Daodan/MSVC/Flatline_Net.c

#include "Flatline.h"
#include "Flatline_Server.h"


#define TRACK_PACKETS

/*thread */int UDPServer_Socket = 0;


bool NetUDPServer_Listen(uint16_t port, bool (*packet_callback)(char* data, int datalen, int from))
{
        sockaddr_in address;    
        UDPServer_Socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
        
        if (UDPServer_Socket < 0)
        {
                DDrConsole_PrintF("could not create socket");
                return false;
        }
        

        memset(&address, 0, sizeof(sockaddr_in));
        address.sin_family = AF_INET;
        address.sin_addr.s_addr = htonl(INADDR_ANY);
        address.sin_port = htons(port);
        
        if (bind(UDPServer_Socket, (sockaddr*)&address, sizeof(sockaddr_in)) < 0)
        {
                DDrConsole_PrintF("could not bind port %d", port);
                closesocket(UDPServer_Socket);
                return false;
        }
        else {


                char data[65537] = {0};
        
                sockaddr_in from;
                int recvlen;
                FLrServer_Initialize();
                for (;;)
                {
                        int fromlen = sizeof(sockaddr_in);
                        memset(&from, 0, sizeof(sockaddr_in));
                        recvlen = recvfrom(UDPServer_Socket, data, 65537 - 1, 0, (sockaddr*)&from, (void*)&fromlen);

                        if (!packet_callback(data, recvlen, ntohl(from.sin_addr.s_addr)))
                                break; 
                }
                closesocket(UDPServer_Socket);
                return true;
        }
}

bool NetUDPServer_Send(sockaddr* address, flatline_packet* data, int datalen)
{
        //DDrConsole_PrintF("Sending data size %u to %s on socket %i", datalen, inet_ntoa( ((sockaddr_in*)address)->sin_addr ), UDPServer_Socket);
        //data->FLATLINE = *(int*)"FLATLINE";
        return NetUDPSocket_Send(UDPServer_Socket, address, data, datalen);
}

int client_sock = 0;
sockaddr_in client_address;

int NetUDPSocket_Create(uint16_t port, sockaddr_in* address)
{
        int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);

                unsigned long nonBlocking = 1;
        if (sock < 0)
        {
                DDrConsole_PrintF("could not create socket");
                return -1;
        }
        

//      memset(&client_address, 0, sizeof(sockaddr_in));
        address->sin_family = AF_INET;
        address->sin_addr.s_addr = htonl(INADDR_ANY);
        address->sin_port =  htons(port);
        
        if (bind(sock, (sockaddr*)address, sizeof(sockaddr_in)) < 0)
        {
                DDrConsole_PrintF("could not bind port %d", port);
                return false;
        }
        

        if (ioctlsocket(sock, FIONBIO, &nonBlocking))
        {
                DDrConsole_PrintF("failed to set non-blocking socket");
                return false;
        }
        client_sock = sock;
        return sock;
}

int NetTCPSocket_Create(uint16_t port, sockaddr_in* address)
{
        int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

                unsigned long nonBlocking = 0;
        if (sock < 0)
        {
                DDrConsole_PrintF("could not create socket");
                return -1;
        }
        

//      memset(&client_address, 0, sizeof(sockaddr_in));
        //address->sin_family = AF_INET;
        //address->sin_addr.s_addr = INADDR_ANY;
        //address->sin_port =  htons(port);
        /*
        if (bind(sock, (sockaddr*)address, sizeof(sockaddr_in)) < 0)
        {
                DDrConsole_PrintF("could not bind port %d", port);
                return false;
        }
        
        /*
        if (ioctlsocket(sock, FIONBIO, &nonBlocking))
        {
                DDrConsole_PrintF("failed to set non-blocking socket");
                return false;
        }*/
        //client_sock = sock;
        return sock;
}

void NetUDPSocket_Close(int socket)
{
        closesocket(socket);
}

int NetUDPSocket_Send(int socket, const sockaddr* address, flatline_packet* data, int datalen)
{
        //currently only protects against duplicate packets.
        int addr_size;
        int sent_bytes;
#if 0 //#ifdef TRACK_PACKETS
        static uint32_t packet_index = 0;
        packet_index = (packet_index + 1);
        data->packet_index = packet_index;
#endif
        //data->FLATLINE = *(int*)"FLATLINE";
        switch (address->sa_family)
        {
                case AF_INET:
                        addr_size = sizeof(sockaddr_in);
                        break;
                case AF_INET6:
                        addr_size = sizeof(sockaddr_in6);
                        break;
                default:
                        addr_size = sizeof(sockaddr_storage);
        }
        sent_bytes = sendto(socket, data, datalen, 0, address, addr_size);

        if(sent_bytes == SOCKET_ERROR) {
                NetCatchError();
        }

        return sent_bytes;
}

#ifdef TRACK_PACKETS
uint32_t last_packet = -1;
#endif

bool NetUDPSocket_Recieve(int socket, sockaddr_storage* address, char* data, uint16_t* datalen)
{
        int address_size = sizeof(sockaddr_storage);
        uint32_t msg_size = recvfrom(socket, data, 1400, 0, (SOCKADDR *)address, &address_size);
        if (msg_size == 0)
                return false;
        else if (msg_size == SOCKET_ERROR) {
                int errorno = WSAGetLastError();
                if (errorno == WSAEWOULDBLOCK) return false; //no packets.
                else {
                        //DDrConsole_PrintF("Packet type %i", ((flatline_packet*)data)->id);
                        NetCatchError();
                        return false;
                }
        }
        *datalen = msg_size;                            
        return true;
        
}

DWORD WINAPI StartServer(void* lol){
        if(NetPlatform_Initalize() && FlatlineInitialize())
        {
                FLrServer_Run();
        }
        return 0;
} 

DWORD WINAPI StartClient(void* lol){
        //NetPlatform_Initalize();
        if(FlatlineInitialize())
        {
                FLrClient_Run((flatline_packet*)lol);
        }
        return 0;
} 
void NetCatchError(){
        char Message[1024];
        int errorno = WSAGetLastError();
        if(errno == WSAEWOULDBLOCK) {
                return;
        }
#ifdef WIN32

        FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS |
                FORMAT_MESSAGE_MAX_WIDTH_MASK, NULL, errorno,
                MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                (LPSTR) Message, 1024, NULL);
        DDrConsole_Print(Message);
#endif

}
Revision:	587
Committed:	Mon Feb 7 05:34:47 2011 UTC (14 years, 8 months ago) by gumby
Content type:	text/x-csrc
File size:	5280 byte(s)
Log Message:
#	Content
1	#include "Flatline.h"
2	#include "Flatline_Server.h"
3
4
5	#define TRACK_PACKETS
6
7	/thread /int UDPServer_Socket = 0;
8
9
10
11
12	bool NetUDPServer_Listen(uint16_t port, bool (packet_callback)(char data, int datalen, int from))
13	{
14	sockaddr_in address;
15	UDPServer_Socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
16
17	if (UDPServer_Socket < 0)
18	{
19	DDrConsole_PrintF("could not create socket");
20	return false;
21	}
22
23
24	memset(&address, 0, sizeof(sockaddr_in));
25	address.sin_family = AF_INET;
26	address.sin_addr.s_addr = htonl(INADDR_ANY);
27	address.sin_port = htons(port);
28
29	if (bind(UDPServer_Socket, (sockaddr*)&address, sizeof(sockaddr_in)) < 0)
30	{
31	DDrConsole_PrintF("could not bind port %d", port);
32	closesocket(UDPServer_Socket);
33	return false;
34	}
35	else {
36
37
38	char data[65537] = {0};
39
40	sockaddr_in from;
41	int recvlen;
42	FLrServer_Initialize();
43	for (;;)
44	{
45	int fromlen = sizeof(sockaddr_in);
46	memset(&from, 0, sizeof(sockaddr_in));
47	recvlen = recvfrom(UDPServer_Socket, data, 65537 - 1, 0, (sockaddr)&from, (void)&fromlen);
48
49	if (!packet_callback(data, recvlen, ntohl(from.sin_addr.s_addr)))
50	break;
51	}
52	closesocket(UDPServer_Socket);
53	return true;
54	}
55	}
56
57	bool NetUDPServer_Send(sockaddr* address, flatline_packet* data, int datalen)
58	{
59	//DDrConsole_PrintF("Sending data size %u to %s on socket %i", datalen, inet_ntoa( ((sockaddr_in*)address)->sin_addr ), UDPServer_Socket);
60	//data->FLATLINE = (int)"FLATLINE";
61	return NetUDPSocket_Send(UDPServer_Socket, address, data, datalen);
62	}
63
64	int client_sock = 0;
65	sockaddr_in client_address;
66
67	int NetUDPSocket_Create(uint16_t port, sockaddr_in* address)
68	{
69	int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
70
71	unsigned long nonBlocking = 1;
72	if (sock < 0)
73	{
74	DDrConsole_PrintF("could not create socket");
75	return -1;
76	}
77
78
79	// memset(&client_address, 0, sizeof(sockaddr_in));
80	address->sin_family = AF_INET;
81	address->sin_addr.s_addr = htonl(INADDR_ANY);
82	address->sin_port = htons(port);
83
84	if (bind(sock, (sockaddr*)address, sizeof(sockaddr_in)) < 0)
85	{
86	DDrConsole_PrintF("could not bind port %d", port);
87	return false;
88	}
89
90
91	if (ioctlsocket(sock, FIONBIO, &nonBlocking))
92	{
93	DDrConsole_PrintF("failed to set non-blocking socket");
94	return false;
95	}
96	client_sock = sock;
97	return sock;
98	}
99
100	int NetTCPSocket_Create(uint16_t port, sockaddr_in* address)
101	{
102	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
103
104	unsigned long nonBlocking = 0;
105	if (sock < 0)
106	{
107	DDrConsole_PrintF("could not create socket");
108	return -1;
109	}
110
111
112	// memset(&client_address, 0, sizeof(sockaddr_in));
113	//address->sin_family = AF_INET;
114	//address->sin_addr.s_addr = INADDR_ANY;
115	//address->sin_port = htons(port);
116	/*
117	if (bind(sock, (sockaddr*)address, sizeof(sockaddr_in)) < 0)
118	{
119	DDrConsole_PrintF("could not bind port %d", port);
120	return false;
121	}
122
123	/*
124	if (ioctlsocket(sock, FIONBIO, &nonBlocking))
125	{
126	DDrConsole_PrintF("failed to set non-blocking socket");
127	return false;
128	}*/
129	//client_sock = sock;
130	return sock;
131	}
132
133	void NetUDPSocket_Close(int socket)
134	{
135	closesocket(socket);
136	}
137
138	int NetUDPSocket_Send(int socket, const sockaddr* address, flatline_packet* data, int datalen)
139	{
140	//currently only protects against duplicate packets.
141	int addr_size;
142	int sent_bytes;
143	#if 0 //#ifdef TRACK_PACKETS
144	static uint32_t packet_index = 0;
145	packet_index = (packet_index + 1);
146	data->packet_index = packet_index;
147	#endif
148	//data->FLATLINE = (int)"FLATLINE";
149	switch (address->sa_family)
150	{
151	case AF_INET:
152	addr_size = sizeof(sockaddr_in);
153	break;
154	case AF_INET6:
155	addr_size = sizeof(sockaddr_in6);
156	break;
157	default:
158	addr_size = sizeof(sockaddr_storage);
159	}
160	sent_bytes = sendto(socket, data, datalen, 0, address, addr_size);
161
162	if(sent_bytes == SOCKET_ERROR) {
163	NetCatchError();
164	}
165
166	return sent_bytes;
167	}
168
169	#ifdef TRACK_PACKETS
170	uint32_t last_packet = -1;
171	#endif
172
173	bool NetUDPSocket_Recieve(int socket, sockaddr_storage* address, char* data, uint16_t* datalen)
174	{
175	int address_size = sizeof(sockaddr_storage);
176	uint32_t msg_size = recvfrom(socket, data, 1400, 0, (SOCKADDR *)address, &address_size);
177	if (msg_size == 0)
178	return false;
179	else if (msg_size == SOCKET_ERROR) {
180	int errorno = WSAGetLastError();
181	if (errorno == WSAEWOULDBLOCK) return false; //no packets.
182	else {
183	//DDrConsole_PrintF("Packet type %i", ((flatline_packet*)data)->id);
184	NetCatchError();
185	return false;
186	}
187	}
188	*datalen = msg_size;
189	return true;
190
191	}
192
193	DWORD WINAPI StartServer(void* lol){
194	if(NetPlatform_Initalize() && FlatlineInitialize())
195	{
196	FLrServer_Run();
197	}
198	return 0;
199	}
200
201	DWORD WINAPI StartClient(void* lol){
202	//NetPlatform_Initalize();
203	if(FlatlineInitialize())
204	{
205	FLrClient_Run((flatline_packet*)lol);
206	}
207	return 0;
208	}
209	void NetCatchError(){
210	char Message[1024];
211	int errorno = WSAGetLastError();
212	if(errno == WSAEWOULDBLOCK) {
213	return;
214	}
215	#ifdef WIN32
216
217	FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM \| FORMAT_MESSAGE_IGNORE_INSERTS \|
218	FORMAT_MESSAGE_MAX_WIDTH_MASK, NULL, errorno,
219	MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
220	(LPSTR) Message, 1024, NULL);
221	DDrConsole_Print(Message);
222	#endif
223
224	}