Class: Mysql2Replication::Client

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
ext/mysql2-replication/mysql2_replication.c

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 825

static VALUE
rbm2_replication_client_initialize(int argc, VALUE *argv, VALUE self)
{
  VALUE rb_client;
  VALUE rb_options;
  VALUE rb_checksum = RUBY_Qnil;

  rb_scan_args(argc, argv, "10:", &rb_client, &rb_options);
  if (!RB_NIL_P(rb_options)) {
    static ID keyword_ids[1];
    VALUE keyword_args[1];
    if (keyword_ids[0] == 0) {
      CONST_ID(keyword_ids[0], "checksum");
    }
    rb_get_kwargs(rb_options, keyword_ids, 0, 1, keyword_args);
    if (keyword_args[0] != RUBY_Qundef) {
      rb_checksum = keyword_args[0];
    }
  }

  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  wrapper->rb_client = rb_client;
  wrapper->rpl =
    mariadb_rpl_init(rbm2_replication_client_wrapper_get_client(wrapper));
  if (!wrapper->rpl) {
    rbm2_replication_client_raise(self);
  }

  {
    VALUE rb_query;
    if (RB_NIL_P(rb_checksum)) {
      rb_query = rb_str_new_cstr("SET @master_binlog_checksum = "
                                 "@@global.binlog_checksum");
    } else {
      rb_query = rb_sprintf("SET @master_binlog_checksum = '%"PRIsVALUE"'",
                            rb_checksum);
    }
    ID id_query;
    CONST_ID(id_query, "query");
    rb_funcall(rb_client, id_query, 1, rb_query);
  }
  if (rb_equal(rb_str_new_cstr("NONE"), rb_checksum)) {
    wrapper->force_disable_use_checksum = true;
  } else {
    wrapper->force_disable_use_checksum = false;
  }

  return RUBY_Qnil;
}

Instance Method Details

#close ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 1018

static VALUE
rbm2_replication_client_close(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  rb_thread_call_without_gvl(rbm2_replication_client_close_without_gvl,
                             wrapper,
                             RUBY_UBF_IO,
                             0);
  return Qnil;
}

#each ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 1275

static VALUE
rbm2_replication_client_each(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  MYSQL *client = rbm2_replication_client_wrapper_get_client(wrapper);
  do {
    MARIADB_RPL_EVENT *event =
      rb_thread_call_without_gvl(rbm2_replication_client_fetch_without_gvl,
                                 wrapper,
                                 RUBY_UBF_IO,
                                 0);
    if (mysql_errno(client) != 0) {
      rbm2_replication_client_raise(self);
    }
    if (!event) {
      if (wrapper->rpl->buffer_size == 0) {
        return RUBY_Qnil;
      }
      continue;
    }
    rb_yield(rbm2_replication_event_new(wrapper, event));
  } while (true);
  return RUBY_Qnil;
}

#fetch ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 1250

static VALUE
rbm2_replication_client_fetch(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  MYSQL *client = rbm2_replication_client_wrapper_get_client(wrapper);
  do {
    MARIADB_RPL_EVENT *event =
      rb_thread_call_without_gvl(rbm2_replication_client_fetch_without_gvl,
                                 wrapper,
                                 RUBY_UBF_IO,
                                 0);
    if (mysql_errno(client) != 0) {
      rbm2_replication_client_raise(self);
    }
    if (!event) {
      if (wrapper->rpl->buffer_size == 0) {
        return RUBY_Qnil;
      }
      continue;
    }
    return rbm2_replication_event_new(wrapper, event);
  } while (true);
}

#file_name ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 876

static VALUE
rbm2_replication_client_get_file_name(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  const char *file_name;
  size_t file_name_length;
  int result = mariadb_rpl_get_optionsv(wrapper->rpl,
                                        MARIADB_RPL_FILENAME,
                                        &file_name,
                                        &file_name_length);
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return rb_str_new(file_name, file_name_length);
}

#file_name=(file_name) ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 893

static VALUE
rbm2_replication_client_set_file_name(VALUE self, VALUE file_name)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  int result;
  if (RB_NIL_P(file_name)) {
    result = mariadb_rpl_optionsv(wrapper->rpl,
                                  MARIADB_RPL_FILENAME,
                                  NULL,
                                  0);
  } else {
    result = mariadb_rpl_optionsv(wrapper->rpl,
                                  MARIADB_RPL_FILENAME,
                                  RSTRING_PTR(file_name),
                                  RSTRING_LEN(file_name));
  }
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return file_name;
}

#flags ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 974

static VALUE
rbm2_replication_client_get_flags(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  unsigned int flags;
  int result = mariadb_rpl_get_optionsv(wrapper->rpl,
                                        MARIADB_RPL_FLAGS,
                                        &flags);
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return UINT2NUM(flags);
}

#flags=(flags) ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 989

static VALUE
rbm2_replication_client_set_flags(VALUE self, VALUE flags)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  int result = mariadb_rpl_optionsv(wrapper->rpl,
                                    MARIADB_RPL_FLAGS,
                                    NUM2UINT(flags));
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return flags;
}

#open ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 1038

static VALUE
rbm2_replication_client_open(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  int result =
    (intptr_t)rb_thread_call_without_gvl(
      rbm2_replication_client_open_without_gvl,
      wrapper,
      RUBY_UBF_IO,
      0);
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  if (rb_block_given_p()) {
    return rb_ensure(rb_yield, self,
                     rbm2_replication_client_close, self);
  } else {
    return Qnil;
  }
}

#server_id ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 945

static VALUE
rbm2_replication_client_get_server_id(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  unsigned int server_id;
  int result = mariadb_rpl_get_optionsv(wrapper->rpl,
                                        MARIADB_RPL_SERVER_ID,
                                        &server_id);
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return UINT2NUM(server_id);
}

#server_id=(server_id) ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 960

static VALUE
rbm2_replication_client_set_server_id(VALUE self, VALUE server_id)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  int result = mariadb_rpl_optionsv(wrapper->rpl,
                                    MARIADB_RPL_SERVER_ID,
                                    NUM2UINT(server_id));
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return server_id;
}

#start_position ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 916

static VALUE
rbm2_replication_client_get_start_position(VALUE self)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  unsigned long start_position;
  int result = mariadb_rpl_get_optionsv(wrapper->rpl,
                                        MARIADB_RPL_START,
                                        &start_position);
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return ULONG2NUM(start_position);
}

#start_position=(start_position) ⇒ Object 



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# File 'ext/mysql2-replication/mysql2_replication.c', line 931

static VALUE
rbm2_replication_client_set_start_position(VALUE self, VALUE start_position)
{
  rbm2_replication_client_wrapper *wrapper =
    rbm2_replication_client_get_wrapper(self);
  int result = mariadb_rpl_optionsv(wrapper->rpl,
                                    MARIADB_RPL_START,
                                    NUM2ULONG(start_position));
  if (result != 0) {
    rbm2_replication_client_raise(self);
  }
  return start_position;
}