binding: nfc: remove dependencies on libnfc

Bug-AGL: SPEC-1921

 - remove dependencies on libnfc
 - remove unused code (binding/afm-nfc-common.c)

Change-Id: I824094f5d7a409739c479904662e21c900cc8509
Signed-off-by: Raquel Medina <raquel.medina@konsulko.com>

1 files changed, 1 insertions, 126 deletions

diff --git a/binding/afm-nfc-binding.c b/binding/afm-nfc-binding.c
index 70a8625..94705de 100644
--- a/binding/afm-nfc-binding.c
+++ b/binding/afm-nfc-binding.c
@@ -29,133 +29,14 @@
 #include <glib-object.h>
 #include <json-c/json.h>
 #include <neardal/neardal.h>
-#include <nfc/nfc.h>
-#include <nfc/nfc-types.h>
-
 #define AFB_BINDING_VERSION 3
 #include <afb/afb-binding.h>
 
 #include "afm-nfc-common.h"
 
-#define WAIT_FOR_REMOVE(dev) { while (0 == nfc_initiator_target_is_present(dev, NULL)) {} }
-
 static afb_event_t presence_event;
 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 
-static const nfc_modulation modulations[] = {
-	{ .nmt = NMT_ISO14443A, .nbr = NBR_106 },
-};
-
-static char *get_tag_uid(nfc_target *nt)
-{
-	if (nt->nm.nmt == NMT_ISO14443A)
-		return to_hex_string((unsigned char *) &nt->nti.nai.abtUid, nt->nti.nai.szUidLen);
-
-	return NULL;
-}
-
-static void send_detect_event(char *current_id, nfc_binding_data *data)
-{
-	json_object *jresp;
-
-	if (current_id == NULL)
-		return;
-
-	jresp = json_object_new_object();
-
-	json_object_object_add(jresp, "status", json_object_new_string("detected"));
-	json_object_object_add(jresp, "uid", json_object_new_string(current_id));
-
-	if (data->jresp) {
-		json_object_put(data->jresp);
-		data->jresp = NULL;
-	}
-
-	json_object_get(jresp);
-	data->jresp = jresp;
-
-	afb_event_push(presence_event, jresp);
-}
-
-static void *nfc_loop_thread(void *ptr)
-{
-	nfc_binding_data *data = ptr;
-
-	while (1) {
-		nfc_target nt;
-		json_object *jresp;
-		int res = nfc_initiator_poll_target(data->dev, modulations, ARRAY_SIZE(modulations), 0xff, 2, &nt);
-		char *current_uid;
-
-		if (res < 0)
-			break;
-
-		pthread_mutex_lock(&mutex);
-
-		current_uid = get_tag_uid(&nt);
-		send_detect_event(current_uid, data);
-
-		pthread_mutex_unlock(&mutex);
-
-		WAIT_FOR_REMOVE(data->dev);
-
-		pthread_mutex_lock(&mutex);
-
-		jresp = json_object_new_object();
-		json_object_object_add(jresp, "status", json_object_new_string("removed"));
-		json_object_object_add(jresp, "uid", json_object_new_string(current_uid));
-
-		if (data->jresp) {
-			json_object_put(data->jresp);
-			data->jresp = NULL;
-		}
-
-		afb_event_push(presence_event, jresp);
-
-		pthread_mutex_unlock(&mutex);
-	}
-
-	nfc_close(data->dev);
-	nfc_exit(data->ctx);
-	free(data);
-
-	return NULL;
-}
-
-
-static nfc_binding_data *get_libnfc_instance()
-{
-	nfc_context *ctx = NULL;
-	nfc_device *dev = NULL;
-	nfc_binding_data *data;
-
-	nfc_init(&ctx);
-
-	dev = nfc_open(ctx, NULL);
-
-	if (dev == NULL) {
-		AFB_WARNING("Cannot get context for libnfc");
-		nfc_exit(ctx);
-		return NULL;
-	}
-
-	if (nfc_initiator_init(dev) < 0) {
-		AFB_WARNING("Cannot get initiator mode from libnfc");
-		nfc_close(dev);
-		nfc_exit(ctx);
-		return NULL;
-	}
-
-	data = malloc(sizeof(nfc_binding_data));
-
-	if (data) {
-		data->ctx = ctx;
-		data->dev = dev;
-	}
-
-	return data;
-}
-
 static void neard_cb_record_found(const char *tag_name, void *ptr)
 {
 	nfc_binding_data *data = ptr;
@@ -245,18 +126,12 @@ static void *neard_loop_thread(void *ptr)
 static int init(afb_api_t api)
 {
 	pthread_t thread_id;
-	nfc_binding_data *data = get_libnfc_instance();
+	nfc_binding_data *data = NULL;
 	char **adapters = NULL;
 	int num_adapters, ret;
 
 	presence_event = afb_daemon_make_event("presence");
 
-	if (data) {
-		afb_api_set_userdata(api, data);
-
-		return pthread_create(&thread_id, NULL, nfc_loop_thread, data);
-	}
-
 	ret = neardal_get_adapters(&adapters, &num_adapters);
 
 	if (ret == NEARDAL_SUCCESS) {