mirror of
https://github.com/ShaYmez/P25Clients.git
synced 2024-11-21 19:55:22 -05:00
IPv6 cleanups.
This commit is contained in:
parent
59dd67a952
commit
27501ccdb3
@ -1,6 +1,6 @@
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CC = gcc
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CXX = g++
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CFLAGS = -g -O3 -Wall -std=c++0x -pthread
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CC = cc
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CXX = c++
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CFLAGS = -g -O3 -Wall -DHAVE_LOG_H -std=c++0x -pthread
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LIBS = -lpthread
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LDFLAGS = -g
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@ -169,7 +169,10 @@ void CP25Gateway::run()
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sockaddr_storage rptAddr;
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unsigned int rptAddrLen;
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CUDPSocket::lookup(m_conf.getRptAddress(), m_conf.getRptPort(), rptAddr, rptAddrLen);
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if (CUDPSocket::lookup(m_conf.getRptAddress(), m_conf.getRptPort(), rptAddr, rptAddrLen) != 0) {
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LogError("Unable to resolve the address of the host");
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return;
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}
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CUDPSocket* remoteSocket = NULL;
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if (m_conf.getRemoteCommandsEnabled()) {
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@ -83,10 +83,17 @@ bool CReflectors::load()
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std::string host = std::string(p2);
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unsigned int port = (unsigned int)::atoi(p3);
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sockaddr_storage addr;
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unsigned int addrLen;
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if (CUDPSocket::lookup(host, port, addr, addrLen) == 0) {
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CP25Reflector* refl = new CP25Reflector;
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refl->m_id = (unsigned int)::atoi(p1);
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CUDPSocket::lookup(host, port, refl->m_addr, refl->m_addrLen);
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refl->m_addr = addr;
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refl->m_addrLen = addrLen;
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m_reflectors.push_back(refl);
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} else {
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LogWarning("Unable to resolve the address of %s", host.c_str());
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}
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}
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}
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@ -111,10 +118,17 @@ bool CReflectors::load()
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std::string host = std::string(p2);
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unsigned int port = (unsigned int)::atoi(p3);
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sockaddr_storage addr;
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unsigned int addrLen;
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if (CUDPSocket::lookup(host, port, addr, addrLen) == 0) {
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CP25Reflector* refl = new CP25Reflector;
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refl->m_id = id;
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CUDPSocket::lookup(host, port, refl->m_addr, refl->m_addrLen);
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refl->m_addr = addr;
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refl->m_addrLen = addrLen;
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m_reflectors.push_back(refl);
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} else {
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LogWarning("Unable to resolve the address of %s", host.c_str());
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}
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}
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}
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}
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@ -127,20 +141,34 @@ bool CReflectors::load()
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// Add the Parrot entry
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if (m_parrotPort > 0U) {
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sockaddr_storage addr;
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unsigned int addrLen;
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if (CUDPSocket::lookup(m_parrotAddress, m_parrotPort, addr, addrLen) == 0) {
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CP25Reflector* refl = new CP25Reflector;
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refl->m_id = 10U;
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CUDPSocket::lookup(m_parrotAddress, m_parrotPort, refl->m_addr, refl->m_addrLen);
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refl->m_addr = addr;
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refl->m_addrLen = addrLen;
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m_reflectors.push_back(refl);
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LogInfo("Loaded P25 parrot (TG%u)", refl->m_id);
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} else {
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LogWarning("Unable to resolve the address of the Parrot");
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}
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}
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// Add the P252DMR entry
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if (m_p252dmrPort > 0U) {
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sockaddr_storage addr;
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unsigned int addrLen;
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if (CUDPSocket::lookup(m_p252dmrAddress, m_p252dmrPort, addr, addrLen) == 0) {
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CP25Reflector* refl = new CP25Reflector;
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refl->m_id = 20U;
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CUDPSocket::lookup(m_p252dmrAddress, m_p252dmrPort, refl->m_addr, refl->m_addrLen);
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refl->m_addr = addr;
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refl->m_addrLen = addrLen;
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m_reflectors.push_back(refl);
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LogInfo("Loaded P252DMR (TG%u)", refl->m_id);
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} else {
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LogWarning("Unable to resolve the address of P252DMR");
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}
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}
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size = m_reflectors.size();
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@ -17,7 +17,6 @@
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*/
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#include "UDPSocket.h"
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#include "Log.h"
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#include <cassert>
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@ -26,26 +25,36 @@
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#include <cstring>
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#endif
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#if defined(HAVE_LOG_H)
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#include "Log.h"
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#else
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#define LogError(fmt, ...) ::fprintf(stderr, fmt "\n", ## __VA_ARGS__)
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#define LogInfo(fmt, ...) ::fprintf(stderr, fmt "\n", ## __VA_ARGS__)
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#endif
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CUDPSocket::CUDPSocket(const std::string& address, unsigned int port) :
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m_address(address),
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m_port(port),
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m_fd(-1)
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m_address_save(address),
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m_port_save(port),
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m_counter(0U)
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{
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assert(!address.empty());
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#if defined(_WIN32) || defined(_WIN64)
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WSAData data;
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int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data);
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if (wsaRet != 0)
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LogError("Error from WSAStartup");
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#endif
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for (int i = 0; i < UDP_SOCKET_MAX; i++) {
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m_address[i] = "";
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m_port[i] = 0U;
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m_af[i] = 0U;
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m_fd[i] = -1;
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}
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}
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CUDPSocket::CUDPSocket(unsigned int port) :
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m_address(),
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m_port(port),
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m_fd(-1)
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m_address_save(),
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m_port_save(port),
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m_counter(0U)
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{
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#if defined(_WIN32) || defined(_WIN64)
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WSAData data;
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@ -53,6 +62,12 @@ m_fd(-1)
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if (wsaRet != 0)
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LogError("Error from WSAStartup");
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#endif
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for (int i = 0; i < UDP_SOCKET_MAX; i++) {
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m_address[i] = "";
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m_port[i] = 0U;
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m_af[i] = 0U;
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m_fd[i] = -1;
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}
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}
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CUDPSocket::~CUDPSocket()
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@ -96,40 +111,64 @@ int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_
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return 0;
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}
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bool CUDPSocket::match(const sockaddr_storage& addr1, const sockaddr_storage& addr2)
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bool CUDPSocket::match(const sockaddr_storage& addr1, const sockaddr_storage& addr2, IPMATCHTYPE type)
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{
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if (addr1.ss_family != addr2.ss_family)
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return false;
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if (type == IMT_ADDRESS_AND_PORT) {
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switch (addr1.ss_family) {
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case AF_INET:
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struct sockaddr_in *in_1, *in_2;
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in_1 = (struct sockaddr_in*)&addr1;
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in_2 = (struct sockaddr_in*)&addr2;
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return ((in_1->sin_addr.s_addr == in_2->sin_addr.s_addr) && (in_1->sin_port == in_2->sin_port));
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return (in_1->sin_addr.s_addr == in_2->sin_addr.s_addr) && (in_1->sin_port == in_2->sin_port);
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case AF_INET6:
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struct sockaddr_in6 *in6_1, *in6_2;
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in6_1 = (struct sockaddr_in6*)&addr1;
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in6_2 = (struct sockaddr_in6*)&addr2;
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return (IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr) && (in6_1->sin6_port == in6_2->sin6_port));
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return IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr) && (in6_1->sin6_port == in6_2->sin6_port);
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default:
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return false;
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}
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} else if (type == IMT_ADDRESS_ONLY) {
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switch (addr1.ss_family) {
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case AF_INET:
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struct sockaddr_in *in_1, *in_2;
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in_1 = (struct sockaddr_in*)&addr1;
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in_2 = (struct sockaddr_in*)&addr2;
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return in_1->sin_addr.s_addr == in_2->sin_addr.s_addr;
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case AF_INET6:
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struct sockaddr_in6 *in6_1, *in6_2;
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in6_1 = (struct sockaddr_in6*)&addr1;
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in6_2 = (struct sockaddr_in6*)&addr2;
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return IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr);
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default:
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return false;
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}
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} else {
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return false;
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}
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}
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bool CUDPSocket::isnone(const sockaddr_storage& addr)
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bool CUDPSocket::isNone(const sockaddr_storage& addr)
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{
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struct sockaddr_in *in = (struct sockaddr_in *)&addr;
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return ((addr.ss_family == AF_INET) && (in->sin_addr.s_addr == htonl(INADDR_NONE)));
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}
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bool CUDPSocket::open()
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bool CUDPSocket::open(const sockaddr_storage& address)
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{
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return open(AF_UNSPEC);
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return open(address.ss_family);
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}
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bool CUDPSocket::open(const unsigned int af)
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bool CUDPSocket::open(unsigned int af)
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{
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return open(0, af, m_address_save, m_port_save);
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}
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bool CUDPSocket::open(const unsigned int index, const unsigned int af, const std::string& address, const unsigned int port)
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{
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sockaddr_storage addr;
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unsigned int addrlen;
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@ -140,14 +179,14 @@ bool CUDPSocket::open(const unsigned int af)
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hints.ai_family = af;
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/* to determine protocol family, call lookup() first. */
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int err = lookup(m_address, m_port, addr, addrlen, hints);
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int err = lookup(address, port, addr, addrlen, hints);
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if (err != 0) {
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LogError("The local address is invalid - %s", m_address.c_str());
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LogError("The local address is invalid - %s", address.c_str());
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return false;
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}
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m_fd = ::socket(addr.ss_family, SOCK_DGRAM, 0);
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if (m_fd < 0) {
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int fd = ::socket(addr.ss_family, SOCK_DGRAM, 0);
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if (fd < 0) {
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#if defined(_WIN32) || defined(_WIN64)
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LogError("Cannot create the UDP socket, err: %lu", ::GetLastError());
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#else
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@ -156,9 +195,14 @@ bool CUDPSocket::open(const unsigned int af)
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return false;
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}
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if (m_port > 0U) {
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m_address[index] = address;
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m_port[index] = port;
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m_af[index] = addr.ss_family;
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m_fd[index] = fd;
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if (port > 0U) {
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int reuse = 1;
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if (::setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
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if (::setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
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#if defined(_WIN32) || defined(_WIN64)
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LogError("Cannot set the UDP socket option, err: %lu", ::GetLastError());
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#else
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@ -167,7 +211,7 @@ bool CUDPSocket::open(const unsigned int af)
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return false;
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}
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if (::bind(m_fd, (sockaddr*)&addr, addrlen) == -1) {
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if (::bind(fd, (sockaddr*)&addr, addrlen) == -1) {
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#if defined(_WIN32) || defined(_WIN64)
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LogError("Cannot bind the UDP address, err: %lu", ::GetLastError());
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#else
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@ -176,7 +220,7 @@ bool CUDPSocket::open(const unsigned int af)
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return false;
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}
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LogInfo("Opening UDP port on %u", m_port);
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LogInfo("Opening UDP port on %u", port);
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}
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return true;
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@ -188,30 +232,43 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
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assert(length > 0U);
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// Check that the readfrom() won't block
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fd_set readFds;
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FD_ZERO(&readFds);
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#if defined(_WIN32) || defined(_WIN64)
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FD_SET((unsigned int)m_fd, &readFds);
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#else
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FD_SET(m_fd, &readFds);
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#endif
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int i, n;
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struct pollfd pfd[UDP_SOCKET_MAX];
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for (i = n = 0; i < UDP_SOCKET_MAX; i++) {
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if (m_fd[i] >= 0) {
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pfd[n].fd = m_fd[i];
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pfd[n].events = POLLIN;
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n++;
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}
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}
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// no socket descriptor to receive
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if (n == 0)
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return 0;
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// Return immediately
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timeval tv;
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tv.tv_sec = 0L;
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tv.tv_usec = 0L;
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int ret = ::select(m_fd + 1, &readFds, NULL, NULL, &tv);
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#if defined(_WIN32) || defined(_WIN64)
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int ret = WSAPoll(pfd, n, 0);
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#else
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int ret = ::poll(pfd, n, 0);
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#endif
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if (ret < 0) {
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#if defined(_WIN32) || defined(_WIN64)
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LogError("Error returned from UDP select, err: %lu", ::GetLastError());
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LogError("Error returned from UDP poll, err: %lu", ::GetLastError());
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#else
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LogError("Error returned from UDP select, err: %d", errno);
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LogError("Error returned from UDP poll, err: %d", errno);
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#endif
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return -1;
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}
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if (ret == 0)
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int index;
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for (i = 0; i < n; i++) {
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// round robin
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index = (i + m_counter) % n;
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if (pfd[index].revents & POLLIN)
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break;
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}
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if (i == n)
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return 0;
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#if defined(_WIN32) || defined(_WIN64)
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@ -221,9 +278,9 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
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#endif
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#if defined(_WIN32) || defined(_WIN64)
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int len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
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int len = ::recvfrom(pfd[index].fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
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#else
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ssize_t len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
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ssize_t len = ::recvfrom(pfd[index].fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
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#endif
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if (len <= 0) {
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#if defined(_WIN32) || defined(_WIN64)
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@ -234,6 +291,7 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
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return -1;
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}
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m_counter++;
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address_length = size;
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return len;
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}
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@ -243,36 +301,52 @@ bool CUDPSocket::write(const unsigned char* buffer, unsigned int length, const s
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assert(buffer != NULL);
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assert(length > 0U);
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bool result = false;
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for (int i = 0; i < UDP_SOCKET_MAX; i++) {
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if (m_fd[i] < 0 || m_af[i] != address.ss_family)
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continue;
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#if defined(_WIN32) || defined(_WIN64)
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int ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&address, address_length);
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int ret = ::sendto(m_fd[i], (char *)buffer, length, 0, (sockaddr *)&address, address_length);
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#else
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ssize_t ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&address, address_length);
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ssize_t ret = ::sendto(m_fd[i], (char *)buffer, length, 0, (sockaddr *)&address, address_length);
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#endif
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if (ret < 0) {
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#if defined(_WIN32) || defined(_WIN64)
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LogError("Error returned from sendto, err: %lu", ::GetLastError());
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#else
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LogError("Error returned from sendto, err: %d", errno);
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#endif
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return false;
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} else {
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#if defined(_WIN32) || defined(_WIN64)
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if (ret == int(length))
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result = true;
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#else
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if (ret == ssize_t(length))
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result = true;
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#endif
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}
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}
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#if defined(_WIN32) || defined(_WIN64)
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if (ret != int(length))
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return false;
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#else
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if (ret != ssize_t(length))
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return false;
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#endif
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return true;
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return result;
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}
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void CUDPSocket::close()
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{
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#if defined(_WIN32) || defined(_WIN64)
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::closesocket(m_fd);
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#else
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::close(m_fd);
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#endif
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for (int i = 0; i < UDP_SOCKET_MAX; i++)
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close(m_fd[i]);
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}
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void CUDPSocket::close(const unsigned int index)
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{
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if (m_fd[index] >= 0) {
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#if defined(_WIN32) || defined(_WIN64)
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::closesocket(m_fd[index]);
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#else
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::close(m_fd[index]);
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#endif
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m_fd[index] = -1;
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}
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}
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||||
|
@ -26,6 +26,7 @@
|
||||
#include <sys/time.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <poll.h>
|
||||
#include <unistd.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
@ -35,29 +36,45 @@
|
||||
#include <ws2tcpip.h>
|
||||
#endif
|
||||
|
||||
#if !defined(UDP_SOCKET_MAX)
|
||||
#define UDP_SOCKET_MAX 1
|
||||
#endif
|
||||
|
||||
enum IPMATCHTYPE {
|
||||
IMT_ADDRESS_AND_PORT,
|
||||
IMT_ADDRESS_ONLY
|
||||
};
|
||||
|
||||
class CUDPSocket {
|
||||
public:
|
||||
CUDPSocket(const std::string& address, unsigned int port = 0U);
|
||||
CUDPSocket(unsigned int port = 0U);
|
||||
~CUDPSocket();
|
||||
|
||||
bool open();
|
||||
bool open(const unsigned int af);
|
||||
bool open(unsigned int af = AF_UNSPEC);
|
||||
bool open(const sockaddr_storage& address);
|
||||
bool open(const unsigned int index, const unsigned int af, const std::string& address, const unsigned int port);
|
||||
|
||||
int read(unsigned char* buffer, unsigned int length, sockaddr_storage& address, unsigned int &address_length);
|
||||
bool write(const unsigned char* buffer, unsigned int length, const sockaddr_storage& address, unsigned int address_length);
|
||||
|
||||
void close();
|
||||
void close(const unsigned int index);
|
||||
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length);
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length, struct addrinfo& hints);
|
||||
static bool match(const sockaddr_storage& addr1, const sockaddr_storage& addr2);
|
||||
static bool isnone(const sockaddr_storage& addr);
|
||||
static bool match(const sockaddr_storage& addr1, const sockaddr_storage& addr2, IPMATCHTYPE type = IMT_ADDRESS_AND_PORT);
|
||||
|
||||
static bool isNone(const sockaddr_storage& addr);
|
||||
|
||||
private:
|
||||
std::string m_address;
|
||||
unsigned short m_port;
|
||||
int m_fd;
|
||||
std::string m_address_save;
|
||||
unsigned short m_port_save;
|
||||
std::string m_address[UDP_SOCKET_MAX];
|
||||
unsigned short m_port[UDP_SOCKET_MAX];
|
||||
unsigned int m_af[UDP_SOCKET_MAX];
|
||||
int m_fd[UDP_SOCKET_MAX];
|
||||
unsigned int m_counter;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
@ -19,6 +19,6 @@
|
||||
#if !defined(VERSION_H)
|
||||
#define VERSION_H
|
||||
|
||||
const char* VERSION = "20200903";
|
||||
const char* VERSION = "20200906";
|
||||
|
||||
#endif
|
||||
|
@ -1,5 +1,5 @@
|
||||
CC = gcc
|
||||
CXX = g++
|
||||
CC = cc
|
||||
CXX = c++
|
||||
CFLAGS = -g -O3 -Wall -std=c++0x -pthread
|
||||
LIBS = -lpthread
|
||||
LDFLAGS = -g
|
||||
|
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (C) 2006-2016 by Jonathan Naylor G4KLX
|
||||
* Copyright (C) 2006-2016,2020 by Jonathan Naylor G4KLX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
@ -25,33 +25,49 @@
|
||||
#include <cstring>
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_LOG_H)
|
||||
#include "Log.h"
|
||||
#else
|
||||
#define LogError(fmt, ...) ::fprintf(stderr, fmt "\n", ## __VA_ARGS__)
|
||||
#define LogInfo(fmt, ...) ::fprintf(stderr, fmt "\n", ## __VA_ARGS__)
|
||||
#endif
|
||||
|
||||
CUDPSocket::CUDPSocket(const std::string& address, unsigned int port) :
|
||||
m_address(address),
|
||||
m_port(port),
|
||||
m_fd(-1)
|
||||
m_address_save(address),
|
||||
m_port_save(port),
|
||||
m_counter(0U)
|
||||
{
|
||||
assert(!address.empty());
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
WSAData data;
|
||||
int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data);
|
||||
if (wsaRet != 0)
|
||||
::fprintf(stderr, "Error from WSAStartup\n");
|
||||
LogError("Error from WSAStartup");
|
||||
#endif
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
m_address[i] = "";
|
||||
m_port[i] = 0U;
|
||||
m_af[i] = 0U;
|
||||
m_fd[i] = -1;
|
||||
}
|
||||
}
|
||||
|
||||
CUDPSocket::CUDPSocket(unsigned int port) :
|
||||
m_address(),
|
||||
m_port(port),
|
||||
m_fd(-1)
|
||||
m_address_save(),
|
||||
m_port_save(port),
|
||||
m_counter(0U)
|
||||
{
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
WSAData data;
|
||||
int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data);
|
||||
if (wsaRet != 0)
|
||||
::fprintf(stderr, "Error from WSAStartup\n");
|
||||
LogError("Error from WSAStartup");
|
||||
#endif
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
m_address[i] = "";
|
||||
m_port[i] = 0U;
|
||||
m_af[i] = 0U;
|
||||
m_fd[i] = -1;
|
||||
}
|
||||
}
|
||||
|
||||
CUDPSocket::~CUDPSocket()
|
||||
@ -61,7 +77,7 @@ CUDPSocket::~CUDPSocket()
|
||||
#endif
|
||||
}
|
||||
|
||||
int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_storage &addr, unsigned int &address_length)
|
||||
int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_storage& addr, unsigned int& address_length)
|
||||
{
|
||||
struct addrinfo hints;
|
||||
::memset(&hints, 0, sizeof(hints));
|
||||
@ -69,71 +85,91 @@ int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_
|
||||
return lookup(hostname, port, addr, address_length, hints);
|
||||
}
|
||||
|
||||
int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_storage &addr, unsigned int &address_length, struct addrinfo &hints)
|
||||
int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_storage& addr, unsigned int& address_length, struct addrinfo& hints)
|
||||
{
|
||||
int err;
|
||||
std::string portstr = std::to_string(port);
|
||||
struct addrinfo *res;
|
||||
|
||||
/* port is always digits, no needs to lookup service */
|
||||
hints.ai_flags |= AI_NUMERICSERV;
|
||||
|
||||
err = getaddrinfo(hostname.empty() ? NULL : hostname.c_str(), portstr.c_str(), &hints, &res);
|
||||
if (err) {
|
||||
sockaddr_in *paddr = (sockaddr_in *)&addr;
|
||||
::memset(paddr, 0, address_length = sizeof(sockaddr_in));
|
||||
int err = getaddrinfo(hostname.empty() ? NULL : hostname.c_str(), portstr.c_str(), &hints, &res);
|
||||
if (err != 0) {
|
||||
sockaddr_in* paddr = (sockaddr_in*)&addr;
|
||||
::memset(paddr, 0x00U, address_length = sizeof(sockaddr_in));
|
||||
paddr->sin_family = AF_INET;
|
||||
paddr->sin_port = htons(port);
|
||||
paddr->sin_addr.s_addr = htonl(INADDR_NONE);
|
||||
::fprintf(stderr, "Cannot find address for host %s\n", hostname.c_str());
|
||||
LogError("Cannot find address for host %s", hostname.c_str());
|
||||
return err;
|
||||
}
|
||||
|
||||
::memcpy(&addr, res->ai_addr, address_length = res->ai_addrlen);
|
||||
|
||||
freeaddrinfo(res);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool CUDPSocket::match(const sockaddr_storage &addr1, const sockaddr_storage &addr2)
|
||||
bool CUDPSocket::match(const sockaddr_storage& addr1, const sockaddr_storage& addr2, IPMATCHTYPE type)
|
||||
{
|
||||
if (addr1.ss_family != addr2.ss_family)
|
||||
return false;
|
||||
|
||||
if (type == IMT_ADDRESS_AND_PORT) {
|
||||
switch (addr1.ss_family) {
|
||||
case AF_INET:
|
||||
struct sockaddr_in *in_1, *in_2;
|
||||
in_1 = (struct sockaddr_in *)&addr1;
|
||||
in_2 = (struct sockaddr_in *)&addr2;
|
||||
return ( (in_1->sin_addr.s_addr == in_2->sin_addr.s_addr) &&
|
||||
(in_1->sin_port == in_2->sin_port) );
|
||||
in_1 = (struct sockaddr_in*)&addr1;
|
||||
in_2 = (struct sockaddr_in*)&addr2;
|
||||
return (in_1->sin_addr.s_addr == in_2->sin_addr.s_addr) && (in_1->sin_port == in_2->sin_port);
|
||||
case AF_INET6:
|
||||
struct sockaddr_in6 *in6_1, *in6_2;
|
||||
in6_1 = (struct sockaddr_in6 *)&addr1;
|
||||
in6_2 = (struct sockaddr_in6 *)&addr2;
|
||||
return ( IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr) &&
|
||||
(in6_1->sin6_port == in6_2->sin6_port) );
|
||||
in6_1 = (struct sockaddr_in6*)&addr1;
|
||||
in6_2 = (struct sockaddr_in6*)&addr2;
|
||||
return IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr) && (in6_1->sin6_port == in6_2->sin6_port);
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
} else if (type == IMT_ADDRESS_ONLY) {
|
||||
switch (addr1.ss_family) {
|
||||
case AF_INET:
|
||||
struct sockaddr_in *in_1, *in_2;
|
||||
in_1 = (struct sockaddr_in*)&addr1;
|
||||
in_2 = (struct sockaddr_in*)&addr2;
|
||||
return in_1->sin_addr.s_addr == in_2->sin_addr.s_addr;
|
||||
case AF_INET6:
|
||||
struct sockaddr_in6 *in6_1, *in6_2;
|
||||
in6_1 = (struct sockaddr_in6*)&addr1;
|
||||
in6_2 = (struct sockaddr_in6*)&addr2;
|
||||
return IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr);
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
bool CUDPSocket::isnone(const sockaddr_storage &addr)
|
||||
bool CUDPSocket::isNone(const sockaddr_storage& addr)
|
||||
{
|
||||
struct sockaddr_in *in = (struct sockaddr_in *)&addr;
|
||||
|
||||
return ( (addr.ss_family == AF_INET) &&
|
||||
(in->sin_addr.s_addr == htonl(INADDR_NONE)) );
|
||||
return ((addr.ss_family == AF_INET) && (in->sin_addr.s_addr == htonl(INADDR_NONE)));
|
||||
}
|
||||
|
||||
bool CUDPSocket::open()
|
||||
bool CUDPSocket::open(const sockaddr_storage& address)
|
||||
{
|
||||
return open(AF_UNSPEC);
|
||||
return open(address.ss_family);
|
||||
}
|
||||
|
||||
bool CUDPSocket::open(const unsigned int af)
|
||||
bool CUDPSocket::open(unsigned int af)
|
||||
{
|
||||
return open(0, af, m_address_save, m_port_save);
|
||||
}
|
||||
|
||||
bool CUDPSocket::open(const unsigned int index, const unsigned int af, const std::string& address, const unsigned int port)
|
||||
{
|
||||
int err;
|
||||
sockaddr_storage addr;
|
||||
unsigned int addrlen;
|
||||
struct addrinfo hints;
|
||||
@ -143,43 +179,48 @@ bool CUDPSocket::open(const unsigned int af)
|
||||
hints.ai_family = af;
|
||||
|
||||
/* to determine protocol family, call lookup() first. */
|
||||
err = lookup(m_address, m_port, addr, addrlen, hints);
|
||||
if (err) {
|
||||
::fprintf(stderr, "The local address is invalid - %s\n", m_address.c_str());
|
||||
int err = lookup(address, port, addr, addrlen, hints);
|
||||
if (err != 0) {
|
||||
LogError("The local address is invalid - %s", address.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
m_fd = ::socket(addr.ss_family, SOCK_DGRAM, 0);
|
||||
if (m_fd < 0) {
|
||||
int fd = ::socket(addr.ss_family, SOCK_DGRAM, 0);
|
||||
if (fd < 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::fprintf(stderr, "Cannot create the UDP socket, err: %lu\n", ::GetLastError());
|
||||
LogError("Cannot create the UDP socket, err: %lu", ::GetLastError());
|
||||
#else
|
||||
::fprintf(stderr, "Cannot create the UDP socket, err: %d\n", errno);
|
||||
LogError("Cannot create the UDP socket, err: %d", errno);
|
||||
#endif
|
||||
return false;
|
||||
}
|
||||
|
||||
if (m_port > 0U) {
|
||||
m_address[index] = address;
|
||||
m_port[index] = port;
|
||||
m_af[index] = addr.ss_family;
|
||||
m_fd[index] = fd;
|
||||
|
||||
if (port > 0U) {
|
||||
int reuse = 1;
|
||||
if (::setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
|
||||
if (::setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::fprintf(stderr, "Cannot set the UDP socket option, err: %lu\n", ::GetLastError());
|
||||
LogError("Cannot set the UDP socket option, err: %lu", ::GetLastError());
|
||||
#else
|
||||
::fprintf(stderr, "Cannot set the UDP socket option, err: %d\n", errno);
|
||||
LogError("Cannot set the UDP socket option, err: %d", errno);
|
||||
#endif
|
||||
return false;
|
||||
}
|
||||
|
||||
if (::bind(m_fd, (sockaddr*)&addr, addrlen) == -1) {
|
||||
if (::bind(fd, (sockaddr*)&addr, addrlen) == -1) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::fprintf(stderr, "Cannot bind the UDP address, err: %lu\n", ::GetLastError());
|
||||
LogError("Cannot bind the UDP address, err: %lu", ::GetLastError());
|
||||
#else
|
||||
::fprintf(stderr, "Cannot bind the UDP address, err: %d\n", errno);
|
||||
LogError("Cannot bind the UDP address, err: %d", errno);
|
||||
#endif
|
||||
return false;
|
||||
}
|
||||
|
||||
::fprintf(stdout, "Opening UDP port on %u\n", m_port);
|
||||
LogInfo("Opening UDP port on %u", port);
|
||||
}
|
||||
|
||||
return true;
|
||||
@ -191,30 +232,43 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
|
||||
assert(length > 0U);
|
||||
|
||||
// Check that the readfrom() won't block
|
||||
fd_set readFds;
|
||||
FD_ZERO(&readFds);
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
FD_SET((unsigned int)m_fd, &readFds);
|
||||
#else
|
||||
FD_SET(m_fd, &readFds);
|
||||
#endif
|
||||
int i, n;
|
||||
struct pollfd pfd[UDP_SOCKET_MAX];
|
||||
for (i = n = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
if (m_fd[i] >= 0) {
|
||||
pfd[n].fd = m_fd[i];
|
||||
pfd[n].events = POLLIN;
|
||||
n++;
|
||||
}
|
||||
}
|
||||
|
||||
// no socket descriptor to receive
|
||||
if (n == 0)
|
||||
return 0;
|
||||
|
||||
// Return immediately
|
||||
timeval tv;
|
||||
tv.tv_sec = 0L;
|
||||
tv.tv_usec = 0L;
|
||||
|
||||
int ret = ::select(m_fd + 1, &readFds, NULL, NULL, &tv);
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
int ret = WSAPoll(pfd, n, 0);
|
||||
#else
|
||||
int ret = ::poll(pfd, n, 0);
|
||||
#endif
|
||||
if (ret < 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::fprintf(stderr, "Error returned from UDP select, err: %lu\n", ::GetLastError());
|
||||
LogError("Error returned from UDP poll, err: %lu", ::GetLastError());
|
||||
#else
|
||||
::fprintf(stderr, "Error returned from UDP select, err: %d\n", errno);
|
||||
LogError("Error returned from UDP poll, err: %d", errno);
|
||||
#endif
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (ret == 0)
|
||||
int index;
|
||||
for (i = 0; i < n; i++) {
|
||||
// round robin
|
||||
index = (i + m_counter) % n;
|
||||
if (pfd[index].revents & POLLIN)
|
||||
break;
|
||||
}
|
||||
if (i == n)
|
||||
return 0;
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
@ -224,19 +278,20 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
|
||||
#endif
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
int len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
int len = ::recvfrom(pfd[index].fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
#else
|
||||
ssize_t len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
ssize_t len = ::recvfrom(pfd[index].fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
#endif
|
||||
if (len <= 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::fprintf(stderr, "Error returned from recvfrom, err: %lu\n", ::GetLastError());
|
||||
LogError("Error returned from recvfrom, err: %lu", ::GetLastError());
|
||||
#else
|
||||
::fprintf(stderr, "Error returned from recvfrom, err: %d\n", errno);
|
||||
LogError("Error returned from recvfrom, err: %d", errno);
|
||||
#endif
|
||||
return -1;
|
||||
}
|
||||
|
||||
m_counter++;
|
||||
address_length = size;
|
||||
return len;
|
||||
}
|
||||
@ -246,36 +301,52 @@ bool CUDPSocket::write(const unsigned char* buffer, unsigned int length, const s
|
||||
assert(buffer != NULL);
|
||||
assert(length > 0U);
|
||||
|
||||
bool result = false;
|
||||
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
if (m_fd[i] < 0 || m_af[i] != address.ss_family)
|
||||
continue;
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
int ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
int ret = ::sendto(m_fd[i], (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
#else
|
||||
ssize_t ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
ssize_t ret = ::sendto(m_fd[i], (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
#endif
|
||||
|
||||
if (ret < 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::fprintf(stderr, "Error returned from sendto, err: %lu\n", ::GetLastError());
|
||||
LogError("Error returned from sendto, err: %lu", ::GetLastError());
|
||||
#else
|
||||
::fprintf(stderr, "Error returned from sendto, err: %d\n", errno);
|
||||
LogError("Error returned from sendto, err: %d", errno);
|
||||
#endif
|
||||
return false;
|
||||
} else {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
if (ret == int(length))
|
||||
result = true;
|
||||
#else
|
||||
if (ret == ssize_t(length))
|
||||
result = true;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
if (ret != int(length))
|
||||
return false;
|
||||
#else
|
||||
if (ret != ssize_t(length))
|
||||
return false;
|
||||
#endif
|
||||
|
||||
return true;
|
||||
return result;
|
||||
}
|
||||
|
||||
void CUDPSocket::close()
|
||||
{
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::closesocket(m_fd);
|
||||
#else
|
||||
::close(m_fd);
|
||||
#endif
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++)
|
||||
close(m_fd[i]);
|
||||
}
|
||||
|
||||
void CUDPSocket::close(const unsigned int index)
|
||||
{
|
||||
if (m_fd[index] >= 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::closesocket(m_fd[index]);
|
||||
#else
|
||||
::close(m_fd[index]);
|
||||
#endif
|
||||
m_fd[index] = -1;
|
||||
}
|
||||
}
|
||||
|
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (C) 2009-2011,2013,2015,2016 by Jonathan Naylor G4KLX
|
||||
* Copyright (C) 2009-2011,2013,2015,2016,2020 by Jonathan Naylor G4KLX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
@ -26,6 +26,7 @@
|
||||
#include <sys/time.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <poll.h>
|
||||
#include <unistd.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
@ -35,29 +36,45 @@
|
||||
#include <ws2tcpip.h>
|
||||
#endif
|
||||
|
||||
#if !defined(UDP_SOCKET_MAX)
|
||||
#define UDP_SOCKET_MAX 1
|
||||
#endif
|
||||
|
||||
enum IPMATCHTYPE {
|
||||
IMT_ADDRESS_AND_PORT,
|
||||
IMT_ADDRESS_ONLY
|
||||
};
|
||||
|
||||
class CUDPSocket {
|
||||
public:
|
||||
CUDPSocket(const std::string& address, unsigned int port = 0U);
|
||||
CUDPSocket(unsigned int port = 0U);
|
||||
~CUDPSocket();
|
||||
|
||||
bool open();
|
||||
bool open(const unsigned int af);
|
||||
bool open(unsigned int af = AF_UNSPEC);
|
||||
bool open(const sockaddr_storage& address);
|
||||
bool open(const unsigned int index, const unsigned int af, const std::string& address, const unsigned int port);
|
||||
|
||||
int read(unsigned char* buffer, unsigned int length, sockaddr_storage& address, unsigned int &address_length);
|
||||
bool write(const unsigned char* buffer, unsigned int length, const sockaddr_storage& address, unsigned int address_length);
|
||||
|
||||
void close();
|
||||
void close(const unsigned int index);
|
||||
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage &address, unsigned int &address_length);
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage &address, unsigned int &address_length, struct addrinfo &hints);
|
||||
static bool match(const sockaddr_storage &addr1, const sockaddr_storage &addr2);
|
||||
static bool isnone(const sockaddr_storage &addr);
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length);
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length, struct addrinfo& hints);
|
||||
static bool match(const sockaddr_storage& addr1, const sockaddr_storage& addr2, IPMATCHTYPE type = IMT_ADDRESS_AND_PORT);
|
||||
|
||||
static bool isNone(const sockaddr_storage& addr);
|
||||
|
||||
private:
|
||||
std::string m_address;
|
||||
unsigned short m_port;
|
||||
int m_fd;
|
||||
std::string m_address_save;
|
||||
unsigned short m_port_save;
|
||||
std::string m_address[UDP_SOCKET_MAX];
|
||||
unsigned short m_port[UDP_SOCKET_MAX];
|
||||
unsigned int m_af[UDP_SOCKET_MAX];
|
||||
int m_fd[UDP_SOCKET_MAX];
|
||||
unsigned int m_counter;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
@ -19,6 +19,6 @@
|
||||
#if !defined(VERSION_H)
|
||||
#define VERSION_H
|
||||
|
||||
const char* VERSION = "20200903";
|
||||
const char* VERSION = "20200906";
|
||||
|
||||
#endif
|
||||
|
@ -1,6 +1,6 @@
|
||||
CC = gcc
|
||||
CXX = g++
|
||||
CFLAGS = -g -O3 -Wall -std=c++0x -pthread
|
||||
CC = cc
|
||||
CXX = c++
|
||||
CFLAGS = -g -O3 -Wall -DHAVE_LOG_H -std=c++0x -pthread
|
||||
LIBS = -lpthread
|
||||
LDFLAGS = -g
|
||||
|
||||
|
@ -17,7 +17,6 @@
|
||||
*/
|
||||
|
||||
#include "UDPSocket.h"
|
||||
#include "Log.h"
|
||||
|
||||
#include <cassert>
|
||||
|
||||
@ -26,26 +25,36 @@
|
||||
#include <cstring>
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_LOG_H)
|
||||
#include "Log.h"
|
||||
#else
|
||||
#define LogError(fmt, ...) ::fprintf(stderr, fmt "\n", ## __VA_ARGS__)
|
||||
#define LogInfo(fmt, ...) ::fprintf(stderr, fmt "\n", ## __VA_ARGS__)
|
||||
#endif
|
||||
|
||||
CUDPSocket::CUDPSocket(const std::string& address, unsigned int port) :
|
||||
m_address(address),
|
||||
m_port(port),
|
||||
m_fd(-1)
|
||||
m_address_save(address),
|
||||
m_port_save(port),
|
||||
m_counter(0U)
|
||||
{
|
||||
assert(!address.empty());
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
WSAData data;
|
||||
int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data);
|
||||
if (wsaRet != 0)
|
||||
LogError("Error from WSAStartup");
|
||||
#endif
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
m_address[i] = "";
|
||||
m_port[i] = 0U;
|
||||
m_af[i] = 0U;
|
||||
m_fd[i] = -1;
|
||||
}
|
||||
}
|
||||
|
||||
CUDPSocket::CUDPSocket(unsigned int port) :
|
||||
m_address(),
|
||||
m_port(port),
|
||||
m_fd(-1)
|
||||
m_address_save(),
|
||||
m_port_save(port),
|
||||
m_counter(0U)
|
||||
{
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
WSAData data;
|
||||
@ -53,6 +62,12 @@ m_fd(-1)
|
||||
if (wsaRet != 0)
|
||||
LogError("Error from WSAStartup");
|
||||
#endif
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
m_address[i] = "";
|
||||
m_port[i] = 0U;
|
||||
m_af[i] = 0U;
|
||||
m_fd[i] = -1;
|
||||
}
|
||||
}
|
||||
|
||||
CUDPSocket::~CUDPSocket()
|
||||
@ -96,40 +111,64 @@ int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool CUDPSocket::match(const sockaddr_storage& addr1, const sockaddr_storage& addr2)
|
||||
bool CUDPSocket::match(const sockaddr_storage& addr1, const sockaddr_storage& addr2, IPMATCHTYPE type)
|
||||
{
|
||||
if (addr1.ss_family != addr2.ss_family)
|
||||
return false;
|
||||
|
||||
if (type == IMT_ADDRESS_AND_PORT) {
|
||||
switch (addr1.ss_family) {
|
||||
case AF_INET:
|
||||
struct sockaddr_in *in_1, *in_2;
|
||||
in_1 = (struct sockaddr_in*)&addr1;
|
||||
in_2 = (struct sockaddr_in*)&addr2;
|
||||
return ((in_1->sin_addr.s_addr == in_2->sin_addr.s_addr) && (in_1->sin_port == in_2->sin_port));
|
||||
return (in_1->sin_addr.s_addr == in_2->sin_addr.s_addr) && (in_1->sin_port == in_2->sin_port);
|
||||
case AF_INET6:
|
||||
struct sockaddr_in6 *in6_1, *in6_2;
|
||||
in6_1 = (struct sockaddr_in6*)&addr1;
|
||||
in6_2 = (struct sockaddr_in6*)&addr2;
|
||||
return (IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr) && (in6_1->sin6_port == in6_2->sin6_port));
|
||||
return IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr) && (in6_1->sin6_port == in6_2->sin6_port);
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
} else if (type == IMT_ADDRESS_ONLY) {
|
||||
switch (addr1.ss_family) {
|
||||
case AF_INET:
|
||||
struct sockaddr_in *in_1, *in_2;
|
||||
in_1 = (struct sockaddr_in*)&addr1;
|
||||
in_2 = (struct sockaddr_in*)&addr2;
|
||||
return in_1->sin_addr.s_addr == in_2->sin_addr.s_addr;
|
||||
case AF_INET6:
|
||||
struct sockaddr_in6 *in6_1, *in6_2;
|
||||
in6_1 = (struct sockaddr_in6*)&addr1;
|
||||
in6_2 = (struct sockaddr_in6*)&addr2;
|
||||
return IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr);
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
bool CUDPSocket::isnone(const sockaddr_storage& addr)
|
||||
bool CUDPSocket::isNone(const sockaddr_storage& addr)
|
||||
{
|
||||
struct sockaddr_in *in = (struct sockaddr_in *)&addr;
|
||||
|
||||
return ((addr.ss_family == AF_INET) && (in->sin_addr.s_addr == htonl(INADDR_NONE)));
|
||||
}
|
||||
|
||||
bool CUDPSocket::open()
|
||||
bool CUDPSocket::open(const sockaddr_storage& address)
|
||||
{
|
||||
return open(AF_UNSPEC);
|
||||
return open(address.ss_family);
|
||||
}
|
||||
|
||||
bool CUDPSocket::open(const unsigned int af)
|
||||
bool CUDPSocket::open(unsigned int af)
|
||||
{
|
||||
return open(0, af, m_address_save, m_port_save);
|
||||
}
|
||||
|
||||
bool CUDPSocket::open(const unsigned int index, const unsigned int af, const std::string& address, const unsigned int port)
|
||||
{
|
||||
sockaddr_storage addr;
|
||||
unsigned int addrlen;
|
||||
@ -140,14 +179,14 @@ bool CUDPSocket::open(const unsigned int af)
|
||||
hints.ai_family = af;
|
||||
|
||||
/* to determine protocol family, call lookup() first. */
|
||||
int err = lookup(m_address, m_port, addr, addrlen, hints);
|
||||
int err = lookup(address, port, addr, addrlen, hints);
|
||||
if (err != 0) {
|
||||
LogError("The local address is invalid - %s", m_address.c_str());
|
||||
LogError("The local address is invalid - %s", address.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
m_fd = ::socket(addr.ss_family, SOCK_DGRAM, 0);
|
||||
if (m_fd < 0) {
|
||||
int fd = ::socket(addr.ss_family, SOCK_DGRAM, 0);
|
||||
if (fd < 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
LogError("Cannot create the UDP socket, err: %lu", ::GetLastError());
|
||||
#else
|
||||
@ -156,9 +195,14 @@ bool CUDPSocket::open(const unsigned int af)
|
||||
return false;
|
||||
}
|
||||
|
||||
if (m_port > 0U) {
|
||||
m_address[index] = address;
|
||||
m_port[index] = port;
|
||||
m_af[index] = addr.ss_family;
|
||||
m_fd[index] = fd;
|
||||
|
||||
if (port > 0U) {
|
||||
int reuse = 1;
|
||||
if (::setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
|
||||
if (::setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
LogError("Cannot set the UDP socket option, err: %lu", ::GetLastError());
|
||||
#else
|
||||
@ -167,7 +211,7 @@ bool CUDPSocket::open(const unsigned int af)
|
||||
return false;
|
||||
}
|
||||
|
||||
if (::bind(m_fd, (sockaddr*)&addr, addrlen) == -1) {
|
||||
if (::bind(fd, (sockaddr*)&addr, addrlen) == -1) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
LogError("Cannot bind the UDP address, err: %lu", ::GetLastError());
|
||||
#else
|
||||
@ -176,7 +220,7 @@ bool CUDPSocket::open(const unsigned int af)
|
||||
return false;
|
||||
}
|
||||
|
||||
LogInfo("Opening UDP port on %u", m_port);
|
||||
LogInfo("Opening UDP port on %u", port);
|
||||
}
|
||||
|
||||
return true;
|
||||
@ -188,30 +232,43 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
|
||||
assert(length > 0U);
|
||||
|
||||
// Check that the readfrom() won't block
|
||||
fd_set readFds;
|
||||
FD_ZERO(&readFds);
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
FD_SET((unsigned int)m_fd, &readFds);
|
||||
#else
|
||||
FD_SET(m_fd, &readFds);
|
||||
#endif
|
||||
int i, n;
|
||||
struct pollfd pfd[UDP_SOCKET_MAX];
|
||||
for (i = n = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
if (m_fd[i] >= 0) {
|
||||
pfd[n].fd = m_fd[i];
|
||||
pfd[n].events = POLLIN;
|
||||
n++;
|
||||
}
|
||||
}
|
||||
|
||||
// no socket descriptor to receive
|
||||
if (n == 0)
|
||||
return 0;
|
||||
|
||||
// Return immediately
|
||||
timeval tv;
|
||||
tv.tv_sec = 0L;
|
||||
tv.tv_usec = 0L;
|
||||
|
||||
int ret = ::select(m_fd + 1, &readFds, NULL, NULL, &tv);
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
int ret = WSAPoll(pfd, n, 0);
|
||||
#else
|
||||
int ret = ::poll(pfd, n, 0);
|
||||
#endif
|
||||
if (ret < 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
LogError("Error returned from UDP select, err: %lu", ::GetLastError());
|
||||
LogError("Error returned from UDP poll, err: %lu", ::GetLastError());
|
||||
#else
|
||||
LogError("Error returned from UDP select, err: %d", errno);
|
||||
LogError("Error returned from UDP poll, err: %d", errno);
|
||||
#endif
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (ret == 0)
|
||||
int index;
|
||||
for (i = 0; i < n; i++) {
|
||||
// round robin
|
||||
index = (i + m_counter) % n;
|
||||
if (pfd[index].revents & POLLIN)
|
||||
break;
|
||||
}
|
||||
if (i == n)
|
||||
return 0;
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
@ -221,9 +278,9 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
|
||||
#endif
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
int len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
int len = ::recvfrom(pfd[index].fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
#else
|
||||
ssize_t len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
ssize_t len = ::recvfrom(pfd[index].fd, (char*)buffer, length, 0, (sockaddr *)&address, &size);
|
||||
#endif
|
||||
if (len <= 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
@ -234,6 +291,7 @@ int CUDPSocket::read(unsigned char* buffer, unsigned int length, sockaddr_storag
|
||||
return -1;
|
||||
}
|
||||
|
||||
m_counter++;
|
||||
address_length = size;
|
||||
return len;
|
||||
}
|
||||
@ -243,36 +301,52 @@ bool CUDPSocket::write(const unsigned char* buffer, unsigned int length, const s
|
||||
assert(buffer != NULL);
|
||||
assert(length > 0U);
|
||||
|
||||
bool result = false;
|
||||
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++) {
|
||||
if (m_fd[i] < 0 || m_af[i] != address.ss_family)
|
||||
continue;
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
int ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
int ret = ::sendto(m_fd[i], (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
#else
|
||||
ssize_t ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
ssize_t ret = ::sendto(m_fd[i], (char *)buffer, length, 0, (sockaddr *)&address, address_length);
|
||||
#endif
|
||||
|
||||
if (ret < 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
LogError("Error returned from sendto, err: %lu", ::GetLastError());
|
||||
#else
|
||||
LogError("Error returned from sendto, err: %d", errno);
|
||||
#endif
|
||||
return false;
|
||||
} else {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
if (ret == int(length))
|
||||
result = true;
|
||||
#else
|
||||
if (ret == ssize_t(length))
|
||||
result = true;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
if (ret != int(length))
|
||||
return false;
|
||||
#else
|
||||
if (ret != ssize_t(length))
|
||||
return false;
|
||||
#endif
|
||||
|
||||
return true;
|
||||
return result;
|
||||
}
|
||||
|
||||
void CUDPSocket::close()
|
||||
{
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::closesocket(m_fd);
|
||||
#else
|
||||
::close(m_fd);
|
||||
#endif
|
||||
for (int i = 0; i < UDP_SOCKET_MAX; i++)
|
||||
close(m_fd[i]);
|
||||
}
|
||||
|
||||
void CUDPSocket::close(const unsigned int index)
|
||||
{
|
||||
if (m_fd[index] >= 0) {
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
::closesocket(m_fd[index]);
|
||||
#else
|
||||
::close(m_fd[index]);
|
||||
#endif
|
||||
m_fd[index] = -1;
|
||||
}
|
||||
}
|
||||
|
@ -26,6 +26,7 @@
|
||||
#include <sys/time.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <poll.h>
|
||||
#include <unistd.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
@ -35,29 +36,45 @@
|
||||
#include <ws2tcpip.h>
|
||||
#endif
|
||||
|
||||
#if !defined(UDP_SOCKET_MAX)
|
||||
#define UDP_SOCKET_MAX 1
|
||||
#endif
|
||||
|
||||
enum IPMATCHTYPE {
|
||||
IMT_ADDRESS_AND_PORT,
|
||||
IMT_ADDRESS_ONLY
|
||||
};
|
||||
|
||||
class CUDPSocket {
|
||||
public:
|
||||
CUDPSocket(const std::string& address, unsigned int port = 0U);
|
||||
CUDPSocket(unsigned int port = 0U);
|
||||
~CUDPSocket();
|
||||
|
||||
bool open();
|
||||
bool open(const unsigned int af);
|
||||
bool open(unsigned int af = AF_UNSPEC);
|
||||
bool open(const sockaddr_storage& address);
|
||||
bool open(const unsigned int index, const unsigned int af, const std::string& address, const unsigned int port);
|
||||
|
||||
int read(unsigned char* buffer, unsigned int length, sockaddr_storage& address, unsigned int &address_length);
|
||||
bool write(const unsigned char* buffer, unsigned int length, const sockaddr_storage& address, unsigned int address_length);
|
||||
|
||||
void close();
|
||||
void close(const unsigned int index);
|
||||
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length);
|
||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length, struct addrinfo& hints);
|
||||
static bool match(const sockaddr_storage& addr1, const sockaddr_storage& addr2);
|
||||
static bool isnone(const sockaddr_storage& addr);
|
||||
static bool match(const sockaddr_storage& addr1, const sockaddr_storage& addr2, IPMATCHTYPE type = IMT_ADDRESS_AND_PORT);
|
||||
|
||||
static bool isNone(const sockaddr_storage& addr);
|
||||
|
||||
private:
|
||||
std::string m_address;
|
||||
unsigned short m_port;
|
||||
int m_fd;
|
||||
std::string m_address_save;
|
||||
unsigned short m_port_save;
|
||||
std::string m_address[UDP_SOCKET_MAX];
|
||||
unsigned short m_port[UDP_SOCKET_MAX];
|
||||
unsigned int m_af[UDP_SOCKET_MAX];
|
||||
int m_fd[UDP_SOCKET_MAX];
|
||||
unsigned int m_counter;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue
Block a user