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chunks: add --naming-convention option

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Refs: #5109
Change-Id: I98170dd362663900900e9f792ffb5340ad96fe3a
This commit is contained in:
Davide Pesavento committed 2021-03-12 00:42:03 -05:00
1 parent a420e97fed
commit f8a14d88cb
5 files changed
+167 -111
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manpages/ndnputchunks.rst
+30 -17
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@@ -4,16 +4,18 @@ ndnputchunks
Synopsis
--------
**ndnputchunks** [options] *name*
**ndnputchunks** [*option*]... *name*
Description
-----------
:program:`ndnputchunks` is a producer program that reads a file from the standard input, and makes it available as NDN Data segments.
:program:`ndnputchunks` is a producer program that reads a file from the standard input
and makes it available as NDN Data segments.
It appends version and segment number components to the specified name, according to the `NDN naming conventions`_.
Version and segment number components are appended to the specified *name* as needed,
according to the `NDN naming conventions`_.
.. _NDN naming conventions: http://named-data.net/publications/techreports/ndn-tr-22-ndn-memo-naming-conventions/
.. _NDN naming conventions: https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/
Options
-------
@@ -26,19 +28,24 @@ Options
FreshnessPeriod of the published Data packets, in milliseconds. Default = 10000 [ms].
.. option:: -p, --print-data-version
Print version of the published Data to the standard output.
.. option:: -s, --size BYTES
Maximum chunk size, in bytes. Default = 4400 [bytes].
.. option:: -N, --naming-convention CONVENTION
Select the convention used to encode NDN name components. The available choices are:
* ``marker`` (shorthand: ``m`` or ``1``) for the old marker-based encoding;
* ``typed`` (shorthand: ``t`` or ``2``) for the new encoding based on typed name components.
If this option is not specified, the ndn-cxx library's default is used.
.. option:: -S, --signing-info STRING
Specify the parameters used to sign the Data packet. If omitted, the default key of
the default identity is used. The general syntax is ``<scheme>:<name>``. The most
common supported combinations are as follows:
Specify the parameters used to sign the Data packets. If omitted, the default key
of the default identity is used. The general syntax is ``<scheme>:<name>``. The
most common supported combinations are as follows:
* Sign with the default certificate of the default key of an identity: ``id:/<my-identity>``.
* Sign with the default certificate of a specific key: ``key:/<my-identity>/ksk-1``.
@@ -47,6 +54,10 @@ Options
is only a hash function, not a real signature, but it can significantly speed up
packet signing operations.
.. option:: -p, --print-data-version
Print version of the published Data to the standard output.
.. option:: -q, --quiet
Turn off all non-error output.
@@ -62,7 +73,7 @@ Options
Examples
--------
The following command will publish the text of the GPL-3 license under the `/localhost/demo/gpl3`
The following command will publish the text of the GPL-3 license under the ``/localhost/demo/gpl3``
prefix::
ndnputchunks /localhost/demo/gpl3 < /usr/share/common-licenses/GPL-3
@@ -75,10 +86,12 @@ This command will print the published version to the standard output.
To publish Data with a specific version, you must append a version component to the end of the
prefix. The version component must follow the aforementioned NDN naming conventions.
For example, the following command will publish the version `%FD%00%00%01Qc%CF%17v` of the
`/localhost/demo/gpl3` prefix::
For example, the following command will publish version 1615519151142 of ``/localhost/demo/gpl3``
using the "typed" naming convention::
ndnputchunks /localhost/demo/gpl3/%FD%00%00%01Qc%CF%17v < /usr/share/common-licenses/GPL-3
ndnputchunks -Nt /localhost/demo/gpl3/v=1615519151142 < /usr/share/common-licenses/GPL-3
If the version component is not valid, a new well-formed version will be generated and appended
to the supplied NDN name.
See Also
--------
.. target-notes::
tools/chunks/catchunks/consumer.cpp
+3 -4
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@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2016-2020, Regents of the University of California,
* Copyright (c) 2016-2021, Regents of the University of California,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University.
*
@@ -33,7 +33,6 @@ namespace chunks {
Consumer::Consumer(security::Validator& validator, std::ostream& os)
: m_validator(validator)
, m_outputStream(os)
, m_nextToPrint(0)
{
}
@@ -47,8 +46,8 @@ Consumer::run(unique_ptr<DiscoverVersion> discover, unique_ptr<PipelineInterests
m_discover->onDiscoverySuccess.connect([this] (const Name& versionedName) {
m_pipeline->run(versionedName,
[this] (const Data& data) { handleData(data); },
[] (const std::string& msg) { NDN_THROW(std::runtime_error(msg)); });
[this] (const Data& data) { handleData(data); },
[] (const std::string& msg) { NDN_THROW(std::runtime_error(msg)); });
});
m_discover->onDiscoveryFailure.connect([] (const std::string& msg) {
NDN_THROW(std::runtime_error(msg));
tools/chunks/catchunks/consumer.hpp
+1 -1
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@@ -94,7 +94,7 @@ private:
std::ostream& m_outputStream;
unique_ptr<DiscoverVersion> m_discover;
unique_ptr<PipelineInterests> m_pipeline;
uint64_t m_nextToPrint;
uint64_t m_nextToPrint = 0;
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
std::map<uint64_t, shared_ptr<const Data>> m_bufferedData;
tools/chunks/catchunks/main.cpp
+96 -65
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@@ -39,6 +39,7 @@
#include <fstream>
#include <ndn-cxx/security/validator-null.hpp>
#include <ndn-cxx/util/rtt-estimator.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/parsers.hpp>
@@ -47,31 +48,34 @@
namespace ndn {
namespace chunks {
namespace po = boost::program_options;
static int
main(int argc, char* argv[])
{
std::string programName(argv[0]);
const std::string programName(argv[0]);
Options options;
std::string uri, pipelineType("cubic"), cwndPath, rttPath;
time::milliseconds::rep minRto(200), maxRto(60000);
double rtoAlpha(0.125), rtoBeta(0.25);
int rtoK(8);
std::string prefix, nameConv, pipelineType("cubic");
std::string cwndPath, rttPath;
auto rttEstOptions = make_shared<util::RttEstimator::Options>();
rttEstOptions->k = 8; // increased from the ndn-cxx default of 4
namespace po = boost::program_options;
po::options_description basicDesc("Basic Options");
basicDesc.add_options()
("help,h", "print this help message and exit")
("pipeline-type,p", po::value<std::string>(&pipelineType)->default_value(pipelineType),
"type of Interest pipeline to use; valid values are: 'fixed', 'aimd', 'cubic'")
("fresh,f", po::bool_switch(&options.mustBeFresh),
"only return fresh content (set MustBeFresh on all outgoing Interests)")
("lifetime,l", po::value<time::milliseconds::rep>()->default_value(options.interestLifetime.count()),
"lifetime of expressed Interests, in milliseconds")
("retries,r", po::value<int>(&options.maxRetriesOnTimeoutOrNack)->default_value(options.maxRetriesOnTimeoutOrNack),
"maximum number of retries in case of Nack or timeout (-1 = no limit)")
("pipeline-type,p", po::value<std::string>(&pipelineType)->default_value(pipelineType),
"type of Interest pipeline to use; valid values are: 'fixed', 'aimd', 'cubic'")
("no-version-discovery,D", po::bool_switch(&options.disableVersionDiscovery),
"skip version discovery, even if the supplied name does not end with a version component")
"skip version discovery even if the name does not end with a version component")
("naming-convention,N", po::value<std::string>(&nameConv),
"encoding convention to use for name components, either 'marker' or 'typed'")
("quiet,q", po::bool_switch(&options.isQuiet), "suppress all diagnostic output, except fatal errors")
("verbose,v", po::bool_switch(&options.isVerbose), "turn on verbose output (per segment information")
("version,V", "print program version and exit")
@@ -85,36 +89,42 @@ main(int argc, char* argv[])
po::options_description adaptivePipeDesc("Adaptive pipeline options (AIMD & CUBIC)");
adaptivePipeDesc.add_options()
("ignore-marks", po::bool_switch(&options.ignoreCongMarks),
"do not reduce the window after receiving a congestion mark")
("disable-cwa", po::bool_switch(&options.disableCwa),
"disable Conservative Window Adaptation, i.e., reduce the window on "
"each timeout or congestion mark instead of at most once per RTT")
("reset-cwnd-to-init", po::bool_switch(&options.resetCwndToInit),
"after a timeout or congestion mark, reset the window "
"to the initial value instead of resetting to ssthresh")
("ignore-marks", po::bool_switch(&options.ignoreCongMarks),
"do not reduce the window after receiving a congestion mark")
("disable-cwa", po::bool_switch(&options.disableCwa),
"disable Conservative Window Adaptation (reduce the window "
"on each congestion event instead of at most once per RTT)")
("init-cwnd", po::value<double>(&options.initCwnd)->default_value(options.initCwnd),
"initial congestion window in segments")
("init-ssthresh", po::value<double>(&options.initSsthresh),
"initial slow start threshold in segments (defaults to infinity)")
("aimd-step", po::value<double>(&options.aiStep)->default_value(options.aiStep),
"additive-increase step")
("aimd-beta", po::value<double>(&options.mdCoef)->default_value(options.mdCoef),
"multiplicative decrease factor (AIMD)")
("rto-alpha", po::value<double>(&rtoAlpha)->default_value(rtoAlpha),
("rto-alpha", po::value<double>(&rttEstOptions->alpha)->default_value(rttEstOptions->alpha),
"alpha value for RTO calculation")
("rto-beta", po::value<double>(&rtoBeta)->default_value(rtoBeta),
("rto-beta", po::value<double>(&rttEstOptions->beta)->default_value(rttEstOptions->beta),
"beta value for RTO calculation")
("rto-k", po::value<int>(&rtoK)->default_value(rtoK),
("rto-k", po::value<int>(&rttEstOptions->k)->default_value(rttEstOptions->k),
"k value for RTO calculation")
("min-rto", po::value<time::milliseconds::rep>(&minRto)->default_value(minRto),
("min-rto", po::value<time::milliseconds::rep>()->default_value(
time::duration_cast<time::milliseconds>(rttEstOptions->minRto).count()),
"minimum RTO value, in milliseconds")
("max-rto", po::value<time::milliseconds::rep>(&maxRto)->default_value(maxRto),
("max-rto", po::value<time::milliseconds::rep>()->default_value(
time::duration_cast<time::milliseconds>(rttEstOptions->maxRto).count()),
"maximum RTO value, in milliseconds")
("log-cwnd", po::value<std::string>(&cwndPath), "log file for congestion window stats")
("log-rtt", po::value<std::string>(&rttPath), "log file for round-trip time stats")
;
po::options_description aimdPipeDesc("AIMD pipeline options");
aimdPipeDesc.add_options()
("aimd-step", po::value<double>(&options.aiStep)->default_value(options.aiStep),
"additive increase step")
("aimd-beta", po::value<double>(&options.mdCoef)->default_value(options.mdCoef),
"multiplicative decrease factor")
("reset-cwnd-to-init", po::bool_switch(&options.resetCwndToInit),
"after a congestion event, reset the window to the "
"initial value instead of resetting to ssthresh")
;
po::options_description cubicPipeDesc("CUBIC pipeline options");
cubicPipeDesc.add_options()
("cubic-beta", po::value<double>(&options.cubicBeta), "window decrease factor (defaults to 0.7)")
@@ -125,17 +135,18 @@ main(int argc, char* argv[])
visibleDesc.add(basicDesc)
.add(fixedPipeDesc)
.add(adaptivePipeDesc)
.add(aimdPipeDesc)
.add(cubicPipeDesc);
po::options_description hiddenDesc;
hiddenDesc.add_options()
("ndn-name,n", po::value<std::string>(&uri), "NDN name of the requested content");
("name", po::value<std::string>(&prefix), "NDN name of the requested content");
po::options_description optDesc;
optDesc.add(visibleDesc).add(hiddenDesc);
po::positional_options_description p;
p.add("ndn-name", -1);
p.add("name", -1);
po::variables_map vm;
try {
@@ -143,55 +154,83 @@ main(int argc, char* argv[])
po::notify(vm);
}
catch (const po::error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 2;
}
catch (const boost::bad_any_cast& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 2;
}
if (vm.count("help") > 0) {
std::cout << "Usage: " << programName << " [options] ndn:/name" << std::endl;
std::cout << "Usage: " << programName << " [options] ndn:/name\n";
std::cout << visibleDesc;
return 0;
}
if (vm.count("version") > 0) {
std::cout << "ndncatchunks " << tools::VERSION << std::endl;
std::cout << "ndncatchunks " << tools::VERSION << "\n";
return 0;
}
if (vm.count("ndn-name") == 0) {
std::cerr << "Usage: " << programName << " [options] ndn:/name" << std::endl;
if (prefix.empty()) {
std::cerr << "Usage: " << programName << " [options] ndn:/name\n";
std::cerr << visibleDesc;
return 2;
}
if (options.maxPipelineSize < 1 || options.maxPipelineSize > 1024) {
std::cerr << "ERROR: pipeline size must be between 1 and 1024" << std::endl;
return 2;
if (nameConv == "marker" || nameConv == "m" || nameConv == "1") {
name::setConventionEncoding(name::Convention::MARKER);
}
if (options.maxRetriesOnTimeoutOrNack < -1 || options.maxRetriesOnTimeoutOrNack > 1024) {
std::cerr << "ERROR: retries value must be between -1 and 1024" << std::endl;
else if (nameConv == "typed" || nameConv == "t" || nameConv == "2") {
name::setConventionEncoding(name::Convention::TYPED);
}
else if (!nameConv.empty()) {
std::cerr << "ERROR: '" << nameConv << "' is not a valid naming convention\n";
return 2;
}
options.interestLifetime = time::milliseconds(vm["lifetime"].as<time::milliseconds::rep>());
if (options.interestLifetime < 0_ms) {
std::cerr << "ERROR: lifetime cannot be negative" << std::endl;
std::cerr << "ERROR: --lifetime cannot be negative\n";
return 2;
}
if (options.maxRetriesOnTimeoutOrNack < -1 || options.maxRetriesOnTimeoutOrNack > 1024) {
std::cerr << "ERROR: --retries must be between -1 and 1024\n";
return 2;
}
if (options.isQuiet && options.isVerbose) {
std::cerr << "ERROR: cannot be quiet and verbose at the same time" << std::endl;
std::cerr << "ERROR: cannot be quiet and verbose at the same time\n";
return 2;
}
if (options.maxPipelineSize < 1 || options.maxPipelineSize > 1024) {
std::cerr << "ERROR: --pipeline-size must be between 1 and 1024\n";
return 2;
}
if (rttEstOptions->k < 0) {
std::cerr << "ERROR: --rto-k cannot be negative\n";
return 2;
}
rttEstOptions->minRto = time::milliseconds(vm["min-rto"].as<time::milliseconds::rep>());
if (rttEstOptions->minRto < 0_ms) {
std::cerr << "ERROR: --min-rto cannot be negative\n";
return 2;
}
rttEstOptions->maxRto = time::milliseconds(vm["max-rto"].as<time::milliseconds::rep>());
if (rttEstOptions->maxRto < rttEstOptions->minRto) {
std::cerr << "ERROR: --max-rto cannot be smaller than --min-rto\n";
return 2;
}
try {
Face face;
auto discover = make_unique<DiscoverVersion>(face, Name(uri), options);
auto discover = make_unique<DiscoverVersion>(face, Name(prefix), options);
unique_ptr<PipelineInterests> pipeline;
unique_ptr<StatisticsCollector> statsCollector;
unique_ptr<RttEstimatorWithStats> rttEstimator;
@@ -202,26 +241,18 @@ main(int argc, char* argv[])
pipeline = make_unique<PipelineInterestsFixed>(face, options);
}
else if (pipelineType == "aimd" || pipelineType == "cubic") {
auto optionsRttEst = make_shared<RttEstimatorWithStats::Options>();
optionsRttEst->alpha = rtoAlpha;
optionsRttEst->beta = rtoBeta;
optionsRttEst->k = rtoK;
optionsRttEst->initialRto = 1_s;
optionsRttEst->minRto = time::milliseconds(minRto);
optionsRttEst->maxRto = time::milliseconds(maxRto);
optionsRttEst->rtoBackoffMultiplier = 2;
if (options.isVerbose) {
using namespace ndn::time;
std::cerr << "RTT estimator parameters:\n"
<< "\tAlpha = " << optionsRttEst->alpha << "\n"
<< "\tBeta = " << optionsRttEst->beta << "\n"
<< "\tK = " << optionsRttEst->k << "\n"
<< "\tInitial RTO = " << duration_cast<milliseconds>(optionsRttEst->initialRto) << "\n"
<< "\tMin RTO = " << duration_cast<milliseconds>(optionsRttEst->minRto) << "\n"
<< "\tMax RTO = " << duration_cast<milliseconds>(optionsRttEst->maxRto) << "\n"
<< "\tBackoff multiplier = " << optionsRttEst->rtoBackoffMultiplier << "\n";
<< "\tAlpha = " << rttEstOptions->alpha << "\n"
<< "\tBeta = " << rttEstOptions->beta << "\n"
<< "\tK = " << rttEstOptions->k << "\n"
<< "\tInitial RTO = " << duration_cast<milliseconds>(rttEstOptions->initialRto) << "\n"
<< "\tMin RTO = " << duration_cast<milliseconds>(rttEstOptions->minRto) << "\n"
<< "\tMax RTO = " << duration_cast<milliseconds>(rttEstOptions->maxRto) << "\n"
<< "\tBackoff multiplier = " << rttEstOptions->rtoBackoffMultiplier << "\n";
}
rttEstimator = make_unique<RttEstimatorWithStats>(std::move(optionsRttEst));
rttEstimator = make_unique<RttEstimatorWithStats>(std::move(rttEstOptions));
unique_ptr<PipelineInterestsAdaptive> adaptivePipeline;
if (pipelineType == "aimd") {
@@ -235,14 +266,14 @@ main(int argc, char* argv[])
if (!cwndPath.empty()) {
statsFileCwnd.open(cwndPath);
if (statsFileCwnd.fail()) {
std::cerr << "ERROR: failed to open " << cwndPath << std::endl;
std::cerr << "ERROR: failed to open '" << cwndPath << "'\n";
return 4;
}
}
if (!rttPath.empty()) {
statsFileRtt.open(rttPath);
if (statsFileRtt.fail()) {
std::cerr << "ERROR: failed to open " << rttPath << std::endl;
std::cerr << "ERROR: failed to open '" << rttPath << "'\n";
return 4;
}
}
@@ -252,7 +283,7 @@ main(int argc, char* argv[])
pipeline = std::move(adaptivePipeline);
}
else {
std::cerr << "ERROR: Interest pipeline type not valid" << std::endl;
std::cerr << "ERROR: '" << pipelineType << "' is not a valid pipeline type\n";
return 2;
}
@@ -263,15 +294,15 @@ main(int argc, char* argv[])
face.processEvents();
}
catch (const Consumer::ApplicationNackError& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 3;
}
catch (const Consumer::DataValidationError& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 5;
}
catch (const std::exception& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 1;
}
tools/chunks/putchunks/main.cpp
+37 -24
View File
@@ -53,47 +53,49 @@ usage(std::ostream& os, const std::string& programName, const po::options_descri
static int
main(int argc, char* argv[])
{
std::string programName = argv[0];
std::string prefix;
std::string signingStr;
const std::string programName(argv[0]);
Producer::Options opts;
std::string prefix, nameConv, signingStr;
po::options_description visibleDesc("Options");
visibleDesc.add_options()
("help,h", "print this help message and exit")
("freshness,f", po::value<time::milliseconds::rep>()->default_value(opts.freshnessPeriod.count()),
"FreshnessPeriod of the published Data packets, in milliseconds")
("help,h", "print this help message and exit")
("freshness,f", po::value<time::milliseconds::rep>()->default_value(opts.freshnessPeriod.count()),
"FreshnessPeriod of the published Data packets, in milliseconds")
("size,s", po::value<size_t>(&opts.maxSegmentSize)->default_value(opts.maxSegmentSize),
"maximum chunk size, in bytes")
("naming-convention,N", po::value<std::string>(&nameConv),
"encoding convention to use for name components, either 'marker' or 'typed'")
("signing-info,S", po::value<std::string>(&signingStr), "see 'man ndnputchunks' for usage")
("print-data-version,p", po::bool_switch(&opts.wantShowVersion),
"print Data version to the standard output")
("size,s", po::value<size_t>(&opts.maxSegmentSize)->default_value(opts.maxSegmentSize),
"maximum chunk size, in bytes")
("signing-info,S", po::value<std::string>(&signingStr), "see 'man ndnputchunks' for usage")
("quiet,q", po::bool_switch(&opts.isQuiet), "turn off all non-error output")
("verbose,v", po::bool_switch(&opts.isVerbose), "turn on verbose output (per Interest information)")
("version,V", "print program version and exit")
("quiet,q", po::bool_switch(&opts.isQuiet), "turn off all non-error output")
("verbose,v", po::bool_switch(&opts.isVerbose), "turn on verbose output (per Interest information)")
("version,V", "print program version and exit")
;
po::options_description hiddenDesc;
hiddenDesc.add_options()
("ndn-name,n", po::value<std::string>(&prefix), "NDN name for the served content");
po::positional_options_description p;
p.add("ndn-name", -1);
("name", po::value<std::string>(&prefix), "NDN name for the served content");
po::options_description optDesc;
optDesc.add(visibleDesc).add(hiddenDesc);
po::positional_options_description p;
p.add("name", -1);
po::variables_map vm;
try {
po::store(po::command_line_parser(argc, argv).options(optDesc).positional(p).run(), vm);
po::notify(vm);
}
catch (const po::error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 2;
}
catch (const boost::bad_any_cast& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 2;
}
@@ -103,7 +105,7 @@ main(int argc, char* argv[])
}
if (vm.count("version") > 0) {
std::cout << "ndnputchunks " << tools::VERSION << std::endl;
std::cout << "ndnputchunks " << tools::VERSION << "\n";
return 0;
}
@@ -112,14 +114,25 @@ main(int argc, char* argv[])
return 2;
}
if (nameConv == "marker" || nameConv == "m" || nameConv == "1") {
name::setConventionEncoding(name::Convention::MARKER);
}
else if (nameConv == "typed" || nameConv == "t" || nameConv == "2") {
name::setConventionEncoding(name::Convention::TYPED);
}
else if (!nameConv.empty()) {
std::cerr << "ERROR: '" << nameConv << "' is not a valid naming convention\n";
return 2;
}
opts.freshnessPeriod = time::milliseconds(vm["freshness"].as<time::milliseconds::rep>());
if (opts.freshnessPeriod < 0_ms) {
std::cerr << "ERROR: FreshnessPeriod cannot be negative" << std::endl;
std::cerr << "ERROR: --freshness cannot be negative\n";
return 2;
}
if (opts.maxSegmentSize < 1 || opts.maxSegmentSize > MAX_NDN_PACKET_SIZE) {
std::cerr << "ERROR: Maximum chunk size must be between 1 and " << MAX_NDN_PACKET_SIZE << std::endl;
std::cerr << "ERROR: --size must be between 1 and " << MAX_NDN_PACKET_SIZE << "\n";
return 2;
}
@@ -127,12 +140,12 @@ main(int argc, char* argv[])
opts.signingInfo = security::SigningInfo(signingStr);
}
catch (const std::invalid_argument& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 2;
}
if (opts.isQuiet && opts.isVerbose) {
std::cerr << "ERROR: Cannot be quiet and verbose at the same time" << std::endl;
std::cerr << "ERROR: cannot be quiet and verbose at the same time\n";
return 2;
}
@@ -143,7 +156,7 @@ main(int argc, char* argv[])
producer.run();
}
catch (const std::exception& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << "ERROR: " << e.what() << "\n";
return 1;
}