
hash_remove_link(auth_user_request_ip_hash, &hash_entry->hash);
authenticateAuthUserRequestUnlock(hash_entry->auth_user_request);
memPoolFree(auth_user_request_ip_pool, hash_entry);
}
}
void
aioWrite(int fd, int offset, char *bufp, int len, AIOCB * callback, void *callback_data, FREE * free_func)
{
aio_ctrl_t *ctrlp;
int seekmode;
assert(initialised);
aio_counts.write++;
for (ctrlp = used_list; ctrlp != NULL; ctrlp = ctrlp->next)
if (ctrlp->fd == fd)
break;
if (ctrlp != NULL) {
debug(32, 2) ("aioWrite: EWOULDBLOCK\n");
errno = EWOULDBLOCK;
if (callback)
(callback) (fd, callback_data, -1, errno);
free_func(bufp);
return;
}
ctrlp = memPoolAlloc(aio_ctrl_pool);
ctrlp->fd = fd;
ctrlp->done_handler = callback;
ctrlp->done_handler_data = callback_data;
ctrlp->operation = _AIO_WRITE;
if (offset >= 0)
seekmode = SEEK_SET;
else {
seekmode = SEEK_END;
offset = 0;
}
cbdataLock(callback_data);
if (aio_write(fd, bufp, len, offset, seekmode, &ctrlp->result) < 0) {
if (errno == ENOMEM || errno == EAGAIN || errno == EINVAL)
errno = EWOULDBLOCK;
if (callback)
(callback) (fd, callback_data, -1, errno);
cbdataUnlock(callback_data);
memPoolFree(aio_ctrl_pool, ctrlp);
} else {
ctrlp->next = used_list;
used_list = ctrlp;
}
/*
* aio_write copies the buffer so we can free it here
*/
free_func(bufp);
} /* aioWrite */