* 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.
- *
+ *
* references:
* https://gist.github.com/ghedo/963382
* http://alsa-utils.sourcearchive.com/documentation/1.0.15/aplay_8c-source.html
#define _GNU_SOURCE
-#define BUFFER_FRAME_COUNT 10 // max frames in buffer
-#define WAIT_TIMER_US 1000000 // default waiting timer 1s
+#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 <time.h>
#include <assert.h>
#include <errno.h>
+#include <dirent.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 "/var/"
+#define XML_CONFIG_FILE "config_multichannel_audio_kit.xml"
/** Internal structure, enabling multiple instances of this component.
* \note Do not access any of this variables.
CdevData_t rx;
CdevData_t tx;
UCSI_Data_t ucsiData;
- UCSI_channelsT *channels;
+ UcsXmlVal_t* ucsConfig;
} ucsContextT;
-static ucsContextT *ucsContextS;
+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, ...) {
- //DEBUG (afbIface, format, args);
+ /*AFB_DEBUG (afbIface, format, args); */
va_list args;
- va_start (args, format);
+ va_start (args, vargsCnt);
vfprintf (stderr, format, args);
va_end(args);
+
+ va_list argptr;
+ char outbuf[300];
+ va_start(argptr, vargsCnt);
+ vsprintf(outbuf, format, argptr);
+ va_end(argptr);
+ AFB_WARNING ("%s", outbuf);
}
PUBLIC uint16_t UCSI_CB_OnGetTime(void *pTag) {
struct timespec currentTime;
uint16_t timer;
pTag = pTag;
-
+
if (clock_gettime(CLOCK_MONOTONIC_RAW, ¤tTime)) {
assert(false);
return 0;
}
-
+
timer = (uint16_t) ((currentTime.tv_sec * 1000 ) + ( currentTime.tv_nsec / 1000000 ));
- return(timer);
+ return(timer);
}
STATIC int onTimerCB (sd_event_source* source,uint64_t timer, void* pTag) {
ucsContextT *ucsContext = (ucsContextT*) pTag;
- sd_event_source_unref(source);
+ sd_event_source_unref(source);
UCSI_Timeout(&ucsContext->ucsiData);
return 0;
}
-// UCS2 Interface Timer Callback
+void UCSI_CB_OnNetworkState(void *pTag, bool isAvailable, uint16_t packetBandwidth, uint8_t amountOfNodes)
+{
+ AFB_NOTICE ("Network is available=%d, bw=%d, nodeCnt=%d", isAvailable, packetBandwidth, amountOfNodes);
+}
+
+/* UCS2 Interface Timer Callback */
PUBLIC void UCSI_CB_OnSetServiceTimer(void *pTag, uint16_t timeout) {
uint64_t usec;
- // set a timer with 250ms accuracy
- sd_event_now(afb_daemon_get_event_loop(afbIface->daemon), CLOCK_BOOTTIME, &usec);
- sd_event_add_time(afb_daemon_get_event_loop(afbIface->daemon), NULL, CLOCK_MONOTONIC, usec + (timeout*1000), 250, onTimerCB, pTag);
-
+ /* set a timer with 250ms accuracy */
+ sd_event_now(afb_daemon_get_event_loop(), CLOCK_BOOTTIME, &usec);
+ sd_event_add_time(afb_daemon_get_event_loop(), NULL, CLOCK_MONOTONIC, usec + (timeout*1000), 250, onTimerCB, pTag);
+
}
/**
* \param format - Zero terminated format string (following printf rules)
* \param vargsCnt - Amount of parameters stored in "..."
*/
-void UCSI_CB_OnUserMessage(void *pTag, const char format[],
+void UCSI_CB_OnUserMessage(void *pTag, bool isError, const char format[],
uint16_t vargsCnt, ...) {
- //DEBUG (afbIface, format, args);
- va_list args;
- va_start (args, format);
- vfprintf (stderr, format, args);
- va_end(args);
+ va_list argptr;
+ char outbuf[300];
+ pTag = pTag;
+ va_start(argptr, vargsCnt);
+ vsprintf(outbuf, format, argptr);
+ va_end(argptr);
+ AFB_NOTICE ("%s",outbuf);
}
-// UCSI_Service cannot be call directly within Unicens context, need to reset stack through mainloop
+/** UCSI_Service cannot be called directly within UNICENS context, need to service stack through mainloop */
STATIC int OnServiceRequiredCB (sd_event_source *source, uint64_t usec, void *pTag) {
ucsContextT *ucsContext = (ucsContextT*) pTag;
-
+
sd_event_source_unref(source);
UCSI_Service(&ucsContext->ucsiData);
return (0);
}
-// UCS Callback fire when ever pTag instance needs to be serviced
+/* UCS Callback fire when ever UNICENS needs to be serviced */
PUBLIC void UCSI_CB_OnServiceRequired(void *pTag) {
-
- // push an asynchronous request for loopback to call UCSI_Service
- sd_event_add_time(afb_daemon_get_event_loop(afbIface->daemon), NULL, CLOCK_MONOTONIC, 0, 0, OnServiceRequiredCB, pTag);
-}
-
-/**
- * \brief Callback when ever a MOST error message was received.
- * \note This function must be implemented by the integrator
- * \param pTag - Pointer given by the integrator by UCSI_Init
- * \note All following parameters belong to the usual MOST message
- */
-PUBLIC void UCSI_CB_OnMostError(void *pTag, uint16_t sourceAddr,
- uint8_t fblock, uint8_t inst, uint16_t function, uint8_t op,
- const uint8_t *pPayload, uint32_t payloadLen) {
-
- // Error to send to syslog
- DEBUG (afbIface, "OnMostError source=0x%x", sourceAddr);
+ /* push an asynchronous request for loopback to call UCSI_Service */
+ sd_event_add_time(afb_daemon_get_event_loop(), NULL, CLOCK_MONOTONIC, 0, 0, OnServiceRequiredCB, pTag);
}
-
-
-// Callback when ever this instance wants to send a message to INIC.
-// BUGS?? Sample was returning true/false on error when integration layer expect a void [question from Fulup to Thorsten]
-PUBLIC void UCSI_CB_SendMostMessage(void *pTag, const uint8_t *pData, uint32_t len) {
-
+/* Callback when ever this UNICENS wants to send a message to INIC. */
+PUBLIC void UCSI_CB_OnTxRequest(void *pTag, const uint8_t *pData, uint32_t len) {
ucsContextT *ucsContext = (ucsContextT*) pTag;
CdevData_t *cdevTx = &ucsContext->tx;
uint32_t total = 0;
-
-
+
if (NULL == pData || 0 == len) return;
-
+
if (O_RDONLY == cdevTx->fileFlags) return;
if (-1 == cdevTx->fileHandle)
cdevTx->fileHandle = open(cdevTx->fileName, cdevTx->fileFlags);
if (-1 == cdevTx->fileHandle)
return;
-
+
while(total < len) {
ssize_t written = write(cdevTx->fileHandle, &pData[total], (len - total));
if (0 >= written)
{
- cdevTx->fileHandle = -1;
- return;
+ /* Silently ignore write error (only occur in non-blocking mode) */
+ break;
}
total += (uint32_t) written;
}
-
- return;
+}
+
+/** UcsXml_FreeVal be called directly within UNICENS context, need to service stack through mainloop */
+STATIC int OnStopCB (sd_event_source *source, uint64_t usec, void *pTag) {
+ if (NULL != ucsContextS && NULL != ucsContextS->ucsConfig) {
+ UcsXml_FreeVal(ucsContextS->ucsConfig);
+ ucsContextS->ucsConfig = NULL;
+ }
+ return 0;
}
/**
- * \brief Callback when Unicens instance has been stopped.
+ * \brief Callback when UNICENS instance has been stopped.
* \note This event can be used to free memory holding the resources
* passed with UCSI_NewConfig
* \note This function must be implemented by the integrator
* \param pTag - Pointer given by the integrator by UCSI_Init
*/
void UCSI_CB_OnStop(void *pTag) {
- NOTICE (afbIface, "Unicens stopped");
-
+ AFB_NOTICE ("UNICENS stopped");
+ /* push an asynchronous request for loopback to call UcsXml_FreeVal */
+ sd_event_add_time(afb_daemon_get_event_loop(), NULL, CLOCK_MONOTONIC, 0, 0, OnStopCB, pTag);
}
-/**
- * \brief Callback on Unicens management results.
- * \note This function must be implemented by the integrator
- * \param pTag - Pointer given by the integrator by UCSI_Init
- * \param code - Result code
- * \param nodeAddress - Node address of the device causing this event
- * \param pNode - Pointer to node structure holding details of changed node
- */
-extern void UCSI_CB_OnMgrReport(void *pTag, Ucs_MgrReport_t code, uint16_t nodeAddress, Ucs_Rm_Node_t *pNode) {
-
- DEBUG (afbIface, "OnMgrReport: Ucs_MgrReport_t=%d nodeAdresse=0x%x", code, nodeAddress);
+/* 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)
+{
+ 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)
+{
+ AFB_NOTICE ("Route 0x%X is active=%d, connection label=0x%X", routeId, isActive, connectionLabel);
+}
+
+void UCSI_CB_OnGpioStateChange(void *pTag, uint16_t nodeAddress, uint8_t gpioPinId, bool isHighState)
+{
+ AFB_NOTICE ("GPIO state of node 0x%X changed, pin=%d isHigh=%d", nodeAddress, gpioPinId, isHighState);
+}
+
+PUBLIC void UCSI_CB_OnMgrReport(void *pTag, Ucs_MgrReport_t code, uint16_t nodeAddress, Ucs_Rm_Node_t *pNode){
+
+ bool available;
+
+ if (code == UCS_MGR_REP_AVAILABLE) {
+ available = true;
+ }
+ else if (code == UCS_MGR_REP_NOT_AVAILABLE) {
+ available = false;
+ }
+ else {
+ /*untracked event - just exit*/
+ return;
+ }
+
+ if (eventData) {
+
+ json_object *j_event_info = json_object_new_object();
+ json_object_object_add(j_event_info, "node", json_object_new_int(nodeAddress));
+ json_object_object_add(j_event_info, "available", json_object_new_boolean(available));
+
+ afb_event_push(eventData->node_event, j_event_info);
+ }
}
bool Cdev_Init(CdevData_t *d, const char *fileName, bool read, bool write)
{
if (NULL == d || NULL == fileName) goto OnErrorExit;
-
+
memset(d, 0, sizeof(CdevData_t));
strncpy(d->fileName, fileName, MAX_FILENAME_LEN);
d->fileHandle = -1;
-
+
if (read && write)
d->fileFlags = O_RDWR | O_NONBLOCK;
else if (read)
d->fileFlags = O_RDONLY | O_NONBLOCK;
else if (write)
d->fileFlags = O_WRONLY | O_NONBLOCK;
-
- // open file to enable event loop
- d->fileHandle = open(d->fileName, d->fileFlags);
+
+ /* open file to enable event loop */
+ d->fileHandle = open(d->fileName, d->fileFlags);
if (d->fileHandle <= 0) goto OnErrorExit;
-
+
return true;
-
+
OnErrorExit:
return false;
}
return true;
}
-// Callback fire when something is avaliable on MOST cdev
+/* Callback fire when something is avaliable on MOST cdev */
int onReadCB (sd_event_source* src, int fileFd, uint32_t revents, void* pTag) {
ucsContextT *ucsContext =( ucsContextT*) pTag;
ssize_t len;
int ok;
len = read (ucsContext->rx.fileHandle, &pBuffer, sizeof(pBuffer));
-
+ if (0 == len)
+ return 0;
ok= UCSI_ProcessRxData(&ucsContext->ucsiData, pBuffer, (uint16_t)len);
if (!ok) {
- DEBUG (afbIface, "Buffer overrun (not handle)");
- // Buffer overrun could replay pBuffer
+ AFB_DEBUG ("Buffer overrun (not handle)");
+ /* Buffer overrun could replay pBuffer */
+ }
+ return 0;
+}
+
+
+STATIC char* GetDefaultConfig(void) {
+
+ char const *data_path = getenv("AFM_APP_INSTALL_DIR");
+
+ if (!data_path) {
+ AFB_ERROR("AFM_APP_INSTALL_DIR is not defined");
+ }
+ else {
+ size_t size;
+ char * config_path;
+
+ AFB_NOTICE("AFM_APP_INSTALL_DIR is: %s", data_path);
+ size = strlen(data_path) + strlen(XML_CONFIG_FOLDER) + strlen(XML_CONFIG_FILE) + 2;
+ config_path = malloc(size);
+ if (config_path != NULL) {
+ snprintf(config_path, size, "%s%s%s", data_path, XML_CONFIG_FOLDER, XML_CONFIG_FILE);
+ if(access(config_path, R_OK ) == 0) {
+ AFB_NOTICE("Default configuration: %s", config_path);
+ return config_path;
+ }
+ }
}
- return(0);
+
+ return NULL;
}
-STATIC UcsXmlVal_t* ParseFile(struct afb_req request) {
+STATIC UcsXmlVal_t* ParseFile(const char *filename) {
char *xmlBuffer;
ssize_t readSize;
int fdHandle ;
struct stat fdStat;
- UcsXmlVal_t* ucsConfig;
+ UcsXmlVal_t *ucsConfig = NULL;
- const char *filename = afb_req_value(request, "filename");
- if (!filename) {
- afb_req_fail_f (request, "filename-missing", "No filename given");
- goto OnErrorExit;
- }
-
fdHandle = open(filename, O_RDONLY);
if (fdHandle <= 0) {
- afb_req_fail_f (request, "fileread-error", "File not accessible: '%s' err=%s", filename, strerror(fdHandle));
+ AFB_ERROR("File not accessible: '%s' err=%s", filename, strerror(fdHandle));
goto OnErrorExit;
}
-
- // read file into buffer as a \0 terminated string
+
+ /* read file into buffer as a \0 terminated string */
fstat(fdHandle, &fdStat);
xmlBuffer = (char*)alloca(fdStat.st_size + 1);
readSize = read(fdHandle, xmlBuffer, fdStat.st_size);
close(fdHandle);
- xmlBuffer[readSize] = '\0'; //In any case, terminate it.
-
+ xmlBuffer[readSize] = '\0'; /* In any case, terminate it. */
+
if (readSize != fdStat.st_size) {
- afb_req_fail_f (request, "fileread-fail", "File to read fullfile '%s' size(%d!=%d)", filename, readSize, fdStat.st_size);
+ AFB_ERROR("File to read fullfile '%s' size(%d!=%d)", filename, (int)readSize, (int)fdStat.st_size);
goto OnErrorExit;
}
-
+
ucsConfig = UcsXml_Parse(xmlBuffer);
if (!ucsConfig) {
- afb_req_fail_f (request, "filexml-error", "File XML invalid: '%s'", filename);
+ AFB_ERROR("File XML invalid: '%s'", filename);
goto OnErrorExit;
}
-
+ AFB_NOTICE ("Parsing result: %d Nodes, %d Scripts, Ethernet Bandwith %d bytes = %.2f MBit/s", ucsConfig->nodSize, ucsConfig->routesSize, ucsConfig->packetBw, (48 * 8 * ucsConfig->packetBw / 1000.0));
+
return (ucsConfig);
-
+
OnErrorExit:
return NULL;
}
-STATIC int volOnSvcCB (sd_event_source* source,uint64_t timer, void* pTag) {
- ucsContextT *ucsContext = (ucsContextT*) pTag;
+PUBLIC int StartConfiguration(const char *filename) {
+ static ucsContextT ucsContext = { 0 };
- sd_event_source_unref(source);
- UCSI_Vol_Service(&ucsContext->ucsiData);
+ sd_event_source *evtSource;
+ int err;
- return 0;
-}
+ /* Read and parse XML file */
+ ucsContext.ucsConfig = ParseFile(filename);
+ if (NULL == ucsContext.ucsConfig) {
+ AFB_ERROR ("Cannot access or load file: '%s'", filename);
+ goto OnErrorExit;
+ }
-// This callback is fire each time an volume event wait in the queue
-void volumeCB (uint16_t timeout) {
- uint64_t usec;
- sd_event_now(afb_daemon_get_event_loop(afbIface->daemon), CLOCK_BOOTTIME, &usec);
- sd_event_add_time(afb_daemon_get_event_loop(afbIface->daemon), NULL, CLOCK_MONOTONIC, usec + (timeout*1000), 250, volOnSvcCB, ucsContextS);
-}
-
-STATIC int volSndCmd (struct afb_req request, struct json_object *commandJ, ucsContextT *ucsContext) {
- int numid, vol, err;
- struct json_object *nameJ, *channelJ, *volJ;
-
- enum json_type jtype= json_object_get_type(commandJ);
- switch (jtype) {
- case json_type_array:
- if (!sscanf (json_object_get_string (json_object_array_get_idx(commandJ, 0)), "%d", &numid)) {
- afb_req_fail_f (request, "channel-invalid","command=%s channel is not an integer", json_object_get_string (channelJ));
- goto OnErrorExit;
- }
- if (!sscanf (json_object_get_string (json_object_array_get_idx(commandJ, 1)), "%d", &vol)) {
- afb_req_fail_f (request, "vol-invalid","command=%s vol is not an integer", json_object_get_string (channelJ));
- goto OnErrorExit;
- }
- break;
-
- case json_type_object:
- if (json_object_object_get_ex (commandJ, "numid", &channelJ)) {
- if (!sscanf (json_object_get_string (channelJ), "%d", &numid)) {
- afb_req_fail_f (request, "channel-invalid","command=%s numid is not an integer", json_object_get_string (channelJ));
- goto OnErrorExit;
- }
- } else {
- if (json_object_object_get_ex (commandJ, "channel", &nameJ)) {
- int idx;
- const char *name = json_object_get_string(nameJ);
-
- for (idx =0; ucsContext->channels[idx].name != NULL; idx++) {
- if (!strcasecmp(ucsContext->channels[idx].name, name)) {
- numid = ucsContext->channels[idx].numid;
- break;
- }
- }
- if (ucsContext->channels[idx].name == NULL) {
- afb_req_fail_f (request, "channel-invalid","command=%s channel name does not exist", name);
- goto OnErrorExit;
- }
- } else {
- afb_req_fail_f (request, "channel-invalid","command=%s no valid channel name or channel", json_object_get_string(commandJ));
- goto OnErrorExit;
- };
- }
-
- if (!json_object_object_get_ex (commandJ, "volume", &volJ)) {
- afb_req_fail_f (request, "vol-missing","command=%s vol not present", json_object_get_string (commandJ));
- goto OnErrorExit;
- }
-
- if (!sscanf (json_object_get_string (volJ), "%d", &vol)) {
- afb_req_fail_f (request, "vol-invalid","command=%s vol:%s is not an integer", json_object_get_string (commandJ), json_object_get_string (volJ));
- goto OnErrorExit;
- }
+ /* When ucsContextS is set, do not initalize UNICENS, CDEVs or system hooks, just load new XML */
+ if (!ucsContextS)
+ {
+ if (!ucsContextS && !InitializeCdevs(&ucsContext)) {
+ AFB_ERROR ("Fail to initialise device [rx=%s tx=%s]", CONTROL_CDEV_RX, CONTROL_CDEV_TX);
+ goto OnErrorExit;
+ }
+
+ /* Initialise UNICENS Config Data Structure */
+ UCSI_Init(&ucsContext.ucsiData, &ucsContext);
+
+ /* register aplayHandle file fd into binder mainloop */
+ err = sd_event_add_io(afb_daemon_get_event_loop(), &evtSource, ucsContext.rx.fileHandle, EPOLLIN, onReadCB, &ucsContext);
+ if (err < 0) {
+ AFB_ERROR ("Cannot hook events to mainloop");
+ goto OnErrorExit;
+ }
+
+ /* save this in a statical variable until ucs2vol move to C */
+ ucsContextS = &ucsContext;
+ }
+ /* Initialise UNICENS with parsed config */
+ if (!UCSI_NewConfig(&ucsContext.ucsiData, ucsContext.ucsConfig)) {
+ AFB_ERROR ("Fail to initialize UNICENS");
+ goto OnErrorExit;
+ }
- break;
-
- default:
- afb_req_fail_f (request, "setvol-invalid","command=%s not valid JSON Volume Command", json_object_get_string(commandJ));
- goto OnErrorExit;
- }
-
-
- // Fulup what's append when channel or vol are invalid ???
- err = UCSI_Vol_Set (&ucsContext->ucsiData, numid, (uint8_t) vol);
- if (err) {
- // Fulup this might only be a warning (not sure about it)
- afb_req_fail_f (request, "vol-refused","command=%s vol was refused by unicens", json_object_get_string (volJ));
- goto OnErrorExit;
- }
-
return 0;
-
- OnErrorExit:
- return 1;
+
+ OnErrorExit:
+ return -1;
}
-
-PUBLIC void ucs2SetVol (struct afb_req request) {
- struct json_object *queryJ;
- int err;
-
- // check unicens is initialised
- if (!ucsContextS) {
- afb_req_fail_f (request, "unicens-init","Should Load Config before using setvol");
- goto OnErrorExit;
+PUBLIC void ucs2_initialise (struct afb_req request) {
+ const char *filename = afb_req_value(request, "filename");
+
+ if (!filename) {
+ afb_req_fail_f (request, "filename-missing", "No filename given");
+ goto OnErrorExit;
+ }
+
+ if (StartConfiguration(filename) != 0) {
+ afb_req_fail_f (request, "load-failed", "Cannot parse file and start UNICENS");
+ goto OnErrorExit;
}
-
+
+ afb_req_success(request,NULL,"UNICENS-active");
+
+ OnErrorExit:
+ return;
+}
+
+
+// List Avaliable Configuration Files
+PUBLIC void ucs2_listconfig (struct afb_req request) {
+ struct json_object *queryJ, *tmpJ, *responseJ;
+ DIR *dirHandle;
+ char *dirPath, *dirList;
+ int error=0;
+
queryJ = afb_req_json(request);
- if (!queryJ) {
- afb_req_fail_f (request, "query-notjson","query=%s not a valid json entry", afb_req_value(request,""));
- goto OnErrorExit;
- };
-
- enum json_type jtype= json_object_get_type(queryJ);
- switch (jtype) {
- case json_type_array:
- for (int idx=0; idx < json_object_array_length (queryJ); idx ++) {
- err= volSndCmd (request, json_object_array_get_idx (queryJ, idx), ucsContextS);
- if (err) goto OnErrorExit;
+ if (queryJ && json_object_object_get_ex (queryJ, "cfgpath" , &tmpJ)) {
+ dirList = strdup (json_object_get_string(tmpJ));
+ } else {
+ dirList = strdup (UCS2_CFG_PATH);
+ AFB_NOTICE ("fgpath:missing uses UCS2_CFG_PATH=%s", UCS2_CFG_PATH);
+ }
+
+ responseJ = json_object_new_array();
+ for (dirPath= strtok(dirList, ":"); dirPath && *dirPath; dirPath=strtok(NULL,":")) {
+ struct dirent *dirEnt;
+
+ dirHandle = opendir (dirPath);
+ if (!dirHandle) {
+ AFB_NOTICE ("ucs2_listconfig dir=%s not readable", dirPath);
+ error++;
+ continue;
+ }
+
+ AFB_NOTICE ("ucs2_listconfig scanning: %s", dirPath);
+ while ((dirEnt = readdir(dirHandle)) != NULL) {
+ // Unknown type is accepted to support dump filesystems
+ if (dirEnt->d_type == DT_REG || dirEnt->d_type == DT_UNKNOWN) {
+ struct json_object *pathJ = json_object_new_object();
+ json_object_object_add(pathJ, "dirpath", json_object_new_string(dirPath));
+ json_object_object_add(pathJ, "basename", json_object_new_string(dirEnt->d_name));
+ json_object_array_add(responseJ, pathJ);
}
- break;
-
- case json_type_object:
- err = volSndCmd (request, queryJ, ucsContextS);
- if (err) goto OnErrorExit;
- break;
-
- default:
- afb_req_fail_f (request, "query-notarray","query=%s not valid JSON Volume Command Array", afb_req_value(request,""));
- goto OnErrorExit;
+ }
+ }
+
+ free (dirList);
+
+ if (!error) afb_req_success(request,responseJ,NULL);
+ else {
+ char info[40];
+ snprintf (info, sizeof(info), "[%d] where not scanned", error);
+ afb_req_success(request,responseJ, info);
}
-
- afb_req_success(request,NULL,NULL);
-
- OnErrorExit:
return;
}
+PUBLIC void ucs2_subscribe (struct afb_req request) {
-PUBLIC void ucs2Init (struct afb_req request) {
- static UcsXmlVal_t *ucsConfig;
- static ucsContextT ucsContext;
+ if (!eventData) {
- sd_event_source *evtSource;
- int err;
-
- // Read and parse XML file
- ucsConfig = ParseFile (request);
- if (NULL == ucsConfig) goto OnErrorExit;
-
- // Fulup->Thorsten BUG InitializeCdevs should fail when control does not exit
- if (!InitializeCdevs(&ucsContext)) {
- afb_req_fail_f (request, "devnit-error", "Fail to initialise device [rx=%s tx=%s]", CONTROL_CDEV_RX, CONTROL_CDEV_TX);
+ eventData = malloc(sizeof(EventData_t));
+ if (eventData) {
+ eventData->node_event = afb_daemon_make_event ("node-availibility");
+ }
+
+ if (!eventData || !afb_event_is_valid(eventData->node_event)) {
+ afb_req_fail_f (request, "create-event", "Cannot create or register event");
+ goto OnExitError;
+ }
+ }
+
+ if (afb_req_subscribe(request, eventData->node_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;
+}
+
+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;
}
- // Initialise Unicens Config Data Structure
- UCSI_Init(&ucsContext.ucsiData, &ucsContext);
-
- // Initialise Unicens with parsed config
- if (!UCSI_NewConfig(&ucsContext.ucsiData, ucsConfig)) {
- afb_req_fail_f (request, "unicens-init", "Fail to initialize Unicens");
+ 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;
}
- // register aplayHandle file fd into binder mainloop
- err = sd_event_add_io(afb_daemon_get_event_loop(afbIface->daemon), &evtSource, ucsContext.rx.fileHandle, EPOLLIN, onReadCB, &ucsContext);
- if (err < 0) {
- afb_req_fail_f (request, "register-mainloop", "Cannot hook events to mainloop");
+ 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){
+ afb_req *req = (afb_req *)request_ptr;
+ Ucs_I2c_ResultCode_t *res = (Ucs_I2c_ResultCode_t *)result_ptr;
+
+ if (!res) {
+ afb_req_fail(*req, "processing","busy or lost initialization");
+ }
+ else if (*res != UCS_I2C_RES_SUCCESS){
+ afb_req_fail_f(*req, "error-result", "result code: %d", *res);
+ }
+ else {
+ afb_req_success(*req, NULL, "success");
+ }
+
+ afb_req_unref(*req);
+ free(request_ptr);
+ }
+ else {
+ AFB_NOTICE("write_i2c: ambiguous response data");
+ }
+}
+
+/* write a single i2c command */
+STATIC void ucs2_writei2c_cmd(struct afb_req request, json_object *j_obj) {
+
+ static uint8_t i2c_data[I2C_MAX_DATA_SZ];
+ uint8_t i2c_data_sz = 0;
+ uint16_t node_addr = 0;
+ struct afb_req *async_req_ptr = NULL;
+ 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;
}
-
- // init Unicens Volume Library
- ucsContext.channels = UCSI_Vol_Init (&ucsContext.ucsiData, volumeCB);
- if (!ucsContext.channels) {
- afb_req_fail_f (request, "register-volume", "Could not enqueue new Unicens config");
+
+ 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;
+
+ for (i = 0; i < size; 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;
+ break;
+ }
+ i2c_data[i] = (uint8_t)json_object_get_int(j_elem);
+ }
+
+ i2c_data_sz = (uint8_t)i;
+ }
+ }
+
+ if (i2c_data_sz == 0) {
+ AFB_NOTICE("data: invalid or not found");
+ afb_req_fail_f(request, "query-params","params wrong or missing");
goto OnErrorExit;
}
- // save this in a statical variable until ucs2vol move to C
- ucsContextS = &ucsContext;
-
- afb_req_success(request,NULL,"unicens-active");
-
- OnErrorExit:
+
+ async_req_ptr = malloc(sizeof(afb_req));
+ *async_req_ptr = request;
+
+ if (UCSI_I2CWrite( &ucsContextS->ucsiData, /* UCSI_Data_t *pPriv*/
+ node_addr, /* uint16_t targetAddress*/
+ false, /* bool isBurst*/
+ 0u, /* block count */
+ 0x2Au, /* i2c slave address */
+ 0x03E8u, /* timeout 1000 milliseconds */
+ i2c_data_sz, /* uint8_t dataLen */
+ &i2c_data[0], /* uint8_t *pData */
+ &ucs2_writei2c_CB, /* callback*/
+ (void*)async_req_ptr /* callback argument */
+ )) {
+ /* asynchronous command is running */
+ afb_req_addref(request);
+ }
+ else {
+ AFB_NOTICE("i2c write: scheduling command failed");
+ afb_req_fail_f(request, "query-command-queue","command queue overload");
+ free(async_req_ptr);
+ async_req_ptr = NULL;
+ goto OnErrorExit;
+ }
+
+OnErrorExit:
return;
}
+
+/* parse array or single command */
+PUBLIC void ucs2_writei2c (struct afb_req request) {
+
+ struct json_object *j_obj;
+
+ j_obj = ucs2_validate_command(request, "writei2c");
+
+ if (j_obj) {
+ ucs2_writei2c_cmd(request, 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;
+
+ j_obj = ucs2_validate_command(req, "sendmessageb64");
+
+ if (!j_obj) {
+ AFB_NOTICE("validation of command failed");
+ goto OnErrorExit;
+ }
+
+ ret = wrap_json_unpack(j_obj, "{s:i, s:i, s?Y}", "node", &node_addr, "msgid", &msg_id, "data", &data_ptr, &data_sz);
+
+ 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 {
+ 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:
+ if (data_ptr) {
+ free(data_ptr);
+ }
+ return;
+}
+
+PUBLIC int ucs2_initbinding(void) {
+#ifndef DISABLE_AUTOSTART
+ char *filename = GetDefaultConfig();
+ if (filename != NULL) {
+
+ AFB_NOTICE("AUTO-LOAD configuration: %s", filename);
+ if (StartConfiguration(filename) == 0) {
+ AFB_NOTICE("AUTO-LOAD successful");
+ } else {
+ AFB_NOTICE("AUTO-LOAD failed");
+ }
+ free(filename);
+ }
+#endif
+ return 0;
+}