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sf_tcp_server_win.hpp
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/**
* @version 1.0.0
* @author skyfire
* @mail skyfireitdiy@hotmail.com
* @see http://github.com/skyfireitdiy/sflib
* @file sf_tcp_server_win.hpp
* sflib第一版本发布
* 版本号1.0.0
* 发布日期：2018-10-22
*/
#pragma once
#include "sf_tcp_server_win.h"
#include "sf_tcp_client_interface.hpp"
#include "sf_logger.hpp"
namespace skyfire {
inline SOCKET sf_tcp_server::get_raw_socket() {
return listen_sock__;
}
inline void sf_tcp_server::server_work_thread__(LPVOID completion_port_id) {
auto completion_port = (HANDLE) completion_port_id;
DWORD bytesTransferred;
sf_per_handle_data_t *p_handle_data = nullptr;
sf_per_io_operation_data_t *p_io_data = nullptr;
DWORD tmp_int = 0;
DWORD flags = 0;
while (true) {
int result = GetQueuedCompletionStatus(completion_port, &bytesTransferred, (PULONG_PTR) &p_handle_data,
(LPOVERLAPPED *) &p_io_data, WSA_INFINITE);
if (exit_flag__) {
if (p_handle_data != nullptr) {
closed(p_handle_data->socket);
delete p_handle_data;
delete p_io_data;
sock_data_buffer__.erase(p_handle_data->socket);
}
break;
}
if (result == 0) {
if (p_handle_data != nullptr) {
closed(p_handle_data->socket);
delete p_handle_data;
delete p_io_data;
sock_data_buffer__.erase(p_handle_data->socket);
}
continue;
}
if (p_handle_data == nullptr || p_io_data == nullptr) {
if(p_handle_data)
{
closed(p_handle_data->socket);
}
delete p_handle_data;
delete p_io_data;
continue;
}
if (bytesTransferred == 0) {
closed(p_handle_data->socket);
delete p_handle_data;
delete p_io_data;
continue;
}
if (p_io_data->is_send) {
p_io_data->data_trans_count += bytesTransferred;
if (p_io_data->data_trans_count != p_io_data->buffer.size()) {
ZeroMemory(&p_io_data->overlapped, sizeof(p_io_data->overlapped));
p_io_data->wsa_buffer.buf = p_io_data->buffer.data() + p_io_data->data_trans_count;
p_io_data->wsa_buffer.len = p_io_data->buffer.size() - p_io_data->data_trans_count;
tmp_int = 0;
if (WSASend(p_handle_data->socket, &(p_io_data->wsa_buffer), 1, &tmp_int, 0,
&(p_io_data->overlapped),
nullptr) == SOCKET_ERROR) {
if (WSAGetLastError() != ERROR_IO_PENDING) {
closed(p_handle_data->socket);
delete p_handle_data;
delete p_io_data;
continue;
}
}
}
else
{
// 释放资源，否则会有内存泄露
delete p_io_data;
}
} else {
p_io_data->data_trans_count = bytesTransferred;
p_io_data->buffer.resize(bytesTransferred);
if (raw__) {
sf_debug("recv raw",p_io_data->buffer.size());
raw_data_coming(p_handle_data->socket, p_io_data->buffer);
} else {
sf_pkg_header_t header{};
sock_data_buffer__[p_handle_data->socket].insert(
sock_data_buffer__[p_handle_data->socket].end(),
p_io_data->buffer.begin(),
p_io_data->buffer.end());
size_t read_pos = 0;
while (sock_data_buffer__[p_handle_data->socket].size() - read_pos >= sizeof(sf_pkg_header_t)) {
memmove_s(&header, sizeof(header),
sock_data_buffer__[p_handle_data->socket].data() + read_pos,
sizeof(header));
if (!check_header_checksum(header)) {
close(p_handle_data->socket);
break;
}
if (sock_data_buffer__[p_handle_data->socket].size() - read_pos - sizeof(header) >=
header.length) {
data_coming(
p_handle_data->socket,
header,
byte_array(
sock_data_buffer__[p_handle_data->socket].begin() + read_pos +
sizeof(header),
sock_data_buffer__[p_handle_data->socket].begin() + read_pos +
sizeof(header) + header.length)
);
read_pos += sizeof(header) + header.length;
} else {
break;
}
}
if (read_pos != 0) {
sock_data_buffer__[p_handle_data->socket].erase(
sock_data_buffer__[p_handle_data->socket].begin(),
sock_data_buffer__[p_handle_data->socket].begin() + read_pos);
}
}
ZeroMemory(&(p_io_data->overlapped), sizeof(p_io_data->overlapped));
p_io_data->buffer.resize(SF_NET_BUFFER_SIZE);
p_io_data->data_trans_count = 0;
p_io_data->is_send = false;
p_io_data->wsa_buffer.buf = p_io_data->buffer.data();
p_io_data->wsa_buffer.len = SF_NET_BUFFER_SIZE;
flags = 0;
if (WSARecv(p_handle_data->socket, &(p_io_data->wsa_buffer), 1, &tmp_int, &flags,
&(p_io_data->overlapped), nullptr) == SOCKET_ERROR) {
if (WSAGetLastError() != ERROR_IO_PENDING) {
closed(p_handle_data->socket);
delete p_handle_data;
delete p_io_data;
continue;
}
}
}
}
}
inline sf_tcp_server::sf_tcp_server(bool raw) {
DWORD ret;
WSADATA wsa_data{};
if (WSAStartup(MAKEWORD(2, 2), &wsa_data) != 0) {
return;
}
SYSTEM_INFO sys_info{};
GetSystemInfo(&sys_info);
thread_count__ = static_cast<int>(sys_info.dwNumberOfProcessors * 2 + 2);
inited__ = true;
raw__ = raw;
}
inline bool sf_tcp_server::listen(const std::string &ip, unsigned short port) {
if (!inited__) {
return false;
}
exit_flag__ = false;
DWORD ret;
completion_port__ = CreateIoCompletionPort(INVALID_HANDLE_VALUE, nullptr, 0, 0);
if (completion_port__ == nullptr) {
close();
return false;
}
for (auto i : sf_range(thread_count__)) {
std::thread([=] { server_work_thread__(completion_port__); }).detach();
}
listen_sock__ = WSASocket(AF_INET, SOCK_STREAM, 0, nullptr, 0, WSA_FLAG_OVERLAPPED);
if (listen_sock__ == INVALID_SOCKET) {
close();
return false;
}
int op = 1;
if(SOCKET_ERROR == setsockopt(listen_sock__,
SOL_SOCKET,
SO_REUSEADDR,
reinterpret_cast<char*>(&op),
sizeof(op))){
return false;
}
sockaddr_in internet_addr{};
internet_addr.sin_family = AF_INET;
internet_addr.sin_addr.s_addr = inet_addr(ip.c_str());
internet_addr.sin_port = htons(port);
if (SOCKET_ERROR ==
::bind(listen_sock__, reinterpret_cast<sockaddr *>(&internet_addr), sizeof(internet_addr))) {
close();
return false;
}
if (::listen(listen_sock__, SOMAXCONN) == SOCKET_ERROR) {
close();
return false;
}
std::thread([=]() {
while (true) {
SOCKET accept_socket;
sockaddr_in addr;
int addr_len = sizeof(addr);
accept_socket = WSAAccept(listen_sock__, nullptr, nullptr, nullptr, 0);
if (accept_socket == INVALID_SOCKET) {
break;
}
new_connection(accept_socket);
auto *p_handle_data = new sf_per_handle_data_t;
p_handle_data->socket = accept_socket;
if (CreateIoCompletionPort((HANDLE) accept_socket, completion_port__,
(ULONG_PTR) p_handle_data, 0) == nullptr) {
break;
}
auto *p_io_data = new sf_per_io_operation_data_t;
ZeroMemory(&(p_io_data->overlapped), sizeof(p_io_data->overlapped));
p_io_data->data_trans_count = 0;
p_io_data->buffer.resize(SF_NET_BUFFER_SIZE);
p_io_data->is_send = false;
p_io_data->wsa_buffer.buf = p_io_data->buffer.data();
p_io_data->wsa_buffer.len = SF_NET_BUFFER_SIZE;
DWORD tmp_int = 0;
DWORD flags = 0;
if (WSARecv(accept_socket, &(p_io_data->wsa_buffer), 1, &tmp_int, &flags, &(p_io_data->overlapped),
nullptr) ==
SOCKET_ERROR) {
if (WSAGetLastError() != ERROR_IO_PENDING) {
delete p_handle_data;
delete p_io_data;
continue;
}
}
}
}).detach();
return true;
}
inline std::shared_ptr<sf_tcp_server> sf_tcp_server::make_server(bool raw) {
return std::make_shared<sf_tcp_server>(raw);
}
inline void sf_tcp_server::close() {
exit_flag__ = true;
if (completion_port__ != nullptr) {
for (auto i : sf_range(thread_count__)) {
PostQueuedCompletionStatus(completion_port__, 0, 0, nullptr);
}
CloseHandle(completion_port__);
completion_port__ = INVALID_HANDLE_VALUE;
}
sock_data_buffer__.clear();
if (listen_sock__ != INVALID_SOCKET) {
shutdown(listen_sock__,SD_BOTH);
closesocket(listen_sock__);
listen_sock__ = INVALID_SOCKET;
}
}
inline void sf_tcp_server::close(SOCKET sock) {
shutdown(sock,SD_BOTH);
::closesocket(sock);
}
inline bool sf_tcp_server::send(SOCKET sock, int type, const byte_array &data) {
DWORD sendBytes;
sf_pkg_header_t header;
header.type = type;
header.length = data.size();
make_header_checksum(header);
auto p_io_data = new sf_per_io_operation_data_t;
ZeroMemory(&(p_io_data->overlapped), sizeof(p_io_data->overlapped));
p_io_data->buffer = make_pkg(header) + data;
p_io_data->data_trans_count = 0;
p_io_data->is_send = true;
p_io_data->wsa_buffer.buf = p_io_data->buffer.data();
p_io_data->wsa_buffer.len = p_io_data->buffer.size();
if (WSASend(sock, &(p_io_data->wsa_buffer), 1, &sendBytes, 0, &(p_io_data->overlapped),
nullptr) == SOCKET_ERROR) {
if (WSAGetLastError() != ERROR_IO_PENDING) {
delete p_io_data;
return false;
}
}
return true;
}
inline bool sf_tcp_server::send(SOCKET sock, const byte_array &data) {
DWORD sendBytes;
auto p_io_data = new sf_per_io_operation_data_t;
ZeroMemory(&(p_io_data->overlapped), sizeof(p_io_data->overlapped));
p_io_data->buffer = data;
p_io_data->data_trans_count = 0;
p_io_data->is_send = true;
p_io_data->wsa_buffer.buf = p_io_data->buffer.data();
p_io_data->wsa_buffer.len = p_io_data->buffer.size();
if (WSASend(sock, &(p_io_data->wsa_buffer), 1, &sendBytes, 0, &(p_io_data->overlapped),
nullptr) == SOCKET_ERROR) {
if (WSAGetLastError() != ERROR_IO_PENDING) {
delete p_io_data;
return false;
}
}
return true;
}
inline sf_tcp_server::~sf_tcp_server() {
close();
WSACleanup();
}
}