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ping: Add -q option to specify quiet mode

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Quiet mode suppresses all output except the statistics shown before
the program exits.
This commit is contained in:
Tim Ledbetter 2023-05-15 20:12:45 +01:00 committed by Andreas Kling
parent be71ccb690
commit 755bd4d3c2
Notes: sideshowbarker 2024-07-17 03:35:24 +09:00 
Author: https://github.com/tcl3
Commit: https://github.com/SerenityOS/serenity/commit/755bd4d3c2
Pull-request: https://github.com/SerenityOS/serenity/pull/18868
1 changed files with 18 additions and 9 deletions
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27
Userland/Utilities/ping.cpp
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@ -32,6 +32,7 @@ static int min_ms;
static int max_ms;
static DeprecatedString host;
static int payload_size = -1;
static bool quiet = false;
// variable part of header can be 0 to 40 bytes
// https://datatracker.ietf.org/doc/html/rfc791#section-3.1
static constexpr int max_optional_header_size_in_bytes = 40;
@ -41,7 +42,9 @@ static void closing_statistics()
{
int packet_loss = 100;
outln();
if (!quiet)
outln();
outln("--- {} ping statistics ---", host);
if (total_pings)
@ -65,6 +68,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
args_parser.add_positional_argument(host, "Host to ping", "host");
args_parser.add_option(count, "Stop after sending specified number of ECHO_REQUEST packets.", "count", 'c', "count");
args_parser.add_option(payload_size, "Amount of bytes to send as payload in the ECHO_REQUEST packets.", "size", 's', "size");
args_parser.add_option(quiet, "Quiet mode. Only display summary when finished.", "quiet", 'q');
args_parser.parse(arguments);
if (count.has_value() && (count.value() < 1 || count.value() > UINT32_MAX)) {
@ -151,7 +155,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto result = Core::System::recvfrom(fd, pong_packet.data(), pong_packet.size(), 0, (struct sockaddr*)&peer_address, &peer_address_size);
if (result.is_error()) {
if (result.error().code() == EAGAIN) {
outln("Request (seq={}) timed out.", ntohs(ping_hdr->un.echo.sequence));
if (!quiet)
outln("Request (seq={}) timed out.", ntohs(ping_hdr->un.echo.sequence));
break;
}
return result.release_error();
@ -159,7 +165,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
i8 internet_header_length = *pong_packet.data() & 0x0F;
if (internet_header_length < min_header_size_in_bytes) {
outln("ping: illegal ihl field value {:x}", internet_header_length);
if (!quiet)
outln("ping: illegal ihl field value {:x}", internet_header_length);
continue;
}
@ -194,12 +202,13 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
max_ms = ms;
char addr_buf[INET_ADDRSTRLEN];
outln("Pong from {}: id={}, seq={}{}, time={}ms, size={}",
inet_ntop(AF_INET, &peer_address.sin_addr, addr_buf, sizeof(addr_buf)),
ntohs(pong_hdr->un.echo.id),
ntohs(pong_hdr->un.echo.sequence),
pong_hdr->un.echo.sequence != ping_hdr->un.echo.sequence ? "(!)" : "",
ms, result.value());
if (!quiet)
outln("Pong from {}: id={}, seq={}{}, time={}ms, size={}",
inet_ntop(AF_INET, &peer_address.sin_addr, addr_buf, sizeof(addr_buf)),
ntohs(pong_hdr->un.echo.id),
ntohs(pong_hdr->un.echo.sequence),
pong_hdr->un.echo.sequence != ping_hdr->un.echo.sequence ? "(!)" : "",
ms, result.value());
// If this was a response to an earlier packet, we still need to wait for the current one.
if (pong_hdr->un.echo.sequence != ping_hdr->un.echo.sequence)