OpenHiva::ServiceClient::InvokeService
Description
The client sends requests to the server.
Prototype
template <typename ReqType, typename ResType> uint32_t OpenHiva::ServiceClient::InvokeService(ReqType req, ResType &res, const uint32_t timeout = 5000U)
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
req |
Input |
Request message type, which must be a subclass of HivaMessage. |
timeout |
Input |
Time limit, which can be set by users. The default value is 5000 ms. |
res |
Output |
Type of the response message obtained from the server. The value must be a subclass of HivaMessage. |
Returns
The return value is of the uint32_t type. If the operation is successful, HIVA_SUCCESS (value being 0) is returned. If other values are returned, the operation fails.
Usage
Only ServiceClient returned after OpenHiva::Node::CreateClient is invoked can work properly.
Precautions
The message types must match those of the request and response messages registered by OpenHiva::Node::CreateClient.