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shell: Add dropping of expired messages

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Log message get timestamp when being added to shell log message queue.
When adding to log message queue timeouts then all messages added
before timeout are dropped.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2018-12-18 14:48:56 +01:00 • committed by Carles Cufí
commit b467de5849
2 changed files with 39 additions and 16 deletions
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8
include/shell/shell_log_backend.h
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@ -40,6 +40,12 @@ struct shell_log_backend {
u32_t timeout;
};
/** @brief Shell log backend message structure. */
struct shell_log_backend_msg {
struct log_msg *msg;
u32_t timestamp;
};
/** @brief Prototype of function outputing processed data. */
int shell_log_backend_output_func(u8_t *data, size_t length, void *ctx);
@ -61,7 +67,7 @@ int shell_log_backend_output_func(u8_t *data, size_t length, void *ctx);
#if CONFIG_LOG
#define SHELL_LOG_BACKEND_DEFINE(_name, _buf, _size, _queue_size, _timeout) \
LOG_BACKEND_DEFINE(_name##_backend, log_backend_shell_api, false); \
K_MSGQ_DEFINE(_name##_msgq, sizeof(void *), \
K_MSGQ_DEFINE(_name##_msgq, sizeof(struct shell_log_backend_msg), \
_queue_size, sizeof(void *)); \
LOG_OUTPUT_DEFINE(_name##_log_output, shell_log_backend_output_func, \
_buf, _size); \