zephyr/subsys/logging/log_backend_native_posix.c

148 lines
3.3 KiB
C

/*
* Copyright (c) 2018 Nordic Semiconductor ASA
* Copyright (c) 2018 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdio.h>
#include <stddef.h>
#include <logging/log_backend.h>
#include <logging/log_core.h>
#include <logging/log_msg.h>
#include <logging/log_output.h>
#include "posix_trace.h"
#define _STDOUT_BUF_SIZE 256
static char stdout_buff[_STDOUT_BUF_SIZE];
static int n_pend; /* Number of pending characters in buffer */
static void preprint_char(int c)
{
int printnow = 0;
if (c == '\r') {
/* Discard carriage returns */
return;
}
if (c != '\n') {
stdout_buff[n_pend++] = c;
stdout_buff[n_pend] = 0;
} else {
printnow = 1;
}
if (n_pend >= _STDOUT_BUF_SIZE - 1) {
printnow = 1;
}
if (printnow) {
posix_print_trace("%s\n", stdout_buff);
n_pend = 0;
stdout_buff[0] = 0;
}
}
static u8_t buf[_STDOUT_BUF_SIZE];
static int char_out(u8_t *data, size_t length, void *ctx)
{
for (size_t i = 0; i < length; i++) {
preprint_char(data[i]);
}
return length;
}
LOG_OUTPUT_DEFINE(log_output, char_out, buf, sizeof(buf));
static void put(const struct log_backend *const backend,
struct log_msg *msg)
{
log_msg_get(msg);
u32_t flags = LOG_OUTPUT_FLAG_LEVEL | LOG_OUTPUT_FLAG_TIMESTAMP;
if (IS_ENABLED(CONFIG_LOG_BACKEND_SHOW_COLOR)) {
if (posix_trace_over_tty(0)) {
flags |= LOG_OUTPUT_FLAG_COLORS;
}
}
if (IS_ENABLED(CONFIG_LOG_BACKEND_FORMAT_TIMESTAMP)) {
flags |= LOG_OUTPUT_FLAG_FORMAT_TIMESTAMP;
}
log_output_msg_process(&log_output, msg, flags);
log_msg_put(msg);
}
static void panic(struct log_backend const *const backend)
{
log_output_flush(&log_output);
}
static void dropped(const struct log_backend *const backend, u32_t cnt)
{
ARG_UNUSED(backend);
log_output_dropped_process(&log_output, cnt);
}
static void sync_string(const struct log_backend *const backend,
struct log_msg_ids src_level, u32_t timestamp,
const char *fmt, va_list ap)
{
u32_t flags = LOG_OUTPUT_FLAG_LEVEL | LOG_OUTPUT_FLAG_TIMESTAMP;
u32_t key;
if (IS_ENABLED(CONFIG_LOG_BACKEND_SHOW_COLOR)) {
flags |= LOG_OUTPUT_FLAG_COLORS;
}
if (IS_ENABLED(CONFIG_LOG_BACKEND_FORMAT_TIMESTAMP)) {
flags |= LOG_OUTPUT_FLAG_FORMAT_TIMESTAMP;
}
key = irq_lock();
log_output_string(&log_output, src_level, timestamp, fmt, ap, flags);
irq_unlock(key);
}
static void sync_hexdump(const struct log_backend *const backend,
struct log_msg_ids src_level, u32_t timestamp,
const char *metadata, const u8_t *data, u32_t length)
{
u32_t flags = LOG_OUTPUT_FLAG_LEVEL | LOG_OUTPUT_FLAG_TIMESTAMP;
u32_t key;
if (IS_ENABLED(CONFIG_LOG_BACKEND_SHOW_COLOR)) {
flags |= LOG_OUTPUT_FLAG_COLORS;
}
if (IS_ENABLED(CONFIG_LOG_BACKEND_FORMAT_TIMESTAMP)) {
flags |= LOG_OUTPUT_FLAG_FORMAT_TIMESTAMP;
}
key = irq_lock();
log_output_hexdump(&log_output, src_level, timestamp,
metadata, data, length, flags);
irq_unlock(key);
}
const struct log_backend_api log_backend_native_posix_api = {
.put = IS_ENABLED(CONFIG_LOG_IMMEDIATE) ? NULL : put,
.put_sync_string = IS_ENABLED(CONFIG_LOG_IMMEDIATE) ?
sync_string : NULL,
.put_sync_hexdump = IS_ENABLED(CONFIG_LOG_IMMEDIATE) ?
sync_hexdump : NULL,
.panic = panic,
.dropped = IS_ENABLED(CONFIG_LOG_IMMEDIATE) ? NULL : dropped,
};
LOG_BACKEND_DEFINE(log_backend_native_posix,
log_backend_native_posix_api,
true);