static size_t auto_read_test(const stdString &index_name, const stdString &channel_name,
const epicsTime *start = 0, const epicsTime *end = 0)
{
stdString text;
size_t num = 0;
try
{
AutoIndex index;
index.open(index_name);
RawDataReader reader(index);
const RawValue::Data *value = reader.find(channel_name, start);
while (value &&
(end==0 || RawValue::getTime(value) < *end))
{
++num;
LOG_ASSERT(value == reader.get());
reader.toString(text);
printf(" %s\n", text.c_str());
value = reader.next();
}
}
catch (GenericException &e)
{
printf("Exception:\n%s\n", e.what());
return 0;
}
return num;
}
int main(int argc, const char *argv[])
{
try
{
CmdArgParser parser(argc, argv);
parser.setHeader("Archive Export version " ARCH_VERSION_TXT ", "
EPICS_VERSION_STRING
", built " __DATE__ ", " __TIME__ "\n\n");
parser.setArgumentsInfo("<index file> {channel}");
CmdArgFlag be_verbose (parser, "verbose", "Verbose mode");
CmdArgString pattern (parser, "match", "<reg. exp.>",
"Channel name pattern");
CmdArgFlag do_list (parser, "list", "List all channels");
CmdArgFlag do_info (parser, "info", "Time-range info on channels");
CmdArgString start_time (parser, "start", "<time>",
"Format: \"mm/dd/yyyy[ hh:mm:ss[.nano-secs]]\"");
CmdArgString end_time (parser, "end", "<time>", "(exclusive)");
CmdArgFlag status_text(parser, "text",
"Include text column for status/severity (default)");
CmdArgFlag no_status_text(parser, "no_text",
"Exclude text column for status/severity");
CmdArgString output (parser,
"output", "<file>", "Output to file");
CmdArgDouble plotbin (parser,
"plotbin", "<seconds>",
"Bin the raw data for plotting");
CmdArgDouble average (parser,
"average", "<seconds>", "average values");
CmdArgDouble linear (parser,
"linear", "<seconds>",
"Interpolate values linearly");
CmdArgString format_txt (parser,
"format", "<decimal|engineering|exponential>",
"Use specific format for numbers");
CmdArgInt prec (parser,
"precision", "<int>", "Precision of numbers");
CmdArgFlag GNUPlot (parser,
"gnuplot", "Generate GNUPlot command file");
CmdArgFlag image (parser,
"Gnuplot", "Generate GNUPlot output for Image");
CmdArgFlag raw_time (parser, "raw_time",
"Include columns for EPICS time stamp");
CmdArgFlag millisecs (parser, "millisecs",
"Truncate time to millisecs in spreadsheet dump.");
// defaults
prec.set(-1);
if (! parser.parse())
return -1;
if (parser.getArguments().size() < 1)
{
parser.usage();
return -1;
}
precision = prec;
if (!strncmp(format_txt.get().c_str(), "d", 1))
format = RawValue::DECIMAL;
else if (!strncmp(format_txt.get().c_str(), "en", 2))
format = RawValue::ENGINEERING;
else if (!strncmp(format_txt.get().c_str(), "ex", 2))
format = RawValue::EXPONENTIAL;
else if (format_txt.get().length() > 0)
{
fprintf(stderr, "Unknown format string '%s'\n", format_txt.get().c_str());
return -1;
}
verbose = be_verbose;
only_millisecs = millisecs;
// Start/end time
AutoPtr<epicsTime> start, end;
stdString txt;
if (start_time.get().length() > 0)
{
start = new epicsTime;
if (!string2epicsTime(start_time.get(), *start))
{
fprintf(stderr, "Parse error for start time '%s'\n",
start_time.get().c_str());
start = 0;
parser.usage();
return -1;
}
if (verbose)
printf("Using start time %s\n", epicsTimeTxt(*start, txt));
}
if (end_time.get().length() > 0)
{
end = new epicsTime();
if (!string2epicsTime(end_time.get(), *end))
{
fprintf(stderr, "Parse error for end time '%s'\n",
end_time.get().c_str());
end = 0;
parser.usage();
return -1;
}
if (verbose)
printf("Using end time %s\n", epicsTimeTxt(*end, txt));
}
if (start && end && *start > *end)
{ // Could simply swap start and end, but assume the user is
// confused and should rethink the request.
fprintf(stderr, "start time is greater than end time.\n");
return -1;
}
// Index name
stdString index_name = parser.getArgument(0);
// Channel names
stdVector<stdString> names;
if (parser.getArguments().size() > 1)
{
if (! pattern.get().empty())
{
fputs("Pattern from '-m' switch is ignored\n"
"since a list of channels was also provided.\n", stderr);
}
// first argument was directory file name, skip that:
for (size_t i=1; i<parser.getArguments().size(); ++i)
names.push_back(parser.getArgument(i));
}
if ((GNUPlot || image) && output.get().length() == 0)
{
fprintf(stderr, "The -gnuplot/Gnuplot options require "
"an -output file\n");
return -1;
}
// How?
ReaderFactory::How how = ReaderFactory::Raw;
double delta = 0.0;
if (double(plotbin) > 0.0)
{
how = ReaderFactory::Plotbin;
delta = double(plotbin);
}
else if (double(average) > 0.0)
{
how = ReaderFactory::Average;
delta = double(average);
}
else if (double(linear) > 0.0)
{
how = ReaderFactory::Linear;
delta = double(linear);
}
// Open index
AutoIndex index;
index.open(index_name.c_str());
if (verbose)
printf("Opened index '%s'\n", index_name.c_str());
if (do_info && names.size()<=0 && pattern.get().length()<=0)
do_list.set(); // otherwise it'd be a NOP
if (names.size() <= 0 &&
(do_list || pattern.get().length() > 0))
get_names_for_pattern(index, names, pattern);
if (do_info)
list_channels(index, names, true);
else if (do_list)
list_channels(index, names, false);
else if (names.size() > 0)
{
if (GNUPlot || image)
dump_gnuplot(index, names, start, end,
how, delta, output, image);
else
dump_spreadsheet(index, names, start, end,
raw_time, !no_status_text, how, delta,
output);
}
index.close();
}
catch (GenericException &e)
{
fprintf(stderr, "Error:\n%s\n", e.what());
return -1;
}
return 0;
}
