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/* Copyright (C) 2009 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
#include "android/user-config.h"
#include "android/utils/bufprint.h"
#include "android/utils/debug.h"
#include "android/utils/system.h"
#include "android/utils/path.h"
#include <stdlib.h>
#include <errno.h>
#include <sys/time.h>
#define D(...) VERBOSE_PRINT(init,__VA_ARGS__)
#if 0 /* set to 1 for more debugging */
# define DD(...) D(__VA_ARGS__)
#else
# define DD(...) ((void)0)
#endif
struct AUserConfig {
ABool changed;
int windowX;
int windowY;
uint64_t uuid;
char* iniPath;
};
/* Name of the user-config file */
#define USER_CONFIG_FILE "emulator-user.ini"
#define KEY_WINDOW_X "window.x"
#define KEY_WINDOW_Y "window.y"
#define KEY_UUID "uuid"
#define DEFAULT_X 100
#define DEFAULT_Y 100
/* Create a new AUserConfig object from a given AvdInfo */
AUserConfig*
auserConfig_new( AvdInfo* info )
{
AUserConfig* uc;
char inAndroidBuild = avdInfo_inAndroidBuild(info);
char needUUID = 1;
char temp[PATH_MAX], *p=temp, *end=p+sizeof(temp);
char* parentPath;
IniFile* ini = NULL;
ANEW0(uc);
/* If we are in the Android build system, store the configuration
* in ~/.android/emulator-user.ini. otherwise, store it in the file
* emulator-user.ini in the AVD's content directory.
*/
if (inAndroidBuild) {
p = bufprint_config_file(temp, end, USER_CONFIG_FILE);
} else {
p = bufprint(temp, end, "%s/%s", avdInfo_getContentPath(info),
USER_CONFIG_FILE);
}
/* handle the unexpected */
if (p >= end) {
/* Hmmm, something is weird, let's use a temporary file instead */
p = bufprint_temp_file(temp, end, USER_CONFIG_FILE);
if (p >= end) {
derror("Weird: Cannot create temporary user-config file?");
exit(2);
}
dwarning("Weird: Content path too long, using temporary user-config.");
}
uc->iniPath = ASTRDUP(temp);
DD("looking user-config in: %s", uc->iniPath);
/* ensure that the parent directory exists */
parentPath = path_parent(uc->iniPath, 1);
if (parentPath == NULL) {
derror("Weird: Can't find parent of user-config file: %s",
uc->iniPath);
exit(2);
}
if (!path_exists(parentPath)) {
if (!inAndroidBuild) {
derror("Weird: No content path for this AVD: %s", parentPath);
exit(2);
}
DD("creating missing directory: %s", parentPath);
if (path_mkdir_if_needed(parentPath, 0755) < 0) {
derror("Using empty user-config, can't create %s: %s",
parentPath, strerror(errno));
exit(2);
}
}
if (path_exists(uc->iniPath)) {
DD("reading user-config file");
ini = iniFile_newFromFile(uc->iniPath);
if (ini == NULL) {
dwarning("Can't read user-config file: %s\nUsing default values",
uc->iniPath);
}
}
if (ini != NULL) {
uc->windowX = iniFile_getInteger(ini, KEY_WINDOW_X, DEFAULT_X);
DD(" found %s = %d", KEY_WINDOW_X, uc->windowX);
uc->windowY = iniFile_getInteger(ini, KEY_WINDOW_Y, DEFAULT_Y);
DD(" found %s = %d", KEY_WINDOW_Y, uc->windowY);
if (iniFile_getValue(ini, KEY_UUID) != NULL) {
uc->uuid = (uint64_t) iniFile_getInt64(ini, KEY_UUID, 0LL);
needUUID = 0;
DD(" found %s = %lld", KEY_UUID, uc->uuid);
}
iniFile_free(ini);
}
else {
uc->windowX = DEFAULT_X;
uc->windowY = DEFAULT_Y;
uc->changed = 1;
}
/* Generate a 64-bit UUID if necessary. We simply take the
* current time, which avoids any privacy-related value.
*/
if (needUUID) {
struct timeval tm;
gettimeofday( &tm, NULL );
uc->uuid = (uint64_t)tm.tv_sec*1000 + tm.tv_usec/1000;
uc->changed = 1;
DD(" Generated UUID = %lld", uc->uuid);
}
return uc;
}
uint64_t
auserConfig_getUUID( AUserConfig* uconfig )
{
return uconfig->uuid;
}
void
auserConfig_getWindowPos( AUserConfig* uconfig, int *pX, int *pY )
{
*pX = uconfig->windowX;
*pY = uconfig->windowY;
}
void
auserConfig_setWindowPos( AUserConfig* uconfig, int x, int y )
{
if (x != uconfig->windowX || y != uconfig->windowY) {
uconfig->windowX = x;
uconfig->windowY = y;
uconfig->changed = 1;
}
}
/* Save the user configuration back to the content directory.
* Should be used in an atexit() handler */
void
auserConfig_save( AUserConfig* uconfig )
{
IniFile* ini;
char temp[256];
if (uconfig->changed == 0) {
D("User-config was not changed.");
return;
}
bufprint(temp, temp+sizeof(temp),
"%s = %d\n"
"%s = %d\n"
"%s = %lld\n",
KEY_WINDOW_X, uconfig->windowX,
KEY_WINDOW_Y, uconfig->windowY,
KEY_UUID, uconfig->uuid );
DD("Generated user-config file:\n%s", temp);
ini = iniFile_newFromMemory(temp, uconfig->iniPath);
if (ini == NULL) {
D("Weird: can't create user-config iniFile?");
return;
}
if (iniFile_saveToFile(ini, uconfig->iniPath) < 0) {
dwarning("could not save user configuration: %s: %s",
uconfig->iniPath, strerror(errno));
} else {
D("User configuration saved to %s", uconfig->iniPath);
}
iniFile_free(ini);
}
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