treender/server/src/server.cpp

120 lines
2.4 KiB
C++

#include "TcpSocket.hpp"
#include "NetConst.hpp"
#include "sql.hpp"
#include "values/DnaManager.hpp"
#include "checker.hpp"
#include <iostream>
#include <map>
#include <thread>
// use pthread rw_lock to lock db so you can safy clone .db file
// When a new client connected:
void call(int sock, sockaddr_in newSocketInfo)
{
std::string add = TcpSocket::remoteAddress(newSocketInfo);
printf("new: %s\n", add.c_str());
int64_t conf, id;
Message message;
TcpSocket::recvt(sock, &conf, sizeof(conf));
TcpSocket::recvt(sock, &id, sizeof(id));
if (conf != StartHeader)
{
printf("StartHeader ERROR\n");
TcpSocket::closet(sock);
return;
}
if (id == 0)
{
printf("ID ERROR\n");
TcpSocket::closet(sock);
return;
}
bool ok = true;
sqlite3 *db;
sqlite3_stmt *stmt;
int rc = sql::open(DB_NAME, &db);
if (rc)
{
fprintf(stderr, "Can't open database: %s\n", sql::errmsg(db));
ok = false;
}
sql::prepare_v2(db, max_gen, -1, &stmt, NULL);
sql::bind_int64(stmt, 1, id);
int64_t gen = 0;
while (sql::step(stmt) != SQL_DONE)
{
int num_cols = sql::column_count(stmt);
int type = sql::column_type(stmt, 0);
if (type == SQL_NULL)
break;
gen = sql::column_int64(stmt, 0);
gen++;
}
sql::finalize(stmt);
sql::prepare_v2(db, insert_data, -1, &stmt, NULL);
while (ok)
{
message.mess = Mess::REQ_SEND_GEN;
message.data = gen;
printf("requesting gen %ld\n", gen);
TcpSocket::sendt(sock, &message, sizeof(Message));
TcpSocket::recvt(sock, &message, sizeof(Message));
if (message.mess == Mess::RES_NO)
{
break;
}
std::vector<NetUnit> list;
list.resize(NUM_PER_GEN);
TcpSocket::recvt(sock, list.data(), NUM_PER_GEN * sizeof(NetUnit));
for (size_t i = 0; i < list.size(); i++)
{
sql::bind_int64(stmt, 1, id);
sql::bind_int64(stmt, 2, gen);
sql::bind_int64(stmt, 3, list[i].hash);
sql::bind_int64(stmt, 4, list[i].index);
sql::bind_int64(stmt, 5, list[i].liked);
sql::step(stmt);
sql::reset(stmt);
}
gen++;
}
sql::finalize(stmt);
sql::close(db);
printf("del\n");
TcpSocket::closet(sock);
}
int main()
{
sql::init();
std::thread t(checker);
// Bind the server to a port.
int err = TcpSocket::listent("0.0.0.0", 8888, call);
if (err < 0)
{
printf("ERROR %d", err);
return 0;
}
return 0;
}