mirror of git://git.psyced.org/git/psyced
245 lines
7.1 KiB
OpenEdge ABL
245 lines
7.1 KiB
OpenEdge ABL
// included by TCP circuit *and* UDP daemon // vim:syntax=lpc
|
|
|
|
void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
|
string vname;
|
|
mixed vop; // value operation
|
|
string t;
|
|
mapping vars;
|
|
string family;
|
|
int glyph;
|
|
|
|
// check that method is a valid keyword
|
|
if (method && !legal_keyword(method)) {
|
|
DISPATCHERROR("non legal method");
|
|
}
|
|
#ifdef PSYC_TCP
|
|
// copy() + occasional double modifier ops should be more
|
|
// efficient than merge at every packet --lynX
|
|
// no one cares about "efficiency" here. please proof your
|
|
// bold statements with benchmarks anyway
|
|
vars = header_vars + instate;
|
|
#else
|
|
vars = header_vars;
|
|
#endif
|
|
|
|
// FIXME: this can happen earlier, e.g. in parse.c after
|
|
// process_header
|
|
// check _source/_context
|
|
// this check can be skipped if _source and _context are empty
|
|
if ((t = vars["_context"] || vars["_source"])) {
|
|
array(mixed) u;
|
|
unless (u = parse_uniform(t)) {
|
|
DISPATCHERROR("logical source is not a uniform\n")
|
|
}
|
|
#ifdef USE_VERIFICATION
|
|
# ifdef PSYC_TCP
|
|
unless (qAuthenticated(NAMEPREP(u[UHost]))) {
|
|
DISPATCHERROR("non-authenticated host\n")
|
|
}
|
|
# else
|
|
// TODO?
|
|
# endif
|
|
#endif
|
|
}
|
|
// check that _target is hosted by us
|
|
// this check can be skipped if _target is not set
|
|
if ((t = vars["_target"])) {
|
|
array(mixed) u;
|
|
unless (u = parse_uniform(t)) {
|
|
DISPATCHERROR("target is not an uniform\n")
|
|
}
|
|
// FIXME relaying support here?
|
|
if (!is_localhost(u[UHost])) {
|
|
DISPATCHERROR("target is not configured on this server\n")
|
|
}
|
|
}
|
|
// FIXME: i dont like this block... maybe we decode each variable
|
|
// when setting it?
|
|
// that would also fit with 0 as varname deletion
|
|
// below
|
|
foreach(vop : varops) {
|
|
vname = vop[0];
|
|
|
|
// psyc type conversion implementation ( http://about.psyc.eu/Type )
|
|
// this does not support register_type() yet, but it is feasible
|
|
PSYC_TRY(vname) {
|
|
case "_uniform":
|
|
case "_page":
|
|
case "_entity":
|
|
// TODO: check legal uniform
|
|
break;
|
|
case "_nick":
|
|
// TODO: check legal nick
|
|
break;
|
|
case "_degree":
|
|
// only honour the first digit
|
|
if (strlen(vop[2]) && vop[2][0] >= '0' && vop[2][0] <= '9')
|
|
vop[2] = vop[2][0] - '0';
|
|
else {
|
|
PT(("type parser _degree: could not handle value %O\n",
|
|
vop[2]))
|
|
vop[2] = 0;
|
|
}
|
|
break;
|
|
case "_date":
|
|
vop[2] = to_int(vop[2]) + PSYC_EPOCH;
|
|
break;
|
|
case "_time":
|
|
case "_amount":
|
|
vop[2] = to_int(vop[2]);
|
|
break;
|
|
case "_list":
|
|
mixed plist = list_parse(vop[2]);
|
|
if (plist == -1) {
|
|
DISPATCHERROR("could not parse list");
|
|
}
|
|
vop[2] = plist;
|
|
break;
|
|
PSYC_SLICE_AND_REPEAT
|
|
}
|
|
}
|
|
|
|
// FIXME deliver packet
|
|
// this should be a separate function
|
|
PT(("SPYC vars is %O\n", vars))
|
|
PT(("SPYC method %O\nbody %O\n", method, body))
|
|
// delivery rules as usual, but
|
|
if (vars["_context"]) {
|
|
mixed context;
|
|
mixed context_state;
|
|
mixed source, target;
|
|
|
|
if (vars["_source"]) {
|
|
P0(("invalid _context %O with _source %O\n",
|
|
context, vars["_source"]))
|
|
DISPATCHERROR("invalid usage of context with _source");
|
|
}
|
|
|
|
context = find_context(vars["_context"]);
|
|
if (!objectp(context)) {
|
|
P0(("context %O not found?!\n", vars["_context"]))
|
|
return;
|
|
}
|
|
context_state = context->get_state();
|
|
|
|
// apply varops to context state
|
|
foreach(vop : varops) {
|
|
vname = vop[0];
|
|
if (!legal_keyword(vname) || abbrev("_INTERNAL", vname)) {
|
|
DISPATCHERROR("illegal varname in psyc")
|
|
}
|
|
|
|
switch(vop[1]) { // the glyph
|
|
case C_GLYPH_MODIFIER_SET:
|
|
vars[vname] = vop[2];
|
|
break;
|
|
case C_GLYPH_MODIFIER_ASSIGN:
|
|
vars[vname] = context_state[vname] = vop[2];
|
|
break;
|
|
case C_GLYPH_MODIFIER_AUGMENT:
|
|
if (!abbrev("_list", vname)) {
|
|
DISPATCHERROR("psyc modifier + with non-list arg")
|
|
}
|
|
// FIXME: duplicates?
|
|
context_state[vname] += vop[2];
|
|
PT(("current state is %O, augment %O\n", context_state[vname], vop[2]))
|
|
break;
|
|
case C_GLYPH_MODIFIER_DIMINISH:
|
|
if (!abbrev("_list", vname)) {
|
|
DISPATCHERROR("psyc modifier + with non-list arg")
|
|
}
|
|
PT(("current state is %O, diminish %O\n", context_state[vname], vop[2]))
|
|
foreach(mixed item : vop[2])
|
|
context_state[vname] -= ({ item });
|
|
PT(("after dim: %O\n", context_state[vname]))
|
|
break;
|
|
case C_GLYPH_MODIFIER_QUERY:
|
|
DISPATCHERROR("psyc modifier ? not implemented")
|
|
break;
|
|
}
|
|
}
|
|
vars = vars + context_state;
|
|
// FIXME: is it legal to do this if this has _target?
|
|
// there should be no mods then anyway
|
|
context->commit_state(context_state);
|
|
|
|
if (vars["_target"]) {
|
|
// FIXME: delivery copycat from below
|
|
// beware: source is set to 0 here as it may not be present
|
|
target = find_psyc_object(parse_uniform(vars["_target"]));
|
|
PT(("target is %O\n", target))
|
|
// FIXME: net/entity can not yet deal with 0 method
|
|
//
|
|
if (objectp(context)) {
|
|
context->msg(0, method || "", body, vars, 0, target);
|
|
} else {
|
|
// FIXME: proper croak back to sender here
|
|
P0(("context %O for unicast to %O not found???\n", target))
|
|
}
|
|
} else {
|
|
if (vars["_source_relay"]) {
|
|
mixed localrelay;
|
|
if ((localrelay = psyc_object(vars["_source_relay"]))) {
|
|
P0(("local relay %O\n", localrelay))
|
|
vars["_source_relay"] = localrelay;
|
|
} else { // NORMALIZE UNIFORM
|
|
vars["_source_relay"] = lower_case(vars["_source_relay"]);
|
|
}
|
|
}
|
|
if (objectp(context)) {
|
|
// do we need more local object detection here?
|
|
context -> castmsg(source, method || "", body, vars);
|
|
} else {
|
|
// empty contexts are not bad currently
|
|
// in the current implementation it only means that no one
|
|
// interested in that context is online right now
|
|
// FIXME: lines above are about the old stuff where we did
|
|
// not have context state
|
|
}
|
|
}
|
|
} else {
|
|
if (!vars["_target"] && !vars["_source"]) {
|
|
#ifdef PSYC_TCP
|
|
circuit_msg(method, vars, body);
|
|
#else
|
|
P1(("Ignoring a rootMsg from UDP: %O,%O,%O\n", method, vars, body))
|
|
#endif
|
|
} else {
|
|
string source;
|
|
mixed target;
|
|
if (!vars["_source"]) {
|
|
// FIXME: where to set netloc in active
|
|
if (!netloc) { // set in sender after _request_features
|
|
// FIXME: this is wrong
|
|
DISPATCHERROR("Did you forget to request circuit features?");
|
|
}
|
|
source = netloc;
|
|
} else {
|
|
// FIXME: a macro NORMALIZE_UNIFORM that may do lower_case please
|
|
// not a simple lower_case
|
|
source = lower_case(vars["_source"]);
|
|
}
|
|
// source was checked either via x509 or dns before
|
|
// so it is 'safe' to do this
|
|
register_target(source);
|
|
|
|
// deliver FIXME same code above
|
|
if (!vars["_target"]) {
|
|
target = find_object(NET_PATH "root");
|
|
} else {
|
|
target = find_psyc_object(parse_uniform(vars["_target"]));
|
|
}
|
|
PT(("target is %O\n", target))
|
|
// FIXME: net/entity can not yet deal with 0 method
|
|
if (objectp(target))
|
|
target->msg(source, method || "", body, vars);
|
|
else {
|
|
// FIXME: proper croak back to sender here
|
|
P0(("target %O not found???\n", target))
|
|
}
|
|
}
|
|
}
|
|
::dispatch(header_vars, varops, method, body);
|
|
}
|
|
|