/* this is not yet 64-bit clean */
ssize_t
afscp_PRead(const struct afscp_venusfid * fid, void *buffer,
size_t count, off_t offset)
{
struct AFSFetchStatus fst;
struct AFSVolSync vs;
struct AFSCallBack cb;
struct AFSFid tf = fid->fid;
struct afscp_volume *vol;
struct afscp_server *server;
struct rx_call *c = NULL;
int code, code2 = 0;
int i, j, bytes, totalbytes = 0;
int bytesremaining;
char *p;
time_t now;
vol = afscp_VolumeById(fid->cell, fid->fid.Volume);
if (vol == NULL) {
afscp_errno = ENOENT;
return -1;
}
code = ENOENT;
for (i = 0; i < vol->nservers; i++) {
server = afscp_ServerByIndex(vol->servers[i]);
if (server && server->naddrs > 0) {
for (j = 0; j < server->naddrs; j++) {
c = rx_NewCall(server->conns[j]);
if (c != 0) {
p = buffer;
code = StartRXAFS_FetchData(c, &tf, offset, count);
if (code != 0) {
code = rx_EndCall(c, code);
continue;
}
bytes =
rx_Read(c, (char *)&bytesremaining,
sizeof(afs_int32));
if (bytes != sizeof(afs_int32)) {
code = rx_EndCall(c, bytes);
continue;
}
bytesremaining = ntohl(bytesremaining);
totalbytes = 0;
while (bytesremaining > 0) {
bytes = rx_Read(c, p, bytesremaining);
if (bytes <= 0)
break;
p += bytes;
totalbytes += bytes;
bytesremaining -= bytes;
}
if (bytesremaining == 0) {
time(&now);
code2 = EndRXAFS_FetchData(c, &fst, &cb, &vs);
if (code2 == 0)
afscp_AddCallBack(server, &fid->fid, &fst, &cb,
now);
}
code = rx_EndCall(c, code2);
}
if (code == 0) {
return totalbytes;
}
}
}
}
afscp_errno = code;
return -1;
}
/* 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;
}
int
main(int argc, char **argv)
{
char scell[MAXCELLCHARS], dcell[MAXCELLCHARS];
afs_uint32 ssrv, dsrv;
char *databuffer, *srcf = NULL, *destd = NULL, *destf = NULL, *destpath = NULL;
struct stat statbuf;
struct AFSStoreStatus sst;
struct AFSFetchStatus fst, dfst;
struct AFSVolSync vs;
struct AFSCallBack scb, dcb;
struct AFSFid sf, dd, df;
int filesz = 0;
int ch, blksize, bytesremaining, bytes;
struct timeval start, finish;
struct timezone tz;
struct rx_securityClass *ssc = 0, *dsc = 0;
int sscindex, dscindex;
struct rx_connection *sconn = NULL, *dconn = NULL;
struct rx_call *scall = NULL, *dcall = NULL;
int code = 0, fetchcode, storecode, printcallerrs = 0;
int slcl = 0, dlcl = 0, unlock = 0;
int sfd = 0, dfd = 0, unauth = 0;
struct AFSCBFids theFids;
struct AFSCBs theCBs;
blksize = 8 * 1024;
while ((ch = getopt(argc, argv, "iouUb:")) != -1) {
switch (ch) {
case 'b':
blksize = atoi(optarg);
break;
case 'i':
slcl = 1;
break;
case 'o':
dlcl = 1;
break;
case 'u':
unauth = 1;
break;
case 'U':
unlock = 1;
break;
default:
printf("Unknown option '%c'\n", ch);
exit(1);
}
}
if (argc - optind + unlock < 2) {
fprintf(stderr,
"Usage: afscp [-i|-o]] [-b xfersz] [-u] [-U] source [dest]\n");
fprintf(stderr, " -b Set block size\n");
fprintf(stderr, " -i Source is local (copy into AFS)\n");
fprintf(stderr, " -o Dest is local (copy out of AFS)\n");
fprintf(stderr, " -u Run unauthenticated\n");
fprintf(stderr, " -U Send an unlock request for source. (dest path not required)\n");
fprintf(stderr, "source and dest can be paths or specified as:\n");
fprintf(stderr, " @afs:cellname:servername:volume:vnode:uniq\n");
exit(1);
}
srcf = argv[optind++];
if (!unlock) {
destpath = argv[optind++];
destd = strdup(destpath);
if (!destd) {
perror("strdup");
exit(1);
}
if ((destf = strrchr(destd, '/'))) {
*destf++ = 0;
} else {
destf = destd;
destd = ".";
}
} else if (slcl) {
fprintf(stderr, "-i and -U cannot be used together\n");
}
if (!slcl && statfile(srcf, scell, &ssrv, &sf)) {
fprintf(stderr, "Cannot get attributes of %s\n", srcf);
exit(1);
}
if (!unlock && !dlcl && statfile(destd, dcell, &dsrv, &dd)) {
fprintf(stderr, "Cannot get attributes of %s\n", destd);
exit(1);
}
if ((databuffer = malloc(blksize)) == NULL) {
perror("malloc");
exit(1);
}
if (do_rx_Init())
exit(1);
if (start_cb_server()) {
printf("Cannot start callback service\n");
goto Fail_rx;
}
if (!slcl) {
sscindex = scindex_RXKAD;
if (unauth || (ssc = get_sc(scell)) == NULL) {
ssc = rxnull_NewClientSecurityObject();
sscindex = scindex_NULL;
/*printf("Cannot get authentication for cell %s; running unauthenticated\n", scell); */
}
sscindex = scindex_NULL;
if ((sconn =
rx_NewConnection(ssrv, htons(AFSCONF_FILEPORT), 1, ssc,
sscindex))
== NULL) {
struct in_addr s;
s.s_addr = ssrv;
printf("Cannot initialize rx connection to source server (%s)\n",
inet_ntoa(s));
goto Fail_sc;
}
}
if (!dlcl && !unlock) {
if (!slcl && ssrv == dsrv) {
dconn = sconn;
dsc = NULL;
} else {
if (slcl || strcmp(scell, dcell)) {
dscindex = scindex_RXKAD;
if (unauth || (dsc = get_sc(dcell)) == NULL) {
dsc = rxnull_NewClientSecurityObject();
dscindex = scindex_NULL;
/*printf("Cannot get authentication for cell %s; running unauthenticated\n", dcell); */
}
dscindex = scindex_NULL;
} else {
dsc = ssc;
dscindex = sscindex;
}
if ((dconn =
rx_NewConnection(dsrv, htons(AFSCONF_FILEPORT), 1, dsc,
dscindex))
== NULL) {
struct in_addr s;
s.s_addr = dsrv;
printf
("Cannot initialize rx connection to dest server (%s)\n",
inet_ntoa(s));
goto Fail_sconn;
}
}
}
memset(&sst, 0, sizeof(struct AFSStoreStatus));
if (dlcl && !unlock) {
dfd = open(destpath, O_RDWR | O_CREAT | O_EXCL, 0666);
if (dfd < 0 && errno == EEXIST) {
printf("%s already exists, overwriting\n", destpath);
dfd = open(destpath, O_RDWR | O_TRUNC, 0666);
if (dfd < 0) {
fprintf(stderr, "Cannot open %s (%s)\n", destpath,
afs_error_message(errno));
goto Fail_dconn;
}
} else if (dfd < 0) {
fprintf(stderr, "Cannot open %s (%s)\n", destpath,
afs_error_message(errno));
goto Fail_dconn;
}
} else if (!unlock) {
if ((code =
RXAFS_CreateFile(dconn, &dd, destf, &sst, &df, &fst, &dfst, &dcb,
&vs))) {
if (code == EEXIST) {
printf("%s already exits, overwriting\n", destpath);
if (statfile(destpath, dcell, &dsrv, &df))
fprintf(stderr, "Cannot get attributes of %s\n",
destpath);
else
code = 0;
} else {
printf("Cannot create %s (%s)\n", destpath,
afs_error_message(code));
if (code)
goto Fail_dconn;
}
}
}
if (slcl) {
sfd = open(srcf, O_RDONLY, 0);
if (sfd < 0) {
fprintf(stderr, "Cannot open %s (%s)\n", srcf,
afs_error_message(errno));
goto Fail_dconn;
}
if (fstat(sfd, &statbuf) < 0) {
fprintf(stderr, "Cannot stat %s (%s)\n", srcf,
afs_error_message(errno));
close(sfd);
goto Fail_dconn;
}
} else {
if ((code = RXAFS_FetchStatus(sconn, &sf, &fst, &scb, &vs))) {
printf("Cannot fetchstatus of %d.%d (%s)\n", sf.Volume, sf.Vnode,
afs_error_message(code));
goto Fail_dconn;
}
}
if (slcl) {
filesz = statbuf.st_size;
} else {
filesz = fst.Length;
}
printcallerrs = 0;
fetchcode = 0;
storecode = 0;
if (!slcl && !unlock)
scall = rx_NewCall(sconn);
if (!dlcl && !unlock)
dcall = rx_NewCall(dconn);
gettimeofday(&start, &tz);
if (unlock) {
if (fst.lockCount) {
printf("Sending 1 unlock for %s (%d locks)\n", srcf, fst.lockCount);
if ((code = RXAFS_ReleaseLock(sconn, &sf, &vs))) {
printf("Unable to unlock %s (%s)\n", srcf,
afs_error_message(code));
}
} else {
printf("No locks for %s\n", srcf);
}
fetchcode = code;
goto Finish;
}
if (!slcl) {
if ((code = StartRXAFS_FetchData(scall, &sf, 0, filesz))) {
printf("Unable to fetch data from %s (%s)\n", srcf,
afs_error_message(code));
goto Fail_call;
}
}
if (!dlcl) {
if (slcl) {
sst.Mask = AFS_SETMODTIME | AFS_SETMODE;
sst.ClientModTime = statbuf.st_mtime;
sst.UnixModeBits =
statbuf.st_mode & ~(S_IFMT | S_ISUID | S_ISGID);
} else {
sst.Mask = AFS_SETMODTIME | AFS_SETMODE;
sst.ClientModTime = fst.ClientModTime;
sst.UnixModeBits =
fst.UnixModeBits & ~(S_IFMT | S_ISUID | S_ISGID);
}
if ((code =
StartRXAFS_StoreData(dcall, &df, &sst, 0, filesz, filesz))) {
printf("Unable to store data to %s (%s)\n", destpath,
afs_error_message(code));
goto Fail_call;
}
}
if (slcl) {
bytesremaining = statbuf.st_size;
} else {
rx_Read(scall, (char *)&bytesremaining, sizeof(afs_int32));
bytesremaining = ntohl(bytesremaining);
}
while (bytesremaining > 0) {
/*printf("%d bytes remaining\n",bytesremaining); */
if (slcl) {
if ((bytes =
read(sfd, databuffer, min(blksize, bytesremaining))) <= 0) {
fetchcode = errno;
break;
}
} else {
if ((bytes =
rx_Read(scall, databuffer,
min(blksize, bytesremaining))) <= 0)
break;
}
if (dlcl) {
if (write(dfd, databuffer, bytes) != bytes) {
storecode = errno;
break;
}
} else {
if (rx_Write(dcall, databuffer, bytes) != bytes)
break;
}
bytesremaining -= bytes;
/*printf("%d bytes copied\n",bytes); */
}
if (bytesremaining > 0) {
printf("Some network error occured while copying data\n");
goto Fail_call;
}
if (!slcl)
fetchcode = EndRXAFS_FetchData(scall, &fst, &scb, &vs);
if (!dlcl)
storecode = EndRXAFS_StoreData(dcall, &fst, &vs);
printcallerrs = 1;
Fail_call:
if (slcl) {
if (close(sfd) && !fetchcode)
fetchcode = errno;
} else {
fetchcode = rx_EndCall(scall, fetchcode);
}
if (fetchcode && printcallerrs)
printf("Error returned from fetch: %s\n", afs_error_message(fetchcode));
if (dlcl) {
if (close(dfd) && !storecode)
storecode = errno;
} else if (!unlock) {
storecode = rx_EndCall(dcall, storecode);
}
if (storecode && printcallerrs)
printf("Error returned from store: %s\n", afs_error_message(storecode));
Finish:
gettimeofday(&finish, &tz);
if (!slcl) {
theFids.AFSCBFids_len = 1;
theFids.AFSCBFids_val = &sf;
theCBs.AFSCBs_len = 1;
theCBs.AFSCBs_val = &scb;
scb.CallBackType = CB_DROPPED;
if ((code = RXAFS_GiveUpCallBacks(sconn, &theFids, &theCBs)))
printf("Could not give up source callback: %s\n",
afs_error_message(code));
}
if (!dlcl) {
theFids.AFSCBFids_len = 1;
theFids.AFSCBFids_val = &df;
theCBs.AFSCBs_len = 1;
theCBs.AFSCBs_val = &dcb;
dcb.CallBackType = CB_DROPPED;
if ((code = RXAFS_GiveUpCallBacks(dconn, &theFids, &theCBs)))
printf("Could not give up target callback: %s\n",
afs_error_message(code));
}
if (code == 0)
code = storecode;
if (code == 0)
code = fetchcode;
Fail_dconn:
if (!dlcl && !unlock && (slcl || dconn != sconn))
rx_DestroyConnection(dconn);
Fail_sconn:
if (!slcl)
rx_DestroyConnection(sconn);
Fail_sc:
if (dsc && dsc != ssc)
RXS_Close(dsc);
if (ssc)
RXS_Close(ssc);
Fail_rx:
rx_Finalize();
free(databuffer);
if (printcallerrs && !unlock) {
double rate, size, time;
if (finish.tv_sec == start.tv_sec) {
printf("Copied %d bytes in %d microseconds\n", filesz,
(int)(finish.tv_usec - start.tv_usec));
} else {
printf("Copied %d bytes in %d seconds\n", filesz,
(int)(finish.tv_sec - start.tv_sec));
}
size = filesz / 1024.0;
time =
finish.tv_sec - start.tv_sec + (finish.tv_usec -
start.tv_usec) / 1e+06;
rate = size / time;
printf("Transfer rate %g Kbytes/sec\n", rate);
}
exit(code != 0);
}
