int
VLDB_GetEntryByID(afs_uint32 volid, afs_int32 voltype, struct nvldbentry *entryp)
{
struct vldbentry oentry;
int code;
if (newvlserver == vltype_old) {
tryold:
code =
ubik_VL_GetEntryByID(cstruct, 0, volid, voltype, &oentry);
if (!code)
ovlentry_to_nvlentry(&oentry, entryp);
return code;
}
code = ubik_VL_GetEntryByIDN(cstruct, 0, volid, voltype, entryp);
if (newvlserver == vltype_unknown) {
if (code == RXGEN_OPCODE) {
newvlserver = vltype_old; /* Doesn't support new interface */
goto tryold;
} else if (!code) {
newvlserver = vltype_new;
}
}
return code;
}
static int
uss_vol_GetEntryByID(struct ubik_client *cstruct, afs_uint32 volid,
afs_int32 voltype, struct nvldbentry *entryp)
{
struct vldbentry oentry;
int code;
code = ubik_VL_GetEntryByIDN(cstruct, 0, volid, voltype, entryp);
if (code == RXGEN_OPCODE) {
code =
ubik_VL_GetEntryByID(cstruct, 0, volid, voltype, &oentry);
if (!code)
ovlentry_to_nvlentry(&oentry, entryp);
}
return code;
}
struct afscp_volume *
afscp_VolumeById(struct afscp_cell *cell, afs_uint32 id)
{
union allvldbentry u;
struct afscp_volume *ret, key;
struct afscp_server *server;
afs_int32 code, vtype, type, srv;
int voltype = -1;
char idbuffer[16];
void *s;
#ifdef AFSCP_DEBUG
struct in_addr i;
#endif
memset(&key, 0, sizeof(key));
key.id = id;
s = tfind(&key, &cell->volsbyid, icompare);
if (s) {
ret = *(struct afscp_volume **)s;
return ret;
}
snprintf(idbuffer, sizeof(idbuffer), "%lu", afs_printable_uint32_lu(id));
type = 0;
code = ubik_VL_GetEntryByNameU(cell->vlservers, 0, idbuffer, &u.u);
if (code == RXGEN_OPCODE) {
type = 1;
code = ubik_VL_GetEntryByIDN(cell->vlservers, 0, id, -1, &u.n);
if (code == RXGEN_OPCODE) {
type = 2;
code = ubik_VL_GetEntryByID(cell->vlservers, 0, id, -1, &u.o);
}
}
if (code != 0) {
afscp_errno = code;
return NULL;
}
ret = calloc(1, sizeof(struct afscp_volume));
if (ret == NULL) {
afscp_errno = ENOMEM;
return NULL;
}
strlcpy(ret->name, u.u.name, sizeof(ret->name));
ret->nservers = 0;
ret->cell = cell;
switch (type) {
case 0:
if (id == u.u.volumeId[RWVOL]) {
vtype = VLSF_RWVOL;
voltype = RWVOL;
} else if (id == u.u.volumeId[ROVOL]) {
vtype = VLSF_ROVOL;
voltype = ROVOL;
} else if (id == u.u.volumeId[BACKVOL]) {
vtype = VLSF_BACKVOL;
voltype = BACKVOL;
} else {
vtype = 0;
voltype = -1;
}
for (srv = 0; srv < u.u.nServers; srv++) {
if ((u.u.serverFlags[srv] & vtype) == 0)
continue;
if ((u.u.serverFlags[srv] & VLSF_UUID) == 0)
server =
afscp_ServerByAddr(cell, u.u.serverNumber[srv].time_low);
else
server = afscp_ServerById(cell, &u.u.serverNumber[srv]);
if (!server)
continue;
ret->servers[ret->nservers++] = server->index;
}
break;
case 1:
if (id == u.n.volumeId[RWVOL]) {
vtype = VLSF_RWVOL;
voltype = RWVOL;
} else if (id == u.n.volumeId[ROVOL]) {
vtype = VLSF_ROVOL;
voltype = ROVOL;
} else if (id == u.n.volumeId[BACKVOL]) {
vtype = VLSF_BACKVOL;
voltype = BACKVOL;
} else {
vtype = 0;
voltype = -1;
}
for (srv = 0; srv < u.n.nServers; srv++) {
if ((u.n.serverFlags[srv] & vtype) == 0)
continue;
server = afscp_ServerByAddr(cell, u.n.serverNumber[srv]);
if (server == NULL)
continue;
ret->servers[ret->nservers++] = server->index;
}
break;
case 2:
if (id == u.o.volumeId[RWVOL]) {
vtype = VLSF_RWVOL;
voltype = RWVOL;
} else if (id == u.o.volumeId[ROVOL]) {
vtype = VLSF_ROVOL;
voltype = ROVOL;
} else if (id == u.o.volumeId[BACKVOL]) {
vtype = VLSF_BACKVOL;
voltype = BACKVOL;
} else {
vtype = 0;
voltype = -1;
}
for (srv = 0; srv < u.o.nServers; srv++) {
if ((u.o.serverFlags[srv] & vtype) == 0)
continue;
server = afscp_ServerByAddr(cell, u.o.serverNumber[srv]);
if (server == NULL)
continue;
ret->servers[ret->nservers++] = server->index;
}
break;
}
ret->voltype = voltype;
#ifdef AFSCP_DEBUG
server = afscp_ServerByIndex(ret->servers[0]);
if (server)
i.s_addr = server->addrs[0];
else
i.s_addr = 0;
#endif
afs_dprintf(("New volume BYID %s (%lu) on %s (%d)\n", ret->name,
afs_printable_uint32_lu(ret->id), inet_ntoa(i),
ret->servers[0]));
s = tsearch(&key, &cell->volsbyid, icompare);
if (s)
*(struct afscp_volume **)s = ret;
strlcpy(key.name, ret->name, sizeof(key.name));
s = tsearch(&key, &cell->volsbyname, ncompare);
if (s)
*(struct afscp_volume **)s = ret;
return ret;
}
