Function receiveFile

Tactility/Source/network/HttpdReq.cpp:183–214

}

size_t receiveFile(httpd_req_t* request, size_t length, const std::string& filePath) {
    constexpr auto BUFFER_SIZE = 512;
    char buffer[BUFFER_SIZE];
    size_t bytes_received = 0;

    auto lock = file::getLock(filePath)->asScopedLock();
    lock.lock();

    auto* file = fopen(filePath.c_str(), "wb");
    if (file == nullptr) {
        LOGGER.error("Failed to open file for writing: {}", filePath);
        return 0;
    }

    while (bytes_received < length) {
        auto expected_chunk_size = std::min<size_t>(BUFFER_SIZE, length - bytes_received);
        size_t receive_chunk_size = httpd_req_recv(request, buffer, expected_chunk_size);
        if (receive_chunk_size <= 0) {
            LOGGER.error("Receive failed");
            break;
        }
        if (fwrite(buffer, 1, receive_chunk_size, file) != (size_t)receive_chunk_size) {
            LOGGER.error("Failed to write all bytes");
            break;
        }
        bytes_received += receive_chunk_size;
    }

    // Write file
    fclose(file);
    return bytes_received;
}

}