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-rw-r--r--src/library/gc/object.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/src/library/gc/object.c b/src/library/gc/object.c
new file mode 100644
index 0000000..59b986b
--- /dev/null
+++ b/src/library/gc/object.c
@@ -0,0 +1,178 @@
+#include <gc/server.h>
+#include <gm/method.h>
+#include <gc/mem.h>
+
+Server procServer;
+static Server* servers = 0;
+
+static method_handler getHandler(Server *o, uint32_t m);
+static struct method_ret checkIfHandles(struct method_data *d);
+
+void objsrv_init() {
+ procServer.id = 0;
+ procServer.methods = 0;
+ procServer.next = 0;
+ procServer.data = 0;
+ servers = &procServer;
+ srv_addHandler(&procServer, M_HANDLECHECK_BIVV, checkIfHandles);
+}
+
+void srv_handleAll() {
+ Server *i = servers;
+ while (i) {
+ srv_handle(i, HA_ONCE);
+ i = i->next;
+ }
+}
+
+void srv_handle(Server *o, int act) {
+ int i;
+
+ if (act == HA_LOOP) {
+ while (1) srv_handle(o, HA_WAIT);
+ } else {
+ struct user_request rq;
+ int v = request_get(o->id, &rq, (act == HA_WAIT));
+ if (v == 0) {
+ method_handler m = getHandler(o, rq.func);
+ if (m == 0) {
+ if (rq.isBlocking) {
+ request_answer(o->id, 0, 0, ME_UNHANDLED);
+ }
+ } else {
+ struct method_data md;
+ md.func = rq.func;
+ md.blocking = rq.isBlocking;
+ md.obj = o;
+ //get parameters
+ for (i = 0; i < 3; i++) {
+ md.parameters[i].type = (rq.func >> (28 - (2 * i))) & 3;
+ switch (md.parameters[i].type) {
+ case PT_LONG:
+ case PT_OBJDESC:
+ md.parameters[i].val.i = rq.params[i];
+ break;
+ case PT_SHM: //all the fuss about keepShm only applies to messages.
+ md.parameters[i].keepShm = 1; //if local memory or if nothing, do not unmap it
+ if (rq.params[i] == 0) { //TODO : map shm (shm manager) !!!
+ md.parameters[i].val.p = 0;
+ //md.parameters[i].keepShm = 0; //we had to map it, so mark it to be unmapped
+ } else {
+ md.parameters[i].val.p = (void*)rq.params[i];
+ }
+ break;
+ }
+ }
+
+ struct method_ret ret = m(&md); //Call method
+ if (rq.isBlocking) {
+ uint32_t a = 0, b = 0;
+ if (ret.type == PT_OBJDESC || ret.type == PT_LONG) a = ret.i;
+ if (ret.type == PT_LONGLONG) a = (uint32_t)ret.l, b = (uint32_t)((uint64_t)ret.l >> 32);
+ request_answer(o->id, a, b, ret.status);
+ } else {
+ for (i = 0; i < 3; i++) {
+ if (md.parameters[i].type == PT_SHM && md.parameters[i].keepShm == 0) {
+ //TODO : unmap shm
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+void srv_addHandler(Server* o, uint32_t method, method_handler h) {
+ struct method_srv *s = malloc(sizeof(struct method_srv));
+ s->id = method;
+ s->h = h;
+ s->next = o->methods;
+ o->methods = s;
+}
+
+Server *srv_create() {
+ Server *s = malloc(sizeof(Server));
+ s->id = object_create();
+ s->methods = 0;
+ s->data = 0;
+ s->next = servers;
+ srv_addHandler(s, M_HANDLECHECK_BIVV, checkIfHandles);
+ servers = s;
+ return s;
+}
+
+void srv_delete(Server* s) {
+ //remove s from servers
+ if (servers == s) {
+ servers = s->next;
+ } else {
+ Server *i = servers;
+ while (i->next != 0) {
+ if (i->next == s) {
+ i->next = s->next;
+ break;
+ }
+ i = i->next;
+ }
+ }
+ //close s
+ object_close(s->id);
+ //free methods for s
+ while (s->methods != 0) {
+ struct method_srv *m = s->methods->next;
+ free(s->methods);
+ s->methods = m;
+ }
+ //free s
+ free(s);
+}
+
+// internal use
+
+method_handler getHandler(Server *o, uint32_t m) {
+ struct method_srv *i = o->methods;
+ while (i) {
+ if (i->id == m) return i->h;
+ i = i->next;
+ }
+ return 0;
+}
+
+struct method_ret checkIfHandles(struct method_data *d) {
+ if (getHandler(d->obj, d->parameters[0].val.i) == 0) {
+ return mr_long(0);
+ }
+ return mr_long(1);
+}
+
+// ***************************** HELPER FUNCTIONS FOR RETRUN VALUES
+
+struct method_ret mr_long(int val) {
+ struct method_ret r; r.status = 0; r.type = PT_LONG; r.i = val;
+ return r;
+}
+
+struct method_ret mr_llong(int64_t val) {
+ struct method_ret r; r.status = 0; r.type = PT_LONGLONG; r.l = val;
+ return r;
+}
+
+struct method_ret mr_obj(Object* obj) {
+ struct method_ret r; r.status = 0; r.type = PT_OBJDESC; r.i = obj->id;
+ return r;
+}
+
+struct method_ret mr_srv(Server* obj) {
+ struct method_ret r; r.status = 0; r.type = PT_OBJDESC; r.i = obj->id;
+ return r;
+}
+
+struct method_ret mr_void() {
+ struct method_ret r; r.status = 0; r.type = PT_VOID;
+ return r;
+}
+
+struct method_ret mr_err(int error) {
+ struct method_ret r; r.status = error; r.type = PT_VOID; r.l = 0;
+ return r;
+}