C++ UDP类代码示例

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本文整理汇总了C++中UDP类的典型用法代码示例。如果您正苦于以下问题：C++ UDP类的具体用法？C++ UDP怎么用？C++ UDP使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了UDP类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: UDP

////////////////////////////////////////////////////////////////////////////////////
///
///   \brief Creates a connection to the JAUS component given the provided data
///   if possible.
///
///   \param[in] id JAUS component ID.
///   \param[in] destination Destination information for connection creation.
///
///   \return Pointer to new connection on success, false on failure.
///
////////////////////////////////////////////////////////////////////////////////////
Connection* UDP::CreateConnection(const Address& id,
                                  const Info* destination)
{
    CxUtils::UdpSocket* primary = dynamic_cast<CxUtils::UdpSocket*>( ( (CxUtils::Socket*)mpSocket) );
    // Only port that has reserved the JUDP port can create UDP connections.
    if(primary == NULL || primary->GetSourcePort() != this->mParameters.mDestPortNumber)
    {
        return NULL;
    }

    UDP* newUDP = new UDP(mSingleThreadModeFlag);
    newUDP->mID = id;
    newUDP->CopyConnectionData(this);
    newUDP->mParameters = mParameters;
    newUDP->mParameters = *destination;
    newUDP->mParameters.mClientFlag = true;

    newUDP->mpSocket = primary->CreateNewDestination(destination->mDestIP, destination->mDestPortNumber);

    if(newUDP->Initialize(&newUDP->mParameters))
    {
        return newUDP;
    }
    else
    {
        delete newUDP;
    }
    return NULL;
}

开发者ID:ShowLove，项目名称:Robotics_Club，代码行数:40，代码来源:udp.cpp

示例2: dojoin

//function used to communicate with the sequencer so as to join the chat group.
int chatClient::dojoin(string rs_ip, int rs_port){
    string outmsg;
    int outlen, saddr_len;
    s_ip = rs_ip;
    s_port = rs_port;
    //setupt the UDP socket
    UDP joinUDP;
    joinUDP.setRemoteAddr(s_ip.c_str(),s_port);
    
    //args: sequencer's ip, port, myIP, myPort,myName;
    myMsg message = mmaker.makeJoin(name);
    msgMaker::serialize(outmsg, outlen, message);    
    
    
    
    
    if(joinUDP.sendToNACK(outmsg.c_str(),outlen)==-2){
        cerr<<"Error! Not able to join to the group... App is about to exit..."
            <<endl;
        exit(-1);
    }
    
    
    return 1;
}

开发者ID:x-y-z，项目名称:Distributed-Chat，代码行数:26，代码来源:chatClient.cpp

示例3: callback

bool callback(const PDU &pdu) 
{
    // The packet probably looks like this:
    //
    // EthernetII / IP / UDP / RawPDU
    //
    // So we retrieve each layer, and construct a 
    // DNS PDU from the RawPDU layer contents.
    EthernetII eth = pdu.rfind_pdu<EthernetII>();
    IP ip = eth.rfind_pdu<IP>();
    UDP udp = ip.rfind_pdu<UDP>();
    DNS dns = udp.rfind_pdu<RawPDU>().to<DNS>();

    // Is it a DNS query?
    if(dns.type() == DNS::QUERY) {
        // Let's see if there's any query for an "A" record.
        for(const auto &query : dns.queries()) {
            if(query.type() == DNS::A) {
                // Here's one! Let's add an answer.
                dns.add_answer(
                    DNS::Resource(
                        query.dname(), 
                        "127.0.0.1",
                        DNS::A, 
                        query.query_class(), 
                        // 777 is just a random TTL
                        777
                    )
                );
            }
        }
        // Have we added some answers?
        if(dns.answers_count() > 0) {
            // It's a response now
            dns.type(DNS::RESPONSE);
            // Recursion is available(just in case)
            dns.recursion_available(1);
            // Build our packet
            auto pkt = EthernetII(eth.src_addr(), eth.dst_addr()) /
                        IP(ip.src_addr(), ip.dst_addr()) /
                        UDP(udp.sport(), udp.dport()) /
                        dns;
            // Send it!
            sender.send(pkt);
        }
    }
    return true;
}

开发者ID:lodagro，项目名称:libtins.github.io，代码行数:48，代码来源:dns-spoof.cpp

示例4: TEST_F

TEST_F(MatchesResponseTest, DHCP) {
    uint8_t dhcp_discover[] = {
        255, 255, 255, 255, 255, 255, 0, 1, 1, 0, 0, 1, 8, 0, 69, 0, 1, 
        25, 77, 62, 0, 0, 64, 17, 44, 151, 0, 0, 0, 0, 255, 255, 255, 
        255, 0, 68, 0, 67, 1, 5, 0, 0, 1, 1, 6, 0, 217, 7, 133, 224, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 
        0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 99, 130, 83, 99, 53, 1, 1, 61, 7, 1, 0, 1, 1, 
        0, 0, 1, 255
    };
    
    uint8_t dhcp_offer[] = {
        0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 2, 8, 0, 69, 0, 1, 28, 221, 161, 
        0, 0, 64, 17, 158, 45, 127, 0, 0, 1, 127, 0, 0, 1, 0, 67, 0, 68, 
        1, 8, 0, 0, 2, 1, 6, 0, 217, 7, 133, 224, 0, 0, 0, 0, 0, 0, 0, 0, 
        127, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
        99, 130, 83, 99, 53, 1, 2, 54, 4, 127, 0, 0, 1, 51, 4, 0, 0, 1, 
        44, 255
    };
    
    EthernetII discover(dhcp_discover, sizeof(dhcp_discover));
    UDP *udp = discover.find_pdu<UDP>();
    const RawPDU *raw = discover.find_pdu<RawPDU>();
    ASSERT_TRUE(udp != NULL);
    ASSERT_TRUE(raw != NULL);
    
    udp->inner_pdu(raw->to<DHCP>());
    EXPECT_TRUE(discover.matches_response(dhcp_offer, sizeof(dhcp_offer)));
    EXPECT_FALSE(discover.matches_response(dhcp_discover, sizeof(dhcp_discover)));
}

开发者ID:Imva，项目名称:libtins，代码行数:47，代码来源:matches_response.cpp

示例5: loop

void loop() {
	if (WiFi.ready()) {
		if (firstTimeReady) {
			firstTimeReady = false;

			// First time we get WiFi.ready(), initialize the UDP listener. This happens
			// every time we reconnect to WiFi.
			mcastUdp.begin(MCAST_PORT);
		}

		if (!haveServerAddr && millis() - serverAddrLastCheck >= SERVER_ADDR_CHECK_RETRY_MS) {
			serverAddrLastCheck = millis();

			// If we don't have a server IP address, request it periodically (every 20 seconds)
			Serial.printlnf("requesting server address at %s:%d", mcastAddr.toString().c_str(), MCAST_PORT);

			strcpy(udpBuffer, "\n");
			mcastUdp.sendPacket(udpBuffer, strlen(udpBuffer), mcastAddr, MCAST_PORT);
		}

		int count = mcastUdp.receivePacket(udpBuffer, UDP_BUFFER_SIZE - 1);
		if (count > 0) {
			udpBuffer[count] = 0;

			// Handle a received UDP packet from the server with the IP address and port of the server
			int addr[4], port;

			if (sscanf(udpBuffer, "%u.%u.%u.%u:%u", &addr[0], &addr[1], &addr[2], &addr[3], &port) == 5) {
				serverAddr = IPAddress(addr[0], addr[1], addr[2], addr[3]);
				serverPort = port;
				haveServerAddr = true;

				Serial.printlnf("serverAddr=%s port=%d", serverAddr.toString().c_str(), serverPort);
			}
		}

	}
	else {
		// If WiFi disconnects, we need to reestablish listeners next time
		firstTimeReady = true;
	}
}

开发者ID:rickkas7，项目名称:serverlocator，代码行数:42，代码来源:cmcastserverlocator.cpp

示例6: openSocket

void openSocket() {
    udp.stop();

    // Get OpenThread interface index (OpenThread interface is named "th1" on all Mesh devices)
    uint8_t idx = 0;
    if_name_to_index("th1", &idx);

    Log.trace("th1 index = %u", idx);

    // Create UDP socket and bind to OpenThread interface
    auto ur = udp.begin(PORT, idx);
    Log.trace("UDP.begin() = %u", ur);

    // Subscribe to ff03::1:1001
    HAL_IPAddress addr = {};
    addr.v = 6;
    inet_inet_pton(AF_INET6, MULTICAST_ADDR, addr.ipv6);
    mcastAddr = addr;
    int r = udp.joinMulticast(mcastAddr);
    Log.trace("Subscribed to %s: %d", MULTICAST_ADDR, r);
}

开发者ID:spark，项目名称:firmware，代码行数:21，代码来源:application.cpp

示例7: sendUDPmessage

//
// UDP stuff
//
void sendUDPmessage( String msg, int port = 5100 )
{
    IPAddress multicast( 225, 1, 1, 1 );
    UDP server;
    
    if ( server.begin( port ) )
    {
        server.beginPacket( multicast, port );
        server.write( msg );
        server.endPacket();
        
        server.stop();
    }
}

开发者ID:lemontongs，项目名称:AllSpark，代码行数:17，代码来源:main.cpp

示例8: parseMacAddress

int WolClient::wake(const char* mac) {
    uint8_t contents[MAGIC_HEADER_LENGTH + REPEAT_MAC * MAC_BYTES];
    uint8_t rawMac[MAC_BYTES];

    parseMacAddress(mac, rawMac);

    UDP udp;
    udp.begin(port);
    udp.beginPacket(broadcastIP, port);

    for (int i = 0; i < MAGIC_HEADER_LENGTH; i++) {
        contents[i] = 0xFF;
    }
    for (uint8_t i = MAGIC_HEADER_LENGTH; i < sizeof contents; i++) {
        contents[i] = rawMac[(i - MAGIC_HEADER_LENGTH) % MAC_BYTES];
    }

    udp.write(contents, sizeof contents);

    udp.endPacket();
    udp.stop();

    return TRUE;
}

开发者ID:massivezz，项目名称:nora，代码行数:24，代码来源:wol_client.cpp

示例9: TEST_F

TEST_F(UDPTest, DefaultContructor) {
    UDP udp;
    EXPECT_EQ(udp.dport(), 0);
    EXPECT_EQ(udp.sport(), 0);
    EXPECT_FALSE(udp.inner_pdu());
}

开发者ID:JeanJoskin，项目名称:libtins，代码行数:6，代码来源:udp.cpp

示例10: test_equals

void UDPTest::test_equals(const UDP& udp1, const UDP& udp2) {
    EXPECT_EQ(udp1.dport(), udp2.dport());
    EXPECT_EQ(udp1.sport(), udp2.sport());
    EXPECT_EQ(udp1.length(), udp2.length());
    EXPECT_EQ(udp1.size(), udp2.size());
    EXPECT_EQ(udp1.header_size(), udp2.header_size());
    EXPECT_EQ(bool(udp1.inner_pdu()), bool(udp2.inner_pdu()));
}

开发者ID:JeanJoskin，项目名称:libtins，代码行数:8，代码来源:udp.cpp

示例11: Serialize

void HapiliMessage::Serialize(UDP& to) {
    to.write((byte*)&header, sizeof(Header));
}

开发者ID:amitgiri0001，项目名称:hapili，代码行数:3，代码来源:HapiliMessage.cpp

示例12: parser

//fuction actually used to process the message.
//it will analyze the header of the message and take actions accordingly.
int chatClient::processMSG(const char* msg, int mlen)
{
    peer newUser;
    string newName, newIP, textmsg, outmsg;
    int newPort, newID;
    int outlen,i;
    int seqNum =0;
    myMsg tempMsg;
    vector<peer>::iterator aIter;
    msgParser parser(msg, mlen);
    
        
    if(parser.isACK()){
        //return 0;
        //since all the UDP_ACKs are handled in the underlaying UDP-wrapper layer, we simply
        //ignore the this message.
    }
    else{
        switch (parser.msgTypeIs()) {
            case join:
                if(status!=ELEC){
                    status=NORMAL;
                    //setup and send a Navi message
                    mmaker.setInfo(sname,s_ip, s_port,s_id);
                    tempMsg = mmaker.makeNavi();
                    msgMaker::serialize(outmsg,outlen,tempMsg);
                    parser.senderInfo(newIP,newName,newPort,newID);
                    
                    UDP joinUDP;
                    joinUDP.setRemoteAddr(newIP.c_str(),newPort);
                    joinUDP.sendToNACK(outmsg.c_str(),outlen);
                    
                    mmaker.setInfo(name,IP, port,C_ID);
                    return 1;
                }
                else{
                    //receive a Join request message during the election, 
                    //push it into message queue and
                    //handle it later on.
                    inMsgQ.push(msg);
                    return 1;
                }
                break;
            case navi:
                //the chatClient get a navi message, which means the one 
                //he asked is not the sequencer, and the info of the 
                //sequencer is returned via this message.
                //get the info of the sequencer and send another join 
                //message to it.
                
                parser.senderInfo(newIP, newName, newPort,newID);
                dojoin(newIP, newPort);
                return 1;
                break;
            case join_ack:
                //get the peerlist and client_id decided by the sequencer 
                //and store them locally for future use.
                
                parser.joinFeedback(msgMaxCnt, C_ID, clientList);
                parser.senderInfo(newIP,newName,newPort,newID);
                s_id = newID;
                s_ip = newIP;
                s_port = newPort;
                sname = newName;
                clntUDP.setRemoteAddr(s_ip.c_str(), s_port);
                //call the setInfo again so as to set the C_ID field
                mmaker.setInfo(name,IP, port,C_ID);
                displayClients();
                status = NORMAL;
                return 1;
                break;
                
            case join_broadcast:
                //get the ip ,port name and client ID of the new user 
                //and store them locally.
                
                if(status!=ELEC){
                    status=NORMAL;
                    parser.senderInfo(newIP, newName, newPort, newID);
                    if(newID==C_ID){
                        return 1;
                    }
                    parser.joinName(newName);
                    memset(&newUser, 0, sizeof(peer));
                    memcpy(newUser.name,newName.c_str(),newName.size());
                    memcpy(newUser.ip, newIP.c_str(), newIP.size());
                    newUser.c_id = newID;
                    newUser.port = newPort;
                    clientList.push_back(newUser);
                    cout<<"NOTICE "<<newUser.name<<" joined on "
                        <<newUser.ip<<":"<<newUser.port<<endl;
                    return 1;
                }
                else{
                    //in wrong state, push the message into message queue 
                    //and handle later on
                    cerr<<"Unexpected Join Broadcast message @"<<name
                        <<" !"<<endl;
//.........这里部分代码省略.........

开发者ID:x-y-z，项目名称:Distributed-Chat，代码行数:101，代码来源:chatClient.cpp

示例13: main

int main(void)
{
    setup();

    while(1)
    {

        if(udp1.recv(buf))
        {
            uart1.printf("\r\n============================");
            uart1.printf("\r\n本地端口:%d", udp1.localPort );
            uart1.printf("\r\n消息来源:%d.%d.%d.%d:%d", udp1.remoteIP[0], udp1.remoteIP[1], udp1.remoteIP[2], udp1.remoteIP[3], udp1.remotePort);
            uart1.printf("\r\n数据内容:");
            uart1.printf((const char *)buf);
            udp1.sendto(udp1.remoteIP, udp1.remotePort, buf, 100);
        }
        if(udp2.recv(buf))
        {
            uart1.printf("\r\n============================");
            uart1.printf("\r\n本地端口:%d", udp2.localPort );
            uart1.printf("\r\n消息来源:%d.%d.%d.%d:%d", udp2.remoteIP[0], udp2.remoteIP[1], udp2.remoteIP[2], udp2.remoteIP[3], udp2.remotePort);
            uart1.printf("\r\n数据内容:");
            uart1.printf((const char *)buf);
            udp2.sendto(udp2.remoteIP, udp2.remotePort, buf, 100);
        }

    }


}

开发者ID:0x1abin，项目名称:ebox_stm32，代码行数:30，代码来源:1.ucp.cpp

示例14: main

int main(void)
{
	setup();

	while(1)
	{
		
		if(udp.recv(recvBuf))
		{
			uart1.printf("\r\n============================");		
			uart1.printf("\r\n本地端口:%d",udp.localPort );
			uart1.printf("\r\n消息来源:%d.%d.%d.%d:%d", udp.remoteIP[0],udp.remoteIP[1],udp.remoteIP[2],udp.remoteIP[3],udp.remotePort);
			uart1.printf("\r\n数据长度:%d",len);		
			uart1.printf("\r\n数据内容:");		
			uart1.printf((const char *)recvBuf);
			udp.sendto(udp.remoteIP,udp.remotePort,recvBuf,100);
		}
//		udp.sendto(rip,8080,data,60);
//		delay_ms(500);




		

	}


}

开发者ID:shentqlf，项目名称:myboot，代码行数:29，代码来源:E_UDP_Interrupt.cpp

示例15: main

int main(void)
{
	setup();
	while(1)
	{
	  res=f_opendir(&DirObject,"/123");//打开目录
    if(res==FR_OK)
    {
      uart1.printf("\r\n打开目录成功 !\r\n");
      uart1.printf("该目录所在簇号：%d\r\n",DirObject.clust);
      uart1.printf("该目录所在扇区号：%d\r\n",DirObject.sect);
    }
    else if(res==FR_NO_PATH)
      uart1.printf("所找目录路径不存在\r\n");    
    else
      uart1.printf("打开目录失败~~~~(>_<)~~~~ \r\n");
		if(udp1.recv(buf))
		{
			uart1.printf("\r\n============================");		
			uart1.printf("\r\n本地端口:%d",udp1.localPort );
			uart1.printf("\r\n消息来源:%d.%d.%d.%d:%d", udp1.remoteIP[0],udp1.remoteIP[1],udp1.remoteIP[2],udp1.remoteIP[3],udp1.remotePort);
			uart1.printf("\r\n数据内容:");		
			uart1.printf((const char *)buf);		
			uart1.printf("\r\n============================");		
			udp1.sendto(udp1.remoteIP,udp1.remotePort,buf,100);
		}
		delay_ms(1000);
	}


}

开发者ID:Hletian，项目名称:ebox_stm32，代码行数:31，代码来源:fat_net.cpp

示例16: setup

void setup()
{
    ebox_init();
    uart1.begin(115200);
    uart1.printf("\r\nuart1 9600 ok!");

    w5500.begin(2, mac, lip, sub, gw, dns);

    attach_eth_to_socket(&w5500);

    w5500.getMAC (ip);
    uart1.printf("\r\nmac : %02x.%02x.%02x.%02x.%02x.%02x\r\n", ip[0], ip[1], ip[2], ip[3], ip[4], ip[5]);
    w5500.getIP (ip);
    uart1.printf("IP : %d.%d.%d.%d\r\n", ip[0], ip[1], ip[2], ip[3]);
    w5500.getSubnet(ip);
    uart1.printf("mask : %d.%d.%d.%d\r\n", ip[0], ip[1], ip[2], ip[3]);
    w5500.getGateway(ip);
    uart1.printf("GW : %d.%d.%d.%d\r\n", ip[0], ip[1], ip[2], ip[3]);
    uart1.printf("Network is ready.\r\n");

    if(udp1.begin(0, 30000) == 0)
        uart1.printf("\r\nudp1 server creat ok! listen on 30000");
    if(udp2.begin(1, 30001) == 0)
        uart1.printf("\r\nudp2 server creat ok! listen on 30001");

}

开发者ID:0x1abin，项目名称:ebox_stm32，代码行数:26，代码来源:1.ucp.cpp

示例17: setup

void setup() {

    // Set the port whis to use for contactign us back
    Udp.begin(8888);

    // Sedn the message to the server
    if (Udp.sendPacket(buffer, 39, remoteIP, port) < 0) {

        Particle.publish("Error");

    }

}

开发者ID:eliot-akira，项目名称:IoT-Raw-Sockets-Examples，代码行数:13，代码来源:udpParticleClient.cpp

示例18: loop

void loop() {

    // First we need to parse before we can check avaiability.
    Udp.parsePacket();

    // While there is data, we display it.
    while(Udp.available()) {

        // Read first char of data received
        char c = Udp.read();

        // Print all the char one by one.
        Serial.print(c);

    }
}

开发者ID:eliot-akira，项目名称:IoT-Raw-Sockets-Examples，代码行数:16，代码来源:udpParticleClient.cpp

示例19: setup

void setup()
{
	ebox_init();
	uart1.begin(9600);
	ret = sd.begin();
	if(!ret)
		uart1.printf("\r\nsdcard init ok!");
	f_mount(0, &fs);

	w5500.begin(mac,lip,sub,gw);

	attachEthToSocket(&w5500);
	attachSDCardToFat(&sd);

  w5500.getMAC (ip);
  uart1.printf("\r\nmac : %02x.%02x.%02x.%02x.%02x.%02x\r\n", ip[0],ip[1],ip[2],ip[3],ip[4],ip[5]);
  w5500.getIP (ip);
  uart1.printf("IP : %d.%d.%d.%d\r\n", ip[0],ip[1],ip[2],ip[3]);
  w5500.getSubnet(ip);
  uart1.printf("mask : %d.%d.%d.%d\r\n", ip[0],ip[1],ip[2],ip[3]);
  w5500.getGateway(ip);
  uart1.printf("GW : %d.%d.%d.%d\r\n", ip[0],ip[1],ip[2],ip[3]);
  uart1.printf("Network is ready.\r\n");
	
	if(udp1.begin(0,30000) == 0)
		uart1.printf("\r\nudp1 server creat ok! listen on 30000");


	uart1.printf("\r\nret = %d",ret);
	ret = sd.getCID(buf);
	uart1.printf("\r\nret = %d",ret);
	uart1.printf((const char*)buf);

	ret = sd.getCSD(buf);
	uart1.printf("\r\nret = %d",ret);

	rl = sd.getCapacity();
	x = (float)rl;
	uart1.printf("\r\n容量 = %f",x/1024/1024);	
   
  res=f_getfree("/",&free_clust,&fss);
       uart1.printf("该分区所有扇区数为：%d\r\n",(fss->max_clust-2)*(fss->csize));
	if(res==FR_OK)
	{
		uart1.printf("该分区所有扇区数为：%d\r\n",(fss->max_clust-2)*(fss->csize));
		uart1.printf("该分区大小为：%dM\r\n",(fss->max_clust-2)*(fss->csize)/2048);
		uart1.printf("该分区空簇数为：%d\r\n",free_clust);
		uart1.printf("该分区空扇区数为：%d\r\n",free_clust*(fss->csize));
	}
	else
		uart1.printf("获取分区空簇失败\r\n,res = %d",res);
	uart1.printf("\r\n");

}

开发者ID:Hletian，项目名称:ebox_stm32，代码行数:54，代码来源:fat_net.cpp

示例20: loop

/* executes continuously after setup() runs */
void loop() {
    static system_tick_t last = 0;
    ssize_t s = udp.receivePacket(buf, sizeof(buf));
    if (s > 0) {
        char tmp[IP_ADDR_STRLEN_MAX] = {};
        auto ip = udp.remoteIP();
        Log.trace("Received %d bytes from %s#%u", s,
                inet_inet_ntop(AF_INET6, ip.raw().ipv6, tmp, sizeof(tmp)), udp.remotePort());
    }

    if ((millis() - last) >= PERIOD) {
        size_t len = random(1, sizeof(buf));
        rng.gen((char*)buf, len);
        auto r = udp.sendPacket(buf, len, mcastAddr, PORT);
        Log.trace("Sent %u bytes to %s#%u : %d %d", len, MULTICAST_ADDR, PORT, r, errno);
        last = millis();
        if (r < 0) {
            openSocket();
        }
    }
}

开发者ID:spark，项目名称:firmware，代码行数:22，代码来源:application.cpp

注：本文中的UDP类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ UDP类代码示例

示例1: UDP

示例2: dojoin

示例3: callback

示例4: TEST_F

示例5: loop

示例6: openSocket

示例7: sendUDPmessage

示例8: parseMacAddress

示例9: TEST_F

示例10: test_equals

示例11: Serialize

示例12: parser

示例13: main

示例14: main

示例15: main

示例16: setup

示例17: setup

示例18: loop

示例19: setup

示例20: loop

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