{
struct clock now, retryTime;
+ MUTEX_ASSERT(&call->lock);
clock_GetTime(&now);
retryTime = now;
static_inline void
rxi_rto_cancel(struct rx_call *call)
{
+ MUTEX_ASSERT(&call->lock);
if (rxevent_Cancel(&call->resendEvent))
CALL_RELE(call, RX_CALL_REFCOUNT_RESEND);
}
{
struct clock now, when;
+ MUTEX_ASSERT(&call->lock);
clock_GetTime(&now);
when = now;
clock_Add(&when, offset);
void
rxi_CancelDelayedAckEvent(struct rx_call *call)
{
+ MUTEX_ASSERT(&call->lock);
/* Only drop the ref if we cancelled it before it could run. */
if (rxevent_Cancel(&call->delayedAckEvent))
CALL_RELE(call, RX_CALL_REFCOUNT_DELAY);
if ((conn->type == RX_CLIENT_CONNECTION)
&& (conn->flags & (RX_CONN_MAKECALL_WAITING|RX_CONN_MAKECALL_ACTIVE))) {
conn->flags |= RX_CONN_DESTROY_ME;
+ MUTEX_EXIT(&rx_refcnt_mutex);
MUTEX_EXIT(&conn->conn_data_lock);
USERPRI;
return;
for (conn = *conn_ptr; conn; conn = next) {
next = conn->next;
if (conn->type == RX_CLIENT_CONNECTION) {
- MUTEX_ENTER(&rx_refcnt_mutex);
- conn->refCount++;
- MUTEX_EXIT(&rx_refcnt_mutex);
+ rx_GetConnection(conn);
#ifdef RX_ENABLE_LOCKS
rxi_DestroyConnectionNoLock(conn);
#else /* RX_ENABLE_LOCKS */
*/
MUTEX_ENTER(&conn->conn_data_lock);
if (conn->flags & RX_CONN_DESTROY_ME && !(conn->flags & RX_CONN_MAKECALL_WAITING)) {
- MUTEX_ENTER(&rx_refcnt_mutex);
- conn->refCount++;
- MUTEX_EXIT(&rx_refcnt_mutex);
+ rx_GetConnection(conn);
MUTEX_EXIT(&conn->conn_data_lock);
#ifdef RX_ENABLE_LOCKS
if (haveCTLock)
rx_atomic_inc(&rx_stats.nServerConns);
}
- MUTEX_ENTER(&rx_refcnt_mutex);
- conn->refCount++;
- MUTEX_EXIT(&rx_refcnt_mutex);
+ rx_GetConnection(conn);
rxLastConn = conn; /* store this connection as the last conn used */
MUTEX_EXIT(&rx_connHashTable_lock);
rxi_AbortIfServerBusy(osi_socket socket, struct rx_connection *conn,
struct rx_packet *np)
{
+ afs_uint32 serial;
+
if ((rx_BusyThreshold > 0) &&
(rx_atomic_read(&rx_nWaiting) > rx_BusyThreshold)) {
+ MUTEX_ENTER(&conn->conn_data_lock);
+ serial = ++conn->serial;
+ MUTEX_EXIT(&conn->conn_data_lock);
rxi_SendRawAbort(socket, conn->peer->host, conn->peer->port,
- rx_BusyError, np, 0);
+ serial, rx_BusyError, np, 0);
if (rx_stats_active)
rx_atomic_inc(&rx_stats.nBusies);
return 1;
don't abort an abort. */
if (!conn) {
if (unknownService && (np->header.type != RX_PACKET_TYPE_ABORT))
- rxi_SendRawAbort(socket, host, port, RX_INVALID_OPERATION,
+ rxi_SendRawAbort(socket, host, port, 0, RX_INVALID_OPERATION,
np, 0);
return np;
}
if (event != NULL)
MUTEX_ENTER(&conn->conn_data_lock);
+ else
+ MUTEX_ASSERT(&conn->conn_data_lock);
if (event != NULL && event == conn->checkReachEvent)
rxevent_Put(&conn->checkReachEvent);
rx_packetread(np, rx_AckDataSize(ap->nAcks) + (int)sizeof(afs_int32),
(int)sizeof(afs_int32), &tSize);
tSize = (afs_uint32) ntohl(tSize);
+ if (tSize > RX_MAX_PACKET_SIZE)
+ tSize = RX_MAX_PACKET_SIZE;
+ if (tSize < RX_MIN_PACKET_SIZE)
+ tSize = RX_MIN_PACKET_SIZE;
peer->natMTU = rxi_AdjustIfMTU(MIN(tSize, peer->ifMTU));
/* Get the maximum packet size to send to this peer */
rx_packetread(np, rx_AckDataSize(ap->nAcks), (int)sizeof(afs_int32),
&tSize);
tSize = (afs_uint32) ntohl(tSize);
+ if (tSize > RX_MAX_PACKET_SIZE)
+ tSize = RX_MAX_PACKET_SIZE;
+ if (tSize < RX_MIN_PACKET_SIZE)
+ tSize = RX_MIN_PACKET_SIZE;
tSize = (afs_uint32) MIN(tSize, rx_MyMaxSendSize);
tSize = rxi_AdjustMaxMTU(peer->natMTU, tSize);
rx_AckDataSize(ap->nAcks) + 2 * (int)sizeof(afs_int32),
(int)sizeof(afs_int32), &tSize);
tSize = (afs_uint32) ntohl(tSize); /* peer's receive window, if it's */
+ if (tSize == 0)
+ tSize = 1;
+ if (tSize >= rx_maxSendWindow)
+ tSize = rx_maxSendWindow;
if (tSize < call->twind) { /* smaller than our send */
call->twind = tSize; /* window, we must send less... */
call->ssthresh = MIN(call->twind, call->ssthresh);
rx_AckDataSize(ap->nAcks) + 2 * (int)sizeof(afs_int32),
sizeof(afs_int32), &tSize);
tSize = (afs_uint32) ntohl(tSize);
+ if (tSize == 0)
+ tSize = 1;
+ if (tSize >= rx_maxSendWindow)
+ tSize = rx_maxSendWindow;
/*
* As of AFS 3.5 we set the send window to match the receive window.
*/
rxi_SendConnectionAbortLater(struct rx_connection *conn, int msec)
{
struct clock when, now;
+
+ MUTEX_ASSERT(&conn->conn_data_lock);
if (!conn->error) {
return;
}
if (rx_IsClientConn(call->conn))
force = 1;
- if (call->abortCode != call->error) {
+ /*
+ * An opcode that has been deprecated or has yet to be implemented is not
+ * a misbehavior of the client. Do not punish the client by introducing
+ * delays.
+ */
+ if (call->error == RXGEN_OPCODE) {
+ force = 1;
+ } else if (call->abortCode != call->error) {
call->abortCode = call->error;
call->abortCount = 0;
}
|| call->abortCount < rxi_callAbortThreshhold) {
rxi_CancelDelayedAbortEvent(call);
error = htonl(call->error);
- call->abortCount++;
+ if (!force)
+ call->abortCount++;
packet =
rxi_SendSpecial(call, call->conn, packet, RX_PACKET_TYPE_ABORT,
(char *)&error, sizeof(error), istack);
static void
rxi_CancelDelayedAbortEvent(struct rx_call *call)
{
+ MUTEX_ASSERT(&call->lock);
if (rxevent_Cancel(&call->delayedAbortEvent))
CALL_RELE(call, RX_CALL_REFCOUNT_ABORT);
}
static void
rxi_ScheduleNatKeepAliveEvent(struct rx_connection *conn)
{
+ MUTEX_ASSERT(&conn->conn_data_lock);
if (!conn->natKeepAliveEvent && conn->secondsUntilNatPing) {
struct clock when, now;
clock_GetTime(&now);
if (rxi_CheckCall(call, 0)) {
MUTEX_EXIT(&call->lock);
+ CALL_RELE(call, RX_CALL_REFCOUNT_ALIVE);
return;
}
static void
rxi_ScheduleKeepAliveEvent(struct rx_call *call)
{
+ MUTEX_ASSERT(&call->lock);
if (!call->keepAliveEvent) {
struct clock when, now;
clock_GetTime(&now);
static void
rxi_CancelKeepAliveEvent(struct rx_call *call) {
+ MUTEX_ASSERT(&call->lock);
if (rxevent_Cancel(&call->keepAliveEvent))
CALL_RELE(call, RX_CALL_REFCOUNT_ALIVE);
}
static void
rxi_ScheduleGrowMTUEvent(struct rx_call *call, int secs)
{
+ MUTEX_ASSERT(&call->lock);
if (!call->growMTUEvent) {
struct clock when, now;
static void
rxi_CancelGrowMTUEvent(struct rx_call *call)
{
+ MUTEX_ASSERT(&call->lock);
if (rxevent_Cancel(&call->growMTUEvent))
CALL_RELE(call, RX_CALL_REFCOUNT_MTU);
}
git://git.openafs.org / openafs.git / blobdiff