Initial push work in progress

3 files changed, 230 insertions, 0 deletions

diff --git a/mixer-binding/CMakeLists.txt b/mixer-binding/CMakeLists.txt
new file mode 100644
index 0000000..bc4ebe6
--- /dev/null
+++ b/mixer-binding/CMakeLists.txt
@@ -0,0 +1,50 @@
+###########################################################################
+# Copyright 2015, 2016, 2017, 2018 IoT.bzh
+#
+# author: Fulup Ar Foll <fulup@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.
+###########################################################################
+
+
+# Add target to project dependency list
+PROJECT_TARGET_ADD(mixer-binding)
+
+    # Define project Targets
+    ADD_LIBRARY(${TARGET_NAME} MODULE mixer-binding.c)
+
+    SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+	PREFIX ""
+        LABELS "BINDING"
+	LINK_FLAGS  ${BINDINGS_LINK_FLAG}
+        OUTPUT_NAME ${TARGET_NAME}
+    )
+
+    TARGET_LINK_LIBRARIES(${TARGET_NAME}
+	    afb-helpers
+            ctl-utilities
+	    ${link_libraries}
+    )
+
+    # Define target includes for this target client
+    TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME}
+        PUBLIC  ${CMAKE_CURRENT_SOURCE_DIR}
+    )
+
+    # Define target includes for this target client
+    TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME}
+        PUBLIC  ${CMAKE_CURRENT_SOURCE_DIR}
+    )
+
+    # make sure config is copied before starting
+    add_dependencies(${TARGET_NAME} soft-mixer-config)
\ No newline at end of file
diff --git a/mixer-binding/mixer-binding.c b/mixer-binding/mixer-binding.c
new file mode 100644
index 0000000..ae83932
--- /dev/null
+++ b/mixer-binding/mixer-binding.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@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.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#include "mixer-binding.h"
+
+
+// default api to print log when apihandle not avaliable
+PUBLIC afb_dynapi *AFB_default;
+
+// Config Section definition (note: controls section index should match handle retrieval in HalConfigExec)
+static CtlSectionT ctrlSections[]= {
+    {.key="plugins" , .loadCB= PluginConfig},
+    {.key="controls", .loadCB= ControlConfig},
+
+    {.key=NULL}
+};
+
+STATIC void ctrlapi_ping (AFB_ReqT request) {
+    static int count=0;
+
+    count++;
+    AFB_ReqNotice (request, "Controller:ping count=%d", count);
+    AFB_ReqSucess(request,json_object_new_int(count), NULL);
+
+    return;
+}
+
+// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
+STATIC AFB_ApiVerbs CtrlApiVerbs[] = {
+    /* VERB'S NAME         FUNCTION TO CALL         SHORT DESCRIPTION */
+    { .verb = "ping",     .callback = ctrlapi_ping     , .info = "ping test for API"},
+    { .verb = NULL} /* marker for end of the array */
+};
+
+STATIC int CtrlLoadStaticVerbs (afb_dynapi *apiHandle, AFB_ApiVerbs *verbs) {
+    int errcount=0;
+
+    for (int idx=0; verbs[idx].verb; idx++) {
+        errcount+= afb_dynapi_add_verb(apiHandle, CtrlApiVerbs[idx].verb, NULL, CtrlApiVerbs[idx].callback, (void*)&CtrlApiVerbs[idx], CtrlApiVerbs[idx].auth, 0);
+    }
+
+    return errcount;
+};
+
+
+STATIC int CtrlInitOneApi (AFB_ApiT apiHandle) {
+
+    AFB_default = apiHandle; // hugely hack to make all V2 AFB_DEBUG to work in fileutils
+
+    // retrieve section config from api handle
+    CtlConfigT *ctrlConfig = (CtlConfigT*) afb_dynapi_get_userdata(apiHandle);
+    int err = CtlConfigExec (apiHandle, ctrlConfig);
+
+    return err;
+}
+
+// next generation dynamic API-V3 mode
+
+STATIC int CtrlLoadOneApi (void *cbdata, AFB_ApiT apiHandle) {
+    CtlConfigT *ctrlConfig = (CtlConfigT*) cbdata;
+
+    // save closure as api's data context
+    afb_dynapi_set_userdata(apiHandle, ctrlConfig);
+    
+    AFB_ApiNotice (apiHandle, "debug1");
+
+    // add static controls verbs
+    int err = CtrlLoadStaticVerbs (apiHandle, CtrlApiVerbs);
+    if (err) {
+        AFB_ApiError(apiHandle, "CtrlLoadSection fail to register static V2 verbs");
+        goto OnErrorExit;
+    }
+
+        AFB_ApiNotice (apiHandle, "debug2");
+
+    // load section for corresponding API
+    err= CtlLoadSections(apiHandle, ctrlConfig, ctrlSections);
+
+        AFB_ApiNotice (apiHandle, "debug3");
+        
+    // declare an event event manager for this API;
+    afb_dynapi_on_event(apiHandle, CtrlDispatchApiEvent);
+
+    // init API function (does not receive user closure ???
+    afb_dynapi_on_init(apiHandle, CtrlInitOneApi);
+
+    afb_dynapi_seal(apiHandle);
+    return err;
+
+OnErrorExit:
+    return 1;
+}
+
+
+PUBLIC int afbBindingVdyn(afb_dynapi *apiHandle) {
+
+    AFB_default = apiHandle;
+    AFB_ApiNotice (apiHandle, "Controller in afbBindingVdyn");
+
+    const char *dirList= getenv("CONTROL_CONFIG_PATH");
+    if (!dirList) dirList=CONTROL_CONFIG_PATH;
+
+    const char *configPath = CtlConfigSearch(apiHandle, dirList, "config-");
+    if (!configPath) {
+        AFB_ApiError(apiHandle, "CtlPreInit: No config-%s-* config found in %s ", GetBinderName(), dirList);
+        goto OnErrorExit;
+    }
+
+    // load config file and create API
+    CtlConfigT *ctrlConfig = CtlLoadMetaData (apiHandle, configPath);
+    if (!ctrlConfig) {
+        AFB_ApiError(apiHandle, "CtrlBindingDyn No valid control config file in:\n-- %s", configPath);
+        goto OnErrorExit;
+    }
+    
+
+    if (!ctrlConfig->api) {
+        AFB_ApiError(apiHandle, "CtrlBindingDyn API Missing from metadata in:\n-- %s", configPath);
+        goto OnErrorExit;
+    }
+    
+    AFB_ApiNotice (apiHandle, "Controller API='%s' info='%s'", ctrlConfig->api, ctrlConfig->info);
+    // create one API per config file (Pre-V3 return code ToBeChanged)
+    int status = afb_dynapi_new_api(apiHandle, ctrlConfig->api, ctrlConfig->info, 1, CtrlLoadOneApi, ctrlConfig);
+
+    return status;
+
+OnErrorExit:
+    return -1;
+}
+
diff --git a/mixer-binding/mixer-binding.h b/mixer-binding/mixer-binding.h
new file mode 100644
index 0000000..57d4ce9
--- /dev/null
+++ b/mixer-binding/mixer-binding.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@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.
+ */
+
+
+#ifndef _CTL_BINDING_INCLUDE_
+#define _CTL_BINDING_INCLUDE_
+
+#include <stdio.h>
+#include <alsa/asoundlib.h>
+
+#include <filescan-utils.h>
+#include <wrap-json.h>
+
+#include <ctl-config.h>
+
+#endif /* _CTL_BINDING_INCLUDE_ */