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Added Ruby support.

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This commit is contained in:
Alexander Borisov
2018-03-21 16:50:07 +03:00
parent 778a90c319
commit 37051b6c15
11 changed files with 1534 additions and 1 deletions
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290
src/ruby/nxt_ruby_stream_io.c Normal file
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/*
* Copyright (C) Alexander Borisov
* Copyright (C) NGINX, Inc.
*/
#include <ruby/nxt_ruby.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, VALUE args);
static size_t nxt_ruby_stream_io_read_line(nxt_app_rmsg_t *rmsg, VALUE str);
static VALUE nxt_ruby_stream_io_each(VALUE obj, VALUE args);
static VALUE nxt_ruby_stream_io_read(VALUE obj, VALUE args);
static VALUE nxt_ruby_stream_io_rewind(VALUE obj, VALUE args);
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 args);
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 args)
{
VALUE buf;
nxt_ruby_run_ctx_t *run_ctx;
Data_Get_Struct(obj, nxt_ruby_run_ctx_t, run_ctx);
if (run_ctx->body_preread_size == 0) {
return Qnil;
}
buf = rb_str_buf_new(1);
if (buf == Qnil) {
return Qnil;
}
run_ctx->body_preread_size -= nxt_ruby_stream_io_read_line(run_ctx->rmsg,
buf);
return buf;
}
static size_t
nxt_ruby_stream_io_read_line(nxt_app_rmsg_t *rmsg, VALUE str)
{
size_t len, size;
u_char *p;
nxt_buf_t *buf;
len = 0;
for (buf = rmsg->buf; buf != NULL; buf = buf->next) {
size = nxt_buf_mem_used_size(&buf->mem);
p = memchr(buf->mem.pos, '\n', size);
if (p != NULL) {
p++;
size = p - buf->mem.pos;
rb_str_cat(str, (const char *) buf->mem.pos, size);
len += size;
buf->mem.pos = p;
break;
}
rb_str_cat(str, (const char *) buf->mem.pos, size);
len += size;
buf->mem.pos = buf->mem.free;
}
rmsg->buf = buf;
return len;
}
static VALUE
nxt_ruby_stream_io_each(VALUE obj, VALUE args)
{
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, Qnil);
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;
size_t len;
nxt_ruby_run_ctx_t *run_ctx;
Data_Get_Struct(obj, nxt_ruby_run_ctx_t, run_ctx);
copy_size = run_ctx->body_preread_size;
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;
}
len = nxt_app_msg_read_raw(run_ctx->task, run_ctx->rmsg,
RSTRING_PTR(buf), (size_t) 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, (long) len);
run_ctx->body_preread_size -= len;
return buf;
}
static VALUE
nxt_ruby_stream_io_rewind(VALUE obj, VALUE args)
{
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_log_error(NXT_LOG_ERR, run_ctx->task->log, "Ruby: %s",
RSTRING_PTR(val));
return RSTRING_LEN(val);
}
static VALUE
nxt_ruby_stream_io_flush(VALUE obj, VALUE args)
{
return Qnil;
}