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/*
* Copyright (C) Alexander Borisov
* Copyright (C) NGINX, Inc.
*/
#include <ruby/nxt_ruby.h>
#include <nxt_unit.h>
static VALUE nxt_ruby_stream_io_new(VALUE class, VALUE wrap);
static VALUE nxt_ruby_stream_io_initialize(int argc, VALUE *argv, VALUE self);
static VALUE nxt_ruby_stream_io_gets(VALUE obj);
static VALUE nxt_ruby_stream_io_each(VALUE obj);
static VALUE nxt_ruby_stream_io_read(VALUE obj, VALUE args);
static VALUE nxt_ruby_stream_io_rewind(VALUE obj);
static VALUE nxt_ruby_stream_io_puts(VALUE obj, VALUE args);
static VALUE nxt_ruby_stream_io_write(VALUE obj, VALUE args);
nxt_inline long nxt_ruby_stream_io_s_write(nxt_ruby_run_ctx_t *run_ctx,
VALUE val);
static VALUE nxt_ruby_stream_io_flush(VALUE obj);
VALUE
nxt_ruby_stream_io_input_init(void)
{
VALUE stream_io;
stream_io = rb_define_class("NGINX_Unit_Stream_IO_Read", rb_cData);
rb_gc_register_address(&stream_io);
rb_define_singleton_method(stream_io, "new", nxt_ruby_stream_io_new, 1);
rb_define_method(stream_io, "initialize",
nxt_ruby_stream_io_initialize, -1);
rb_define_method(stream_io, "gets", nxt_ruby_stream_io_gets, 0);
rb_define_method(stream_io, "each", nxt_ruby_stream_io_each, 0);
rb_define_method(stream_io, "read", nxt_ruby_stream_io_read, -2);
rb_define_method(stream_io, "rewind", nxt_ruby_stream_io_rewind, 0);
return stream_io;
}
VALUE
nxt_ruby_stream_io_error_init(void)
{
VALUE stream_io;
stream_io = rb_define_class("NGINX_Unit_Stream_IO_Error", rb_cData);
rb_gc_register_address(&stream_io);
rb_define_singleton_method(stream_io, "new", nxt_ruby_stream_io_new, 1);
rb_define_method(stream_io, "initialize",
nxt_ruby_stream_io_initialize, -1);
rb_define_method(stream_io, "puts", nxt_ruby_stream_io_puts, -2);
rb_define_method(stream_io, "write", nxt_ruby_stream_io_write, -2);
rb_define_method(stream_io, "flush", nxt_ruby_stream_io_flush, 0);
return stream_io;
}
static VALUE
nxt_ruby_stream_io_new(VALUE class, VALUE wrap)
{
VALUE self;
nxt_ruby_run_ctx_t *run_ctx;
Data_Get_Struct(wrap, nxt_ruby_run_ctx_t, run_ctx);
self = Data_Wrap_Struct(class, 0, 0, run_ctx);
rb_obj_call_init(self, 0, NULL);
return self;
}
static VALUE
nxt_ruby_stream_io_initialize(int argc, VALUE *argv, VALUE self)
{
return self;
}
static VALUE
nxt_ruby_stream_io_gets(VALUE obj)
{
VALUE buf;
char *p;
size_t size, b_size;
nxt_unit_buf_t *b;
nxt_ruby_run_ctx_t *run_ctx;
nxt_unit_request_info_t *req;
Data_Get_Struct(obj, nxt_ruby_run_ctx_t, run_ctx);
req = run_ctx->req;
if (req->content_length == 0) {
return Qnil;
}
size = 0;
for (b = req->content_buf; b; b = nxt_unit_buf_next(b)) {
b_size = b->end - b->free;
p = memchr(b->free, '\n', b_size);
if (p != NULL) {
p++;
size += p - b->free;
break;
}
size += b_size;
}
buf = rb_str_buf_new(size);
if (buf == Qnil) {
return Qnil;
}
size = nxt_unit_request_read(req, RSTRING_PTR(buf), size);
rb_str_set_len(buf, size);
return buf;
}
static VALUE
nxt_ruby_stream_io_each(VALUE obj)
{
VALUE chunk;
if (rb_block_given_p() == 0) {
rb_raise(rb_eArgError, "Expected block on rack.input 'each' method");
}
for ( ;; ) {
chunk = nxt_ruby_stream_io_gets(obj);
if (chunk == Qnil) {
return Qnil;
}
rb_yield(chunk);
}
return Qnil;
}
static VALUE
nxt_ruby_stream_io_read(VALUE obj, VALUE args)
{
VALUE buf;
long copy_size, u_size;
nxt_ruby_run_ctx_t *run_ctx;
Data_Get_Struct(obj, nxt_ruby_run_ctx_t, run_ctx);
copy_size = run_ctx->req->content_length;
if (RARRAY_LEN(args) > 0 && TYPE(RARRAY_PTR(args)[0]) == T_FIXNUM) {
u_size = NUM2LONG(RARRAY_PTR(args)[0]);
if (u_size < 0 || copy_size == 0) {
return Qnil;
}
if (copy_size > u_size) {
copy_size = u_size;
}
}
if (copy_size == 0) {
return rb_str_new_cstr("");
}
buf = rb_str_buf_new(copy_size);
if (nxt_slow_path(buf == Qnil)) {
return Qnil;
}
copy_size = nxt_unit_request_read(run_ctx->req, RSTRING_PTR(buf),
copy_size);
if (RARRAY_LEN(args) > 1 && TYPE(RARRAY_PTR(args)[1]) == T_STRING) {
rb_str_set_len(RARRAY_PTR(args)[1], 0);
rb_str_cat(RARRAY_PTR(args)[1], RSTRING_PTR(buf), copy_size);
}
rb_str_set_len(buf, copy_size);
return buf;
}
static VALUE
nxt_ruby_stream_io_rewind(VALUE obj)
{
return Qnil;
}
static VALUE
nxt_ruby_stream_io_puts(VALUE obj, VALUE args)
{
nxt_ruby_run_ctx_t *run_ctx;
if (RARRAY_LEN(args) != 1) {
return Qnil;
}
Data_Get_Struct(obj, nxt_ruby_run_ctx_t, run_ctx);
nxt_ruby_stream_io_s_write(run_ctx, RARRAY_PTR(args)[0]);
return Qnil;
}
static VALUE
nxt_ruby_stream_io_write(VALUE obj, VALUE args)
{
long len;
nxt_ruby_run_ctx_t *run_ctx;
if (RARRAY_LEN(args) != 1) {
return Qnil;
}
Data_Get_Struct(obj, nxt_ruby_run_ctx_t, run_ctx);
len = nxt_ruby_stream_io_s_write(run_ctx, RARRAY_PTR(args)[0]);
return LONG2FIX(len);
}
nxt_inline long
nxt_ruby_stream_io_s_write(nxt_ruby_run_ctx_t *run_ctx, VALUE val)
{
if (nxt_slow_path(val == Qnil)) {
return 0;
}
if (TYPE(val) != T_STRING) {
val = rb_funcall(val, rb_intern("to_s"), 0);
if (TYPE(val) != T_STRING) {
return 0;
}
}
nxt_unit_req_error(run_ctx->req, "Ruby: %s", RSTRING_PTR(val));
return RSTRING_LEN(val);
}
static VALUE
nxt_ruby_stream_io_flush(VALUE obj)
{
return Qnil;
}
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