332 lines
9.6 KiB
C++
332 lines
9.6 KiB
C++
#include "client.h"
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#include <filesystem>
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#include <iostream>
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#include <of_path.h>
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#include <of_str.h>
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namespace fs = std::filesystem;
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constexpr int g_SendPoolNum = 1;
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CClient::CClient(const std::shared_ptr<spdlog::logger>& logger) : logger_(logger)
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{
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client_ = std::make_shared<CTcpClient>(io_context_, logger_);
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send_pool_ = std::make_shared<CThreadPool>(g_SendPoolNum);
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send_pool_->init();
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supported_.push_back("Get");
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}
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CClient::~CClient()
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{
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}
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void CClient::run(const std::string& ip, const std::string& port)
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{
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if (!client_->connect(ip, port)) {
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logger_->info("{} connect err.", __FUNCTION__);
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return;
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}
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client_->register_func([&](CFrameBuffer* buf) { handle_frame(buf); });
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client_->async_recv();
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std::thread thread([&]() { io_context_.run(); });
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logger_->warn("SupportCmd:Get|Up|Down|Cancel");
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char line[512]{};
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while (std::cin.getline(line, 512)) {
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std::string cmd_input(line);
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if (std::strstr(line, "end")) {
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break;
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}
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auto vec = COfStr::split(cmd_input, " ");
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if (vec.size() < 1) {
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logger_->error("input's invalid format.");
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continue;
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}
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std::string cmd{};
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std::string param{};
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if (vec.size() == 1) {
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cmd = vec[0];
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} else {
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cmd = vec[0];
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param = vec[1];
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}
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if (cmd == "Get") {
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get_task_list();
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continue;
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}
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if (cmd == "Down") {
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down_task(vec[1]);
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continue;
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}
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if (cmd == "Up") {
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up_task(cmd_input);
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continue;
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}
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if (cmd == "Cancel") {
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cancel_task();
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continue;
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}
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logger_->error("No matched cmd.");
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}
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client_->disconnect();
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thread.join();
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logger_->info("{} exit.", __FUNCTION__);
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}
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bool CClient::get_task_list()
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{
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std::shared_ptr<CFrameBuffer> buf = std::make_shared<CFrameBuffer>();
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buf->type_ = TYPE_GET_LIST;
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return send_frame(buf.get());
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}
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bool CClient::down_task(const std::string& param)
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{
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int id = std::stoi(param);
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if (!task_list_.count(id)) {
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logger_->error("No matched id[{}] in task list.", id);
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return false;
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}
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down_ = std::make_shared<TransInfomation>();
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const auto& vec = task_list_[id]->files;
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// 开始传输文件
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for (const auto& item : vec) {
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logger_->warn("Start Down => {}", item);
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down_one_file(task_list_[id]->id, item);
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}
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return true;
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}
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bool CClient::up_task(const std::string& cmd)
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{
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auto list = CFileOpr::get_file_list(cmd);
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std::string msg;
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for (const auto& item : list) {
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if (msg.empty()) {
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msg.append(item);
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} else {
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msg.append("|" + item);
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}
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}
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if (msg.empty()) {
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logger_->warn("{} msg empty.", __FUNCTION__);
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return false;
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}
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std::shared_ptr<CFrameBuffer> buf = std::make_shared<CFrameBuffer>();
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buf->type_ = TYPE_UP_LIST;
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buf->data_ = new char[msg.size() + 1];
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std::memset(buf->data_, 0x0, msg.size() + 1);
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buf->len_ = std::snprintf(buf->data_, msg.size() + 1, "%s", msg.data());
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return send_frame(buf.get());
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}
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bool CClient::cancel_task()
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{
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std::shared_ptr<CFrameBuffer> buf = std::make_shared<CFrameBuffer>();
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buf->type_ = TYPE_CANCEL_LIST;
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return send_frame(buf.get());
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}
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bool CClient::down_one_file(const std::string& id, const std::string& file)
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{
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down_->cur_remote_id_ = id;
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down_->cur_remote_file_ = file;
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fs::path remote_file(down_->cur_remote_file_);
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down_->cur_file_ = COfPath::to_full(remote_file.filename().string());
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// 请求下载文件
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std::shared_ptr<CFrameBuffer> buf = std::make_shared<CFrameBuffer>();
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buf->type_ = TYPE_OPEN_FILE;
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buf->tid_ = id;
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buf->data_ = new char[file.size() + 1];
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buf->len_ = std::snprintf(buf->data_, file.size() + 1, "%s", file.data());
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if (!send_frame(buf.get())) {
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logger_->error("{} request open file [{}] send failed.", __FUNCTION__);
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down_->cur_remote_id_.clear();
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down_->cur_remote_file_.clear();
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return false;
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}
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down_->trans_state_ = TRANS_REDAY;
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return true;
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}
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void CClient::cancel_trans_file(const std::string& key)
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{
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std::shared_ptr<TransInfomation> t = nullptr;
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if (key.empty()) {
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t = down_;
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} else {
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if (up_.count(key)) {
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t = up_[key];
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}
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}
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if (t == nullptr) {
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return;
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}
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t->trans_state_ = TRANS_FAILE;
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if (t->file_) {
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fclose(t->file_);
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if (key.empty()) {
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fs::remove(t->cur_file_);
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}
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}
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t->cur_remote_file_.clear();
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t->cur_remote_id_.clear();
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}
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bool CClient::send_frame(CFrameBuffer* buf)
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{
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char* out_buf{};
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int out_len{};
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if (!CTransProtocal::pack(buf, &out_buf, out_len)) {
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logger_->error("{} pack failed.", __FUNCTION__);
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return false;
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}
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if (!client_->send(out_buf, out_len)) {
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logger_->error("{} send failed.", __FUNCTION__);
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delete[] out_buf;
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return false;
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}
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delete[] out_buf;
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return true;
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}
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void CClient::handle_frame(CFrameBuffer* buf)
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{
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if (buf == nullptr) {
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logger_->error("{} nullptr.", __FUNCTION__);
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return;
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}
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switch (buf->type_) {
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case TYPE_GET_LIST: {
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task_list_.clear();
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std::string source(buf->data_, buf->len_);
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auto vec = COfStr::split(source, "\n");
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int index = -1;
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for (const auto& item : vec) {
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std::string real = COfStr::trim(item);
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if (real.empty()) {
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continue;
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}
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if (real.find("[") == std::string::npos) {
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logger_->info("FILE ==> {}", real);
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task_list_[index]->files.push_back(real);
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} else {
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auto a = real.find_first_of("[") + 1;
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auto b = real.find_first_of("]");
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std::string str_index = real.substr(a, b - a);
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index = std::stoi(str_index);
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std::string backup = real;
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backup.erase(0, b + 1);
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auto aa = backup.find_first_of("[") + 1;
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auto bb = backup.find_first_of("]");
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std::string id = backup.substr(aa, bb - aa);
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if (!task_list_.count(index)) {
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task_list_[index] = std::make_shared<DownClientInfo>();
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task_list_[index]->id = id;
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}
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logger_->debug("***********************************************");
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logger_->info("{}", real);
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}
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}
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break;
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}
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// （客户服务都不是指Server）如果是客户端啥也不干，服务端则开始发送数据
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case TYPE_READY_TRANS: {
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if (buf->mark_ != 0) {
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break;
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}
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work_key_ = buf->fid_;
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send_pool_->submit([&]() { send_file_data_th(); });
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break;
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}
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// 能接收到 TRANS 一定是客户端（这里不是指Server）
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case TYPE_TRANS_FILE: {
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auto ws = fwrite(buf->data_, 1, buf->len_, down_->file_);
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if (static_cast<int>(ws) != buf->len_) {
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logger_->warn("no matched write and data.");
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}
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break;
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}
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case TYPE_OPEN_FILE: {
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std::shared_ptr<TransInfomation> t = nullptr;
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std::string id = buf->fid_;
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if (buf->mark_ == 0) {
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std::lock_guard<std::mutex> lock(mutex_);
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up_[buf->fid_] = std::make_shared<TransInfomation>();
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t = up_[buf->fid_];
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t->cur_file_ = std::string(buf->data_, buf->len_);
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t->file_ = fopen(t->cur_file_.c_str(), "rb");
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} else {
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t = down_;
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t->file_ = fopen(t->cur_file_.c_str(), "wb");
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}
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if (t->file_ == nullptr) {
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logger_->error("open file {} failed.", t->cur_file_);
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cancel_trans_file(buf->mark_ == 0 ? id : "");
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break;
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}
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std::shared_ptr<CFrameBuffer> tmp = std::make_shared<CFrameBuffer>();
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tmp->type_ = TYPE_READY_TRANS;
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tmp->mark_ = buf->mark_ == 0 ? 1 : 0;
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tmp->tid_ = buf->fid_;
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if (!send_frame(tmp.get())) {
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logger_->error("TYPE_OPEN_FILE send ready failed.");
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cancel_trans_file(buf->mark_ == 0 ? id : "");
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}
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break;
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}
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case TYPE_TRANS_DONE: {
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logger_->warn("Trans done, close file {}.", down_->cur_file_);
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if (down_->file_) {
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fclose(down_->file_);
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down_->file_ = nullptr;
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}
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down_->trans_state_ = TRANS_DONE;
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break;
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}
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default:
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break;
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}
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}
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void CClient::send_file_data_th()
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{
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std::string str_key = work_key_;
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std::shared_ptr<TransInfomation> t = nullptr;
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{
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std::lock_guard<std::mutex> lock(mutex_);
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if (!up_.count(str_key)) {
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logger_->error("{} no matched key.", __FUNCTION__);
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return;
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}
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t = up_[str_key];
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}
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logger_->info("Start Trans File {} To {}", t->cur_file_, str_key);
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std::shared_ptr<CFrameBuffer> buf = std::make_shared<CFrameBuffer>();
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buf->type_ = TYPE_TRANS_FILE;
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buf->tid_ = str_key;
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buf->data_ = new char[g_BuffSize]{};
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buf->mark_ = 1;
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while (!feof(t->file_)) {
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buf->len_ = fread(buf->data_, 1, g_BuffSize, t->file_);
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if (!send_frame(buf.get())) {
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logger_->error("send_file_data_th send failed.");
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return;
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}
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}
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buf->type_ = TYPE_TRANS_DONE;
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if (!send_frame(buf.get())) {
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logger_->error("send_file_data_th send DONE failed.");
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}
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cancel_trans_file(str_key);
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logger_->debug("Trans File {} To {} Done !!!", t->cur_file_, str_key);
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}
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