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106 lines
2.3 KiB
106 lines
2.3 KiB
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#ifndef _UDPTCPNETWORK_H_
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#define _UDPTCPNETWORK_H_
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <string>
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using namespace std;
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#define NET_HOSTLEN 256
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#define NET_PORTLEN 6
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#define NET_BUFFERSIZE 1024
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#define NET_MAX_RETRY 5 // retry to send data EINTR
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#define NET_MAX_TIMEOUT 30000 // timeout in ms
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/************************************************************************
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*
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* global functions needed for networking
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*
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*/
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int dns_filladdr (string host, string port, int ai_family,
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struct sockaddr_storage *sAddr);
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char *itoa(char* buffer, int number, int size);
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/************************************************************************
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*
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* udp related functions
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*
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*/
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class UDP {
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private:
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int sock;
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int localport;
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size_t readcnt;
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size_t writecnt;
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public:
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UDP();
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~UDP();
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int Listen(int port);
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long int ReadTimeout(string *srcaddr, char *buffer, long int len, int timeout_ms);
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long int Read(string *srcaddr, char *buffer, long int len);
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long int Write(string destaddr, char *buffer, long int len);
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void Close();
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int IsListen();
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int IsData(int timeout_ms); // timeout in ms;
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int GetSocket() { return sock; };
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};
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/************************************************************************
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* tcp related functions
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*/
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class TCP {
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private:
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int sock;
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// struct sockaddr_storage localaddr;
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// struct sockaddr_storage remoteaddr;
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string remote_host;
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string remote_port;
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int readcnt;
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int writecnt;
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public:
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TCP();
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TCP(int s);
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TCP(string h, string p);
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TCP(string hostport, int defaultport);
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~TCP();
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int Connect();
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int Connect(string h, string p);
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int Connect(string host, int defaultport);
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long int ReadPop (char *buffer, long int pktlen, long int bufferlen);
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long int ReadTimeout(char *buffer, long int len, int timeout);
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long int Read(char *buffer, long int len);
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long int Write(char *buffer, long int len);
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void Close();
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int IsConnected();
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int IsData(int timeout); // timeout in ms;
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int Listen(int port);
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TCP* Accept();
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int GetSocket() { return sock; };
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void SetSocket(int s, struct sockaddr_storage *saddr, int saddrlen);
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const string WebGetURLHost (string url);
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const string WebGetURLPort (string url);
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const string WebGetURLFile (string url);
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int WebGetFile (string url, char *buffer, int maxsize);
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};
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#endif
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