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Implemented simple caching of client connections.

This commit is contained in:
Ove Kaaven 2003-04-19 20:06:42 +00:00 committed by Alexandre Julliard
parent 255ecc56ae
commit 8e38233736
3 changed files with 63 additions and 9 deletions
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68
dlls/rpcrt4/rpc_binding.c
View File

@ -40,6 +40,9 @@
WINE_DEFAULT_DEBUG_CHANNEL(ole);
static RpcConnection* conn_cache;
static CRITICAL_SECTION conn_cache_cs = CRITICAL_SECTION_INIT("conn_cache_cs");
LPSTR RPCRT4_strndupA(LPSTR src, INT slen)
{
DWORD len;
@ -93,7 +96,7 @@ void RPCRT4_strfree(LPSTR src)
if (src) HeapFree(GetProcessHeap(), 0, src);
}
RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPSTR Protseq, LPSTR NetworkAddr, LPSTR Endpoint, LPSTR NetworkOptions)
RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPSTR Protseq, LPSTR NetworkAddr, LPSTR Endpoint, LPSTR NetworkOptions, RpcBinding* Binding)
{
RpcConnection* NewConnection;
@ -102,6 +105,12 @@ RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPST
NewConnection->Protseq = RPCRT4_strdupA(Protseq);
NewConnection->NetworkAddr = RPCRT4_strdupA(NetworkAddr);
NewConnection->Endpoint = RPCRT4_strdupA(Endpoint);
NewConnection->Used = Binding;
EnterCriticalSection(&conn_cache_cs);
NewConnection->Next = conn_cache;
conn_cache = NewConnection;
LeaveCriticalSection(&conn_cache_cs);
TRACE("connection: %p\n", NewConnection);
*Connection = NewConnection;
@ -111,8 +120,18 @@ RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPST
RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection)
{
RpcConnection* PrevConnection;
TRACE("connection: %p\n", Connection);
if (Connection->Used) ERR("connection is still in use\n");
EnterCriticalSection(&conn_cache_cs);
PrevConnection = conn_cache;
while (PrevConnection && PrevConnection->Next != Connection)
PrevConnection = PrevConnection->Next;
if (PrevConnection) PrevConnection->Next = Connection->Next;
LeaveCriticalSection(&conn_cache_cs);
RPCRT4_CloseConnection(Connection);
RPCRT4_strfree(Connection->Endpoint);
RPCRT4_strfree(Connection->NetworkAddr);
@ -121,6 +140,44 @@ RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection)
return RPC_S_OK;
}
RPC_STATUS RPCRT4_GetConnection(RpcConnection** Connection, BOOL server, LPSTR Protseq, LPSTR NetworkAddr, LPSTR Endpoint, LPSTR NetworkOptions, RpcBinding* Binding)
{
RpcConnection* NewConnection;
if (!server) {
EnterCriticalSection(&conn_cache_cs);
for (NewConnection = conn_cache; NewConnection; NewConnection = NewConnection->Next) {
if (NewConnection->Used) continue;
if (NewConnection->server != server) continue;
if (Protseq && strcmp(NewConnection->Protseq, Protseq)) continue;
if (NetworkAddr && strcmp(NewConnection->NetworkAddr, NetworkAddr)) continue;
if (Endpoint && strcmp(NewConnection->Endpoint, Endpoint)) continue;
/* this connection fits the bill */
NewConnection->Used = Binding;
break;
}
LeaveCriticalSection(&conn_cache_cs);
if (NewConnection) {
TRACE("cached connection: %p\n", NewConnection);
*Connection = NewConnection;
return RPC_S_OK;
}
}
return RPCRT4_CreateConnection(Connection, server, Protseq, NetworkAddr, Endpoint, NetworkOptions, Binding);
}
RPC_STATUS RPCRT4_ReleaseConnection(RpcConnection* Connection)
{
TRACE("connection: %p\n", Connection);
Connection->Used = NULL;
if (!Connection->server) {
/* cache the open connection for reuse later */
/* FIXME: we should probably clean the cache someday */
return RPC_S_OK;
}
return RPCRT4_DestroyConnection(Connection);
}
RPC_STATUS RPCRT4_OpenConnection(RpcConnection* Connection)
{
TRACE("(Connection == ^%p)\n", Connection);
@ -264,7 +321,7 @@ RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* Old
{
RpcConnection* NewConnection;
RPC_STATUS err = RPCRT4_CreateConnection(&NewConnection, OldConnection->server, OldConnection->Protseq,
OldConnection->NetworkAddr, OldConnection->Endpoint, NULL);
OldConnection->NetworkAddr, OldConnection->Endpoint, NULL, NULL);
if (err == RPC_S_OK) {
/* because of the way named pipes work, we'll transfer the connected pipe
* to the child, then reopen the server binding to continue listening */
@ -418,9 +475,7 @@ RPC_STATUS RPCRT4_OpenBinding(RpcBinding* Binding, RpcConnection** Connection)
return RPC_S_OK;
}
/* FIXME: cache connections */
RPCRT4_CreateConnection(&NewConnection, Binding->server, Binding->Protseq, Binding->NetworkAddr, Binding->Endpoint, NULL);
NewConnection->Used = Binding;
RPCRT4_GetConnection(&NewConnection, Binding->server, Binding->Protseq, Binding->NetworkAddr, Binding->Endpoint, NULL, Binding);
*Connection = NewConnection;
return RPCRT4_OpenConnection(NewConnection);
}
@ -430,8 +485,7 @@ RPC_STATUS RPCRT4_CloseBinding(RpcBinding* Binding, RpcConnection* Connection)
TRACE("(Binding == ^%p)\n", Binding);
if (!Connection) return RPC_S_OK;
if (Binding->FromConn == Connection) return RPC_S_OK;
Connection->Used = NULL;
return RPCRT4_DestroyConnection(Connection);
return RPCRT4_ReleaseConnection(Connection);
}
/* utility functions for string composing and parsing */

2
dlls/rpcrt4/rpc_binding.h
View File

@ -60,7 +60,7 @@ void RPCRT4_strfree(LPSTR src);
#define RPCRT4_strdupA(x) RPCRT4_strndupA((x),-1)
#define RPCRT4_strdupW(x) RPCRT4_strndupW((x),-1)
RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPSTR Protseq, LPSTR NetworkAddr, LPSTR Endpoint, LPSTR NetworkOptions);
RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPSTR Protseq, LPSTR NetworkAddr, LPSTR Endpoint, LPSTR NetworkOptions, RpcBinding* Binding);
RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection);
RPC_STATUS RPCRT4_OpenConnection(RpcConnection* Connection);
RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection);

2
dlls/rpcrt4/rpc_server.c
View File

@ -433,7 +433,7 @@ static void RPCRT4_stop_listen(void)
static RPC_STATUS RPCRT4_use_protseq(RpcServerProtseq* ps)
{
RPCRT4_CreateConnection(&ps->conn, TRUE, ps->Protseq, NULL, ps->Endpoint, NULL);
RPCRT4_CreateConnection(&ps->conn, TRUE, ps->Protseq, NULL, ps->Endpoint, NULL, NULL);
EnterCriticalSection(&server_cs);
ps->Next = protseqs;