整理HttpServer

server/HttplibServer.cpp

@@ -0,0 +1,117 @@
+#include "HttplibServer.h"
+#include <filesystem>
+#include <vector>
+#include <direct.h>
+#include <iostream>
+
+
+#define SERVER_FILE_DIR   "/ServerFiles"
+
+#define CMD_GetFileList   "GetFileList"
+
+string static GetExeDir()
+{
+	char buff[_MAX_PATH];
+	_getcwd(buff, _MAX_PATH);
+	string currPath(buff);
+	return string(buff);
+}
+
+bool static bFileExist(const string& path)
+{
+	ifstream file(path, ios::binary);
+	return file.good();
+}
+
+CHttplibServer::CHttplibServer()
+{
+}
+
+
+CHttplibServer::~CHttplibServer()
+{
+}
+
+bool CHttplibServer::StartHttpServer(string  SvrFilesDir /*= ""*/, bool bAsync /*= true*/)
+{
+	m_SvrFilesDir = SvrFilesDir;
+	auto fStart = [&]
+	{
+		httplib::Server svr;
+		svr.set_payload_max_length(1024 * 1024 * 512); // 512MB
+		svr.Get(R"(/download/(.+))", [&](const Request& req, Response& res) {OnDownloadFile(req, res);});
+		svr.Get(R"(/command/(.+))", [&](const Request& req, Response& res) {OnCommandBase(req, res);});
+		std::cout << "Server started at http://localhost:1234\n";
+		svr.listen(m_SvrIP, m_Port);
+	};
+	bAsync? thread(fStart).detach(): fStart();
+	return true;
+}
+
+void CHttplibServer::OnCommandBase(const Request & req, Response & res)
+{
+	string cmd = req.matches[1];
+	std::cout << "Rcved Command:" << cmd << endl;
+
+	if (cmd.find(CMD_GetFileList) != string::npos)
+		OnCommand_GetFileList(req, res);
+	else	
+		OnCommand(cmd, res);	
+}
+
+void CHttplibServer::OnCommand(string cmd, Response & res)
+{
+	cmd += "Rcved";
+	res.set_content(cmd, "text/plain");
+}
+
+void CHttplibServer::OnDownloadFile(const Request& req, Response& res)
+{
+	if (m_SvrFilesDir.empty())
+		m_SvrFilesDir = GetExeDir() + SERVER_FILE_DIR;
+
+	string FileName = req.matches[1];
+	string file_path = m_SvrFilesDir+"/"+FileName;
+
+	if (!bFileExist(file_path))
+	{
+		res.status = 404;
+		res.set_content("File not found", "text/plain");
+		return;
+	}
+	res.set_file_content(file_path);
+	return;
+}
+
+void CHttplibServer::OnCommand_GetFileList(const Request& req, Response& res)
+{
+	if (m_SvrFilesDir.empty())
+		m_SvrFilesDir = GetExeDir() + SERVER_FILE_DIR;
+
+	vector<string> NameVec = get_file_names(m_SvrFilesDir);
+	string sRespon;
+	for (auto const & Name: NameVec)
+	{
+		sRespon += Name;
+		sRespon += ",";
+	}
+	res.set_content(sRespon, "text/plain");
+}
+
+vector<string> CHttplibServer::get_file_names(const string& Dir)
+{
+	vector<string> NamesVec;
+	string search_path = Dir + "\\*";
+	WIN32_FIND_DATAA find_data;
+	HANDLE hFind = FindFirstFileA(search_path.c_str(), &find_data);
+	if (hFind != INVALID_HANDLE_VALUE) {
+		do {
+			if (!(find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
+				NamesVec.push_back(find_data.cFileName);
+			}
+		} while (FindNextFileA(hFind, &find_data));
+		FindClose(hFind);
+	}
+	return NamesVec;
+}
+

server/HttplibServer.h

@@ -0,0 +1,29 @@
+#pragma once
+#include "../cpp-httplib/httplib.h"
+#include <string>
+#include <windows.h>
+#include <vector>
+
+using namespace std;
+using namespace httplib;
+
+class CHttplibServer
+{
+public:
+	CHttplibServer();
+	virtual ~CHttplibServer();
+	bool StartHttpServer(string  SvrFilesDir="",bool bAsync=true);
+	void SetFilesDir(string Dir) { m_SvrFilesDir = Dir; }
+private:
+	string	m_SvrFilesDir;//服务器文件所在文件夹
+	string   m_SvrIP = "0.0.0.0";
+	int        m_Port = 1234;
+public:
+	virtual void OnCommand(string cmd, Response& res);
+private:
+	void OnDownloadFile(const Request& req, Response& res);
+	void OnCommandBase(const Request& req, Response& res);
+	void OnCommand_GetFileList(const Request& req, Response& res);//获取服务器文件夹的所有文件名
+	vector<string> get_file_names(const string & Dir);//获取文件夹内的所有文件名
+};
+

server/server.cpp

@@ -1,75 +1,8 @@
-#include <iostream>
+#include "HttplibServer.h"
-#include <fstream>
-#include "../cpp-httplib/httplib.h"
-#include <filesystem>
-#include <vector>
-#include <string>
-#include <direct.h>
-#include <iostream>
 
-
+int main() 
-using namespace std;
-using namespace httplib;
-
-const string SERVER_FILE_DIR = "/ServerFiles/";
-
-string GetExeDir()
 {
-	char buff[_MAX_PATH];
+	CHttplibServer svr;
-	_getcwd(buff, _MAX_PATH);
+	svr.StartHttpServer();
-	string currPath(buff);
+	getchar();
-	return string(buff);
-}
-
-bool file_exists(const string& path) {
-	ifstream file(path, ios::binary);
-	return file.good();
-}
-
-void send_file(const string& file_path, Response& res) {
-	ifstream file(file_path, ios::binary | ios::ate);  
-	if (!file) {
-		res.status = 500;  // 服务器错误
-		res.set_content("Failed to open file", "text/plain");
-		return;
-	}
-
-	// 获取文件大小
-	streamsize file_size = file.tellg();
-	file.seekg(0, ios::beg); 
-
-	res.set_content_provider(
-		file_size, "application/octet-stream",
-		[file_path](size_t offset, size_t length, DataSink& sink) {
-		ifstream file(file_path, ios::binary);
-		if (!file) return false;
-
-		file.seekg(offset, ios::beg);
-		vector<char> buffer(length);
-		file.read(buffer.data(), length);
-		sink.write(buffer.data(), file.gcount());  // 发送数据
-
-		return true;  // 继续传输
-	}
-	);
-}
-
-int main() {
-	Server svr;
-
-	svr.Get(R"(/download/(.+))", [&](const Request& req, Response& res) {
-		string filename = req.matches[1];  
-		string file_path = GetExeDir()+SERVER_FILE_DIR + filename;
-
-		if (!file_exists(file_path)) {
-			res.status = 404;
-			res.set_content("File not found", "text/plain");
-			return;
-		}
-
-		send_file(file_path, res);
-	});
-
-	cout << "Server started at http://localhost:1234\n";
-	svr.listen("localhost", 1234);
 }

server/server.vcxproj

@@ -147,10 +147,12 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="HttplibServer.cpp" />
     <ClCompile Include="server.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\cpp-httplib\httplib.h" />
+    <ClInclude Include="HttplibServer.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

server/server.vcxproj.filters

@@ -18,10 +18,16 @@
     <ClCompile Include="server.cpp">
       <Filter>源文件</Filter>
     </ClCompile>
+    <ClCompile Include="HttplibServer.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\cpp-httplib\httplib.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="HttplibServer.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>