libjuice/Kconfig at main · 0x1abin/libjuice · GitHub

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menu "libjuice"

    config JUICE_ICE_MAX_CANDIDATES
        int "Maximum ICE candidates per description"
        default 8
        range 4 20
        help
            Maximum number of ICE candidates per local/remote description.
            Each candidate consumes ~220 bytes. Reducing this value saves
            significant memory in the agent structure.
            Typical embedded usage needs 4-8 candidates.

    config JUICE_TASK_STACK_SIZE
        int "Internal task stack size (bytes)"
        default 6144
        range 4096 16384
        help
            Stack size for libjuice internal FreeRTOS tasks (poll/mux threads).
            Minimum 4096 for basic operation. 6144 recommended.
            Increase if stack overflow occurs during STUN/TURN processing.

    config JUICE_MAX_STUN_SERVERS
        int "Maximum STUN server entries"
        default 1
        range 1 4
        help
            Maximum number of STUN server entries.

    config JUICE_MAX_RELAY_SERVERS
        int "Maximum TURN relay entries"
        default 1
        range 1 4
        help
            Maximum number of TURN relay server entries.

    config JUICE_STUN_MAX_CREDENTIAL_LEN
        int "Maximum STUN credential field length"
        default 128
        range 64 764
        help
            Maximum length for STUN username, realm, nonce, and password fields.
            RFC allows up to 764 bytes. 128 is sufficient for typical ICE usage.
            Reducing this value significantly reduces stack usage during
            STUN message processing (~2KB saved per STUN transaction).

    config JUICE_BUFFER_SIZE
        int "Network buffer size (bytes)"
        default 1500
        range 1024 4096
        help
            Size of network receive/send buffers. STUN messages are typically
            under 1000 bytes. 1500 (MTU size) is recommended for embedded.

    config JUICE_LOG_BUFFER_SIZE
        int "Log message buffer size (bytes)"
        default 256
        range 128 4096
        help
            Size of the log formatting buffer. Allocated on stack per log call.
            Reduce to minimize stack usage in logging-heavy code paths.

    config JUICE_ENABLE_SERVER
        bool "Enable JUICE server support"
        default n
        help
            Enable ICE/TURN server functionality. Disable to save code size
            on client-only devices.

endmenu