Transfer-Encoding chunked C写个解析

最新推荐文章于 2024-06-08 08:00:00 发布

ZRXSLYG

最新推荐文章于 2024-06-08 08:00:00 发布

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CC 4.0 BY-SA版权

分类专栏： C

本文链接：https://blog.youkuaiyun.com/ZRXSLYG/article/details/90048464

#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>


#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include <fcntl.h>
#include <unistd.h>
#include <errno.h>

#define min(a,b) (a)<(b)?(a):(b)

int readline_sock(int sockfd,char* RecvData,int RecvLen)
{
	char tmp;
	int len = 0;
	int ret;
	while(len < RecvLen && (ret = recv(sockfd,&tmp,1,0)) == 1)
	{
		if(tmp == '\r')
			break;
		memcpy(RecvData + len,&tmp,1);
		len += 1;
	}
	if(ret != 1)
	{
		printf("readline err %d %s",errno,strerror(errno));
		return -1;
	}
	if(len == RecvLen)
		return len;
	if(tmp == '\r')
	{
		ret = recv(sockfd,&tmp,1,0);
		if(ret != 1)
		{
			printf("readline err %d %s",errno,strerror(errno));
			return -1;
		}
		else
		{
			return len;
		}
	}
}

int readbytes_sock(int sockfd,char* RecvData,int RecvLen)
{
	int len = 0,l = 0;
	
	while((len = recv(sockfd,RecvData + l,RecvLen - l,0)) > 0)
	{
		l += len;
	}
	if(len < 0)
		return len;
	return l;
}


int connect_alipay_new(char *host,int port,char *sendData,int sendData_len,char *recvData,int recvData_maxlen)
{
	int sockfd;
	struct hostent *phost = NULL;
	struct sockaddr_in sin;
	char tmp[0x8000 + 1];
	int tmp_len = 0;
	char name[100],value[100],*index1,*index2;
	
	int fd = 0;
	int recv_len = 0 ,len,len2;
	
	
	printf("gethostbyname start %s\n",__TIME__);
	phost = gethostbyname(host);
	if(phost ==NULL)	return;
	
	sockfd = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
	printf("gethostbyname end ok %s\n",__TIME__);
	sin.sin_family = AF_INET;
	sin.sin_port = htons(port);
	sin.sin_addr = *(struct in_addr*)phost-&