X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=binding%2Fhvac-demo-binding.c;h=8565b562a2c74766ab7b803e930d52519333ba71;hb=705509400742a757f2abe9399711197a37a07e74;hp=96b448a2cfea849ab255d5e1247b1bd57fa65729;hpb=7fd8084c269b25aec2a06f22fd40e155f3dd95de;p=apps%2Fhvac.git diff --git a/binding/hvac-demo-binding.c b/binding/hvac-demo-binding.c index 96b448a..8565b56 100644 --- a/binding/hvac-demo-binding.c +++ b/binding/hvac-demo-binding.c @@ -1,7 +1,9 @@ /* * Copyright (C) 2015, 2016 "IoT.bzh" + * Copyright (C) 2016 Konsulko Group * Author "Romain Forlot" * Author "Jose Bolo" + * Author "Scott Murray " * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -18,6 +20,7 @@ #define _GNU_SOURCE #include +#include #include #include #include @@ -28,14 +31,60 @@ #include +#define AFB_BINDING_VERSION 2 #include -#include #define CAN_DEV "vcan0" -#define SIMULATE_HVAC +#ifndef NULL +#define NULL 0 +#endif static const struct afb_binding_interface *interface; +static struct afb_event event; + +/*****************************************************************************************/ +/*****************************************************************************************/ +/** **/ +/** **/ +/** SECTION: UTILITY FUNCTIONS **/ +/** **/ +/** **/ +/*****************************************************************************************/ +/*****************************************************************************************/ + +/* + * @brief Retry a function 3 times + * + * @param int function(): function that return an int wihtout any parameter + * + * @ return : 0 if ok, -1 if failed + * + */ +static int retry( int(*func)()) +{ + int i; + + for (i=0;i<4;i++) + { + if ( (*func)() >= 0) + { + return 0; + } + usleep(100000); + } + return -1; +} + +/*****************************************************************************************/ +/*****************************************************************************************/ +/** **/ +/** **/ +/** SECTION: HANDLE CAN DEVICE **/ +/** **/ +/** **/ +/*****************************************************************************************/ +/*****************************************************************************************/ // Initialize CAN hvac array that will be sent trough the socket static struct { @@ -50,34 +99,24 @@ static struct { struct can_handler { int socket; + bool simulation; + char *send_msg; struct sockaddr_can txAddress; }; -static struct can_handler can_handler = { .socket = -1 }; +static struct can_handler can_handler = { .socket = -1, .simulation = false, .send_msg = "SENDING CAN FRAME"}; -/*****************************************************************************************/ -/*****************************************************************************************/ -/** **/ -/** **/ -/** SECTION: HANDLE CAN DEVICE **/ -/** **/ -/** **/ -/*****************************************************************************************/ -/*****************************************************************************************/ - -static int open_can_dev() +static int open_can_dev_helper() { -#if defined(SIMULATE_HVAC) - DEBUG(interface, "Defining can handler socket to 0 and return"); - can_handler.socket = 0; - return 0; -#else struct ifreq ifr; + AFB_DEBUG("CAN Handler socket : %d", can_handler.socket); + close(can_handler.socket); + can_handler.socket = socket(PF_CAN, SOCK_RAW, CAN_RAW); if (can_handler.socket < 0) { - ERROR(interface, "socket could not be created"); + AFB_ERROR("socket could not be created"); } else { @@ -85,7 +124,7 @@ static int open_can_dev() strcpy(ifr.ifr_name, CAN_DEV); if(ioctl(can_handler.socket, SIOCGIFINDEX, &ifr) < 0) { - ERROR(interface, "ioctl failed"); + AFB_ERROR("ioctl failed"); } else { @@ -95,7 +134,7 @@ static int open_can_dev() // And bind it to txAddress if (bind(can_handler.socket, (struct sockaddr *)&can_handler.txAddress, sizeof(can_handler.txAddress)) < 0) { - ERROR(interface, "bind failed"); + AFB_ERROR("bind failed"); } else { return 0; @@ -105,13 +144,26 @@ static int open_can_dev() can_handler.socket = -1; } return -1; -#endif +} + +static int open_can_dev() +{ + int rc = retry(open_can_dev_helper); + if(rc < 0) + { + AFB_ERROR("Open of interface %s failed. Falling back to simulation mode", CAN_DEV); + can_handler.socket = 0; + can_handler.simulation = true; + can_handler.send_msg = "FAKE CAN FRAME"; + rc = 0; + } + return rc; } // Get original get temperature function from cpp hvacplugin code static uint8_t to_can_temp(uint8_t value) { - int result = ((0xF0 - 0x10) / 15) * value - 16; + int result = ((0xF0 - 0x10) / 15) * (value - 15) + 0x10; if (result < 0x10) result = 0x10; if (result > 0xF0) @@ -137,7 +189,7 @@ static uint8_t read_temp() static uint8_t read_fanspeed() { - return hvac_values[3].value ^ 0xFF; + return hvac_values[3].value; } static int write_can() @@ -160,28 +212,26 @@ static int write_can() txCanFrame.data[6] = 0; txCanFrame.data[7] = 0; - DEBUG(interface, "%s: %d %d [%02x %02x %02x %02x %02x %02x %02x %02x]\n", -#if defined(SIMULATE_HVAC) - "FAKE CAN FRAME", -#else - "SENDING CAN FRAME", -#endif + AFB_DEBUG("%s: %d %d [%02x %02x %02x %02x %02x %02x %02x %02x]\n", + can_handler.send_msg, txCanFrame.can_id, txCanFrame.can_dlc, txCanFrame.data[0], txCanFrame.data[1], txCanFrame.data[2], txCanFrame.data[3], txCanFrame.data[4], txCanFrame.data[5], txCanFrame.data[6], txCanFrame.data[7]); -#if !defined(SIMULATE_HVAC) - rc = sendto(can_handler.socket, &txCanFrame, sizeof(struct can_frame), 0, - (struct sockaddr*)&can_handler.txAddress, sizeof(can_handler.txAddress)); - if (rc < 0) + if(!can_handler.simulation) { - ERROR(interface, "Sending can frame failed"); + rc = (int)sendto(can_handler.socket, &txCanFrame, sizeof(struct can_frame), 0, + (struct sockaddr*)&can_handler.txAddress, sizeof(can_handler.txAddress)); + if (rc < 0) + { + AFB_ERROR("Sending CAN frame failed."); + } } -#endif } else { - ERROR(interface, "socket not initialized"); + AFB_ERROR("socket not initialized. Attempt to reopen can device socket."); + open_can_dev(); } return rc; } @@ -255,7 +305,7 @@ static void get_temp_left_zone(struct afb_req request) */ static void get(struct afb_req request) { - DEBUG(interface, "Getting all values"); + AFB_DEBUG("Getting all values"); json_object *ret_json; ret_json = json_object_new_object(); @@ -281,7 +331,7 @@ static void set(struct afb_req request) uint8_t saves[sizeof hvac_values / sizeof *hvac_values]; /* records initial values */ - DEBUG(interface, "Records initial values"); + AFB_DEBUG("Records initial values"); i = (int)(sizeof hvac_values / sizeof *hvac_values); while (i) { i--; @@ -292,22 +342,22 @@ static void set(struct afb_req request) query = afb_req_json(request); changed = 0; i = (int)(sizeof hvac_values / sizeof *hvac_values); - DEBUG(interface, "Looping for args. i: %d", i); + AFB_DEBUG("Looping for args. i: %d", i); while (i) { i--; - DEBUG(interface, "Searching... query: %s, i: %d, comp: %s", json_object_to_json_string(query), i, hvac_values[i].name); + AFB_DEBUG("Searching... query: %s, i: %d, comp: %s", json_object_to_json_string(query), i, hvac_values[i].name); if (json_object_object_get_ex(query, hvac_values[i].name, &val)) { - DEBUG(interface, "We got it. Tests if it is an int or double."); + AFB_DEBUG("We got it. Tests if it is an int or double."); if (json_object_is_type(val, json_type_int)) { x = json_object_get_int(val); - DEBUG(interface, "We get an int: %d",x); + AFB_DEBUG("We get an int: %d",x); } else if (json_object_is_type(val, json_type_double)) { d = json_object_get_double(val); x = (int)round(d); - DEBUG(interface, "We get a double: %f => %d",d,x); + AFB_DEBUG("We get a double: %f => %d",d,x); } else { afb_req_fail_f(request, "bad-request", @@ -323,16 +373,16 @@ static void set(struct afb_req request) if (values[i] != x) { values[i] = (uint8_t)x; changed = 1; - DEBUG(interface,"%s changed to %d",hvac_values[i].name,x); + AFB_DEBUG("%s changed to %d",hvac_values[i].name,x); } } else { - DEBUG(interface, "%s not found in query!",hvac_values[i].name); + AFB_DEBUG("%s not found in query!",hvac_values[i].name); } } /* attemps to set new values */ - DEBUG(interface, "Diff: %d", changed); + AFB_DEBUG("Diff: %d", changed); if (changed) { i = (int)(sizeof hvac_values / sizeof *hvac_values); @@ -343,7 +393,7 @@ static void set(struct afb_req request) rc = write_can(); if (rc >= 0) afb_req_success(request, NULL, NULL); - else { + else if (retry(write_can)) { /* restore initial values */ i = (int)(sizeof hvac_values / sizeof *hvac_values); while (i) { @@ -358,33 +408,91 @@ static void set(struct afb_req request) } } -// TODO: Have to change session management flag to AFB_SESSION_CHECK to use token auth -static const struct afb_verb_desc_v1 verbs[]= { - {"get_temp_left_zone" , AFB_SESSION_NONE, get_temp_left_zone , "Get the left zone temperature"}, - {"get_temp_right_zone" , AFB_SESSION_NONE, get_temp_right_zone , "Get the right zone temperature"}, - {"get_fanspeed" , AFB_SESSION_NONE, get_fanspeed , "Read fan speed"}, - {"get" , AFB_SESSION_NONE, get , "Read all values"}, - {"set" , AFB_SESSION_NONE, set , "Set a HVAC component value"}, - {NULL} -}; - -static const struct afb_binding binding_desc = { - .type = AFB_BINDING_VERSION_1, - .v1 = { - .info = "hvac service", - .prefix = "hvac", - .verbs = verbs - } -}; - -const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf) +int bindingServicePreInit(struct afb_service service) { - interface = itf; + return open_can_dev(); +} - return &binding_desc; +int bindingServiceInit(struct afb_service service) +{ + event = afb_daemon_make_event("language"); + if(afb_daemon_require_api("identity", 1)) + return -1; + return afb_service_call_sync("identity", "subscribe", NULL, NULL); } -int afbBindingV1ServiceInit(struct afb_service service) +void onEvent(const char *event_name, struct json_object *object) { - return open_can_dev(); + json_object *args, *language = json_object_new_object(); + json_object *id_evt_name, *current_identity; + + AFB_NOTICE("Event '%s' received: %s", event_name, + json_object_to_json_string_ext(object, JSON_C_TO_STRING_PRETTY)); + + if (json_object_object_get_ex(object, "eventName", &id_evt_name) && + !strcmp(json_object_get_string(id_evt_name), "login") && + !afb_service_call_sync("identity", "get", NULL, ¤t_identity)) { + json_object *response; + if (! json_object_object_get_ex(current_identity, "response", &response) || ! json_object_object_get_ex(response, "graphPreferredLanguage", &language)) { + language = json_object_new_string("en_US"); + } + afb_event_broadcast(event, language); + } } + +// TODO: Have to change session management flag to AFB_SESSION_CHECK to use token auth +static const struct afb_verb_v2 _afb_verbs_v2_hvac[]= { + { + .verb = "get_temp_left_zone", + .callback = get_temp_left_zone, + .auth = NULL, + .info = "Get the left zone temperature", + .session = AFB_SESSION_NONE_V2 + }, + { + .verb = "get_temp_right_zone", + .callback = get_temp_right_zone, + .auth = NULL, + .info = "Get the right zone temperature", + .session = AFB_SESSION_NONE_V2 + }, + { + .verb = "get_fanspeed", + .callback = get_fanspeed, + .auth = NULL, + .info = "Read fan speed", + .session = AFB_SESSION_NONE_V2 + }, + { + .verb = "get", + .callback = get, + .auth = NULL, + .info = "Read all speed", + .session = AFB_SESSION_NONE_V2 + }, + { + .verb = "set", + .callback = set, + .auth = NULL, + .info = "Set a HVAC component value", + .session = AFB_SESSION_NONE_V2 + }, + { + .verb = NULL, + .callback = NULL, + .auth = NULL, + .info = NULL, + .session = 0 + } +}; + +const struct afb_binding_v2 afbBindingV2 = { + .api = "hvac", + .specification = NULL, + .info = "HVAC service", + .verbs = _afb_verbs_v2_hvac, + .preinit = bindingServicePreInit, + .init = bindingServiceInit, + .onevent = onEvent, + .noconcurrency = 0 +};