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Yakun Xu 8612d40adf [posix] update mdns-socket to support one-shot multicast DNS queries (#12558 )

This commit fixes the problem where OpenThread mDNS responder always
sends responses to port 5353, ignoring the source port of the query.

According to RFC 6762, a mDNS responder should support one-shot
multicast DNS queries by sending the response to the source address
and source port of the query.

Changes:
- Captured the actual source port from incoming queries in Simulation
  and POSIX platforms.
- Updated otPlatMdnsSendUnicast in Simulation platform to use the
  provided destination port.
- Verified that legacy unicast responses correctly cap TTL to 10
  seconds as required by RFC 6762 section 6.7.

2026-02-25 21:34:14 -06:00

virtual_time

[simulation] set virtual UART at runtime (#12199 )

2025-12-09 08:48:37 -08:00

alarm.c

[simulation] log the exit code when the program exits (#10936 )

2024-11-20 07:22:47 -08:00

ble.c

[tcat] add tcat implementations and bug fixes (#11402 )

2025-07-30 12:27:10 -07:00

CMakeLists.txt

[ncp] add empty implementation for dnssd platform APIs (#10877 )

2024-10-30 13:10:30 -07:00

crypto.c

[core] add missing platform function for OT_PLATFORM_KEY_REF (#9620 )

2023-11-19 18:49:30 -08:00

diag.c

[doxygen] remove empty line at end of block (#10748 )

2024-09-24 09:51:34 -07:00

dns.c

[dns] signal an error immediately when no upstream DNS server available (#11480 )

2025-05-20 14:50:18 -07:00

dnssd.c

[dnssd] support generic record queries via discovery proxy and SRP (#11357 )

2025-04-23 12:14:05 -07:00

dso_transport.c

[net] add support for DNS Stateful Operations (DSO) (#7081 )

2022-01-14 16:25:16 -08:00

entropy.c

[doxygen] remove empty line at end of block (#10748 )

2024-09-24 09:51:34 -07:00

flash.c

[clang-tidy] fix bugprone-too-small-loop-variable warnings (#9321 )

2023-08-01 16:52:34 -07:00

infra_if.c

[dhcp6] implement DHCPv6 Prefix Delegation (PD) client (#11584 )

2025-06-20 19:35:44 -07:00

logging.c

[log] add build option OT_LOG_MAX_SIZE to set the max log string size (#10948 )

2024-11-20 20:06:35 -08:00

mdns_socket.c

[posix] update mdns-socket to support one-shot multicast DNS queries (#12558 )

2026-02-25 21:34:14 -06:00

misc.c

[otns] add default (weak) OTNS platform API implementation in core (#12308 )

2026-01-22 10:49:37 -08:00

multipan.c

[spinel] add support for multiple spinel interfaces (#9360 )

2023-11-28 16:16:37 -08:00

openthread-core-simulation-config.h

[simulation] enable the platform assert (#10952 )

2024-11-22 16:48:51 -08:00

platform-config.h

[simulation] add APIs for select() based event loop (#12135 )

2025-11-18 22:19:04 -08:00

platform-simulation.h

[simulation] set virtual UART at runtime (#12199 )

2025-12-09 08:48:37 -08:00

radio.c

[simulation] use the CSL receiver's peer address to include CSL IE (#11905 )

2025-09-29 18:24:38 -07:00

README.md

[build] remove autotools (#9027 )

2023-06-28 08:54:23 -07:00

simul_utils.c

[simulation] log the exit code when the program exits (#10936 )

2024-11-20 07:22:47 -08:00

simul_utils.h

[simulation] set virtual UART at runtime (#12199 )

2025-12-09 08:48:37 -08:00

spi-stubs.c

[clang-format] use AllowShortFunctionsOnASingleLine: All (#8502 )

2022-12-08 09:34:05 -08:00

system.c

[simulation] add APIs for select() based event loop (#12135 )

2025-11-18 22:19:04 -08:00

trel.c

[trel] detect and handle socket addr discrepancy for TREL peers (#10869 )

2024-12-18 20:35:58 -08:00

uart.c

[simulation] set virtual UART at runtime (#12199 )

2025-12-09 08:48:37 -08:00

README.md

OpenThread Simulation on POSIX

This directory contains example platform drivers for simulation on POSIX.

Build Examples

$ cd <path-to-openthread>
$ mkdir build && cd build
$ cmake -GNinja -DOT_PLATFORM=simulation ..
$ ninja

After a successful build, the elf files are found in:

<path-to-openthread>/build/examples/apps/cli
<path-to-openthread>/build/examples/apps/ncp

Interact

Spawn the process:

$ cd <path-to-openthread>/build/simulation/examples/apps/cli
$ ./ot-cli-ftd 1

Type help for list of commands.

> help
help
channel
childtimeout
contextreusedelay
extaddr
extpanid
ipaddr
keysequence
leaderweight
mode
netdata register
networkidtimeout
networkkey
networkname
panid
ping
prefix
releaserouterid
rloc16
route
routerupgradethreshold
scan
start
state
stop