Es++ Class: SocketDatagram
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Source code
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*
*
* SocketDatagram.h
*
*****************************************************************************/
#pragma once
#include <es++/Socket.h>
namespace Es {
class SocketDatagram :public Es::Socket {
public:
/**
*
*/
SocketDatagram(ADDRESS_FAMILY family=INET)
:Es::Socket(family, DATAGRAM, IPPROTO_UDP)
{
}
SocketDatagram(const addrinfo& info)
:Es::Socket(info)
{
}
SocketDatagram(const addrinfo* info)
:Es::Socket(info)
{
}
public:
/**
* Given socket from caller, and simply set it to a member of this class
*/
SocketDatagram(int soc)
:Es::Socket()
{
setSocket(soc);
}
public:
/**
*
*/
~SocketDatagram()
{
}
public:
/**
*
*/
int enableBroadcast() {
int enable = 1;
return setOption(SO_BROADCAST, (char*)enable, sizeof(enable));
}
public:
/**
*
*/
int sendTo(SockAddrInet& to, const char* buf, int len, int flag=0) {
int rc = 0;
if (buf && len>0) {
int soc = getSocket();
rc = ::sendto(soc, buf, len, flag, to.getAddress(), to.getSize());
}
return rc;
}
public:
int recvFrom(SockAddrInet& from, char* buf, int len, int flag=0) {
int rc =0;
if (buf && len>0) {
int soc = getSocket();
socklen_t fromLen= from.getSize();
rc = ::recvfrom(soc, buf, len, flag,
from.getAddress(), &fromLen);
buf[len-1] = '\0';
if (rc >0 && rc<len) {
buf[rc] = '\0'; //Terminate by NULL.
}
}
return rc;
}
public:
int recvFrom(char* buf, int len, int flag=0) {
int rc =0;
if (buf && len >0) {
int soc = getSocket();
rc = ::recvfrom(soc, buf, len, flag, NULL, NULL);
buf[len-1] = '\0';
if (rc >0 && rc<len) {
buf[rc] = '\0'; //Terminate by NULL.
}
}
return rc;
}
public:
int replyTo(SockAddrInet& to, const char* buf, int len, int flag=0) {
int rc = 0;
if (buf && len>0) {
int soc = getSocket();
rc = ::sendto(soc, buf, len, flag,
to.getAddress(), to.getSize());
}
return rc;
}
public:
int replyTo(const char* buf, int len, int flag=0) {
int rc = 0;
if (buf && len>0) {
int soc = getSocket();
rc = ::sendto(soc, buf, len, flag,
NULL, 0);
}
return rc;
}
};
}
Last modified: 27 July 2017
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