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kii_thing_if.c
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#include "kii_thing_if.h"
#include "kii_hidden.h"
#include <kii.h>
#include <stdio.h>
#include <string.h>
/* If your environment does not have assert, you must set
KII_THING_IF_NOASSERT define. */
#ifdef KII_THING_IF_NOASSERT
#define M_KII_THING_IF_ASSERT(s)
#else
#include <assert.h>
#define M_KII_THING_IF_ASSERT(s) assert(s)
#endif
#define EVAL(f, v) f(v)
#define TOSTR(s) #s
#define ULONG_MAX_STR EVAL(TOSTR, ULONG_MAX)
#define ULONGBUFSIZE (sizeof(ULONG_MAX_STR) / sizeof(char))
#define CONST_STRLEN(str) sizeof(str) - 1
#define APPEND_BODY_CONST(kii, str) kii_api_call_append_body(kii, str, CONST_STRLEN(str))
#define APPEND_BODY(kii, str) kii_api_call_append_body(kii, str, strlen(str))
#define APP_PATH "api/apps/"
#define OAUTH_PATH "/oauth2/token"
#define THING_IF_APP_PATH "thing-if/apps/"
#define ONBOARDING_PATH "/onboardings"
#define TARGET_PART "/targets/thing:"
#define COMMAND_PART "/commands/"
#define RESULTS_PART "/action-results"
#define STATES_PART "/states"
#define THINGS_PART "/things/"
#define FIRMWARE_VERSION_PART "/firmware-version"
#define THING_TYPE_PART "/thing-type"
#define CONTENT_TYPE_VENDOR_THING_ID "application/vnd.kii.OnboardingWithVendorThingIDByThing+json"
#define CONTENT_TYPE_THING_ID "application/vnd.kii.OnboardingWithThingIDByThing+json"
#define CONTENT_UPDATE_FIRMWARE_VERSION "application/vnd.kii.ThingFirmwareVersionUpdateRequest+json"
#define CONTENT_UPDATE_THING_TYPE "application/vnd.kii.ThingTypeUpdateRequest+json"
#define CONTENT_UPDATE_STATE "application/vnd.kii.MultipleTraitState+json"
#define THING_IF_INFO "sn=tic;sv=1.0.1"
typedef enum prv_get_key_and_value_t {
PRV_GET_KEY_AND_VALUE_SUCCESS,
PRV_GET_KEY_AND_VALUE_FAIL,
PRV_GET_KEY_AND_VALUE_FINISH
} prv_get_key_and_value_t;
static int prv_kii_api_call_start(
kii_t* kii,
const char* http_method,
const char* resource_path,
const char* content_type,
kii_bool_t set_authentication_header,
kii_thing_if_error_t* error)
{
int retval = kii_api_call_start(
kii,
http_method,
resource_path,
content_type,
set_authentication_header);
if (retval != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to start api call"));
if (error != NULL){
error->code = KII_THING_IF_ERROR_INSUFFICIENT_BUFFER;
}
}
return retval;
}
static int prv_append_key_value(
kii_t* kii,
const char* key,
const char* value,
kii_bool_t is_successor,
kii_bool_t is_string)
{
if (key == NULL) {
M_KII_LOG(kii->kii_core.logger_cb("key not specified.\n"));
return -1;
}
if (value == NULL) {
M_KII_LOG(
kii->kii_core.logger_cb("value not specified for key: %s.\n", key));
return -1;
}
if (is_successor == KII_TRUE) {
if (kii_api_call_append_body(kii, ",", CONST_STRLEN(",")) != 0) {
M_KII_LOG(kii->kii_core.logger_cb(
"request size overflowed: (%s, %s).\n", key, value));
return -1;
}
}
/* Write key. */
if (kii_api_call_append_body(kii, "\"", CONST_STRLEN("\"")) != 0 ||
kii_api_call_append_body(kii, key, strlen(key)) != 0 ||
kii_api_call_append_body(kii, "\":", CONST_STRLEN("\":")) != 0) {
M_KII_LOG(kii->kii_core.logger_cb(
"request size overflowed: (%s, %s).\n", key, value));
return -1;
}
/* Write value. */
if (is_string == KII_TRUE) {
if (kii_api_call_append_body(kii, "\"", CONST_STRLEN("\"")) != 0 ||
kii_api_call_append_body(kii, value, strlen(value)) != 0 ||
kii_api_call_append_body(kii, "\"", CONST_STRLEN("\"")) != 0) {
M_KII_LOG(kii->kii_core.logger_cb(
"request size overflowed: (%s, %s).\n", key, value));
return -1;
}
} else {
if (kii_api_call_append_body(kii, value, strlen(value)) != 0) {
M_KII_LOG(kii->kii_core.logger_cb(
"request size overflowed: (%s, %s).\n", key, value));
return -1;
}
}
return 0;
}
static int prv_append_key_value_string(
kii_t* kii,
const char* key,
const char* value,
kii_bool_t is_successor)
{
return prv_append_key_value(kii, key, value, is_successor, KII_TRUE);
}
static int prv_append_key_value_string_optional(
kii_t* kii,
const char* key,
const char* value,
kii_bool_t is_successor)
{
if (key == NULL || value == NULL) {
return 0;
}
return prv_append_key_value(kii, key, value, is_successor, KII_TRUE);
}
static int prv_append_key_value_object_optional(
kii_t* kii,
const char* key,
const char* value,
kii_bool_t is_successor)
{
if (key == NULL || value == NULL) {
return 0;
}
return prv_append_key_value(kii, key, value, is_successor, KII_FALSE);
}
static int prv_append_key_value_bool(
kii_t* kii,
const char* key,
kii_bool_t value,
kii_bool_t is_successor)
{
return prv_append_key_value(
kii,
key,
value == KII_TRUE ? "true" : "false",
is_successor,
KII_FALSE);
}
static kii_json_parse_result_t prv_kii_thing_if_json_read_object(
kii_t* kii,
const char* json_string,
size_t json_string_size,
kii_json_field_t *fields)
{
kii_json_t kii_json;
kii_json_parse_result_t retval;
char error_message[50];
memset(&kii_json, 0, sizeof(kii_json));
kii_json.error_string_buff = error_message;
kii_json.error_string_length =
sizeof(error_message) / sizeof(error_message[0]);
kii_json.resource = &(kii->kii_json_resource);
retval = kii_json_read_object(&kii_json, json_string, json_string_size,
fields);
switch (retval) {
case KII_JSON_PARSE_SUCCESS:
case KII_JSON_PARSE_PARTIAL_SUCCESS:
break;
default:
M_KII_LOG(kii->kii_core.logger_cb(
"fail to parse json: result=%d, message=%s\n",
retval, kii_json.error_string_buff));
break;
}
return retval;
}
static kii_bool_t prv_execute_http_session(
kii_t* kii,
kii_thing_if_error_t* error)
{
M_KII_THING_IF_ASSERT(kii != NULL);
if (kii_api_call_run(kii) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to run api.\n"));
if (error != NULL) {
switch (kii->kii_core.http_context.
socket_context.http_error) {
case KII_HTTP_ERROR_NONE:
/* kii_api_call_run() set content length and so
on. The request buffer can not accept such
elements because of insufficient buffer. */
error->code = KII_THING_IF_ERROR_INSUFFICIENT_BUFFER;
break;
case KII_HTTP_ERROR_INSUFFICIENT_BUFFER:
error->code = KII_THING_IF_ERROR_INSUFFICIENT_BUFFER;
break;
case KII_HTTP_ERROR_SOCKET:
error->code = KII_THING_IF_ERROR_SOCKET;
break;
case KII_HTTP_ERROR_INVALID_RESPONSE:
default:
/* Unexpected case. */
M_KII_THING_IF_ASSERT(0);
break;
}
}
return KII_FALSE;
}
/* check http status */
if (kii->kii_core.response_code < 200 ||
kii->kii_core.response_code >= 300) {
if (error != NULL) {
kii_json_field_t fields[2];
memset(fields, 0x00, sizeof(fields));
fields[0].path = "/errorCode";
fields[0].type = KII_JSON_FIELD_TYPE_STRING;
fields[0].field_copy.string = error->error_code;
fields[0].field_copy_buff_size = sizeof(error->error_code) /
sizeof(error->error_code[0]);
fields[1].path = NULL;
if (prv_kii_thing_if_json_read_object(
kii,
kii->kii_core.response_body,
strlen(kii->kii_core.response_body),
fields) != KII_JSON_PARSE_SUCCESS) {
M_KII_LOG(kii->kii_core.logger_cb(
"fail to parse received message.\n"));
}
error->code = KII_THING_IF_ERROR_HTTP;
error->http_status_code = kii->kii_core.response_code;
}
return KII_FALSE;
}
return KII_TRUE;
}
static kii_bool_t prv_set_onboard_resource_path(
const char* app_id,
char* resource_path,
size_t resource_path_len)
{
size_t onboard_resource_path_length =
strlen(THING_IF_APP_PATH) +
strlen(app_id) +
strlen(ONBOARDING_PATH);
if (resource_path_len <= onboard_resource_path_length) {
M_KII_THING_IF_ASSERT(0);
return KII_FALSE;
}
sprintf(resource_path, "%s%s%s",
THING_IF_APP_PATH,
app_id,
ONBOARDING_PATH);
return KII_TRUE;
}
static kii_bool_t prv_set_state_resource_path(
const char* app_id,
const char* author_id,
char* resource_path,
size_t resource_path_len)
{
size_t state_resource_path_length =
strlen(THING_IF_APP_PATH) +
strlen(app_id) +
strlen(TARGET_PART) +
strlen(author_id) +
strlen(STATES_PART);
if (resource_path_len <= state_resource_path_length) {
M_KII_THING_IF_ASSERT(0);
return KII_FALSE;
}
sprintf(resource_path, "%s%s%s%s%s",
THING_IF_APP_PATH,
app_id,
TARGET_PART,
author_id,
STATES_PART);
return KII_TRUE;
}
static kii_bool_t prv_set_firmware_version_resource_path(
const char* app_id,
const char* author_id,
char* resource_path,
size_t resource_path_len)
{
size_t firmware_version_resource_path_length =
strlen(THING_IF_APP_PATH) +
strlen(app_id) +
strlen(THINGS_PART) +
strlen(author_id) +
strlen(FIRMWARE_VERSION_PART);
if (resource_path_len <= firmware_version_resource_path_length) {
M_KII_THING_IF_ASSERT(0);
return KII_FALSE;
}
sprintf(resource_path, "%s%s%s%s%s",
THING_IF_APP_PATH,
app_id,
THINGS_PART,
author_id,
FIRMWARE_VERSION_PART);
return KII_TRUE;
}
static kii_bool_t prv_set_thing_type_resource_path(
const char* app_id,
const char* author_id,
char* resource_path,
size_t resource_path_len)
{
size_t thing_type_path_length = strlen(THING_IF_APP_PATH) +
strlen(app_id) +
strlen(THINGS_PART) +
strlen(author_id) +
strlen(THING_TYPE_PART);
if (resource_path_len <= thing_type_path_length) {
M_KII_THING_IF_ASSERT(0);
return KII_FALSE;
}
sprintf(resource_path, "%s%s%s%s%s",
THING_IF_APP_PATH,
app_id,
THINGS_PART,
author_id,
THING_TYPE_PART);
return KII_TRUE;
}
static int prv_thing_if_parse_onboarding_response(
kii_t* kii,
kii_thing_if_error_t* error)
{
kii_json_field_t fields[3];
M_KII_THING_IF_ASSERT(kii != NULL);
memset(fields, 0, sizeof(fields));
fields[0].name = "thingID";
fields[0].type = KII_JSON_FIELD_TYPE_STRING;
fields[0].field_copy.string = kii->kii_core.author.author_id;
fields[0].field_copy_buff_size = sizeof(kii->kii_core.author.author_id) /
sizeof(kii->kii_core.author.author_id[0]);
fields[1].name = "accessToken";
fields[1].type = KII_JSON_FIELD_TYPE_STRING;
fields[1].field_copy.string = kii->kii_core.author.access_token;
fields[1].field_copy_buff_size = sizeof(kii->kii_core.author.access_token) /
sizeof(kii->kii_core.author.access_token[0]);
fields[2].name = NULL;
if (prv_kii_thing_if_json_read_object(kii, kii->kii_core.response_body,
strlen(kii->kii_core.response_body), fields) !=
KII_JSON_PARSE_SUCCESS) {
if (error != NULL) {
error->code = KII_THING_IF_ERROR_INVALID_PAYLOAD;
}
return -1;
}
return 0;
}
static kii_bool_t prv_init_kii_thing_if(
kii_thing_if_t* kii_thing_if,
const char* app_id,
const char* app_key,
const char* app_host,
kii_thing_if_command_handler_resource_t* command_handler_resource,
kii_thing_if_state_updater_resource_t* state_updater_resource,
kii_thing_if_system_cb_t* system_cb,
KII_JSON_RESOURCE_CB resource_cb
)
{
M_KII_THING_IF_ASSERT(kii_thing_if != NULL);
M_KII_THING_IF_ASSERT(app_id != NULL);
M_KII_THING_IF_ASSERT(app_key != NULL);
M_KII_THING_IF_ASSERT(app_host != NULL);
M_KII_THING_IF_ASSERT(command_handler_resource != NULL);
M_KII_THING_IF_ASSERT(state_updater_resource != NULL);
memset(kii_thing_if, 0x00, sizeof(kii_thing_if_t));
memset(command_handler_resource->mqtt_buffer, 0x00,
command_handler_resource->mqtt_buffer_size);
memset(command_handler_resource->buffer, 0x00,
command_handler_resource->buffer_size);
memset(state_updater_resource->buffer, 0x00,
state_updater_resource->buffer_size);
/* Initialize command_handler */
if (_kii_init_with_info(&kii_thing_if->command_handler, app_host, app_id,
app_key, THING_IF_INFO) != 0) {
return KII_FALSE;
}
kii_thing_if->command_handler.kii_core.http_context.buffer =
command_handler_resource->buffer;
kii_thing_if->command_handler.kii_core.http_context.buffer_size =
command_handler_resource->buffer_size;
kii_thing_if->command_handler.mqtt_buffer =
command_handler_resource->mqtt_buffer;
kii_thing_if->command_handler.mqtt_buffer_size =
command_handler_resource->mqtt_buffer_size;
kii_thing_if->command_handler.kii_json_resource_cb = resource_cb;
kii_thing_if->action_handler = command_handler_resource->action_handler;
kii_thing_if->state_handler_for_command_reaction=
command_handler_resource->state_handler;
kii_thing_if->custom_push_handler =
command_handler_resource->custom_push_handler;
kii_thing_if->command_handler.app_context = (void*)kii_thing_if;
/* Initialize state_updater */
if (_kii_init_with_info(&kii_thing_if->state_updater, app_host, app_id,
app_key, THING_IF_INFO) != 0) {
return KII_FALSE;
}
kii_thing_if->state_updater.kii_core.http_context.buffer =
state_updater_resource->buffer;
kii_thing_if->state_updater.kii_core.http_context.buffer_size =
state_updater_resource->buffer_size;
kii_thing_if->state_updater.kii_json_resource_cb = resource_cb;
kii_thing_if->state_handler_for_period =
state_updater_resource->state_handler;
kii_thing_if->state_update_period = state_updater_resource->period;
kii_thing_if->state_updater.app_context = (void*)kii_thing_if;
/* setup command handler callbacks. */
kii_thing_if->command_handler.kii_core.http_context.connect_cb =
system_cb->socket_connect_cb;
kii_thing_if->command_handler.kii_core.http_context.send_cb =
system_cb->socket_send_cb;
kii_thing_if->command_handler.kii_core.http_context.recv_cb =
system_cb->socket_recv_cb;
kii_thing_if->command_handler.kii_core.http_context.close_cb =
system_cb->socket_close_cb;
kii_thing_if->command_handler.mqtt_socket_connect_cb =
system_cb->mqtt_socket_connect_cb;
kii_thing_if->command_handler.mqtt_socket_send_cb =
system_cb->mqtt_socket_send_cb;
kii_thing_if->command_handler.mqtt_socket_recv_cb =
system_cb->mqtt_socket_recv_cb;
kii_thing_if->command_handler.mqtt_socket_close_cb =
system_cb->mqtt_socket_close_cb;
kii_thing_if->command_handler.task_create_cb =
system_cb->task_create_cb;
kii_thing_if->command_handler.delay_ms_cb =
system_cb->delay_ms_cb;
kii_thing_if->command_handler.kii_core.logger_cb =
system_cb->log_cb;
/* setup state updater callbacks. */
kii_thing_if->state_updater.kii_core.http_context.connect_cb =
system_cb->socket_connect_cb;
kii_thing_if->state_updater.kii_core.http_context.send_cb =
system_cb->socket_send_cb;
kii_thing_if->state_updater.kii_core.http_context.recv_cb =
system_cb->socket_recv_cb;
kii_thing_if->state_updater.kii_core.http_context.close_cb =
system_cb->socket_close_cb;
kii_thing_if->state_updater.task_create_cb =
system_cb->task_create_cb;
kii_thing_if->state_updater.delay_ms_cb =
system_cb->delay_ms_cb;
kii_thing_if->state_updater.kii_core.logger_cb =
system_cb->log_cb;
kii_thing_if->state = KII_THING_IF_STATE_INITIALIZED;
return KII_TRUE;
}
kii_bool_t init_kii_thing_if(
kii_thing_if_t* kii_thing_if,
const char* app_id,
const char* app_key,
const char* app_host,
kii_thing_if_command_handler_resource_t* command_handler_resource,
kii_thing_if_state_updater_resource_t* state_updater_resource,
kii_thing_if_system_cb_t* system_cb,
KII_JSON_RESOURCE_CB resource_cb)
{
return prv_init_kii_thing_if(kii_thing_if, app_id, app_key, app_host,
command_handler_resource, state_updater_resource, system_cb,
resource_cb);
}
static int prv_kii_thing_if_get_key_and_value_from_json(
kii_t* kii,
const char* json_string,
size_t json_string_len,
char** out_key,
char** out_value,
size_t* out_key_len,
size_t* out_value_len)
{
jsmn_parser parser;
int parse_result = JSMN_ERROR_NOMEM;
#ifdef KII_JSON_FIXED_TOKEN_NUM
jsmntok_t tokens[KII_JSON_FIXED_TOKEN_NUM];
size_t tokens_num = sizeof(tokens) / sizeof(tokens[0]);
#else
jsmntok_t* tokens = kii->kii_json_resource.tokens;
size_t tokens_num = kii->kii_json_resource.tokens_num;
#endif
jsmn_init(&parser);
parse_result = jsmn_parse(&parser, json_string, json_string_len, tokens,
tokens_num);
if (parse_result >= 0) {
if (tokens[0].type != JSMN_OBJECT) {
M_KII_LOG(kii->kii_core.logger_cb("action must be json object.\n"));
return -1;
}
if (tokens[1].type != JSMN_STRING) {
M_KII_LOG(kii->kii_core.logger_cb("invalid json object.\n"));
return -1;
}
*out_key = (char*)(json_string + tokens[1].start);
*out_key_len = tokens[1].end - tokens[1].start;
*out_value = (char*)(json_string + tokens[2].start);
*out_value_len = tokens[2].end - tokens[2].start;
return 0;
} else if (parse_result == JSMN_ERROR_NOMEM) {
M_KII_LOG(kii->kii_core.logger_cb(
"Not enough tokens were provided.\n"));
return -1;
} else if (parse_result == JSMN_ERROR_INVAL) {
M_KII_LOG(kii->kii_core.logger_cb(
"Invalid character inside JSON string.\n"));
return -1;
} else if (parse_result == JSMN_ERROR_PART) {
M_KII_LOG(kii->kii_core.logger_cb(
"The string is not a full JSON packet, more bytes expected.\n"));
return -1;
} else {
M_KII_LOG(kii->kii_core.logger_cb("Unexpected error.\n"));
return -1;
}
}
static kii_bool_t prv_writer(kii_t* kii, const char* buff)
{
if (kii_api_call_append_body(kii, buff, strlen(buff)) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("request size overflowed.\n"));
return KII_FALSE;
}
return KII_TRUE;
}
static kii_bool_t prv_send_state(kii_t* kii)
{
char resource_path[256];
kii_bool_t succeeded = prv_set_state_resource_path(
kii->kii_core.app_id,
kii->kii_core.author.author_id,
resource_path,
sizeof(resource_path) / sizeof(resource_path[0]));
if (succeeded == KII_FALSE) {
M_KII_LOG(kii->kii_core.logger_cb(
"resource path is longer than expected.\n"));
return KII_FALSE;
}
if (kii_api_call_start(kii, "PUT", resource_path, CONTENT_UPDATE_STATE,
KII_TRUE) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to start api call.\n"));
return KII_FALSE;
}
if (((kii_thing_if_t*)kii->app_context)->state_handler_for_command_reaction(kii,
prv_writer) == KII_FALSE) {
M_KII_LOG(kii->kii_core.logger_cb("fail to start api call.\n"));
return KII_FALSE;
}
if (kii_api_call_run(kii) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to run api.\n"));
return KII_FALSE;
}
return KII_TRUE;
}
static prv_get_key_and_value_t get_key_and_value_at_index(
kii_t* kii,
const char* array_str,
size_t array_len,
size_t index,
char** key,
size_t* key_len,
char** value,
size_t* value_len)
{
kii_json_field_t item[2];
char index_str[ULONGBUFSIZE];
memset(item, 0x00, sizeof(item));
item[0].path = index_str;
item[0].type = KII_JSON_FIELD_TYPE_OBJECT;
item[0].field_copy.string = NULL;
item[0].result = KII_JSON_FIELD_PARSE_SUCCESS;
item[1].path = NULL;
sprintf(index_str, "/[%lu]", (unsigned long)index);
switch (prv_kii_thing_if_json_read_object(
kii,
array_str,
array_len,
item)) {
case KII_JSON_PARSE_SUCCESS:
if (prv_kii_thing_if_get_key_and_value_from_json(
kii,
array_str + item[0].start,
item[0].end - item[0].start,
key,
value,
key_len,
value_len) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to parse item."))
return PRV_GET_KEY_AND_VALUE_FAIL;
}
return PRV_GET_KEY_AND_VALUE_SUCCESS;
case KII_JSON_PARSE_PARTIAL_SUCCESS:
/* This must be end of array. */
return PRV_GET_KEY_AND_VALUE_FINISH;
case KII_JSON_PARSE_ROOT_TYPE_ERROR:
case KII_JSON_PARSE_INVALID_INPUT:
default:
M_KII_LOG(kii->kii_core.logger_cb("unexpected error.\n"));
return PRV_GET_KEY_AND_VALUE_FAIL;
}
}
static void handle_command(kii_t* kii, char* buffer, size_t buffer_size)
{
char* alias_actions_str = NULL;
size_t alias_actions_len = 0;
size_t alias_index = 0;
prv_get_key_and_value_t alias_result;
/*
1. Get start position of alias action array
2. Start to make request to update command result with kii_api_call_start.
*/
{
kii_json_field_t fields[3];
char resource_path[256];
size_t results_path_length;
memset(fields, 0x00, sizeof(fields));
fields[0].path = "/commandID";
fields[0].type = KII_JSON_FIELD_TYPE_STRING;
fields[0].field_copy.string = NULL;
fields[1].path = "/actions";
fields[1].type = KII_JSON_FIELD_TYPE_ARRAY;
fields[1].field_copy.string = NULL;
fields[2].path = NULL;
switch(prv_kii_thing_if_json_read_object(
kii, buffer, buffer_size, fields)) {
case KII_JSON_PARSE_SUCCESS:
break;
case KII_JSON_PARSE_PARTIAL_SUCCESS:
if (fields[0].result != KII_JSON_FIELD_PARSE_SUCCESS) {
/* no command ID. */
return;
}
break;
default:
M_KII_LOG(kii->kii_core.logger_cb(
"fail to parse received message.\n"));
return;
}
results_path_length =
strlen(THING_IF_APP_PATH) +
strlen(kii->kii_core.app_id) +
strlen(TARGET_PART) +
strlen(kii->kii_core.author.author_id) +
strlen(COMMAND_PART) +
(fields[0].end - fields[0].start - 1) +
strlen(RESULTS_PART);
if (sizeof(resource_path) / sizeof(resource_path[0]) <=
results_path_length) {
M_KII_LOG(kii->kii_core.logger_cb(
"resource path is longer than expected.\n"));
return;
}
resource_path[0] = '\0';
strcat(resource_path, THING_IF_APP_PATH);
strcat(resource_path, kii->kii_core.app_id);
strcat(resource_path, TARGET_PART);
strcat(resource_path, kii->kii_core.author.author_id);
strcat(resource_path, COMMAND_PART);
strncat(resource_path, buffer + fields[0].start,
fields[0].end - fields[0].start);
strcat(resource_path, RESULTS_PART);
/* TODO: Check properties. */
if (kii_api_call_start(kii, "PUT", resource_path, "application/json",
KII_TRUE) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to start api call.\n"));
return;
}
alias_actions_str = buffer + fields[1].start;
alias_actions_len = fields[1].end - fields[1].start;
}
if (kii_api_call_append_body(kii, "{\"actionResults\":[",
CONST_STRLEN("{\"actionResults\":[")) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("request size overflowed.\n"));
return;
}
for (alias_index = 0, alias_result = PRV_GET_KEY_AND_VALUE_SUCCESS;
alias_result == PRV_GET_KEY_AND_VALUE_SUCCESS;
++alias_index) {
KII_THING_IF_ACTION_HANDLER handler =
((kii_thing_if_t*)kii->app_context)->action_handler;
char* alias_name;
char* actions;
size_t alias_name_len, actions_len;
alias_result = get_key_and_value_at_index(
kii,
alias_actions_str,
alias_actions_len,
alias_index,
&alias_name,
&alias_name_len,
&actions,
&actions_len);
switch (alias_result) {
case PRV_GET_KEY_AND_VALUE_FAIL:
M_KII_LOG(kii->kii_core.logger_cb("fail to get alias.\n"));
return;
case PRV_GET_KEY_AND_VALUE_SUCCESS:
{
char alias_name_swap;
size_t action_index;
prv_get_key_and_value_t action_result;
alias_name_swap = alias_name[alias_name_len];
alias_name[alias_name_len] = '\0';
for (action_index = 0,
action_result = PRV_GET_KEY_AND_VALUE_SUCCESS;
action_result == PRV_GET_KEY_AND_VALUE_SUCCESS;
++action_index) {
char* name;
char* value;
size_t name_len, value_len;
action_result = get_key_and_value_at_index(
kii,
actions,
actions_len,
action_index,
&name,
&name_len,
&value,
&value_len);
switch (action_result) {
case PRV_GET_KEY_AND_VALUE_FAIL:
M_KII_LOG(kii->kii_core.logger_cb(
"fail to get action.\n"));
return;
case PRV_GET_KEY_AND_VALUE_SUCCESS:
{
char name_swap, value_swap;
char error[EMESSAGE_SIZE + 1];
kii_bool_t succeeded;
name_swap = name[name_len];
value_swap = value[value_len];
name[name_len] = '\0';
value[value_len] = '\0';
succeeded =
(*handler)(alias_name, name, value, error);
if (alias_index > 0 || action_index > 0) {
if (APPEND_BODY_CONST(kii, ",") != 0) {
M_KII_LOG(kii->kii_core.logger_cb(
"request size overflowed.\n"));
}
}
if (APPEND_BODY_CONST(kii, "{\"") != 0 ||
APPEND_BODY(kii, name) != 0 ||
APPEND_BODY_CONST(kii, "\":{") != 0 ||
prv_append_key_value_bool(
kii,
"succeeded",
succeeded,
KII_FALSE) != 0 ||
prv_append_key_value_string_optional(
kii,
"errorMessage",
succeeded == KII_FALSE ? error : NULL,
KII_TRUE) != 0 ||
APPEND_BODY_CONST(kii, "}}") != 0) {
M_KII_LOG(kii->kii_core.logger_cb(
"request size overflowed.\n"));
return;
}
name[name_len] = name_swap;
value[value_len] = value_swap;
break;
}
case PRV_GET_KEY_AND_VALUE_FINISH:
/* finished to parse aliases. */
break;
default:
M_KII_LOG(kii->kii_core.logger_cb(
"unknown result %d.\n", action_result));
M_KII_THING_IF_ASSERT(0);
return;
}
}
alias_name[alias_name_len] = alias_name_swap;
break;
}
case PRV_GET_KEY_AND_VALUE_FINISH:
/* finished to parse aliases. */
break;
default:
M_KII_LOG(
kii->kii_core.logger_cb("unknown result %d.\n",
alias_result));
M_KII_THING_IF_ASSERT(0);
return;
}
}
if (kii_api_call_append_body(kii, "]}", sizeof("]}") - 1) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("request size overflowed.\n"));
return;
}
if (kii_api_call_run(kii) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to run api.\n"));
return;
}
if (prv_send_state(kii) != KII_TRUE) {
M_KII_LOG(kii->kii_core.logger_cb("fail to send state.\n"));
}
return;
}
static void received_callback(kii_t* kii, char* buffer, size_t buffer_size) {
kii_bool_t skip = KII_FALSE;
if (((kii_thing_if_t*)kii->app_context)->custom_push_handler != NULL) {
KII_THING_IF_CUSTOM_PUSH_HANDLER handler =
((kii_thing_if_t*)kii->app_context)->custom_push_handler;
skip = (*handler)(kii, buffer, buffer_size);
}
if (skip == KII_FALSE) {
handle_command(kii, buffer, buffer_size);
}
}
static int prv_kii_thing_if_get_anonymous_token(
kii_t* kii,
kii_thing_if_error_t* error)
{
char resource_path[64];
kii_json_field_t fields[2];
size_t oauth_path_length =
strlen(APP_PATH) +
strlen(kii->kii_core.app_id) +
strlen(OAUTH_PATH);
M_KII_THING_IF_ASSERT(kii);
if (sizeof(resource_path) / sizeof(resource_path[0]) <= oauth_path_length) {
M_KII_LOG(kii->kii_core.logger_cb(
"resource path is longer than expected.\n"));
if (error != NULL) {
error->code = KII_THING_IF_ERROR_INSUFFICIENT_BUFFER;
}
return -1;
}
sprintf(resource_path, "%s%s%s",
APP_PATH, kii->kii_core.app_id, OAUTH_PATH);
if (kii_api_call_start(kii, "POST", resource_path, "application/json",
KII_FALSE) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to start api call.\n"));
if (error != NULL) {
error->code = KII_THING_IF_ERROR_INSUFFICIENT_BUFFER;
}
return -1;
}
if (APPEND_BODY_CONST(kii, "{") != 0 ||
prv_append_key_value_string(
kii, "grant_type", "client_credentials", KII_FALSE) != 0 ||
prv_append_key_value_string(
kii, "client_id", kii->kii_core.app_id, KII_TRUE) != 0 ||
prv_append_key_value_string(
kii, "client_secret", kii->kii_core.app_key, KII_TRUE) != 0 ||
APPEND_BODY_CONST(kii, "}") != 0) {
M_KII_LOG(kii->kii_core.logger_cb("request size overflowed.\n"));
if (error != NULL) {
error->code = KII_THING_IF_ERROR_INSUFFICIENT_BUFFER;
}
return -1;
}
if (prv_execute_http_session(kii, error) != KII_TRUE) {
M_KII_LOG(kii->kii_core.logger_cb("fail to run api.\n"));
return -1;
}
memset(fields, 0x00, sizeof(fields));
fields[0].path = "/access_token";
fields[0].type = KII_JSON_FIELD_TYPE_STRING;
fields[0].field_copy.string = kii->kii_core.author.access_token;
fields[0].field_copy_buff_size = sizeof(kii->kii_core.author.access_token) /
sizeof(kii->kii_core.author.access_token[0]);
fields[1].path = NULL;
if (prv_kii_thing_if_json_read_object(kii, kii->kii_core.response_body,
strlen(kii->kii_core.response_body), fields)
!= KII_JSON_PARSE_SUCCESS) {
M_KII_LOG(kii->kii_core.logger_cb("fail to parse received message.\n"));
if (error != NULL) {
error->code = KII_THING_IF_ERROR_INVALID_PAYLOAD;
}
return -1;
}
return 0;
}
static kii_bool_t prv_onboard_with_vendor_thing_id(
kii_t* kii,
const char* vendor_thing_id,
const char* password,
const char* thing_type,
const char* thing_properties,
const char* firmware_version,
const char* layout_position,
kii_thing_if_error_t* error)
{
char resource_path[64];
kii_bool_t succeeded;
if (prv_kii_thing_if_get_anonymous_token(kii, error) != 0) {
M_KII_LOG(kii->kii_core.logger_cb("fail to get anonymous token.\n"));
return KII_FALSE;
}
succeeded = prv_set_onboard_resource_path(
kii->kii_core.app_id,
resource_path,