Is the GWAS Catalog REST API server reachable? — is_ebi

Check if the EBI server where the GWAS Catalog REST API server is running is reachable. This function attempts to connect to https://www.ebi.ac.uk, returning TRUE on success, and FALSE otherwise. Set chatty = TRUE for a step by step description of the connection attempt.

Usage

is_ebi_reachable(url = "https://www.ebi.ac.uk", port = 443L, chatty = FALSE)

Arguments

url: NHGRI-EBI GWAS Catalog server URL. Default is https://www.ebi.ac.uk. You should not need to change this parameter.
port: Network port on which to ping the server. You should not need to change this parameter.
chatty: Whether to be verbose (TRUE) or not (FALSE).

Value

A logical value: TRUE if EBI server is reachable, FALSE

otherwise.

Examples

# Check if the GWAS Catalog Server is reachable
is_ebi_reachable() # Returns TRUE or FALSE.
#> [1] TRUE

# Check if the GWAS Catalog Server is reachable
# and show exactly at what step is it failing (if that is the case)
is_ebi_reachable(chatty = TRUE)
#> Am I online? Yes.
#> Is there a DNS service running? Yes.
#> Connected to the internet? Yes.
#> Ping'ing www.ebi.ac.uk on port 443...
#> www.ebi.ac.uk successfully replied in 83.665 ms.
#> [1] TRUE