fuchsia/port.cc

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <stdlib.h>

#include <atomic>
#include <cassert>
#include <cstdarg>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <thread>

#if defined(__Fuchsia__)
#include <lib/syslog/structured_backend/cpp/fuchsia_syslog.h>
#include <log/log.h>
#else
#include <libgen.h>
#endif

#include "cutils/log.h"
#include "cutils/properties.h"

extern "C" {

#if !defined(__Fuchsia__)
static void linux_log_prefix(const char* prefix, const char* file, int line, const char* format,
                             va_list ap, ...) {
    char buf[50];
    char* dup = strdup(file);
    if (!dup) return;

    snprintf(buf, sizeof(buf), "[%s(%d)]", basename(dup), line);
    fprintf(stderr, "%s\n", buf);
    vfprintf(stderr, format, ap);

    free(dup);
}
#endif

int property_get(const char* key, char* value, const char* default_value) { return 0; }

int __android_log_print(int priority, const char* tag, const char* file, int line,
                        const char* format, ...) {
    const char* local_tag = tag;
    if (!local_tag) {
        local_tag = "<NO_TAG>";
    }

    va_list ap;
    va_start(ap, format);
#if defined(__Fuchsia__)
    switch (priority) {
        case ANDROID_LOG_VERBOSE:
        case ANDROID_LOG_DEBUG:
            // Debug and verbose logs are intentionally dropped by Goldfish to match
            // previous behavior.
            break;
        case ANDROID_LOG_WARN:
            goldfish_fuchsia_log(FUCHSIA_LOG_WARNING, local_tag, file, line, format, ap);
            break;
        case ANDROID_LOG_ERROR:
            goldfish_fuchsia_log(FUCHSIA_LOG_ERROR, local_tag, file, line, format, ap);
            break;
        case ANDROID_LOG_FATAL:
            goldfish_fuchsia_log(FUCHSIA_LOG_FATAL, local_tag, file, line, format, ap);
            // Most repositories choose to panic when getting a FATAL log message.
            abort();
            break;
        case ANDROID_LOG_INFO:
        default:
            goldfish_fuchsia_log(FUCHSIA_LOG_INFO, local_tag, file, line, format, ap);
            break;
    }
#else
    linux_log_prefix(local_tag, file, line, format, ap);
#endif

    return 1;
}

void __android_log_assert(const char* condition, const char* tag, const char* file, int line,
                          const char* format, ...) {
    const char* local_tag = tag;
    if (!local_tag) {
        local_tag = "<NO_TAG>";
    }
    va_list ap;
    va_start(ap, format);
#if defined(__Fuchsia__)
    goldfish_fuchsia_log(FUCHSIA_LOG_ERROR, local_tag, file, line, format, ap);
#else
    linux_log_prefix(local_tag, file, line, format, ap);
#endif

    va_end(ap);

    abort();
}

int sync_wait(int fd, int timeout) { return -1; }
}