1 files changed, 0 insertions, 164 deletions
diff --git a/src/mesh/node.c b/src/mesh/node.c
deleted file mode 100644
index 2ac921a..0000000
--- a/src/mesh/node.c
+++ /dev/null
@@ -1,164 +0,0 @@
-#include <gran/mesh/node.h>
-
-struct reg {
-	struct packet pkt;
-	bool busy;
-};
-
-struct node {
-	struct component component;
-	uint16_t x, y;
-
-	uint64_t timestamp;
-
-	struct component *n, *s, *e, *w, *l;
-
-	struct reg n_in, s_in, e_in, w_in, l_in;
-};
-
-enum order {
-	N, S, E, W, L
-};
-
-static inline void maybe_pick(struct reg *output[5], enum order d, struct reg *r)
-{
-	if (output[d] && output[d]->pkt.timestamp < r->pkt.timestamp)
-		return;
-
-	output[d] = r;
-}
-
-static stat node_clock(struct node *node)
-{
-	node->timestamp++;
-
-	struct reg *output[5] = {NULL, NULL, NULL, NULL, NULL};
-	struct reg *input[5] = {
-		&node->n_in,
-		&node->s_in,
-		&node->e_in,
-		&node->w_in,
-		&node->l_in
-	};
-
-	uint8_t X = node->x, Y = node->y;
-	for (size_t i = 0; i < 5; ++i) {
-		struct reg *r = input[i];
-		if (!r->busy)
-			continue;
-
-		uint16_t x, y;
-		addr_mesh(r->pkt.to, &x, &y, NULL);
-		if (x < X) {
-			maybe_pick(output, W, r);
-			continue;
-		}
-
-		if (x > X) {
-			maybe_pick(output, E, r);
-			continue;
-		}
-
-		if (y < Y) {
-			maybe_pick(output, S, r);
-			continue;
-		}
-
-		if (y > Y) {
-			maybe_pick(output, N, r);
-			continue;
-		}
-
-		maybe_pick(output, L, r);
-	}
-
-	struct component *target[7] = {
-		node->n,
-		node->s,
-		node->e,
-		node->w,
-		node->l
-	};
-
-	for (size_t i = 0; i < 5; ++i) {
-		if (!output[i])
-			continue;
-
-		if (!target[i]) {
-			/* for now, should send packet back with an error or something */
-			abort();
-		}
-
-		stat ret = SEND(node, target[i], output[i]->pkt);
-		if (ret == EBUSY)
-			continue;
-
-		assert(ret == OK);
-		output[i]->busy = false;
-	}
-
-	return OK;
-}
-
-static stat reg_receive(struct reg *r, struct packet pkt)
-{
-	if (r->busy)
-		return EBUSY;
-
-	r->pkt = pkt;
-	r->busy = true;
-	return OK;
-}
-
-static stat node_receive(struct node *node, struct component *from, struct packet pkt)
-{
-	if (from == node->l) {
-		/* add time when packet entered network */
-		pkt.timestamp = node->timestamp;
-		return reg_receive(&node->l_in, pkt);
-	}
-
-	if (from == node->n)
-		return reg_receive(&node->n_in, pkt);
-
-	if (from == node->s)
-		return reg_receive(&node->s_in, pkt);
-
-	if (from == node->e)
-		return reg_receive(&node->e_in, pkt);
-
-	if (from == node->w)
-		return reg_receive(&node->w_in, pkt);
-
-	abort();
-	return OK;
-}
-
-struct component *create_mesh_node(uint16_t x, uint16_t y)
-{
-	struct node *node = calloc(1, sizeof(struct node));
-	if (!node)
-		return NULL;
-
-	node->component.receive = (receive_callback)node_receive;
-	node->component.clock = (clock_callback)node_clock;
-	node->x = x;
-	node->y = y;
-	return (struct component *)node;
-}
-
-stat mesh_node_connect(struct component *node,
-		struct component *n,
-		struct component *s,
-		struct component *e,
-		struct component *w,
-		struct component *l)
-{
-	struct node *nod = (struct node *)node;
-	nod->n = n;
-	nod->s = s;
-	nod->e = e;
-	nod->w = w;
-	nod->l = l;
-	return OK;
-}