//////////////////////////
// 写入接口 //
//////////////////////////
func Store(table *Table,
primary_key string, // key after encode
timestamp int64,
index_list []Index,
data_list []string) error {
var c_request C.mdt_store_request_t
var c_response C.mdt_store_response_t
// convert request
c_request.primary_key.data = C.CString(primary_key)
c_request.primary_key.size = C.size_t(len(primary_key))
c_request.timestamp = C.int64_t(timestamp)
c_request.index_list = nil
c_request.index_list_len = C.size_t(len(index_list))
c_request.index_list = (*C.mdt_index_t)(C.malloc(32 * c_request.index_list_len))
c_index_list := (*[1 << 30]C.mdt_index_t)(unsafe.Pointer(c_request.index_list))
for i := C.size_t(0); i < c_request.index_list_len; i++ {
c_index_list[i].index_name.data = C.CString(index_list[i].IndexName)
c_index_list[i].index_name.size = C.size_t(len(index_list[i].IndexName))
c_index_list[i].index_key.data = C.CString(index_list[i].IndexKey)
c_index_list[i].index_key.size = C.size_t(len(index_list[i].IndexKey))
}
// new vector write interface
c_request.data_list = nil
c_request.data_list_len = C.size_t(data_list)
c_request.data_list = (*C.mdt_slice_t)(C.malloc(16 * c_request.data_list_len))
c_data_list := (*[1 << 30]C.mdt_slice_t)(unsafe.Pointer(c_request.data_list))
for i := C.size_t(0); i < c_request.data_list_len; data_i++ {
c_data_list[i].data = C.CString(data_list[i])
c_data_list[i].size = C.size_t(len(data_list[i]))
}
// old write interface
//c_request.data.data = C.CString(data)
//c_request.data.size = C.size_t(len(data))
// invoke C API
C.mdt_store(table.rep, &c_request, &c_response, nil, nil)
// convert result
err := int(c_response.error)
// free request memory
C.free(unsafe.Pointer(c_request.primary_key.data))
for i := C.size_t(0); i < c_request.index_list_len; i++ {
C.free(unsafe.Pointer(c_index_list[i].index_name.data))
C.free(unsafe.Pointer(c_index_list[i].index_key.data))
}
C.free(unsafe.Pointer(c_request.index_list))
for i := C.size_t(0); i < c_request.data_list_len; i++ {
C.free(unsafe.Pointer(c_data_list[i].data))
}
C.free(unsafe.Pointer(c_request.data_list))
//C.free(unsafe.Pointer(c_request.data.data))
return GetError(err)
}
func ConvertWriteRequest(req *WriteContext, c_req *C.mdt_store_request_t) error {
// convert request
c_req.primary_key.data = C.CString(req.PrimaryKey)
c_req.primary_key.size = C.size_t(len(req.PrimaryKey))
c_req.timestamp = C.int64_t(req.Timestamp)
c_req.index_list = nil
c_req.index_list_len = C.size_t(len(req.IndexList))
// alloc memory
var idx Index
c_req.index_list = (*C.mdt_index_t)(C.malloc(C.size_t(unsafe.Sizeof(idx)) * c_req.index_list_len))
c_index_list := (*[1 << 30]C.mdt_index_t)(unsafe.Pointer(c_req.index_list))
for i := C.size_t(0); i < c_req.index_list_len; i++ {
c_index_list[i].index_name.data = C.CString(req.IndexList[i].IndexName)
c_index_list[i].index_name.size = C.size_t(len(req.IndexList[i].IndexName))
c_index_list[i].index_key.data = C.CString(req.IndexList[i].IndexKey)
c_index_list[i].index_key.size = C.size_t(len(req.IndexList[i].IndexKey))
}
c_req.data.data = C.CString(req.Data)
c_req.data.size = C.size_t(len(req.Data))
return nil
}