add async packets

1 files changed, 75 insertions, 0 deletions

diff --git a/src/packet.c b/src/packet.c
new file mode 100644
index 0000000..3582020
--- /dev/null
+++ b/src/packet.c
@@ -0,0 +1,75 @@
+#include <gran/packet.h>
+#include <stdlib.h>
+
+struct packet {
+	enum packet_state state;
+	enum packet_type type;
+
+	uintptr_t addr;
+	size_t size;
+	void *data;
+};
+
+
+struct packet *create_packet(enum packet_type type, uintptr_t addr, size_t size)
+{
+	struct packet *pkt = calloc(1, sizeof(struct packet) + size);
+	if (!pkt)
+		return NULL;
+
+	pkt->state = PACKET_INIT;
+	pkt->type = type;
+	pkt->addr = addr;
+	pkt->size = size;
+	pkt->data = pkt + 1;
+	return pkt;
+}
+
+struct packet *create_packet_with(enum packet_type type, uintptr_t addr, size_t size, void *data)
+{
+	struct packet *pkt = calloc(1, sizeof(struct packet));
+	if (!pkt)
+		return NULL;
+
+	pkt->state = PACKET_INIT;
+	pkt->type = type;
+	pkt->addr = addr;
+	pkt->size = size;
+	pkt->data = data;
+	return pkt;
+}
+
+enum packet_type packet_type(struct packet *pkt)
+{
+	return pkt->type;
+}
+
+enum packet_state packet_state(struct packet *pkt)
+{
+	return pkt->state;
+}
+
+void packet_set_state(struct packet *pkt, enum packet_state state)
+{
+	pkt->state = state;
+}
+
+size_t packet_size(struct packet *pkt)
+{
+	return pkt->size;
+}
+
+uintptr_t packet_addr(struct packet *pkt)
+{
+	return pkt->addr;
+}
+
+void *packet_data(struct packet *pkt)
+{
+	return pkt->data;
+}
+
+void destroy_packet(struct packet *pkt)
+{
+	free(pkt);
+}