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authorRomain Forlot <romain.forlot@iot.bzh>2017-02-14 14:32:55 +0100
committerRomain Forlot <romain.forlot@iot.bzh>2017-02-14 14:32:55 +0100
commitc2a2b12c1ec1a4e17a3c95ceb8f010ce961a909e (patch)
tree049a4cd7ebbbd2e8d6b4df3939b12e6303de805c /low-can-binding.cpp
parent3a24351bda1208281189d17850555c017a7d342b (diff)
Move sources into src directory
make some cleaning Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'low-can-binding.cpp')
-rw-r--r--low-can-binding.cpp253
1 files changed, 0 insertions, 253 deletions
diff --git a/low-can-binding.cpp b/low-can-binding.cpp
deleted file mode 100644
index b609890..0000000
--- a/low-can-binding.cpp
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * Copyright (C) 2015, 2016 "IoT.bzh"
- * Author "Romain Forlot" <romain.forlot@iot.bzh>
- * Author "Loic Collignon" <loic.collignon@iot.bzh>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <linux/can.h>
-#include <linux/can/raw.h>
-#include <fcntl.h>
-#include <systemd/sd-event.h>
-#include <errno.h>
-#include <vector>
-#include <map>
-#include <queue>
-#include <string>
-#include <functional>
-#include <memory>
-#include <thread>
-
-#include <json-c/json.h>
-#include <openxc.pb.h>
-
-#include <afb/afb-binding.h>
-#include <afb/afb-service-itf.h>
-
-#include "ll-can-binding.h"
-#include "obd2.h"
-
-/*
- * Interface between the daemon and the binding
- */
-static const struct afb_binding_interface *interface;
-
-/********************************************************************************
-*
-* Event management
-*
-*********************************************************************************/
-
-/*
- * TBF TBF TBF
- * called on an event on the CAN bus
- */
-static int on_event(sd_event_source *s, int fd, uint32_t revents, void *userdata)
-{
- openxc_CanMessage can_message;
-
- can_message = openxc_CanMessage_init_default;
-
- /* read available data */
- if ((revents & EPOLLIN) != 0)
- {
- read_can(&can_message);
- send_event();
- }
-
- /* check if error or hangup */
- if ((revents & (EPOLLERR|EPOLLRDHUP|EPOLLHUP)) != 0)
- {
- sd_event_source_unref(s);
- close(fd);
- connect_to_event_loop();
- }
-
- return 0;
-}
-
-/*
- * USELESS SINCE THREADS SEPARATION
- *
- * Get the event loop running.
- * Will trigger on_event function on EPOLLIN event on socket
- *
- * Return 0 or positive value on success. Else negative value for failure.
-static int connect_to_event_loop(CanBus &CanBus_handler)
-{
- sd_event *event_loop;
- sd_event_source *source;
- int rc;
-
- if (CanBus_handler.socket < 0)
- {
- return CanBus_handler.socket;
- }
-
- event_loop = afb_daemon_get_event_loop(interface->daemon);
- rc = sd_event_add_io(event_loop, &source, CanBus_handler.socket, EPOLLIN, on_event, NULL);
- if (rc < 0)
- {
- CanBus_handler.close();
- ERROR(interface, "Can't connect CAN bus %s to the event loop", CanBus_handler.device);
- } else
- {
- NOTICE(interface, "Connected CAN bus %s to the event loop", CanBus_handler.device);
- }
-
- return rc;
-}
- */
-
-/********************************************************************************
-*
-* Subscription and unsubscription
-*
-*********************************************************************************/
-
-static int subscribe_unsubscribe_sig(struct afb_req request, int subscribe, struct signal *sig)
-{
- if (!afb_event_is_valid(sig->event)) {
- if (!subscribe)
- return 1;
- sig->event = afb_daemon_make_event(afbitf->daemon, sig->name);
- if (!afb_event_is_valid(sig->event)) {
- return 0;
- }
- }
-
- if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, sig->event)) < 0) {
- return 0;
- }
-
- return 1;
-}
-
-static int subscribe_unsubscribe_all(struct afb_req request, int subscribe)
-{
- int i, n, e;
-
- n = sizeof OBD2_PIDS / sizeof * OBD2_PIDS;
- e = 0;
- for (i = 0 ; i < n ; i++)
- e += !subscribe_unsubscribe_sig(request, subscribe, &OBD2_PIDS[i]);
- return e == 0;
-}
-
-static int subscribe_unsubscribe_name(struct afb_req request, int subscribe, const char *name)
-{
- struct signal *sig;
-
- if (0 == strcmp(name, "*"))
- return subscribe_unsubscribe_all(request, subscribe);
-
- sig = getSignal(name);
- if (sig == NULL) {
- return 0;
- }
-
- return subscribe_unsubscribe_sig(request, subscribe, sig);
-}
-
-static void subscribe_unsubscribe(struct afb_req request, int subscribe)
-{
- int ok, i, n;
- struct json_object *args, *a, *x;
-
- /* makes the subscription/unsubscription */
- args = afb_req_json(request);
- if (args == NULL || !json_object_object_get_ex(args, "event", &a)) {
- ok = subscribe_unsubscribe_all(request, subscribe);
- } else if (json_object_get_type(a) != json_type_array) {
- ok = subscribe_unsubscribe_name(request, subscribe, json_object_get_string(a));
- } else {
- n = json_object_array_length(a);
- ok = 0;
- for (i = 0 ; i < n ; i++) {
- x = json_object_array_get_idx(a, i);
- if (subscribe_unsubscribe_name(request, subscribe, json_object_get_string(x)))
- ok++;
- }
- ok = (ok == n);
- }
-
- /* send the report */
- if (ok)
- afb_req_success(request, NULL, NULL);
- else
- afb_req_fail(request, "error", NULL);
-}
-
-static void subscribe(struct afb_req request)
-{
- subscribe_unsubscribe(request, 1);
-}
-
-static void unsubscribe(struct afb_req request)
-{
- subscribe_unsubscribe(request, 0);
-}
-static const struct afb_verb_desc_v1 verbs[]=
-{
- { .name= "subscribe", .session= AFB_SESSION_NONE, .callback= subscribe, .info= "subscribe to notification of CAN bus messages." },
- { .name= "unsubscribe", .session= AFB_SESSION_NONE, .callback= unsubscribe, .info= "unsubscribe a previous subscription." },
- {NULL}
-};
-
-static const struct afb_binding binding_desc = {
- .type = AFB_BINDING_VERSION_1,
- .v1 = {
- .info = "CAN bus service",
- .prefix = "can",
- .verbs = verbs
- }
-};
-
-const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
-{
- interface = itf;
-
- return &binding_desc;
-}
-
-int afbBindingV1ServiceInit(struct afb_service service)
-{
- std::ifstream fd_conf;
- std::string fd_conf_content;
- json_object jo_canbus;
-
- /* Open JSON conf file */
- jo_canbus = json_object_new_object();
- fd_conf = afb_daemon_rootdir_open_locale(interface->daemon, "canbus.json", O_RDONLY, NULL);
- if (fd_conf)
- {
- fd_conf.seekg(0, std::ios::end);
- fd_conf_content.resize(fd_conf.tellg());
- fd_conf.seekg(0, std::ios::beg);
- fd_conf.read(&fd_conf_content[0], fd_conf_content.size());
- fd_conf.close();
- }
-
- jo_canbus = json_tokener_parse(&fd_conf_content);
-
- /* Open CAN socket */
- CanBus_c CanBus_handler(interface, json_object_get_string(json_object_object_get(jo_canbus, "deviceName"));
- CanBus_handler.open();
- CanBus_handler.start_threads();
-}