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mirror of https://github.com/yse/easy_profiler.git synced 2024-12-28 01:04:41 +08:00

Refactoring of sockets

This commit is contained in:
Sergey Yagovtsev 2016-09-19 23:59:55 +03:00
parent 0ca2a4aef7
commit 38eecc722d
2 changed files with 165 additions and 206 deletions

View File

@ -40,6 +40,13 @@ along with this program.If not, see <http://www.gnu.org/licenses/>.
class PROFILER_API EasySocket
{
public:
#ifdef _WIN32
typedef SOCKET socket_t;
#else
typedef int socket_t;
#endif
enum ConnectionState
{
CONNECTION_STATE_UNKNOWN,
@ -49,13 +56,12 @@ public:
};
private:
void checkResult(int result);
#ifdef _WIN32
typedef SOCKET socket_t;
#else
typedef int socket_t;
#endif
void checkResult(int result);
bool checkSocket(socket_t s) const;
static int _close(socket_t s);
void setBlocking(socket_t s, bool blocking);
socket_t m_socket = 0;
socket_t m_replySocket = 0;

View File

@ -18,60 +18,171 @@ along with this program.If not, see <http://www.gnu.org/licenses/>.
#include "profiler/easy_socket.h"
#include <string.h>
#ifndef _WIN32
#include <strings.h>
#ifdef _WIN32
#pragma comment (lib, "Ws2_32.lib")
#pragma comment (lib, "Mswsock.lib")
#pragma comment (lib, "AdvApi32.lib")
#else
#include <errno.h>
#include <sys/ioctl.h>
#endif
bool EasySocket::checkSocket(socket_t s) const
{
return s > 0;
}
int EasySocket::_close(EasySocket::socket_t s)
{
#ifdef _WIN32
return ::closesocket(s);
#else
//TODO
//return close(s);
#endif
}
void EasySocket::setBlocking(EasySocket::socket_t s, bool blocking)
{
#ifdef _WIN32
u_long iMode = blocking ? 0 : 1;//0 - blocking, 1 - non blocking
ioctlsocket(s, FIONBIO, &iMode);
#else
const int iMode = blocking ? 0 : 1;//0 - blocking, 1 - non blocking
ioctl(s, FIONBIO, (char *)&iMode);
#endif
}
int EasySocket::bind(uint16_t portno)
{
if(m_socket < 0 ) return -1;
if (!checkSocket(m_socket)) return -1;
struct sockaddr_in serv_addr;
bzero((char *) &serv_addr, sizeof(serv_addr));
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = INADDR_ANY;
serv_addr.sin_port = htons(portno);
return ::bind(m_socket, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
auto res = ::bind(m_socket, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
return res;
}
void EasySocket::flush()
{
if (m_socket){
close(m_socket);
_close(m_socket);
}
if (m_replySocket != m_socket){
close(m_replySocket);
_close(m_replySocket);
}
#ifdef _WIN32
m_socket = 0;
m_replySocket = 0;
#endif
}
void EasySocket::checkResult(int result)
{
// printf("Errno: %s\n", strerror(errno));
if(result >= 0){
m_state = CONNECTION_STATE_SUCCESS;
return;
}else if(result == -1){
int error_code = 0;
#ifdef _WIN32
error_code = WSAGetLastError();
const int CONNECTION_ABORTED = WSAECONNABORTED;
const int CONNECTION_RESET = WSAECONNRESET;
#else
error_code = errno;
const int CONNECTION_ABORTED = ECONNABORTED;
const int CONNECTION_RESET = ECONNRESET;
#endif
switch(error_code)
{
case CONNECTION_ABORTED:
case CONNECTION_RESET:
m_state = CONNECTION_STATE_DISCONNECTED;
break;
default:
break;
}
}
}
void EasySocket::init()
{
m_socket = socket(AF_INET, SOCK_STREAM, 0);
if (wsaret == 0)
{
int protocol = 0;
#ifdef _WIN32
protocol = IPPROTO_TCP;
#endif
m_socket = socket(AF_INET, SOCK_STREAM, protocol);
if (!checkSocket(m_socket)) {
return;
}
}else
return;
setBlocking(m_socket,true);
int opt = 1;
setsockopt(m_socket, SOL_SOCKET, SO_REUSEADDR, (const char *)&opt, sizeof(opt));
}
EasySocket::EasySocket()
{
#ifdef _WIN32
WSADATA wsaData;
wsaret = WSAStartup(0x101, &wsaData);
#else
wsaret = 0;
#endif
init();
#ifndef _WIN32
wsaret = 1;
#endif
}
EasySocket::~EasySocket()
{
flush();
#ifdef _WIN32
if (wsaret == 0)
WSACleanup();
#endif
}
int EasySocket::send(const void *buf, size_t nbyte)
{
if(m_replySocket <= 0) return -1;
int res = ::write(m_replySocket,buf,nbyte);
if(!checkSocket(m_replySocket)) return -1;
int res = 0;
#ifdef _WIN32
res = ::send(m_replySocket, (const char*)buf, nbyte, 0);
#else
res = ::write(m_replySocket,buf,nbyte);
#endif
checkResult(res);
return res;
}
int EasySocket::receive(void *buf, size_t nbyte)
{
if(m_replySocket <= 0) return -1;
int res = ::read(m_replySocket,buf,nbyte);
if(!checkSocket(m_replySocket)) return -1;
int res = 0;
#ifdef _WIN32
res = ::recv(m_replySocket, (char*)buf, nbyte, 0);
#else
res = ::read(m_replySocket,buf,nbyte);
#endif
checkResult(res);
if (res == 0){
m_state = CONNECTION_STATE_DISCONNECTED;
@ -81,7 +192,7 @@ int EasySocket::receive(void *buf, size_t nbyte)
int EasySocket::listen(int count)
{
if(m_socket < 0 ) return -1;
if(!checkSocket(m_socket)) return -1;
int res = ::listen(m_socket,count);
checkResult(res);
return res;
@ -89,30 +200,28 @@ int EasySocket::listen(int count)
int EasySocket::accept()
{
if(m_socket < 0 ) return -1;
if(!checkSocket(m_socket)) return -1;
m_replySocket = ::accept(m_socket,nullptr,nullptr);
checkResult(m_replySocket);
if(checkSocket(m_replySocket))
{
int send_buffer = 64*1024*1024;
int send_buffer_sizeof = sizeof(int);
setsockopt(m_replySocket, SOL_SOCKET, SO_SNDBUF, (char*)&send_buffer, send_buffer_sizeof);
//int flag = 1;
//int result = setsockopt(m_replySocket,IPPROTO_TCP,TCP_NODELAY,(char *)&flag,sizeof(int));
//setBlocking(m_replySocket,true);
}
return m_replySocket;
}
bool EasySocket::setAddress(const char *serv, uint16_t portno)
{
server = gethostbyname(serv);
if (server == NULL) {
return false;
//fprintf(stderr,"ERROR, no such host\n");
}
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)server->h_addr,
(char *)&serv_addr.sin_addr.s_addr,
server->h_length);
serv_addr.sin_port = htons(portno);
#ifndef _WIN32
#include <strings.h>
#include <errno.h>
return true;
}
int EasySocket::connect()
{
@ -134,137 +243,26 @@ int EasySocket::connect()
}
return res;
}
#include <string.h>
void EasySocket::checkResult(int result)
{
if(result >= 0){
m_state = CONNECTION_STATE_SUCCESS;
return;
}else if(result == -1){
//printf("Errno: %s\n", strerror(errno));
switch(errno){
case ECONNABORTED:
case ECONNRESET:
m_state = CONNECTION_STATE_DISCONNECTED;
break;
default:
break;
}
bool EasySocket::setAddress(const char *serv, uint16_t portno)
{
server = gethostbyname(serv);
if (server == NULL) {
return false;
//fprintf(stderr,"ERROR, no such host\n");
}
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)server->h_addr,
(char *)&serv_addr.sin_addr.s_addr,
server->h_length);
serv_addr.sin_port = htons(portno);
return true;
}
#else
#pragma comment (lib, "Ws2_32.lib")
#pragma comment (lib, "Mswsock.lib")
#pragma comment (lib, "AdvApi32.lib")
void EasySocket::checkResult(int result)
{
if (result >= 0){
m_state = CONNECTION_STATE_SUCCESS;
return;
}
else if (result == -1){
int error_code = WSAGetLastError();
//printf("Errno: %s\n", strerror(errno));
switch (error_code){
case WSAECONNABORTED:
case WSAECONNRESET:
m_state = CONNECTION_STATE_DISCONNECTED;
break;
default:
break;
}
}
}
void EasySocket::flush()
{
if (m_socket){
closesocket(m_socket);
}
if (m_replySocket != m_socket){
closesocket(m_replySocket);
}
m_socket = INVALID_SOCKET;
m_replySocket = INVALID_SOCKET;
}
void EasySocket::init()
{
if (wsaret == 0)
{
m_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);;
if (m_socket == INVALID_SOCKET) {
return;
}
}
u_long iMode = 0;//0 - blocking, 1 - non blocking
ioctlsocket(m_socket, FIONBIO, &iMode);
int opt = 1;
setsockopt(m_socket, SOL_SOCKET, SO_REUSEADDR, (const char *)&opt, sizeof(opt));
}
EasySocket::EasySocket()
{
// socket
WSADATA wsaData;
wsaret = WSAStartup(0x101, &wsaData);
init();
}
EasySocket::~EasySocket()
{
flush();
if (wsaret == 0)
WSACleanup();
}
int EasySocket::send(const void *buf, size_t nbyte)
{
if (m_replySocket <= 0){
return -1;
}
int res = ::send(m_replySocket, (const char*)buf, nbyte, 0);
checkResult(res);
return res;
}
#include <stdio.h>
int EasySocket::receive(void *buf, size_t nbyte)
{
if (m_replySocket <= 0){
return -1;
}
int res = ::recv(m_replySocket, (char*)buf, nbyte, 0);
checkResult(res);
if (res == 0){
m_state = CONNECTION_STATE_DISCONNECTED;
}
/**
if (res == SOCKET_ERROR)
{
LPWSTR *s = NULL;
int err = WSAGetLastError();
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPWSTR)&s, 0, NULL);
printf("%S\n", s);
LocalFree(s);
}
/**/
return res;
}
bool EasySocket::setAddress(const char *serv, uint16_t portno)
{
ZeroMemory(&hints, sizeof(hints));
@ -307,49 +305,4 @@ int EasySocket::connect()
return iResult;
}
int EasySocket::listen(int count)
{
if (m_socket < 0) return -1;
int res = ::listen(m_socket, count);
checkResult(res);
return res;
}
int EasySocket::accept()
{
if (m_socket < 0) return -1;
m_replySocket = ::accept(m_socket, nullptr, nullptr);
int send_buffer = 64 * 1024*1024; // 64 MB
int send_buffer_sizeof = sizeof(int);
setsockopt(m_replySocket, SOL_SOCKET, SO_SNDBUF, (char*)&send_buffer, send_buffer_sizeof);
//int flag = 1;
//int result = setsockopt(m_replySocket,IPPROTO_TCP,TCP_NODELAY,(char *)&flag,sizeof(int));
u_long iMode = 0;//0 - blocking, 1 - non blocking
ioctlsocket(m_replySocket, FIONBIO, &iMode);
return (int)m_replySocket;
}
int EasySocket::bind(uint16_t portno)
{
if (m_socket < 0) return -1;
struct sockaddr_in serv_addr;
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = INADDR_ANY;
serv_addr.sin_port = htons(portno);
auto res = ::bind(m_socket, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
if (res == SOCKET_ERROR)
{
printf("bind failed with error %u\n", WSAGetLastError());
return -1;
}
return res;
}
#endif