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3610474fbbb690ad256e08ce38f554cc3ba03976
pvAccess/testApp/remote/pvput.cpp
Matej Sekoranja 3610474fbb pvput outside thread print
2013-01-10 14:31:13 +01:00

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#include <iostream>
#include <pv/clientFactory.h>
#include <pv/pvAccess.h>
#include <stdio.h>
#include <epicsStdlib.h>
#include <epicsGetopt.h>
#include <epicsThread.h>
#include <pv/logger.h>
#include <pv/lock.h>
#include <vector>
#include <string>
#include <sstream>
#include <pv/event.h>
#include <epicsExit.h>
#include "pvutils.cpp"
#include <pv/convert.h>
using namespace std;
using namespace std::tr1;
using namespace epics::pvData;
using namespace epics::pvAccess;
// TODO add >> operator support to PVField
// code copied from Convert.cpp and added error handling, and more strict boolean convert
void fromString(PVScalarPtr const & pvScalar, String const & from)
{
ScalarConstPtr scalar = pvScalar->getScalar();
ScalarType scalarType = scalar->getScalarType();
switch(scalarType) {
case pvBoolean: {
PVBooleanPtr pv = static_pointer_cast<PVBoolean>(pvScalar);
bool isTrue = (from.compare("true")==0 || from.compare("1")==0);
bool isFalse = (from.compare("false")==0 || from.compare("0")==0);
if (!(isTrue || isFalse))
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (boolean) from string value '" + from + "'");
pv->put(isTrue == true);
return;
}
case pvByte : {
PVBytePtr pv = static_pointer_cast<PVByte>(pvScalar);
int ival;
int result = sscanf(from.c_str(),"%d",&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (byte) from string value '" + from + "'");
int8 value = ival;
pv->put(value);
return;
}
case pvShort : {
PVShortPtr pv = static_pointer_cast<PVShort>(pvScalar);
int ival;
int result = sscanf(from.c_str(),"%d",&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (short) from string value '" + from + "'");
int16 value = ival;
pv->put(value);
return;
}
case pvInt : {
PVIntPtr pv = static_pointer_cast<PVInt>(pvScalar);
int ival;
int result = sscanf(from.c_str(),"%d",&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (int) from string value '" + from + "'");
int32 value = ival;
pv->put(value);
return;
}
case pvLong : {
PVLongPtr pv = static_pointer_cast<PVLong>(pvScalar);
int64 ival;
int result = sscanf(from.c_str(),"%lld",(long long *)&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (long) from string value '" + from + "'");
int64 value = ival;
pv->put(value);
return;
}
case pvUByte : {
PVUBytePtr pv = static_pointer_cast<PVUByte>(pvScalar);
unsigned int ival;
int result = sscanf(from.c_str(),"%u",&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (ubyte) from string value '" + from + "'");
uint8 value = ival;
pv->put(value);
return;
}
case pvUShort : {
PVUShortPtr pv = static_pointer_cast<PVUShort>(pvScalar);
unsigned int ival;
int result = sscanf(from.c_str(),"%u",&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (ushort) from string value '" + from + "'");
uint16 value = ival;
pv->put(value);
return;
}
case pvUInt : {
PVUIntPtr pv = static_pointer_cast<PVUInt>(pvScalar);
unsigned int ival;
int result = sscanf(from.c_str(),"%u",&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (uint) from string value '" + from + "'");
uint32 value = ival;
pv->put(value);
return;
}
case pvULong : {
PVULongPtr pv = static_pointer_cast<PVULong>(pvScalar);
unsigned long long ival;
int result = sscanf(from.c_str(),"%llu",(long long unsigned int *)&ival);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (ulong) from string value '" + from + "'");
uint64 value = ival;
pv->put(value);
return;
}
case pvFloat : {
PVFloatPtr pv = static_pointer_cast<PVFloat>(pvScalar);
float value;
int result = sscanf(from.c_str(),"%f",&value);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (float) from string value '" + from + "'");
pv->put(value);
return;
}
case pvDouble : {
PVDoublePtr pv = static_pointer_cast<PVDouble>(pvScalar);
double value;
int result = sscanf(from.c_str(),"%lf",&value);
if (result != 1)
throw runtime_error("failed to parse field " + pvScalar->getFieldName() + " (double) from string value '" + from + "'");
pv->put(value);
return;
}
case pvString: {
PVStringPtr value = static_pointer_cast<PVString>(pvScalar);
value->put(from);
return;
}
}
String message("fromString unknown scalarType ");
ScalarTypeFunc::toString(&message,scalarType);
throw std::logic_error(message);
}
size_t convertFromStringArray(PVScalarArray *pv,
size_t offset, size_t len,const StringArray & from, size_t fromOffset)
{
ScalarType elemType = pv->getScalarArray()->getElementType();
size_t ntransfered = 0;
switch (elemType) {
case pvBoolean: {
PVBooleanArray *pvdata = static_cast<PVBooleanArray*>(pv);
boolean data[1];
while (len > 0) {
String fromString = from[fromOffset];
bool isTrue = (fromString.compare("true")==0 || fromString.compare("1")==0);
bool isFalse = (fromString.compare("false")==0 || fromString.compare("0")==0);
if (!(isTrue || isFalse))
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (boolean array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = isTrue == true;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvByte: {
PVByteArray *pvdata = static_cast<PVByteArray*>(pv);
int8 data[1];
while (len > 0) {
String fromString = from[fromOffset];
int ival;
int result = sscanf(fromString.c_str(),"%d",&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (byte array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvShort: {
PVShortArray *pvdata = static_cast<PVShortArray*>(pv);
int16 data[1];
while (len > 0) {
String fromString = from[fromOffset];
int ival;
int result = sscanf(fromString.c_str(),"%d",&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (short array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvInt: {
PVIntArray *pvdata = static_cast<PVIntArray*>(pv);
int32 data[1];
while (len > 0) {
String fromString = from[fromOffset];
int ival;
int result = sscanf(fromString.c_str(),"%d",&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (int array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvLong: {
PVLongArray *pvdata = static_cast<PVLongArray*>(pv);
int64 data[1];
while (len > 0) {
String fromString = from[fromOffset];
int64 ival;
int result = sscanf(fromString.c_str(),"%lld",(long long int *)&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (long array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvUByte: {
PVUByteArray *pvdata = static_cast<PVUByteArray*>(pv);
uint8 data[1];
while (len > 0) {
String fromString = from[fromOffset];
unsigned int ival;
int result = sscanf(fromString.c_str(),"%u",&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (ubyte array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvUShort: {
PVUShortArray *pvdata = static_cast<PVUShortArray*>(pv);
uint16 data[1];
while (len > 0) {
String fromString = from[fromOffset];
unsigned int ival;
int result = sscanf(fromString.c_str(),"%u",&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (ushort array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvUInt: {
PVUIntArray *pvdata = static_cast<PVUIntArray*>(pv);
uint32 data[1];
while (len > 0) {
String fromString = from[fromOffset];
unsigned int ival;
int result = sscanf(fromString.c_str(),"%u",&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (uint array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvULong: {
PVULongArray *pvdata = static_cast<PVULongArray*>(pv);
uint64 data[1];
while (len > 0) {
String fromString = from[fromOffset];
uint64 ival;
int result = sscanf(fromString.c_str(),"%lld",(unsigned long long int *)&ival);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (ulong array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = ival;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvFloat: {
PVFloatArray *pvdata = static_cast<PVFloatArray*>(pv);
float data[1];
while (len > 0) {
String fromString = from[fromOffset];
float fval;
int result = sscanf(fromString.c_str(),"%f",&fval);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (float array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = fval;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvDouble: {
PVDoubleArray *pvdata = static_cast<PVDoubleArray*>(pv);
double data[1];
while (len > 0) {
String fromString = from[fromOffset];
double fval;
int result = sscanf(fromString.c_str(),"%lf",&fval);
if (result != 1)
{
char soffset[64];
sprintf(soffset, "%u", (unsigned int)offset);
throw runtime_error("failed to parse field " + pv->getFieldName() + " (double array at index " + soffset + ") from string value '" + fromString + "'");
}
data[0] = fval;
if (pvdata->put(offset, 1, data, 0) == 0)
return ntransfered;
--len;
++ntransfered;
++offset;
++fromOffset;
}
return ntransfered;
}
case pvString:
PVStringArray *pvdata = static_cast<PVStringArray*>(pv);
while (len > 0) {
String * xxx = const_cast<String *>(get(from));
size_t n = pvdata->put(offset, len, xxx, fromOffset);
if (n == 0)
break;
len -= n;
offset += n;
fromOffset += n;
ntransfered += n;
}
return ntransfered;
}
String message("convertFromStringArray should never get here");
throw std::logic_error(message);
}
size_t fromStringArray(PVScalarArrayPtr const &pv, size_t offset, size_t length,
StringArray const & from, size_t fromOffset)
{
return convertFromStringArray(pv.get(),offset,length,from,fromOffset);
}
size_t fromString(PVScalarArrayPtr const &pv, StringArray const & from, size_t fromStartIndex = 0)
{
int processed = 0;
size_t fromValueCount = from.size();
// first get count
if (fromStartIndex >= fromValueCount)
throw std::runtime_error("not enough values, stopped at field " + pv->getFieldName());
size_t count;
istringstream iss(from[fromStartIndex]);
iss >> count;
// not fail and entire value is parsed (e.g. to detect 1.2 parsing to 1)
if (iss.fail() || !iss.eof())
throw runtime_error("failed to parse element count value (uint) of field '" + pv->getFieldName() + "' from string value '" + from[fromStartIndex] + "'");
fromStartIndex++;
processed++;
if ((fromStartIndex+count) > fromValueCount)
{
throw runtime_error("not enough array values for field " + pv->getFieldName());
}
StringArray valueList;
valueList.reserve(count);
for(size_t i=0; i<count; i++)
valueList.push_back(from[fromStartIndex++]);
processed += count;
size_t num = fromStringArray(pv,0,count,valueList,0);
pv->setLength(num);
return processed;
}
size_t fromString(PVStructurePtr const & pvStructure, StringArray const & from, size_t fromStartIndex = 0)
{
size_t processed = 0;
size_t fromValueCount = from.size();
PVFieldPtrArray const & fieldsData = pvStructure->getPVFields();
if (fieldsData.size() != 0) {
size_t length = pvStructure->getStructure()->getNumberFields();
for(size_t i = 0; i < length; i++) {
PVFieldPtr fieldField = fieldsData[i];
Type type = fieldField->getField()->getType();
if(type==structure) {
PVStructurePtr pv = static_pointer_cast<PVStructure>(fieldField);
size_t count = fromString(pv, from, fromStartIndex);
processed += count;
fromStartIndex += count;
}
else if(type==scalarArray) {
PVScalarArrayPtr pv = static_pointer_cast<PVScalarArray>(fieldField);
size_t count = fromString(pv, from, fromStartIndex);
processed += count;
fromStartIndex += count;
}
else if(type==scalar) {
if (fromStartIndex >= fromValueCount)
throw std::runtime_error("not enough values, stopped at field " + fieldField->getFieldName());
PVScalarPtr pv = static_pointer_cast<PVScalar>(fieldField);
fromString(pv, from[fromStartIndex++]);
processed++;
}
else {
// structureArray not supported
String message("fromString unsupported fieldType ");
TypeFunc::toString(&message,type);
throw std::logic_error(message);
}
}
}
return processed;
}
#define DEFAULT_TIMEOUT 3.0
#define DEFAULT_REQUEST "field(value)"
double timeOut = DEFAULT_TIMEOUT;
string request(DEFAULT_REQUEST);
enum PrintMode { ValueOnlyMode, StructureMode, TerseMode };
PrintMode mode = ValueOnlyMode;
char fieldSeparator = ' ';
void usage (void)
{
fprintf (stderr, "\nUsage: pvput [options] <PV name> <values>...\n\n"
" -h: Help: Print this message\n"
"options:\n"
" -r <pv request>: Request, specifies what fields to return and options, default is '%s'\n"
" -w <sec>: Wait time, specifies timeout, default is %f second(s)\n"
" -t: Terse mode - print only successfully written value, without names\n"
" -d: Enable debug output\n"
" -F <ofs>: Use <ofs> as an alternate output field separator"
"\nExample: pvput double01 1.234\n\n"
, DEFAULT_REQUEST, DEFAULT_TIMEOUT);
}
void printValue(String const & channelName, PVStructure::shared_pointer const & pv)
{
if (mode == ValueOnlyMode)
{
PVField::shared_pointer value = pv->getSubField("value");
if (value.get() == 0)
{
std::cerr << "no 'value' field" << std::endl;
std::cout << std::endl << *(pv.get()) << std::endl << std::endl;
}
else
{
Type valueType = value->getField()->getType();
if (valueType != scalar && valueType != scalarArray)
{
// switch to structure mode
std::cout << channelName << std::endl << *(pv.get()) << std::endl << std::endl;
}
else
{
if (fieldSeparator == ' ' && value->getField()->getType() == scalar)
std::cout << std::setw(30) << std::left << channelName;
else
std::cout << channelName;
std::cout << fieldSeparator;
terse(std::cout, value) << std::endl;
}
}
}
else if (mode == TerseMode)
terseStructure(std::cout, pv) << std::endl;
else
std::cout << std::endl << *(pv.get()) << std::endl << std::endl;
}
struct AtomicBoolean_null_deleter
{
void operator()(void const *) const {}
};
// standard performance on set/clear, use of tr1::shared_ptr lock-free counter for get
// alternative is to use boost::atomic
class AtomicBoolean
{
public:
AtomicBoolean() : counter(static_cast<void*>(0), AtomicBoolean_null_deleter()) {};
void set() { mutex.lock(); setp = counter; mutex.unlock(); }
void clear() { mutex.lock(); setp.reset(); mutex.unlock(); }
bool get() const { return counter.use_count() == 2; }
private:
std::tr1::shared_ptr<void> counter;
std::tr1::shared_ptr<void> setp;
epics::pvData::Mutex mutex;
};
class ChannelPutRequesterImpl : public ChannelPutRequester
{
private:
ChannelPut::shared_pointer m_channelPut;
PVStructure::shared_pointer m_pvStructure;
BitSet::shared_pointer m_bitSet;
Mutex m_pointerMutex;
Mutex m_eventMutex;
auto_ptr<Event> m_event;
String m_channelName;
AtomicBoolean m_done;
public:
ChannelPutRequesterImpl(String channelName) : m_channelName(channelName)
{
resetEvent();
}
virtual String getRequesterName()
{
return "ChannelPutRequesterImpl";
}
virtual void message(String const & message, MessageType messageType)
{
std::cerr << "[" << getRequesterName() << "] message(" << message << ", " << getMessageTypeName(messageType) << ")" << std::endl;
}
virtual void channelPutConnect(const epics::pvData::Status& status,
ChannelPut::shared_pointer const & channelPut,
epics::pvData::PVStructure::shared_pointer const & pvStructure,
epics::pvData::BitSet::shared_pointer const & bitSet)
{
if (status.isSuccess())
{
// show warning
if (!status.isOK())
{
std::cerr << "[" << m_channelName << "] channel put create: " << status.toString() << std::endl;
}
// assign smart pointers
{
Lock lock(m_pointerMutex);
m_channelPut = channelPut;
m_pvStructure = pvStructure;
m_bitSet = bitSet;
}
// we always put all
m_bitSet->set(0);
// get immediately old value
channelPut->get();
}
else
{
std::cerr << "[" << m_channelName << "] failed to create channel put: " << status.toString() << std::endl;
m_event->signal();
}
}
virtual void getDone(const epics::pvData::Status& status)
{
if (status.isSuccess())
{
// show warning
if (!status.isOK())
{
std::cerr << "[" << m_channelName << "] channel get: " << status.toString() << std::endl;
}
m_done.set();
/*
// access smart pointers
// do not print old value in terseMode
if (!m_supressGetValue.get())
{
Lock lock(m_pointerMutex);
{
// needed since we access the data
ScopedLock dataLock(m_channelPut);
printValue(m_channelName, m_pvStructure);
}
}
*/
}
else
{
std::cerr << "[" << m_channelName << "] failed to get: " << status.toString() << std::endl;
}
m_event->signal();
}
virtual void putDone(const epics::pvData::Status& status)
{
if (status.isSuccess())
{
// show warning
if (!status.isOK())
{
std::cerr << "[" << m_channelName << "] channel put: " << status.toString() << std::endl;
}
m_done.set();
}
else
{
std::cerr << "[" << m_channelName << "] failed to get: " << status.toString() << std::endl;
}
m_event->signal();
}
PVStructure::shared_pointer getStructure()
{
Lock lock(m_pointerMutex);
return m_pvStructure;
}
void resetEvent()
{
Lock lock(m_eventMutex);
m_event.reset(new Event());
m_done.clear();
}
bool waitUntilDone(double timeOut)
{
Event* event;
{
Lock lock(m_eventMutex);
event = m_event.get();
}
bool signaled = event->wait(timeOut);
if (!signaled)
{
std::cerr << "[" << m_channelName << "] timeout" << std::endl;
return false;
}
return m_done.get();
}
};
/*+**************************************************************************
*
* Function: main
*
* Description: pvput main()
* Evaluate command line options, set up CA, connect the
* channels, print the data as requested
*
* Arg(s) In: [options] <pv-name> <values>...
*
* Arg(s) Out: none
*
* Return(s): Standard return code (0=success, 1=error)
*
**************************************************************************-*/
int main (int argc, char *argv[])
{
int opt; /* getopt() current option */
bool debug = false;
setvbuf(stdout,NULL,_IOLBF,BUFSIZ); /* Set stdout to line buffering */
while ((opt = getopt(argc, argv, ":hr:w:tdF:")) != -1) {
switch (opt) {
case 'h': /* Print usage */
usage();
return 0;
case 'w': /* Set CA timeout value */
if(epicsScanDouble(optarg, &timeOut) != 1)
{
fprintf(stderr, "'%s' is not a valid timeout value "
"- ignored. ('pvput -h' for help.)\n", optarg);
timeOut = DEFAULT_TIMEOUT;
}
break;
case 'r': /* Set CA timeout value */
request = optarg;
// do not override terse mode
if (mode == ValueOnlyMode) mode = StructureMode;
break;
case 't': /* Terse mode */
mode = TerseMode;
break;
case 'd': /* Debug log level */
debug = true;
break;
case 'F': /* Store this for output formatting */
fieldSeparator = (char) *optarg;
break;
case '?':
fprintf(stderr,
"Unrecognized option: '-%c'. ('pvput -h' for help.)\n",
optopt);
return 1;
case ':':
fprintf(stderr,
"Option '-%c' requires an argument. ('pvput -h' for help.)\n",
optopt);
return 1;
default :
usage();
return 1;
}
}
if (argc <= optind)
{
fprintf(stderr, "No pv name specified. ('pvput -h' for help.)\n");
return 1;
}
string pvName = argv[optind++];
int nVals = argc - optind; /* Remaining arg list are PV names */
if (nVals < 1)
{
fprintf(stderr, "No value(s) specified. ('pvput -h' for help.)\n");
return 1;
}
vector<string> values; /* Array of values */
for (int n = 0; optind < argc; n++, optind++)
values.push_back(argv[optind]); /* Copy values from command line */
Requester::shared_pointer requester(new RequesterImpl("pvput"));
PVStructure::shared_pointer pvRequest = getCreateRequest()->createRequest(request, requester);
if(pvRequest.get()==NULL) {
fprintf(stderr, "failed to parse request string\n");
return 1;
}
SET_LOG_LEVEL(debug ? logLevelDebug : logLevelError);
std::cout << std::boolalpha;
terseSeparator(fieldSeparator);
ClientFactory::start();
ChannelProvider::shared_pointer provider = getChannelAccess()->getProvider("pvAccess");
bool allOK = true;
try
{
do
{
// first connect
shared_ptr<ChannelRequesterImpl> channelRequesterImpl(new ChannelRequesterImpl());
Channel::shared_pointer channel = provider->createChannel(pvName, channelRequesterImpl);
if (channelRequesterImpl->waitUntilConnected(timeOut))
{
shared_ptr<ChannelPutRequesterImpl> putRequesterImpl(new ChannelPutRequesterImpl(channel->getChannelName()));
if (mode != TerseMode)
std::cout << "Old : ";
ChannelPut::shared_pointer channelPut = channel->createChannelPut(putRequesterImpl, pvRequest);
allOK &= putRequesterImpl->waitUntilDone(timeOut);
if (allOK)
{
if (mode != TerseMode)
printValue(pvName, putRequesterImpl->getStructure());
// convert value from string
// since we access structure from another thread, we need to lock
{
ScopedLock lock(channelPut);
fromString(putRequesterImpl->getStructure(), values);
}
// we do a put
putRequesterImpl->resetEvent();
channelPut->put(false);
allOK &= putRequesterImpl->waitUntilDone(timeOut);
if (allOK)
{
// and than a get again to verify put
if (mode != TerseMode) std::cout << "New : ";
putRequesterImpl->resetEvent();
channelPut->get();
allOK &= putRequesterImpl->waitUntilDone(timeOut);
if (allOK)
printValue(pvName, putRequesterImpl->getStructure());
}
}
}
else
{
allOK = false;
channel->destroy();
std::cerr << "[" << channel->getChannelName() << "] connection timeout" << std::endl;
break;
}
}
while (false);
} catch (std::out_of_range& oor) {
allOK = false;
std::cerr << "parse error: not enough of values" << std::endl;
} catch (std::exception& ex) {
allOK = false;
std::cerr << ex.what() << std::endl;
} catch (...) {
allOK = false;
std::cerr << "unknown exception caught" << std::endl;
}
ClientFactory::stop();
return allOK ? 0 : 1;
}
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