Initial commit
This commit is contained in:
Wvader
commit
12423649e1
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.idea/
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*.spv
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# General
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.DS_Store
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.AppleDouble
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.LSOverride
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# Icon must end with two \r
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Icon
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# Thumbnails
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._*
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# Files that might appear in the root of a volume
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.DocumentRevisions-V100
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.fseventsd
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.Spotlight-V100
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.TemporaryItems
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.Trashes
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.VolumeIcon.icns
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.com.apple.timemachine.donotpresent
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# Directories potentially created on remote AFP share
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.AppleDB
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.AppleDesktop
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Network Trash Folder
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Temporary Items
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.apdisk
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CMakeLists.txt.user
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CMakeCache.txt
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CMakeFiles
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CMakeScripts
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Testing
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Makefile
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cmake_install.cmake
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install_manifest.txt
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compile_commands.json
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CTestTestfile.cmake
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cmake-build-debug
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cmake-build-release
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# Xcode
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.DS_Store
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*/build/*
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*.pbxuser
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!default.pbxuser
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*.mode1v3
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!default.mode1v3
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*.mode2v3
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!default.mode2v3
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*.perspectivev3
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!default.perspectivev3
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xcuserdata
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profile
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*.moved-aside
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DerivedData
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.idea/
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*.hmap
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*.xccheckout
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#CocoaPods
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Pods
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*.xcodeproj
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/xproj.screenflow
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/xproj.mp4
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/xproj-narc.psd
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/xproj-narc.gif
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/xproj-arc.psd
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/xproj-arc.gif
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build/*
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cmake-build-*
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RoastEngine.build
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Debug/
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deps/glad
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.version.toml
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cmake_minimum_required(VERSION 3.21)
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project(TestAugeas)
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include_directories(/opt/homebrew/opt/augeas/include/) # Headers para auto-complete?
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link_directories(/opt/homebrew/opt/augeas/lib)
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# Os binarios com as libraries, como é mac .dylib, linux: .SO, etc
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# tive que usar HOMEBREW_NO_INSTALL_CLEANUP=1 "brew install augeas --build-from-source"
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# para ele armazenar o codigo compilado.
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set(CMAKE_CXX_STANDARD 14)
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add_executable(TestAugeas main.cpp)
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target_link_libraries(TestAugeas augeas) # Se não ele não sabe que é para compilar para ARM64
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@ -0,0 +1,197 @@
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#include <stdio.h>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include <exception>
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#include <stdlib.h>
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#include <unistd.h>
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#include <augeas.h>
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// set wifi client data; DHCP, IP, ...
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int setWifiParameter(int DHCP, std::string sIP, std::string sSubnet, std::string sRouter){
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std::stringstream buffer;
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buffer << "/etc/network/interfaces" << std::flush; // +++ IMPORTANT: no SLASH at the end of path, otherwise it will not work but there won't be an error message
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std::string sPathExec = buffer.str();
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std::cout << "Execution path is: " << sPathExec << std::endl;
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augeas *myAug = NULL;
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std::string sPath;
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int ret = 0;
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int iMatches = 0;
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unsigned int flags = AUG_NO_MODL_AUTOLOAD; // AUG_NO_MODL_AUTOLOAD: really do not load // AUG_NO_LOAD: do not load/scan files // 0
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const char *root = NULL; //sRoot.c_str();
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const char *path = NULL;
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char **matches = NULL;
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const char *value = NULL;
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char **pathsErrors = NULL;
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// ==================
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// Initialization of augeas
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// ==================
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std::cout << std::endl << "Here we start the initialization." << std::endl;
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// Terminal: augtool --noautoload
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// The flag is set to --noautoload in order to speed up the initialization.
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// If the flag is not set, the standard config files are loaded which takes a while.
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// The commands after aug_init() then set the specific files which should be loaded.
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myAug = aug_init(root, "/usr/share/augeas/lenses", flags);
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// Set lens which should be loaded
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// Terminal: augtool> set /augeas/load/Interfaces/lens "Interfaces.lns"
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ret = aug_set(myAug, "/augeas/load/Interfaces/lens", "Interfaces.lns");
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std::cout << "Set lens: " << ret << std::endl;
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// Set incl(ude) path which should be parsed
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// Terminal: augtool> set /augeas/load/Interfaces/incl "/etc/network/interfaces"
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path = sPathExec.c_str();
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ret = aug_set(myAug, "/augeas/load/Interfaces/incl", path);
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std::cout << "Set incl: " << ret << std::endl;
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// Load/parse config files
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// Terminal: augtool> load
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ret = aug_load(myAug);
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std::cout << "Load augeas: " << ret << std::endl;
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// Reading and showing error messages
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iMatches = aug_match(myAug, "/augeas//error/*", &pathsErrors);
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std::cout << "Number of errors: " << std::to_string(iMatches) << std::endl;
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for (int j = 0; j < iMatches; j++) {
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ret = aug_get(myAug, pathsErrors[j], &value);
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std::cout << pathsErrors[j] << std::endl;
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if (value!=NULL){
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std::cout << value << std::endl;
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}else{
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std::cout << "Null" << std::endl;
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}
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}
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// ==================
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// Checking for specific nodes
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// ==================
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std::cout << std::endl << "Here we start searching for a specific node." << std::endl;
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// Check for matches
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sPath= "/files" + sPathExec + "/iface";
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path = sPath.c_str();
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iMatches = aug_match(myAug, path, &matches);
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std::cout << "Number of matches: " << iMatches << std::endl;
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// Check which network interface is the wifi interface (wlan0)
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// todo: simplify by using XPath
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int iWlanInterface = -1;
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std::cout << "The following paths have been found:" << std::endl;
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for (int i=1; i<=iMatches; i++){
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sPath = "/files" + sPathExec + "/iface[" + std::to_string(i) + "]";
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std::cout << sPath << std::endl;
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path = sPath.c_str();
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const char *value;
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ret = aug_get(myAug, path, &value); // todo: ret has to be 1, otherwise value is NULL
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if (ret==1){
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buffer.str(std::string()); // clear stream "buffer"
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buffer << value << std::flush;
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if (buffer.str()=="wlan0"){
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iWlanInterface = i;
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std::cout << "Interface number of wlan0: " << std::to_string(iWlanInterface) << std::endl;
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}
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}else{
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std::cout << "no value" << std::endl;
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}
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}
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// ==================
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// Changing value of nodes
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// ==================
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std::cout << std::endl << "Here we start changing the value of the node." <<std::endl;
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// Reading values before changing
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sPath= "/files" + sPathExec + "/iface[" + std::to_string(iWlanInterface) + "]/method";
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path = sPath.c_str();
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ret = aug_get(myAug, path, &value);
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std::cout << "The value read from node before changing: " << value << std::endl;
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// Terminal: augtool > set /files/home/pi/AugeasDemoC/network/interfaces/iface[3]/method dhcp
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sPath= "/files" + sPathExec + "/iface[" + std::to_string(iWlanInterface) + "]/method";
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path = sPath.c_str();
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ret = aug_set(myAug, path, "dhcp");
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std::cout << "Set value: " << ret << std::endl;
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// Reading version of augeas
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ret = aug_get(myAug, "/augeas/version", &value);
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std::cout << "Augeas version: " << value << std::endl;
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// Reading values; just for debugging
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sPath= "/files" + sPathExec + "/iface[" + std::to_string(iWlanInterface) + "]/method";
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path = sPath.c_str();
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ret = aug_get(myAug, path, &value);
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std::cout << "The value read from node after changing: " << value << std::endl;
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// ==================
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// Saving changes back to file
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// ==================
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std::cout << std::endl << "Here we start saving changes back to files." << std::endl;
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// Set the save mode: overwrite/backup/newfile/noop
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ret = aug_set(myAug, "/augeas/save", "overwrite");
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std::cout << "Save mode set: " << ret << std::endl;
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// Reading and showing saved files
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// Terminal: augtool> print /augeas/events/saved
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char **pathSaved= NULL;
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ret = aug_match(myAug, "/augeas/events/saved", &pathSaved);
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std::cout << "Number of changed files: " << std::to_string(ret) << std::endl;
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for (int j = 0; j < ret; j++) {
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aug_get(myAug, pathSaved[j], &value);
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std::cout << pathSaved[j] << std::endl;
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}
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// Save the changed config files
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// Terminal: augtool > save
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ret = aug_save(myAug);
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std::cout << "File saved: " << ret << std::endl;
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// Reading and showing saved files
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// Terminal: augtool> print /augeas/events/saved
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ret = aug_match(myAug, "/augeas/events/saved", &pathSaved);
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std::cout << "Number of changed files: " << std::to_string(ret) << std::endl;
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for (int j = 0; j < ret; j++) {
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aug_get(myAug, pathSaved[j], &value);
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std::cout << pathSaved[j] << std::endl;
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}
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// Reading and showing error messages
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iMatches = aug_match(myAug, "/augeas//error/*", &pathsErrors);
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std::cout << "Number of errors: " << std::to_string(iMatches) << std::endl;
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for (int j = 0; j < iMatches; j++) {
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ret = aug_get(myAug, pathsErrors[j], &value);
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std::cout << pathsErrors[j] << std::endl;
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if (value!=NULL){
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std::cout << value << std::endl;
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}else{
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std::cout << "Null" << std::endl;
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}
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}
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aug_close(myAug);
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return 0;
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}
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/**
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* This is the main method which creates and sets consumer instance.
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* @Looping is essential for this MQTT library to work.
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* @Exceptions on connection and subscription error.
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*/
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int main(int argc, char *argv[]) {
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// write config files related to wifi
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int ret = setWifiParameter(1, "192.168.178.123", "255.255.255.0", "192.168.178.1");
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std::cout << "Return: " << ret << std::endl;
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return 0;
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}
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