adds init function and getter for default cfg path

Change-Id: I620d485bb935f984efcfeaf29399d184d3261e7d
Signed-off-by: Tobias Jahnke <tobias.jahnke@microchip.com>

4 files changed, 84 insertions, 42 deletions

diff --git a/ucs2-afb/ucs_apidef.h b/ucs2-afb/ucs_apidef.h
index f8e9c9c..1dac82a 100644
--- a/ucs2-afb/ucs_apidef.h
+++ b/ucs2-afb/ucs_apidef.h
@@ -4,45 +4,46 @@ static const char _afb_description_v2_UNICENS[] =
     "a-3.0/default-schema.json\",\"info\":{\"description\":\"\",\"title\":\"u"
     "cs2\",\"version\":\"1.0\",\"x-binding-c-generator\":{\"api\":\"UNICENS\""
     ",\"version\":2,\"prefix\":\"ucs2_\",\"postfix\":\"\",\"start\":null,\"on"
-    "event\":null,\"init\":null,\"scope\":\"\",\"private\":false}},\"servers\""
-    ":[{\"url\":\"ws://{host}:{port}/api/monitor\",\"description\":\"Unicens2"
-    " API.\",\"variables\":{\"host\":{\"default\":\"localhost\"},\"port\":{\""
-    "default\":\"1234\"}},\"x-afb-events\":[{\"$ref\":\"#/components/schemas/"
-    "afb-event\"}]}],\"components\":{\"schemas\":{\"afb-reply\":{\"$ref\":\"#"
-    "/components/schemas/afb-reply-v2\"},\"afb-event\":{\"$ref\":\"#/componen"
-    "ts/schemas/afb-event-v2\"},\"afb-reply-v2\":{\"title\":\"Generic respons"
-    "e.\",\"type\":\"object\",\"required\":[\"jtype\",\"request\"],\"properti"
-    "es\":{\"jtype\":{\"type\":\"string\",\"const\":\"afb-reply\"},\"request\""
-    ":{\"type\":\"object\",\"required\":[\"status\"],\"properties\":{\"status"
-    "\":{\"type\":\"string\"},\"info\":{\"type\":\"string\"},\"token\":{\"typ"
-    "e\":\"string\"},\"uuid\":{\"type\":\"string\"},\"reqid\":{\"type\":\"str"
-    "ing\"}}},\"response\":{\"type\":\"object\"}}},\"afb-event-v2\":{\"type\""
-    ":\"object\",\"required\":[\"jtype\",\"event\"],\"properties\":{\"jtype\""
-    ":{\"type\":\"string\",\"const\":\"afb-event\"},\"event\":{\"type\":\"str"
-    "ing\"},\"data\":{\"type\":\"object\"}}}},\"x-permissions\":{\"config\":{"
-    "\"permission\":\"urn:AGL:permission:UNICENS:public:initialise\"},\"monit"
-    "or\":{\"permission\":\"urn:AGL:permission:UNICENS:public:monitor\"}},\"r"
-    "esponses\":{\"200\":{\"description\":\"A complex object array response\""
-    ",\"content\":{\"application/json\":{\"schema\":{\"$ref\":\"#/components/"
-    "schemas/afb-reply\"}}}}}},\"paths\":{\"/listconfig\":{\"description\":\""
-    "List Config Files\",\"get\":{\"x-permissions\":{\"$ref\":\"#/components/"
-    "x-permissions/config\"},\"parameters\":[{\"in\":\"query\",\"name\":\"cfg"
-    "path\",\"required\":false,\"schema\":{\"type\":\"string\"}}],\"responses"
-    "\":{\"200\":{\"$ref\":\"#/components/responses/200\"}}}},\"/initialise\""
-    ":{\"description\":\"configure Unicens2 lib from NetworkConfig.XML.\",\"g"
-    "et\":{\"x-permissions\":{\"$ref\":\"#/components/x-permissions/config\"}"
-    ",\"parameters\":[{\"in\":\"query\",\"name\":\"filename\",\"required\":tr"
-    "ue,\"schema\":{\"type\":\"string\"}}],\"responses\":{\"200\":{\"$ref\":\""
-    "#/components/responses/200\"}}}},\"/subscribe\":{\"description\":\"Subsc"
-    "ribe to UNICENS Events.\",\"get\":{\"x-permissions\":{\"$ref\":\"#/compo"
-    "nents/x-permissions/monitor\"},\"responses\":{\"200\":{\"$ref\":\"#/comp"
-    "onents/responses/200\"}}}},\"/writei2c\":{\"description\":\"Writes I2C c"
-    "ommand to remote node.\",\"get\":{\"x-permissions\":{\"$ref\":\"#/compon"
-    "ents/x-permissions/monitor\"},\"parameters\":[{\"in\":\"query\",\"name\""
-    ":\"node\",\"required\":true,\"schema\":{\"type\":\"integer\",\"format\":"
-    "\"int32\"}},{\"in\":\"query\",\"name\":\"data\",\"required\":true,\"sche"
-    "ma\":{\"type\":\"array\",\"format\":\"int32\"},\"style\":\"simple\"}],\""
-    "responses\":{\"200\":{\"$ref\":\"#/components/responses/200\"}}}}}}"
+    "event\":null,\"preinit\":null,\"init\":\"ucs2_initbinding\",\"scope\":\""
+    "\",\"private\":false}},\"servers\":[{\"url\":\"ws://{host}:{port}/api/mo"
+    "nitor\",\"description\":\"Unicens2 API.\",\"variables\":{\"host\":{\"def"
+    "ault\":\"localhost\"},\"port\":{\"default\":\"1234\"}},\"x-afb-events\":"
+    "[{\"$ref\":\"#/components/schemas/afb-event\"}]}],\"components\":{\"sche"
+    "mas\":{\"afb-reply\":{\"$ref\":\"#/components/schemas/afb-reply-v2\"},\""
+    "afb-event\":{\"$ref\":\"#/components/schemas/afb-event-v2\"},\"afb-reply"
+    "-v2\":{\"title\":\"Generic response.\",\"type\":\"object\",\"required\":"
+    "[\"jtype\",\"request\"],\"properties\":{\"jtype\":{\"type\":\"string\",\""
+    "const\":\"afb-reply\"},\"request\":{\"type\":\"object\",\"required\":[\""
+    "status\"],\"properties\":{\"status\":{\"type\":\"string\"},\"info\":{\"t"
+    "ype\":\"string\"},\"token\":{\"type\":\"string\"},\"uuid\":{\"type\":\"s"
+    "tring\"},\"reqid\":{\"type\":\"string\"}}},\"response\":{\"type\":\"obje"
+    "ct\"}}},\"afb-event-v2\":{\"type\":\"object\",\"required\":[\"jtype\",\""
+    "event\"],\"properties\":{\"jtype\":{\"type\":\"string\",\"const\":\"afb-"
+    "event\"},\"event\":{\"type\":\"string\"},\"data\":{\"type\":\"object\"}}"
+    "}},\"x-permissions\":{\"config\":{\"permission\":\"urn:AGL:permission:UN"
+    "ICENS:public:initialise\"},\"monitor\":{\"permission\":\"urn:AGL:permiss"
+    "ion:UNICENS:public:monitor\"}},\"responses\":{\"200\":{\"description\":\""
+    "A complex object array response\",\"content\":{\"application/json\":{\"s"
+    "chema\":{\"$ref\":\"#/components/schemas/afb-reply\"}}}}}},\"paths\":{\""
+    "/listconfig\":{\"description\":\"List Config Files\",\"get\":{\"x-permis"
+    "sions\":{\"$ref\":\"#/components/x-permissions/config\"},\"parameters\":"
+    "[{\"in\":\"query\",\"name\":\"cfgpath\",\"required\":false,\"schema\":{\""
+    "type\":\"string\"}}],\"responses\":{\"200\":{\"$ref\":\"#/components/res"
+    "ponses/200\"}}}},\"/initialise\":{\"description\":\"configure Unicens2 l"
+    "ib from NetworkConfig.XML.\",\"get\":{\"x-permissions\":{\"$ref\":\"#/co"
+    "mponents/x-permissions/config\"},\"parameters\":[{\"in\":\"query\",\"nam"
+    "e\":\"filename\",\"required\":true,\"schema\":{\"type\":\"string\"}}],\""
+    "responses\":{\"200\":{\"$ref\":\"#/components/responses/200\"}}}},\"/sub"
+    "scribe\":{\"description\":\"Subscribe to UNICENS Events.\",\"get\":{\"x-"
+    "permissions\":{\"$ref\":\"#/components/x-permissions/monitor\"},\"respon"
+    "ses\":{\"200\":{\"$ref\":\"#/components/responses/200\"}}}},\"/writei2c\""
+    ":{\"description\":\"Writes I2C command to remote node.\",\"get\":{\"x-pe"
+    "rmissions\":{\"$ref\":\"#/components/x-permissions/monitor\"},\"paramete"
+    "rs\":[{\"in\":\"query\",\"name\":\"node\",\"required\":true,\"schema\":{"
+    "\"type\":\"integer\",\"format\":\"int32\"}},{\"in\":\"query\",\"name\":\""
+    "data\",\"required\":true,\"schema\":{\"type\":\"array\",\"format\":\"int"
+    "32\"},\"style\":\"simple\"}],\"responses\":{\"200\":{\"$ref\":\"#/compon"
+    "ents/responses/200\"}}}}}}"
 ;
 
 static const struct afb_auth _afb_auths_v2_UNICENS[] = {
@@ -99,7 +100,7 @@ const struct afb_binding_v2 afbBindingV2 = {
     .info = "",
     .verbs = _afb_verbs_v2_UNICENS,
     .preinit = NULL,
-    .init = NULL,
+    .init = ucs2_initbinding,
     .onevent = NULL,
     .noconcurrency = 0
 };
diff --git a/ucs2-afb/ucs_apidef.json b/ucs2-afb/ucs_apidef.json
index b8d6311..1a00a97 100644
--- a/ucs2-afb/ucs_apidef.json
+++ b/ucs2-afb/ucs_apidef.json
@@ -12,7 +12,8 @@
       "postfix": "",
       "start": null ,
       "onevent": null,
-      "init": null,
+      "preinit": null,
+      "init": "ucs2_initbinding",
       "scope": "",
       "private": false
     }
diff --git a/ucs2-afb/ucs_binding.c b/ucs2-afb/ucs_binding.c
index e1451a0..a234410 100644
--- a/ucs2-afb/ucs_binding.c
+++ b/ucs2-afb/ucs_binding.c
@@ -42,6 +42,8 @@
 
 #define MAX_FILENAME_LEN (100)
 #define RX_BUFFER (64)
+#define XML_CONFIG_FOLDER "/data/"
+#define XML_CONFIG_FILE "config_multichannel_audio_kit.xml"
 
 /** Internal structure, enabling multiple instances of this component.
  * \note Do not access any of this variables.
@@ -286,6 +288,33 @@ int onReadCB (sd_event_source* src, int fileFd, uint32_t revents, void* pTag) {
     return 0;
 }
 
+
+STATIC char* GetDefaultConfig(void) {
+    
+    char const *data_path = getenv("AFM_APP_INSTALL_DIR");
+
+    if (!data_path) {
+        AFB_ERROR("AFM_APP_INSTALL_DIR is not defined");
+    }
+    else {
+        size_t size;
+        char * config_path;
+        
+        AFB_NOTICE("AFM_APP_INSTALL_DIR is: %s", data_path);
+        size = strlen(data_path) + strlen(XML_CONFIG_FOLDER) + strlen(XML_CONFIG_FILE) + 2;
+        config_path = malloc(size);
+        if (config_path != NULL) {
+            snprintf(config_path, size, "%s%s%s", data_path, XML_CONFIG_FOLDER, XML_CONFIG_FILE);
+            if(access(config_path, R_OK ) == 0) {
+                AFB_NOTICE("Default configuration: %s", config_path);
+                return config_path;
+            }
+        }
+    }
+    
+    return NULL;
+}
+
 STATIC UcsXmlVal_t* ParseFile(struct afb_req request) {
     char *xmlBuffer;
     ssize_t readSize;
@@ -366,7 +395,7 @@ PUBLIC void ucs2_initialise (struct afb_req request) {
         afb_req_fail_f (request, "UNICENS-init", "Fail to initialize UNICENS");
         goto OnErrorExit;
     }
-
+    
     afb_req_success(request,NULL,"UNICENS-active");
 
  OnErrorExit:
@@ -593,3 +622,13 @@ PUBLIC void ucs2_writei2c (struct afb_req request) {
  OnErrorExit:
     return;
 }
+
+PUBLIC int ucs2_initbinding(void) {
+    char *config_file = GetDefaultConfig();
+    if (config_file != NULL) {
+        
+        free(config_file);
+    }
+    
+    return 0;
+}
diff --git a/ucs2-afb/ucs_binding.h b/ucs2-afb/ucs_binding.h
index d909d41..9874ff4 100644
--- a/ucs2-afb/ucs_binding.h
+++ b/ucs2-afb/ucs_binding.h
@@ -43,6 +43,7 @@ extern const struct afb_binding_interface *afbIface;
 extern struct afb_service afbSrv;
 
 // API verbs prototype
+PUBLIC int ucs2_initbinding(void);
 PUBLIC void ucs2_configure (struct afb_req request);
 PUBLIC void ucs2_subscribe (struct afb_req request);
 PUBLIC void ucs2_writei2c  (struct afb_req request);