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-rw-r--r--infomanager.cpp208
1 files changed, 208 insertions, 0 deletions
diff --git a/infomanager.cpp b/infomanager.cpp
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index 000000000..864c431a5
--- /dev/null
+++ b/infomanager.cpp
@@ -0,0 +1,208 @@
+/*
+ Copyright 2012 bigbiff/Dees_Troy TeamWin
+ This file is part of TWRP/TeamWin Recovery Project.
+
+ TWRP is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ TWRP 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.
+
+ You should have received a copy of the GNU General Public License
+ along with TWRP. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <linux/input.h>
+#include <pthread.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <string>
+#include <utility>
+#include <map>
+#include <fstream>
+#include <sstream>
+
+#include "infomanager.hpp"
+#include "twcommon.h"
+#include "partitions.hpp"
+#include "set_metadata.h"
+
+using namespace std;
+
+InfoManager::InfoManager(const string filename) {
+ File = filename;
+}
+
+InfoManager::~InfoManager(void) {
+ mValues.clear();
+}
+
+int InfoManager::LoadValues(void) {
+ string str;
+
+ // Read in the file, if possible
+ FILE* in = fopen(File.c_str(), "rb");
+ if (!in) {
+ LOGINFO("InfoManager file '%s' not found.\n", File.c_str());
+ return -1;
+ } else {
+ LOGINFO("InfoManager loading from '%s'.\n", File.c_str());
+ }
+
+ while (!feof(in)) {
+ string Name;
+ string Value;
+ unsigned short length;
+ char array[512];
+
+ if (fread(&length, 1, sizeof(unsigned short), in) != sizeof(unsigned short)) goto error;
+ if (length >= 512) goto error;
+ if (fread(array, 1, length, in) != length) goto error;
+ Name = array;
+
+ if (fread(&length, 1, sizeof(unsigned short), in) != sizeof(unsigned short)) goto error;
+ if (length >= 512) goto error;
+ if (fread(array, 1, length, in) != length) goto error;
+ Value = array;
+
+ map<string, string>::iterator pos;
+
+ pos = mValues.find(Name);
+ if (pos != mValues.end()) {
+ pos->second = Value;
+ } else {
+ mValues.insert(make_pair(Name, Value));
+ }
+ }
+error:
+ fclose(in);
+ return 0;
+}
+
+int InfoManager::SaveValues(void) {
+ if (File.empty())
+ return -1;
+
+ PartitionManager.Mount_By_Path(File, true);
+ LOGINFO("InfoManager saving '%s'\n", File.c_str());
+ FILE* out = fopen(File.c_str(), "wb");
+ if (!out)
+ return -1;
+
+ map<string, string>::iterator iter;
+ for (iter = mValues.begin(); iter != mValues.end(); ++iter) {
+ unsigned short length = (unsigned short) iter->first.length() + 1;
+ fwrite(&length, 1, sizeof(unsigned short), out);
+ fwrite(iter->first.c_str(), 1, length, out);
+ length = (unsigned short) iter->second.length() + 1;
+ fwrite(&length, 1, sizeof(unsigned short), out);
+ fwrite(iter->second.c_str(), 1, length, out);
+ }
+ fclose(out);
+ tw_set_default_metadata(File.c_str());
+ return 0;
+}
+
+int InfoManager::GetValue(const string varName, string& value) {
+ string localStr = varName;
+
+ map<string, string>::iterator pos;
+ pos = mValues.find(localStr);
+ if (pos == mValues.end())
+ return -1;
+
+ value = pos->second;
+ return 0;
+}
+
+int InfoManager::GetValue(const string varName, int& value) {
+ string data;
+
+ if (GetValue(varName,data) != 0)
+ return -1;
+
+ value = atoi(data.c_str());
+ return 0;
+}
+
+int InfoManager::GetValue(const string varName, float& value) {
+ string data;
+
+ if (GetValue(varName,data) != 0)
+ return -1;
+
+ value = atof(data.c_str());
+ return 0;
+}
+
+unsigned long long InfoManager::GetValue(const string varName, unsigned long long& value) {
+ string data;
+
+ if (GetValue(varName,data) != 0)
+ return -1;
+
+ value = strtoull(data.c_str(), NULL, 10);
+ return 0;
+}
+
+// This function will return an empty string if the value doesn't exist
+string InfoManager::GetStrValue(const string varName) {
+ string retVal;
+
+ GetValue(varName, retVal);
+ return retVal;
+}
+
+// This function will return 0 if the value doesn't exist
+int InfoManager::GetIntValue(const string varName) {
+ string retVal;
+ GetValue(varName, retVal);
+ return atoi(retVal.c_str());
+}
+
+int InfoManager::SetValue(const string varName, string value) {
+ // Don't allow empty values or numerical starting values
+ if (varName.empty() || (varName[0] >= '0' && varName[0] <= '9'))
+ return -1;
+
+ map<string, string>::iterator pos;
+ pos = mValues.find(varName);
+ if (pos == mValues.end())
+ mValues.insert(make_pair(varName, value));
+ else
+ pos->second = value;
+
+ return 0;
+}
+
+int InfoManager::SetValue(const string varName, int value) {
+ ostringstream valStr;
+ valStr << value;
+ return SetValue(varName, valStr.str());
+}
+
+int InfoManager::SetValue(const string varName, float value) {
+ ostringstream valStr;
+ valStr << value;
+ return SetValue(varName, valStr.str());
+}
+
+int InfoManager::SetValue(const string varName, unsigned long long value) {
+ ostringstream valStr;
+ valStr << value;
+ return SetValue(varName, valStr.str());
+}