Separate handlers for signals and method calls

Signals and method calls have different parameter structures. When the
associated event trigger is chosen, what's generated to retrieve the
dbus data i

Separate handlers for signals and method calls

Signals and method calls have different parameter structures. When the
associated event trigger is chosen, what's generated to retrieve the
dbus data is specific to that trigger event. For signals, the data is
read from the given signal message. A method call is method specific and
is called to be done against all of the members within the event group.

Change-Id: I92cbdbf05852fbaa7f1b56ed518e30278cdf840b
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>

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Add event init trigger

An event defined with an init trigger will run the event's actions
upon the event initializing. An event initializes when the fan control
application starts or at anytime an e

Add event init trigger

An event defined with an init trigger will run the event's actions
upon the event initializing. An event initializes when the fan control
application starts or at anytime an event's precondition is valid.

Tested:
Used missing fan action to set a speed at application start
Used missing fan action to set a speed upon valid precondition

Change-Id: I96a36425a2ca345371c27d7b580070bec28acaa1
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>

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Move signals to event triggers

Move the generation and initialization of signals to be included in the
available event triggers. The signal trigger consists of subscribing to
a given signal match wh

Move signals to event triggers

Move the generation and initialization of signals to be included in the
available event triggers. The signal trigger consists of subscribing to
a given signal match where when the signal is received and handled, it
causes the event actions to be called.

Tested:
All current event signals are still registered and received
Speed changes occur based on temperature sensor change signals

Change-Id: Iab4ccabb50ad910d5d566bd8c1922109638bd760
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>

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Call event triggers on initialization

Move timers to be an event trigger function that is called upon event
initialization. Previously, event timers were created and started
directly within the init

Call event triggers on initialization

Move timers to be an event trigger function that is called upon event
initialization. Previously, event timers were created and started
directly within the initialization of the event, this moves the creation
and starting of a defined event timer to within a selectable event
trigger function.

With the creation of event triggers, an event can be defined with a list
of supported triggers used to execute the actions, if defined, of the
event. In the case no actions are given, the trigger is still used.

Tested:
Timer triggers are created/started correctly for an event
Events with no actions have timers created/started as defined

Change-Id: I9ab13a4269b2035095cadbbe2c613a16df469589
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>

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