/*
* Callback function for reading and writing
*/
static void
ngrclGlobusCallback(
globus_xio_handle_t handle,
globus_result_t cResult,
globus_byte_t *buffer,
globus_size_t len,
globus_size_t nbytes,
globus_xio_data_descriptor_t dataDesc,
void *userArg)
{
ngrclOperatorCallbackArg_t *arg = userArg;
ngrcOperator_t *op = arg->ngoca_operator;
globus_result_t gResult;
bool locked = false;
ngLog_t *log = NULL;
NGEM_FNAME(ngrclGlobusCallback);
log = ngemLogGetDefault();
ngLogDebug(log, NGRC_LOGCAT_GT, fName, "Called\n");
ngLogDebug(log, NGRC_LOGCAT_GT, fName,
"user_data = %p.\n", arg);
gResult = globus_mutex_lock(&op->ngo_mutex);
if (gResult != GLOBUS_SUCCESS) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"globus_mutex_lock", gResult);
} else {
locked = true;
}
ngLogDebug(log, NGRC_LOGCAT_GT, fName,
"nBytes = %lu.\n", (unsigned long)nbytes);
arg->ngoca_done = true;
arg->ngoca_result = cResult;
arg->ngoca_bytes = nbytes;
gResult = globus_cond_broadcast(&op->ngo_cond);
if (gResult != GLOBUS_SUCCESS) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"globus_cond_broadcast", gResult);
}
if (locked) {
gResult = globus_mutex_unlock(&op->ngo_mutex);
if (gResult != GLOBUS_SUCCESS) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"globus_mutex_unlock", gResult);
}
locked = false;
}
return;
}
/**
* Operator: write
*/
ngemResult_t
ngrcOperatorWrite(
ngrcOperator_t *op,
void *buf,
size_t size,
size_t *nWrite,
bool *canceled)
{
globus_result_t gResult;
ngemResult_t ret = NGEM_FAILED;
bool locked = false;
ngLog_t *log = NULL;
ngrclOperatorCallbackArg_t arg;
NGEM_FNAME(ngrcOperatorWrite);
log = ngemLogGetDefault();
NGEM_ASSERT(op != NULL);
NGEM_ASSERT(size >= 0);
NGEM_ASSERT(nWrite != NULL);
NGEM_ASSERT(canceled != NULL);
*canceled = false;
gResult = globus_mutex_lock(&op->ngo_mutex);
if (gResult != GLOBUS_SUCCESS) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"globus_mutex_lock", gResult);
goto finalize;
}
locked = true;
ngrclOperatorCallbackArgInitialize(&arg, op);
if (op->ngo_canceled) {
*canceled = true;
} else {
ngLogDebug(log, NGRC_LOGCAT_GT, fName,
"user_data = %p.\n", &arg);
gResult = globus_xio_register_write(
op->ngo_handle, buf, size, size, NULL,
ngrclGlobusCallback, &arg);
if (gResult != GLOBUS_SUCCESS) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"globus_xio_register_write", gResult);
goto finalize;
}
while (arg.ngoca_done == false) {
gResult = globus_cond_wait(&op->ngo_cond, &op->ngo_mutex);
if (gResult != GLOBUS_SUCCESS) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"globus_cond_wait", gResult);
}
}
if (arg.ngoca_result != GLOBUS_SUCCESS) {
if (globus_xio_error_is_canceled(arg.ngoca_result) == GLOBUS_FALSE) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"Callback function for writing", arg.ngoca_result);
goto finalize;
}
*canceled = true;
} else {
ngLogDebug(log, NGRC_LOGCAT_GT, fName,
"Writes %lu bytes\n", (unsigned long)arg.ngoca_bytes);
*nWrite = arg.ngoca_bytes;
}
}
ret = NGEM_SUCCESS;
finalize:
ngrclOperatorCallbackArgFinalize(&arg);
if (locked) {
gResult = globus_mutex_unlock(&op->ngo_mutex);
if (gResult != GLOBUS_SUCCESS) {
ngcpLogGlobusError(log, NGRC_LOGCAT_GT, fName,
"globus_mutex_unlock", gResult);
ret = NGEM_FAILED;
}
locked = false;
}
return ret;
}
static int
ngexlStubGetArgument(int argumentNo, void *data, int *error)
{
int result;
int methodID;
ngLog_t *log;
ngiArgument_t *arg;
ngiArgumentPointer_t src, dest;
ngRemoteMethodInformation_t *rmInfo;
ngexiContext_t *context;
static const char fName[] = "ngexlStubGetArgument";
static const ngexiExecutableStatus_t reqStatus[] = {
NGEXI_EXECUTABLE_STATUS_CALCULATING,
};
/* Initialize the local variables */
context = &ngexiContext;
log = context->ngc_log;
/* Get methodID */
methodID = ngexiContextGetMethodID(context);
/* log */
ngLogInfo(log, NG_LOGCAT_NINFG_PURE, fName,
"Getting argument %3d for method %d from Context.\n",
argumentNo, methodID);
/* Check the status */
result = ngexiContextExecutableStatusCheck(
context, &reqStatus[0], NGI_NELEMENTS(reqStatus), log, error);
if (result == 0) {
ngLogError(log, NG_LOGCAT_NINFG_PURE, fName,
"Invalid state.\n");
return 0;
}
/* Get the Method Information */
rmInfo = ngexiRemoteMethodInformationGet(
context, methodID, log, error);
if (rmInfo == NULL) {
ngLogFatal(log, NG_LOGCAT_NINFG_PURE, fName,
"Remote Method Information is not found.\n");
return 0;
}
/* Get the Argument Data */
ngexiContextGetMethodArgument(context, &arg);
if (arg == NULL) {
NGI_SET_ERROR(error, NG_ERROR_INVALID_ARGUMENT);
ngLogFatal(log, NG_LOGCAT_NINFG_PURE, fName,
"Argument Data is NULL.\n");
return 0;
}
if (arg->nga_nArguments < 0) {
NGI_SET_ERROR(error, NG_ERROR_INVALID_ARGUMENT);
ngLogFatal(log, NG_LOGCAT_NINFG_PURE, fName,
"The number of Argument Data is smaller than zero.\n");
return 0;
}
if (arg->nga_nArguments > rmInfo->ngrmi_nArguments) {
NGI_SET_ERROR(error, NG_ERROR_INVALID_ARGUMENT);
ngLogFatal(log, NG_LOGCAT_NINFG_PURE, fName,
"The number of Argument Data %d is greater than maximum %d.\n",
arg->nga_nArguments, rmInfo->ngrmi_nArguments);
return 0;
}
if (argumentNo < 0) {
NGI_SET_ERROR(error, NG_ERROR_INVALID_ARGUMENT);
ngLogFatal(log, NG_LOGCAT_NINFG_PURE, fName,
"The requested Argument No. %d is smaller equal zero.\n", argumentNo);
return 0;
}
if (argumentNo >= rmInfo->ngrmi_nArguments) {
NGI_SET_ERROR(error, NG_ERROR_INVALID_ARGUMENT);
ngLogFatal(log, NG_LOGCAT_NINFG_PURE, fName,
"The number of Argument Data %d is greater than maximum %d.\n",
argumentNo, rmInfo->ngrmi_nArguments);
return 0;
}
/* Is argument scalar variable? */
src = arg->nga_argument[argumentNo].ngae_pointer;
if (arg->nga_argument[argumentNo].ngae_dataType ==
NG_ARGUMENT_DATA_TYPE_FILENAME) {
if (arg->nga_argument[argumentNo].ngae_tmpFileNameTable == NULL) {
*(char **)data = NULL;
} else if (arg->nga_argument[argumentNo].ngae_nDimensions <= 0) {
*(char **)data =
arg->nga_argument[argumentNo].ngae_tmpFileNameTable[0];
} else {
*(char ***)data =
arg->nga_argument[argumentNo].ngae_tmpFileNameTable;
}
} else if (arg->nga_argument[argumentNo].ngae_dataType ==
NG_ARGUMENT_DATA_TYPE_STRING) {
if (src.ngap_string == NULL) {
*(char **)data = NULL;
} else if (arg->nga_argument[argumentNo].ngae_nDimensions <= 0) {
*(char **)data = src.ngap_stringArray[0];
} else {
*(char ***)data = src.ngap_stringArray;
}
} else if (arg->nga_argument[argumentNo].ngae_nDimensions != 0) {
*(void **)data = src.ngap_void;
} else {
dest.ngap_void = data;
result = ngiGetArgumentData(
arg->nga_argument[argumentNo].ngae_dataType,
src, dest, log, error);
if (result == 0) {
ngLogFatal(log, NG_LOGCAT_NINFG_PURE, fName,
"Can't get the Argument Data.\n");
return 0;
}
}
/* log */
ngLogDebug(log, NG_LOGCAT_NINFG_PURE, fName,
"Getting argument %3d for method %d finished.\n", argumentNo, methodID);
/* Success */
return 1;
}
