check/

Package apply turns health-check verdicts into IPVS table changes.

Package dns builds and parses the queries the DNS_CHECK health check uses.

Package file is the FILE_CHECK health check: a real server's health follows the number in a tracked file.

Package framework is the health-check framework: per-checker retry state and per-virtual-server quorum with hysteresis.

Package http parses HTTP responses for the HTTP_GET and SSL_GET health checks.

Package layer4 performs the TCP connection attempt every connect-based health check is built on, and classifies the outcome.

Package misc is the MISC_CHECK health check: run a script and read the verdict from its exit status.

Package ping is the PING_CHECK health check: send an ICMP echo request and treat a matching echo reply as healthy.

Package reload computes what changes when a health-check configuration is re-read, and what must be carried across.

Package smtp implements the line reading and status parsing for the SMTP_CHECK health check.

Package ssl provides the TLS layer for the SSL_GET health check.

Package tcp is the TCP_CHECK health check: connect to the backend, and treat a completed connection as healthy.

Package udp is the UDP_CHECK health check: send an optional payload to a UDP port and, optionally, require a reply that matches a pattern.