void meta_service::on_request(message_ptr& msg)
{
meta_request_header hdr;
unmarshall(msg, hdr);
meta_response_header rhdr;
bool is_primary = _state->get_meta_server_primary(rhdr.primary_address);
if (is_primary) is_primary = (primary_address() == rhdr.primary_address);
rhdr.err = ERR_SUCCESS;
message_ptr resp = msg->create_response();
if (!is_primary)
{
rhdr.err = ERR_TALK_TO_OTHERS;
marshall(resp, rhdr);
}
else if (hdr.rpc_tag == RPC_CM_QUERY_NODE_PARTITIONS)
{
configuration_query_by_node_request request;
configuration_query_by_node_response response;
unmarshall(msg, request);
query_configuration_by_node(request, response);
marshall(resp, rhdr);
marshall(resp, response);
}
else if (hdr.rpc_tag == RPC_CM_QUERY_PARTITION_CONFIG_BY_INDEX)
{
configuration_query_by_index_request request;
configuration_query_by_index_response response;
unmarshall(msg, request);
query_configuration_by_index(request, response);
marshall(resp, rhdr);
marshall(resp, response);
}
else if (hdr.rpc_tag == RPC_CM_UPDATE_PARTITION_CONFIGURATION)
{
update_configuration(msg, resp);
return;
}
else
{
dassert(false, "unknown rpc tag %x (%s)", hdr.rpc_tag, task_code(hdr.rpc_tag).to_string());
}
rpc::reply(resp);
}
void meta_service::on_request(dsn_message_t msg)
{
meta_request_header hdr;
::unmarshall(msg, hdr);
meta_response_header rhdr;
bool is_primary = _state->get_meta_server_primary(rhdr.primary_address);
if (is_primary) is_primary = (primary_address() == rhdr.primary_address);
rhdr.err = ERR_OK;
::dsn::rpc_address faddr;
dsn_msg_from_address(msg, faddr.c_addr_ptr());
dinfo("recv meta request %s from %s:%hu",
dsn_task_code_to_string(hdr.rpc_tag),
faddr.name(),
faddr.port()
);
dsn_message_t resp = dsn_msg_create_response(msg);
if (!is_primary)
{
rhdr.err = ERR_TALK_TO_OTHERS;
::marshall(resp, rhdr);
}
else if (!_started)
{
rhdr.err = ERR_SERVICE_NOT_ACTIVE;
::marshall(resp, rhdr);
}
else if (hdr.rpc_tag == RPC_CM_QUERY_NODE_PARTITIONS)
{
configuration_query_by_node_request request;
configuration_query_by_node_response response;
::unmarshall(msg, request);
query_configuration_by_node(request, response);
::marshall(resp, rhdr);
::marshall(resp, response);
}
else if (hdr.rpc_tag == RPC_CM_QUERY_PARTITION_CONFIG_BY_INDEX)
{
configuration_query_by_index_request request;
configuration_query_by_index_response response;
unmarshall(msg, request);
query_configuration_by_index(request, response);
::marshall(resp, rhdr);
::marshall(resp, response);
}
else if (hdr.rpc_tag == RPC_CM_UPDATE_PARTITION_CONFIGURATION)
{
update_configuration(msg, resp);
rhdr.err.end_tracking();
return;
}
else
{
dassert(false, "unknown rpc tag %x (%s)", hdr.rpc_tag, dsn_task_code_to_string(hdr.rpc_tag));
}
dsn_rpc_reply(resp);
}
