static void removeServer(gdb_sNode* np, san_sServer* sp)
{
hash_Remove(NULL, gdbroot->sans_ht, sp);
if (sp->flags.b.sansAct) {
pool_Qremove(NULL, gdbroot->pool, &sp->sansAct_ll);
np->sansAct_lc--;
np->sans_gen++;
}
if (sp->flags.b.sansUpd)
pool_Qremove(NULL, gdbroot->pool, &sp->sansUpd_ll);
pool_Free(NULL, gdbroot->pool, sp);
}
void
cvolsm_RemoveMountedOn (
pwr_tStatus *sts,
gdb_sMountedOn *mop
)
{
gdb_AssumeLocked;
pool_Qremove(NULL, gdbroot->pool, &mop->nodmo_ll);
pool_Qremove(NULL, gdbroot->pool, &mop->volmo_ll);
pool_Free(NULL, gdbroot->pool, mop);
}
void cvolcm_FlushNode(pwr_tStatus* sts, gdb_sNode* np)
{
pool_sQlink* vl;
gdb_sVolume* vp;
gdb_sCclassVolume* cvp;
pwr_tStatus lsts;
gdb_AssumeLocked;
pwr_Assert(np != gdbroot->my_node && np != gdbroot->no_node);
for (vl = pool_Qsucc(NULL, gdbroot->pool, &np->own_lh); vl != &np->own_lh;
vl = pool_Qsucc(NULL, gdbroot->pool, &np->own_lh)) {
vp = pool_Qitem(vl, gdb_sVolume, l.own_ll);
pwr_Assert(vp->l.flags.b.isCached);
if (vp->l.flags.b.isCached)
cvolcm_FlushVolume(NULL, vp);
}
for (vl = pool_Qsucc(NULL, gdbroot->pool, &np->ccvol_lh); vl != &np->ccvol_lh;
vl = pool_Qsucc(NULL, gdbroot->pool, &np->ccvol_lh)) {
cvp = pool_Qitem(vl, gdb_sCclassVolume, ccvol_ll);
hash_Remove(&lsts, gdbroot->ccvol_ht, cvp);
if (EVEN(lsts))
errh_Bugcheck(lsts, "cached class volume inconsistency");
pool_Qremove(NULL, gdbroot->pool, &cvp->ccvol_ll);
pool_Free(NULL, gdbroot->pool, cvp);
}
}
void cvolcm_ExternVolumeFlush(gdb_sNode* np)
{
pool_sQlink* vl;
gdb_sVolume* vp;
pool_sQlink* ol;
gdb_sObject* op;
gdb_sMountServer* msp;
pwr_tStatus sts;
// Flush local node
gdb_AssumeLocked;
for (vl = pool_Qsucc(NULL, gdbroot->pool, &np->own_lh); vl != &np->own_lh;
vl = pool_Qsucc(NULL, gdbroot->pool, vl)) {
vp = pool_Qitem(vl, gdb_sVolume, l.own_ll);
pwr_Assert(vp->l.flags.b.isCached);
if (vp->l.flags.b.isCached) {
for (ol = pool_Qsucc(NULL, gdbroot->pool, &vp->l.obj_lh);
ol != &vp->l.obj_lh;
ol = pool_Qsucc(NULL, gdbroot->pool, &vp->l.obj_lh)) {
op = pool_Qitem(ol, gdb_sObject, l.obj_ll);
if (op->l.flags.b.isMountServer) {
msp = (gdb_sMountServer*)hash_Search(
&sts, gdbroot->ms_ht, &op->g.oid);
if (msp == NULL)
errh_Bugcheck(sts, "mount server inconsitency");
msp->msor = pool_cNRef;
pool_Qremove(NULL, gdbroot->pool, &msp->nodms_ll);
/* Todo !!! Clear alarm and blocklevel in all mount clients. */
}
cvol_FlushObject(op);
}
}
}
}
void *
hash_Remove (
pwr_tStatus *sts,
hash_sTable *htp,
void *ip /* Address of item to be removed. */
)
{
hash_sGtable *ghtp;
pool_sQlink *il;
pool_sQlink *bl;
ghtp = htp->ghtp;
ghtp->removes++;
il = findEntry(sts, &bl, htp, (char *)ip + ghtp->key_offset);
if (il == NULL) return NULL;
il = pool_Qremove(sts, htp->php, il);
if (il == NULL)
return NULL;
ghtp->entries--;
if (bl->flink == bl->self)
ghtp->used_buckets--;
pwr_Return(ip, sts, HASH__SUCCESS);
}
void
cvolcm_FlushVolume (
pwr_tStatus *sts,
gdb_sVolume *vp
)
{
pool_sQlink *ol;
gdb_sObject *op;
gdb_sMountServer *msp;
gdb_AssumeLocked;
for (
ol = pool_Qsucc(NULL, gdbroot->pool, &vp->l.obj_lh);
ol != &vp->l.obj_lh;
ol = pool_Qsucc(NULL, gdbroot->pool, &vp->l.obj_lh)
) {
op = pool_Qitem(ol, gdb_sObject, l.obj_ll);
if (op->l.flags.b.isMountServer) {
msp = hash_Search(sts, gdbroot->ms_ht, &op->g.oid);
if (msp == NULL) errh_Bugcheck(*sts, "mount server inconsitency");
msp->msor = pool_cNRef;
pool_Qremove(NULL, gdbroot->pool, &msp->nodms_ll);
/* Todo !!! Clear alarm and blocklevel in all mount clients. */
}
cvol_FlushObject(op);
}
pwr_Assert(vp->l.flags.b.inOwnList);
pool_Qremove(NULL, gdbroot->pool, &vp->l.own_ll);
vp->l.flags.b.inOwnList = 0;
vp->g.nid = pwr_cNNodeId;
pwr_Assert(pool_QisEmpty(NULL, gdbroot->pool, &vp->u.c.cacheLock.lh));
pwr_Assert(vp->u.c.cacheLock.lc == 0);
pwr_Assert(pool_QisEmpty(NULL, gdbroot->pool, &vp->u.c.cacheVol.lh));
pwr_Assert(vp->u.c.cacheVol.lc == 0);
vp->l.flags.b.isConnected = 0;
vp->l.flags.b.isCached = 0;
vp->l.flags.b.netCached = 0;
vp->l.flags.b.remote = 0;
}
void
subs_DeleteServer (
sub_sServer *sp
)
{
pwr_tStatus sts;
sub_sBuffer *bp;
gdb_sObject *op;
gdb_AssumeLocked;
bp = pool_Address(NULL, gdbroot->pool, sp->br);
/* Disconnect from buffer. If the number of servers connected
to the buffer reaches zero, the buffer gets disposed when
it times out the next time. */
pool_Qremove(NULL, gdbroot->pool, &sp->bufsubs_ll);
bp->bufsubs_lc -= 1;
bp->totsize -= sp->aref.Size;
/* Now give the subsrv entry back to the pool. */
pool_Qremove(NULL, gdbroot->pool, &sp->subs_ll);
gdbroot->db->subs_lc--;
pool_Qremove(NULL, gdbroot->pool, &sp->nodsubs_ll);
/* Remove from server table. */
hash_Remove(&sts, gdbroot->subs_ht, sp);
/* Decrement subcounter for referenced object */
op = vol_OidToObject(&sts, sp->aref.Objid, gdb_mLo_owned, vol_mTrans_alias, cvol_eHint_none);
if (op != NULL) {
op->u.n.subcount--;
}
pool_Free(NULL, gdbroot->pool, sp);
}
static void
cancelTimeoutWatch (
sub_sClient *cp
)
{
gdb_AssumeLocked;
if (cp->tmoactive) {
pool_Qremove(NULL, gdbroot->pool, &cp->subt_ll);
cp->tmoactive = FALSE;
gdbroot->db->subt_lc--;
}
}
void
subc_CancelUser (
pid_t subscriber
)
{
sub_sClient *cp;
pool_sQlink *cl;
gdb_sNode *np;
pool_sQlink *nl;
pool_sQlink *lh;
/* Allocate a temporary root */
gdb_AssumeLocked;
lh = pool_Qalloc(NULL, gdbroot->pool);
/* Build a list with all clients to cancel */
for (
nl = pool_Qsucc(NULL, gdbroot->pool, &gdbroot->db->nod_lh);
nl != &gdbroot->db->nod_lh;
nl = pool_Qsucc(NULL, gdbroot->pool, nl)
) {
np = pool_Qitem(nl, gdb_sNode, nod_ll);
for (cl = pool_Qsucc(NULL, gdbroot->pool, &np->subc_lh); cl != &np->subc_lh; ) {
cp = pool_Qitem(cl, sub_sClient, subc_ll);
cl = pool_Qsucc(NULL, gdbroot->pool, cl);
if (cp->subscriber == subscriber) {
pool_Qremove(NULL, gdbroot->pool, &cp->subc_ll);
pool_QinsertPred(NULL, gdbroot->pool, &cp->subc_ll, lh);
}
} /* For all clients of that node. */
} /* For all nodes */
/* Now cancel them all! */
subc_CancelList(lh);
/* Return the root to the pool */
pool_Free(NULL, gdbroot->pool, lh);
}
pwr_tBoolean sanc_Subscribe(pwr_tStatus* sts, gdb_sObject* op)
{
gdb_sVolume* vp;
gdb_sNode* np;
if (sts != NULL)
*sts = 1;
gdb_AssumeLocked;
if (op->l.flags.b.isNative)
pwr_Return(NO, sts, SAN__NATIVE);
if (op->u.c.flags.m & (gdb_mCo_sancAdd | gdb_mCo_sancAct)) {
op->u.c.sanexp = 0;
return YES;
}
vp = pool_Address(NULL, gdbroot->pool, op->l.vr);
np = pool_Address(NULL, gdbroot->pool, vp->l.nr);
if (op->u.c.flags.b.sancRem) {
pool_Qremove(NULL, gdbroot->pool, &op->u.c.sanc_ll);
op->u.c.flags.b.sancRem = 0;
pwr_Assert(np->sancRem_lc != 0);
np->sancRem_lc--;
pool_QinsertPred(NULL, gdbroot->pool, &op->u.c.sanc_ll, &np->sancAct_lh);
op->u.c.flags.b.sancAct = 1;
np->sancAct_lc++;
return YES;
}
pwr_Assert(!pool_QisLinked(NULL, gdbroot->pool, &op->u.c.sanc_ll));
pool_QinsertPred(NULL, gdbroot->pool, &op->u.c.sanc_ll, &np->sancAdd_lh);
op->u.c.flags.b.sancAdd = 1;
memset(&op->l.al, 0, sizeof(op->l.al));
np->sancAdd_lc++;
++gdbroot->db->sancid.rix;
op->u.c.sanid = gdbroot->db->sancid;
op->u.c.sanexp = 0;
return YES;
}
void
dl_Cancel (
pwr_tStatus *sts,
pwr_tDlid dlid
)
{
dl_sLink *dp;
gdb_sObject *op;
cdh_uRefId rid;
gdb_AssumeLocked;
rid.pwr = dlid;
if (rid.r.vid_3 != cdh_eVid3_dlid) {
pwr_Status(sts, GDH__DLID);
return;
}
dp = hash_Search(sts, gdbroot->subc_ht, &dlid);
if (dp == NULL) {
pwr_Status(sts, GDH__DLID);
return;
}
dp = hash_Remove(sts, gdbroot->subc_ht, dp);
if (dp == NULL) errh_Bugcheck(GDH__WEIRD, "hash_Remove");
pool_Qremove(NULL, gdbroot->pool, &dp->dl_ll);
gdbroot->db->dl_lc--;
op = pool_Address(NULL, gdbroot->pool, dp->opr);
if (op == NULL) errh_Bugcheck(GDH__WEIRD, "direct link inconsitency");
gdb_UnlockObject(sts, op);
pool_Free(NULL, gdbroot->pool, dp);
return;
}
void
sancm_MoveExpired (
pwr_tStatus *status,
gdb_sNode *np
)
{
pool_sQlink *ol;
gdb_sObject *op;
if (status != NULL) *status = 1;
gdb_AssumeLocked;
if (np->sancAct_lc == 0) return;
for (
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancAct_lh);
ol != &np->sancAct_lh;
) {
op = pool_Qitem(ol, gdb_sObject, u.c.sanc_ll);
ol = pool_Qsucc(NULL, gdbroot->pool, ol);
pwr_Assert(op->u.c.flags.b.sancAct);
if (op->u.c.sanexp) {
pool_Qremove(NULL, gdbroot->pool, &op->u.c.sanc_ll);
op->u.c.flags.b.sancAct = 0;
pwr_Assert((op->u.c.flags.m & gdb_mCo_inSancList) == 0);
pwr_Assert(np->sancAct_lc != 0);
np->sancAct_lc--;
pool_QinsertPred(NULL, gdbroot->pool, &op->u.c.sanc_ll, &np->sancRem_lh);
op->u.c.flags.b.sancRem = 1;
np->sancRem_lc++;
op->u.c.sanexp = 0;
} else if (!op->l.flags.b.isMountServer)
op->u.c.sanexp = 1;
}
}
static void
deleteClient (
sub_sClient *cp
)
{
pwr_tStatus sts;
gdb_sNode *np;
gdb_AssumeLocked;
cancelTimeoutWatch(cp);
subc_RemoveFromMessage(cp);
hash_Remove(&sts, gdbroot->subc_ht, cp);
if (EVEN(sts)) errh_Bugcheck(sts, "remove client from hash table");
np = hash_Search(&sts, gdbroot->nid_ht, &cp->nid);
if (np == NULL) errh_Bugcheck(sts, "node not found");
pool_Qremove(&sts, gdbroot->pool, &cp->subc_ll);
np->subc_lc--;
if (cp->userdata != pool_cNRef) {
pool_FreeReference(NULL, gdbroot->rtdb, cp->userdata);
}
if (cp->cclass != pool_cNRef) {
gdb_sCclass *ccp;
ccp = pool_Address(NULL, gdbroot->pool, cp->cclass);
if (ccp == NULL) errh_Bugcheck(GDH__WEIRD, "cached class address");
cmvolc_UnlockClass(NULL, ccp);
cp->cclass = pool_cNRef;
}
pool_Free(NULL, gdbroot->pool, cp);
}
void
subc_RemoveFromMessage (
sub_sClient *cp
)
{
sub_sMessage *mp;
if (cp->submsg == pool_cNRef)
return;
gdb_AssumeLocked;
mp = pool_Address(NULL, gdbroot->pool, cp->submsg);
if (--mp->msg.count == 0) {
pool_Qremove(NULL, gdbroot->pool, &mp->subm_ll);
gdbroot->db->subm_lc--;
pool_Free(NULL, gdbroot->pool, mp);
} /* Last reference to that SUBMSG, dispose it */
cp->submsg = pool_cNRef;
cp->subdata = pool_cNRef;
}
void
sancm_Add (
pwr_tStatus *status,
gdb_sNode *np
)
{
net_sSanAdd *ap;
pool_sQlink *ol;
gdb_sObject *op;
int count;
int i;
qcom_sQid tgt;
if (status != NULL) *status = 1;
gdb_AssumeLocked;
if (np->sancAdd_lc == 0) return;
count = MIN(np->sancAdd_lc, net_cSanMaxAdd);
ap = malloc(sizeof(net_sSanAdd) + (count - 1) * sizeof(ap->sane[0]));
if (ap == NULL) return;
tgt.nid = np->nid;
tgt.qix = net_cProcHandler;
for (
i = 0, ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancAdd_lh);
ol != &np->sancAdd_lh;
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancAdd_lh)
) {
op = pool_Qitem(ol, gdb_sObject, u.c.sanc_ll);
ap->sane[i].oid = op->g.oid;
ap->sane[i].sid = op->u.c.sanid;
i++;
pwr_Assert(op->u.c.flags.b.sancAdd);
pool_Qremove(NULL, gdbroot->pool, &op->u.c.sanc_ll);
op->u.c.flags.b.sancAdd = 0;
pwr_Assert((op->u.c.flags.m & gdb_mCo_inSancList) == 0);
pwr_Assert(np->sancAdd_lc != 0);
np->sancAdd_lc--;
pwr_Assert(!op->u.c.flags.b.sancAct);
pool_QinsertPred(NULL, gdbroot->pool, &op->u.c.sanc_ll, &np->sancAct_lh);
op->u.c.flags.b.sancAct = 1;
np->sancAct_lc++;
if (i >= count) {
ap->count = count;
gdb_Unlock;
net_Put(NULL, &tgt, ap, net_eMsg_sanAdd, 0, pwr_Offset(ap, sane[i]), 0);
gdb_Lock;
i = 0;
}
}
pwr_Assert(np->sancAdd_lc == 0);
/* Send remaining san entries. */
if (i > 0) {
ap->count = i;
gdb_Unlock;
net_Put(NULL, &tgt, ap, net_eMsg_sanAdd, 0, pwr_Offset(ap, sane[i]), 0);
gdb_Lock;
}
free(ap);
}
void
sancm_Remove (
pwr_tStatus *status,
gdb_sNode *np
)
{
net_sSanRemove *rp;
pool_sQlink *ol;
gdb_sObject *op;
int count;
int i;
qcom_sQid tgt;
if (status != NULL) *status = 1;
gdb_AssumeLocked;
if (np->sancRem_lc == 0) return;
count = MIN(np->sancRem_lc, net_cSanMaxRemove);
rp = malloc(sizeof(net_sSanRemove) + (count - 1) * sizeof(rp->sid[0]));
if (rp == NULL) return;
tgt.nid = np->nid;
tgt.qix = net_cProcHandler;
for (
i = 0, ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancRem_lh);
ol != &np->sancRem_lh;
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancRem_lh)
) {
op = pool_Qitem(ol, gdb_sObject, u.c.sanc_ll);
rp->sid[i] = op->u.c.sanid;
i++;
pwr_Assert(op->u.c.flags.b.sancRem);
pool_Qremove(NULL, gdbroot->pool, &op->u.c.sanc_ll);
op->u.c.flags.b.sancRem = 0;
pwr_Assert((op->u.c.flags.m & gdb_mCo_inSancList) == 0);
pwr_Assert(np->sancRem_lc != 0);
np->sancRem_lc--;
#if 0
cvolc_TrimObject(op);
#endif
if (i >= count) {
rp->count = count;
gdb_Unlock;
net_Put(NULL, &tgt, rp, net_eMsg_sanRemove, 0, pwr_Offset(rp, sid[i]), 0);
gdb_Lock;
i = 0;
}
}
pwr_Assert(np->sancRem_lc == 0);
/* Send remaining san removes. */
if (i > 0) {
rp->count = count;
gdb_Unlock;
net_Put(NULL, &tgt, rp, net_eMsg_sanRemove, 0, pwr_Offset(rp, sid[i]), 0);
gdb_Lock;
}
free(rp);
}
void
sancm_FlushNode (
pwr_tStatus *status,
gdb_sNode *np
)
{
pool_sQlink *ol;
gdb_sObject *op;
if (status != NULL) *status = 1;
gdb_AssumeLocked;
for (
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancAdd_lh);
ol != &np->sancAdd_lh;
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancAdd_lh)
) {
op = pool_Qitem(ol, gdb_sObject, u.c.sanc_ll);
pwr_Assert(op->u.c.flags.b.sancAdd);
pool_Qremove(NULL, gdbroot->pool, &op->u.c.sanc_ll);
op->u.c.flags.b.sancAdd = 0;
pwr_Assert((op->u.c.flags.m & gdb_mCo_inSancList) == 0);
pwr_Assert(np->sancAdd_lc != 0);
np->sancAdd_lc--;
}
pwr_Assert(np->sancAdd_lc == 0);
for (
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancAct_lh);
ol != &np->sancAct_lh;
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancAct_lh)
) {
op = pool_Qitem(ol, gdb_sObject, u.c.sanc_ll);
pwr_Assert(op->u.c.flags.b.sancAct);
pool_Qremove(NULL, gdbroot->pool, &op->u.c.sanc_ll);
op->u.c.flags.b.sancAct = 0;
pwr_Assert((op->u.c.flags.m & gdb_mCo_inSancList) == 0);
pwr_Assert(np->sancAct_lc != 0);
np->sancAct_lc--;
}
pwr_Assert(np->sancAct_lc == 0);
for (
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancRem_lh);
ol != &np->sancRem_lh;
ol = pool_Qsucc(NULL, gdbroot->pool, &np->sancRem_lh)
) {
op = pool_Qitem(ol, gdb_sObject, u.c.sanc_ll);
pwr_Assert(op->u.c.flags.b.sancRem);
pool_Qremove(NULL, gdbroot->pool, &op->u.c.sanc_ll);
op->u.c.flags.b.sancRem = 0;
pwr_Assert((op->u.c.flags.m & gdb_mCo_inSancList) == 0);
pwr_Assert(np->sancRem_lc != 0);
np->sancRem_lc--;
}
pwr_Assert(np->sancRem_lc == 0);
return;
}
pwr_tUInt32 sansm_Update(gdb_sNode* np)
{
static net_sSanUpdate* up = NULL;
static san_sServer** spl = NULL;
int i;
pwr_tStatus sts;
pwr_tUInt32 gen;
pool_sQlink* sl;
san_sServer* sp;
qcom_sQid tgt;
gdb_AssumeLocked;
if (pool_QisEmpty(NULL, gdbroot->pool, &np->sansUpd_lh))
return 0;
if (up == NULL) {
up = malloc(sizeof(*up) + (net_cSanMaxUpdate - 1) * sizeof(up->data[0]));
spl = malloc(sizeof(san_sServer*) * net_cSanMaxUpdate);
}
for (i = 0, sl = pool_Qsucc(NULL, gdbroot->pool, &np->sansUpd_lh);
sl != &np->sansUpd_lh && i < net_cSanMaxUpdate; i++) {
sp = pool_Qitem(sl, san_sServer, sansUpd_ll);
sl = pool_Qsucc(NULL, gdbroot->pool, sl);
pwr_Assert(sp->flags.b.sansUpd);
up->data[i].al = sp->al;
up->data[i].sane = sp->sane;
spl[i] = sp;
}
up->count = i;
tgt.nid = np->nid;
tgt.qix = net_cProcHandler;
gen = np->sans_gen;
gdb_Unlock;
net_Put(&sts, &tgt, up, net_eMsg_sanUpdate, 0, pwr_Offset(up, data[i]), 0);
gdb_Lock;
if (EVEN(sts))
return 0;
if (gen == np->sans_gen) {
for (i = 0; i < up->count; i++) {
sp = spl[i];
pwr_Assert(sp->flags.b.sansUpd);
pool_Qremove(NULL, gdbroot->pool, &sp->sansUpd_ll);
sp->flags.b.sansUpd = 0;
}
} else {
for (i = 0; i < up->count; i++) {
sp = hash_Search(NULL, gdbroot->sans_ht, &up->data[i].sane.sid);
if (sp != NULL) {
pwr_Assert(sp->flags.b.sansUpd);
pool_Qremove(NULL, gdbroot->pool, &sp->sansUpd_ll);
sp->flags.b.sansUpd = 0;
}
}
}
return up->count;
}
void
subcm_Data (
qcom_sGet *get
)
{
pwr_tStatus sts;
pwr_tTime curtim;
pool_tRef mr;
sub_sMessage *mp;
pwr_tUInt32 refcount = 0;
pwr_tInt32 i;
sub_sClient *cp;
pool_tRef dr;
net_sSubData *dp;
void *adrs;
gdb_sNode *np;
net_sSubRemove *rp = NULL;
qcom_sQid tgt;
gdb_sCclass *ccp;
ndc_sRemoteToNative *tbl;
int rsize;
time_GetTime( &curtim);
gdb_AssumeUnlocked;
tgt.qix = net_cProcHandler;
gdb_ScopeLock {
/* Allocate space for, and store the message in the pool. */
mp = pool_Alloc(&sts, gdbroot->pool, sizeof(*mp) - sizeof(mp->msg) + get->size);
if (mp == NULL) break;
mr = pool_ItemReference(NULL, gdbroot->pool, mp);
memcpy(&mp->msg, get->data, get->size);
pool_Qinit(NULL, gdbroot->pool, &mp->subm_ll);
pool_QinsertPred(NULL, gdbroot->pool, &mp->subm_ll, &gdbroot->db->subm_lh);
gdbroot->db->subm_lc++;
np = hash_Search(&sts, gdbroot->nid_ht, &mp->msg.hdr.nid);
/* Check if message is corrupt */
dp = (net_sSubData *)&mp->msg.subdata;
for ( i=0; i < mp->msg.count; i++) {
if ( (char *)dp > (char *)&mp->msg + get->size || (char *)dp < (char *)&mp->msg) {
errh_Error( "Subscription client message corrupt");
gdb_Unlock;
return;
}
dp = (net_sSubData *)((unsigned long)&dp->data + dp->size);
}
/* Walk through every entry in the message buffer. */
for (
i=0,
dp = (net_sSubData *)&mp->msg.subdata,
dr = mr + offsetof(sub_sMessage, msg.subdata);
i < mp->msg.count;
i++,
dr += offsetof(net_sSubData, data) + (unsigned long)dp->size,
dp = (net_sSubData *)((unsigned long)&dp->data + dp->size)
) {
cp = hash_Search(&sts, gdbroot->subc_ht, &dp->sid);
if (cp == NULL) {
if (rp == NULL) {
rp = pool_Alloc(&sts, gdbroot->pool, sizeof(*rp)
+ ((mp->msg.count - 1) * sizeof(rp->sid[0])));
if (rp == NULL)
continue;
tgt.nid = mp->msg.hdr.nid;
}
rp->sid[rp->count++] = dp->sid;
continue;
}
/* If the client has an earlier reference to a message, then
remove that reference.
This can cause the old message to get disposed of. */
subc_RemoveFromMessage(cp);
/* Now start filling in the client according to the new
information we just received... */
memcpy(&cp->lastupdate, &curtim, sizeof(curtim));
cp->sts = dp->sts;
cp->count++;
if (ODD(dp->sts)) {
cp->old = FALSE; /* There is new, fresh, real data! */
cp->submsg = mr;
cp->subdata = dr;
refcount++;
if (1 || mp->msg.hdr.xdr) {
if (cp->cclass == pool_cNRef) {
gdb_sClass *classp;
cdh_uTypeId cid;
cid.pwr = cp->aref.Body;
cid.c.bix = 0; /* To get the class id. */
classp = hash_Search(&sts, gdbroot->cid_ht, &cid.pwr);
rsize = dp->size;
if (classp != NULL)
ndc_ConvertData(&sts, np, classp, &cp->aref, dp->data, dp->data, (pwr_tUInt32 *)&rsize, ndc_eOp_decode, cp->aref.Offset, 0);
}
else {
cp->old = TRUE;
ccp = pool_Address(&cp->sts, gdbroot->pool, cp->cclass);
if (ccp != NULL) {
tbl = pool_Address(&cp->sts, gdbroot->pool, ccp->rnConv);
if (tbl != NULL) {
rsize = dp->size;
ndc_ConvertRemoteData(&cp->sts, np, ccp, &cp->raref, dp->data, dp->data, (pwr_tUInt32 *)&rsize, ndc_eOp_decode, cp->raref.Offset, 0);
if (ODD(cp->sts))
cp->old = FALSE;
}
}
}
/* !!! Todo !!! Error handling. */
}
/* If the userdata field contains a valid pool_tRef, then
copy the data. This poolref is resolved in RTDB! */
if (cp->userdata != pool_cNRef) {
adrs = pool_Address(NULL, gdbroot->rtdb, cp->userdata);
if (adrs != NULL) {
if (cp->cclass == pool_cNRef)
memcpy(adrs, dp->data, MIN(dp->size, cp->usersize));
else if (!cp->old) {
pwr_tUInt32 size = cp->usersize;
pwr_tBoolean first = 1;
ndc_ConvertRemoteToNativeTable(&cp->sts, ccp, tbl, &cp->raref, &cp->aref, adrs, dp->data, &size,
cp->aref.Offset, 0, 0, &first, np->nid);
if (EVEN(cp->sts))
cp->old = TRUE;
}
}
}
}
}
/* Fill in count as the # of references in the 'message' header. This
is the # of references that have to be removed before the 'message'
can be returned to pool. If there are no references to the 'message'
just dispose it! */
if (refcount != 0) {
mp->msg.count = refcount;
} else {
pool_Qremove(NULL, gdbroot->pool, &mp->subm_ll);
gdbroot->db->subm_lc--;
pool_Free(NULL, gdbroot->pool, mp);
}
} gdb_ScopeUnlock;
if (rp != NULL) {
tgt = np->handler;
net_Put(NULL, &tgt, rp, net_eMsg_subRemove, 0, pwr_Offset(rp, sid[rp->count]), 0);
#if 0
errh_Info("Removed %d subscriptions", rp->count - 1);
#endif
pool_Free(NULL, gdbroot->pool, rp);
}
}
void
subc_ActivateList (
pool_sQlink *lh,
pwr_tObjid oid
)
{
pwr_tStatus sts;
tree_sTable *add;
#if 0
tree_sTable *remove;
sRemove *rep;
#endif
net_sSubSpec *specp;
qcom_sQid tgt;
pool_sQlink *my_lh;
pwr_tUInt32 my_subc_lc;
gdb_sNode *np;
gdb_sNode *old_np;
sub_sClient *cp;
pool_sQlink *cl;
sAdd *aep;
/* Test each client. If existing object, fill in nid field
and move the client to the appropriate nodes's subc_lh list. Turn
on timeouts. Put request in subadd message buffer.
We must do it all in one pass, since a user can come in during
a cache query for a later subcli and cancel the subscription
for an earlier subcli. */
add = tree_CreateTable(&sts, sizeof(pwr_tNodeId), offsetof(sAdd, nid),
sizeof(sAdd), 10, tree_Comp_nid);
#if 0
remove = tree_CreateTable(&sts, sizeof(pwr_tNodeId), offsetof(sRemove, nid),
sizeof(sRemove), 10, tree_eComp_nid);
#endif
/* Move all objects to a new, temporary root */
my_lh = pool_Qalloc(NULL, gdbroot->pool);
my_subc_lc = 0;
for (cl = pool_Qsucc(NULL, gdbroot->pool, lh); cl != lh;) {
cp = pool_Qitem(cl, sub_sClient, subc_ll);
cl = pool_Qsucc(NULL, gdbroot->pool, cl);
if (cdh_ObjidIsNull(oid) || cdh_ObjidIsEqual(oid, cp->aref.Objid)) {
pool_Qremove(NULL, gdbroot->pool, &cp->subc_ll);
pool_QinsertPred(NULL, gdbroot->pool, &cp->subc_ll, my_lh);
my_subc_lc++;
}
}
/* Now start testing clients from 'my_lh', and move them to other lists
Make sure the clients are still there after the test. */
for (cl = pool_Qsucc(NULL, gdbroot->pool, my_lh); cl != my_lh; ) {
cp = pool_Qitem(cl, sub_sClient, subc_ll);
cl = pool_Qsucc(NULL, gdbroot->pool, cl);
np = testClient(&sts, cp);
/* If an error is returned the client doesn't exist anymore. Some
other user removed it while TestSubcli had the database unlocked.
Just go on with the next client... */
if (np == NULL) continue;
/* Move the client to the list for the node where the object resides.
nid = pwr_cNNodeId is used for all objects we don't know. */
old_np = hash_Search(&sts, gdbroot->nid_ht, &cp->nid);
if (old_np == NULL) errh_Bugcheck(GDH__WEIRD, "");
pool_Qremove(NULL, gdbroot->pool, &cp->subc_ll);
old_np->subc_lc--;
pool_QinsertPred(NULL, gdbroot->pool, &cp->subc_ll, &np->subc_lh);
np->subc_lc++;
cp->nid = np->nid;
/* If the object's nid changed, then take the appropriate actions. */
if (np != old_np) {
if (np->nid != pwr_cNNodeId) { /* Object is known. */
activateTimeoutWatch(cp);
aep = tree_Insert(&sts, add, &np->nid);
if (aep == NULL) errh_Bugcheck(GDH__WEIRD, "");
if (aep->msg == NULL) {
aep->cnt = MIN(my_subc_lc, net_cSubMaxAdd);
aep->msg = malloc(sizeof(net_sSubAdd) + sizeof(net_sSubSpec) * aep->cnt);
aep->msg->count = 0;
} /* If there was no message allocated */
specp = &aep->msg->spec[aep->msg->count];
specp->sid = cp->sid;
specp->dt = cp->dt;
specp->sub_by_name = cp->sub_by_name;
specp->aref = cp->cclass != pool_cNRef ? cp->raref : cp->aref;
if (++aep->msg->count >= aep->cnt) {
/* The message buffer is full and must be sent. */
tgt = np->handler;
pwr_Assert(tgt.nid != pwr_cNNodeId);
gdb_Unlock;
net_Put(NULL, &tgt, aep->msg, net_eMsg_subAdd, 0, pwr_Offset(aep->msg, spec[aep->msg->count]), 0);
gdb_Lock;
aep->msg->count = 0;
}
} else { /* The object became unknown... */
cancelTimeoutWatch(cp);
subc_SetOld(cp); /* Data gets old immediately */
#if 0
/** @todo Maybe we should unlock the cached class? */
if (cp->cclass != pwr_cNRefId) {
ccp = pool_Address(NULL, gdbroot->pool, cp->cclass);
if (ccp == NULL) errh_Bugcheck(GDH__WEIRD, "Cached class address");
cmvolc_UnlockClass(NULL, ccp);
cp->cclass = pwr_cNRefId;
}
#endif
#if 0
if (old_np->nid != pwr_cNNodeId) {
rep = tree_Insert(&sts, remove, &old_np->nid);
if (rep == NULL) errh_Bugcheck(GDH__WEIRD, "");
if (rep->msg == NULL) {
rep->nid = old_np->nid;
rep->cnt = MIN(my_subc_lc, net_cSubMaxRemove);
rep->msg = malloc(sizeof(net_sSubRemove) + sizeof(rep->msg->sid[0]) * rep->cnt);
rep->msg->count = 0;
}
rep->msg->sid[rep->msg->count++] = cp->sid;
if (rep->msg->count >= net_cSubMaxRemove) {
np = hash_Search(&sts, gdbroot->nid_ht, &old_np->nid);
if (np == NULL) errh_Bugcheck(sts, "");
tgt.nid = rep->nid;
pwr_Assert(tgt.nid != pwr_cNNodeId);
gdb_Unlock;
net_Put(NULL, &tgt, rep->msg, net_eMsg_subRemove, 0, pwr_Offset(rep->msg, sid[rep->msg->count]), 0);
gdb_Lock;
rep->msg->count = 0;
}
}
#endif
}
}
}
pool_Free(NULL, gdbroot->pool, my_lh);
/* Now walk through the addmsg & remmsg and send all unsent messages. */
gdb_Unlock;
#if 0
for (rep = tree_Minimum(remove); rep != NULL; rep = tree_Successor(remove, rep)) {
if (rep->msg != NULL) {
if (rep->msg->count > 0) {
tgt.nid = rep->nid;
pwr_Assert(tgt.nid != pwr_cNNodeId);
net_Put(NULL, &tgt, rep->msg, net_eMsg_subRemove, 0, pwr_Offset(rep->msg, sid[rep->msg->count]), 0);
}
free(rep->msg);
}
}
#endif
for (aep = tree_Minimum(&sts, add); aep != NULL; aep = tree_Successor(&sts, add, aep)) {
if (aep->msg != NULL) {
if (aep->msg->count > 0) {
np = hash_Search(&sts, gdbroot->nid_ht, &aep->nid);
if (np == NULL) errh_Bugcheck(GDH__WEIRD, "");
tgt = np->handler;
pwr_Assert(tgt.nid != pwr_cNNodeId);
net_Put(NULL, &tgt, aep->msg, net_eMsg_subAdd, 0, pwr_Offset(aep->msg, spec[aep->msg->count]), 0);
}
free(aep->msg);
}
}
gdb_Lock;
tree_DeleteTable(&sts, add);
#if 0
tree_DeleteTable(remove);
#endif
}