int PNode_decrementSize(PNode *self)
{
if (PNode_size(self))
{
return PNode_setSize_(self, PNode_size(self) - 1);
}
else
{
printf("PNode warning: attempt to decrement pnode size of zero at pid path: %s\n", Datum_data(self->pidPath));
}
return 0;
}
int VertexServer_api_show(VertexServer *self)
{
PNode *node = PDB_allocNode(self->pdb);
if (VertexServer_api_setCursorPathOnNode_(self, node)) return 2;
Datum_appendLong_(self->result, (long)PNode_size(node));
return 0;
}
int PNode_op_rm(PNode *self, Datum *d)
{
PQuery *q = PNode_startQuery(self);
Datum *k;
long size = PNode_size(self);
long removeCount = 0;
if(!q) PNode_first(self);
while (k = PQuery_key(q))
{
PDB_willWrite(self->pdb);
if(!StoreCursor_remove(self->storeCursor)) break;
// HACK to avoid skipping a step by backing up in the reverse enum direction before calling PQuery_enumerate
if(PQuery_stepDirection(q) == 1)
{
StoreCursor_previous(self->storeCursor);
}
removeCount ++;
//count += PNode_removeAt_(self, k);
PQuery_enumerate(q);
}
PNode_setSize_(self, size - removeCount);
yajl_gen_integer(self->yajl, removeCount);
Datum_appendYajl_(d, self->yajl);
//Datum_appendLong_(d, removeCount);
return 0;
}
int PNode_op_sizes(PNode *self, Datum *d)
{
PNode *tmpNode = PDB_allocNode(self->pdb);
Datum *k;
PQuery *q = PNode_startQuery(self);
yajl_gen_map_open(self->yajl);
while (k = PQuery_key(q))
{
if(!Datum_beginsWithCString_(k, "_"))
{
yajl_gen_datum(self->yajl, PNode_key(self));
PNode_setPid_(tmpNode, PNode_value(self));
yajl_gen_integer(self->yajl, PNode_size(tmpNode));
}
if (q) { PQuery_enumerate(q); } else { PNode_next(self); }
}
yajl_gen_map_close(self->yajl);
Datum_appendYajl_(d, self->yajl);
return 0;
}
long PNode_nodeSizeAtCursor(PNode *self)
{
// carefull - this temporarilly hacks the sizePath
long size;
Datum *otherPid = PNode_value(self);
Datum_copy_(self->sizePath, otherPid);
Datum_appendCString_(self->sizePath, "/m/size");
size = PNode_size(self);
PNode_setPathsFromPid(self);
return size;
}
int PNode_incrementSize(PNode *self)
{
long n = PNode_size(self) + 1;
return PNode_setSize_(self, n);
}
int VertexServer_api_amchart(VertexServer *self)
{
Datum *slot1 = HttpRequest_queryValue_(self->httpRequest, "slot1");
//Datum *slot2 = HttpRequest_queryValue_(self->httpRequest, "slot2");
//Datum *slot3 = HttpRequest_queryValue_(self->httpRequest, "slot3");
Datum *subpath = HttpRequest_queryValue_(self->httpRequest, "subpath");
PNode *node = PDB_allocNode(self->pdb);
PQuery *q = PNode_query(node);
VertexServer_setupPQuery_(self, q);
PNode *tmpNode = PDB_allocNode(self->pdb);
Datum *d = self->result;
Datum *title = 0x0;
//int isFirst = 1;
if (PNode_moveToPathIfExists_(node, HttpRequest_uriPath(self->httpRequest)) != 0)
{
VertexServer_setErrorCString_(self, "path does not exist: ");
VertexServer_appendError_(self, HttpRequest_uriPath(self->httpRequest));
return -1;
}
Datum_appendCString_(d, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
Datum_appendCString_(d, "<chart approx_count=\"");
// series -----------------
if(Datum_size(subpath)) PNode_moveToPathIfExists_(node, subpath);
Datum_appendLong_(d, PNode_size(node));
Datum_appendCString_(d, "\">\n");
PNode_startQuery(node);
PNode_amSeries(node, d);
PNode_moveToPathIfExists_(node, HttpRequest_uriPath(self->httpRequest));
// series -----------------
Datum_appendCString_(d, "<graphs>\n");
PNode_first(node);
if(Datum_size(subpath))
{
Datum *k;
while(k = PNode_key(node))
{
Datum *title = Datum_poolNew();
PNode_setPid_(tmpNode, PNode_value(node));
PNode_moveToSubpathIfExists_(tmpNode, subpath);
Datum_encodeUri(k);
Datum_copy_(title, k);
//Datum_appendCString_(title, "-");
//Datum_append_(title, slot1);
PNode_amGraphKey_(tmpNode, title, slot1, d);
//printf("graph: %s\n", Datum_data(k));
PNode_next(node);
}
}
else if(Datum_size(slot1))
{
char slotKey[64];
int slotNumber = 1;
for (;;)
{
sprintf(slotKey, "slot%i", slotNumber);
Datum *slotName = HttpRequest_queryValue_(self->httpRequest, slotKey);
if(Datum_size(slotName) == 0) break;
PNode_amGraphKey_(node, title, slotName, d);
slotNumber ++;
}
}
Datum_appendCString_(d, "</graphs>\n");
Datum_appendCString_(d, "</chart>\n");
HttpResponse_setContentType_(self->httpResponse, "text/xml");
//HttpResponse_setContentType_(self->httpResponse, "text/xml; charset=utf-8");
return 0;
}
