void
send_response()
{
str host = parse_host(client.request,find_header(client.request->headers,_("Host")));
str method = parse_method(client.request);
begin_response();
client.response->status = host && method ? dispatch_method(method) : error_handler(400);
end_response();
disconnect();
}
static int scan_request(struct connection *cn)
{
char *s;
int c, state;
s = cn->header_input.middle;
state = cn->header_input.state;
while (state != 8 && s < cn->header_input.end) {
c = *s++;
if (c == 0) {
log_d("read_connection: NUL in headers");
close_connection(cn);
return -1;
}
switch (state) {
case 0:
switch (c) {
default:
state = 1;
break;
case '\r':
case '\n':
break;
case ' ':
case '\t':
state = 2;
break;
}
if (state) {
gettimeofday(&cn->itv, 0);
set_connection_state(cn, HC_READING);
}
break;
case 1:
switch (c) {
default:
break;
case ' ':
case '\t':
state = 2;
break;
case '\r':
state = 3;
break;
case '\n':
state = 8;
break;
}
break;
case 2:
switch (c) {
case 'H':
state = 4;
break;
default:
state = 1;
break;
case ' ':
case '\t':
break;
case '\r':
state = 3;
break;
case '\n':
state = 8;
break;
}
break;
case 3:
switch (c) {
case '\n':
state = 8;
break;
default:
state = 1;
break;
case ' ':
case '\t':
state = 2;
break;
case '\r':
break;
}
break;
case 4:
switch (c) {
case '\r':
state = 5;
break;
case '\n':
state = 6;
break;
}
break;
case 5:
switch (c) {
default:
state = 4;
case '\r':
break;
case '\n':
state = 6;
break;
}
break;
case 6:
switch (c) {
case '\r':
state = 7;
break;
case '\n':
state = 8;
break;
default:
state = 4;
break;
}
break;
case 7:
switch (c) {
default:
state = 4;
case '\r':
break;
case '\n':
state = 8;
break;
}
break;
}
}
cn->header_input.state = state;
cn->header_input.middle = s;
if (state == 8) {
if (process_request(cn->r) == -1) {
switch (cn->connection_state) {
case HC_FORKED:
return 0;
default:
close_connection(cn);
case HC_FREE:
return -1;
}
}
if (begin_response(cn) == -1) {
close_connection(cn);
return -1;
}
set_connection_state(cn, HC_WRITING);
}
return 0;
}
