#define BUFFER_FRAME_COUNT 10 /* max frames in buffer */
#define WAIT_TIMER_US 1000000 /* default waiting timer 1s */
#define I2C_MAX_DATA_SZ 32 /* max. number of bytes to be written to i2c */
+#define CTRL_MAX_DATA_SZ 45 /* max. number of bytes to be written to control
+ * channel */
#include <systemd/sd-event.h>
#include <sys/types.h>
#include "ucs_binding.h"
#include "ucs_interface.h"
+#include <wrap-json.h>
#define MAX_FILENAME_LEN (100)
#define RX_BUFFER (64)
-#define XML_CONFIG_FOLDER "/data/"
+#define XML_CONFIG_FOLDER "/var/"
#define XML_CONFIG_FILE "config_multichannel_audio_kit.xml"
/** Internal structure, enabling multiple instances of this component.
typedef struct {
struct afb_event node_event;
-
} EventData_t;
+typedef struct {
+ struct afb_event rx_event;
+} EventDataRx_t;
+
static ucsContextT *ucsContextS = NULL;
static EventData_t *eventData = NULL;
+static EventDataRx_t *eventDataRx = NULL;
PUBLIC void UcsXml_CB_OnError(const char format[], uint16_t vargsCnt, ...) {
/*AFB_DEBUG (afbIface, format, args); */
UcsXml_FreeVal(ucsContextS->ucsConfig);
ucsContextS->ucsConfig = NULL;
}
+ return 0;
}
/**
sd_event_add_time(afb_daemon_get_event_loop(), NULL, CLOCK_MONOTONIC, 0, 0, OnStopCB, pTag);
}
+/* helper function: wraps Rx message in json and triggers notification */
+STATIC void NotifyEventRxMsg(uint16_t src_addr, uint16_t msg_id, uint8_t *data_ptr, uint32_t data_sz) {
+
+ if (!eventDataRx)
+ return;
+
+ if (data_sz > CTRL_MAX_DATA_SZ) {
+ AFB_NOTICE("RX-MSG: discarded, payload exceeds %d bytes", CTRL_MAX_DATA_SZ);
+ return;
+ }
+
+ json_object *j_query = NULL;
+ int node = (int)src_addr;
+ int msgid = (int)msg_id;
+ size_t data_size = (size_t)data_sz;
+
+ /* skip data attribute if possible, wrap_json_unpack may fail to deal with
+ * an empty Base64 string */
+ if (data_size > 0)
+ wrap_json_pack(&j_query, "{s:i, s:i, s:Y*}", "node", node, "msgid", msgid, "data", data_ptr, data_size);
+ else
+ wrap_json_pack(&j_query, "{s:i, s:i}", "node", node, "msgid", msgid);
+
+ afb_event_push(eventDataRx->rx_event, j_query);
+}
+
+/** Asynchronous processing of Rx messages in mainloop is recommended */
+STATIC int OnAmsMessageReceivedCB (sd_event_source *source, void *pTag) {
+ ucsContextT *ucsContext = (ucsContextT*) pTag;
+ uint32_t data_sz = 0U;
+ uint8_t *data_ptr = NULL;
+ uint16_t msg_id = 0U;
+ uint16_t src_addr = 0U;
+
+ while (UCSI_GetAmsMessage(&ucsContext->ucsiData, &msg_id, &src_addr, &data_ptr, &data_sz)) {
+ NotifyEventRxMsg(src_addr, msg_id, data_ptr, data_sz);
+ AFB_DEBUG("RX-MSG: src=0x%04X, msg_id=0x%04X, size=%d", src_addr, msg_id, data_sz);
+ UCSI_ReleaseAmsMessage(&ucsContext->ucsiData);
+ }
+
+ return 0;
+}
+
/** This callback will be raised, when ever an applicative message on the control channel arrived */
void UCSI_CB_OnAmsMessageReceived(void *pTag)
{
- /* If not interested, just ignore this event.
- Otherwise UCSI_GetAmsMessage may now be called asynchronous (mainloop) to get the content.
- Don't forget to call UCSI_ReleaseAmsMessage after that */
+ static sd_event_source *src_ptr = NULL;
+
+ if (!src_ptr)
+ {
+ /* first time usage: create and trigger event source */
+ sd_event_add_defer(afb_daemon_get_event_loop(), &src_ptr, &OnAmsMessageReceivedCB, pTag);
+ }
+ else
+ {
+ sd_event_source_set_enabled(src_ptr, SD_EVENT_ONESHOT);
+ }
}
void UCSI_CB_OnRouteResult(void *pTag, uint16_t routeId, bool isActive, uint16_t connectionLabel)
return;
}
+PUBLIC void ucs2_subscriberx (struct afb_req request) {
+
+ if (!eventDataRx) {
+
+ eventDataRx = malloc(sizeof(EventDataRx_t));
+ if (eventDataRx) {
+ eventDataRx->rx_event = afb_daemon_make_event("rx-message");
+ }
+
+ if (!eventDataRx || !afb_event_is_valid(eventDataRx->rx_event)) {
+ afb_req_fail_f(request, "create-event", "Cannot create or register event");
+ goto OnExitError;
+ }
+ }
+
+ if (afb_req_subscribe(request, eventDataRx->rx_event) != 0) {
+
+ afb_req_fail_f (request, "subscribe-event", "Cannot subscribe to event");
+ goto OnExitError;
+ }
+
+ afb_req_success(request,NULL,"event subscription successful");
+
+OnExitError:
+ return;
+}
+
+static json_object * ucs2_validate_command (struct afb_req request,
+ const char* func_name) {
+
+ struct json_object *j_obj = NULL;
+
+ if (!ucsContextS) { /* check UNICENS is initialized */
+ afb_req_fail_f(request, "unicens-init",
+ "Load a configuration before calling %s.",
+ func_name);
+ goto OnErrorExit;
+ }
+
+ j_obj = afb_req_json(request);
+ if (!j_obj) {
+ afb_req_fail_f(request,
+ "query-notjson","query=%s not a valid json entry",
+ afb_req_value(request,""));
+ goto OnErrorExit;
+ }
+
+ AFB_DEBUG("request: %s", json_object_to_json_string(j_obj));
+
+ if (json_object_get_type(j_obj)==json_type_array) {
+ int len = json_object_array_length(j_obj);
+
+ if (len == 1) { /* only support 1 command in array */
+ j_obj = json_object_array_get_idx(j_obj, 0);
+ }
+ else {
+ afb_req_fail_f(request,
+ "query-array",
+ "query of multiple %s commands is not supported",
+ func_name);
+ j_obj = NULL;
+ goto OnErrorExit;
+ }
+ }
+
+ OnErrorExit:
+ return j_obj;
+}
+
STATIC void ucs2_writei2c_CB (void *result_ptr, void *request_ptr) {
if (request_ptr){
uint8_t i2c_data_sz = 0;
uint16_t node_addr = 0;
struct afb_req *async_req_ptr = NULL;
-
- node_addr = (uint16_t)json_object_get_int(json_object_object_get(j_obj, "node"));
- AFB_NOTICE("node_address: 0x%02X", node_addr);
-
- if (node_addr == 0) {
- afb_req_fail_f(request, "query-params","params wrong or missing");
+ json_object *j_tmp;
+ json_bool key_found;
+
+ if (json_object_object_get_ex(j_obj, "node", &j_tmp)) {
+ node_addr = (uint16_t)json_object_get_int(j_tmp);
+ AFB_NOTICE("node_address: 0x%02X", node_addr);
+ if (node_addr == 0) {
+ afb_req_fail_f(request, "query-params","param node invalid type");
+ goto OnErrorExit;
+ }
+ }
+ else {
+ afb_req_fail_f(request, "query-params","param node missing");
goto OnErrorExit;
}
- if (json_object_get_type(json_object_object_get(j_obj, "data"))==json_type_array) {
- int size = json_object_array_length(json_object_object_get(j_obj, "data"));
+ key_found = json_object_object_get_ex(j_obj, "data", &j_tmp);
+ if (key_found && (json_object_get_type(j_tmp)==json_type_array)) {
+ int size = json_object_array_length(j_tmp);
if ((size > 0) && (size <= I2C_MAX_DATA_SZ)) {
int32_t i;
int32_t val;
struct json_object *j_elem;
- struct json_object *j_arr = json_object_object_get(j_obj, "data");
for (i = 0; i < size; i++) {
-
- j_elem = json_object_array_get_idx(j_arr, i);
+ j_elem = json_object_array_get_idx(j_tmp, i);
val = json_object_get_int(j_elem);
if ((val < 0) && (val > 0xFF)){
i = 0;
struct json_object *j_obj;
- /* check UNICENS is initialised */
- if (!ucsContextS) {
- afb_req_fail_f(request, "unicens-init","Should Load Config before using setvol");
- goto OnErrorExit;
- }
+ j_obj = ucs2_validate_command(request, "writei2c");
- j_obj = afb_req_json(request);
- if (!j_obj) {
- afb_req_fail_f(request, "query-notjson","query=%s not a valid json entry", afb_req_value(request,""));
- goto OnErrorExit;
- };
+ if (j_obj) {
+ ucs2_writei2c_cmd(request, j_obj);
+ }
+}
- AFB_DEBUG("request: %s", json_object_to_json_string(j_obj));
+PUBLIC void ucs2_sendmessage(struct afb_req req) {
+ uint8_t *data_ptr = NULL;
+ size_t data_sz = 0;
+ int ret, node_addr, msg_id = 0;
+ struct json_object *j_obj;
- if (json_object_get_type(j_obj)==json_type_array) {
+ j_obj = ucs2_validate_command(req, "sendmessageb64");
- int cnt;
- int len = json_object_array_length(j_obj);
-
- if (len != 1) {
- afb_req_fail_f(request, "query-array","query of multiple commands is not supported");
- goto OnErrorExit;
- }
+ if (!j_obj) {
+ AFB_NOTICE("validation of command failed");
+ goto OnErrorExit;
+ }
- for (cnt = 0; cnt < len; cnt++) {
+ ret = wrap_json_unpack(j_obj, "{s:i, s:i, s?Y}", "node", &node_addr, "msgid", &msg_id, "data", &data_ptr, &data_sz);
- json_object *j_cmd = json_object_array_get_idx(j_obj, cnt);
- ucs2_writei2c_cmd(request, j_cmd);
- }
+ if ((ret==0) &&
+ UCSI_SendAmsMessage(&ucsContextS->ucsiData, msg_id, node_addr, &data_ptr[0], data_sz)
+ ) {
+ afb_req_success(req, NULL, "sendmessageb64 started successful");
}
else {
- ucs2_writei2c_cmd(request, j_obj);
+ AFB_ERROR("sendmessageb64: scheduling command failed. ret: %d", ret);
+ afb_req_fail_f(req, "query-command-queue","ambiguous command or queue overload");
+ goto OnErrorExit;
}
- OnErrorExit:
+OnErrorExit:
+ if (data_ptr) {
+ free(data_ptr);
+ }
return;
}
Code Review / apps / agl-service-unicens.git / blobdiff