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Plugins: TcpClientFactory,TcpServerFactory,HttpSessionFactory 可使用 Plugins 機制載入. IoManager: 儲存設定, 檢查Sch.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // \file fon9/ConfigFileBinder.cpp | ||
| // \author [email protected] | ||
| #include "fon9/ConfigFileBinder.hpp" | ||
| #include "fon9/File.hpp" | ||
| #include "fon9/Log.hpp" | ||
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| namespace fon9 { | ||
|
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| static std::string MakeErr(StrView logHeader, StrView func, File::Result fres, File& fd) { | ||
| std::string errstr = RevPrintTo<std::string>("func=", func, '|', fres, "|file=", fd.GetOpenName()); | ||
| if (logHeader.begin() != nullptr) | ||
| fon9_LOG_ERROR(logHeader, '|', errstr); | ||
| return errstr; | ||
| } | ||
| static std::string CheckRW(StrView logHeader, StrView func, File::Result fres, File::SizeType expected, File& fd) { | ||
| if (!fres) | ||
| return MakeErr(logHeader, func, fres, fd); | ||
| if (fres.GetResult() == expected) | ||
| return std::string{}; | ||
| std::string errstr = RevPrintTo<std::string>("func=", func, | ||
| "|err.size=", fres.GetResult(), | ||
| "|expected=", expected, | ||
| "|file=", fd.GetOpenName()); | ||
| if (logHeader.begin() != nullptr) | ||
| fon9_LOG_ERROR(logHeader, '|', errstr); | ||
| return errstr; | ||
| } | ||
|
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| std::string ConfigFileBinder::OpenRead(StrView logHeader, std::string cfgfn) { | ||
| this->FileName_ = cfgfn; | ||
| File fd; | ||
| auto fres = fd.Open(std::move(cfgfn), FileMode::Read); | ||
| if (!fres) | ||
| return MakeErr(logHeader, "Open", fres, fd); | ||
| fres = fd.GetFileSize(); | ||
| if (!fres) | ||
| return MakeErr(logHeader, "GetFileSize", fres, fd); | ||
| this->ConfigStr_.resize(fres.GetResult()); | ||
| if (this->ConfigStr_.size() <= 0) | ||
| return std::string{}; | ||
| fres = fd.Read(0, &*this->ConfigStr_.begin(), this->ConfigStr_.size()); | ||
| return CheckRW(logHeader, "Read", fres, this->ConfigStr_.size(), fd); | ||
| } | ||
| std::string ConfigFileBinder::Write(StrView logHeader, std::string cfgstr) { | ||
| if (this->ConfigStr_ == cfgstr) | ||
| return std::string{}; | ||
| if (this->FileName_.empty()) { | ||
| this->ConfigStr_ = std::move(cfgstr); | ||
| return std::string{}; | ||
| } | ||
| File fd; | ||
| auto fres = fd.Open(this->FileName_, FileMode::Write | FileMode::CreatePath | FileMode::Trunc); | ||
| if (!fres) | ||
| return MakeErr(logHeader, "Open", fres, fd); | ||
| fres = fd.Write(0, &*cfgstr.begin(), cfgstr.size()); | ||
| std::string errmsg = CheckRW(logHeader, "Write", fres, cfgstr.size(), fd); | ||
| if (errmsg.empty()) | ||
| this->ConfigStr_ = std::move(cfgstr); | ||
| return errmsg; | ||
| } | ||
|
|
||
| } // namespace | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // \file fon9/ConfigFileBinder.cpp | ||
| // \author [email protected] | ||
| #ifndef __fon9_ConfigFileBinder_hpp__ | ||
| #define __fon9_ConfigFileBinder_hpp__ | ||
| #include "fon9/StrView.hpp" | ||
|
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| namespace fon9 { | ||
|
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| /// \ingroup Misc | ||
| /// - 透過檔案讀/寫設定. | ||
| /// - 僅負責讀寫, 不解釋設定內容. | ||
| class fon9_API ConfigFileBinder { | ||
| std::string FileName_; | ||
| std::string ConfigStr_; | ||
| public: | ||
| bool HasBinding() const { | ||
| return !this->FileName_.empty(); | ||
| } | ||
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| /// 開啟設定檔, 載入內容, 若有失敗則傳回錯誤訊息. | ||
| /// - retval.empty() 表示成功, 可透過 GetConfigStr() 取得載入的內容. | ||
| /// - 若有失敗, 除了傳回錯誤訊息外, 如果 logHeader != nullptr 則還會透過 log 記錄錯誤訊息. | ||
| std::string OpenRead(StrView logHeader, std::string cfgfn); | ||
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| /// OpenRead() 成功之後, 透過這裡取得檔案(設定)內容. | ||
| /// 僅完整德將檔案內容讀入, 不解釋其內容. | ||
| const std::string& GetConfigStr() const { | ||
| return this->ConfigStr_; | ||
| } | ||
|
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| /// 寫設定有變動時, 將新的設定寫回設定檔. | ||
| /// - 設定檔為當初透過 OpenRead() 的 cfgfn; | ||
| /// 若 cfgfn.empty() 或沒有呼叫過 OpenRead(); 則只會更新 GetConfigStr(); | ||
| /// - 若 cfgstr 與當初讀入的一樣, 則不會有寫入的動作. | ||
| /// - 若有失敗, 除了傳回錯誤訊息外, 如果 logHeader != nullptr 則還會透過 log 記錄錯誤訊息. | ||
| std::string Write(StrView logHeader, std::string cfgstr); | ||
| }; | ||
|
|
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| } // namespace | ||
|
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| #endif//__fon9_ConfigFileBinder_hpp__ |
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