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added the sharing of DNS cache

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This commit is contained in:
Jean-Philippe Barette-LaPierre
2003-02-04 23:48:46 +00:00
parent fa47138327
commit beb13a1d3e
9 changed files with 121 additions and 22 deletions
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49
lib/share.c
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@@ -65,12 +65,53 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
/* this is a type this share will share */
type = va_arg(param, int);
share->specifier |= (1<<type);
switch( type )
{
case CURL_LOCK_DATA_DNS:
if (!share->hostcache) {
share->hostcache = Curl_hash_alloc(7, Curl_freednsinfo);
}
break;
case CURL_LOCK_DATA_COOKIE:
break;
case CURL_LOCK_DATA_SSL_SESSION:
break;
case CURL_LOCK_DATA_CONNECT:
break;
default:
return CURLSHE_BAD_OPTION;
}
break;
case CURLSHOPT_UNSHARE:
/* this is a type this share will no longer share */
type = va_arg(param, int);
share->specifier &= ~(1<<type);
switch( type )
{
case CURL_LOCK_DATA_DNS:
if (share->hostcache) {
Curl_hash_destroy(share->hostcache);
share->hostcache = NULL;
}
break;
case CURL_LOCK_DATA_COOKIE:
break;
case CURL_LOCK_DATA_SSL_SESSION:
break;
case CURL_LOCK_DATA_CONNECT:
break;
default:
return CURLSHE_BAD_OPTION;
}
break;
case CURLSHOPT_LOCKFUNC:
@@ -108,7 +149,7 @@ CURLSHcode curl_share_cleanup(CURLSH *sh)
CURLSHcode
Curl_share_acquire_lock(struct SessionHandle *data, curl_lock_data type)
Curl_share_lock(struct SessionHandle *data, curl_lock_data type, curl_lock_access access)
{
struct Curl_share *share = data->share;
@@ -116,8 +157,7 @@ Curl_share_acquire_lock(struct SessionHandle *data, curl_lock_data type)
return CURLSHE_INVALID;
if(share->specifier & (1<<type)) {
share->lockfunc (data, type, CURL_LOCK_ACCESS_SINGLE, share->clientdata);
share->locked |= (1<<type);
share->lockfunc (data, type, access, share->clientdata);
}
/* else if we don't share this, pretend successful lock */
@@ -125,7 +165,7 @@ Curl_share_acquire_lock(struct SessionHandle *data, curl_lock_data type)
}
CURLSHcode
Curl_share_release_lock(struct SessionHandle *data, curl_lock_data type)
Curl_share_unlock(struct SessionHandle *data, curl_lock_data type)
{
struct Curl_share *share = data->share;
@@ -134,7 +174,6 @@ Curl_share_release_lock(struct SessionHandle *data, curl_lock_data type)
if(share->specifier & (1<<type)) {
share->unlockfunc (data, type, share->clientdata);
share->locked &= ~(1<<type);
}
return CURLSHE_OK;