#endif /* KERNEL */
char *htable, *ptable;
int tmp_status;
-
-#if defined(AFS_DJGPP_ENV) && !defined(DEBUG)
- __djgpp_set_quiet_socket(1);
-#endif
-
+
SPLVAR;
-
+
INIT_PTHREAD_LOCKS;
LOCK_RX_INIT;
if (rxinit_status == 0) {
if (afs_winsockInit() < 0)
return -1;
#endif
-
+
#ifndef KERNEL
/*
* Initialize anything necessary to provide a non-premptive threading
*/
rxi_InitializeThreadSupport();
#endif
-
+
/* Allocate and initialize a socket for client and perhaps server
* connections. */
-
+
rx_socket = rxi_GetHostUDPSocket(host, (u_short) port);
if (rx_socket == OSI_NULLSOCKET) {
UNLOCK_RX_INIT;
USERPRI;
}
+/* Wait for the transmit queue to no longer be busy.
+ * requires the call->lock to be held */
+static void rxi_WaitforTQBusy(struct rx_call *call) {
+ while (call->flags & RX_CALL_TQ_BUSY) {
+ call->flags |= RX_CALL_TQ_WAIT;
+ call->tqWaiters++;
+#ifdef RX_ENABLE_LOCKS
+ osirx_AssertMine(&call->lock, "rxi_WaitforTQ lock");
+ CV_WAIT(&call->cv_tq, &call->lock);
+#else /* RX_ENABLE_LOCKS */
+ osi_rxSleep(&call->tq);
+#endif /* RX_ENABLE_LOCKS */
+ call->tqWaiters--;
+ if (call->tqWaiters == 0) {
+ call->flags &= ~RX_CALL_TQ_WAIT;
+ }
+ }
+}
/* Start a new rx remote procedure call, on the specified connection.
* If wait is set to 1, wait for a free call channel; otherwise return
* 0. Maxtime gives the maximum number of seconds this call may take,
- * after rx_MakeCall returns. After this time interval, a call to any
+ * after rx_NewCall returns. After this time interval, a call to any
* of rx_SendData, rx_ReadData, etc. will fail with RX_CALL_TIMEOUT.
* For fine grain locking, we hold the conn_call_lock in order to
* to ensure that we don't get signalle after we found a call in an active
SPLVAR;
clock_NewTime();
- dpf(("rx_MakeCall(conn %x)\n", conn));
+ dpf(("rx_NewCall(conn %x)\n", conn));
NETPRI;
clock_GetTime(&queueTime);
#ifdef AFS_GLOBAL_RXLOCK_KERNEL
/* Now, if TQ wasn't cleared earlier, do it now. */
MUTEX_ENTER(&call->lock);
- while (call->flags & RX_CALL_TQ_BUSY) {
- call->flags |= RX_CALL_TQ_WAIT;
- call->tqWaiters++;
-#ifdef RX_ENABLE_LOCKS
- osirx_AssertMine(&call->lock, "rxi_Start lock4");
- CV_WAIT(&call->cv_tq, &call->lock);
-#else /* RX_ENABLE_LOCKS */
- osi_rxSleep(&call->tq);
-#endif /* RX_ENABLE_LOCKS */
- call->tqWaiters--;
- if (call->tqWaiters == 0) {
- call->flags &= ~RX_CALL_TQ_WAIT;
- }
- }
+ rxi_WaitforTQBusy(call);
if (call->flags & RX_CALL_TQ_CLEARME) {
rxi_ClearTransmitQueue(call, 0);
queue_Init(&call->tq);
MUTEX_EXIT(&call->lock);
#endif /* AFS_GLOBAL_RXLOCK_KERNEL */
+ dpf(("rx_NewCall(call %x)\n", call));
return call;
}
service name might be used for probing for
statistics) */
struct rx_service *
-rx_NewService(u_short port, u_short serviceId, char *serviceName,
- struct rx_securityClass **securityObjects, int nSecurityObjects,
- afs_int32(*serviceProc) (struct rx_call * acall))
+rx_NewServiceHost(afs_uint32 host, u_short port, u_short serviceId,
+ char *serviceName, struct rx_securityClass **securityObjects,
+ int nSecurityObjects,
+ afs_int32(*serviceProc) (struct rx_call * acall))
{
osi_socket socket = OSI_NULLSOCKET;
register struct rx_service *tservice;
for (i = 0; i < RX_MAX_SERVICES; i++) {
register struct rx_service *service = rx_services[i];
if (service) {
- if (port == service->servicePort) {
+ if (port == service->servicePort && host == service->serviceHost) {
if (service->serviceId == serviceId) {
/* The identical service has already been
* installed; if the caller was intending to
}
service = tservice;
service->socket = socket;
+ service->serviceHost = host;
service->servicePort = port;
service->serviceId = serviceId;
service->serviceName = serviceName;
return 0;
}
+struct rx_service *
+rx_NewService(u_short port, u_short serviceId, char *serviceName,
+ struct rx_securityClass **securityObjects, int nSecurityObjects,
+ afs_int32(*serviceProc) (struct rx_call * acall))
+{
+ return rx_NewServiceHost(htonl(INADDR_ANY), port, serviceId, serviceName, securityObjects, nSecurityObjects, serviceProc);
+}
+
/* Generic request processing loop. This routine should be called
* by the implementation dependent rx_ServerProc. If socketp is
* non-null, it will be set to the file descriptor that this thread
}
rxi_flushtrace();
+#ifdef AFS_NT40_ENV
+ afs_winsockCleanup();
+#endif
+
rxinit_status = 1;
UNLOCK_RX_INIT;
}
register struct rx_call *nxp; /* Next call pointer, for queue_Scan */
#endif /* AFS_GLOBAL_RXLOCK_KERNEL */
+ dpf(("rxi_NewCall(conn %x, channel %d)\n", conn, channel));
+
/* Grab an existing call structure, or allocate a new one.
* Existing call structures are assumed to have been left reset by
* rxi_FreeCall */
* structure hanging off a connection structure */
struct rx_peer *
rxi_FindPeer(register afs_uint32 host, register u_short port,
- struct rx_peer *origPeer, int create)
+ struct rx_peer *origPeer, int create)
{
register struct rx_peer *pp;
int hashIndex;
MUTEX_ENTER(&rx_peerHashTable_lock);
for (pp = rx_peerHashTable[hashIndex]; pp; pp = pp->next) {
if ((pp->host == host) && (pp->port == port))
- break;
+ break;
}
if (!pp) {
- if (create) {
- pp = rxi_AllocPeer(); /* This bzero's *pp */
- pp->host = host; /* set here or in InitPeerParams is zero */
+ if (create) {
+ pp = rxi_AllocPeer(); /* This bzero's *pp */
+ pp->host = host; /* set here or in InitPeerParams is zero */
pp->port = port;
MUTEX_INIT(&pp->peer_lock, "peer_lock", MUTEX_DEFAULT, 0);
queue_Init(&pp->congestionQueue);
packetType = (np->header.type > 0 && np->header.type < RX_N_PACKET_TYPES)
? rx_packetTypes[np->header.type - 1] : "*UNKNOWN*";
dpf(("R %d %s: %x.%d.%d.%d.%d.%d.%d flags %d, packet %x",
- np->header.serial, packetType, ntohl(host), htohs(port), np->header.serviceId,
+ np->header.serial, packetType, ntohl(host), ntohs(port), np->header.serviceId,
np->header.epoch, np->header.cid, np->header.callNumber,
np->header.seq, np->header.flags, np));
#endif
/* We need to send an ack of the packet is out of sequence,
* or if an ack was requested by the peer. */
- if (seq != prev + 1 || missing || (flags & RX_REQUEST_ACK)) {
+ if (seq != prev + 1 || missing) {
ackNeeded = RX_ACK_OUT_OF_SEQUENCE;
- }
+ } else if (flags & RX_REQUEST_ACK) {
+ ackNeeded = RX_ACK_REQUESTED;
+ }
/* Acknowledge the last packet for each call */
if (flags & RX_LAST_PACKET) {
if (serial
&& (tp->header.serial == serial || tp->firstSerial == serial))
rxi_ComputePeerNetStats(call, tp, ap, np);
+ if (!(tp->flags & RX_PKTFLAG_ACKED)) {
+ newAckCount++;
+ }
#ifdef AFS_GLOBAL_RXLOCK_KERNEL
/* XXX Hack. Because we have to release the global rx lock when sending
* packets (osi_NetSend) we drop all acks while we're traversing the tq
* set the ack bits in the packets and have rxi_Start remove the packets
* when it's done transmitting.
*/
- if (!(tp->flags & RX_PKTFLAG_ACKED)) {
- newAckCount++;
- }
if (call->flags & RX_CALL_TQ_BUSY) {
#ifdef RX_ENABLE_LOCKS
tp->flags |= RX_PKTFLAG_ACKED;
* be unable to accept packets of the size that prior AFS versions would
* send without asking. */
if (peer->maxMTU != tSize) {
+ if (peer->maxMTU > tSize) /* possible cong., maxMTU decreased */
+ peer->congestSeq++;
peer->maxMTU = tSize;
peer->MTU = MIN(tSize, peer->MTU);
call->MTU = MIN(call->MTU, tSize);
- peer->congestSeq++;
}
if (np->length == rx_AckDataSize(ap->nAcks) + 3 * sizeof(afs_int32)) {
sizeof(afs_int32), &tSize);
maxDgramPackets = (afs_uint32) ntohl(tSize);
maxDgramPackets = MIN(maxDgramPackets, rxi_nDgramPackets);
- maxDgramPackets =
- MIN(maxDgramPackets, (int)(peer->ifDgramPackets));
- maxDgramPackets = MIN(maxDgramPackets, tSize);
+ maxDgramPackets = MIN(maxDgramPackets, peer->ifDgramPackets);
+ if (peer->natMTU < peer->ifMTU)
+ maxDgramPackets = MIN(maxDgramPackets, rxi_AdjustDgramPackets(1, peer->natMTU));
if (maxDgramPackets > 1) {
peer->maxDgramPackets = maxDgramPackets;
call->MTU = RX_JUMBOBUFFERSIZE + RX_HEADER_SIZE;
return np;
}
call->flags |= RX_CALL_FAST_RECOVER_WAIT;
- while (call->flags & RX_CALL_TQ_BUSY) {
- call->flags |= RX_CALL_TQ_WAIT;
- call->tqWaiters++;
-#ifdef RX_ENABLE_LOCKS
- osirx_AssertMine(&call->lock, "rxi_Start lock2");
- CV_WAIT(&call->cv_tq, &call->lock);
-#else /* RX_ENABLE_LOCKS */
- osi_rxSleep(&call->tq);
-#endif /* RX_ENABLE_LOCKS */
- call->tqWaiters--;
- if (call->tqWaiters == 0)
- call->flags &= ~RX_CALL_TQ_WAIT;
- }
+ rxi_WaitforTQBusy(call);
MUTEX_ENTER(&peer->peer_lock);
#endif /* AFS_GLOBAL_RXLOCK_KERNEL */
call->flags &= ~RX_CALL_FAST_RECOVER_WAIT;
register struct rx_peer *peer;
struct rx_packet *packet;
+ dpf(("rxi_ResetCall(call %x, newcall %d)\n", call, newcall));
+
/* Notify anyone who is waiting for asynchronous packet arrival */
if (call->arrivalProc) {
(*call->arrivalProc) (call, call->arrivalProcHandle,
return;
}
call->flags |= RX_CALL_FAST_RECOVER_WAIT;
- while (call->flags & RX_CALL_TQ_BUSY) {
- call->flags |= RX_CALL_TQ_WAIT;
- call->tqWaiters++;
-#ifdef RX_ENABLE_LOCKS
- osirx_AssertMine(&call->lock, "rxi_Start lock1");
- CV_WAIT(&call->cv_tq, &call->lock);
-#else /* RX_ENABLE_LOCKS */
- osi_rxSleep(&call->tq);
-#endif /* RX_ENABLE_LOCKS */
- call->tqWaiters--;
- if (call->tqWaiters == 0)
- call->flags &= ~RX_CALL_TQ_WAIT;
- }
+ rxi_WaitforTQBusy(call);
#endif /* AFS_GLOBAL_RXLOCK_KERNEL */
call->flags &= ~RX_CALL_FAST_RECOVER_WAIT;
call->flags |= RX_CALL_FAST_RECOVER;
(char *)&error, sizeof(error), 0);
rxi_FreePacket(packet);
}
+ CALL_RELE(call, RX_CALL_REFCOUNT_ABORT);
MUTEX_EXIT(&call->lock);
}
void *outputData, size_t outputLength)
{
static afs_int32 counter = 100;
- time_t endTime;
+ time_t waitTime, waitCount, startTime, endTime;
struct rx_header theader;
char tbuffer[1500];
register afs_int32 code;
- struct timeval tv;
+ struct timeval tv_now, tv_wake, tv_delta;
struct sockaddr_in taddr, faddr;
int faddrLen;
fd_set imask;
register char *tp;
- endTime = time(0) + 20; /* try for 20 seconds */
+ startTime = time(0);
+ waitTime = 1;
+ waitCount = 5;
LOCK_RX_DEBUG;
counter++;
UNLOCK_RX_DEBUG;
(struct sockaddr *)&taddr, sizeof(struct sockaddr_in));
/* see if there's a packet available */
- FD_ZERO(&imask);
- FD_SET(socket, &imask);
- tv.tv_sec = 1;
- tv.tv_usec = 0;
- code = select((int)(socket + 1), &imask, 0, 0, &tv);
- if (code == 1 && FD_ISSET(socket, &imask)) {
- /* now receive a packet */
- faddrLen = sizeof(struct sockaddr_in);
- code =
- recvfrom(socket, tbuffer, sizeof(tbuffer), 0,
- (struct sockaddr *)&faddr, &faddrLen);
-
- if (code > 0) {
- memcpy(&theader, tbuffer, sizeof(struct rx_header));
- if (counter == ntohl(theader.callNumber))
- break;
+ gettimeofday(&tv_wake,0);
+ tv_wake.tv_sec += waitTime;
+ for (;;) {
+ FD_ZERO(&imask);
+ FD_SET(socket, &imask);
+ tv_delta.tv_sec = tv_wake.tv_sec;
+ tv_delta.tv_usec = tv_wake.tv_usec;
+ gettimeofday(&tv_now, 0);
+
+ if (tv_delta.tv_usec < tv_now.tv_usec) {
+ /* borrow */
+ tv_delta.tv_usec += 1000000;
+ tv_delta.tv_sec--;
}
+ tv_delta.tv_usec -= tv_now.tv_usec;
+
+ if (tv_delta.tv_sec < tv_now.tv_sec) {
+ /* time expired */
+ break;
+ }
+ tv_delta.tv_sec -= tv_now.tv_sec;
+
+ code = select(socket + 1, &imask, 0, 0, &tv_delta);
+ if (code == 1 && FD_ISSET(socket, &imask)) {
+ /* now receive a packet */
+ faddrLen = sizeof(struct sockaddr_in);
+ code =
+ recvfrom(socket, tbuffer, sizeof(tbuffer), 0,
+ (struct sockaddr *)&faddr, &faddrLen);
+
+ if (code > 0) {
+ memcpy(&theader, tbuffer, sizeof(struct rx_header));
+ if (counter == ntohl(theader.callNumber))
+ goto success;
+ continue;
+ }
+ }
+ break;
}
/* see if we've timed out */
- if (endTime < time(0))
- return -1;
+ if (!--waitCount) {
+ return -1;
+ }
+ waitTime <<= 1;
}
+
+ success:
code -= sizeof(struct rx_header);
if (code > outputLength)
code = outputLength;
return 0;
return rxi_rxstat_userok(call);
}
+
+#ifdef AFS_NT40_ENV
+/*
+ * DllMain() -- Entry-point function called by the DllMainCRTStartup()
+ * function in the MSVC runtime DLL (msvcrt.dll).
+ *
+ * Note: the system serializes calls to this function.
+ */
+BOOL WINAPI
+DllMain(HINSTANCE dllInstHandle, /* instance handle for this DLL module */
+ DWORD reason, /* reason function is being called */
+ LPVOID reserved) /* reserved for future use */
+{
+ switch (reason) {
+ case DLL_PROCESS_ATTACH:
+ /* library is being attached to a process */
+ INIT_PTHREAD_LOCKS;
+ return TRUE;
+
+ case DLL_PROCESS_DETACH:
+ return TRUE;
+
+ default:
+ return FALSE;
+ }
+}
+#endif
+
git://git.openafs.org / openafs.git / blobdiff