* 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 */
#include <systemd/sd-event.h>
#include <sys/types.h>
static ucsContextT *ucsContextS;
PUBLIC void UcsXml_CB_OnError(const char format[], uint16_t vargsCnt, ...) {
- //DEBUG (afbIface, format, args);
+ /*DEBUG (afbIface, format, args); */
va_list args;
- va_start (args, format);
+ va_start (args, vargsCnt);
vfprintf (stderr, format, args);
va_end(args);
}
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
+/* 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);
+ /* 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);
-
+
}
/**
* \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);
+ if (isError)
+ NOTICE (afbIface, 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(afbIface->daemon), 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;
}
/**
- * \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");
-
+ NOTICE (afbIface, "UNICENS stopped");
+
}
-/**
- * \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);
+/** 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 */
}
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
+ /* Buffer overrun could replay pBuffer */
}
- return(0);
+ return 0;
}
STATIC UcsXmlVal_t* ParseFile(struct afb_req request) {
ssize_t readSize;
int fdHandle ;
struct stat fdStat;
- UcsXmlVal_t* ucsConfig;
+ UcsXmlVal_t* ucsConfig;
const char *filename = afb_req_value(request, "filename");
if (!filename) {
afb_req_fail_f (request, "filename-missing", "No filename given");
- goto OnErrorExit;
+ 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));
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);
goto OnErrorExit;
}
-
+
ucsConfig = UcsXml_Parse(xmlBuffer);
if (!ucsConfig) {
afb_req_fail_f (request, "filexml-error", "File XML invalid: '%s'", filename);
goto OnErrorExit;
}
-
+
return (ucsConfig);
-
+
OnErrorExit:
return NULL;
}
return 0;
}
-// This callback is fire each time an volume event wait in the queue
+/* 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);
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;
- }
+ 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;
- }
+ goto OnErrorExit;
+ }
break;
-
- case json_type_object:
+
+ 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 {
+ goto OnErrorExit;
+ }
+ } else {
if (json_object_object_get_ex (commandJ, "channel", &nameJ)) {
int idx;
const char *name = json_object_get_string(nameJ);
}
if (ucsContext->channels[idx].name == NULL) {
afb_req_fail_f (request, "channel-invalid","command=%s channel name does not exist", name);
- goto OnErrorExit;
- }
+ 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;
+ 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;
+ 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;
+ goto OnErrorExit;
}
break;
-
- default:
+
+ default:
afb_req_fail_f (request, "setvol-invalid","command=%s not valid JSON Volume Command", json_object_get_string(commandJ));
- goto OnErrorExit;
+ goto OnErrorExit;
}
-
-
- // Fulup what's append when channel or vol are invalid ???
+
+
+ /* 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;
+ /* 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:
+
+ OnErrorExit:
return 1;
}
-
+
PUBLIC void ucs2SetVol (struct afb_req request) {
struct json_object *queryJ;
int err;
-
- // check unicens is initialised
+
+ /* check UNICENS is initialised */
if (!ucsContextS) {
- afb_req_fail_f (request, "unicens-init","Should Load Config before using setvol");
- goto OnErrorExit;
+ afb_req_fail_f (request, "UNICENS-init","Should Load Config before using setvol");
+ goto OnErrorExit;
}
-
+
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;
+ 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);
+ err= volSndCmd (request, json_object_array_get_idx (queryJ, idx), ucsContextS);
if (err) goto OnErrorExit;
}
break;
-
+
case json_type_object:
err = volSndCmd (request, queryJ, ucsContextS);
if (err) goto OnErrorExit;
break;
-
- default:
+
+ default:
afb_req_fail_f (request, "query-notarray","query=%s not valid JSON Volume Command Array", afb_req_value(request,""));
- goto OnErrorExit;
+ goto OnErrorExit;
}
-
- afb_req_success(request,NULL,NULL);
-
+
+ afb_req_success(request,NULL,NULL);
+
OnErrorExit:
return;
}
sd_event_source *evtSource;
int err;
-
- // Read and parse XML file
+
+ /* 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);
- 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");
- 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_req_fail_f (request, "devnit-error", "Fail to initialise device [rx=%s tx=%s]", CONTROL_CDEV_RX, CONTROL_CDEV_TX);
+ 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");
- 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(afbIface->daemon), &evtSource, ucsContext.rx.fileHandle, EPOLLIN, onReadCB, &ucsContext);
+ if (err < 0) {
+ afb_req_fail_f (request, "register-mainloop", "Cannot hook events to mainloop");
+ 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");
+ goto OnErrorExit;
+ }
+ /* save this in a statical variable until ucs2vol move to C */
+ ucsContextS = &ucsContext;
}
-
- // 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");
+ /* Initialise UNICENS with parsed config */
+ if (!UCSI_NewConfig(&ucsContext.ucsiData, ucsConfig)) {
+ afb_req_fail_f (request, "UNICENS-init", "Fail to initialize UNICENS");
goto OnErrorExit;
}
- // save this in a statical variable until ucs2vol move to C
- ucsContextS = &ucsContext;
-
- afb_req_success(request,NULL,"unicens-active");
-
+
+ afb_req_success(request,NULL,"UNICENS-active");
+
OnErrorExit:
return;
}