Class: Rhebok

Inherits:
Object
  • Object
show all
Defined in:
lib/rhebok.rb,
lib/rhebok/config.rb,
lib/rhebok/version.rb,
lib/rhebok/buffered.rb

Defined Under Namespace

Classes: Buffered, Config

Constant Summary collapse

VERSION = 
"0.9.0"

Class Method Summary collapse

Class Method Details

.accept_rack(fileno, timeoutv, tcp, env) ⇒ Object 



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# File 'ext/rhebok/rhebok.c', line 538

static
VALUE rhe_accept(VALUE self, VALUE fileno, VALUE timeoutv, VALUE tcp, VALUE env) {
  struct sockaddr_in cliaddr;
  unsigned int len;
  char read_buf[MAX_HEADER_SIZE];
  VALUE req;
  int flag = 1;
  ssize_t rv = 0;
  ssize_t buf_len;
  ssize_t reqlen;
  int fd;
  double timeout = NUM2DBL(timeoutv);

  len = sizeof(cliaddr);
  fd = _accept(NUM2INT(fileno), (struct sockaddr *)&cliaddr, len);

  /* endif */
  if (fd < 0) {
    goto badexit;
  }

  rv = _read_timeout(fd, timeout, &read_buf[0], MAX_HEADER_SIZE);
  if ( rv <= 0 ) {
    close(fd);
    goto badexit;
  }

  if ( tcp == Qtrue ) {
    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char*)&flag, sizeof(int));
    rb_hash_aset(env, remote_addr_key, rb_str_new2(inet_ntoa(cliaddr.sin_addr)));
    rb_hash_aset(env, remote_port_key, rb_String(rb_int_new(ntohs(cliaddr.sin_port))));
  }
  else {
    rb_hash_aset(env, remote_addr_key, vacant_string_val);
    rb_hash_aset(env, remote_port_key, zero_string_val);
  }

  buf_len = rv;
  while (1) {
    reqlen = _parse_http_request(&read_buf[0],buf_len,env);
    if ( reqlen >= 0 ) {
      break;
    }
    else if ( reqlen == -1 ) {
      /* error */
      close(fd);
      goto badexit;
    }
    if ( MAX_HEADER_SIZE - buf_len == 0 ) {
      /* too large header  */
     char* badreq;
     badreq = BAD_REQUEST;
     rv = _write_timeout(fd, timeout, badreq, sizeof(BAD_REQUEST) - 1);
     close(fd);
     goto badexit;
    }
    /* request is incomplete */
    rv = _read_timeout(fd, timeout, &read_buf[buf_len], MAX_HEADER_SIZE - buf_len);
    if ( rv <= 0 ) {
      close(fd);
      goto badexit;
    }
    buf_len += rv;
  }

  VALUE expect_val = rb_hash_aref(env, expect_key);
  if ( expect_val != Qnil ) {
      if ( strncmp(RSTRING_PTR(expect_val), "100-continue", RSTRING_LEN(expect_val)) == 0 ) {
          rv = _write_timeout(fd, timeout, EXPECT_CONTINUE, sizeof(EXPECT_CONTINUE) - 1);
          if ( rv <= 0 ) {
              close(fd);
              goto badexit;
          }
      } else {
          rv = _write_timeout(fd, timeout, EXPECT_FAILED, sizeof(EXPECT_FAILED) - 1);
          close(fd);
          goto badexit;
      }
  }

  req = rb_ary_new2(2);
  rb_ary_push(req, rb_int_new(fd));
  rb_ary_push(req, rb_str_new(&read_buf[reqlen],buf_len - reqlen));
  return req;
 badexit:
  return Qnil;
}

.close_rack(fileno) ⇒ Object 



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# File 'ext/rhebok/rhebok.c', line 776

static
VALUE rhe_close(VALUE self, VALUE fileno) {
  close(NUM2INT(fileno));
  return Qnil;
}

.read_timeout(filenov, rbuf, lenv, offsetv, timeoutv) ⇒ Object 



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# File 'ext/rhebok/rhebok.c', line 626

static
VALUE rhe_read_timeout(VALUE self, VALUE filenov, VALUE rbuf, VALUE lenv, VALUE offsetv, VALUE timeoutv) {
  char * d;
  ssize_t rv;
  int fileno;
  double timeout;
  ssize_t offset;
  ssize_t len;
  fileno = NUM2INT(filenov);
  timeout = NUM2DBL(timeoutv);
  offset = NUM2LONG(offsetv);
  len = NUM2LONG(lenv);
  if ( len > READ_BUF )
    len = READ_BUF;
  d = ALLOC_N(char, len);
  rv = _read_timeout(fileno, timeout, &d[offset], len);
  if ( rv > 0 ) {
    rb_str_cat(rbuf, d, rv);
  }
  xfree(d);
  return rb_int_new(rv);
}

.write_all(fileno, buf, offsetv, timeout) ⇒ Object 



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# File 'ext/rhebok/rhebok.c', line 663

static
VALUE rhe_write_all(VALUE self, VALUE fileno, VALUE buf, VALUE offsetv, VALUE timeout) {
  char * d;
  ssize_t buf_len;
  ssize_t rv = 0;
  ssize_t written = 0;

  buf = rb_String(buf);
  d = RSTRING_PTR(buf);
  buf_len = RSTRING_LEN(buf);

  written = 0;
  while ( buf_len > written ) {
    rv = _write_timeout(NUM2INT(fileno), NUM2DBL(timeout), &d[written], buf_len - written);
    if ( rv <= 0 ) {
      break;
    }
    written += rv;
  }
  if (rv < 0) {
    return Qnil;
  }
  return rb_int_new(written);
}

.write_chunk(fileno, buf, offsetv, timeout) ⇒ Object 



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# File 'ext/rhebok/rhebok.c', line 688

static
VALUE rhe_write_chunk(VALUE self, VALUE fileno, VALUE buf, VALUE offsetv, VALUE timeout) {
  ssize_t buf_len;
  ssize_t rv = 0;
  ssize_t written = 0;
  ssize_t vec_offset = 0;
  int count =0;
  int remain;
  ssize_t iovcnt = 3;
  char chunked_header_buf[18];

  buf = rb_String(buf);
  buf_len = RSTRING_LEN(buf);

  if ( buf_len == 0 ){
      return rb_int_new(0);
  }

  {
    struct iovec v[iovcnt]; // Needs C99 compiler
    v[0].iov_len = _chunked_header(chunked_header_buf,buf_len);
    v[0].iov_base = chunked_header_buf;
    v[1].iov_len = buf_len;
    v[1].iov_base = RSTRING_PTR(buf);
    v[2].iov_base = "\r\n";
    v[2].iov_len = sizeof("\r\n") -1;

    vec_offset = 0;
    written = 0;
    remain = iovcnt;
    while ( remain > 0 ) {
      count = (iovcnt > IOV_MAX) ? IOV_MAX : iovcnt;
      rv = _writev_timeout(NUM2INT(fileno), NUM2DBL(timeout),  &v[vec_offset], count - vec_offset, (vec_offset == 0) ? 0 : 1);
      if ( rv <= 0 ) {
        // error or disconnected
        break;
      }
      written += rv;
      while ( rv > 0 ) {
        if ( (unsigned int)rv >= v[vec_offset].iov_len ) {
          rv -= v[vec_offset].iov_len;
          vec_offset++;
          remain--;
        }
        else {
          v[vec_offset].iov_base = (char*)v[vec_offset].iov_base + rv;
          v[vec_offset].iov_len -= rv;
          rv = 0;
        }
      }
    }
  }
  if ( rv < 0 ) {
    return Qnil;
  }
  return rb_int_new(written);
}

.write_response(filenov, timeoutv, status_codev, headers, body, use_chunkedv, header_onlyv) ⇒ Object 



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# File 'ext/rhebok/rhebok.c', line 782

static
VALUE rhe_write_response(VALUE self, VALUE filenov, VALUE timeoutv, VALUE status_codev, VALUE headers, VALUE body, VALUE use_chunkedv, VALUE header_onlyv) {
  ssize_t hlen = 0;
  ssize_t blen = 0;

  ssize_t rv = 0;
  ssize_t iovcnt;
  ssize_t vec_offset;
  ssize_t written;
  int count;
  int i;
  int remain;
  char status_line[512];
  char date_line[512];
  char server_line[1032];
  int date_pushed = 0;
  VALUE harr;
  VALUE key_obj;
  VALUE val_obj;
  char * key;
  ssize_t key_len;
  const char * message;

  const char * s;
  char * d;
  ssize_t n;

  char * chunked_header_buf;
  
  int fileno = NUM2INT(filenov);
  double timeout = NUM2DBL(timeoutv);
  int status_code = NUM2INT(status_codev);
  int use_chunked = NUM2INT(use_chunkedv);
  int header_only = NUM2INT(header_onlyv);
  
  /* status_with_no_entity_body */
  if ( status_code < 200 || status_code == 204 || status_code == 304 ) {
    use_chunked = 0;
  }
  
  harr = rb_ary_new();
  RB_GC_GUARD(harr);
  rb_hash_foreach(headers, header_to_array, harr);
  hlen = RARRAY_LEN(harr);
  blen = RARRAY_LEN(body);
  iovcnt = 10 + (hlen * 2) + blen;
  if ( use_chunked )
      iovcnt += blen*2;
  chunked_header_buf = ALLOC_N(char, 32 * blen);

  {
    struct iovec v[iovcnt]; // Needs C99 compiler
    /* status line */
    iovcnt = 0;
    i=0;
    status_line[i++] = 'H';
    status_line[i++] = 'T';
    status_line[i++] = 'T';
    status_line[i++] = 'P';
    status_line[i++] = '/';
    status_line[i++] = '1';
    status_line[i++] = '.';
    status_line[i++] = '1';
    status_line[i++] = ' ';
    str_i(status_line,&i,status_code,3);
    status_line[i++] = ' ';
    message = status_message(status_code);
    str_s(status_line, &i, message, strlen(message));
    status_line[i++] = 13;
    status_line[i++] = 10;
    v[iovcnt].iov_base = status_line;
    v[iovcnt].iov_len = i;
    iovcnt++;

    /* for date header */
    iovcnt++;

    v[iovcnt].iov_base = "Server: Rhebok\r\n";
    v[iovcnt].iov_len = sizeof("Server: Rhebok\r\n")-1;
    iovcnt++;

    date_pushed = 0;
    for ( i = 0; i < hlen; i++ ) {
      key_obj = rb_ary_entry(harr, i);
      key = RSTRING_PTR(key_obj);
      key_len = RSTRING_LEN(key_obj);
      i++;

      if ( strncasecmp(key,"Connection",key_len) == 0 ) {
        continue;
      }

      val_obj = rb_ary_entry(harr, i);

      if ( strncasecmp(key,"Date",key_len) == 0 ) {
        strcpy(date_line, "Date: ");
        for ( s=RSTRING_PTR(val_obj), n = RSTRING_LEN(val_obj), d=date_line+sizeof("Date: ")-1; n !=0; s++, --n, d++) {
          *d = *s;
        }
        date_line[sizeof("Date: ") -1 + RSTRING_LEN(val_obj)] = 13;
        date_line[sizeof("Date: ") -1 + RSTRING_LEN(val_obj) + 1] = 10;
        v[1].iov_base = date_line;
        v[1].iov_len = sizeof("Date: ") -1 + RSTRING_LEN(val_obj) + 2;
        date_pushed = 1;
        continue;
      }
      if ( strncasecmp(key,"Server",key_len) == 0 ) {
        strcpy(server_line, "Server: ");
        for ( s=RSTRING_PTR(val_obj), n = RSTRING_LEN(val_obj), d=server_line+sizeof("Server: ")-1; n !=0; s++, --n, d++) {
          *d = *s;
        }
        server_line[sizeof("Server: ") -1 + RSTRING_LEN(val_obj)] = 13;
        server_line[sizeof("Server: ") -1 + RSTRING_LEN(val_obj) + 1] = 10;
        v[2].iov_base = server_line;
        v[2].iov_len = sizeof("Server: ") -1 + RSTRING_LEN(val_obj) + 2;
        continue;
      }

      v[iovcnt].iov_base = key;
      v[iovcnt].iov_len = key_len;
      iovcnt++;
      v[iovcnt].iov_base = ": ";
      v[iovcnt].iov_len = sizeof(": ") - 1;
      iovcnt++;

      /* value */
      v[iovcnt].iov_base = RSTRING_PTR(val_obj);
      v[iovcnt].iov_len = RSTRING_LEN(val_obj);
      iovcnt++;
      v[iovcnt].iov_base = "\r\n";
      v[iovcnt].iov_len = sizeof("\r\n") - 1;
      iovcnt++;
    }

    if ( date_pushed == 0 ) {
      v[1].iov_len = _date_line(date_line);
      v[1].iov_base = date_line;
    }

    if ( use_chunked ) {
      v[iovcnt].iov_base = "Transfer-Encoding: chunked\r\n";
      v[iovcnt].iov_len = sizeof("Transfer-Encoding: chunked\r\n") - 1;
      iovcnt++;
    }

    v[iovcnt].iov_base = "Connection: close\r\n\r\n";
    v[iovcnt].iov_len = sizeof("Connection: close\r\n\r\n") - 1;
    iovcnt++;

    ssize_t chb_offset = 0;
    for ( i=0; i<blen; i++) {
      val_obj = rb_String(rb_ary_entry(body, i));
      if ( RSTRING_LEN(val_obj) == 0 ) {
          continue;
      }
      if ( use_chunked ) {
          v[iovcnt].iov_len = _chunked_header(&chunked_header_buf[chb_offset],RSTRING_LEN(val_obj));
          v[iovcnt].iov_base = &chunked_header_buf[chb_offset];
          chb_offset += v[iovcnt].iov_len;
          iovcnt++;
      }
      v[iovcnt].iov_base = RSTRING_PTR(val_obj);
      v[iovcnt].iov_len = RSTRING_LEN(val_obj);
      iovcnt++;
      if ( use_chunked ) {
          v[iovcnt].iov_base = "\r\n";
          v[iovcnt].iov_len = sizeof("\r\n") -1;
          iovcnt++;
      }
    }
    if ( use_chunked && header_only == 0 ) {
      v[iovcnt].iov_base = "0\r\n\r\n";
      v[iovcnt].iov_len = sizeof("0\r\n\r\n") - 1;
      iovcnt++;
    }

    vec_offset = 0;
    written = 0;
    remain = iovcnt;
    while ( remain > 0 ) {
      count = (iovcnt > IOV_MAX) ? IOV_MAX : iovcnt;
      rv = _writev_timeout(fileno, timeout,  &v[vec_offset], count - vec_offset, (vec_offset == 0) ? 0 : 1);
      if ( rv <= 0 ) {
        // error or disconnected
        break;
      }
      written += rv;
      while ( rv > 0 ) {
        if ( (unsigned int)rv >= v[vec_offset].iov_len ) {
          rv -= v[vec_offset].iov_len;
          vec_offset++;
          remain--;
        }
        else {
          v[vec_offset].iov_base = (char*)v[vec_offset].iov_base + rv;
          v[vec_offset].iov_len -= rv;
          rv = 0;
        }
      }
    }
  }
  xfree(chunked_header_buf);
  if ( rv < 0 ) {
    return Qnil;
  }
  return rb_int_new(written);
}

.write_timeout(fileno, buf, len, offset, timeout) ⇒ Object 



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# File 'ext/rhebok/rhebok.c', line 649

static
VALUE rhe_write_timeout(VALUE self, VALUE fileno, VALUE buf, VALUE len, VALUE offset, VALUE timeout) {
  char* d;
  ssize_t rv;
  buf = rb_String(buf);
  d = RSTRING_PTR(buf);
  rv = _write_timeout(NUM2INT(fileno), NUM2DBL(timeout), &d[NUM2LONG(offset)], NUM2LONG(len));
  if ( rv < 0 ) {
    return Qnil;
  }
  return rb_int_new(rv);
}