Class: Iodine::Base::RackTmpFileIO
- Inherits:
-
Object
- Object
- Iodine::Base::RackTmpFileIO
- Defined in:
- ext/iodine/rb-rack-io.c
Instance Method Summary collapse
-
#_hijack(*args) ⇒ Object
for Rack: rack.hijack_io.
-
#close ⇒ Object
Does nothing - this is controlled by the server.
-
#each ⇒ Object
Passes each line of the input to the block.
-
#gets ⇒ Object
Gets returns a line.
-
#read(*args) ⇒ Object
Reads data from the IO, according to the Rack specifications for ‘#read`.
-
#rewind ⇒ Object
Rewinds the IO, so that it is read from the begining.
Instance Method Details
#_hijack(*args) ⇒ Object
for Rack: rack.hijack_io
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# File 'ext/iodine/rb-rack-io.c', line 329
static VALUE rio_get_io(int argc, VALUE *argv, VALUE self) {
if (TCPSOCKET_CLASS == Qnil)
return Qfalse;
intptr_t fduuid = get_uuid(self);
// hijack the IO object
VALUE fd = INT2FIX(sock_uuid2fd(fduuid));
VALUE env = rb_ivar_get(self, env_id);
// make sure we're not repeating ourselves
VALUE new_io = rb_hash_aref(env, IODINE_R_HIJACK_IO);
if (new_io != Qnil)
return new_io;
// VALUE new_io = how the fuck do we create a new IO from the fd?
new_io = RubyCaller.call2(TCPSOCKET_CLASS, for_fd_id, 1,
&fd); // TCPSocket.for_fd(fd) ... cool...
rb_hash_aset(env, IODINE_R_HIJACK_IO, new_io);
if (argc)
rb_hash_aset(env, IODINE_R_HIJACK_CB, *argv);
return new_io;
}
|
#close ⇒ Object
Does nothing - this is controlled by the server.
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# File 'ext/iodine/rb-rack-io.c', line 304
static VALUE tfio_close(VALUE self) {
(void)self;
return Qnil;
}
|
#each ⇒ Object
Passes each line of the input to the block. This should be avoided.
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# File 'ext/iodine/rb-rack-io.c', line 310
static VALUE tfio_each(VALUE self) {
rb_need_block();
rio_rewind(self);
VALUE str = Qnil;
while ((str = tfio_gets(self)) != Qnil) {
rb_yield(str);
}
return self;
}
|
#gets ⇒ Object
Gets returns a line. this is okay for small lines, but shouldn’t really be used.
Limited to ~ 1Mb of a line length.
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# File 'ext/iodine/rb-rack-io.c', line 214
static VALUE tfio_gets(VALUE self) {
int fd = get_tmpfile(self);
size_t pos = get_pos(self);
size_t end = get_end(self);
if (pos == end)
return Qnil;
size_t pos_e = pos;
char c;
int ret;
VALUE buffer;
do {
ret = pread(fd, &c, 1, pos_e);
} while (ret > 0 && c != '\n' && (++pos_e < end));
set_pos(self, pos_e + 1);
if (pos > pos_e) {
buffer = rb_str_buf_new(pos_e - pos);
// make sure the buffer is binary encoded.
rb_enc_associate(buffer, IodineBinaryEncoding);
if (pread(fd, RSTRING_PTR(buffer), pos_e - pos, pos) < 0)
return Qnil;
rb_str_set_len(buffer, pos_e - pos);
return buffer;
}
return Qnil;
}
|
#read(*args) ⇒ Object
Reads data from the IO, according to the Rack specifications for ‘#read`.
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# File 'ext/iodine/rb-rack-io.c', line 242
static VALUE tfio_read(int argc, VALUE *argv, VALUE self) {
int fd = get_tmpfile(self);
size_t pos = get_pos(self);
size_t end = get_end(self);
VALUE buffer = Qnil;
char ret_nil = 0;
ssize_t len = 0;
// get the buffer object if given
if (argc == 2) {
Check_Type(argv[1], T_STRING);
buffer = argv[1];
}
// get the length object, if given
if (argc > 0 && argv[0] != Qnil) {
Check_Type(argv[0], T_FIXNUM);
len = FIX2LONG(argv[0]);
if (len < 0)
rb_raise(rb_eRangeError, "length should be bigger then 0.");
ret_nil = 1;
}
// return if we're at the EOF.
if (pos == end)
goto no_data;
// calculate length if it wasn't specified.
if (len == 0) {
// make sure we're not reading more then we have
len = end - pos;
// set position for future reads
set_pos(self, end);
if (len == 0)
goto no_data;
} else {
// set position for future reads
set_pos(self, pos + len);
}
// limit read to what we have
if (len + pos > end)
len = end - pos;
// create the buffer if we don't have one.
if (buffer == Qnil) {
buffer = rb_str_buf_new(len);
// make sure the buffer is binary encoded.
rb_enc_associate(buffer, IodineBinaryEncoding);
} else {
// make sure the buffer is binary encoded.
rb_enc_associate(buffer, IodineBinaryEncoding);
if (rb_str_capacity(buffer) < (size_t)len)
rb_str_resize(buffer, len);
}
// read the data.
if (pread(fd, RSTRING_PTR(buffer), len, pos) <= 0)
goto no_data;
rb_str_set_len(buffer, len);
return buffer;
no_data:
if (ret_nil)
return Qnil;
else
return rb_str_buf_new(0);
}
|
#rewind ⇒ Object
Rewinds the IO, so that it is read from the begining.
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# File 'ext/iodine/rb-rack-io.c', line 182 static VALUE rio_rewind(VALUE self) { set_pos(self, 0); return self; } |