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Merged
tzaeschke merged 2 commits into from
Mar 16, 2026
Merged

Showpaths fixes #2 #3

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3ac0332
Showpaths fixes #2
Mar 16, 2026
ca1bf81
Showpaths fixes #2
Mar 16, 2026
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13 changes: 5 additions & 8 deletions CHANGELOG.md
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Expand Up @@ -12,14 +12,16 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.

### Changed

- Changed pretty much all names and created an executable main class.
- Fixed showpaths issues.
[#2](https://github.com/netsec-ethz/scion-java-multiping/pull/2)

## [0.1.0] - 2026-03-11

### Added

- Everything
[#1](https://github.com/netsec-ethz/scion-java-multiping/pull/1)


### Changed

Expand All @@ -33,11 +35,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.

- Nothing

[Unreleased]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.6.1...HEAD
[0.6.1]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.6.0...v0.6.1
[0.6.0]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.5.0...v0.6.0
[0.5.0]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.4.0...v0.5.0
[0.4.0]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.3.0...v0.4.0
[0.3.0]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.2.0...v0.3.0
[0.2.0]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.1.0...v0.2.0
[Unreleased]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.1.0...HEAD
[0.2.0]: https://github.com/netsec-ethz/scion-java-multiping/compare/v0.1.0...v0.0.1
[0.1.0]: https://github.com/netsec-ethz/scion-java-multiping/compare/init_root_commit...v0.1.0
53 changes: 27 additions & 26 deletions src/main/java/org/scion/cli/Cli.java
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Expand Up @@ -139,8 +139,8 @@ private static void printUsageAddress() {
println("");
println("Flags:");
println(" -h, --help help for address");
println(" --isd-as isd-as The local ISD-AS to use. (default 0-0)");
println(" --json Write the output as machine readable json");
// println(" --isd-as isd-as The local ISD-AS to use. (default 0-0)");
// println(" --json Write the output as machine readable json");
println(" -l, --local ip Local IP address to listen on. (default invalid IP)");
println(" --sciond string SCION Daemon address. (default \"127.0.0.1:30255\")");
}
Expand Down Expand Up @@ -178,9 +178,9 @@ static void printUsagePing() {
println(" -h, --help help for ping");
// println(" -i, --interactive interactive mode");
println(" --interval duration time between packets (default 1s)");
println(" --isd-as isd-as The local ISD-AS to use. (default 0-0)");
// println(" --isd-as isd-as The local ISD-AS to use. (default 0-0)");
println(" -l, --local ip Local IP address to listen on. (default invalid IP)");
println(" --log.level string Console logging level verbosity (debug|info|error)");
// println(" --log.level string Console logging level verbosity (debug|info|error)");
// println(" --max-mtu choose the payload size such that the sent SCION
// packet including the SCION Header,");
// println(" SCMP echo header and payload are equal to the MTU
Expand All @@ -192,17 +192,17 @@ static void printUsagePing() {
// println(" the desired size must provide enough space for the
// required headers. This flag");
// println(" overrides the 'payload_size' flag.");
println(" --port <port Use specified local port");
println(" --port uint16 use specified local port");
println(
" -s, --payload-size uint number of bytes to be sent in addition to the SCION Header and SCMP echo header;");
println(
" the total size of the packet is still variable size due to the variable size of");
// println(" --refresh set refresh flag for path request");
println(" --sciond string SCION Daemon address. (default \"127.0.0.1:30255\")");
// println(" --sequence string Space separated list of hop predicates");
println(" --shim Start with SHIM enabled (default disabled).");
println(" --shim start with SHIM enabled (default disabled).");
println(" --timeout duration timeout per packet (default 1s)");
println(" --url url Use and resolve a url as destination address");
println(" --url url use and resolve a url as destination address");
}

static void printUsageTraceroute() {
Expand Down Expand Up @@ -234,13 +234,13 @@ static void printUsageTraceroute() {
// println(" --log.level string Console logging level verbosity
// (debug|info|error)");
// println(" --no-color disable colored output");
println(" --port <port> Use specified local port");
println(" --port uint16 use specified local port");
// println(" --refresh set refresh flag for path request");
println(" --sciond string SCION Daemon address. (default \"127.0.0.1:30255\")");
// println(" --sequence string Space separated list of hop predicates");
println(" --shim Start with SHIM enabled (default disabled).");
println(" --shim start with SHIM enabled (default disabled).");
println(" --timeout duration timeout per packet (default 1s)");
println(" --url url Use and resolve a url as destination address");
println(" --url url use and resolve a url as destination address");
}

static void printUsageShowpaths() {
Expand Down Expand Up @@ -275,29 +275,30 @@ static void printUsageShowpaths() {
println(" jpan-cli showpaths 1-ff00:0:110 --no-probe");
println("");
println("Flags:");
println(" --epic Enable EPIC.");
// println(" --epic Enable EPIC.");
println(" -e, --extended Show extended path meta data information");
println(
" --format string Specify the output format (human|json|yaml) (default \"human\")");
// println(
// " --format string Specify the output format (human|json|yaml) (default
// \"human\")");
println(" -h, --help help for showpaths");
println(" --isd-as isd-as The local ISD-AS to use. (default 0-0)");
// println(" --isd-as isd-as The local ISD-AS to use. (default 0-0)");
println(" -l, --local ip Local IP address to listen on. (default invalid IP)");
println(" --log.level string Console logging level verbosity (debug|info|error)");
// println(" --log.level string Console logging level verbosity
// (debug|info|error)");
println(
" -m, --maxpaths int Maximum number of paths that are displayed (default 10)");
println(" --no-color disable colored output");
println(" --no-probe Do not probe the paths and print the health status");
println(" -r, --refresh Set refresh flag for SCION Daemon path request");
" -m, --maxpaths int maximum number of paths that are displayed (default 10)");
// println(" --no-color disable colored output");
// println(" --no-probe Do not probe the paths and print the health
// status");
// println(" -r, --refresh Set refresh flag for SCION Daemon path request");
println(" --sciond string SCION Daemon address. (default \"127.0.0.1:30255\")");
println(" --sequence string Space separated list of hop predicates");
println(" --timeout duration Timeout (default 5s)");
println(" --tracing.agent string Tracing agent address");
// println(" --sequence string Space separated list of hop predicates");
// println(" --timeout duration Timeout (default 5s)");
// println(" --tracing.agent string Tracing agent address");
}

static void printUsagePingResponder() {
println(" This command starts a server that responds to incoming echo requests.");
println(" It takes a configuration file `ping-responder-config.json` as input.");
println(" See README.md for more information.");
println("`ping-responder` starts a server process that responds to incoming echo requests.");
println("");

println("Usage:");
Expand All @@ -314,7 +315,7 @@ static void printUsagePingResponder() {
println("Flags:");
// println(" -l, --local ip Local IP address to listen on. (default invalid
// IP)");
println(" --port <port> Use specified local port.");
println(" --port uint16 use specified local port.");
}

private static void printSequenceHelp() {
Expand Down
19 changes: 15 additions & 4 deletions src/main/java/org/scion/cli/Showpaths.java
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Expand Up @@ -48,6 +48,7 @@ public class Showpaths {
private static InetSocketAddress daemon;
private static Long isdAs;
private static boolean extended = false;
private static int maxPaths = 10;

public static void main(String... args) {
handleExit(() -> run(args));
Expand All @@ -69,6 +70,10 @@ private static void parseArgs(String[] argsArray) {
List<String> args = new ArrayList<>(Arrays.asList(argsArray));
while (!args.isEmpty()) {
switch (args.get(0)) {
case "-e":
case "--extended":
extended = true;
break;
case "-h":
case "--help":
Cli.printUsageShowpaths();
Expand All @@ -81,17 +86,20 @@ private static void parseArgs(String[] argsArray) {
case "--local":
localIP = parseIP("local", args);
break;
case "-m":
case "--maxpaths":
maxPaths = parseInt("--maxpaths", args);
break;
case "--sciond":
daemon = parseAddress("sciond", args);
break;
default:
if (isdAs == null) {
isdAs = parseIsdAs(args);
if (isdAs != null) {
continue;
}
continue;
} else {
throw new ExitCodeException(2, "Unknown option: " + args.get(0));
}
throw new ExitCodeException(2, "Unknown option: " + args.get(0));
}
args.remove(0);
}
Expand All @@ -116,6 +124,9 @@ public static int run() throws IOException {

int id = 0;
for (Path path : paths) {
if (id >= maxPaths) {
break;
}
String localIP;
try (ScionDatagramChannel channel = ScionDatagramChannel.open()) {
channel.connect(path);
Expand Down
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