diff options
Diffstat (limited to '4a-hal/4a-internals-hal')
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.c | 633 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.h | 53 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-api-loader.c | 243 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-api-loader.h | 31 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-cb.c | 790 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-cb.h | 45 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.c | 389 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.h | 70 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-value-handler.c | 354 | ||||
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h | 53 |
10 files changed, 2661 insertions, 0 deletions
diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.c b/4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.c new file mode 100644 index 0000000..d092ddf --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.c @@ -0,0 +1,633 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 <wrap-json.h> + +#include <alsa/asoundlib.h> + +#include <afb/afb-binding.h> + +#include <ctl-config.h> + +#include "4a-hal-utilities-alsa-data.h" +#include "4a-hal-utilities-data.h" + +#include "4a-internals-hal-alsacore-link.h" +#include "4a-internals-hal-value-handler.h" + +/******************************************************************************* + * Map to alsa control types * + ******************************************************************************/ + +static const char *const snd_ctl_elem_type_names[] = { + [SND_CTL_ELEM_TYPE_NONE]= "NONE", + [SND_CTL_ELEM_TYPE_BOOLEAN]= "BOOLEAN", + [SND_CTL_ELEM_TYPE_INTEGER]="INTEGER", + [SND_CTL_ELEM_TYPE_ENUMERATED]="ENUMERATED", + [SND_CTL_ELEM_TYPE_BYTES]="BYTES", + [SND_CTL_ELEM_TYPE_IEC958]="IEC958", + [SND_CTL_ELEM_TYPE_INTEGER64]="INTEGER64", +}; + +/******************************************************************************* + * Alsa control types map from string function * + ******************************************************************************/ + +snd_ctl_elem_type_t InternalHalMapsAlsaTypeToEnum(const char *label) +{ + int idx; + static int length = sizeof(snd_ctl_elem_type_names) / sizeof(char *); + + for(idx = 0; idx < length; idx++) { + if(! strcasecmp(label, snd_ctl_elem_type_names[idx])) + return (snd_ctl_elem_type_t) idx; + } + + return SND_CTL_ELEM_TYPE_NONE; +} + +/******************************************************************************* + * Internals HAL - Alsacore calls funtions * + ******************************************************************************/ + +int InternalHalGetCardIdByCardPath(afb_api_t apiHandle, char *devPath) +{ + int errorToReturn, cardId; + + char *returnedError = NULL, *returnedInfo = NULL; + + json_object *toSendJ, *responseJ = NULL; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Api handle not available"); + return -1; + } + + if(! devPath) { + AFB_API_ERROR(apiHandle, "Dev path is not available"); + return -2; + } + + wrap_json_pack(&toSendJ, "{s:s}", "cardPath", devPath); + + if(afb_api_call_sync(apiHandle, + ALSACORE_API, + ALSACORE_GETINFO_VERB, + toSendJ, + &responseJ, + &returnedError, + &returnedInfo)) { + AFB_API_ERROR(apiHandle, + "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'", + ALSACORE_GETINFO_VERB, + ALSACORE_API, + returnedError ? returnedError : "not returned", + returnedInfo ? returnedInfo : "not returned"); + errorToReturn = -3; + } + else if(! responseJ) { + AFB_API_ERROR(apiHandle, + "Seems that %s call to api %s succeed but no response was returned", + ALSACORE_GETINFO_VERB, + ALSACORE_API); + errorToReturn = -4; + } + else if(! json_object_is_type(responseJ, json_type_object)) { + AFB_API_ERROR(apiHandle, + "Seems that %s call to api %s succeed but the returned response is invalid", + ALSACORE_GETINFO_VERB, + ALSACORE_API); + errorToReturn = -5; + } + else if(wrap_json_unpack(responseJ, "{s:i}", "cardNb", &cardId)) { + AFB_API_WARNING(apiHandle, "Response card id is not present/valid"); + errorToReturn = -6; + } + else { + return cardId; + } + + if(responseJ) + json_object_put(responseJ); + + free(returnedError); + free(returnedInfo); + + return errorToReturn; +} + +int InternalHalSubscribeToAlsaCardEvent(afb_api_t apiHandle, char *cardId) +{ + int err = 0; + + char *returnedError = NULL, *returnedInfo = NULL; + + json_object *subscribeQueryJ, *responseJ = NULL; + + wrap_json_pack(&subscribeQueryJ, "{s:s}", "devid", cardId); + if(afb_api_call_sync(apiHandle, + ALSACORE_API, + ALSACORE_SUBSCRIBE_VERB, + subscribeQueryJ, + &responseJ, + &returnedError, + &returnedInfo)) { + AFB_API_ERROR(apiHandle, + "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'", + ALSACORE_SUBSCRIBE_VERB, + ALSACORE_API, + returnedError ? returnedError : "not returned", + returnedInfo ? returnedInfo : "not returned"); + err = -1; + } + + if(responseJ) + json_object_put(responseJ); + + free(returnedError); + free(returnedInfo); + + return err; +} + +int InternalHalGetAlsaCtlInfo(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *currentAlsaCtl, json_object **returnedDataJ) +{ + int err = 0; + + char *returnedError = NULL, *returnedInfo = NULL; + + json_object *queryJ, *responseJ = NULL; + + *returnedDataJ = NULL; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Api handle not available"); + return -1; + } + + if(! cardId) { + AFB_API_ERROR(apiHandle, "Card id is not available"); + return -2; + } + + if(! currentAlsaCtl) { + AFB_API_ERROR(apiHandle, "Alsa control data structure is not available"); + return -3; + } + + if(currentAlsaCtl->name && currentAlsaCtl->numid > 0) { + AFB_API_DEBUG(apiHandle, + "Both a control name (%s) and a control uid (%i) are specified, control uid will be used", + currentAlsaCtl->name, + currentAlsaCtl->numid); + } + + if(currentAlsaCtl->numid > 0) { + wrap_json_pack(&queryJ, "{s:s s:i s:i}", "devid", cardId, "ctl", currentAlsaCtl->numid, "mode", 3); + } + else if(currentAlsaCtl->name) { + wrap_json_pack(&queryJ, "{s:s s:s s:i}", "devid", cardId, "ctl", currentAlsaCtl->name, "mode", 3); + } + else { + AFB_API_ERROR(apiHandle, "Need at least a control name or a control id"); + return -4; + } + + if(afb_api_call_sync(apiHandle, + ALSACORE_API, + ALSACORE_CTLGET_VERB, + queryJ, + &responseJ, + &returnedError, + &returnedInfo)) { + AFB_API_ERROR(apiHandle, + "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'", + ALSACORE_CTLGET_VERB, + ALSACORE_API, + returnedError ? returnedError : "not returned", + returnedInfo ? returnedInfo : "not returned"); + free(returnedError); + free(returnedInfo); + return -5; + } + else if(! responseJ) { + AFB_API_ERROR(apiHandle, + "Seems that %s call to api %s succeed but no response was returned", + ALSACORE_CTLGET_VERB, + ALSACORE_API); + return -6; + } + else if(currentAlsaCtl->name && wrap_json_unpack(responseJ, "{s:i}", "id", ¤tAlsaCtl->numid)) { + AFB_API_ERROR(apiHandle, "Can't find alsa control 'id' from control 'name': '%s' on device '%s'", currentAlsaCtl->name, cardId); + json_object_put(responseJ); + return -7; + } + + *returnedDataJ = responseJ; + + return err; +} + +int InternalHalUpdateAlsaCtlProperties(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *currentAlsaCtl) +{ + int err = 0; + + json_object *returnedDataJ; + + err = InternalHalGetAlsaCtlInfo(apiHandle, cardId, currentAlsaCtl, &returnedDataJ); + if(err) { + return err; + } + // TBD JAI : get dblinear/dbminmax/... values + else if(wrap_json_unpack(returnedDataJ, + "{s:{s?:i s?:i s?:i s?:i s?:i}}", + "ctl", + "type", (int *) ¤tAlsaCtl->alsaCtlProperties.type, + "count", ¤tAlsaCtl->alsaCtlProperties.count, + "min", ¤tAlsaCtl->alsaCtlProperties.minval, + "max", ¤tAlsaCtl->alsaCtlProperties.maxval, + "step", ¤tAlsaCtl->alsaCtlProperties.step)) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to get control %i properties on device '%s' : '%s'", + currentAlsaCtl->numid, + cardId, + json_object_get_string(returnedDataJ)); + + err = -8; + } + + if(returnedDataJ) + json_object_put(returnedDataJ); + + return err; +} + +int InternalHalGetAlsaCtlValues(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *currentAlsaCtl, json_object **returnedValuesJ) +{ + int err = 0; + + json_object *returnedDataJ = NULL, *returnedValuesArrayJ; + + *returnedValuesJ = NULL; + + err = InternalHalGetAlsaCtlInfo(apiHandle, cardId, currentAlsaCtl, &returnedDataJ); + if(err) { + return err; + } + else if(wrap_json_unpack(returnedDataJ, "{s:o}", "val", &returnedValuesArrayJ)) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to get control %i values on device '%s' : '%s'", + currentAlsaCtl->numid, + cardId, + json_object_get_string(returnedValuesArrayJ)); + + err = -8; + } + else if(! json_object_is_type(returnedValuesArrayJ, json_type_array)) { + AFB_API_ERROR(apiHandle, + "Json returned by control %i values on device '%s' are not an array ('%s')", + currentAlsaCtl->numid, + cardId, + json_object_get_string(returnedValuesArrayJ)); + + err = -9; + } + + if(! err) + *returnedValuesJ = json_object_get(returnedValuesArrayJ); + + if(returnedDataJ) + json_object_put(returnedDataJ); + + return err; +} + +int InternalHalSetAlsaCtlValue(afb_api_t apiHandle, char *cardId, int ctlId, json_object *valuesJ) +{ + int err = 0; + + char *returnedError = NULL, *returnedInfo = NULL; + + json_object *queryJ, *responseJ = NULL; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Api handle not available"); + return -1; + } + + if(! cardId) { + AFB_API_ERROR(apiHandle, "Card id is not available"); + return -2; + } + + if(ctlId <= 0) { + AFB_API_ERROR(apiHandle, "Alsa control id is not valid"); + return -3; + } + + if(! valuesJ) { + AFB_API_ERROR(apiHandle, "Values to set json is not available"); + return -4; + } + + wrap_json_pack(&queryJ, "{s:s s:{s:i s:o}}", "devid", cardId, "ctl", "id", ctlId, "val", json_object_get(valuesJ)); + + if(afb_api_call_sync(apiHandle, + ALSACORE_API, + ALSACORE_CTLSET_VERB, + queryJ, + &responseJ, + &returnedError, + &returnedInfo)) { + AFB_API_ERROR(apiHandle, + "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'", + ALSACORE_CTLSET_VERB, + ALSACORE_API, + returnedError ? returnedError : "not returned", + returnedInfo ? returnedInfo : "not returned"); + err = -5; + } + + if(responseJ) + json_object_put(responseJ); + + free(returnedError); + free(returnedInfo); + + return err; +} + +int InternalHalCreateAlsaCtl(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *alsaCtlToCreate) +{ + int err = 0; + + char *returnedError = NULL, *returnedInfo = NULL; + + json_object *queryJ, *responseJ = NULL; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Api handle not available"); + return -1; + } + + if(! cardId) { + AFB_API_ERROR(apiHandle, "Card id is not available"); + return -2; + } + + if(! alsaCtlToCreate) { + AFB_API_ERROR(apiHandle, "Alsa control data structure is not available"); + return -3; + } + + if(! alsaCtlToCreate->alsaCtlCreation) { + AFB_API_ERROR(apiHandle, "Alsa control data for creation structure is not available"); + return -4; + } + + wrap_json_pack(&queryJ, "{s:s s:{s:i s:s s?:i s?:i s?:i s:i s:i}}", + "devid", cardId, + "ctl", + "ctl", -1, + "name", alsaCtlToCreate->name, + "min", alsaCtlToCreate->alsaCtlCreation->minval, + "max", alsaCtlToCreate->alsaCtlCreation->maxval, + "step", alsaCtlToCreate->alsaCtlCreation->step, + "type", (int) alsaCtlToCreate->alsaCtlCreation->type, + "count", alsaCtlToCreate->alsaCtlCreation->count); + + if(afb_api_call_sync(apiHandle, + ALSACORE_API, + ALSACORE_ADDCTL_VERB, + queryJ, + &responseJ, + &returnedError, + &returnedInfo)) { + AFB_API_ERROR(apiHandle, + "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'", + ALSACORE_ADDCTL_VERB, + ALSACORE_API, + returnedError ? returnedError : "not returned", + returnedInfo ? returnedInfo : "not returned"); + err = -5; + } + else if(! responseJ) { + AFB_API_ERROR(apiHandle, + "Seems that %s call to api %s succeed but no response was returned", + ALSACORE_ADDCTL_VERB, + ALSACORE_API); + err = -6; + } + else if(wrap_json_unpack(responseJ, "{s:i}", "id", &alsaCtlToCreate->numid)) { + AFB_API_ERROR(apiHandle, + "Can't get create id from %s of %s api", + ALSACORE_ADDCTL_VERB, + ALSACORE_API); + err = -7; + } + else if(wrap_json_unpack(responseJ, "{s:o}", "ctl", NULL)) { + AFB_API_WARNING(apiHandle, "Control %s was already present but has been updated", alsaCtlToCreate->name); + } + + if(responseJ) + json_object_put(responseJ); + + free(returnedError); + free(returnedInfo); + + return err; +} + +/******************************************************************************* + * Internals HAL - Alsacore controls request callback * + ******************************************************************************/ + +void InternalHalActionOnAlsaCtl(afb_req_t request) +{ + char cardIdString[6]; + + afb_api_t apiHandle; + + CtlConfigT *ctrlConfig; + + struct HalData *currentHalData; + struct InternalHalAlsaMap *currentAlsaCtl; + + json_object *requestJson, + *valueJ, + *convertedJ, + *answerJ, + *previousControlValuesJ, + *normalizedPreviousControlValuesJ, + *appliedControlValuesJ, + *normalizedAppliedControlValuesJ; + + if(! (apiHandle = afb_req_get_api(request))) { + afb_req_fail(request, "api_handle", "Can't get current hal controller api handle"); + return; + } + + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) { + afb_req_fail(request, "hal_controller_config", "Can't get current hal controller config"); + return; + } + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) { + afb_req_fail(request, "hal_controller_data", "Can't get current hal controller data"); + return; + } + + if(currentHalData->status == HAL_STATUS_UNAVAILABLE) { + afb_req_fail(request, "hal_unavailable", "Seems that hal is not available"); + return; + } + + currentAlsaCtl = (struct InternalHalAlsaMap *) afb_req_get_vcbdata(request); + if(! currentAlsaCtl) { + afb_req_fail(request, "alsa_control_data", "Can't get current alsa control data"); + return; + } + + if(currentAlsaCtl->ctl.numid <= 0) { + afb_req_fail(request, "alsa_control_id", "Alsa control id is not valid"); + return; + } + + snprintf(cardIdString, 6, "hw:%i", currentHalData->sndCardId); + + if(InternalHalGetAlsaCtlValues(apiHandle, cardIdString, ¤tAlsaCtl->ctl, &previousControlValuesJ)) { + afb_req_fail_f(request, "previous_values", "Error when trying to get unchanged alsa control values"); + return; + } + else if(InternalHalConvertJsonValues(apiHandle, + ¤tAlsaCtl->ctl.alsaCtlProperties, + previousControlValuesJ, + &normalizedPreviousControlValuesJ, + CONVERSION_ALSACORE_TO_NORMALIZED)) { + afb_req_fail_f(request, + "request_json", + "Error when trying to normalize unchanged alsa control values json '%s'", + json_object_get_string(previousControlValuesJ)); + json_object_put(previousControlValuesJ); + return; + } + + if(! (requestJson = afb_req_json(request))) { + wrap_json_pack(&answerJ, + "{s:o}", + "current", normalizedPreviousControlValuesJ); + afb_req_success(request, answerJ, "Current controls values"); + json_object_put(previousControlValuesJ); + return; + } + + if(! json_object_is_type(requestJson, json_type_object)) { + afb_req_fail_f(request, "request_json", "Request json is not valid '%s'", json_object_get_string(requestJson)); + json_object_put(previousControlValuesJ); + json_object_put(normalizedPreviousControlValuesJ); + return; + } + + if(wrap_json_unpack(requestJson, "{s:o}", "value", &valueJ)) { + afb_req_fail_f(request, + "request_json", "Error when trying to get request value object inside request '%s'", + json_object_get_string(requestJson)); + json_object_put(previousControlValuesJ); + json_object_put(normalizedPreviousControlValuesJ); + return; + } + + if((! json_object_is_type(valueJ, json_type_string)) && + InternalHalConvertJsonValues(apiHandle, + ¤tAlsaCtl->ctl.alsaCtlProperties, + valueJ, + &convertedJ, + CONVERSION_NORMALIZED_TO_ALSACORE)) { + afb_req_fail_f(request, + "request_json", + "Error when trying to convert request values '%s'", + json_object_get_string(valueJ)); + json_object_put(previousControlValuesJ); + json_object_put(normalizedPreviousControlValuesJ); + return; + } + else if(json_object_is_type(valueJ, json_type_string) && + InternalHalChangePreviousValuesUsingJson(apiHandle, + ¤tAlsaCtl->ctl.alsaCtlProperties, + valueJ, + previousControlValuesJ, + &convertedJ)) { + afb_req_fail_f(request, + "previous_values", + "Error when trying to generate changed alsa control values (values : '%s', previous :'%s')", + json_object_get_string(valueJ), + json_object_get_string(previousControlValuesJ)); + json_object_put(previousControlValuesJ); + json_object_put(normalizedPreviousControlValuesJ); + return; + } + + json_object_put(previousControlValuesJ); + + if(InternalHalSetAlsaCtlValue(apiHandle, cardIdString, currentAlsaCtl->ctl.numid, convertedJ)) { + afb_req_fail_f(request, + "alsa_control_call_error", + "Error while trying to set value on alsa control %i, device '%s', converted message '%s'", + currentAlsaCtl->ctl.numid, + cardIdString, + json_object_get_string(convertedJ)); + json_object_put(convertedJ); + json_object_put(normalizedPreviousControlValuesJ); + return; + } + + json_object_put(convertedJ); + + if(InternalHalGetAlsaCtlValues(apiHandle, cardIdString, ¤tAlsaCtl->ctl, &appliedControlValuesJ)) { + afb_req_fail_f(request, "applied_values", "Error when trying to get applied alsa control values"); + json_object_put(normalizedPreviousControlValuesJ); + return; + } + else if(InternalHalConvertJsonValues(apiHandle, + ¤tAlsaCtl->ctl.alsaCtlProperties, + appliedControlValuesJ, + &normalizedAppliedControlValuesJ, + CONVERSION_ALSACORE_TO_NORMALIZED)) { + afb_req_fail_f(request, + "request_json", + "Error when trying to normalize applied values json '%s'", + json_object_get_string(appliedControlValuesJ)); + json_object_put(normalizedPreviousControlValuesJ); + json_object_put(appliedControlValuesJ); + return; + } + + json_object_put(appliedControlValuesJ); + + wrap_json_pack(&answerJ, + "{s:o, s:o}", + "previous", normalizedPreviousControlValuesJ, + "current", normalizedAppliedControlValuesJ); + + afb_req_success(request, answerJ, "Values correctly applied on alsa control"); +}
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.h b/4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.h new file mode 100644 index 0000000..065e017 --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-alsacore-link.h @@ -0,0 +1,53 @@ +/* +* Copyright (C) 2018 "IoT.bzh" +* Author Jonathan Aillet <jonathan.aillet@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 _INTERNALS_HAL_ALSACORE_LINK_INCLUDE_ +#define _INTERNALS_HAL_ALSACORE_LINK_INCLUDE_ + +#include <stdio.h> + +#include <wrap-json.h> + +#include <alsa/asoundlib.h> + +#include <afb/afb-binding.h> + +#include <ctl-config.h> + +#include "4a-hal-utilities-alsa-data.h" + +#define ALSACORE_API "alsacore" +#define ALSACORE_SUBSCRIBE_VERB "subscribe" +#define ALSACORE_GETINFO_VERB "infoget" +#define ALSACORE_CTLGET_VERB "ctlget" +#define ALSACORE_CTLSET_VERB "ctlset" +#define ALSACORE_ADDCTL_VERB "addcustomctl" + +// Alsa control types map from string function +snd_ctl_elem_type_t InternalHalMapsAlsaTypeToEnum(const char *label); + +// Internals HAL alsacore calls funtions +int InternalHalGetCardIdByCardPath(afb_api_t apiHandle, char *devPath); +int InternalHalSubscribeToAlsaCardEvent(afb_api_t apiHandle, char *cardId); +int InternalHalUpdateAlsaCtlProperties(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *currentAlsaCtl); +int InternalHalSetAlsaCtlValue(afb_api_t apiHandle, char *cardId, int ctlId, json_object *valuesJ); +int InternalHalCreateAlsaCtl(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *alsaCtlToCreate); + +// Internals HAL alsacore controls request callback +void InternalHalActionOnAlsaCtl(afb_req_t request); + +#endif /* _INTERNALS_HAL_ALSACORE_LINK_INCLUDE_ */
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-api-loader.c b/4a-hal/4a-internals-hal/4a-internals-hal-api-loader.c new file mode 100644 index 0000000..94891b8 --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-api-loader.c @@ -0,0 +1,243 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 <filescan-utils.h> +#include <wrap-json.h> + +#include <afb/afb-binding.h> + +#include <ctl-config.h> + +#include "4a-hal-utilities-verbs-loader.h" +#include "4a-internals-hal-api-loader.h" +#include "4a-internals-hal-alsacore-link.h" +#include "4a-internals-hal-cb.h" +#include "4a-internals-hal-mixer-link.h" + +// Default api to print log when apihandle not available +afb_api_t AFB_default; + +/******************************************************************************* + * Json parsing functions using controller * + ******************************************************************************/ + +// Config Section definition +static CtlSectionT ctrlSectionsDefault[] = +{ + { .key = "resources", .loadCB = PluginConfig }, + { .key = "halmixer", .loadCB = InternalHalHalMixerConfig }, + { .key = "onload", .loadCB = OnloadConfig }, + { .key = "controls", .loadCB = ControlConfig }, + { .key = "events", .loadCB = EventConfig }, + { .key = "halmap", .loadCB = InternalHalHalMapConfig }, + { .key = NULL } +}; + +/******************************************************************************* + * Dynamic HAL verbs' functions * + ******************************************************************************/ + +// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT +static afb_verb_t InternalHalApiStaticVerbs[] = +{ + /* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */ + { .verb = "info", .callback = InternalHalInfo, .info = "List available streams/playbacks/captures/controls for this api" }, + { .verb = "subscribe", .callback = InternalHalSubscribe, .info = "Subscribe to event(s) for values changes (streams/playbacks/captures/controls) for this api" }, + { .verb = "unsubscribe", .callback = InternalHalUnsubscribe, .info = "Unsubscribe to event(s) for values changes (streams/playbacks/captures/controls) for this api" }, + { .verb = NULL } // Marker for end of the array +}; + +/******************************************************************************* + * Dynamic API functions for internals hal * + ******************************************************************************/ + +static int InternalHalInitOneApi(afb_api_t apiHandle) +{ + CtlConfigT *ctrlConfig; + struct HalData *currentHalData; + + if(! apiHandle) + return -1; + + // Hugely hack to make all V2 AFB_DEBUG to work in fileutils + AFB_default = apiHandle; + + // Retrieve section config from api handle + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) + return -2; + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) + return -3; + + // Fill HalDatadata structure + currentHalData->internal = 1; + + currentHalData->sndCardPath = (char *) ctrlConfig->uid; + currentHalData->info = (char *) ctrlConfig->info; + + currentHalData->author = (char *) ctrlConfig->author; + currentHalData->version = (char *) ctrlConfig->version; + currentHalData->date = (char *) ctrlConfig->date; + + currentHalData->internalHalData->apiHandle = apiHandle; + currentHalData->internalHalData->ctrlConfig = ctrlConfig; + + currentHalData->sndCardId = InternalHalGetCardIdByCardPath(apiHandle, currentHalData->sndCardPath); + + currentHalData->internalHalData->streamUpdates = afb_api_make_event(apiHandle, HAL_STREAM_UPDATES_EVENT_NAME); + if(! currentHalData->internalHalData->streamUpdates) + return -4; + + if(currentHalData->sndCardId < 0) + currentHalData->status = HAL_STATUS_UNAVAILABLE; + else + currentHalData->status = HAL_STATUS_AVAILABLE; + + // TBD JAI: handle refresh of hal status for dynamic card (/dev/by-id) + + return CtlConfigExec(apiHandle, ctrlConfig); +} + +static int InternalHalLoadOneApi(void *cbdata, afb_api_t apiHandle) +{ + int err; + CtlConfigT *ctrlConfig; + CtlSectionT *ctrlCurrentSections; + + if(! cbdata || ! apiHandle) + return -1; + + ctrlConfig = (CtlConfigT*) cbdata; + + // Save closure as api's data context + afb_api_set_userdata(apiHandle, ctrlConfig); + + // Add static controls verbs + if(HalUtlLoadVerbs(apiHandle, InternalHalApiStaticVerbs)) { + AFB_API_ERROR(apiHandle, "Load Section : fail to register static V2 verbs"); + return 1; + } + + ctrlCurrentSections = malloc(sizeof(ctrlSectionsDefault)); + memcpy(ctrlCurrentSections, ctrlSectionsDefault, sizeof(ctrlSectionsDefault)); + + // Load section for corresponding Api + if((err = CtlLoadSections(apiHandle, ctrlConfig, ctrlCurrentSections))) + return err; + + // Declare an event manager for this Api + afb_api_on_event(apiHandle, InternalHalDispatchApiEvent); + + // Init Api function (does not receive user closure ???) + afb_api_on_init(apiHandle, InternalHalInitOneApi); + + return 0; +} + +int InternalHalCreateApi(afb_api_t apiHandle, char *path, struct HalMgrData *halMgrData) +{ + CtlConfigT *ctrlConfig; + struct HalData *currentHalData; + + if(! apiHandle || ! path || ! halMgrData) + return -1; + + // Create one Api per file + ctrlConfig = CtlLoadMetaData(apiHandle, path); + if(! ctrlConfig) { + AFB_API_ERROR(apiHandle, "No valid control config file in:\n-- %s", path); + return -2; + } + + if(! ctrlConfig->api) { + AFB_API_ERROR(apiHandle, "API Missing from metadata in:\n-- %s", path); + return -3; + } + + // Allocation of current hal controller data + currentHalData = HalUtlAddHalToHalList(&halMgrData->halDataList); + if(! currentHalData) + return -4; + + currentHalData->apiName = (char *) ctrlConfig->api; + + // Stores hal data in controller config + setExternalData(ctrlConfig, (void *) currentHalData); + + // Allocation of the structure that will be used to store internal hal data + currentHalData->internalHalData = calloc(1, sizeof(struct InternalHalData)); + + // Create one API + if(! afb_api_new_api(apiHandle, ctrlConfig->api, ctrlConfig->info, 1, InternalHalLoadOneApi, ctrlConfig)) + return -5; + + return 0; +} + +int InternalHalCreateAllApi(afb_api_t apiHandle, struct HalMgrData *halMgrData) +{ + int index, status = 0; + char *dirList, *fileName, *fullPath; + char filePath[CONTROL_MAXPATH_LEN]; + + filePath[CONTROL_MAXPATH_LEN - 1] = '\0'; + + json_object *configJ, *entryJ; + + if(! apiHandle || ! halMgrData) + return -1; + + // Hugely hack to make all V2 AFB_DEBUG to work in fileutils + AFB_default = apiHandle; + + AFB_API_NOTICE(apiHandle, "Begining to create all APIs"); + + dirList = getenv("CONTROL_CONFIG_PATH"); + if(! dirList) + dirList = CONTROL_CONFIG_PATH; + + configJ = CtlConfigScan(dirList, "hal"); + if(! configJ) { + AFB_API_WARNING(apiHandle, "No hal-(binder-middle-name)*.json config file(s) found in %s, 4a-hal-manager will only works with external hal", dirList); + return 0; + } + + // We load 1st file others are just warnings + for(index = 0; index < (int) json_object_array_length(configJ); index++) { + entryJ = json_object_array_get_idx(configJ, index); + + if(wrap_json_unpack(entryJ, "{s:s, s:s !}", "fullpath", &fullPath, "filename", &fileName)) { + AFB_API_ERROR(apiHandle, "HOOPs invalid JSON entry = %s", json_object_get_string(entryJ)); + return -2; + } + + strncpy(filePath, fullPath, sizeof(filePath) - 1); + strncat(filePath, "/", sizeof(filePath) - 1); + strncat(filePath, fileName, sizeof(filePath) - 1); + + if(InternalHalCreateApi(apiHandle, filePath, halMgrData) < 0) + status--; + } + + return status; +}
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-api-loader.h b/4a-hal/4a-internals-hal/4a-internals-hal-api-loader.h new file mode 100644 index 0000000..fa878e2 --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-api-loader.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 _INTERNALS_HAL_API_LOADER_INCLUDE_ +#define _INTERNALS_HAL_API_LOADER_INCLUDE_ + +#include <stdio.h> + +#include <afb/afb-binding.h> + +#include "4a-hal-utilities-data.h" + +// Verbs that can be use to create api +int InternalHalCreateApi(afb_api_t apiHandle, char *path, struct HalMgrData *halMgrData); +int InternalHalCreateAllApi(afb_api_t apiHandle, struct HalMgrData *halMgrData); + +#endif /* _INTERNALS_HAL_API_LOADER_INCLUDE_ */
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-cb.c b/4a-hal/4a-internals-hal/4a-internals-hal-cb.c new file mode 100644 index 0000000..0102d8d --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-cb.c @@ -0,0 +1,790 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 <wrap-json.h> + +#include <afb/afb-binding.h> + +#include "4a-hal-utilities-data.h" + +#include "4a-internals-hal-cb.h" +#include "4a-internals-hal-alsacore-link.h" +#include "4a-internals-hal-mixer-link.h" +#include "4a-internals-hal-value-handler.h" + +/******************************************************************************* + * Internals HAL Event handler function * + ******************************************************************************/ + +void InternalHalDispatchApiEvent(afb_api_t apiHandle, const char *evtLabel, json_object *eventJ) +{ + int numid, idx = 0, cardidx; + + CtlConfigT *ctrlConfig; + CtlSourceT source; + + struct HalData *currentHalData; + struct InternalHalAlsaMapT *currentHalAlsaCtlsT; + + json_object *valuesJ, *normalizedValuesJ; + + AFB_API_DEBUG(apiHandle, "Evtname=%s [msg=%s]", evtLabel, json_object_get_string(eventJ)); + + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) { + AFB_API_ERROR(apiHandle, "Can't get current internal hal controller config"); + return; + } + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) { + AFB_API_WARNING(apiHandle, "Can't get current internal hal controller data"); + return; + } + + // Extract sound card index from event + while(evtLabel[idx] != '\0' && evtLabel[idx] != ':') + idx++; + + if(evtLabel[idx] != '\0' && + sscanf(&evtLabel[idx + 1], "%d", &cardidx) == 1 && + currentHalData->sndCardId == cardidx) { + if(wrap_json_unpack(eventJ, "{s:i s:o !}", "id", &numid, "val", &valuesJ)) { + AFB_API_ERROR(apiHandle, "Invalid Alsa Event label=%s value=%s", evtLabel, json_object_get_string(eventJ)); + return; + } + + currentHalAlsaCtlsT = currentHalData->internalHalData->alsaMapT; + + // Search for corresponding numid in halCtls, if found, launch callback (if available) + for(idx = 0; idx < currentHalAlsaCtlsT->ctlsCount; idx++) { + if(currentHalAlsaCtlsT->ctls[idx].ctl.numid == numid) { + if(currentHalAlsaCtlsT->ctls[idx].action) { + source.uid = currentHalAlsaCtlsT->ctls[idx].action->uid; + source.api = currentHalAlsaCtlsT->ctls[idx].action->api; + source.request = NULL; + + (void) ActionExecOne(&source, currentHalAlsaCtlsT->ctls[idx].action, valuesJ); + } + else { + AFB_API_NOTICE(apiHandle, + "The alsa control id '%i' is corresponding to a known control but without any action registered", + numid); + } + + if((! currentHalAlsaCtlsT->ctls[idx].alsaControlEvent) || + InternalHalConvertJsonValues(apiHandle, + ¤tHalAlsaCtlsT->ctls[idx].ctl.alsaCtlProperties, + valuesJ, + &normalizedValuesJ, + CONVERSION_ALSACORE_TO_NORMALIZED) || + (afb_event_push(currentHalAlsaCtlsT->ctls[idx].alsaControlEvent, normalizedValuesJ) < 0)) { + AFB_API_ERROR(apiHandle, + "Couldn't generate an event for known halmap %s (alsa control id %i)", + currentHalAlsaCtlsT->ctls[idx].uid, + currentHalAlsaCtlsT->ctls[idx].ctl.numid); + } + + return; + } + } + + AFB_API_WARNING(apiHandle, + "Alsacore event with an unrecognized numid: %i, evtname=%s [msg=%s]", + numid, + evtLabel, + json_object_get_string(eventJ)); + + return; + } + + AFB_API_INFO(apiHandle, + "Not an alsacore event '%s' [msg=%s]", + evtLabel, + json_object_get_string(eventJ)); + + CtrlDispatchApiEvent(apiHandle, evtLabel, eventJ); +} + +/******************************************************************************* + * Internals HAL - 'halmixer' section parsing/handling functions * + ******************************************************************************/ + +int InternalHalHalMixerConfig(afb_api_t apiHandle, CtlSectionT *section, json_object *MixerJ) +{ + int err = 0; + + CtlConfigT *ctrlConfig; + struct HalData *currentHalData; + + if(! apiHandle || ! section) + return -1; + + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) + return -2; + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) + return -3; + + if(MixerJ) { + if(json_object_is_type(MixerJ, json_type_object)) + currentHalData->internalHalData->halMixerJ = MixerJ; + else + return -4; + + if(wrap_json_unpack(MixerJ, "{s:s}", "mixerapi", ¤tHalData->internalHalData->mixerApiName)) + return -5; + + wrap_json_unpack(MixerJ, "{s?:s}", "prefix", ¤tHalData->internalHalData->prefix); + } + else if(currentHalData->status == HAL_STATUS_AVAILABLE) { + err = InternalHalAttachToMixer(apiHandle); + if(err) { + AFB_API_ERROR(apiHandle, "Error %i while attaching to mixer", err); + return -6; + } + } + + return 0; +} + +/******************************************************************************* + * Internals HAL - 'halmap' section parsing/handling functions * + ******************************************************************************/ + +int InternalHalProcessOneHalMapObject(afb_api_t apiHandle, struct InternalHalAlsaMap *alsaMap, json_object *AlsaMapJ) +{ + char *action = NULL, *typename = NULL; + + json_object *alsaJ = NULL, *createAlsaCtlJ = NULL; + + AFB_API_DEBUG(apiHandle, "AlsaMapJ=%s", json_object_get_string(AlsaMapJ)); + + if(wrap_json_unpack(AlsaMapJ, "{s:s s?:s s:o s?:s !}", + "uid", &alsaMap->uid, + "info", &alsaMap->info, + "alsa", &alsaJ, + "action", &action)) { + AFB_API_ERROR(apiHandle, "Parsing error, map should only contains [label]|[uid]|[tag]|[info]|[alsa]|[action] in:\n-- %s", json_object_get_string(AlsaMapJ)); + return -1; + } + + if(wrap_json_unpack(alsaJ, "{s?:s s?:i s?:i s?:o !}", + "name", &alsaMap->ctl.name, + "numid", &alsaMap->ctl.numid, + "value", &alsaMap->ctl.value, + "create", &createAlsaCtlJ)) { + AFB_API_ERROR(apiHandle, "Parsing error, alsa json should only contains [name]|[numid]||[value]|[create] in:\n-- %s", json_object_get_string(alsaJ)); + return -2; + } + + if(createAlsaCtlJ) { + alsaMap->ctl.alsaCtlCreation = &alsaMap->ctl.alsaCtlProperties; + + if(wrap_json_unpack(createAlsaCtlJ, + "{s:s s:i s:i s:i s:i !}", + "type", &typename, + "count", &alsaMap->ctl.alsaCtlCreation->count, + "minval", &alsaMap->ctl.alsaCtlCreation->minval, + "maxval", &alsaMap->ctl.alsaCtlCreation->maxval, + "step", &alsaMap->ctl.alsaCtlCreation->step)) { + AFB_API_ERROR(apiHandle, "Parsing error, alsa creation json should only contains [type]|[count]|[minval]|[maxval]|[step] in:\n-- %s", json_object_get_string(alsaJ)); + return -3; + } + + if(typename) { + alsaMap->ctl.alsaCtlCreation->type = InternalHalMapsAlsaTypeToEnum(typename); + if(alsaMap->ctl.alsaCtlCreation->type == SND_CTL_ELEM_TYPE_NONE) { + AFB_API_ERROR(apiHandle, "Couldn't get alsa type from string %s in:\n-- %s", typename, json_object_get_string(alsaJ)); + return -4; + } + } + + if(! alsaMap->ctl.name) + alsaMap->ctl.name = (char *) alsaMap->uid; + } + else if(alsaMap->ctl.name && alsaMap->ctl.numid > 0) { + AFB_API_ERROR(apiHandle, + "Can't have both a control name (%s) and a control uid (%i) in alsa object:\n-- %s", + alsaMap->ctl.name, + alsaMap->ctl.numid, + json_object_get_string(alsaJ)); + return -5; + } + else if(! alsaMap->ctl.name && alsaMap->ctl.numid <= 0) { + AFB_API_ERROR(apiHandle, + "Need at least a control name or a control uid in alsa object:\n-- %s", + json_object_get_string(alsaJ)); + return -6; + } + + if(action) + alsaMap->actionJ = AlsaMapJ; + + return 0; +} + +int InternalHalHandleOneHalMapObject(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaMap *alsaMap) +{ + int err; + + json_object *valueJ, *convertedValueJ = NULL; + + if(! (alsaMap->alsaControlEvent = afb_api_make_event(apiHandle, alsaMap->uid))) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to create event for current alsa control to load action using alsa object:\n-- %s", + json_object_get_string(alsaMap->actionJ)); + return -1; + } + + if(alsaMap->ctl.alsaCtlCreation) { + if(InternalHalCreateAlsaCtl(apiHandle, cardId, &alsaMap->ctl)) { + AFB_API_ERROR(apiHandle, "An error happened when trying to create a new alsa control"); + return -2; + } + } + else if(InternalHalUpdateAlsaCtlProperties(apiHandle, cardId, &alsaMap->ctl)) { + AFB_API_ERROR(apiHandle, "An error happened when trying to get existing alsa control info"); + return -3; + } + + if(alsaMap->ctl.value) { + // TBD JAI : handle alsa controls type + valueJ = json_object_new_int(alsaMap->ctl.value); + err = 0; + + if(InternalHalConvertJsonValues(apiHandle, &alsaMap->ctl.alsaCtlProperties, valueJ, &convertedValueJ, CONVERSION_NORMALIZED_TO_ALSACORE)) { + AFB_API_ERROR(apiHandle, "Error when trying to convert initiate value json '%s'", json_object_get_string(valueJ)); + err = -4; + } + else if(InternalHalSetAlsaCtlValue(apiHandle, cardId, alsaMap->ctl.numid, convertedValueJ)) { + AFB_API_ERROR(apiHandle, + "Error while trying to set initial value on alsa control %i, device '%s', value '%s'", + alsaMap->ctl.numid, + cardId, + json_object_get_string(valueJ)); + err = -5; + } + + json_object_put(valueJ); + + if(convertedValueJ) + json_object_put(convertedValueJ); + + if(err) + return err; + } + + if(alsaMap->actionJ) { + alsaMap->action = calloc(1, sizeof(CtlActionT)); + if(ActionLoadOne(apiHandle, alsaMap->action, alsaMap->actionJ, 0)) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to load action using alsa object:\n-- %s", + json_object_get_string(alsaMap->actionJ)); + return -6; + } + } + + if(afb_api_add_verb(apiHandle, alsaMap->uid, alsaMap->info, InternalHalActionOnAlsaCtl, (void *) alsaMap, NULL, 0, 0)) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to create verb for current alsa control to load action using alsa object:\n-- %s", + json_object_get_string(alsaMap->actionJ)); + return -7; + } + + return 0; +} + +int InternalHalProcessAllHalMap(afb_api_t apiHandle, json_object *AlsaMapJ, struct InternalHalAlsaMapT *currentInternalHalAlsaMapT) +{ + int idx, err = 0; + + struct InternalHalAlsaMap *ctlMaps; + + json_type alsaMapType; + + alsaMapType = json_object_get_type(AlsaMapJ); + switch(alsaMapType) { + case json_type_array: + currentInternalHalAlsaMapT->ctlsCount = (unsigned int) json_object_array_length(AlsaMapJ); + break; + + case json_type_object: + currentInternalHalAlsaMapT->ctlsCount = 1; + break; + + default: + currentInternalHalAlsaMapT->ctlsCount = 0; + currentInternalHalAlsaMapT->ctls = NULL; + AFB_API_WARNING(apiHandle, "Couldn't get content of 'halmap' section in : '%s'", json_object_get_string(AlsaMapJ)); + return -1; + } + + ctlMaps = calloc(currentInternalHalAlsaMapT->ctlsCount, sizeof(struct InternalHalAlsaMap)); + + for(idx = 0; idx < currentInternalHalAlsaMapT->ctlsCount; idx++) + err += InternalHalProcessOneHalMapObject(apiHandle, &ctlMaps[idx], alsaMapType == json_type_array ? json_object_array_get_idx(AlsaMapJ, idx) : AlsaMapJ); + + currentInternalHalAlsaMapT->ctls = ctlMaps; + + return err; +} + +int InternalHalHandleAllHalMap(afb_api_t apiHandle, int sndCardId, struct InternalHalAlsaMapT *currentInternalHalAlsaMapT) +{ + int idx, err = 0; + + char cardIdString[6]; + + snprintf(cardIdString, 6, "hw:%i", sndCardId); + + InternalHalSubscribeToAlsaCardEvent(apiHandle, cardIdString); + + for(idx = 0; idx < currentInternalHalAlsaMapT->ctlsCount; idx++) + err += InternalHalHandleOneHalMapObject(apiHandle, cardIdString, ¤tInternalHalAlsaMapT->ctls[idx]); + + return err; +} + +int InternalHalHalMapConfig(afb_api_t apiHandle, CtlSectionT *section, json_object *AlsaMapJ) +{ + CtlConfigT *ctrlConfig; + struct HalData *currentHalData; + + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) + return -1; + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) + return -2; + + if(AlsaMapJ) { + currentHalData->internalHalData->alsaMapT = calloc(1, sizeof(struct InternalHalAlsaMapT)); + + if(InternalHalProcessAllHalMap(apiHandle, AlsaMapJ, currentHalData->internalHalData->alsaMapT)) { + AFB_API_ERROR(apiHandle, "Failed to process 'halmap' section"); + return -3; + } + } + else if(currentHalData->status == HAL_STATUS_UNAVAILABLE) { + AFB_API_WARNING(apiHandle, "Hal is unavailable, 'halmap' section data can't be handle"); + return 1; + } + else if(currentHalData->sndCardId < 0) { + AFB_API_ERROR(apiHandle, "Hal alsa card id is not valid, 'halmap' section data can't be handle"); + return -6; + } + else if(! currentHalData->internalHalData->alsaMapT) { + AFB_API_WARNING(apiHandle, "'halmap' section data is empty"); + return 2; + } + else if(! (currentHalData->internalHalData->alsaMapT->ctlsCount > 0)) { + AFB_API_WARNING(apiHandle, "No alsa controls defined in 'halmap' section"); + return 3; + } + else if(InternalHalHandleAllHalMap(apiHandle, currentHalData->sndCardId, currentHalData->internalHalData->alsaMapT)) { + AFB_API_ERROR(apiHandle, "Failed to handle 'halmap' section"); + return -9; + } + + return 0; +} + +/******************************************************************************* + * Internals HAL verbs functions * + ******************************************************************************/ + +json_object *InternalHalGetJsonArrayForMixerDataTable(afb_api_t apiHandle, + struct InternalHalMixerData **mixerDataList, + enum MixerDataType dataType) +{ + json_object *mixerDataArrayJ, *currentMixerDataJ; + + struct InternalHalMixerData *currentMixerData; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Api handle is not valid"); + return NULL; + } + + mixerDataArrayJ = json_object_new_array(); + if(! mixerDataArrayJ) { + AFB_API_ERROR(apiHandle, "Can't generate json mixer data array"); + return NULL; + } + + currentMixerData = *mixerDataList; + + while(currentMixerData) { + switch(dataType) { + case MIXER_DATA_STREAMS: + wrap_json_pack(¤tMixerDataJ, + "{s:s s:s}", + "name", currentMixerData->verb, + "cardId", currentMixerData->streamCardId); + break; + + case MIXER_DATA_PLAYBACKS: + case MIXER_DATA_CAPTURES : + wrap_json_pack(¤tMixerDataJ, + "{s:s s:s}", + "name", currentMixerData->verb, + "mixer-name", currentMixerData->verbToCall, + "uid", currentMixerData->streamCardId ? currentMixerData->streamCardId : "none"); + break; + + default: + json_object_put(mixerDataArrayJ); + return NULL; + } + json_object_array_add(mixerDataArrayJ, currentMixerDataJ); + + currentMixerData = currentMixerData->next; + } + + return mixerDataArrayJ; +} + +json_object *InternalHalGetJsonArrayForControls(afb_api_t apiHandle, struct InternalHalAlsaMapT *currentAlsaMapDataT) +{ + unsigned int idx; + + json_object *alsaMapDataArray, *currentAlsaMapData; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Can't get current internal hal api handle"); + return NULL; + } + + if(! currentAlsaMapDataT) { + AFB_API_ERROR(apiHandle, "Can't get Alsa map data table to handle"); + return NULL; + } + + if(! (alsaMapDataArray = json_object_new_array())) { + AFB_API_ERROR(apiHandle, "Can't generate json mixer data array"); + return NULL; + } + + for(idx = 0; idx < currentAlsaMapDataT->ctlsCount; idx++) { + wrap_json_pack(¤tAlsaMapData, + "{s:s s:s}", + "name", currentAlsaMapDataT->ctls[idx].uid, + "info", currentAlsaMapDataT->ctls[idx].info ? currentAlsaMapDataT->ctls[idx].info : "none"); + + json_object_array_add(alsaMapDataArray, currentAlsaMapData); + } + + return alsaMapDataArray; +} + +void InternalHalInfo(afb_req_t request) +{ + char *apiToCall, *returnedError = NULL, *returnedInfo = NULL; + + afb_api_t apiHandle; + CtlConfigT *ctrlConfig; + + struct HalData *currentHalData; + + json_object *requestJson, *toReturnJ = NULL, *requestAnswer, *streamsArray, *playbacksArray, *capturesArray, *controlsArray; + + if(! (apiHandle = afb_req_get_api(request))) { + afb_req_fail(request, "api_handle", "Can't get current internal hal api handle"); + return; + } + + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) { + afb_req_fail(request, "hal_controller_config", "Can't get current internal hal controller config"); + return; + } + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) { + afb_req_fail(request, "hal_controller_data", "Can't get current internal hal controller data"); + return; + } + + if(! (requestJson = afb_req_json(request))) { + AFB_REQ_NOTICE(request, "Can't get request json"); + } + else if(json_object_is_type(requestJson, json_type_object) && json_object_get_object(requestJson)->count > 0) { + apiToCall = currentHalData->internalHalData->mixerApiName; + if(! apiToCall) { + afb_req_fail(request, "mixer_api", "Can't get mixer api"); + return; + } + + if(InternalHalGetInfoFromMixer(apiHandle, apiToCall, requestJson, &toReturnJ, &returnedError, &returnedInfo)) { + afb_req_fail_f(request, + "mixer_info", + "Call to mixer info verb didn't succeed with status '%s' and info '%s'", + returnedError ? returnedError : "not returned", + returnedInfo ? returnedInfo : "not returned"); + return; + } + + afb_req_success(request, toReturnJ, "Mixer requested data"); + return; + } + + streamsArray = InternalHalGetJsonArrayForMixerDataTable(apiHandle, + ¤tHalData->internalHalData->streamsData, + MIXER_DATA_STREAMS); + if(! streamsArray) { + afb_req_fail(request, "streams_data", "Didn't succeed to generate streams data array"); + return; + } + + playbacksArray = InternalHalGetJsonArrayForMixerDataTable(apiHandle, + ¤tHalData->internalHalData->playbacksData, + MIXER_DATA_PLAYBACKS); + if(! playbacksArray) { + afb_req_fail(request, "playbacks_data", "Didn't succeed to generate playbacks data array"); + return; + } + + capturesArray = InternalHalGetJsonArrayForMixerDataTable(apiHandle, + ¤tHalData->internalHalData->capturesData, + MIXER_DATA_CAPTURES); + if(! capturesArray) { + afb_req_fail(request, "captures_data", "Didn't succeed to generate captures data array"); + return; + } + + controlsArray = InternalHalGetJsonArrayForControls(apiHandle, + currentHalData->internalHalData->alsaMapT); + if(! controlsArray) { + afb_req_fail(request, "controls_data", "Didn't succeed to generate controls data array"); + return; + } + + wrap_json_pack(&requestAnswer, + "{s:o s:o s:o s:o}", + "streams", streamsArray, + "playbacks", playbacksArray, + "captures", capturesArray, + "controls", controlsArray); + + afb_req_success(request, requestAnswer, "Requested data"); +} + +void InternalHalSubscribeUnsubscribe(afb_req_t request, enum SubscribeUnsubscribeType subscribeUnsubscribeType) +{ + int arrayIdx, searchIdx, count, subscriptionFound, subscriptionDoneNb = 0; + + char *currentSubscriptionString; + + afb_api_t apiHandle; + CtlConfigT *ctrlConfig; + + struct HalData *currentHalData; + struct InternalHalMixerData *currentStreamData; + struct InternalHalAlsaMapT *InternalHalAlsaMapT; + + json_object *requestJson, *requestedSubscriptionsJ, *requestedSubscriptionJ = NULL; + json_type requestJsonType; + + if(! (apiHandle = afb_req_get_api(request))) { + afb_req_fail(request, "api_handle", "Can't get current internal hal api handle"); + return; + } + + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) { + afb_req_fail(request, "hal_controller_config", "Can't get current internal hal controller config"); + return; + } + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) { + afb_req_fail(request, "hal_controller_data", "Can't get current internal hal controller data"); + return; + } + + if(! currentHalData->internalHalData) { + afb_req_fail(request, "hal_controller_data", "Current internal hal data is not valid"); + return; + } + + InternalHalAlsaMapT = currentHalData->internalHalData->alsaMapT; + + if(! (requestJson = afb_req_json(request))) { + afb_req_fail(request, "request_json", "Can't get request json"); + return; + } + + if(wrap_json_unpack(requestJson, "{s:o}", "events", &requestedSubscriptionsJ)) { + afb_req_fail(request, "request_json", "Request json invalid"); + return; + } + + requestJsonType = json_object_get_type(requestedSubscriptionsJ); + switch(requestJsonType) { + case json_type_string: + count = 1; + requestedSubscriptionJ = requestedSubscriptionsJ; + break; + + case json_type_array: + count = (int) json_object_array_length(requestedSubscriptionsJ); + break; + + default: + afb_req_fail(request, "request_json", "Request json invalid"); + return; + } + + for(arrayIdx = 0; arrayIdx < count; arrayIdx++) { + if(requestJsonType == json_type_array) { + requestedSubscriptionJ = json_object_array_get_idx(requestedSubscriptionsJ, arrayIdx); + if(! json_object_is_type(requestedSubscriptionJ, json_type_string)) { + afb_req_fail_f(request, "request_json", "Request json number %i in array invalid", arrayIdx); + return; + } + } + + subscriptionFound = 0; + currentSubscriptionString = (char *) json_object_get_string(requestedSubscriptionJ); + + if(! strcasecmp(currentSubscriptionString, HAL_STREAM_UPDATES_EVENT_NAME)) { + if(currentHalData->internalHalData->streamUpdates && + subscribeUnsubscribeType == SUBSCRIPTION && + afb_req_subscribe(request, currentHalData->internalHalData->streamUpdates)) { + afb_req_fail_f(request, + "request_stream_list_updates_event", + "Error while trying to subscribe to stream list updates event"); + return; + } + else if(currentHalData->internalHalData->streamUpdates && + subscribeUnsubscribeType == UNSUBSCRIPTION && + afb_req_unsubscribe(request, currentHalData->internalHalData->streamUpdates)) { + afb_req_fail_f(request, + "request_stream_list_updates_event", + "Error while trying to unsubscribe to stream list updates event"); + return; + } + + subscriptionFound = 1; + subscriptionDoneNb++; + } + + currentStreamData = currentHalData->internalHalData->streamsData; + while(currentStreamData && + (! subscriptionFound)) { + if(! strcasecmp(currentSubscriptionString, currentStreamData->verb)) { + if(currentStreamData->event && + subscribeUnsubscribeType == SUBSCRIPTION && + afb_req_subscribe(request, currentStreamData->event)) { + afb_req_fail_f(request, + "request_stream_event", + "Error while trying to subscribe to %s stream events", + currentStreamData->verb); + return; + } + else if(currentStreamData->event && + subscribeUnsubscribeType == UNSUBSCRIPTION && + afb_req_unsubscribe(request, currentStreamData->event)) { + afb_req_fail_f(request, + "request_stream_event", + "Error while trying to unsubscribe to %s stream events", + currentStreamData->verb); + return; + } + + subscriptionFound = 1; + subscriptionDoneNb++; + + break; + } + + currentStreamData = currentStreamData->next; + } + + searchIdx = 0; + while((searchIdx < (InternalHalAlsaMapT ? InternalHalAlsaMapT->ctlsCount : 0)) && + (! subscriptionFound)) { + if(! strcasecmp(currentSubscriptionString, InternalHalAlsaMapT->ctls[searchIdx].uid)) { + if(InternalHalAlsaMapT->ctls[searchIdx].alsaControlEvent && + subscribeUnsubscribeType == SUBSCRIPTION && + afb_req_subscribe(request, InternalHalAlsaMapT->ctls[searchIdx].alsaControlEvent)) { + afb_req_fail_f(request, + "request_control_event", + "Error while trying to subscribe to %s halmap controls events", + InternalHalAlsaMapT->ctls[searchIdx].uid); + return; + } + else if(InternalHalAlsaMapT->ctls[searchIdx].alsaControlEvent && + subscribeUnsubscribeType == UNSUBSCRIPTION && + afb_req_unsubscribe(request, InternalHalAlsaMapT->ctls[searchIdx].alsaControlEvent)) { + afb_req_fail_f(request, + "request_stream_event", + "Error while trying to unsubscribe to %s halmap controls events", + InternalHalAlsaMapT->ctls[searchIdx].uid); + return; + } + + subscriptionFound = 1; + subscriptionDoneNb++; + + break; + } + + searchIdx++; + } + } + + if(subscriptionDoneNb == 0) + afb_req_fail_f(request, + "events_not_found", + "%s failed, event(s) were not found", + subscribeUnsubscribeType == SUBSCRIPTION ? "Subscription" : "Unsubscription"); + if(subscriptionDoneNb == count) + afb_req_success_f(request, + json_object_new_int(subscriptionDoneNb), + "%s succeed for all the %i events requested", + subscribeUnsubscribeType == SUBSCRIPTION ? "Subscription" : "Unsubscription", + subscriptionDoneNb); + else if(subscriptionDoneNb < count) + afb_req_success_f(request, + json_object_new_int(subscriptionDoneNb), + "%s succeed but only to %i events requested out of %i", + subscribeUnsubscribeType == SUBSCRIPTION ? "Subscription" : "Unsubscription", + subscriptionDoneNb, + count); + else + afb_req_success_f(request, + json_object_new_int(subscriptionDoneNb), + "%s succeed but to more events than requested (%i out of %i)", + subscribeUnsubscribeType == SUBSCRIPTION ? "Subscription" : "Unsubscription", + subscriptionDoneNb, + count); +} + +void InternalHalSubscribe(afb_req_t request) +{ + InternalHalSubscribeUnsubscribe(request, SUBSCRIPTION); +} + +void InternalHalUnsubscribe(afb_req_t request) +{ + InternalHalSubscribeUnsubscribe(request, UNSUBSCRIPTION); +} diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-cb.h b/4a-hal/4a-internals-hal/4a-internals-hal-cb.h new file mode 100644 index 0000000..ff35656 --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-cb.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 _INTERNALS_HAL_CB_INCLUDE_ +#define _INTERNALS_HAL_CB_INCLUDE_ + +#include <stdio.h> + +#include <afb/afb-binding.h> + +#include <ctl-config.h> + +// Enum for the type of subscription/subscription +enum SubscribeUnsubscribeType { + SUBSCRIPTION = 1, + UNSUBSCRIPTION = 2 +}; + +// Internals HAL event handler function +void InternalHalDispatchApiEvent(afb_api_t apiHandle, const char *evtLabel, json_object *eventJ); + +// Internals HAL sections parsing functions +int InternalHalHalMixerConfig(afb_api_t apiHandle, CtlSectionT *section, json_object *MixerJ); +int InternalHalHalMapConfig(afb_api_t apiHandle, CtlSectionT *section, json_object *AlsaMapJ); + +// Internals HAL verbs functions +void InternalHalInfo(afb_req_t request); +void InternalHalSubscribe(afb_req_t request); +void InternalHalUnsubscribe(afb_req_t request); + +#endif /* _HALMGR_CB_INCLUDE_ */
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.c b/4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.c new file mode 100644 index 0000000..95e9099 --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.c @@ -0,0 +1,389 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 <wrap-json.h> + +#include <afb/afb-binding.h> + +#include "4a-hal-utilities-data.h" + +#include "4a-hal-utilities-hal-streams-handler.h" +#include "4a-hal-utilities-verbs-loader.h" + +#include "../4a-hal-manager/4a-hal-manager.h" + +#include "4a-internals-hal-mixer-link.h" +#include "4a-internals-hal-cb.h" + +/******************************************************************************* + * Internals HAL handle mixer calls functions * + ******************************************************************************/ + +int InternalHalHandleMixerData(afb_api_t apiHandle, + struct InternalHalMixerData **mixerDataList, + json_object *currentDataJ, + enum MixerDataType dataType) +{ + int idx, mixerDataNb, verbStart, size; + int err = (int) MIXER_NO_ERROR; + + char *currentDataVerbName, *currentStreamCardId; + + json_type currentDataType; + json_object *currentJ; + + struct InternalHalMixerData *currentMixerData; + + currentDataType = json_object_get_type(currentDataJ); + switch(currentDataType) { + case json_type_object: + mixerDataNb = 1; + break; + case json_type_array: + mixerDataNb = (unsigned int) json_object_array_length(currentDataJ); + break; + default: + mixerDataNb = 0; + AFB_API_ERROR(apiHandle, "No data returned"); + return (int) MIXER_ERROR_DATA_EMPTY; + } + + for(idx = 0; idx < mixerDataNb; idx++) { + if(currentDataType == json_type_array) + currentJ = json_object_array_get_idx(currentDataJ, (int) idx); + else + currentJ = currentDataJ; + + if(wrap_json_unpack(currentJ, "{s:s}", "verb", ¤tDataVerbName)) { + AFB_API_ERROR(apiHandle, "Can't find verb in current data object"); + err += (int) MIXER_ERROR_DATA_NAME_UNAVAILABLE; + } + else if(dataType == MIXER_DATA_STREAMS && wrap_json_unpack(currentJ, "{s:s}", "alsa", ¤tStreamCardId)) { + AFB_API_ERROR(apiHandle, "Can't find card id in current data object"); + err += (int) MIXER_ERROR_DATA_CARDID_UNAVAILABLE; + } + else { + switch(dataType) { + case MIXER_DATA_STREAMS: + size = (int) strlen(currentDataVerbName); + for(verbStart = 0; verbStart < size; verbStart++) { + if(currentDataVerbName[verbStart] == '#') { + verbStart++; + break; + } + } + + if(verbStart == size) + verbStart = 0; + + if(! HalUtlAddStreamDataAndCreateStreamVerb(apiHandle, + ¤tDataVerbName[verbStart], + currentDataVerbName, + currentStreamCardId)) { + AFB_API_ERROR(apiHandle, + "Error while adding stream '%s'", + currentDataVerbName); + err += (int) MIXER_ERROR_STREAM_NOT_ADDED; + } + + break; + + case MIXER_DATA_PLAYBACKS: + case MIXER_DATA_CAPTURES: + currentMixerData = HalUtlAddMixerDataToMixerDataList(mixerDataList); + + currentMixerData->verb = strdup((dataType == MIXER_DATA_PLAYBACKS) ? HAL_PLAYBACK_ID : HAL_CAPTURE_ID); + currentMixerData->verbToCall = strdup(currentDataVerbName); + + if((! currentMixerData->verb) || + (! currentMixerData->verbToCall)) { + HalUtlRemoveSelectedMixerData(mixerDataList, currentMixerData); + err += (int) MIXER_ERROR_STREAM_ALLOCATION_FAILED; + } + break; + + default: + break; + } + } + } + + if(dataType == MIXER_DATA_PLAYBACKS) { + if(afb_api_add_verb(apiHandle, + HAL_PLAYBACK_ID, + "Playback action transferred to mixer", + HalUtlActionOnPlayback, + (void *) *mixerDataList, + NULL, + 0, + 0)) { + AFB_API_ERROR(apiHandle, "Error while creating verb for playbacks : '%s'", HAL_PLAYBACK_ID); + err += (int) MIXER_ERROR_PLAYBACK_VERB_NOT_CREATED; + } + } + + if(dataType == MIXER_DATA_CAPTURES) { + if(afb_api_add_verb(apiHandle, + HAL_CAPTURE_ID, + "Capture action transferred to mixer", + HalUtlActionOnCapture, + (void *) *mixerDataList, + NULL, + 0, + 0)) { + AFB_API_ERROR(apiHandle, "Error while creating verb for captures : '%s'", HAL_CAPTURE_ID); + err += (int) MIXER_ERROR_CAPTURE_VERB_NOT_CREATED; + } + } + + return err; +} + +int InternalHalHandleMixerAttachResponse(afb_api_t apiHandle, struct InternalHalData *currentHalSpecificData, json_object *mixerResponseJ) +{ + int err = (int) MIXER_NO_ERROR; + + json_object *mixerStreamsJ = NULL, *mixerPlaybacksJ = NULL, *mixerCapturesJ = NULL; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Can't get current hal api handle"); + return (int) MIXER_ERROR_API_UNAVAILABLE; + } + + if(wrap_json_unpack(mixerResponseJ, "{s?:o s?:o s?:o}", "streams", &mixerStreamsJ, "playbacks", &mixerPlaybacksJ, "captures", &mixerCapturesJ)) { + AFB_API_ERROR(apiHandle, "Can't get streams|playbacks|captures object in '%s'", json_object_get_string(mixerResponseJ)); + return (int) MIXER_ERROR_DATA_UNAVAILABLE; + } + + if(mixerStreamsJ) { + err += InternalHalHandleMixerData(apiHandle, ¤tHalSpecificData->streamsData, mixerStreamsJ, MIXER_DATA_STREAMS); + if(err) + AFB_API_ERROR(apiHandle, "Error during handling response mixer streams data '%s'", json_object_get_string(mixerStreamsJ)); + } + + if(mixerPlaybacksJ) { + err += InternalHalHandleMixerData(apiHandle, ¤tHalSpecificData->playbacksData, mixerPlaybacksJ, MIXER_DATA_PLAYBACKS); + if(err) + AFB_API_ERROR(apiHandle, "Error during handling response mixer playbacks data '%s'", json_object_get_string(mixerPlaybacksJ)); + } + + if(mixerCapturesJ) { + err += InternalHalHandleMixerData(apiHandle, ¤tHalSpecificData->capturesData, mixerCapturesJ, MIXER_DATA_CAPTURES); + if(err) + AFB_API_ERROR(apiHandle, "Error during handling response mixer captures data '%s'", json_object_get_string(mixerCapturesJ)); + } + + if(! currentHalSpecificData->streamsData) { + AFB_API_WARNING(apiHandle, "No stream detected in mixer response, %s verb won't be created", HAL_ALL_STREAMS_VERB); + } + else if(afb_api_add_verb(apiHandle, + HAL_ALL_STREAMS_VERB, + "Send a stream action on all streams", + HalUtlActionOnAllStream, + (void *) currentHalSpecificData->streamsData, + NULL, + 0, + 0)) { + AFB_API_ERROR(apiHandle, "Error while creating verb for all streams : '%s'", HAL_ALL_STREAMS_VERB); + return (int) MIXER_ERROR_ALL_STREAMS_VERB_NOT_CREATED; + } + + return err; +} + +int InternalHalAttachToMixer(afb_api_t apiHandle) +{ + int err = 0, mixerError; + + char *apiToCall, *returnedError = NULL, *returnedInfo = NULL; + + CtlConfigT *ctrlConfig; + + struct HalData *currentHalData, *concurentHalData = NULL; + + json_object *responseJ = NULL; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Can't get current internal hal api handle"); + return -1; + } + + if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) { + AFB_API_ERROR(apiHandle, "Can't get current hal controller config"); + return -2; + } + + currentHalData = (struct HalData *) getExternalData(ctrlConfig); + if(! currentHalData) { + AFB_API_ERROR(apiHandle, "Can't get current hal controller data"); + return -3; + } + + switch(currentHalData->status) { + case HAL_STATUS_UNAVAILABLE: + AFB_API_ERROR(apiHandle, "Seems that the hal corresponding card was not found by alsacore at startup"); + return -4; + + case HAL_STATUS_READY: + AFB_API_NOTICE(apiHandle, "Seems that the hal mixer is already initialized"); + return 1; + + case HAL_STATUS_AVAILABLE: + break; + } + + concurentHalData = HalUtlSearchReadyHalDataByCardId(HalMngGetHalDataList(), currentHalData->sndCardId); + if(concurentHalData) { + AFB_API_ERROR(apiHandle, + "Trying to attach mixer for hal '%s' but the alsa device %i is already in use with mixer by hal '%s'", + currentHalData->apiName, + currentHalData->sndCardId, + concurentHalData->apiName); + return -5; + } + + apiToCall = currentHalData->internalHalData->mixerApiName; + if(! apiToCall) { + AFB_API_ERROR(apiHandle, "Can't get mixer api"); + return -6; + } + + if(afb_api_call_sync(apiHandle, + apiToCall, + MIXER_ATTACH_VERB, + json_object_get(currentHalData->internalHalData->halMixerJ), + &responseJ, + &returnedError, + &returnedInfo)) { + AFB_API_ERROR(apiHandle, + "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'", + MIXER_ATTACH_VERB, + apiToCall, + returnedError ? returnedError : "not returned", + returnedInfo ? returnedInfo : "not returned"); + err = -7; + } + else if(! responseJ) { + AFB_API_ERROR(apiHandle, + "Seems that %s call to api %s succeed but no response was returned", + MIXER_ATTACH_VERB, + apiToCall); + err = -8; + } + else { + mixerError = InternalHalHandleMixerAttachResponse(apiHandle, currentHalData->internalHalData, responseJ); + if(mixerError != (int) MIXER_NO_ERROR) { + AFB_API_ERROR(apiHandle, + "Seems that %s call to api %s succeed but this warning was risen by response decoder : %i '%s'", + MIXER_ATTACH_VERB, + apiToCall, + mixerError, + json_object_get_string(responseJ)); + err = -9; + } + else { + AFB_API_NOTICE(apiHandle, + "Seems that %s call to api %s succeed with no warning raised : '%s'", + MIXER_ATTACH_VERB, + apiToCall, + json_object_get_string(responseJ)); + currentHalData->status = HAL_STATUS_READY; + } + } + + if(responseJ) + json_object_put(responseJ); + + free(returnedError); + free(returnedInfo); + + return err; +} + +int InternalHalGetInfoFromMixer(afb_api_t apiHandle, + char *apiToCall, + json_object *requestJson, + json_object **toReturnJ, + char **returnedError, + char **returnedInfo) +{ + json_object *responseJ = NULL; + + if(! apiHandle) { + AFB_API_ERROR(apiHandle, "Can't get current hal api handle"); + return -1; + } + + if(! apiToCall) { + AFB_API_ERROR(apiHandle, "Can't get mixer api"); + return -2; + } + + if(! requestJson) { + AFB_API_ERROR(apiHandle, "Can't get request json"); + return -3; + } + + if(*returnedError || *returnedInfo) { + AFB_API_ERROR(apiHandle, "'returnedError' and 'returnedInfo' strings should be empty and set to 'NULL'"); + return -4; + } + + if(*toReturnJ) { + AFB_API_ERROR(apiHandle, "'toReturnJ' should be empty and set to 'NULL'"); + return -5; + } + + if(afb_api_call_sync(apiHandle, + apiToCall, + MIXER_INFO_VERB, + json_object_get(requestJson), + &responseJ, + returnedError, + returnedInfo)) { + AFB_API_ERROR(apiHandle, + "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s'", + apiToCall, + MIXER_INFO_VERB, + *returnedError ? *returnedError : "not returned", + *returnedInfo ? *returnedInfo : "not returned"); + return -6; + } + else if(! responseJ) { + AFB_API_ERROR(apiHandle, + "Seems that %s call to api %s succeed but no response was returned", + MIXER_INFO_VERB, + apiToCall); + json_object_put(responseJ); + return -7; + } + else { + AFB_API_NOTICE(apiHandle, + "Seems that %s call to api %s succeed with no warning raised : '%s'", + MIXER_INFO_VERB, + apiToCall, + json_object_get_string(responseJ)); + *toReturnJ = responseJ; + } + + return 0; +}
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.h b/4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.h new file mode 100644 index 0000000..6c1f827 --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-mixer-link.h @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 _INTERNALS_HAL_SOFTMIXER_LINK_INCLUDE_ +#define _INTERNALS_HAL_SOFTMIXER_LINK_INCLUDE_ + +#include <stdio.h> + +#include <wrap-json.h> + +#include <afb/afb-binding.h> + +#include <afb-helpers-utils.h> + +#include "4a-hal-utilities-data.h" + +#define MIXER_ATTACH_VERB "attach" +#define MIXER_INFO_VERB "info" + +#define HAL_PLAYBACK_ID "playback" +#define HAL_CAPTURE_ID "capture" + +#define HAL_ALL_STREAMS_VERB "all-streams" + +// Enum for the type of object sent back by the mixer +enum MixerDataType { + MIXER_DATA_STREAMS = 1, + MIXER_DATA_PLAYBACKS = 2, + MIXER_DATA_CAPTURES = 3 +}; + +// Enum for the type of error detected +enum MixerStatus { + MIXER_NO_ERROR=0, + MIXER_ERROR_API_UNAVAILABLE=-1, + MIXER_ERROR_DATA_UNAVAILABLE=-2, + MIXER_ERROR_DATA_EMPTY =-3, + MIXER_ERROR_PLAYBACK_VERB_NOT_CREATED =-4, + MIXER_ERROR_CAPTURE_VERB_NOT_CREATED =-5, + MIXER_ERROR_ALL_STREAMS_VERB_NOT_CREATED =-6, + MIXER_ERROR_DATA_NAME_UNAVAILABLE=-10, + MIXER_ERROR_DATA_CARDID_UNAVAILABLE=-100, + MIXER_ERROR_STREAM_NOT_ADDED =-1000, + MIXER_ERROR_STREAM_ALLOCATION_FAILED =-10000 +}; + +// Internals HAL handle mixer calls functions +int InternalHalAttachToMixer(afb_api_t apiHandle); +int InternalHalGetInfoFromMixer(afb_api_t apiHandle, + char *apiToCall, + json_object *requestJson, + json_object **toReturnJ, + char **returnedError, + char **returnedInfo); + +#endif /* _INTERNALS_HAL_SOFTMIXER_LINK_INCLUDE_ */
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.c b/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.c new file mode 100644 index 0000000..64083a9 --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.c @@ -0,0 +1,354 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 <limits.h> +#include <math.h> + +#include <wrap-json.h> + +#include <afb/afb-binding.h> + +#include "4a-internals-hal-value-handler.h" +#include "4a-internals-hal-alsacore-link.h" + +/******************************************************************************* + * Simple conversion value to/from percentage functions * + ******************************************************************************/ + +int InternalHalConvertValueToPercentage(double val, double min, double max) +{ + double range; + + range = max - min; + if(range <= 0) + return -INT_MAX; + + val -= min; + + return (int) round(val / range * 100); +} + +int InternalHalConvertPercentageToValue(int percentage, int min, int max) +{ + int range; + + range = max - min; + if(range <= 0) + return -INT_MAX; + + return (int) round((double) percentage * (double) range * 0.01 + (double) min); +} + +/******************************************************************************* + * Convert json object from percentage to value * + ******************************************************************************/ + +int InternalHalConvertJsonValueForIntegerControl(afb_api_t apiHandle, + struct InternalHalAlsaCtlProperties *alsaCtlProperties, + json_object *toConvertJ, + json_object **ConvertedJ, + enum ConversionType requestedConversion) +{ + int initialValue, convertedValue; + + if(! json_object_is_type(toConvertJ, json_type_int)) { + AFB_API_ERROR(apiHandle, + "Can't convert json value, unrecognized json format (must be an integer) : '%s'", + json_object_get_string(toConvertJ)); + return -1; + } + + initialValue = json_object_get_int(toConvertJ); + + switch(requestedConversion) { + case CONVERSION_NORMALIZED_TO_ALSACORE: + if(initialValue < 0 || initialValue > 100) { + AFB_API_ERROR(apiHandle, + "Cannot convert '%i' value, value should be between 0 and 100 ('%s')", + initialValue, + json_object_get_string(toConvertJ)); + return -2; + } + + convertedValue = InternalHalConvertPercentageToValue(initialValue, + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + if(convertedValue == -INT_MAX) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to convert %i (using min %i et max %i)", + initialValue, + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + return -3; + } + + if(alsaCtlProperties->step) { + // Round value to the nearest step + convertedValue = (int) round((double) convertedValue / (double) alsaCtlProperties->step); + convertedValue *= alsaCtlProperties->step; + } + break; + + case CONVERSION_ALSACORE_TO_NORMALIZED: + convertedValue = InternalHalConvertValueToPercentage(initialValue, + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + if(convertedValue == -INT_MAX) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to convert %i (using min %i et max %i)", + initialValue, + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + return -4; + } + + break; + + default: + AFB_API_ERROR(apiHandle, + "Can't convert '%i' value, unrecognized conversion type : '%i'", + initialValue, + (int) requestedConversion); + *ConvertedJ = NULL; + return -5; + } + + *ConvertedJ = json_object_new_int(convertedValue); + + return 0; +} + +int InternalHalConvertJsonValueForBooleanControl(afb_api_t apiHandle, + struct InternalHalAlsaCtlProperties *alsaCtlProperties, + json_object *toConvertJ, + json_object **ConvertedJ, + enum ConversionType requestedConversion) +{ + int initialValue; + + switch(json_object_get_type(toConvertJ)) { + case json_type_int: + initialValue = json_object_get_int(toConvertJ); + break; + + case json_type_boolean: + initialValue = json_object_get_boolean(toConvertJ); + break; + + default: + AFB_API_ERROR(apiHandle, + "Can't convert json value, unrecognized format (must be an integer or a boolean) : '%s'", + json_object_get_string(toConvertJ)); + return -1; + } + + if(initialValue < 0 || initialValue > 1) { + AFB_API_ERROR(apiHandle, + "Cannot convert '%i' value, value should be 0 or 1 ('%s')", + initialValue, + json_object_get_string(toConvertJ)); + return -2; + } + + switch(requestedConversion) { + case CONVERSION_NORMALIZED_TO_ALSACORE: + *ConvertedJ = json_object_new_int(initialValue); + break; + + case CONVERSION_ALSACORE_TO_NORMALIZED: + *ConvertedJ = json_object_new_boolean(initialValue); + break; + + default: + AFB_API_ERROR(apiHandle, + "Can't convert '%i' value, unrecognized conversion type : '%i'", + initialValue, + (int) requestedConversion); + *ConvertedJ = NULL; + return -3; + } + + return 0; +} + +int InternalHalConvertJsonValues(afb_api_t apiHandle, + struct InternalHalAlsaCtlProperties *alsaCtlProperties, + json_object *toConvertJ, + json_object **ConvertedJ, + enum ConversionType requestedConversion) +{ + int conversionError = 0, idx, count; + + json_type toConvertType; + json_object *toConvertObjectJ, *convertedValueJ, *convertedArrayJ; + + *ConvertedJ = NULL; + + toConvertType = json_object_get_type(toConvertJ); + count = (toConvertType == json_type_array) ? (int) json_object_array_length(toConvertJ) : 1; + + convertedArrayJ = json_object_new_array(); + + for(idx = 0; idx < count; idx++) { + if(toConvertType == json_type_array) + toConvertObjectJ = json_object_array_get_idx(toConvertJ, idx); + else + toConvertObjectJ = toConvertJ; + + switch(alsaCtlProperties->type) { + case SND_CTL_ELEM_TYPE_INTEGER: + case SND_CTL_ELEM_TYPE_INTEGER64: + conversionError = InternalHalConvertJsonValueForIntegerControl(apiHandle, + alsaCtlProperties, + toConvertObjectJ, + &convertedValueJ, + requestedConversion); + if(conversionError) { + AFB_API_ERROR(apiHandle, + "Error %i happened in when trying to convert index %i for integer control ('%s')", + conversionError, + idx, + json_object_get_string(toConvertObjectJ)); + json_object_put(convertedArrayJ); + return -(idx + 1); + } + break; + + case SND_CTL_ELEM_TYPE_BOOLEAN: + conversionError = InternalHalConvertJsonValueForBooleanControl(apiHandle, + alsaCtlProperties, + toConvertObjectJ, + &convertedValueJ, + requestedConversion); + if(conversionError) { + AFB_API_ERROR(apiHandle, + "Error %i happened in when trying to convert index %i for boolean control ('%s')", + conversionError, + idx, + json_object_get_string(toConvertObjectJ)); + json_object_put(convertedArrayJ); + return -(idx + 1); + } + break; + + default: + AFB_API_ERROR(apiHandle, + "Conversion not handle for the alsa control type %i", + (int) alsaCtlProperties->type); + json_object_put(convertedArrayJ); + return -(idx + 1); + } + + json_object_array_put_idx(convertedArrayJ, idx, convertedValueJ); + } + + *ConvertedJ = convertedArrayJ; + + return 0; +} + +int InternalHalChangePreviousValuesUsingJson(afb_api_t apiHandle, + struct InternalHalAlsaCtlProperties *alsaCtlProperties, + json_object *requestedPercentageVariationJ, + json_object *previousControlValuesJ, + json_object **ChangedJ) +{ + int requestedPercentageVariation, requestedVariation, toChangeValue, changedValue, idx, count; + + char *requestedPercentageVariationString, *conversionEnd; + + json_object *toChangeObjectJ, *changedArrayJ; + + *ChangedJ = NULL; + + requestedPercentageVariationString = (char *) json_object_get_string(requestedPercentageVariationJ); + + requestedPercentageVariation = (int) strtol(requestedPercentageVariationString, &conversionEnd, 10); + if(conversionEnd == requestedPercentageVariationString) { + AFB_API_ERROR(apiHandle, + "Tried to increase/decrease an integer control \ + but string sent in json is not a increase/decrease string : '%s'", + json_object_get_string(requestedPercentageVariationJ)); + return -1; + } + + if(alsaCtlProperties->type != SND_CTL_ELEM_TYPE_INTEGER && + alsaCtlProperties->type != SND_CTL_ELEM_TYPE_INTEGER64) { + AFB_API_ERROR(apiHandle, + "Tried to increase/decrease values on a incompatible \ + control type (%i), control type must be an integer", + alsaCtlProperties->type); + return -2; + } + + if(requestedPercentageVariation < -100 || requestedPercentageVariation > 100) { + AFB_API_ERROR(apiHandle, + "Tried to increase/decrease values but specified change is \ + not a valid percentage, it should be between -100 and 100"); + return -3; + } + + requestedVariation = InternalHalConvertPercentageToValue((int) abs(requestedPercentageVariation), + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + if(requestedVariation == -INT_MAX) { + AFB_API_ERROR(apiHandle, + "Didn't succeed to convert %i (using min %i et max %i)", + requestedPercentageVariation, + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + return -4; + } + + if(requestedPercentageVariation < 0) + requestedVariation = -requestedVariation; + + count = (int) json_object_array_length(previousControlValuesJ); + + changedArrayJ = json_object_new_array(); + + for(idx = 0; idx < count; idx++) { + toChangeObjectJ = json_object_array_get_idx(previousControlValuesJ, idx); + + if(! json_object_is_type(toChangeObjectJ, json_type_int)) { + AFB_API_ERROR(apiHandle, + "Current json object %s is not an integer", + json_object_get_string(toChangeObjectJ)); + return -(10 + idx); + } + + toChangeValue = json_object_get_int(toChangeObjectJ); + + if((toChangeValue + requestedVariation) < alsaCtlProperties->minval) + changedValue = alsaCtlProperties->minval; + else if((toChangeValue + requestedVariation) > alsaCtlProperties->maxval) + changedValue = alsaCtlProperties->maxval; + else + changedValue = toChangeValue + requestedVariation; + + json_object_array_put_idx(changedArrayJ, idx, json_object_new_int(changedValue)); + } + + *ChangedJ = changedArrayJ; + + return 0; +}
\ No newline at end of file diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h b/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h new file mode 100644 index 0000000..f0288ac --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author Jonathan Aillet <jonathan.aillet@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 _INTERNALS_HAL_VALUE_CONVERSION_INCLUDE_ +#define _INTERNALS_HAL_VALUE_CONVERSION_INCLUDE_ + +#include <stdio.h> + +#include <wrap-json.h> + +#include <afb/afb-binding.h> + +#include "4a-internals-hal-alsacore-link.h" + +// Enum for the type of conversion requested +enum ConversionType { + CONVERSION_NORMALIZED_TO_ALSACORE = 1, + CONVERSION_ALSACORE_TO_NORMALIZED = 2 +}; + +// Simple conversion value to/from percentage functions +int InternalHalConvertValueToPercentage(double val, double min, double max); +int InternalHalConvertPercentageToValue(int percentage, int min, int max); + +// Convert json object from percentage to value +int InternalHalConvertJsonValues(afb_api_t apiHandle, + struct InternalHalAlsaCtlProperties *alsaCtlProperties, + json_object *toConvertJ, + json_object **ConvertedJ, + enum ConversionType requestedConversion); + +// Increase/Decrease previous values using percentage passed in Json +int InternalHalChangePreviousValuesUsingJson(afb_api_t apiHandle, + struct InternalHalAlsaCtlProperties *alsaCtlProperties, + json_object *requestedPercentageVariationJ, + json_object *previousControlValuesJ, + json_object **ChangedJ); + +#endif /* _INTERNALS_HAL_VALUE_CONVERSION_INCLUDE_ */
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