290 lines
7.0 KiB
C
290 lines
7.0 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include "fastboot.h"
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char *mkmsg(const char *fmt, ...)
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{
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char buf[256];
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char *s;
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va_list ap;
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va_start(ap, fmt);
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vsprintf(buf, fmt, ap);
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va_end(ap);
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s = strdup(buf);
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if (s == 0) die("out of memory");
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return s;
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}
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#define OP_DOWNLOAD 1
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#define OP_COMMAND 2
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#define OP_QUERY 3
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#define OP_NOTICE 4
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typedef struct Action Action;
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struct Action
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{
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unsigned op;
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Action *next;
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char cmd[64];
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void *data;
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unsigned size;
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const char *msg;
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int (*func)(Action *a, int status, char *resp);
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};
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static Action *action_list = 0;
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static Action *action_last = 0;
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static int cb_default(Action *a, int status, char *resp)
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{
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if (status) {
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fprintf(stderr,"FAILED (%s)\n", resp);
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} else {
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fprintf(stderr,"OKAY\n");
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}
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return status;
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}
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static Action *queue_action(unsigned op, const char *fmt, ...)
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{
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Action *a;
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va_list ap;
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a = calloc(1, sizeof(Action));
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if (a == 0) die("out of memory");
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va_start(ap, fmt);
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vsprintf(a->cmd, fmt, ap);
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va_end(ap);
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if (action_last) {
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action_last->next = a;
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} else {
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action_list = a;
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}
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action_last = a;
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a->op = op;
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a->func = cb_default;
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return a;
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}
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void fb_queue_erase(const char *ptn)
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{
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Action *a;
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a = queue_action(OP_COMMAND, "erase:%s", ptn);
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a->msg = mkmsg("erasing '%s'", ptn);
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}
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void fb_queue_flash(const char *ptn, void *data, unsigned sz)
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{
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Action *a;
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a = queue_action(OP_DOWNLOAD, "");
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a->data = data;
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a->size = sz;
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a->msg = mkmsg("sending '%s' (%d KB)", ptn, sz / 1024);
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a = queue_action(OP_COMMAND, "flash:%s", ptn);
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a->msg = mkmsg("writing '%s'", ptn);
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}
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static int match(char *str, const char **value, unsigned count)
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{
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const char *val;
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unsigned n;
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int len;
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for (n = 0; n < count; n++) {
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const char *val = value[n];
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int len = strlen(val);
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int match;
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if ((len > 1) && (val[len-1] == '*')) {
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len--;
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match = !strncmp(val, str, len);
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} else {
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match = !strcmp(val, str);
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}
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if (match) return 1;
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}
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return 0;
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}
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static int cb_check(Action *a, int status, char *resp, int invert)
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{
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const char **value = a->data;
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unsigned count = a->size;
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unsigned n;
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int yes;
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if (status) {
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fprintf(stderr,"FAILED (%s)\n", resp);
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return status;
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}
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yes = match(resp, value, count);
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if (invert) yes = !yes;
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if (yes) {
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fprintf(stderr,"OKAY\n");
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return 0;
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}
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fprintf(stderr,"FAILED\n\n");
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fprintf(stderr,"Device %s is '%s'.\n", a->cmd + 7, resp);
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fprintf(stderr,"Update %s '%s'",
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invert ? "rejects" : "requires", value[0]);
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for (n = 1; n < count; n++) {
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fprintf(stderr," or '%s'", value[n]);
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}
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fprintf(stderr,".\n\n");
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return -1;
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}
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static int cb_require(Action *a, int status, char *resp)
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{
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return cb_check(a, status, resp, 0);
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}
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static int cb_reject(Action *a, int status, char *resp)
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{
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return cb_check(a, status, resp, 1);
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}
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void fb_queue_require(const char *var, int invert, unsigned nvalues, const char **value)
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{
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Action *a;
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a = queue_action(OP_QUERY, "getvar:%s", var);
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a->data = value;
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a->size = nvalues;
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a->msg = mkmsg("checking %s", var);
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a->func = invert ? cb_reject : cb_require;
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if (a->data == 0) die("out of memory");
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}
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static int cb_display(Action *a, int status, char *resp)
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{
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if (status) {
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fprintf(stderr, "%s FAILED (%s)\n", a->cmd, resp);
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return status;
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}
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fprintf(stderr, "%s: %s\n", (char*) a->data, resp);
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return 0;
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}
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void fb_queue_display(const char *var, const char *prettyname)
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{
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Action *a;
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a = queue_action(OP_QUERY, "getvar:%s", var);
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a->data = strdup(prettyname);
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if (a->data == 0) die("out of memory");
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a->func = cb_display;
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}
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static int cb_do_nothing(Action *a, int status, char *resp)
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{
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fprintf(stderr,"\n");
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return 0;
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}
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void fb_queue_reboot(void)
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{
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Action *a = queue_action(OP_COMMAND, "reboot");
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a->func = cb_do_nothing;
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a->msg = "rebooting";
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}
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void fb_queue_command(const char *cmd, const char *msg)
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{
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Action *a = queue_action(OP_COMMAND, cmd);
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a->msg = msg;
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}
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void fb_queue_download(const char *name, void *data, unsigned size)
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{
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Action *a = queue_action(OP_DOWNLOAD, "");
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a->data = data;
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a->size = size;
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a->msg = mkmsg("downloading '%s'", name);
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}
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void fb_queue_notice(const char *notice)
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{
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Action *a = queue_action(OP_NOTICE, "");
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a->data = (void*) notice;
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}
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void fb_execute_queue(usb_handle *usb)
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{
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Action *a;
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char resp[FB_RESPONSE_SZ+1];
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int status;
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a = action_list;
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resp[FB_RESPONSE_SZ] = 0;
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for (a = action_list; a; a = a->next) {
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if (a->msg) {
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fprintf(stderr,"%s... ",a->msg);
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}
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if (a->op == OP_DOWNLOAD) {
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status = fb_download_data(usb, a->data, a->size);
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status = a->func(a, status, status ? fb_get_error() : "");
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if (status) break;
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} else if (a->op == OP_COMMAND) {
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status = fb_command(usb, a->cmd);
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status = a->func(a, status, status ? fb_get_error() : "");
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if (status) break;
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} else if (a->op == OP_QUERY) {
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status = fb_command_response(usb, a->cmd, resp);
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status = a->func(a, status, status ? fb_get_error() : resp);
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if (status) break;
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} else if (a->op == OP_NOTICE) {
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fprintf(stderr,"%s\n",(char*)a->data);
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} else {
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die("bogus action");
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}
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}
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}
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