SimpleSocket

A simple cross-platform communication library for C++ (no external dependencies) for education and hobby usage.

Supports:

• UDP
• TCP/IP
• Unix Domain Sockets
• WebSockets
• HTTP fetcher
• Modbus [TCP]
• MQTT [TCP, WebSockets]

SimpleSocket supports TLS via openssl. This feature is optional and can be enabled at build time and allows use of TLS for TCP/IP connections, including Secure WebSockets (wss://), MQTT and https:// support in the HTTP fetcher.

Downstream usage with CMake FetchContent

include(FetchContent)
set(SIMPLE_SOCKET_BUILD_TESTS OFF)
set(SIMPLE_SOCKET_WITH_TLS OFF/ON)
set(SIMPLE_SOCKET_WITH_MQTT ON/OFF)
set(SIMPLE_SOCKET_WITH_MODBUS ON/OFF)
set(SIMPLE_SOCKET_WITH_MEMORY ON/OFF)
set(SIMPLE_SOCKET_WITH_WEBSOCKETS ON/OFF)
FetchContent_Declare(
        SimpleSocket
        GIT_REPOSITORY https://github.com/markaren/SimpleSocket.git
        GIT_TAG tag_or_commit_hash
)
FetchContent_MakeAvailable(SimpleSocket)

target_link_libraries(some_target PRIVATE simple_socket)