commandline.c

Android 一些工具

        snprintf(buffer, buflen, "host-serial:%s:%s", serial, command);
    } else {
        const char* prefix = "host";
        if (ttype == kTransportUsb)
            prefix = "host-usb";
        else if (ttype == kTransportLocal)
            prefix = "host-local";

        snprintf(buffer, buflen, "%s:%s", prefix, command);
    }
}

static void status_window(transport_type ttype, const char* serial)
{
    char command[4096];
    char *state = 0;
    char *laststate = 0;

        /* silence stderr */
#ifdef _WIN32
    /* XXX: TODO */
#else
	int  fd;
    fd = unix_open("/dev/null", O_WRONLY);
    dup2(fd, 2);
    adb_close(fd);
#endif

    format_host_command(command, sizeof command, "get-state", ttype, serial);

    for(;;) {
        adb_sleep_ms(250);

        if(state) {
            free(state);
            state = 0;
        }

        state = adb_query(command);

        if(state) {
            if(laststate && !strcmp(state,laststate)){
                continue;
            } else {
                if(laststate) free(laststate);
                laststate = strdup(state);
            }
        }

        printf("%c[2J%c[2H", 27, 27);
        printf("Android Debug Bridge\n");
        printf("State: %s\n", state ? state : "offline");
        fflush(stdout);
    }
}

/** duplicate string and quote all \ " ( ) chars */
static char *
dupAndQuote(const char *s)
{
    const char *ts;
    size_t alloc_len;
    char *ret;
    char *dest;

    ts = s;

    alloc_len = 0;

    for( ;*ts != '\0'; ts++) {
        alloc_len++;
        if (*ts == '"' || *ts == '\\') {
            alloc_len++;
        }
    }

    ret = (char *)malloc(alloc_len + 1);

    ts = s;
    dest = ret;

    for ( ;*ts != '\0'; ts++) {
        if (*ts == '"' || *ts == '\\' || *ts == '(' || *ts == ')') {
            *dest++ = '\\';
        }

        *dest++ = *ts;
    }

    *dest++ = '\0';

    return ret;
}

/**
 * Run ppp in "notty" mode against a resource listed as the first parameter
 * eg:
 *
 * ppp dev:/dev/omap_csmi_tty0 <ppp options>
 *
 */
int ppp(int argc, char **argv)
{
#ifdef HAVE_WIN32_PROC
    fprintf(stderr, "error: adb %s not implemented on Win32\n", argv[0]);
	return -1;
#else
    char *adb_service_name;
    pid_t pid;
    int fd;

    if (argc < 2) {
        fprintf(stderr, "usage: adb %s <adb service name> [ppp opts]\n",
                argv[0]);

        return 1;
    }

    adb_service_name = argv[1];

    fd = adb_connect(adb_service_name);

    if(fd < 0) {
        fprintf(stderr,"Error: Could not open adb service: %s. Error: %s\n",
                adb_service_name, adb_error());
        return 1;
    }

    pid = fork();

    if (pid < 0) {
        perror("from fork()");
        return 1;
    } else if (pid == 0) {
        int err;
        int i;
        const char **ppp_args;

        // copy args
        ppp_args = (const char **) alloca(sizeof(char *) * argc + 1);
        ppp_args[0] = "pppd";
        for (i = 2 ; i < argc ; i++) {
            //argv[2] and beyond become ppp_args[1] and beyond
            ppp_args[i - 1] = argv[i];
        }
        ppp_args[i-1] = NULL;

        // child side

        dup2(fd, STDIN_FILENO);
        dup2(fd, STDOUT_FILENO);
        adb_close(STDERR_FILENO);
        adb_close(fd);

        err = execvp("pppd", (char * const *)ppp_args);

        if (err < 0) {
            perror("execing pppd");
        }
        exit(-1);
    } else {
        // parent side

        adb_close(fd);
        return 0;
    }
#endif /* !HAVE_WIN32_PROC */
}

static int send_shellcommand(transport_type transport, char* serial, char* buf)
{
    int fd, ret;

    for(;;) {
        fd = adb_connect(buf);
        if(fd >= 0)
            break;
        fprintf(stderr,"- waiting for device -\n");
        adb_sleep_ms(1000);
        do_cmd(transport, serial, "wait-for-device", 0);
    }

    read_and_dump(fd);
    ret = adb_close(fd);
    if (ret)
        perror("close");

    return ret;
}

static int logcat(transport_type transport, char* serial, int argc, char **argv)
{
    char buf[4096];

    char *log_tags;
    char *quoted_log_tags;

    log_tags = getenv("ANDROID_LOG_TAGS");
    quoted_log_tags = dupAndQuote(log_tags == NULL ? "" : log_tags);

    snprintf(buf, sizeof(buf),
            "shell:export ANDROID_LOG_TAGS=\"\%s\" ; exec logcat",
	    quoted_log_tags);

    free(quoted_log_tags);

    argc -= 1;
    argv += 1;
    while(argc-- > 0) {
        char *quoted;

        quoted = dupAndQuote (*argv++);

        strncat(buf, " ", sizeof(buf)-1);
        strncat(buf, quoted, sizeof(buf)-1);
        free(quoted);
    }

    send_shellcommand(transport, serial, buf);
    return 0;
}

int adb_download_data(const char *what, const void* data, int sz, unsigned progress)
{
    char service[4096];
    snprintf(service, sizeof service, "bootloader:flash:%s", what);
    return adb_download_buffer(service, data, sz, 1);
}

#define SENTINEL_FILE "config" OS_PATH_SEPARATOR_STR "envsetup.make"
static int top_works(const char *top)
{
    if (top != NULL && adb_is_absolute_host_path(top)) {
        char path_buf[PATH_MAX];
        snprintf(path_buf, sizeof(path_buf),
                "%s" OS_PATH_SEPARATOR_STR SENTINEL_FILE, top);
        return access(path_buf, F_OK) == 0;
    }
    return 0;
}

static char *find_top_from(const char *indir, char path_buf[PATH_MAX])
{
    strcpy(path_buf, indir);
    while (1) {
        if (top_works(path_buf)) {
            return path_buf;
        }
        char *s = adb_dirstop(path_buf);
        if (s != NULL) {
            *s = '\0';
        } else {
            path_buf[0] = '\0';
            return NULL;
        }
    }
}

static char *find_top(char path_buf[PATH_MAX])
{
    char *top = getenv("ANDROID_BUILD_TOP");
    if (top != NULL && top[0] != '\0') {
        if (!top_works(top)) {
            fprintf(stderr, "adb: bad ANDROID_BUILD_TOP value \"%s\"\n", top);
            return NULL;
        }
    } else {
        top = getenv("TOP");
        if (top != NULL && top[0] != '\0') {
            if (!top_works(top)) {
                fprintf(stderr, "adb: bad TOP value \"%s\"\n", top);
                return NULL;
            }
        } else {
            top = NULL;
        }
    }

    if (top != NULL) {
        /* The environment pointed to a top directory that works.
         */
        strcpy(path_buf, top);
        return path_buf;
    }

    /* The environment didn't help.  Walk up the tree from the CWD
     * to see if we can find the top.
     */
    char dir[PATH_MAX];
    top = find_top_from(getcwd(dir, sizeof(dir)), path_buf);
    if (top == NULL) {
        /* If the CWD isn't under a good-looking top, see if the
         * executable is.
         */
        get_my_path(dir);
        top = find_top_from(dir, path_buf);
    }
    return top;
}

/* <hint> may be:
 * - A simple product name
 *   e.g., "sooner"
TODO: debug?  sooner-debug, sooner:debug?
 * - A relative path from the CWD to the ANDROID_PRODUCT_OUT dir
 *   e.g., "out/target/product/sooner"
 * - An absolute path to the PRODUCT_OUT dir
 *   e.g., "/src/device/out/target/product/sooner"
 *
 * Given <hint>, try to construct an absolute path to the
 * ANDROID_PRODUCT_OUT dir.
 */
static const char *find_product_out_path(const char *hint)
{
    static char path_buf[PATH_MAX];

    if (hint == NULL || hint[0] == '\0') {
        return NULL;
    }

    /* If it's already absolute, don't bother doing any work.
     */
    if (adb_is_absolute_host_path(hint)) {
        strcpy(path_buf, hint);
        return path_buf;
    }

    /* If there are any slashes in it, assume it's a relative path;
     * make it absolute.
     */
    if (adb_dirstart(hint) != NULL) {
        if (getcwd(path_buf, sizeof(path_buf)) == NULL) {
            fprintf(stderr, "adb: Couldn't get CWD: %s\n", strerror(errno));
            return NULL;
        }
        if (strlen(path_buf) + 1 + strlen(hint) >= sizeof(path_buf)) {
            fprintf(stderr, "adb: Couldn't assemble path\n");
            return NULL;
        }
        strcat(path_buf, OS_PATH_SEPARATOR_STR);
        strcat(path_buf, hint);
        return path_buf;
    }

    /* It's a string without any slashes.  Try to do something with it.
     *
     * Try to find the root of the build tree, and build a PRODUCT_OUT
     * path from there.
     */
    char top_buf[PATH_MAX];
    const char *top = find_top(top_buf);
    if (top == NULL) {
        fprintf(stderr, "adb: Couldn't find top of build tree\n");
        return NULL;
    }
//TODO: if we have a way to indicate debug, look in out/debug/target/...
    snprintf(path_buf, sizeof(path_buf),
            "%s" OS_PATH_SEPARATOR_STR
            "out" OS_PATH_SEPARATOR_STR
            "target" OS_PATH_SEPARATOR_STR
            "product" OS_PATH_SEPARATOR_STR
            "%s", top_buf, hint);
    if (access(path_buf, F_OK) < 0) {
        fprintf(stderr, "adb: Couldn't find a product dir "
                "based on \"-p %s\"; \"%s\" doesn't exist\n", hint, path_buf);
        return NULL;
    }
    return path_buf;
}

int adb_commandline(int argc, char **argv)
{
    char buf[4096];
    int no_daemon = 0;
    int is_daemon = 0;
    int persist = 0;
    int r;
    int quote;
    transport_type ttype = kTransportAny;
    char* serial = NULL;

        /* If defined, this should be an absolute path to
         * the directory containing all of the various system images
         * for a particular product.  If not defined, and the adb
         * command requires this information, then the user must
         * specify the path using "-p".
         */
    gProductOutPath = getenv("ANDROID_PRODUCT_OUT");
    if (gProductOutPath == NULL || gProductOutPath[0] == '\0') {
        gProductOutPath = NULL;
    }
    // TODO: also try TARGET_PRODUCT as a hint

        /* modifiers and flags */
    while(argc > 0) {
        if(!strcmp(argv[0],"nodaemon")) {
            no_daemon = 1;
        } else if (!strcmp(argv[0], "fork-server")) {
            /* this is a special flag used only when the ADB client launches the ADB Server */
            is_daemon = 1;
        } else if(!strcmp(argv[0],"persist")) {
            persist = 1;
        } else if(!strncmp(argv[0], "-p", 2)) {
            const char *product = NULL;
            if (argv[0][2] == '\0') {
                if (argc < 2) return usage();
                product = argv[1];
                argc--;
                argv++;
            } else {
                product = argv[1] + 2;
            }
            gProductOutPath = find_product_out_path(product);
            if (gProductOutPath == NULL) {
                fprintf(stderr, "adb: could not resolve \"-p %s\"\n",
                        product);
                return usage();
            }
        } else if (argv[0][0]=='-' && argv[0][1]=='s') {
            if (isdigit(argv[0][2])) {
                serial = argv[0] + 2;
            } else {
                if(argc < 2) return usage();
                serial = argv[1];
                argc--;
                argv++;
            }
        } else if (!strcmp(argv[0],"-d")) {
            ttype = kTransportUsb;
        } else if (!strcmp(argv[0],"-e")) {
            ttype = kTransportLocal;
        } else {
                /* out of recognized modifiers and flags */
            break;
        }
        argc--;
        argv++;
    }

    adb_set_transport(ttype, serial);

    if ((argc > 0) && (!strcmp(argv[0],"server"))) {
        if (no_daemon || is_daemon) {
            r = adb_main(is_daemon);
        } else {
            r = launch_server();
        }
        if(r) {
            fprintf(stderr,"* could not start server *\n");
        }
        return r;
    }

top:
    if(argc == 0) {
        return usage();
    }