787 lines
14 KiB
C++
787 lines
14 KiB
C++
#include "data.h"
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#include <string.h>
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#if OS_WIN
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#else
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#include <sys/fcntl.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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packet_data_base::packet_data_base() : pack_cmd_(0), pack_id_(0)
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, progress_notify_(PROGRESS_NOTIFYER()), user_data_(nullptr)
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{}
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packet_data_base::~packet_data_base()
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{}
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int packet_data_base::notify_progress(uint64_t total, uint64_t cur_size, uint32_t err)
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{
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if (progress_notify_)
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return progress_notify_(total, cur_size, err, user_data_);
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else
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return ENOENT;
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}
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void packet_data_base::set_packet_param(uint32_t cmd, uint32_t id)
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{
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pack_cmd_ = cmd;
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pack_id_ = id;
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}
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void packet_data_base::set_session_id(uint32_t session_id)
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{
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session_id_ = session_id;
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}
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int packet_data_base::get_packet_command(void)
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{
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return pack_cmd_;
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}
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int packet_data_base::get_packet_id(void)
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{
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return pack_id_;
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}
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uint32_t packet_data_base::get_session_id(void)
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{
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return session_id_;
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}
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void packet_data_base::set_progress_notify(PROGRESS_NOTIFYER notify, void* param)
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{
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progress_notify_ = notify;
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user_data_ = param;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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data_holder::data_holder()
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{}
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data_holder::~data_holder()
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{}
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void data_holder::cancel(void)
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{}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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mem_holder::mem_holder(size_t size) : space_(size)
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{
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buf_ = (uint8_t*)malloc(size);
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if (buf_)
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memset(buf_, 0, size);
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}
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mem_holder::~mem_holder()
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{
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if (buf_)
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free(buf_);
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buf_ = nullptr;
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}
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int mem_holder::put_data(const void* data, uint32_t* size)
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{
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if (*size > space_ - wpos_)
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*size = space_ - wpos_;
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memcpy(buf_ + wpos_, data, *size);
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wpos_ += *size;
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return 0;
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}
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bool mem_holder::is_complete(void)
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{
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return wpos_ >= space_;
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}
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uint32_t mem_holder::get_required(void)
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{
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if (wpos_ >= space_)
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return 0;
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else
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return space_ - wpos_;
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}
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size_t mem_holder::data_length(void)
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{
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return wpos_;
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}
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uint8_t* mem_holder::data(void)
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{
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return buf_;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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empty_holer::empty_holer(uint64_t size) : size_(size), put_(0)
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{}
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empty_holer::~empty_holer()
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{}
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int empty_holer::put_data(const void* data, uint32_t* size)
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{
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if (*size >= size_ - put_)
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{
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*size -= size_ - put_;
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put_ = size_;
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}
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else
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{
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put_ += *size;
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}
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notify_progress(size_, put_, 0);
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return 0;
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}
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bool empty_holer::is_complete(void)
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{
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return size_ == put_;
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}
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uint32_t empty_holer::get_required(void)
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{
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return size_ - put_;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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file_saver::file_saver(void) : size_(0), wrote_(0), path_(""), check_(""), dst_(nullptr), pack_cmd_(0), pack_id_(0)
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{}
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file_saver::~file_saver()
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{
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utils::to_log(LOG_LEVEL_DEBUG, "Write file(%s) over(%ld/%ld).\n", path_.c_str(), wrote_, size_);
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close();
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}
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void file_saver::close(void)
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{
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if (map_)
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map_->release();
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map_ = nullptr;
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if(dst_)
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fclose(dst_);
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dst_ = nullptr;
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size_ = wrote_ = pack_cmd_ = pack_id_ = 0;
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path_ = check_ = "";
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}
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int file_saver::set_verify_data(const char* data, size_t len)
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{
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if (data)
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check_ = std::string(data, len);
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else
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check_ = "";
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return 0;
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}
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int file_saver::open(const char* path, uint64_t size, bool in_mem, size_t off)
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{
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int err = 0;
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close();
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wrote_ = off;
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path_ = path;
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size_ = size;
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if (in_mem)
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{
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map_ = new file_map();
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err = map_->open(path, size, false);
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if (err || !map_->map())
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{
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map_->release();
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map_ = nullptr;
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}
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else
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return err;
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}
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err = utils::make_file_size(path, wrote_);
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dst_ = fopen(path, "ab+");
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if (dst_)
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{
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unsigned long long space = 0;
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std::string dir(path);
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size_t pos = dir.rfind(PATH_SEPARATOR[0]);
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if (pos != std::string::npos)
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dir.erase(pos);
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err = utils::get_disk_space(dir.c_str(), nullptr, &space, nullptr);
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if (err || space < size * 1.5)
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{
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fclose(dst_);
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dst_ = nullptr;
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remove(path);
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if (err == 0)
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err = ENOSPC;
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}
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}
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else
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{
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err = errno;
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}
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return err;
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}
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int file_saver::put_data(const void* data, uint32_t* size/*[in] - total bytes of data; [out] - used bytes*/)
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{
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if (!dst_)
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{
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if (map_)
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{
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// fix me: we consider whole file is all mapped in memory
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int w = *size > size_ - wrote_ ? size_ - wrote_ : *size;
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memcpy(map_->buffer() + wrote_, data, w);
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*size = w;
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wrote_ += w;
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notify_progress(size_, wrote_, 0);
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return 0;
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}
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return ENOENT;
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}
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int w = *size > size_ - wrote_ ? size_ - wrote_ : *size,
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real_w = fwrite(data, 1, w, dst_), // should handle error here !
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err = 0;
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*size = real_w;
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wrote_ += real_w;
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if(wrote_ >= size_)
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{
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fclose(dst_);
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dst_ = nullptr;
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}
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else if (real_w < w) // what happens ?
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{
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err = ferror(dst_);
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}
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notify_progress(size_, wrote_, err);
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return 0;
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}
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bool file_saver::is_complete(void)
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{
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return wrote_ >= size_;
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}
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uint32_t file_saver::get_required(void)
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{
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return size_ - wrote_;
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}
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void file_saver::cancel(void)
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{
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std::string discard(path_);
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utils::to_log(LOG_LEVEL_DEBUG, "Discard receiving file (%u/%u): '%s'.\n", wrote_, size_, path_.c_str());
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close();
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remove(discard.c_str());
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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data_source::data_source()
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{}
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data_source::~data_source()
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{}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// dyn_mem
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uint64_t dyn_mem::mem_used_bytes_ = 0;
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MUTEX dyn_mem::mem_lock_;
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dyn_mem::dyn_mem(size_t size) : buf_(nullptr), len_(0), space_(ALIGN_TO(size, 16))
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{
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buf_ = (uint8_t*)malloc(space_);
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if (buf_)
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{
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SIMPLE_LOCK(dyn_mem::mem_lock_);
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dyn_mem::mem_used_bytes_ += space_;
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memset(buf_, 0, space_);
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}
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}
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dyn_mem::dyn_mem(void* buf, size_t size) : buf_((uint8_t*)buf), space_(size), len_(size)
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{
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}
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dyn_mem::~dyn_mem()
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{
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if (buf_)
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{
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free(buf_);
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{
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SIMPLE_LOCK(dyn_mem::mem_lock_);
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dyn_mem::mem_used_bytes_ -= space_;
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}
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}
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}
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uint64_t dyn_mem::mem_used(void)
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{
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return dyn_mem::mem_used_bytes_;
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}
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dyn_mem_ptr dyn_mem::memory(size_t size)
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{
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return new dyn_mem(size);
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}
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uint32_t dyn_mem::space(void)
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{
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return space_;
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}
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bool dyn_mem::set_len(size_t len)
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{
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if (len > space_)
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return false;
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len_ = len;
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return true;
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}
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int dyn_mem::put(const void* data, int len)
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{
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if (len + len_ > space_)
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len = space_ - len;
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if (len > 0)
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{
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memcpy(buf_ + len_, data, len);
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len_ += len;
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}
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else
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len = 0;
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return len;
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}
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void* dyn_mem::detach(size_t* size)
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{
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void* buf = buf_;
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if (size)
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*size = space_;
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space_ = len_ = 0;
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buf_ = nullptr;
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return buf;
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}
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size_t dyn_mem::used(size_t len)
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{
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if (len >= len_)
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{
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len_ = 0;
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}
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else if (len)
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{
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memcpy(buf_, buf_ + len, len_ - len);
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len_ -= len;
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}
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return len_;
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}
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dyn_mem& dyn_mem::operator+=(dyn_mem& r)
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{
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if (len_ + r.get_rest() > space_)
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{
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size_t size = ALIGN_TO(len_ + r.get_rest(), 16);
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uint8_t* buf = (uint8_t*)malloc(size);
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memcpy(buf, buf_, len_);
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free(buf_);
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buf_ = buf;
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{
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SIMPLE_LOCK(dyn_mem::mem_lock_);
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dyn_mem::mem_used_bytes_ += size - space_;
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}
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space_ = size;
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}
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memcpy(buf_ + len_, r.buf_, r.get_rest());
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len_ += r.get_rest();
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return *this;
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}
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bool dyn_mem::is_memory_block(void)
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{
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return true;
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}
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uint32_t dyn_mem::get_rest(void)
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{
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return len_;
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}
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// following API valid when is_memory_block() return true
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uint8_t* dyn_mem::ptr(void)
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{
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return buf_;
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}
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// following API valid when is_memory_block() return false
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int dyn_mem::fetch_data(void* buf, uint32_t* size)
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{
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if (*size >= len_)
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{
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memcpy(buf, buf_, len_);
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*size = len_;
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len_ = 0;
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}
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else
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{
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memcpy(buf, buf_, *size);
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used(*size);
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}
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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file_reader::file_reader() : len_(0), src_(nullptr), path_(""), consume_(0)
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{}
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file_reader::~file_reader()
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{
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if(src_)
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fclose(src_);
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if (map_)
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map_->release();
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utils::to_log(LOG_LEVEL_DEBUG, "Read file(%s) over(%ld/%ld).\n", path_.c_str(), consume_, len_);
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}
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int file_reader::open(const char* file, bool in_mem, size_t off)
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{
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if(src_)
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fclose(src_);
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src_ = nullptr;
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consume_ = off;
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if (in_mem)
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{
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map_ = new file_map();
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if (map_->open(file, 0, true) || !map_->map())
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{
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map_->release();
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map_ = nullptr;
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}
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else
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{
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if (map_->total_size() <= off)
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{
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map_->release();
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map_ = nullptr;
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return EOVERFLOW;
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}
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path_ = file;
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len_ = map_->total_size();
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return 0;
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}
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}
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src_ = fopen(file, "rb");
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if(!src_)
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return errno;
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FSEEK(src_, 0, SEEK_END);
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len_ = FTELL(src_);
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FSEEK(src_, consume_, SEEK_SET);
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path_ = file;
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if (len_ <= consume_)
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{
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fclose(src_);
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src_ = nullptr;
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return EOVERFLOW;
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}
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return 0;
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}
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int file_reader::attach(FILE* f)
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{
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if (src_)
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{
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fclose(src_);
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src_ = nullptr;
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}
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if (map_)
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{
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map_->release();
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map_ = nullptr;
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}
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uint64_t cur = FTELL(f);
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FSEEK(f, 0, SEEK_END);
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len_ = FTELL(f);
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FSEEK(f, cur, SEEK_SET);
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if (len_ <= cur)
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return EINVAL;
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src_ = f;
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len_ -= cur;
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consume_ = 0;
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return 0;
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}
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FILE* file_reader::detach(void)
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{
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FILE* ret = src_;
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src_ = nullptr;
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len_ = 0;
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path_ = "";
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return ret;
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}
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bool file_reader::is_memory_block(void)
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{
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return map_ != nullptr;
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}
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uint32_t file_reader::get_rest(void)
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{
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return len_ - consume_;
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}
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// following API valid when is_memory_block() return true
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uint8_t* file_reader::ptr(void)
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{
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return map_ ? map_->buffer() : nullptr;
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}
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// following API valid when is_memory_block() return false
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int file_reader::fetch_data(void* buf, uint32_t* size)
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{
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if (!src_)
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{
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if (map_)
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{
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if (*size + consume_ >= len_)
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*size = len_ - consume_;
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memcpy(buf, map_->buffer() + consume_, *size);
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consume_ += *size;
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notify_progress(len_, consume_, 0);
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return 0;
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}
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return ENODATA;
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}
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size_t r = fread(buf, 1, *size, src_); // fix me if ERROR occurs !!!
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consume_ += r;
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*size = r;
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if (consume_ >= len_)
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{
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fclose(src_);
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src_ = nullptr;
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}
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notify_progress(len_, consume_, 0);
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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file_map::file_map()
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{
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utils::get_page_size(&os_map_size_);
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}
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file_map::~file_map()
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{
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close();
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}
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void file_map::unmap(void)
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{
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if (buf_)
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#if OS_WIN
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UnmapViewOfFile(buf_);
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#else
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munmap(buf_, map_size_);
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#endif
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buf_ = nullptr;
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map_off_ = map_size_ = off_ = 0;
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}
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|
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int file_map::open(const char* file, uint64_t size, bool readonly)
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{
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close();
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|
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std::string oper(readonly ? "open" : "create");
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#if OS_WIN
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HANDLE h = INVALID_HANDLE_VALUE;
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DWORD access = PAGE_READONLY;
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if (readonly)
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{
|
|
h = CreateFileA(file, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
}
|
|
else
|
|
{
|
|
access = PAGE_READWRITE;
|
|
h = CreateFileA(file, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
}
|
|
if (h == INVALID_HANDLE_VALUE)
|
|
{
|
|
utils::to_log(LOG_LEVEL_WARNING, "FileMapping: %s '%s' failed: %d\n", oper.c_str(), file, GetLastError());
|
|
return EFAULT;
|
|
}
|
|
|
|
if (readonly)
|
|
{
|
|
DWORD* hi = (DWORD*)&size + 1,
|
|
* lo = (DWORD*)&size;
|
|
*lo = GetFileSize(h, hi);
|
|
}
|
|
else
|
|
{
|
|
LONG lo = size & 0x0ffffffff,
|
|
hi = size >> 32;
|
|
DWORD ret = SetFilePointer(h, lo, &hi, FILE_BEGIN);
|
|
if (ret == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR)
|
|
{
|
|
CloseHandle(h);
|
|
remove(file);
|
|
utils::to_log(LOG_LEVEL_WARNING, "FileMapping: no space(%ld) for '%s'.\n", size, file);
|
|
|
|
return ENOSPC;
|
|
}
|
|
else
|
|
{
|
|
// write a byte to ensure map success
|
|
SetFilePointer(h, -1, NULL, FILE_CURRENT);
|
|
lo = 0;
|
|
WriteFile(h, &lo, 1, &ret, NULL);
|
|
}
|
|
}
|
|
map_ = CreateFileMappingA(h, NULL, access, 0, 0, NULL);
|
|
access = GetLastError();
|
|
CloseHandle(h);
|
|
if (!map_)
|
|
{
|
|
remove(file);
|
|
map_ = INVALID_HANDLE_VALUE;
|
|
utils::to_log(LOG_LEVEL_WARNING, "FileMapping: create mapping object for '%s' failed: %d.\n", file, access);
|
|
|
|
return EFAULT;
|
|
}
|
|
#else
|
|
if (readonly)
|
|
map_ = (HANDLE)::open(file, O_RDONLY, 0644);
|
|
else
|
|
{
|
|
int err = utils::make_file_size(file, size);
|
|
if(err)
|
|
{
|
|
utils::to_log(LOG_LEVEL_FATAL, "FileMapping: make file(%s) size(%ld) = %d\n", file, size, err);
|
|
return err;
|
|
}
|
|
map_ = (HANDLE)::open(file, O_RDWR, 0666);
|
|
utils::to_log(LOG_LEVEL_DEBUG, "FileMapping: open('%s', O_APPEND, 0666) = %p\n", file, map_);
|
|
}
|
|
if (map_ == INVALID_HANDLE_VALUE)
|
|
{
|
|
int err = errno;
|
|
|
|
if(!readonly)
|
|
remove(file);
|
|
utils::to_log(LOG_LEVEL_WARNING, "FileMapping: create mapping object for '%s' failed: %d.\n", file, err);
|
|
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
path_file_ = file;
|
|
total_ = size;
|
|
read_only_ = readonly;
|
|
|
|
return 0;
|
|
}
|
|
int file_map::close(void)
|
|
{
|
|
unmap();
|
|
|
|
if (map_ != INVALID_HANDLE_VALUE)
|
|
#if OS_WIN
|
|
CloseHandle(map_);
|
|
#else
|
|
::close((int)(long)map_);
|
|
#endif
|
|
|
|
map_ = INVALID_HANDLE_VALUE;
|
|
total_ = 0;
|
|
|
|
return 0;
|
|
}
|
|
uint64_t file_map::total_size(void)
|
|
{
|
|
return total_;
|
|
}
|
|
uint8_t* file_map::map(uint64_t off, uint32_t* size)
|
|
{
|
|
uint32_t len = 0;
|
|
|
|
unmap();
|
|
|
|
if (!size)
|
|
size = &len;
|
|
|
|
if (off < total_)
|
|
{
|
|
DWORD hi = 0,
|
|
lo = 0,
|
|
cnt = 0;
|
|
|
|
map_off_ = off / os_map_size_ * os_map_size_;
|
|
off_ = off - map_off_;
|
|
hi = map_off_ >> 32;
|
|
lo = map_off_;
|
|
cnt = total_ - map_off_;
|
|
if (cnt - off > *size && *size)
|
|
{
|
|
cnt = ALIGN_TO(*size + off, os_map_size_);
|
|
if(cnt > total_ - map_off_)
|
|
cnt = total_ - map_off_;
|
|
}
|
|
map_size_ = cnt;
|
|
#if OS_WIN
|
|
buf_ = (uint8_t*)MapViewOfFile(map_, read_only_ ? FILE_MAP_READ : FILE_MAP_READ | FILE_MAP_WRITE, hi, lo, map_size_);
|
|
#else
|
|
int priv = PROT_READ, prot = MAP_PRIVATE;
|
|
if (!read_only_)
|
|
{
|
|
priv |= PROT_WRITE;
|
|
prot = MAP_SHARED;
|
|
}
|
|
buf_ = (uint8_t*)mmap(nullptr, map_size_, priv, prot, (int)(long)map_, map_off_);
|
|
if(buf_ == INVALID_HANDLE_VALUE)
|
|
buf_ = nullptr;
|
|
#endif
|
|
if (!buf_)
|
|
{
|
|
utils::to_log(LOG_LEVEL_WARNING, "FileMapping: request map(%p + %u), real map(%p + %u) failed: %d\n"
|
|
, off, *size, map_off_, map_size_, GetLastError());
|
|
*size = 0;
|
|
}
|
|
else
|
|
*size = cnt - off;
|
|
}
|
|
|
|
return buf_ ? buf_ + off_ : nullptr;
|
|
}
|
|
uint8_t* file_map::buffer(void)
|
|
{
|
|
return buf_ ? buf_ + off_ : nullptr;
|
|
}
|