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"Bitcoin" server
bermuda-ut/bitcoin-server
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Author : Max Lee
Student ID : 719577
Email : max@mirrorstairstudio.com
Date : 24/MAY/17
Multithreaded Bitcoin Server based on CS Project 2
Written in blood and tears, not from this project </3
mirrorstairstudio.com mallocsizeof.me
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Overview:
Server process is purely responsible for handling connections and spawning
threads for each client
Server process ___ client 1 thread
\__ client 2 thread
\__ client 2 thread
...
Client thread is purely responsible for reading client commands and spawning
threads.
Client thread ___ PING 1 thread
\__ PING 2 thread
\__ SOLN 1 thread
\__ WORK 1 thread ...
For work commands, it spawns work btches to solve the work.
Work is evenly distributed for each btches.
Btch obviously is my typo for 'Batch' :P
WORK thread ___ btch 1 thread
\__ btch 2 thread
\__ btch 1 thread
\__ btch 1 thread
...
For each client, works are queued.
For each client, at most CONCURRENT_WORK_COUNT number of works can be processed
at a given time.
For protection purposes:
Server can handle only CLIENT_COUNT number of clients at a time.
Server can queue work for only GLOBAL_WORK_LIMIT number of works at a time.
These are in driver.h
If maximum number of clients are reached, server disconnects new ones.
Client can spawn at most CLIENT_THREAD_COUNT number of command threads at
a given time.
Server can at most concurrently work on GLOBAL_WORK_LIMIT works at a
given time.
These are in handler.h
If maximum number of commands reached, the commands are just queued.
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Commands:
PING - ping server
WORK - provide work for the server, returns SOLN if solution found
SOLN - checks whether the SOLN is valid
Response:
PONG - response to PING
OKAY - When stuff are OKAY. May have 40 character reason
ERRO - When error occurs. May have 40 character reason
SOLN - Solution found for WORK.
Extra Commands:
PONG - plz
OKAY - dont send
ERRO - such stuff
SLEP - Spawns a work that just sleeps for 3 seconds.
--------------------------------------------------------------------------------
Features:
- Multi threaded work processing
- Concurrent background work processing
- Concat separated messages (like PI then NG\r\n will be joined to PING\r\n)
- Segfault-less* server
and more!
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