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优化tcp发送数据

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zhangsheng 2025-03-01 17:36:57 +08:00
parent b5038030c6
commit 5018130ea1
1 changed files with 41 additions and 30 deletions
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71
mainwindow.cpp
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@ -363,6 +363,7 @@ void MainWindow::OnButtonGroup(QAbstractButton * slot_btn)
Tachometer *tachometer = new Tachometer();
tachometer->setWindowModality(Qt::ApplicationModal);
tachometer->show();
}
}
if(slot_btn != NULL && ui->pushButton_alarm->isChecked()){
@ -483,54 +484,64 @@ void MainWindow::sendUpgradePackage(int slot)
// 读取文件内容
QByteArray fileData = file.readAll();
int fileSize = fileData.size();
qDebug() << "fileSize1" << fileSize;
fileSize = myHtonl(fileSize);
qDebug() << "fileSize2" << fileSize;
//fileSize = myHtonl(fileSize);
qDebug() << "fileSize" << fileSize <<endl;
// 创建 PackageHead 结构体
PackageHead header = { {0xAA, 0x55, 0xAA}, 3, fileSize,0,{} };
// 计算文件的 CRC 校验和
qDebug() << "filheader.file_md5" << slot <<endl;
UpgradeCardReq upgrade_car_req;
uint8_t card_id;
if(slot == 0)
upgrade_car_req.card_id = 0xFF;
card_id = 0xFF;
else
upgrade_car_req.card_id = slot & 0xFF;
card_id = slot & 0xFF;
header.crc = calculate_crc(upgrade_car_req.card_id,fileData);
header.len = fileSize;
qDebug() << "filheader.crc" << header.crc;
// 发送头部数据
QByteArray packet(reinterpret_cast<char*>(&header), sizeof(PackageHead));
//QByteArray packet(reinterpret_cast<char*>(&header), sizeof(PackageHead));
// 发送文件内容
socket.write(packet); // 发送头部
// socket.write(packet); // 发送头部
// socket.waitForBytesWritten();
// QByteArray packet2(reinterpret_cast<char*>(&upgrade_car_req), sizeof(UpgradeCardReq));
// socket.write(packet2); // 发送头部
// socket.waitForBytesWritten();
// socket.write(fileData); // 发送文件数据
// socket.waitForBytesWritten();
//QByteArray send_buf;
char *send_buf = NULL;
send_buf = (char *)malloc(sizeof(PackageHead) + sizeof(UpgradeCardReq) + fileData.size() + 1);
memset(send_buf,0,sizeof(PackageHead) + sizeof(UpgradeCardReq) + fileData.size() + 1);
memcpy(send_buf, &header, sizeof(PackageHead));
memcpy(send_buf + sizeof(PackageHead), &card_id, 1);
memcpy(send_buf + sizeof(PackageHead) + 1, fileData.data(), fileData.size());
socket.write(send_buf);
socket.waitForBytesWritten();
// 发送头部
// qDebug() << "File sent successfully";
// // 等待服务器响应（根据需要处理响应）
QByteArray packet2(reinterpret_cast<char*>(&upgrade_car_req), sizeof(UpgradeCardReq));
socket.write(packet2); // 发送头部
socket.waitForBytesWritten();
socket.write(fileData); // 发送文件数据
socket.waitForBytesWritten();
qDebug() << "File sent successfully";
// 等待服务器响应（根据需要处理响应）
if (socket.waitForReadyRead()) {
QByteArray response = socket.readAll();
UpgradeRsp resp;
QByteArray byteArray = response.mid(sizeof(PackageHead));
QDataStream stream(&byteArray, QIODevice::ReadOnly);
stream >> resp.code ;
if(resp.code == 1){
QMessageBox::information(this, QStringLiteral("提示"), "上传成功！");
}
qDebug() << "Server response: " << resp.code;
}
// if (socket.waitForReadyRead()) {
// QByteArray response = socket.readAll();
// UpgradeRsp resp;
// QByteArray byteArray = response.mid(sizeof(PackageHead));
// QDataStream stream(&byteArray, QIODevice::ReadOnly);
// stream >> resp.code ;
// if(resp.code == 1){
// QMessageBox::information(this, QStringLiteral("提示"), "上传成功！");
// }
// qDebug() << "Server response: " << resp.code;
// }
// 关闭文件和连接
file.close();
socket.disconnectFromHost();
if(send_buf != NULL)
free(send_buf);
}