The C language is written in a simple HTTP request, and analysis of its response, the principle is very simple, mainly to analyze the HTTP response, the trouble is to extract the game information
Copy Code code as follows:
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/epoll.h>
#include <fcntl.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <syslog.h>
#include <pthread.h>
#include <sys/mman.h>
Header files for #include <netdb.h>//struct hostent structure
#include <time.h>
#define UserAgent "wget/1.10.2"
#define ACCEPT "*/*"
#define Acceptlanguage "zh-cn,zh;q=0.5"
#define Acceptencoding "Gzip,deflate"
#define Acceptcharset "gb2312,utf-8;q=0.7,*;q=0.7"
#define KEEPALIVE "300"
#define CONNECTION "Keep-alive"
#define CONTENTTYPE "application/x-www-form-urlencoded"
#define HOSTNAME "www.zhibo8.cc"
#define DEBUG 1
Char request[409600]= "";
Char recive[409600]= "";
struct Hostent *host;
int sockfd=0;
FILE *FP;
struct sockaddr_in server_addr;
int year;
int Mon;
int day;
int wday;
int count=0;
void Handline (char *l);
void Saveresult ();
void Getdayinfo ();
void GetTime ();
int getlocalagent (char * useragent, char * Accept, char * acceptlanguage, char * acceptencoding, char * acceptcharset, Cha R * KeepAlive, char * Connection, char * ContentType)
{
memcpy (useragent, useragent, strlen (useragent));
memcpy (Accept, Accept, strlen (Accept));
memcpy (Acceptlanguage, Acceptlanguage, strlen (acceptlanguage));
memcpy (acceptencoding, acceptencoding, strlen (acceptencoding));
memcpy (Acceptcharset, Acceptcharset, strlen (Acceptcharset));
memcpy (KeepAlive, KeepAlive, strlen (KeepAlive));
memcpy (Connection, Connection, strlen (Connection));
memcpy (ContentType, ContentType, strlen (ContentType));
return 0;
}
void Creatrequest ()
{
Char useragent[1024] = "", accept[1024] = "", acceptlanguage[1024] = "", acceptencoding[1024] = "", acceptcharset[1024] = "", keepalive[1024] = "", connection[1024] = "", contenttype[1024] = "";
if ((Host=gethostbyname ("www.zhibo8.cc")) ==null)//Get IP addresses by domain * *
{
if (DEBUG) fprintf (stderr, "\tgethostname '%s ' Error,%s\n", HOSTNAME, Strerror (errno));
Exit (1);
}
Getlocalagent (useragent, Accept, Acceptlanguage, acceptencoding, Acceptcharset, KeepAlive, Connection, ContentType); /* Get client browser Information * *
sprintf (Request, "Get/%s/%s http/1.0\r\nhost:%s\r\nuser-agent:%s\r\naccept:%s\r\nconnection:%s\r\n\r\n", "/", "", HOSTNAME, useragent, Accept, Connection);
}
Copy Code code as follows:
void Connectweb ()
{
if ((Sockfd=socket (af_inet,sock_stream,0)) ==-1)
{
fprintf (stderr, "T SOCKET error:%s\a\n", Strerror (errno));
Exit (1);
}
memset (&server_addr,0,sizeof (SERVER_ADDR));
server_addr.sin_family = af_inet;
Server_addr.sin_port = htons (80);
server_addr.sin_addr = * (struct in_addr *) host->h_addr);
if (Connect (SOCKFD, (struct sockaddr*) (&server_addr), sizeof (struct sockaddr)) ==-1)
{
fprintf (stderr, "T CONNECT error:%s\a\n", Strerror (errno));
Exit (1);
}
}
void SendRequest ()
{
int wn=0;
Wn=write (Sockfd,request,strlen (Request));
if (wn==-1)
{
fprintf (stderr, "T SEND error:%s\a\n", Strerror (errno));
Exit (1);
}
fprintf (stdout, "\n\trequest.") Send ok!\n ");
}
void Saveresult ()
{
Fd_set Readfds;
struct Timeval tival;
int I,j,ret;
i=j=ret=0;
int n=0;
RECIVE:
Fd_zero (&readfds);
tival.tv_sec=10;
tival.tv_usec=0;
if (sockfd>0)
Fd_set (Sockfd,&readfds);
Ret=select (Sockfd+1,&readfds,null,null,&tival);
if (ret==0)
{
if (n++<2)
Goto RECIVE;
}
if (Fd_isset (Sockfd,&readfds))
{
/* Read all the appropriate content to the local file * *
while (Read (sockfd,recive,sizeof (Recive))
{
Fwrite (Recive,sizeof (Recive), 1,FP);
memset (recive,0,sizeof (Recive));
}
}
}
Copy Code code as follows:
void Echoresult ()
{
Fd_set Readfds;
struct Timeval tival;
int I,j,ret;
i=j=ret=0;
int n=0;
RECIVE:
Fd_zero (&readfds);
tival.tv_sec=2;
tival.tv_usec=0;
if (sockfd>0)
Fd_set (Sockfd,&readfds);
Ret=select (Sockfd+1,&readfds,null,null,&tival);
if (ret==0)
{
if (n++<2)
Goto RECIVE;
}
if (Fd_isset (Sockfd,&readfds))
{
char c;
while (read (sockfd,&c,1))
{
if (c== ' d ')
{
Read (sockfd,&c,1);
if (c== ' I ')
{
Read (sockfd,&c,1);
if (c== ' V ')
{
Read (sockfd,&c,1);
if (c== ')
{
Read (sockfd,&c,1);
if (c== ' C ')
{
Read (sockfd,&c,1);
if (c== ' l ')
{
Read (sockfd,&c,1);
if (c== ' a ')
{
Read (sockfd,&c,1);
if (c== ' s ')
{
Read (sockfd,&c,1);
if (c== ' s ')
{
Read (sockfd,&c,1);
if (c== ' = ')
{
Read (sockfd,&c,1);
if (c== ' ")
{
Read (sockfd,&c,1);
if (c== ' t ')
{
Read (sockfd,&c,1);
if (c== ' I ')
{
Read (sockfd,&c,1);
if (c== ' t ')
{
Read (sockfd,&c,1);
if (c== ' l ')
{
Read (sockfd,&c,1);
if (c== ' e ')
{
Read (sockfd,&c,1);
if (c== ' B ')
{
Read (sockfd,&c,1);
if (c== ' a ')
{
Read (sockfd,&c,1);
if (c== ' R ');
{
Read (sockfd,&c,1);
if (c== ' ")
Getdayinfo ();
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
Copy Code code as follows:
void Getdayinfo ()
{
int F=open ("./s.txt", o_wronly| O_creat);
Char T;
Char line[1024]= "";
int sday=wday+count;
if (count++>=7)
Return
printf ("\n***********%d%d months%d days, week%d **********************\n\n", year,mon,day+count-1,sday>7?sday%7:sday);
while (read (sockfd,&t,1))/* Handles daily game information that is <ul></ul> content * *
{
if (t== ' l ')
{
Read (sockfd,&t,1);
if (t== ' I ');
{
int ln=0;
memset (line) (line,0,sizeof);
while (Read (sockfd,line+ (ln++), 1))/* Handles the information <li></li> contents of each line * *
{
Char *s=strstr (line, "</li>");
if (s!=null)
Break
}
line[ln]=0;
Handline (line);
}
}
else if (t== '/')
{
Read (sockfd,&t,1);
if (t== ' u ')
{
Read (sockfd,&t,1);
if (t== ' l ');
Return
}
}
}
}
void Handline (char *l)
{
l++;
Char *nba= "NBA regular Game";
Char *p=strstr (L,NBA);
if (p==null)
Return
Char *t=strstr (L, "<b");
int Lt=strlen (L)-strlen (t);
Char *time= (char*) malloc (sizeof (char) *lt);
memcpy (TIME,L,LT);
Char *p1=strstr (P, "/b>");
Char *p2=strstr (P, "<a");
int N=strlen (p1)-strlen (p2)-3;
Char *teamvsteam= (char*) malloc (n*sizeof (char));
memcpy (Teamvsteam,p1+3,n);
Char *p3=strstr (p2, "_blank\" >);
Char *p4=strstr (P3, "</a>");
int M=strlen (p3)-strlen (p4)-8;
Char *live= (char*) malloc (sizeof (char) *m);
memcpy (LIVE,P3+8,M);
printf ("time:%s the teams:%s TV live:%s\n", time,teamvsteam,live);
}
void GetTime ()
{
time_t Rawtime;
struct TM *timeinfo;
Time (&rawtime);
Timeinfo=localtime (&rawtime);
year=timeinfo->tm_year+1900;
Mon =timeinfo->tm_mon+1;
Day =timeinfo->tm_mday;
wday=timeinfo->tm_wday;
if (wday==0)
wday=7;
}
int main ()
{
Fp=fopen ("Info.txt", "w");
if (fp==null)
{
fprintf (stderr, "creat file is error \ n");
Exit (1);
}
Creatrequest ();
Connectweb ();
SendRequest ();
Echoresult ();
printf (' Is ' End!! \ n ");
return 0;
}
