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-rw-r--r--MOST_UNICENS/wrap_unicens.c368
1 files changed, 0 insertions, 368 deletions
diff --git a/MOST_UNICENS/wrap_unicens.c b/MOST_UNICENS/wrap_unicens.c
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index 4b75780..0000000
--- a/MOST_UNICENS/wrap_unicens.c
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@@ -1,368 +0,0 @@
-/*
- * Copyright (C) 2017, Microchip Technology Inc. and its subsidiaries.
- * Author Tobias Jahnke
- *
- * 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.
- *
- */
-#define _GNU_SOURCE
-#define AFB_BINDING_VERSION 2
-
-#include <string.h>
-#include <json-c/json.h>
-#include <afb/afb-binding.h>
-#include "wrap_unicens.h"
-#include "wrap-json.h"
-
-typedef struct async_job_ {
- wrap_ucs_result_cb_t result_fptr;
- void *result_user_ptr;
-} async_job_t;
-
-typedef struct parse_result_ {
- int done;
- char *str_result;
-} parse_result_t;
-
-/* Subscribes to unicens2-binding events.
- * \return Returns 0 if successful, otherwise != 0".
- */
-extern int wrap_ucs_subscribe_sync() {
-
- json_object *j_response, *j_query = NULL;
- int err;
-
- /* Build an empty JSON object */
- err = wrap_json_pack(&j_query, "{}");
- if (err) {
- AFB_ERROR("Failed to create subscribe json object");
- goto OnErrorExit;
- }
-
- err = afb_service_call_sync("UNICENS", "subscribe", j_query, &j_response);
- if (err) {
- AFB_ERROR("Fail subscribing to UNICENS events");
- goto OnErrorExit;
- }
- else {
- AFB_NOTICE("Subscribed to UNICENS events, res=%s", json_object_to_json_string(j_response));
- json_object_put(j_response);
- }
- json_object_put(j_query);
- j_query = NULL;
-
-OnErrorExit:
- if (j_query)
- json_object_put(j_query);
- return err;
-}
-
-/* Checks if name ends with a given letter. */
-static int wrap_ucs_string_ends_with(const char *name, char letter) {
-
- int result = 0;
- size_t len = strlen(name);
-
- if (len > 0) {
-
- if (name[len] == letter) {
- result = 1;
- }
- }
-
- return result;
-}
-
-/* Callback for iteration through found files. Marks search as "done" as
- * soon as the search pattern "kit.xml" matches.
- * \param closure User reference. Points to parse_result_t.
- * \param j_obj Points to json object within array.
- */
-static void wrap_ucs_find_xml_cb(void *closure, struct json_object *j_obj) {
-
- const char *dir, *name;
- parse_result_t *result;
-
- if (!closure)
- return;
-
- result = (parse_result_t *)closure;
- if (result->done)
- return;
-
- wrap_json_unpack(j_obj, "{s:s, s:s}", "dirpath", &dir, "basename", &name);
- AFB_DEBUG("Found file: %s", name);
-
- if(strstr(name, "kit.xml") != NULL) {
- size_t sz = strlen(dir)+strlen(name)+10;
- char * full_path = malloc(sz);
-
- strncpy(full_path, dir, sz);
-
- if (!wrap_ucs_string_ends_with(dir, '/'))
- strncat(full_path, "/", sz);
-
- strncat(full_path, name, sz);
- AFB_DEBUG("Found XML file: %s", full_path);
-
- result->done = 1;
- result->str_result = full_path;
- }
-}
-
-/* Retrieves XML configuration path to initialize unicens2-binding.
- * \param config_path Directory containing XML configuration file(s).
- * \param file_found Points to found file_path or NULL if not found.
- * Memory must be released by calling free().
- * \return Returns 0 if successful, otherwise != 0".
- */
-extern int wrap_ucs_getconfig_sync(const char *config_path, char **file_found) {
-
- int err = 0;
- json_object *j_response, *j_query, *j_paths = NULL;
- parse_result_t result = {.done = 0, .str_result = NULL};
-
- *file_found = NULL;
-
- /* Build JSON object to retrieve UNICENS configuration */
- if ((config_path == NULL) || (strcmp(config_path, "") == 0))
- err = wrap_json_pack(&j_query, "{}");
- else
- err = wrap_json_pack(&j_query, "{s:s}", "cfgpath", config_path);
-
- if (err) {
- AFB_ERROR("Failed to create listconfig json object");
- goto OnErrorExit;
- }
-
- err = afb_service_call_sync("UNICENS", "listconfig", j_query, &j_response);
- if (err) {
- AFB_ERROR("Failed to call listconfig");
- goto OnErrorExit;
- }
- else {
- AFB_DEBUG("UNICENS listconfig result, res=%s", json_object_to_json_string(j_response));
-
- if (json_object_object_get_ex(j_response, "response", &j_paths)) {
-
- AFB_DEBUG("UNICENS listconfig result, paths=%s", json_object_to_json_string(j_paths));
-
- wrap_json_optarray_for_all(j_paths, &wrap_ucs_find_xml_cb, &result);
-
- if (result.done) {
- *file_found = strdup(result.str_result);
- free(result.str_result);
- result.str_result = NULL;
- }
- else {
- AFB_NOTICE("wrap_ucs_getconfig_sync, search pattern does not match for paths=%s", json_object_to_json_string(j_paths));
- err = -1;
- }
- }
-
- json_object_put(j_response);
- }
- json_object_put(j_query);
- j_query = NULL;
-
-OnErrorExit:
- if (j_query)
- json_object_put(j_query);
- return err;
-}
-
-/* Initializes the unicens2-binding.
- * \param file_name Path to XML configuration file or \c NULL for
- * first found file in default path.
- * \return Returns 0 if successful, otherwise != 0".
- */
-extern int wrap_ucs_initialize_sync(const char *file_name) {
- json_object *j_response, *j_query = NULL;
- int err;
-
- /* Build JSON object to initialize UNICENS */
- if (file_name != NULL)
- err = wrap_json_pack(&j_query, "{s:s}", "filename", file_name);
- else
- err = wrap_json_pack(&j_query, "{}");
-
- if (err) {
- AFB_ERROR("Failed to create initialize json object");
- goto OnErrorExit;
- }
- err = afb_service_call_sync("UNICENS", "initialise", j_query, &j_response);
- if (err) {
- AFB_ERROR("Failed to initialize UNICENS");
- goto OnErrorExit;
- }
- else {
- AFB_NOTICE("Initialized UNICENS, res=%s", json_object_to_json_string(j_response));
- json_object_put(j_response);
- }
-
- json_object_put(j_query);
- j_query = NULL;
-
-OnErrorExit:
- if (j_query)
- json_object_put(j_query);
- return err;
-}
-
-/* Write I2C command to a network node.
- * \param node Node address
- * \param data_ptr Reference to command data
- * \param data_sz Size of the command data. Valid values: 1..32.
- * \return Returns 0 if successful, otherwise != 0".
- */
-extern int wrap_ucs_i2cwrite_sync(uint16_t node, uint8_t *data_ptr, uint8_t data_sz) {
-
- json_object *j_response, *j_query, *j_array = NULL;
- int err;
- uint8_t cnt;
-
- j_query = json_object_new_object();
- j_array = json_object_new_array();
-
- if (!j_query || !j_array) {
- err = -1;
- AFB_ERROR("Failed to create writei2c json objects");
- goto OnErrorExit;
- }
-
- for (cnt = 0U; cnt < data_sz; cnt++) {
- json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
- }
-
- json_object_object_add(j_query, "node", json_object_new_int(node));
- json_object_object_add(j_query, "data", j_array);
-
- err = afb_service_call_sync("UNICENS", "writei2c", j_query, &j_response);
-
- if (err) {
- AFB_ERROR("Failed to call writei2c_sync");
- goto OnErrorExit;
- }
- else {
- AFB_INFO("Called writei2c_sync, res=%s", json_object_to_json_string(j_response));
- json_object_put(j_response);
- }
-
- json_object_put(j_query);
- j_query = NULL;
-
-OnErrorExit:
- if (j_query)
- json_object_put(j_query);
- return err;
-}
-
-/* ------------------ ASYNCHRONOUS API ---------------------------------------*/
-
-static void wrap_ucs_i2cwrite_cb(void *closure, int status, struct json_object *j_result) {
-
- AFB_INFO("wrap_ucs_i2cwrite_cb: closure=%p status=%d, res=%s", closure, status, json_object_to_json_string(j_result));
-
- if (closure) {
- async_job_t *job_ptr = (async_job_t *)closure;
-
- if (job_ptr->result_fptr)
- job_ptr->result_fptr((uint8_t)abs(status), job_ptr->result_user_ptr);
-
- free(closure);
- }
-}
-
-/* Write I2C command to a network node.
- * \param node Node address
- * \param data_ptr Reference to command data
- * \param data_sz Size of the command data. Valid values: 1..32.
- * \return Returns 0 if successful, otherwise != 0".
- */
-extern int wrap_ucs_i2cwrite(uint16_t node, uint8_t *data_ptr, uint8_t data_sz,
- wrap_ucs_result_cb_t result_fptr,
- void *result_user_ptr) {
-
- json_object *j_query, *j_array = NULL;
- async_job_t *job_ptr = NULL;
- int err;
- uint8_t cnt;
-
- j_query = json_object_new_object();
- j_array = json_object_new_array();
-
- if (!j_query || !j_array) {
- err = -1;
- AFB_ERROR("Failed to create writei2c json objects");
- goto OnErrorExit;
- }
-
- for (cnt = 0U; cnt < data_sz; cnt++) {
- json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
- }
-
- json_object_object_add(j_query, "node", json_object_new_int(node));
- json_object_object_add(j_query, "data", j_array);
-
- job_ptr = malloc(sizeof(async_job_t));
-
- if (!job_ptr) {
- err = -1;
- AFB_ERROR("Failed to create async job object");
- goto OnErrorExit;
- }
-
- job_ptr->result_fptr = result_fptr;
- job_ptr->result_user_ptr = result_user_ptr;
-
- afb_service_call("UNICENS", "writei2c", j_query, wrap_ucs_i2cwrite_cb, job_ptr);
- err = 0;
- j_query = NULL;
-
-OnErrorExit:
- if (j_query)
- json_object_put(j_query);
- return err;
-}
-
-extern int wrap_ucs_sendmessage(uint16_t src_addr, uint16_t msg_id, uint8_t *data_ptr, uint8_t data_sz) {
-
- json_object *j_query, *j_response = NULL;
- int err;
- int node = (int)src_addr;
- int msgid = (int)msg_id;
- size_t data_size = (size_t)data_sz;
-
- /* skip data attribute if possible, wrap_json_unpack may fail to deal with
- * an empty Base64 string */
- if (data_size > 0)
- wrap_json_pack(&j_query, "{s:i, s:i, s:Y}", "node", node, "msgid", msgid, "data", data_ptr, data_size);
- else
- wrap_json_pack(&j_query, "{s:i, s:i}", "node", node, "msgid", msgid);
-
- err = afb_service_call_sync("UNICENS", "sendmessage", j_query, &j_response);
-
- if (err) {
- AFB_ERROR("Failed to call wrap_ucs_sendmessage");
- goto OnErrorExit;
- }
- else {
- AFB_INFO("Called wrap_ucs_sendmessage, res=%s", json_object_to_json_string(j_response));
- json_object_put(j_response);
- }
-
- j_query = NULL;
-
-OnErrorExit:
- return err;
-}