X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=ucs2-afb%2Fucs_binding.c;h=fc8d613c798de45ebab20a538c7711604336f8db;hb=ffbadf58291dd1c66acc7b17add759291e14f311;hp=18b1aa5a94befe2d040a34dafa6b2c8681a932fc;hpb=fe0ce6f9892d29da52a4ed5024ebe9d5964c0171;p=apps%2Fagl-service-unicens.git diff --git a/ucs2-afb/ucs_binding.c b/ucs2-afb/ucs_binding.c index 18b1aa5..fc8d613 100644 --- a/ucs2-afb/ucs_binding.c +++ b/ucs2-afb/ucs_binding.c @@ -21,8 +21,8 @@ #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 #include @@ -65,9 +65,9 @@ typedef struct { 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); } @@ -95,10 +95,10 @@ STATIC int onTimerCB (sd_event_source* source,uint64_t timer, void* pTag) { 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 + /* 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); @@ -124,7 +124,7 @@ void UCSI_CB_OnUserMessage(void *pTag, bool isError, const char format[], 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; @@ -133,22 +133,19 @@ STATIC int OnServiceRequiredCB (sd_event_source *source, uint64_t usec, void *pT 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 + /* 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] +/* 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; @@ -161,24 +158,22 @@ PUBLIC void UCSI_CB_OnTxRequest(void *pTag, const uint8_t *pData, uint32_t 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"); } @@ -205,7 +200,7 @@ bool Cdev_Init(CdevData_t *d, const char *fileName, bool read, bool write) else if (write) d->fileFlags = O_WRONLY | O_NONBLOCK; - // open file to enable event loop + /* open file to enable event loop */ d->fileHandle = open(d->fileName, d->fileFlags); if (d->fileHandle <= 0) goto OnErrorExit; @@ -224,7 +219,7 @@ static bool InitializeCdevs(ucsContextT *ucsContext) 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; @@ -237,9 +232,9 @@ int onReadCB (sd_event_source* src, int fileFd, uint32_t revents, void* pTag) { 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) { @@ -261,12 +256,12 @@ STATIC UcsXmlVal_t* ParseFile(struct afb_req request) { 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); @@ -294,7 +289,7 @@ STATIC int volOnSvcCB (sd_event_source* source,uint64_t timer, void* pTag) { 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); @@ -363,10 +358,10 @@ STATIC int volSndCmd (struct afb_req request, struct json_object *commandJ, ucsC } - // 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) + /* 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; } @@ -382,7 +377,7 @@ 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; @@ -428,40 +423,42 @@ PUBLIC void ucs2Init (struct afb_req request) { 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; - } + /* 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; + } - // Initialise Unicens Config Data Structure - UCSI_Init(&ucsContext.ucsiData, &ucsContext); + /* 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; - } + /* 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; + } - // 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");