Network support.

git-svn-id: svn://svn.code.sf.net/p/hxcfloppyemu/code/HxCFloppyEmulator/libhxcadaptor/trunk@1930 63fa2f70-6a9b-4bc4-b855-9c6a949b1d69

libhxcadaptor/sources/libhxcadaptor.h

@@ -86,6 +86,13 @@ int hxc_getpathfolder( char * fullpath, char * folder, int type );
 int hxc_checkfileext( char * path, char *ext, int type );
 int hxc_getfilesize( char * path );
 
+/////////////// Network functions ////////////////
+
+void * network_connect(char * address,unsigned short port);
+int network_read(void * network_connection, unsigned char * buffer, int size,int timeout);
+int network_write(void * network_connection, unsigned char * buffer, int size,int timeout);
+int network_close(void * network_connection);
+
 #ifdef __cplusplus
 }
 #endif

libhxcadaptor/sources/network.c

@@ -0,0 +1,205 @@
+/*
+//
+// Copyright (C) 2006-2020 Jean-François DEL NERO
+//
+// This file is part of the HxCFloppyEmulator library
+//
+// HxCFloppyEmulator may be used and distributed without restriction provided
+// that this copyright statement is not removed from the file and that any
+// derivative work contains the original copyright notice and the associated
+// disclaimer.
+//
+// HxCFloppyEmulator is free software; you can redistribute it
+// and/or modify  it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// HxCFloppyEmulator is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+//   See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with HxCFloppyEmulator; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+//
+*/
+///////////////////////////////////////////////////////////////////////////////////
+//-------------------------------------------------------------------------------//
+//-------------------------------------------------------------------------------//
+//-----------H----H--X----X-----CCCCC----22222----0000-----0000------11----------//
+//----------H----H----X-X-----C--------------2---0----0---0----0--1--1-----------//
+//---------HHHHHH-----X------C----------22222---0----0---0----0-----1------------//
+//--------H----H----X--X----C----------2-------0----0---0----0-----1-------------//
+//-------H----H---X-----X---CCCCC-----222222----0000-----0000----1111------------//
+//-------------------------------------------------------------------------------//
+//----------------------------------------------------- http://hxc2001.free.fr --//
+///////////////////////////////////////////////////////////////////////////////////
+// File    : network.c
+// Contains: Network support layer.
+//
+// Written by: Jean-François DEL NERO
+//
+// Change History (most recent first):
+///////////////////////////////////////////////////////////////////////////////////
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <time.h>
+
+#include <stdint.h>
+
+#ifdef	WIN32
+#include <winsock2.h>
+#include <Ws2tcpip.h>
+#include <windows.h>
+#include <commctrl.h>
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+
+#define INVALID_SOCKET -1
+#define SOCKET_ERROR -1
+#define closesocket(s) close (s)
+typedef int SOCKET;
+typedef struct sockaddr_in SOCKADDR_IN;
+typedef struct sockaddr SOCKADDR;
+#include <unistd.h>
+#include <dirent.h>
+
+#ifdef	OSX
+#	include <mach-o/dyld.h>
+#endif
+
+#endif
+
+#include "network.h"
+#include "libhxcfe.h"
+#include "libhxcadaptor.h"
+
+void * network_connect(char * address,unsigned short port)
+{
+	hxc_tcp_stat * tcp_stat;
+#ifdef WIN32
+	int iResult;
+#endif
+
+	tcp_stat = malloc(sizeof(hxc_tcp_stat));
+	if(tcp_stat)
+	{
+		memset(tcp_stat,0,sizeof(hxc_tcp_stat));
+
+#ifdef WIN32
+		iResult = WSAStartup(MAKEWORD(2,2), &tcp_stat->wsaData);
+		if (iResult != NO_ERROR)
+		{
+			free(tcp_stat);
+			return (void*)NULL;
+		}
+#endif
+
+		tcp_stat->m_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+		if (tcp_stat->m_socket == INVALID_SOCKET)
+		{
+#ifdef WIN32
+			WSACleanup();
+#endif
+			free(tcp_stat);
+			return (void*)NULL;
+		}
+
+		tcp_stat->clientService.sin_family = AF_INET;
+		tcp_stat->clientService.sin_addr.s_addr = inet_addr(address);
+		tcp_stat->clientService.sin_port = htons(port);
+
+		if (connect(tcp_stat->m_socket, (SOCKADDR*)&tcp_stat->clientService, sizeof(tcp_stat->clientService)) == SOCKET_ERROR)
+		{
+#ifdef WIN32
+			WSACleanup();
+#endif
+			free(tcp_stat);
+			return (void*)NULL;
+		}
+
+		return (void*)tcp_stat;
+	}
+
+	return (void*)NULL;
+}
+
+int network_read(void * network_connection, unsigned char * buffer, int size,int timeout)
+{
+	int bytesRecv;
+	int offset;
+	hxc_tcp_stat * tcp_stat;
+
+	tcp_stat = (hxc_tcp_stat *)network_connection;
+
+	offset=0;
+
+	while(offset < size)
+	{
+		bytesRecv = recv(tcp_stat->m_socket, (char*)&buffer[offset], size - offset, 0);
+		if(bytesRecv == SOCKET_ERROR)
+		{
+			return -1;
+		}
+		else
+		{
+			offset += bytesRecv;
+		}
+	}
+
+	return size;
+}
+
+int network_write(void * network_connection, unsigned char * buffer, int size,int timeout)
+{
+	int bytesSent;
+	int offset;
+	hxc_tcp_stat * tcp_stat;
+
+	tcp_stat = (hxc_tcp_stat *)network_connection;
+
+	offset = 0;
+	while(offset < size)
+	{
+		bytesSent = send(tcp_stat->m_socket, (char*)&buffer[offset], size - offset, 0);
+		if(bytesSent == SOCKET_ERROR)
+		{
+			return -1;
+		}
+		else
+		{
+			offset += bytesSent;
+		}
+	}
+
+	return size;
+}
+
+int network_close(void * network_connection)
+{
+	hxc_tcp_stat * tcp_stat;
+
+	tcp_stat = (hxc_tcp_stat *)network_connection;
+
+	closesocket (tcp_stat->m_socket);
+
+#ifdef WIN32
+	WSACleanup();
+#endif
+	free(tcp_stat);
+
+	return 0;
+}

libhxcadaptor/sources/network.h

@@ -0,0 +1,9 @@
+
+typedef struct hxc_tcp_stat_
+{
+#ifdef WIN32
+	WSADATA wsaData;
+#endif
+	struct sockaddr_in clientService;
+	SOCKET m_socket;
+}hxc_tcp_stat;