[Fabric-Sync] Run interactive mode in Fabric-Admin by default (#33455)

* Run interactive mode by default

* Address review comments

* allocate make a std::vector<const char*> and pass .data() of that vector to commands.Run()

Author: yufengwangca

examples/fabric-admin/commands/common/CHIPCommand.h

@@ -67,6 +67,9 @@ class CHIPCommand : public Command
     CHIPCommand(const char * commandName, CredentialIssuerCommands * credIssuerCmds, const char * helpText = nullptr) :
         Command(commandName, helpText), mCredIssuerCmds(credIssuerCmds)
     {
+        AddArgument("log-file-path", &mLogFilePath,
+                    "Path to the log file where the output is redirected.  Can be absolute or relative to the current working "
+                    "directory.");
         AddArgument("paa-trust-store-path", &mPaaTrustStorePath,
                     "Path to directory holding PAA certificate information.  Can be absolute or relative to the current working "
                     "directory.");
@@ -156,6 +159,7 @@ class CHIPCommand : public Command
     // identity without shutting it down or something in between...
     PersistentStorage mCommissionerStorage;
 #endif // CONFIG_USE_LOCAL_STORAGE
+    chip::Optional<char *> mLogFilePath;
     chip::PersistentStorageOperationalKeystore mOperationalKeystore;
     chip::Credentials::PersistentStorageOpCertStore mOpCertStore;
     static chip::Crypto::RawKeySessionKeystore sSessionKeystore;

examples/fabric-admin/commands/interactive/InteractiveCommands.cpp

@@ -19,9 +19,12 @@
 #include "InteractiveCommands.h"
 
 #include <platform/logging/LogV.h>
+#include <system/SystemClock.h>
 
 #include <editline.h>
 
+#include <stdarg.h>
+#include <stdio.h>
 #include <string>
 #include <vector>
 
@@ -31,16 +34,52 @@ constexpr char kInteractiveModeStopCommand[]     = "quit()";
 
 namespace {
 
+// File pointer for the log file
+FILE * sLogFile = nullptr;
+
+void OpenLogFile(const char * filePath)
+{
+    sLogFile = fopen(filePath, "a");
+    if (sLogFile == nullptr)
+    {
+        perror("Failed to open log file");
+    }
+}
+
+void CloseLogFile()
+{
+    if (sLogFile != nullptr)
+    {
+        fclose(sLogFile);
+        sLogFile = nullptr;
+    }
+}
+
 void ClearLine()
 {
     printf("\r\x1B[0J"); // Move cursor to the beginning of the line and clear from cursor to end of the screen
 }
 
 void ENFORCE_FORMAT(3, 0) LoggingCallback(const char * module, uint8_t category, const char * msg, va_list args)
 {
-    ClearLine();
-    chip::Logging::Platform::LogV(module, category, msg, args);
-    ClearLine();
+    if (sLogFile == nullptr)
+    {
+        return;
+    }
+
+    uint64_t timeMs       = chip::System::SystemClock().GetMonotonicMilliseconds64().count();
+    uint64_t seconds      = timeMs / 1000;
+    uint64_t milliseconds = timeMs % 1000;
+
+    flockfile(sLogFile);
+
+    fprintf(sLogFile, "[%llu.%06llu] CHIP:%s: ", static_cast<unsigned long long>(seconds),
+            static_cast<unsigned long long>(milliseconds), module);
+    vfprintf(sLogFile, msg, args);
+    fprintf(sLogFile, "\n");
+    fflush(sLogFile);
+
+    funlockfile(sLogFile);
 }
 
 } // namespace
@@ -90,9 +129,13 @@ CHIP_ERROR InteractiveStartCommand::RunCommand()
 {
     read_history(GetHistoryFilePath().c_str());
 
-    // Logs needs to be redirected in order to refresh the screen appropriately when something
-    // is dumped to stdout while the user is typing a command.
-    chip::Logging::SetLogRedirectCallback(LoggingCallback);
+    if (mLogFilePath.HasValue())
+    {
+        OpenLogFile(mLogFilePath.Value());
+
+        // Redirect logs to the custom logging callback
+        chip::Logging::SetLogRedirectCallback(LoggingCallback);
+    }
 
     char * command = nullptr;
     int status;
@@ -112,6 +155,8 @@ CHIP_ERROR InteractiveStartCommand::RunCommand()
     }
 
     SetCommandExitStatus(CHIP_NO_ERROR);
+    CloseLogFile();
+
     return CHIP_NO_ERROR;
 }
 

examples/fabric-admin/main.cpp

@@ -23,11 +23,26 @@
 #include "commands/pairing/Commands.h"
 #include <zap-generated/cluster/Commands.h>
 
+#include <iostream>
+#include <string>
+#include <vector>
+
 // ================================================================================
 // Main Code
 // ================================================================================
 int main(int argc, char * argv[])
 {
+    // Convert command line arguments to a vector of strings for easier manipulation
+    std::vector<std::string> args(argv, argv + argc);
+
+    // Check if "interactive" and "start" are not in the arguments
+    if (args.size() < 3 || args[1] != "interactive" || args[2] != "start")
+    {
+        // Insert "interactive" and "start" after the executable name
+        args.insert(args.begin() + 1, "interactive");
+        args.insert(args.begin() + 2, "start");
+    }
+
     ExampleCredentialIssuerCommands credIssuerCommands;
     Commands commands;
 
@@ -36,5 +51,11 @@ int main(int argc, char * argv[])
     registerClusters(commands, &credIssuerCommands);
     registerCommandsSubscriptions(commands, &credIssuerCommands);
 
-    return commands.Run(argc, argv);
+    std::vector<char *> c_args;
+    for (auto & arg : args)
+    {
+        c_args.push_back(const_cast<char *>(arg.c_str()));
+    }
+
+    return commands.Run(static_cast<int>(c_args.size()), c_args.data());
 }