/* Cannot have static linkage--called from BPrefetch (afs_daemons) */
afs_int32
afs_PrefetchNoCache(struct vcache *avc,
afs_ucred_t *acred,
struct nocache_read_request *bparms)
{
struct uio *auio;
#ifndef UKERNEL
struct iovec *iovecp;
#endif
struct vrequest *areq;
afs_int32 code = 0;
struct rx_connection *rxconn;
#ifdef AFS_64BIT_CLIENT
afs_int32 length_hi, bytes, locked;
#endif
struct afs_conn *tc;
struct rx_call *tcall;
struct tlocal1 {
struct AFSVolSync tsync;
struct AFSFetchStatus OutStatus;
struct AFSCallBack CallBack;
};
struct tlocal1 *tcallspec;
auio = bparms->auio;
areq = bparms->areq;
#ifndef UKERNEL
iovecp = auio->uio_iov;
#endif
tcallspec = osi_Alloc(sizeof(struct tlocal1));
do {
tc = afs_Conn(&avc->f.fid, areq, SHARED_LOCK /* ignored */, &rxconn);
if (tc) {
avc->callback = tc->parent->srvr->server;
tcall = rx_NewCall(rxconn);
#ifdef AFS_64BIT_CLIENT
if (!afs_serverHasNo64Bit(tc)) {
code = StartRXAFS_FetchData64(tcall,
(struct AFSFid *) &avc->f.fid.Fid,
auio->uio_offset,
bparms->length);
if (code == 0) {
COND_GUNLOCK(locked);
bytes = rx_Read(tcall, (char *)&length_hi,
sizeof(afs_int32));
COND_RE_GLOCK(locked);
if (bytes != sizeof(afs_int32)) {
length_hi = 0;
code = rx_Error(tcall);
COND_GUNLOCK(locked);
code = rx_EndCall(tcall, code);
COND_RE_GLOCK(locked);
tcall = NULL;
}
}
} /* afs_serverHasNo64Bit */
if (code == RXGEN_OPCODE || afs_serverHasNo64Bit(tc)) {
if (auio->uio_offset > 0x7FFFFFFF) {
code = EFBIG;
} else {
afs_int32 pos;
pos = auio->uio_offset;
COND_GUNLOCK(locked);
if (!tcall)
tcall = rx_NewCall(rxconn);
code = StartRXAFS_FetchData(tcall,
(struct AFSFid *) &avc->f.fid.Fid,
pos, bparms->length);
COND_RE_GLOCK(locked);
}
afs_serverSetNo64Bit(tc);
}
#else
code = StartRXAFS_FetchData(tcall,
(struct AFSFid *) &avc->f.fid.Fid,
auio->uio_offset, bparms->length);
#endif
if (code == 0) {
code = afs_NoCacheFetchProc(tcall, avc, auio,
1 /* release_pages */,
bparms->length);
} else {
afs_warn("BYPASS: StartRXAFS_FetchData failed: %d\n", code);
unlock_and_release_pages(auio);
goto done;
}
if (code == 0) {
code = EndRXAFS_FetchData(tcall, &tcallspec->OutStatus,
&tcallspec->CallBack,
&tcallspec->tsync);
} else {
afs_warn("BYPASS: NoCacheFetchProc failed: %d\n", code);
}
code = rx_EndCall(tcall, code);
} else {
afs_warn("BYPASS: No connection.\n");
code = -1;
unlock_and_release_pages(auio);
goto done;
}
} while (afs_Analyze(tc, rxconn, code, &avc->f.fid, areq,
AFS_STATS_FS_RPCIDX_FETCHDATA,
SHARED_LOCK,0));
done:
/*
* Copy appropriate fields into vcache
*/
if (!code)
afs_ProcessFS(avc, &tcallspec->OutStatus, areq);
osi_Free(areq, sizeof(struct vrequest));
osi_Free(tcallspec, sizeof(struct tlocal1));
osi_Free(bparms, sizeof(struct nocache_read_request));
#ifndef UKERNEL
/* in UKERNEL, the "pages" are passed in */
osi_Free(iovecp, auio->uio_iovcnt * sizeof(struct iovec));
osi_Free(auio, sizeof(struct uio));
#endif
return code;
}
static void *
client_thread( void *vparams)
{
struct client_data *params = (struct client_data *)vparams;
struct rx_call *call;
afs_int32 data;
int i, j;
afs_uint32 *readwrite;
int readp = FALSE;
afs_uint32 size;
afs_uint32 num;
for (i = 0; i < params->times; i++) {
DBFPRINT(("starting command "));
call = rx_NewCall(params->conn);
if (call == NULL)
errx(1, "rx_NewCall failed");
data = htonl(RX_PERF_VERSION);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send version (err %d)", rx_Error(call));
data = htonl(params->command);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send command (err %d)", rx_Error(call));
data = htonl(rxread_size);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send read size (err %d)", rx_Error(call));
data = htonl(rxwrite_size);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send write read (err %d)", rx_Error(call));
switch (params->command) {
case RX_PERF_RECV:
DBFPRINT(("command "));
data = htonl(params->bytes);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send size (err %d)", rx_Error(call));
DBFPRINT(("sending(%d) ", params->bytes));
if (do_readbytes(call, params->bytes))
errx(1, "sendbytes (err %d)", rx_Error(call));
if (rx_Read32(call, &data) != 4)
errx(1, "failed to read result from server (err %d)", rx_Error(call));
if (data != htonl(RXPERF_MAGIC_COOKIE))
warn("server send wrong magic cookie in responce");
DBFPRINT(("done\n"));
break;
case RX_PERF_SEND:
DBFPRINT(("command "));
data = htonl(params->bytes);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send size (err %d)", rx_Error(call));
DBFPRINT(("sending(%d) ", params->bytes));
if (do_sendbytes(call, params->bytes))
errx(1, "sendbytes (err %d)", rx_Error(call));
if (rx_Read32(call, &data) != 4)
errx(1, "failed to read result from server (err %d)", rx_Error(call));
if (data != htonl(RXPERF_MAGIC_COOKIE))
warn("server send wrong magic cookie in responce");
DBFPRINT(("done\n"));
break;
case RX_PERF_RPC:
DBFPRINT(("commands "));
data = htonl(params->sendbytes);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send command (err %d)", rx_Error(call));
data = htonl(params->readbytes);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send command (err %d)", rx_Error(call));
DBFPRINT(("send(%d) ", params->sendbytes));
if (do_sendbytes(call, params->sendbytes))
errx(1, "sendbytes (err %d)", rx_Error(call));
DBFPRINT(("recv(%d) ", params->readbytes));
if (do_readbytes(call, params->readbytes))
errx(1, "sendbytes (err %d)", rx_Error(call));
if (rx_Read32(call, &data) != 4)
errx(1, "failed to read result from server (err %d)", rx_Error(call));
if (data != htonl(RXPERF_MAGIC_COOKIE))
warn("server send wrong magic cookie in responce");
DBFPRINT(("done\n"));
break;
case RX_PERF_FILE:
readfile(params->filename, &readwrite, &num);
data = htonl(num);
if (rx_Write32(call, &data) != 4)
errx(1, "rx_Write failed to send size (err %d)", rx_Error(call));
if (rx_Write(call, (char *)readwrite, num * sizeof(afs_uint32))
!= num * sizeof(afs_uint32))
errx(1, "rx_Write failed to send list (err %d)", rx_Error(call));
for (j = 0; j < num; j++) {
if (readwrite[j] == 0)
readp = !readp;
size = ntohl(readwrite[j]) * sizeof(afs_uint32);
if (readp) {
if (do_readbytes(call, size))
errx(1, "sendbytes (err %d)", rx_Error(call));
DBFPRINT(("read\n"));
} else {
if (do_sendbytes(call, size))
errx(1, "sendbytes (err %d)", rx_Error(call));
DBFPRINT(("send\n"));
}
}
break;
default:
abort();
}
rx_EndCall(call, 0);
}
#ifdef AFS_PTHREAD_ENV
pthread_exit(NULL);
#endif
return NULL;
}
