For the sample htmlget.d,after modification again,now it gets compiled,but when
it gets running,nothing show in the console:
/*
HTMLget written by Christopher E. Miller
This code is public domain.
You may use it for any purpose.
This code has no warranties and is provided 'as-is'.
*/
//debug = HTMLGET;
module htmlget;
import std.string, std.conv, std.stream;
import std.socket, std.socketstream;
import std.stdio;
int main(string[] args)
{
uint addr;
if(args.length < 2)
{
printf("Usage:\n htmlget <web-page>\n");
return 0;
}
string url = args[1];
int i;
//i = std.string.find(url, "://");
i=std.string.indexOf(url,"://");
if(i != -1)
{
if(icmp(url[0 .. i], "http"))
throw new Exception("http:// expected");
}
//i = std.string.find(url, '#');
i=std.string.indexOf(url,'#');
if(i != -1) // Remove anchor ref.
url = url[0 .. i];
//i = std.string.find(url, '/');
i=std.string.indexOf(url,'/');
string domain;
if(i == -1)
{
domain = url;
url = "/";
}
else
{
domain = url[0 .. i];
url = url[i .. url.length];
}
ushort/*uint*/ port;
//i = std.string.find(domain, ':');
i=std.string.indexOf(domain,':');
if(i == -1)
{
port = 80; // Default HTTP port.
}
else
{
//port = std.conv.toUshort(domain[i + 1 .. domain.length]);
port=std.conv.to!(ushort)(domain[i+1..domain.length]);
domain = domain[0 .. i];
}
addr=InternetAddress.parse(domain);
debug(HTMLGET)
printf("Connecting to " ~ domain ~ " on port " ~
std.string.to!string(port) ~ "...\n");
auto Socket sock = new TcpSocket(new
std.socket.InternetAddress(addr/*domain*/, port));
Stream ss = new SocketStream(sock);
debug(HTMLGET)
printf("Connected!\nRequesting URL \"" ~ url ~ "\"...\n");
if(port != 80)
{
char[] temp=cast(char[]) domain;
temp=temp~cast(char[])":" ~cast(char[]) (to!string(port));
domain=cast(string)temp;
//domain = domain ~ ":" ~ std.string.to!string(port);
}
ss.writeString("GET " ~ url ~ " HTTP/1.1\r\n"
"Host: " ~ domain ~ "\r\n"
"\r\n");
// Skip HTTP header.
string line;
for(;;)
{
line = cast(string)ss.readLine();
if(!line.length)
break;
const string CONTENT_TYPE_NAME = "Content-Type: ";
if(line.length > CONTENT_TYPE_NAME.length &&
!icmp(CONTENT_TYPE_NAME, line[0 ..
CONTENT_TYPE_NAME.length]))
{
string type;
type = line[CONTENT_TYPE_NAME.length .. line.length];
if(type.length <= 5 || icmp("text/", type[0 .. 5]))
throw new Exception("URL is not text");
}
}
print_lines:
while(!ss.eof())
{
line = cast(string)ss.readLine();
printf("%.*s\n", line);
//if(std.string.ifind(line, "</html>") != -1)
// break;
size_t iw;
for(iw = 0; iw != line.length; iw++)
{
if(!icmp("</html>", line[iw .. line.length]))
break print_lines;
}
}
return 0;
}
Help would be appreciated.
Regards,
Sam
