Upcall.ccn_upcall_res WriteCallback(IntPtr selfp, Upcall.ccn_upcall_kind kind, IntPtr info)
{
print("WriteCallback... " + kind);
Upcall.ccn_upcall_res ret = Upcall.ccn_upcall_res.CCN_UPCALL_RESULT_OK;
Egal.ccn_upcall_info Info = new Egal.ccn_upcall_info();
Info = (Egal.ccn_upcall_info)Marshal.PtrToStructure(info, typeof(Egal.ccn_upcall_info));
IntPtr h = Info.h;
Egal.ccn_closure Selfp = new Egal.ccn_closure();
Selfp = (Egal.ccn_closure)Marshal.PtrToStructure(selfp, typeof(Egal.ccn_closure));
NormalStruct Data = new NormalStruct();
Data = (NormalStruct)Marshal.PtrToStructure(Selfp.data, typeof(NormalStruct));
switch (kind)
{
case Upcall.ccn_upcall_kind.CCN_UPCALL_FINAL:
// Marshal.FreeHGlobal(selfp); // this again, will make Unity crash
break;
case Upcall.ccn_upcall_kind.CCN_UPCALL_INTEREST:
PutContent(h, Data); // publish content
ret = Upcall.ccn_upcall_res.CCN_UPCALL_RESULT_INTEREST_CONSUMED;
break;
case Upcall.ccn_upcall_kind.CCN_UPCALL_CONTENT:
// repo first returns a content...
// this is info of the repo...
break;
default:
ret = Upcall.ccn_upcall_res.CCN_UPCALL_RESULT_ERR;
break;
}
// print ("ref count: " + Selfp.refcount);
// print ("WriteCallback returnning..." + ret);
return(ret);
}
void WriteToRepo(IntPtr h, System.String name, System.String content)
{
print("Writing " + name + " to repo: " + content);
int res;
IntPtr cb = Egal.ccn_charbuf_create();
IntPtr nm = Egal.ccn_charbuf_create();
IntPtr cmd = Egal.ccn_charbuf_create();
Egal.ccn_name_from_uri(nm, name);
Egal.ccn_create_version(h, nm, VersioningFlags.CCN_V_NOW, 0, 0);
NormalStruct Data = new NormalStruct(nm, cb, h, content.Length, content);
IntPtr pData = Marshal.AllocHGlobal(Marshal.SizeOf(Data));
Marshal.StructureToPtr(Data, pData, true);
IntPtr template = Egal.SyncGenInterest(IntPtr.Zero, 1, 4, -1, -1, IntPtr.Zero);
Egal.ccn_closure Action = new Egal.ccn_closure(WriteCallback, pData, 0);
IntPtr pnt = Marshal.AllocHGlobal(Marshal.SizeOf(Action));
Marshal.StructureToPtr(Action, pnt, true);
res = Egal.ccn_set_interest_filter(h, nm, pnt); // listen: interest
res = Egal.ccn_charbuf_append_charbuf(cmd, nm);
res = Egal.ccn_name_from_uri(cmd, "%C1.R.sw");
Egal.ccn_name_append_nonce(cmd);
counter_for_run++;
res = Egal.ccn_set_run_timeout(h, 0);
Egal.ccn_express_interest(h, cmd, pnt, template); // express interest
counter_for_run--;
return;
}
int RegisterInterestFilter(IntPtr h, string name)
{
int res = 0;
IntPtr nm = Egal.ccn_charbuf_create();
res = Egal.ccn_name_from_uri(nm, name);
if (res < 0)
{
return(res);
}
NormalStruct State = new NormalStruct(nm, IntPtr.Zero, h, 0, "");
IntPtr pState = Marshal.AllocHGlobal(Marshal.SizeOf(State));
Marshal.StructureToPtr(State, pState, true);
Egal.ccn_closure Action = new Egal.ccn_closure(PublishState, pState, 0);
IntPtr pAction = Marshal.AllocHGlobal(Marshal.SizeOf(Action));
Marshal.StructureToPtr(Action, pAction, true);
res = Egal.ccn_set_interest_filter(h, nm, pAction);
return(res);
}
void WriteToRepo(System.String name, System.String content)
{
print ("Writing " + name + " to repo: " + content);
int res;
IntPtr h = GetHandle();
IntPtr cb = Egal.ccn_charbuf_create();
IntPtr nm = Egal.ccn_charbuf_create();
IntPtr cmd = Egal.ccn_charbuf_create();
Egal.ccn_name_from_uri(nm, name);
Egal.ccn_create_version(h, nm, VersioningFlags.CCN_V_NOW, 0, 0);
NormalStruct Data = new NormalStruct(nm, cb, h, content.Length, content);
IntPtr pData = Marshal.AllocHGlobal(Marshal.SizeOf(Data));
Marshal.StructureToPtr(Data, pData, true);
IntPtr template = Egal.SyncGenInterest(IntPtr.Zero, 1, 4, -1, -1, IntPtr.Zero);
Egal.ccn_closure Action = new Egal.ccn_closure(WriteCallback, pData, 0);
IntPtr pnt = Marshal.AllocHGlobal(Marshal.SizeOf(Action));
Marshal.StructureToPtr(Action, pnt, true);
res = Egal.ccn_set_interest_filter(h, nm, pnt); // listen: interest
res = Egal.ccn_charbuf_append_charbuf(cmd, nm);
res = Egal.ccn_name_from_uri(cmd, "%C1.R.sw");
Egal.ccn_name_append_nonce(cmd);
Egal.ccn_express_interest(h, cmd, pnt, template); // express interest
Egal.ccn_run(h,-1);
Egal.ccn_destroy(ref h);
}
Upcall.ccn_upcall_res WriteCallback(IntPtr selfp, Upcall.ccn_upcall_kind kind, IntPtr info)
{
print("WriteCallback... " + kind);
Upcall.ccn_upcall_res ret = Upcall.ccn_upcall_res.CCN_UPCALL_RESULT_OK;
Egal.ccn_upcall_info Info = new Egal.ccn_upcall_info();
Info = (Egal.ccn_upcall_info)Marshal.PtrToStructure(info, typeof(Egal.ccn_upcall_info));
IntPtr h = Info.h;
Egal.ccn_closure Selfp = new Egal.ccn_closure();
Selfp = (Egal.ccn_closure)Marshal.PtrToStructure(selfp, typeof(Egal.ccn_closure));
NormalStruct Data = new NormalStruct();
Data = (NormalStruct) Marshal.PtrToStructure(Selfp.data, typeof(NormalStruct));
switch(kind)
{
case Upcall.ccn_upcall_kind.CCN_UPCALL_FINAL:
// Marshal.FreeHGlobal(selfp); // this again, will make Unity crash
break;
case Upcall.ccn_upcall_kind.CCN_UPCALL_INTEREST:
// print ("put content handle: " + h + ", content: " + Data.value);
int res = PutContent(h, Data);
if(res >= 0)
{
ret = Upcall.ccn_upcall_res.CCN_UPCALL_RESULT_INTEREST_CONSUMED;
Egal.ccn_set_run_timeout(h, 0);
}
else
print("put content error");
break;
case Upcall.ccn_upcall_kind.CCN_UPCALL_CONTENT:
// repo first returns a content...
// this is info of the repo...
break;
default:
ret = Upcall.ccn_upcall_res.CCN_UPCALL_RESULT_ERR;
break;
}
// print ("ref count: " + Selfp.refcount);
// print ("WriteCallback returnning..." + ret);
return ret;
}
static void ReadFromRepo(string dst)
{
print("Reading from the repo.");
IntPtr ccn = GetHandle();
IntPtr nm = Egal.ccn_charbuf_create();
Egal.ccn_name_from_uri(nm,dst);
Egal.ccn_create_version(ccn, nm, VersioningFlags.CCN_V_LOW, 0, 0); // without version, Unity crashes!
//CCN_V_LOW might be right, might not!
NormalStruct Data = new NormalStruct(nm, IntPtr.Zero, IntPtr.Zero, 0, "");
IntPtr pData = Marshal.AllocHGlobal(Marshal.SizeOf(Data));
Marshal.StructureToPtr(Data, pData, true);
IntPtr template = Egal.SyncGenInterest(IntPtr.Zero, 1, 4, -1, -1, IntPtr.Zero);
Egal.ccn_closure Action = new Egal.ccn_closure(ReadCallback, pData, 0);
IntPtr pnt = Marshal.AllocHGlobal(Marshal.SizeOf(Action));
Marshal.StructureToPtr(Action, pnt, true);
Egal.ccn_express_interest(ccn,nm,pnt,template);
Egal.ccn_run(ccn,-1);
Egal.ccn_destroy(ref ccn);
}
// ExpressInterest()
// takes handle, name, callback and template
public static int ExpressInterest(IntPtr ccn, string name, Egal.ccn_handler callback, IntPtr pData, IntPtr template)
{
IntPtr nm = Egal.ccn_charbuf_create();
Egal.ccn_name_from_uri(nm,name);
Egal.ccn_closure Action = new Egal.ccn_closure(callback, pData, 0);
IntPtr pnt = Marshal.AllocHGlobal(Marshal.SizeOf(Action));
Marshal.StructureToPtr(Action, pnt, true);
Egal.ccn_express_interest(ccn,nm,pnt,template);
return 0;
}
