Overhaul configuration globals, refactor main.c/.h, avoid acting like a full webserver

config.ini.example

@@ -1,35 +1,38 @@
-## STETHOSCOPE EXAMPLE CONFIG
-
-# The name of this Stethoscope instance. This name is used for the page title. (default: "My Stethoscope")
-service_name=My Stethoscope
-
-# Port to listen on. This should be reverse proxied by something like httpd or nginx. (default: 7800)
-listen=7800
-
-# Path of the webroot server uses to load asset paths like the stylesheet. (default: )
-webroot=
+################################
+## STETHOSCOPE EXAMPLE CONFIG ##
+################################
 
+# Name of this Stethoscope instance. This name is used for the page title. (default: "My Stethoscope")
+name=My Stethoscope
+# Text to show
+description=
+# Maximum time in seconds status history is shown on the status page. (default: 86400)
+status_retention=86400
+# Maximum time in seconds without change before fetching a new status peroid. (default: 60)
+status_refresh=60
 # Time in seconds to wait before attempting to reconnect to the endpoint. (default: 5)
 backoff=5
 
-# These are example services.
-;[service.openssh]
-;name=OpenSSH Daemon
-;address=tcp://localhost:22
+[web]
+# Port to listen on. This should be reverse proxied by something like httpd or nginx. (default: 7800)
+listen=7800
+# Web path to stylesheet. If this is empty, the daemon will provide a barebones one.
+stylesheet=
+# Web path to image banner. If this is empty, the page will generate without a banner.
+banner=
+# Time in seconds between status page recaching. (default: 15)
+recache_delay=15
 
-;[service.nginx]
-;name=Nginx
-;address=tcp://localhost:80,tcp://localhost:443,process://nginx,pidfile:///run/nginx.pid
-;backoff=1
-
-;[service.email]
-;name=Email
-;address=tcp://localhost:25,tcp://localhost:143
-
-;[service.tor]
-;name=Tor
-;address=tcp://127.0.0.1:9050
-
-;[service.mumble]
-;name=mumble
-;address=tcp://localhost:64738,udp://localhost:64738
+## SERVICE EXAMPLE
+# Services are always defined in their own section with their name prepended by "service."
+;[service.example]
+# Display name for the service. This is publicly displayed on the status page.
+;name=A Service
+# Web path of the icon to use for this service. If empty, an icon will not be used.
+;icon=
+# Text to display below the service name.
+;text=
+# Comma-seperated list of endpoints to check the status of for this service
+# Endpoints must be in SCHEME://ADDRESS:PORT format or SCHEME://PATH format
+# Supported schemes include: tcp, udp, icmp, pid, proc
+;endpoints=