int pkg_pack(char *buf,void *net_struct,T_PkgType *pkg_type,char delimit)
{
char *cp;
register char *cp1;
register T_PkgType *typ;
cp=buf;
if(!cp)return -1;
cp1=cp;
typ=pkg_type;
if(typ->offset<0) set_offset(pkg_type);// at netvar.c
for(;typ->type>-1;typ++) {
if(typ->bindtype&NOSELECT) continue;
if(typ->type==CH_STRUCT) {
cp1+=pkg_pack(cp1,(char *)net_struct+typ->offset,(T_PkgType *)typ->format,delimit);
continue;
}
cp1+=get_one_str(cp1,net_struct,typ,delimit);
*cp1++=delimit;
*cp1=0;
}
return (cp1-cp);
}
int main ( int argc, char *argv[] )
{
char szRemoteIp[]="127.0.0.1";
uint16_t usRemotePort=32000;
uint8_t szSndBuf[1024];
int32_t iSndLen=sizeof(szSndBuf);
uint8_t szBody[]="test";
uint32_t uLenLeft;
uint32_t uLenSend;
uint32_t uLenOneMsg;
//uint32_t ulTimeout=1000; //ms
struct sockaddr_in m_astTcpSvrAddr;
int iSocket = -1;
int iFlags = 1;
//struct timeval tmTimeout;
//uint8_t szRcvBuf[1024]={0};
//int32_t usRecvBufLen=sizeof(szRcvBuf);
int iRcvBufLen = 8 * 1024;
int i;
//当对方关闭tcp socket,此时再发送数据时将会产生此信号,不处理的话程序将会异常退出
signal(SIGPIPE, SIG_IGN);
if((iSocket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))<0)
{
return -1 ;
}
if(setsockopt(iSocket, SOL_SOCKET, SO_REUSEADDR, &iFlags, sizeof(iFlags)) == -1)
{
close(iSocket);
return -1;
}
if(setsockopt(iSocket, SOL_SOCKET, SO_RCVBUF, (char*)&iRcvBufLen, sizeof(iRcvBufLen)) == -1)
{
close(iSocket);
return -1 ;
}
bzero(&m_astTcpSvrAddr, sizeof(m_astTcpSvrAddr));
m_astTcpSvrAddr.sin_family = AF_INET;
m_astTcpSvrAddr.sin_addr.s_addr = inet_addr(szRemoteIp);
m_astTcpSvrAddr.sin_port = htons(usRemotePort);
if((connect(iSocket,(struct sockaddr *)&m_astTcpSvrAddr,sizeof(m_astTcpSvrAddr)))<0)
{
close(iSocket);
return -1 ;
}
uLenOneMsg=pkg_pack( szBody, strlen((const char*)szBody),0, szSndBuf, iSndLen);
if(uLenOneMsg<0)
{
return -1;
}
iSndLen=uLenOneMsg;
for(i=0; i<=2; i++)
{
memcpy(szSndBuf+iSndLen, szSndBuf, uLenOneMsg);
iSndLen+=uLenOneMsg;
}
uLenLeft = iSndLen ;
uLenSend = 0;
while(uLenLeft>0){
int byte_send = send(iSocket, szSndBuf + uLenSend, 2, 0);
if(byte_send<=0){
printf("errno: %d errstr: %s\n", errno, strerror(errno));
close(iSocket);
return -1 ;
}
uLenSend+=byte_send;
uLenLeft-=byte_send;
sleep(1);
}
printf("send one\n");
//1,封装数据
//2,创建、连接端口
//3,发送数据
//4,接收数据
return 0;
}
