c_cpp Ç发送HTTP

Posted 2021-05-14

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <string.h>


#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <time.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
 


#define MYPORT 14930
#define BACKLOG 10
#define BUFFLEN 2000
#define HEADLEN 512

typedef struct MSG
{
	int len;
	char * buf;
}MSG,pMSG;


using namespace std;

char * MakeHttpPost(char *host, char *szData)
{	
	if(NULL == szData)
	{
		szData = "";
	}

	int iDataLen = strlen(szData);
	int iPostLen = iDataLen + HEADLEN;

	char *szPost = NULL;
	szPost = (char* )malloc(sizeof(char) * iPostLen);
	if(NULL == szPost)
	{
		printf("Function %s Malloc error!\n", __FUNCTION__);
		return NULL;
	}
	memset(szPost, 0, sizeof(char) * iPostLen);
	
	snprintf(szPost, iPostLen, "POST /WatchData/ HTTP/1.1\nHost: %s\nUser-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:58.0) Gecko/20100101 Firefox/58.0\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\nAccept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2\nContent-Type: application/x-www-form-urlencoded\nContent-Length: %d\nCookie:\nDNT: 1\nConnection: Keep-Alive\nUpgrade-Insecure-Requests: 1\n\n%s\r\n\r\n",host, iDataLen, szData);

	return szPost;
}




int clientLinkTCP(int *sockfd, const char *IPaddr, int port, struct sockaddr_in *servaddr)
{

	if ((*sockfd = socket(AF_INET,SOCK_STREAM,0)) == -1)
	{
		perror("socket");
		return -1;
	}

	bzero(servaddr, sizeof(*servaddr));
	(*servaddr).sin_family = AF_INET;
	(*servaddr).sin_port = htons(port);
	inet_aton(IPaddr, &(*servaddr).sin_addr);

	if(connect(*sockfd, (struct sockaddr *) servaddr, sizeof(struct sockaddr_in)) == -1)
	{
		perror("connect");
		return -2;
	}
	

	return 0;

}

int main(int argc, char *argv[]) {
	int sockfd;

	struct sockaddr_in servaddr;
	
	clientLinkTCP(&sockfd,"192.168.1.204",8000,&servaddr);
	
	for(int i = 0; i < 5; i++)
	{	
		char host[128] = "192.168.1.204:8000";
		clientLinkTCP(&sockfd,"192.168.1.204",8000,&servaddr);

		MSG msg;
		memset(&msg, 0, sizeof(msg));

		char temp[128] = {0};
		sprintf(temp,"id=username_%d",i);

		char *head = NULL;
		head = MakeHttpPost(host,temp);

		msg.len = strlen(head);
		
		printf("head:%s\n",head);
		msg.buf = head;
		int iSendLen = 0;
	
		while(iSendLen < msg.len){
			iSendLen += send(sockfd, msg.buf+iSendLen, msg.len, 0);//发送字符串
		}
		free(head);	

		int iRecvLen = 0;

//		sleep(1);
	}

	
	close(sockfd);
	return 0;
	
	
}