Merge branch 'master' of github.com:jeena/GGS-report
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1 changed files with 66 additions and 45 deletions
111
report.lyx
111
report.lyx
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@ -5206,12 +5206,20 @@ Callbacks written in Erlang are registered to the VM for the interface to
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the game state and send messages to the clients.
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The interface provides access to three objects called
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\emph on
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world, players
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\noun on
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world
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\noun default
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,
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\noun on
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players
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\emph default
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\noun default
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and
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\emph on
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\noun on
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localStorage
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\emph default
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\noun default
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.
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The game state is safely stored in a database and retrieved for manipulation
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by a call for the world object.
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@ -5286,7 +5294,14 @@ name "sub:Exposing-Erlang-functionality"
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\end_layout
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\begin_layout Standard
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This section contains a concrete example of how the localstorage and world
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This section contains a concrete example of how the
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\noun on
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localStorage
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\noun default
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and
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\noun on
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world
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\noun default
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objects are exposed to a GDL VM.
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The example comes from the GGS prototype, which uses JavaScript powered
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by Google V8 as its GDL VM.
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@ -5358,16 +5373,33 @@ tt GGS.localStorage }
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\end_inset
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from within the GDL, access to the localstorage is provided, thus the localstor
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age must be connected to the GGS object, this can be seen in line 5.
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from within the GDL, access to the
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\noun on
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localStorage
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\noun default
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is provided, thus the
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\noun on
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localStorage
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\noun default
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must be connected to the GGS object, this can be seen in line 5.
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\end_layout
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\begin_layout Standard
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Both the GGS and localstorage objects are dummy objects, which provide no
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functionality, these two objects are simply placed in the GDL for the purpose
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clearing up the code.
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In order to perform an action using the GGS and localstorage objects, the
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Both the
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\noun on
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GGS
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\noun default
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and
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\noun on
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localStorage
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\noun default
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objects are dummy objects, which provide no functionality, these two objects
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are simply placed in the GDL for the purpose clearing up the code.
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In order to perform an action using the GGS and
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\noun on
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localStorage
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\noun default
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objects, the
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\begin_inset ERT
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status open
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@ -5443,20 +5475,6 @@ tt setTimeout}
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per default.
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\end_layout
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\begin_layout Standard
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\begin_inset Note Note
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status open
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\begin_layout Plain Layout
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Prior to this section, the Erlang syntax has to be briefly explained.
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I think the 'usage of erlang' section is a good place to do this in.
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Float algorithm
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wide false
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@ -5828,24 +5846,12 @@ Techniques for ensuring reliability
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\begin_layout Standard
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One of the main goals of the project is to achieve high reliability.
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The term
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\begin_inset Quotes eld
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\end_inset
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The term 'reliable system' is defined by the IEEE as
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\end_layout
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reliable system
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\begin_inset Quotes erd
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\end_inset
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is defined by the IEEE as a system with
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\begin_inset Quotes eld
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\end_inset
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the ability of a system or component to perform its required functions under
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stated conditions for a specified period of time
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\begin_inset Quotes erd
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\end_inset
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\begin_layout Quotation
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A system with the ability of a system or component to perform its required
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functions under stated conditions for a specified period of time
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\begin_inset CommandInset citation
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LatexCommand citet
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key "ieee_90"
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@ -5853,10 +5859,13 @@ key "ieee_90"
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\end_inset
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.
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There are some tools for creating reliable applications built in to Erlang.
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\end_layout
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\begin_layout Standard
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There are some tools for creating reliable applications built in to Erlang:
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\begin_inset ERT
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status open
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status collapsed
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\begin_layout Plain Layout
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@ -5884,14 +5893,22 @@ E"}
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\end_layout
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\begin_layout Itemize
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Links between processes.
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\series bold
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Links between processes
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\series default
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.
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When a process spawns a new child process, and the child process later
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exits, the parent process is notified of the exit.
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\end_layout
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\begin_layout Itemize
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Transparent distribution over a network of processors.
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\series bold
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Transparent distribution over a network of processors
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\series default
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.
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When several nodes participate in a network, it does not matter on which
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of these machines a process is run.
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Communication between processes does not depend on the node in which each
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@ -5900,7 +5917,11 @@ Transparent distribution over a network of processors.
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\end_layout
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\begin_layout Itemize
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Hot code replacements.
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\series bold
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Hot code replacements
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\series default
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.
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Two versions of the same module can reside in the memory of Erlang at any
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time.
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This means that a simple swap between these versions can take place very
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