Files
BH-Bookstore-2023/backend/src/builtin-cli.cpp

94 lines
3.0 KiB
C++

#include "builtin-cli.h"
#include <cassert>
#include <iostream>
#include "bs-utility.h"
#include "schedule.h"
void BookStoreMain(bool is_server, std::string config_dir) {
if (!is_server) {
int cnt = 0;
BlockingStringStream input;
BlockingStringStream output;
BookStoreBackEndClass backend(config_dir, &input, &output);
std::thread backend_thread([&backend]() { backend.Run(); });
input.readlock();
input << "#OpenSession INNERCLI\n";
input.unreadlock();
std::string SessionToken, AuthenticationKey, tmp;
output.getline(tmp);
output >> SessionToken >> AuthenticationKey;
// debugPrint("SessionToken=", SessionToken,
// " AuthenticationKey=", AuthenticationKey);
std::string cmd;
output.getline(tmp);
while (getline(std::cin, cmd)) {
if (cmd == "quit" || cmd == "exit") {
input.readlock();
input << "#CloseSession " << SessionToken << ' ' << AuthenticationKey
<< '\n';
input << "#ShutDownSystem\n";
input.unreadlock();
backend_thread.join();
return;
}
input.readlock();
input << "#Request " << SessionToken << " I-T-D" << ++cnt << " "
<< AuthenticationKey << ' ' << cmd << '\n';
assert(input.internalStream.peek() != EOF);
input.unreadlock();
assert(input.is_writing == false);
debugPrint("Sent Request ", cnt, " cmd=", cmd);
std::string SessionToken;
std::string OperationToken;
int LineCounter;
output >> SessionToken >> OperationToken >> LineCounter;
debugPrint("Get the Head of response id=", OperationToken,
" LineCounter=", LineCounter);
// debugPrint("Get SessionToken=", SessionToken,
// " OperationToken=", OperationToken,
// " LineCounter=", LineCounter);
output.getline(tmp);
for (int i = 0; i < LineCounter; i++) {
output.getline(tmp);
std::cout << tmp << std::endl;
// std::cerr << tmp << std::endl;
debugPrint(tmp);
}
// std::cout.flush();
}
input.readlock();
input << "#CloseSession " << SessionToken << ' ' << AuthenticationKey
<< '\n';
input << "#ShutDownSystem\n";
input.unreadlock();
backend_thread.join();
return;
} else {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout.rdbuf(nullptr);
BlockingStringStream input;
BlockingStringStream output;
BookStoreBackEndClass backend(config_dir, &input, &output);
std::thread backend_thread([&backend]() { backend.Run(); });
std::thread input_thread([&input]() {
std::string data;
while (std::getline(std::cin, data)) {
input.readlock();
input << data << '\n';
input.unreadlock();
}
});
std::thread output_thread([&output]() {
std::string data;
while (true) {
output.getline(data, '\n');
std::cout << data << std::endl;
}
});
input_thread.join();
output_thread.join();
backend_thread.join();
}
}