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eget/pvget/pvput: -f option implemented

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This commit is contained in:
Matej Sekoranja
2014-01-15 10:59:18 +01:00
parent 6aeaadd240
commit 8a2d0b4171
3 changed files with 158 additions and 37 deletions
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64
testApp/remote/pvget.cpp
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@@ -11,6 +11,8 @@
#include <vector>
#include <string>
#include <istream>
#include <fstream>
#include <sstream>
#include <pv/event.h>
@@ -53,8 +55,9 @@ void usage (void)
" -q: Quiet mode, print only error messages\n"
" -d: Enable debug output\n"
" -F <ofs>: Use <ofs> as an alternate output field separator\n"
" -c: Wait for clean shutdown and report used instance count (for expert users)"
"\nExample: pvget double01\n\n"
" -f <input file>: Use <input file> as an input that provides a list PV name(s) to be read, use '-' for stdin\n"
" -c: Wait for clean shutdown and report used instance count (for expert users)\n"
"\nexample: pvget double01\n\n"
, DEFAULT_REQUEST, DEFAULT_TIMEOUT);
}
@@ -349,9 +352,13 @@ int main (int argc, char *argv[])
bool monitor = false;
bool quiet = false;
istream* inputStream = 0;
ifstream ifs;
bool fromStream = false;
setvbuf(stdout,NULL,_IOLBF,BUFSIZ); /* Set stdout to line buffering */
while ((opt = getopt(argc, argv, ":hr:w:tmqdcF:")) != -1) {
while ((opt = getopt(argc, argv, ":hr:w:tmqdcF:f:")) != -1) {
switch (opt) {
case 'h': /* Print usage */
usage();
@@ -387,6 +394,28 @@ int main (int argc, char *argv[])
case 'F': /* Store this for output formatting */
fieldSeparator = (char) *optarg;
break;
case 'f': /* Use input stream as input */
{
string fileName = optarg;
if (fileName == "-")
inputStream = &cin;
else
{
ifs.open(fileName.c_str(), ifstream::in);
if (!ifs)
{
fprintf(stderr,
"Failed to open file '%s'.\n",
fileName.c_str());
return 1;
}
else
inputStream = &ifs;
}
fromStream = true;
break;
}
case '?':
fprintf(stderr,
"Unrecognized option: '-%c'. ('pvget -h' for help.)\n",
@@ -404,15 +433,38 @@ int main (int argc, char *argv[])
}
int nPvs = argc - optind; /* Remaining arg list are PV names */
if (nPvs < 1)
if (nPvs > 0)
{
// do not allow reading file and command line specified pvs
fromStream = false;
}
else if (nPvs < 1 && !fromStream)
{
fprintf(stderr, "No pv name(s) specified. ('pvget -h' for help.)\n");
return 1;
}
vector<string> pvs; /* Array of PV structures */
for (int n = 0; optind < argc; n++, optind++)
pvs.push_back(argv[optind]); /* Copy PV names from command line */
if (fromStream)
{
string cn;
while (true)
{
*inputStream >> cn;
if (!(*inputStream))
break;
pvs.push_back(cn);
}
// set nPvs
nPvs = pvs.size();
}
else
{
// copy PV names from command line
for (int n = 0; optind < argc; n++, optind++)
pvs.push_back(argv[optind]);
}
SET_LOG_LEVEL(debug ? logLevelDebug : logLevelError);