nn_survey - survey scalability protocol
Allows to broadcast a survey to multiple locations and gather the responses.
Used to send the survey. The survey is delivered to all
the connected respondents. Once the query is sent, the socket can be used to
receive the responses. When the survey deadline expires, receive will return
Use to respond to the survey. Survey is received using
receive function, response is sent using send function. This socket can be
connected to at most one peer.
Specifies how long to wait for responses to the survey.
Once the deadline expires, receive function will return ETIMEDOUT error and
all subsequent responses to the survey will be silently dropped. The deadline
is measured in milliseconds. Option type is int. Default value is 1000 (1
nn_bus(7) nn_pubsub(7) nn_reqrep(7) nn_pipeline(7) nn_pair(7) nanomsg(7)