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The MQTT client ID was generated using sprintf with %ld and time(nullptr). On platforms with 32-bit userland but 64-bit kernel (such as Raspberry Pi OS and some custom Alpine Linux builds), time_t is a 64-bit long long but %ld only reads 32 bits. Since the upper 32 bits of the current Unix timestamp are zero, this always produces a client ID ending in .0, causing collisions when multiple instances or restarts occur. Replace time()-based client IDs with PID-based IDs using getpid(), which is always a portable 32-bit value and unique per process. Platform-guarded for Windows (_getpid) and POSIX (getpid). |
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| .gitignore | ||
| Conf.cpp | ||
| Conf.h | ||
| DAPNETGateway.cpp | ||
| DAPNETGateway.h | ||
| DAPNETGateway.ini | ||
| DAPNETGateway.sln | ||
| DAPNETGateway.vcxproj | ||
| DAPNETGateway.vcxproj.filters | ||
| DAPNETNetwork.cpp | ||
| DAPNETNetwork.h | ||
| LICENCE | ||
| Log.cpp | ||
| Log.h | ||
| Makefile | ||
| MQTTConnection.cpp | ||
| MQTTConnection.h | ||
| POCSAGMessage.cpp | ||
| POCSAGMessage.h | ||
| POCSAGNetwork.cpp | ||
| POCSAGNetwork.h | ||
| prebuild.cmd | ||
| README.md | ||
| README.REGEX | ||
| REGEX.cpp | ||
| REGEX.h | ||
| schema.json | ||
| StopWatch.cpp | ||
| StopWatch.h | ||
| TCPSocket.cpp | ||
| TCPSocket.h | ||
| Thread.cpp | ||
| Thread.h | ||
| Timer.cpp | ||
| Timer.h | ||
| UDPSocket.cpp | ||
| UDPSocket.h | ||
| Utils.cpp | ||
| Utils.h | ||
| Version.h | ||
The DAPNET Gateway links the MMDVM Host to the DAPNET network to receive paging messages.
The messages are buffered by the gateway when the host is busy with other modes, and then sends them to the host in order once the host becomes idle.
They build on 32-bit and 64-bit Linux as well as on Windows using Visual Studio 2022 on x86 and x64.
This software is licenced under the GPL v2 and is primarily intended for amateur and educational use.