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socket.c
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socket.c
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#include "socket.h"
static int sendtoClient(int clientSocket,char *format, ...)
{
char buffer[1024];
bzero(buffer, 1024);
va_list aptr;
va_start(aptr, format);
vsprintf(buffer, format, aptr);
va_end(aptr);
send(clientSocket, buffer, strlen(buffer), 0);
logger(INFO,"Server: %s\n", buffer);
return EXIT_SUCCESS;
}
static int serverCreate(void *NEW_SOCKET)
{
serverInit_t* SOCKET = (serverInit_t*)NEW_SOCKET;
if ((SOCKET->socketValues.server_sock = socket(AF_INET, SOCK_STREAM, 0))< 0 )
{
logger(ERROR, "Socket Error\n");
return SOCKET_SERVER_CREATE_ERROR;
}
logger(DEBUG, "TCP server socket created.\n");
memset(&SOCKET->socketValues.server_addr, '\0', sizeof(struct sockaddr_in));
SOCKET->socketValues.server_addr.sin_family = AF_INET;
SOCKET->socketValues.server_addr.sin_port = htons(SOCKET->socketValues.port);
SOCKET->socketValues.server_addr.sin_addr.s_addr = inet_addr(SOCKET->socketValues.ip);
if ((bind(SOCKET->socketValues.server_sock, (struct sockaddr *)&SOCKET->socketValues.server_addr, sizeof(struct sockaddr_in))) < 0)
{
logger(ERROR, "Bind error\n");
return SOCKET_BIND_ERROR;
}
logger(INFO, "Bind to the port number: %d\n", SOCKET->socketValues.port);
listen(SOCKET->socketValues.server_sock, 10);
logger(INFO, "Listening...\n\n");
return SOCKET_SUCCESS;
}
static int serverListen(void *NEW_SOCKET,void(*DATA_PARSER)(char*))
{
serverInit_t* SOCKET = (serverInit_t*)NEW_SOCKET;
struct sockaddr_in client_addr;
socklen_t addr_size;
int client_sock;
char buffer[1024];
while (1)
{
addr_size = sizeof(client_addr);
client_sock = accept(SOCKET->socketValues.server_sock, (struct sockaddr *)&client_addr, &addr_size);
logger(INFO, "Client connected.\n");
bzero(buffer, 1024);
recv(client_sock, buffer, sizeof(buffer), 0);
logger(INFO, "Client: %s\n", buffer);
(*DATA_PARSER)(buffer);
//Send Client
//SOCKET->SendToClient(client_sock,"Hello World %d",12);
close(client_sock);
logger(INFO, "Client disconnected.\n\n");
}
logger(WARNING, "Server Closed");
close(SOCKET->socketValues.server_sock);
return SOCKET_SUCCESS;
}
static int serverClose(void *NEW_SOCKET)
{
serverInit_t* SOCKET = (serverInit_t*)NEW_SOCKET;
close(SOCKET->socketValues.server_sock);
return 0 ;
}
serverInit_t* NEW_SERVER_INIT(char* IP,int PORT)
{
serverInit_t* NEW_SOCKET = (serverInit_t*)calloc(1,sizeof(serverInit_t));
if (NEW_SOCKET == NULL)
{
printf("Allocation Error\n");
return NULL;
}
if ((strcmp(IP,"localhost") == 0 ) || (strcmp(IP,"LOCALHOST")) == 0 )
NEW_SOCKET->socketValues.ip = "127.0.0.1";
else if ((strcmp(IP,"public") == 0 ) || (strcmp(IP,"PUBLIC")) == 0)
NEW_SOCKET->socketValues.ip = "0.0.0.0";
else
NEW_SOCKET->socketValues.ip = IP;
NEW_SOCKET->socketValues.port = PORT;
NEW_SOCKET->Create = serverCreate;
NEW_SOCKET->Listen = serverListen;
NEW_SOCKET->Close = serverClose;
NEW_SOCKET->SendToClient = sendtoClient;
return NEW_SOCKET;
}
static int createClient(void* NEW_CLIENT)
{
clientInit_t* CLIENT = (clientInit_t*)NEW_CLIENT;
if ((CLIENT->socketValues.server_sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
logger(ERROR, "Socket error\n");
return SOCKET_CLIENT_CREATE_ERROR;
}
logger(DEBUG, "TCP client socket created.\n");
memset(&CLIENT->socketValues.server_addr, '\0', sizeof(struct sockaddr_in));
CLIENT->socketValues.server_addr.sin_family = AF_INET;
CLIENT->socketValues.server_addr.sin_port = htons(CLIENT->socketValues.port);
CLIENT->socketValues.server_addr.sin_addr.s_addr = inet_addr(CLIENT->socketValues.ip);
return SOCKET_SUCCESS;
}
static int sendtoServer(void* NEW_CLIENT,char *format, ...)
{
clientInit_t* CLIENT = (clientInit_t*)NEW_CLIENT;
if ( connect(CLIENT->socketValues.server_sock,(struct sockaddr *)&CLIENT->socketValues.server_addr, sizeof(struct sockaddr_in)) != SOCKET_SUCCESS )
{
logger(ERROR,"TCP Server Socket not Found\n");
return SOCKET_CONNECTION_ERROR;
}
char buffer[1024] = { 0 };
va_list aptr;
va_start(aptr, format);
vsprintf(buffer, format, aptr);
va_end(aptr);
send(CLIENT->socketValues.server_sock, buffer, strlen(buffer), 0);
logger(INFO,"Client: %s\n", buffer);
close(CLIENT->socketValues.server_sock);
logger(DEBUG,"Disconnected from the server.\n");
return SOCKET_SUCCESS;
}
clientInit_t* NEW_CLIENT_INIT(char* IP,int PORT)
{
clientInit_t* NEW_SOCKET = (clientInit_t*)calloc(1,sizeof(clientInit_t));
if (NEW_SOCKET == NULL)
{
printf("Allocation Error\n");
return NULL;
}
if ((strcmp(IP,"localhost") == 0 ) || (strcmp(IP,"LOCALHOST") == 0))
NEW_SOCKET->socketValues.ip = "127.0.0.1";
else if ((strcmp(IP,"public") == 0 ) || (strcmp(IP,"PUBLIC") == 0))
NEW_SOCKET->socketValues.ip = "0.0.0.0";
else
NEW_SOCKET->socketValues.ip = IP;
NEW_SOCKET->socketValues.port = PORT;
NEW_SOCKET->Create = createClient;
NEW_SOCKET->SendToServer = sendtoServer;
return NEW_SOCKET;
}