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rpcrt4: Try reconnecting when to server in IRpcSend on broken connection. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2018-10-16 14:38:49 +02:00 committed by Alexandre Julliard
parent 3b4f3ff397
commit 3099fda254
5 changed files with 40 additions and 19 deletions
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12
dlls/rpcrt4/rpc_assoc.c
View File

@ -391,14 +391,18 @@ static RpcConnection *RpcAssoc_GetIdleConnection(RpcAssoc *assoc,
RPC_STATUS RpcAssoc_GetClientConnection(RpcAssoc *assoc,
const RPC_SYNTAX_IDENTIFIER *InterfaceId,
const RPC_SYNTAX_IDENTIFIER *TransferSyntax, RpcAuthInfo *AuthInfo,
RpcQualityOfService *QOS, LPCWSTR CookieAuth, RpcConnection **Connection)
RpcQualityOfService *QOS, LPCWSTR CookieAuth,
RpcConnection **Connection, BOOL *from_cache)
{
RpcConnection *NewConnection;
RPC_STATUS status;
*Connection = RpcAssoc_GetIdleConnection(assoc, InterfaceId, TransferSyntax, AuthInfo, QOS);
if (*Connection)
if (*Connection) {
TRACE("return idle connection %p for association %p\n", *Connection, assoc);
if (from_cache) *from_cache = TRUE;
return RPC_S_OK;
}
/* create a new connection */
status = RPCRT4_CreateConnection(&NewConnection, FALSE /* is this a server connection? */,
@ -424,8 +428,10 @@ RPC_STATUS RpcAssoc_GetClientConnection(RpcAssoc *assoc,
}
InterlockedIncrement(&assoc->connection_cnt);
*Connection = NewConnection;
TRACE("return new connection %p for association %p\n", *Connection, assoc);
*Connection = NewConnection;
if (from_cache) *from_cache = FALSE;
return RPC_S_OK;
}

2
dlls/rpcrt4/rpc_assoc.h
View File

@ -50,7 +50,7 @@ typedef struct _RpcAssoc
RPC_STATUS RPCRT4_GetAssociation(LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint, LPCWSTR NetworkOptions, RpcAssoc **assoc) DECLSPEC_HIDDEN;
RPC_STATUS RpcAssoc_GetClientConnection(RpcAssoc *assoc, const RPC_SYNTAX_IDENTIFIER *InterfaceId,
const RPC_SYNTAX_IDENTIFIER *TransferSyntax, RpcAuthInfo *AuthInfo, RpcQualityOfService *QOS,
LPCWSTR CookieAuth, RpcConnection **Connection) DECLSPEC_HIDDEN;
LPCWSTR CookieAuth, RpcConnection **Connection, BOOL *from_cache) DECLSPEC_HIDDEN;
void RpcAssoc_ReleaseIdleConnection(RpcAssoc *assoc, RpcConnection *Connection) DECLSPEC_HIDDEN;
ULONG RpcAssoc_Release(RpcAssoc *assoc) DECLSPEC_HIDDEN;
RPC_STATUS RpcServerAssoc_GetAssociation(LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint, LPCWSTR NetworkOptions, ULONG assoc_gid, RpcAssoc **assoc_out) DECLSPEC_HIDDEN;

4
dlls/rpcrt4/rpc_binding.c
View File

@ -272,13 +272,13 @@ RPC_STATUS RPCRT4_ReleaseBinding(RpcBinding* Binding)
RPC_STATUS RPCRT4_OpenBinding(RpcBinding* Binding, RpcConnection** Connection,
const RPC_SYNTAX_IDENTIFIER *TransferSyntax,
const RPC_SYNTAX_IDENTIFIER *InterfaceId)
const RPC_SYNTAX_IDENTIFIER *InterfaceId, BOOL *from_cache)
{
TRACE("(Binding == ^%p)\n", Binding);
if (!Binding->server) {
return RpcAssoc_GetClientConnection(Binding->Assoc, InterfaceId,
TransferSyntax, Binding->AuthInfo, Binding->QOS, Binding->CookieAuth, Connection);
TransferSyntax, Binding->AuthInfo, Binding->QOS, Binding->CookieAuth, Connection, from_cache);
} else {
/* we already have a connection with acceptable binding, so use it */
if (Binding->FromConn) {

3
dlls/rpcrt4/rpc_binding.h
View File

@ -174,7 +174,8 @@ RPC_STATUS RPCRT4_MakeBinding(RpcBinding** Binding, RpcConnection* Connection) D
void RPCRT4_AddRefBinding(RpcBinding* Binding) DECLSPEC_HIDDEN;
RPC_STATUS RPCRT4_ReleaseBinding(RpcBinding* Binding) DECLSPEC_HIDDEN;
RPC_STATUS RPCRT4_OpenBinding(RpcBinding* Binding, RpcConnection** Connection,
const RPC_SYNTAX_IDENTIFIER *TransferSyntax, const RPC_SYNTAX_IDENTIFIER *InterfaceId) DECLSPEC_HIDDEN;
const RPC_SYNTAX_IDENTIFIER *TransferSyntax, const RPC_SYNTAX_IDENTIFIER *InterfaceId,
BOOL *from_cache) DECLSPEC_HIDDEN;
RPC_STATUS RPCRT4_CloseBinding(RpcBinding* Binding, RpcConnection* Connection) DECLSPEC_HIDDEN;
void rpcrt4_conn_release_and_wait(RpcConnection *connection) DECLSPEC_HIDDEN;

38
dlls/rpcrt4/rpc_message.c
View File

@ -38,6 +38,7 @@
#include "rpc_binding.h"
#include "rpc_defs.h"
#include "rpc_message.h"
#include "rpc_assoc.h"
#include "ncastatus.h"
WINE_DEFAULT_DEBUG_CHANNEL(rpc);
@ -1598,7 +1599,7 @@ RPC_STATUS WINAPI I_RpcNegotiateTransferSyntax(PRPC_MESSAGE pMsg)
}
status = RPCRT4_OpenBinding(bind, &conn, &cif->TransferSyntax,
&cif->InterfaceId);
&cif->InterfaceId, NULL);
if (status == RPC_S_OK)
{
@ -1789,26 +1790,39 @@ static DWORD WINAPI async_notifier_proc(LPVOID p)
RPC_STATUS WINAPI I_RpcSend(PRPC_MESSAGE pMsg)
{
RpcBinding* bind = pMsg->Handle;
RPC_CLIENT_INTERFACE *cif;
RpcConnection* conn;
RPC_STATUS status;
RpcPktHdr *hdr;
BOOL from_cache = TRUE;
TRACE("(%p)\n", pMsg);
if (!bind || bind->server || !pMsg->ReservedForRuntime) return RPC_S_INVALID_BINDING;
conn = pMsg->ReservedForRuntime;
for (;;)
{
conn = pMsg->ReservedForRuntime;
hdr = RPCRT4_BuildRequestHeader(pMsg->DataRepresentation,
pMsg->BufferLength,
pMsg->ProcNum & ~RPC_FLAGS_VALID_BIT,
&bind->ObjectUuid);
if (!hdr)
return ERROR_OUTOFMEMORY;
hdr = RPCRT4_BuildRequestHeader(pMsg->DataRepresentation,
pMsg->BufferLength,
pMsg->ProcNum & ~RPC_FLAGS_VALID_BIT,
&bind->ObjectUuid);
if (!hdr)
return ERROR_OUTOFMEMORY;
hdr->common.call_id = conn->NextCallId++;
hdr->common.call_id = conn->NextCallId++;
status = RPCRT4_Send(conn, hdr, pMsg->Buffer, pMsg->BufferLength);
RPCRT4_FreeHeader(hdr);
if (status == RPC_S_OK || conn->server || !from_cache)
break;
status = RPCRT4_Send(conn, hdr, pMsg->Buffer, pMsg->BufferLength);
RPCRT4_FreeHeader(hdr);
WARN("Send failed, trying to reconnect\n");
cif = pMsg->RpcInterfaceInformation;
RPCRT4_ReleaseConnection(conn);
pMsg->ReservedForRuntime = NULL;
status = RPCRT4_OpenBinding(bind, &conn, &cif->TransferSyntax, &cif->InterfaceId, &from_cache);
if (status != RPC_S_OK) break;
pMsg->ReservedForRuntime = conn;
}
if (status == RPC_S_OK && pMsg->RpcFlags & RPC_BUFFER_ASYNC)
{