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libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
libevent+protobuf轻松搭建tcpserver1. 基础代码 设置某fd为O_NONBLOCK模式 int set_non_block(int fd); server端socket流程:socket(),setsoc...1. 基础代码
// 设置某fd为O_NONBLOCK模式
int set_non_block(int fd);
// server端socket流程:socket(),setsockopt(),bi...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
... void * pCtx = NULL;
void * pSock = NULL;
const char * pAddr = "tcp://*:7766";
//创建context，zmq的socket 需要在context上进行创建
if((pCtx = zmq_ctx_new()) == NULL)
{
return 0;
}
//创建zmq socket ，socket目前有6中属性 ，这里使...
HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...载均衡解决方案 HAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代理，支持虚拟主机，它是免费、快速并且可靠的一种解决方案。HAProxy特别适用于那些负载特大的web站点， 这些站点通常又 HAProxy提供高可用性、负载均衡...
Connection to SQL Server Works Sometimes
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It turned out that TCP/IP was enabled for the IPv4 address, but not for the IPv6 address, of THESERVER.
Apparently some connection attempts ended up using IPv4 and others used IPv6.
Enabling TCP/IP for both IP versions resolved the issue.
Th...
How do you connect localhost in the Android emulator? [duplicate]
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you should change the adb port with this command:
adb reverse tcp:8880 tcp:8880; adb reverse tcp:8081 tcp:8081; adb reverse tcp:8881 tcp:8881
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How does push notification technology work on Android?
...eard during an Android developers conference in Israel:
There is simply a TCP socket waiting in accept mode on a cloud Google server. The TCP connection had been initiated by the Google Play application. That's why Google Play must be installed on the device for making Google Cloud Messaging (GCM) ...
What's the difference between streams and datagrams in network programming?
...laces the call, the other answers, you say hello to each other (SYN/ACK in TCP), and then you exchange information. Once you are done, you say goodbye (FIN/ACK in TCP). If one side doesn't hear a goodbye, they will usually call the other back since this is an unexpected event; usually the client w...
How should one go about choosing a default TCP/IP port for a new service?
When developing an app that will listen on a TCP/IP port, how should one go about selecting a default port? Assume that this app will be installed on many computers, and that avoiding port conflicts is desired.
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port forwarding in windows
...k for me on Windows7 nor on Windows Server 2003. I had to specify protocol=tcp parameter too. Full command: netsh interface portproxy add v4tov4 listenport=4422 listenaddress=192.168.1.111 connectport=80 connectaddress=192.168.0.33 protocol=tcp
– alwi
Sep 15 '1...
socks5代理工作流程及技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...oxy-protocolsocks5协议是一款广泛使用的代理协议，它在使用TCP IP协议通讯的前端机器和服务器机器之间扮演一个中介角色，使得内部网中的前端机器变得能够访问Internet网中的服 一、socks5协议
socks5协议是一款广泛使用的代理协...