net.server: Swich method for connecting sockets with remotes LuaSocket TCP sockets have have both :connect and :setpeername, which are the exact same function, however UDP sockets only have :setpeername. Switching to :setpeername allows most of this code to be generic wrt TCP/UDP.

net.server_epoll: Check return conditions of early socket setup

net.server_epoll: Add support for the conn_type argument to addclient

net.resolvers.basic: Suffix IPv4 TCP socket types with '4' to match eg 'tcp6'

net.server: Remove socket constructor fallback Should no longer be needed

util.dependencies: Add compat code for normalization of socket constructors Old LuaSocket had only tcp() which was IPv4-only. LuaSocket ~3.0 adds a tcp6() that creates a IPv6 socket. Some version moves tcp() to tcp4() and adds an IP-version-agnostic tcp() constructor.

mod_storage_sql: Change prosodyarchive_index to be non-unique (fixes #1087) MySQL requires that the first 20 bytes are unique, even if they differ after the first 20 bytes. This breaks e.g. pubsub/PEP nodes longer than 20 characters that have common prefixes.

mod_storage_sql: Have :users() throw an error on failure instead of returning non-iterator values

storagemanager tests: Also cover memory driver

mod_c2s: Fix fallback for missing session logger