Add Thrift native extensions to Evernote gem

1 files changed, 441 insertions, 0 deletions

diff --git a/ext/binary_protocol_accelerated.c b/ext/binary_protocol_accelerated.c
new file mode 100644
index 0000000..bd1c2da
--- /dev/null
+++ b/ext/binary_protocol_accelerated.c
@@ -0,0 +1,441 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <ruby.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <constants.h>
+#include <struct.h>
+#include "macros.h"
+
+VALUE rb_thrift_binary_proto_native_qmark(VALUE self) {
+  return Qtrue;
+}
+
+
+
+static int VERSION_1;
+static int VERSION_MASK;
+static int TYPE_MASK;
+static int BAD_VERSION;
+static ID rbuf_ivar_id;
+
+static void write_byte_direct(VALUE trans, int8_t b) {
+  WRITE(trans, (char*)&b, 1);
+}
+
+static void write_i16_direct(VALUE trans, int16_t value) {
+  char data[2];
+  
+  data[1] = value;
+  data[0] = (value >> 8);
+
+  WRITE(trans, data, 2);
+}
+
+static void write_i32_direct(VALUE trans, int32_t value) {
+  char data[4];
+
+  data[3] = value;
+  data[2] = (value >> 8);
+  data[1] = (value >> 16);
+  data[0] = (value >> 24);
+
+  WRITE(trans, data, 4);
+}
+
+
+static void write_i64_direct(VALUE trans, int64_t value) {
+  char data[8];
+
+  data[7] = value;
+  data[6] = (value >> 8);
+  data[5] = (value >> 16);
+  data[4] = (value >> 24);
+  data[3] = (value >> 32);
+  data[2] = (value >> 40);
+  data[1] = (value >> 48);
+  data[0] = (value >> 56);
+
+  WRITE(trans, data, 8);
+}
+
+static void write_string_direct(VALUE trans, VALUE str) {
+  if (TYPE(str) != T_STRING) {
+    rb_raise(rb_eStandardError, "Value should be a string");    
+  }
+  write_i32_direct(trans, RSTRING_LEN(str));
+  rb_funcall(trans, write_method_id, 1, str);
+}
+
+//--------------------------------
+// interface writing methods
+//--------------------------------
+
+VALUE rb_thrift_binary_proto_write_message_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_struct_begin(VALUE self, VALUE name) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_struct_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_field_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_map_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_list_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_set_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_message_begin(VALUE self, VALUE name, VALUE type, VALUE seqid) {
+  VALUE trans = GET_TRANSPORT(self);
+  VALUE strict_write = GET_STRICT_WRITE(self);
+
+  if (strict_write == Qtrue) {
+    write_i32_direct(trans, VERSION_1 | FIX2INT(type));
+    write_string_direct(trans, name);
+    write_i32_direct(trans, FIX2INT(seqid));
+  } else {
+    write_string_direct(trans, name);
+    write_byte_direct(trans, FIX2INT(type));
+    write_i32_direct(trans, FIX2INT(seqid));
+  }
+  
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_field_begin(VALUE self, VALUE name, VALUE type, VALUE id) {
+  VALUE trans = GET_TRANSPORT(self);
+  write_byte_direct(trans, FIX2INT(type));
+  write_i16_direct(trans, FIX2INT(id));
+  
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_field_stop(VALUE self) {
+  write_byte_direct(GET_TRANSPORT(self), TTYPE_STOP);
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_map_begin(VALUE self, VALUE ktype, VALUE vtype, VALUE size) {
+  VALUE trans = GET_TRANSPORT(self);
+  write_byte_direct(trans, FIX2INT(ktype));
+  write_byte_direct(trans, FIX2INT(vtype));
+  write_i32_direct(trans, FIX2INT(size));
+  
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_list_begin(VALUE self, VALUE etype, VALUE size) {
+  VALUE trans = GET_TRANSPORT(self);
+  write_byte_direct(trans, FIX2INT(etype));
+  write_i32_direct(trans, FIX2INT(size));
+  
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_set_begin(VALUE self, VALUE etype, VALUE size) {
+  rb_thrift_binary_proto_write_list_begin(self, etype, size);
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_bool(VALUE self, VALUE b) {
+  write_byte_direct(GET_TRANSPORT(self), RTEST(b) ? 1 : 0);
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_byte(VALUE self, VALUE byte) {
+  CHECK_NIL(byte);
+  write_byte_direct(GET_TRANSPORT(self), NUM2INT(byte));
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_i16(VALUE self, VALUE i16) {
+  CHECK_NIL(i16);
+  write_i16_direct(GET_TRANSPORT(self), FIX2INT(i16));
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_i32(VALUE self, VALUE i32) {
+  CHECK_NIL(i32);
+  write_i32_direct(GET_TRANSPORT(self), NUM2INT(i32));
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_i64(VALUE self, VALUE i64) {
+  CHECK_NIL(i64);
+  write_i64_direct(GET_TRANSPORT(self), NUM2LL(i64));
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_double(VALUE self, VALUE dub) {
+  CHECK_NIL(dub);
+  // Unfortunately, bitwise_cast doesn't work in C.  Bad C!
+  union {
+    double f;
+    int64_t t;
+  } transfer;
+  transfer.f = RFLOAT_VALUE(rb_Float(dub));
+  write_i64_direct(GET_TRANSPORT(self), transfer.t);
+
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_write_string(VALUE self, VALUE str) {
+  CHECK_NIL(str);
+  VALUE trans = GET_TRANSPORT(self);
+  write_string_direct(trans, str);
+  return Qnil;
+}
+
+//---------------------------------------
+// interface reading methods
+//---------------------------------------
+
+VALUE rb_thrift_binary_proto_read_string(VALUE self);
+VALUE rb_thrift_binary_proto_read_byte(VALUE self);
+VALUE rb_thrift_binary_proto_read_i32(VALUE self);
+VALUE rb_thrift_binary_proto_read_i16(VALUE self);
+
+static char read_byte_direct(VALUE self) {
+  VALUE byte = rb_funcall(GET_TRANSPORT(self), read_byte_method_id, 0);
+  return (char)(FIX2INT(byte));
+}
+
+static int16_t read_i16_direct(VALUE self) {
+  VALUE rbuf = rb_ivar_get(self, rbuf_ivar_id);
+  rb_funcall(GET_TRANSPORT(self), read_into_buffer_method_id, 2, rbuf, INT2FIX(2));
+  return (int16_t)(((uint8_t)(RSTRING_PTR(rbuf)[1])) | ((uint16_t)((RSTRING_PTR(rbuf)[0]) << 8)));
+}
+
+static int32_t read_i32_direct(VALUE self) {
+  VALUE rbuf = rb_ivar_get(self, rbuf_ivar_id);
+  rb_funcall(GET_TRANSPORT(self), read_into_buffer_method_id, 2, rbuf, INT2FIX(4));
+  return ((uint8_t)(RSTRING_PTR(rbuf)[3])) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[2])) << 8) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[1])) << 16) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[0])) << 24);
+}
+
+static int64_t read_i64_direct(VALUE self) {
+  VALUE rbuf = rb_ivar_get(self, rbuf_ivar_id);
+  rb_funcall(GET_TRANSPORT(self), read_into_buffer_method_id, 2, rbuf, INT2FIX(8));
+  uint64_t hi = ((uint8_t)(RSTRING_PTR(rbuf)[3])) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[2])) << 8) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[1])) << 16) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[0])) << 24);
+  uint32_t lo = ((uint8_t)(RSTRING_PTR(rbuf)[7])) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[6])) << 8) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[5])) << 16) |
+    (((uint8_t)(RSTRING_PTR(rbuf)[4])) << 24);
+  return (hi << 32) | lo;
+}
+
+static VALUE get_protocol_exception(VALUE code, VALUE message) {
+  VALUE args[2];
+  args[0] = code;
+  args[1] = message;
+  return rb_class_new_instance(2, (VALUE*)&args, protocol_exception_class);
+}
+
+VALUE rb_thrift_binary_proto_read_message_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thift_binary_proto_read_struct_begin(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thift_binary_proto_read_struct_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thift_binary_proto_read_field_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thift_binary_proto_read_map_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thift_binary_proto_read_list_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thift_binary_proto_read_set_end(VALUE self) {
+  return Qnil;
+}
+
+VALUE rb_thrift_binary_proto_read_message_begin(VALUE self) {
+  VALUE strict_read = GET_STRICT_READ(self);
+  VALUE name, seqid;
+  int type;
+  
+  int version = read_i32_direct(self);
+  
+  if (version < 0) {
+    if ((version & VERSION_MASK) != VERSION_1) {
+      rb_exc_raise(get_protocol_exception(INT2FIX(BAD_VERSION), rb_str_new2("Missing version identifier")));
+    }
+    type = version & TYPE_MASK;
+    name = rb_thrift_binary_proto_read_string(self);
+    seqid = rb_thrift_binary_proto_read_i32(self);
+  } else {
+    if (strict_read == Qtrue) {
+      rb_exc_raise(get_protocol_exception(INT2FIX(BAD_VERSION), rb_str_new2("No version identifier, old protocol client?")));
+    }
+    name = READ(self, version);
+    type = read_byte_direct(self);
+    seqid = rb_thrift_binary_proto_read_i32(self);
+  }
+  
+  return rb_ary_new3(3, name, INT2FIX(type), seqid);
+}
+
+VALUE rb_thrift_binary_proto_read_field_begin(VALUE self) {
+  int type = read_byte_direct(self);
+  if (type == TTYPE_STOP) {
+    return rb_ary_new3(3, Qnil, INT2FIX(type), INT2FIX(0));
+  } else {
+    VALUE id = rb_thrift_binary_proto_read_i16(self);
+    return rb_ary_new3(3, Qnil, INT2FIX(type), id);
+  }
+}
+
+VALUE rb_thrift_binary_proto_read_map_begin(VALUE self) {
+  VALUE ktype = rb_thrift_binary_proto_read_byte(self);
+  VALUE vtype = rb_thrift_binary_proto_read_byte(self);
+  VALUE size = rb_thrift_binary_proto_read_i32(self);
+  return rb_ary_new3(3, ktype, vtype, size);
+}
+
+VALUE rb_thrift_binary_proto_read_list_begin(VALUE self) {
+  VALUE etype = rb_thrift_binary_proto_read_byte(self);
+  VALUE size = rb_thrift_binary_proto_read_i32(self);
+  return rb_ary_new3(2, etype, size);
+}
+
+VALUE rb_thrift_binary_proto_read_set_begin(VALUE self) {
+  return rb_thrift_binary_proto_read_list_begin(self);
+}
+
+VALUE rb_thrift_binary_proto_read_bool(VALUE self) {
+  char byte = read_byte_direct(self);
+  return byte != 0 ? Qtrue : Qfalse;
+}
+
+VALUE rb_thrift_binary_proto_read_byte(VALUE self) {
+  return INT2FIX(read_byte_direct(self));
+}
+
+VALUE rb_thrift_binary_proto_read_i16(VALUE self) {
+  return INT2FIX(read_i16_direct(self));
+}
+
+VALUE rb_thrift_binary_proto_read_i32(VALUE self) {
+  return INT2NUM(read_i32_direct(self));
+}
+
+VALUE rb_thrift_binary_proto_read_i64(VALUE self) {
+  return LL2NUM(read_i64_direct(self));
+}
+
+VALUE rb_thrift_binary_proto_read_double(VALUE self) {
+  union {
+    double f;
+    int64_t t;
+  } transfer;
+  transfer.t = read_i64_direct(self);
+  return rb_float_new(transfer.f);
+}
+
+VALUE rb_thrift_binary_proto_read_string(VALUE self) {
+  int size = read_i32_direct(self);
+  return READ(self, size);
+}
+
+void Init_binary_protocol_accelerated() {
+  VALUE thrift_binary_protocol_class = rb_const_get(thrift_module, rb_intern("BinaryProtocol"));
+
+  VERSION_1 = rb_num2ll(rb_const_get(thrift_binary_protocol_class, rb_intern("VERSION_1")));
+  VERSION_MASK = rb_num2ll(rb_const_get(thrift_binary_protocol_class, rb_intern("VERSION_MASK")));
+  TYPE_MASK = rb_num2ll(rb_const_get(thrift_binary_protocol_class, rb_intern("TYPE_MASK")));
+
+  VALUE bpa_class = rb_define_class_under(thrift_module, "BinaryProtocolAccelerated", thrift_binary_protocol_class);
+
+  rb_define_method(bpa_class, "native?", rb_thrift_binary_proto_native_qmark, 0);
+
+  rb_define_method(bpa_class, "write_message_begin", rb_thrift_binary_proto_write_message_begin, 3);
+  rb_define_method(bpa_class, "write_field_begin",   rb_thrift_binary_proto_write_field_begin, 3);
+  rb_define_method(bpa_class, "write_field_stop",    rb_thrift_binary_proto_write_field_stop, 0);
+  rb_define_method(bpa_class, "write_map_begin",     rb_thrift_binary_proto_write_map_begin, 3);
+  rb_define_method(bpa_class, "write_list_begin",    rb_thrift_binary_proto_write_list_begin, 2);
+  rb_define_method(bpa_class, "write_set_begin",     rb_thrift_binary_proto_write_set_begin, 2);
+  rb_define_method(bpa_class, "write_byte",          rb_thrift_binary_proto_write_byte, 1);
+  rb_define_method(bpa_class, "write_bool",          rb_thrift_binary_proto_write_bool, 1);
+  rb_define_method(bpa_class, "write_i16",           rb_thrift_binary_proto_write_i16, 1);
+  rb_define_method(bpa_class, "write_i32",           rb_thrift_binary_proto_write_i32, 1);
+  rb_define_method(bpa_class, "write_i64",           rb_thrift_binary_proto_write_i64, 1);
+  rb_define_method(bpa_class, "write_double",        rb_thrift_binary_proto_write_double, 1);
+  rb_define_method(bpa_class, "write_string",        rb_thrift_binary_proto_write_string, 1);
+  // unused methods
+  rb_define_method(bpa_class, "write_message_end", rb_thrift_binary_proto_write_message_end, 0);
+  rb_define_method(bpa_class, "write_struct_begin", rb_thrift_binary_proto_write_struct_begin, 1);
+  rb_define_method(bpa_class, "write_struct_end", rb_thrift_binary_proto_write_struct_end, 0);
+  rb_define_method(bpa_class, "write_field_end", rb_thrift_binary_proto_write_field_end, 0);
+  rb_define_method(bpa_class, "write_map_end", rb_thrift_binary_proto_write_map_end, 0);
+  rb_define_method(bpa_class, "write_list_end", rb_thrift_binary_proto_write_list_end, 0);
+  rb_define_method(bpa_class, "write_set_end", rb_thrift_binary_proto_write_set_end, 0);
+
+  rb_define_method(bpa_class, "read_message_begin",  rb_thrift_binary_proto_read_message_begin, 0);
+  rb_define_method(bpa_class, "read_field_begin",    rb_thrift_binary_proto_read_field_begin, 0);
+  rb_define_method(bpa_class, "read_map_begin",      rb_thrift_binary_proto_read_map_begin, 0);
+  rb_define_method(bpa_class, "read_list_begin",     rb_thrift_binary_proto_read_list_begin, 0);
+  rb_define_method(bpa_class, "read_set_begin",      rb_thrift_binary_proto_read_set_begin, 0);
+  rb_define_method(bpa_class, "read_byte",           rb_thrift_binary_proto_read_byte, 0);
+  rb_define_method(bpa_class, "read_bool",           rb_thrift_binary_proto_read_bool, 0);
+  rb_define_method(bpa_class, "read_i16",            rb_thrift_binary_proto_read_i16, 0);
+  rb_define_method(bpa_class, "read_i32",            rb_thrift_binary_proto_read_i32, 0);
+  rb_define_method(bpa_class, "read_i64",            rb_thrift_binary_proto_read_i64, 0);
+  rb_define_method(bpa_class, "read_double",         rb_thrift_binary_proto_read_double, 0);
+  rb_define_method(bpa_class, "read_string",         rb_thrift_binary_proto_read_string, 0);
+  // unused methods
+  rb_define_method(bpa_class, "read_message_end", rb_thrift_binary_proto_read_message_end, 0);
+  rb_define_method(bpa_class, "read_struct_begin", rb_thift_binary_proto_read_struct_begin, 0);
+  rb_define_method(bpa_class, "read_struct_end", rb_thift_binary_proto_read_struct_end, 0);
+  rb_define_method(bpa_class, "read_field_end", rb_thift_binary_proto_read_field_end, 0);
+  rb_define_method(bpa_class, "read_map_end", rb_thift_binary_proto_read_map_end, 0);
+  rb_define_method(bpa_class, "read_list_end", rb_thift_binary_proto_read_list_end, 0);
+  rb_define_method(bpa_class, "read_set_end", rb_thift_binary_proto_read_set_end, 0);
+
+  rbuf_ivar_id = rb_intern("@rbuf");
+}