config: add ip:port part history save.

Gui/GuiUtil/Config.cpp

@@ -0,0 +1,80 @@
+#include "Config.h"
+
+#include <fstream>
+
+FrelayConfig::FrelayConfig()
+{
+}
+
+FrelayConfig::~FrelayConfig()
+{
+}
+
+bool FrelayConfig::SaveIpPort(const QString& ipPort)
+{
+    auto p = GlobalData::Ins()->GetConfigPath();
+
+    json j;
+
+    if (existFile(p)) {
+        std::ifstream ifs(p);
+        ifs >> j;
+        ifs.close();
+    }
+
+    CgConVec vec;
+    if (j.contains("connections")) {
+        vec = j["connections"].get<CgConVec>();
+    }
+
+    bool exist = false;
+    for (const auto& v : vec) {
+        if (v.ip == ipPort.toStdString()) {
+            exist = true;
+            break;
+        }
+    }
+
+    if (exist) {
+        return true;
+    }
+
+    vec.emplace(vec.begin(), CgConnection{ipPort.toStdString()});
+    if (vec.size() >= 10) {
+        vec.pop_back();
+    }
+
+    j["connections"] = vec;
+    std::ofstream ofs(p);
+    ofs << std::setw(4) << j << std::endl;
+    return true;
+}
+
+std::vector<QString> FrelayConfig::GetIpPort()
+{
+    std::vector<QString> result;
+    auto p = GlobalData::Ins()->GetConfigPath();
+    json j;
+    if (existFile(p)) {
+        std::ifstream ifs(p);
+        ifs >> j;
+        ifs.close();
+        if (j.contains("connections")) {
+            auto vec = j["connections"].get<CgConVec>();
+            for (const auto& v : vec) {
+                result.push_back(QString::fromStdString(v.ip));
+            }
+        } else {
+            result.push_back("127.0.0.1:9009");
+        }
+    } else {
+        result.push_back("127.0.0.1:9009");
+    }
+    return result;
+}
+
+bool FrelayConfig::existFile(const std::string& path)
+{
+    std::ifstream ifs(path);
+    return ifs.good();
+}

Gui/GuiUtil/Config.h

@@ -0,0 +1,31 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include <QString>
+#include <Util.h>
+#include <nlohmann/json.hpp>
+#include <vector>
+using json = nlohmann::json;
+
+struct CgConnection {
+    std::string ip;
+    NLOHMANN_DEFINE_TYPE_INTRUSIVE(CgConnection, ip);
+};
+
+using CgConVec = std::vector<CgConnection>;
+
+class FrelayConfig
+{
+public:
+    FrelayConfig();
+    ~FrelayConfig();
+
+public:
+    bool SaveIpPort(const QString& ipPort);
+    std::vector<QString> GetIpPort();
+
+private:
+    bool existFile(const std::string& path);
+};
+
+#endif   // CONFIG_H