[865] | 1 | # -*- coding: ISO-8859-1 -*- |
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| 2 | |
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| 3 | ################################## |
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| 4 | # @program smon |
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| 5 | # @description simulation monitor |
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| 6 | # @copyright Copyright â(c)2009 Centre National de la Recherche Scientifique CNRS. |
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| 7 | # All Rights Reservedâ |
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| 8 | # @svn_file $Id: repo_io.py 2599 2013-03-24 19:01:23Z jripsl $ |
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| 9 | # @version $Rev: 2599 $ |
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| 10 | # @lastrevision $Date: 2013-03-24 20:01:23 +0100 (Sun, 24 Mar 2013) $ |
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| 11 | # @license CeCILL (http://dods.ipsl.jussieu.fr/jripsl/smon/LICENSE) |
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| 12 | ################################## |
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| 13 | |
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| 14 | import sys |
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| 15 | import sqlite3 |
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| 16 | |
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[871] | 17 | import types |
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| 18 | |
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[865] | 19 | _conn=None |
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| 20 | timeout=1 |
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| 21 | |
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| 22 | def connect(): |
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| 23 | global _conn |
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| 24 | |
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| 25 | if _conn is not None: |
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| 26 | raise Exception() |
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| 27 | |
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[937] | 28 | db_file="/opt/supervisor/local_db/supervisor.db" |
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[875] | 29 | #db_file=":memory:" |
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[865] | 30 | |
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[875] | 31 | _conn=sqlite3.connect(db_file,timeout) |
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| 32 | |
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[865] | 33 | create_tables() |
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| 34 | |
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| 35 | def free(): |
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| 36 | global _conn |
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| 37 | |
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| 38 | if _conn is None: |
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| 39 | raise Exception() |
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| 40 | |
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| 41 | _conn.close() |
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| 42 | |
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| 43 | _conn=None |
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| 44 | |
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[875] | 45 | def commit(): |
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| 46 | """ |
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| 47 | public method |
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| 48 | |
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| 49 | not used for now |
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| 50 | """ |
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| 51 | _conn.commit() |
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| 52 | |
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| 53 | def rollback(): |
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| 54 | _conn.rollback() |
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| 55 | |
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[865] | 56 | def create_tables(): |
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[871] | 57 | |
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[875] | 58 | _conn.execute("create table if not exists simulation (id INTEGER PRIMARY KEY, name TEXT, status TEXT)") |
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| 59 | _conn.execute("create unique index if not exists idx_simulation_1 on simulation (name)") |
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[871] | 60 | |
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[879] | 61 | _conn.execute("create table if not exists message (id INTEGER PRIMARY KEY, simulation_id TEXT, body TEXT, timestamp TEXT, crea_date TEXT)") # TODO: check how to use INT datatype for simulation_id column |
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[865] | 62 | |
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[875] | 63 | def cleanup(): |
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| 64 | _conn.execute("delete from simulation") |
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| 65 | _conn.execute("delete from message") |
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| 66 | _conn.commit() |
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| 67 | |
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[871] | 68 | def populate_tables_with_sample(): |
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| 69 | |
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[875] | 70 | rows = [('SIMU-001','running'), |
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| 71 | ('SIMU-002','running'), |
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| 72 | ('SIMU-003','running'),] |
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[871] | 73 | |
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[875] | 74 | _conn.executemany('INSERT INTO simulation (name,status) VALUES (?,?)', rows) |
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| 75 | |
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| 76 | _conn.commit() |
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| 77 | |
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[871] | 78 | def retrieve_simulations(): |
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| 79 | li=[] |
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| 80 | c=_conn.cursor() |
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| 81 | |
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[875] | 82 | c.execute("select name,id,status from simulation") |
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[871] | 83 | |
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| 84 | rs=c.fetchone() |
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| 85 | while rs is not None: |
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[876] | 86 | |
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| 87 | s=types.Simulation(name=rs[0],id=rs[1],status=rs[2]) |
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| 88 | |
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| 89 | li.append(s) |
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| 90 | |
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| 91 | |
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[871] | 92 | rs=c.fetchone() |
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| 93 | |
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| 94 | return li |
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| 95 | |
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[865] | 96 | def retrieve_simulation(name): |
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| 97 | c=_conn.cursor() |
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| 98 | |
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[875] | 99 | c.execute("select name,id,status from simulation where name = ?",(name,)) |
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[865] | 100 | |
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| 101 | rs=c.fetchone() |
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| 102 | |
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| 103 | if rs is None: |
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[879] | 104 | raise Exception("name=%s"%name) |
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[865] | 105 | |
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[875] | 106 | return types.Simulation(name=rs[0],id=rs[1],status=rs[2]) |
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[865] | 107 | |
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| 108 | def delete_simulation(simulation): |
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| 109 | _conn.execute("delete from simulation where name = ?",(simulation.name,)) |
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| 110 | |
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[875] | 111 | _conn.commit() |
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| 112 | |
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[865] | 113 | def create_simulation(simulation): |
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[875] | 114 | _conn.execute("insert into simulation (name,status) values (?,?)",(simulation.name,simulation.status)) |
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| 115 | |
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| 116 | _conn.commit() |
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[865] | 117 | |
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| 118 | def update_simulation_status(simulation): |
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| 119 | _conn.execute("update simulation set status=? where name = ?",(simulation.status,simulation.name)) |
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| 120 | |
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[875] | 121 | _conn.commit() |
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| 122 | |
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[865] | 123 | def retrieve_messages(simulation): |
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| 124 | li=[] |
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| 125 | |
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| 126 | c=_conn.cursor() |
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| 127 | |
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[879] | 128 | c.execute("select id from message where simulation_id = ?",(simulation.id,)) |
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[865] | 129 | |
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| 130 | rs=c.fetchone() |
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| 131 | while rs is not None: |
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[871] | 132 | li.append(types.Message(id=rs[0])) |
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[865] | 133 | rs=c.fetchone() |
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| 134 | |
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| 135 | return li |
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| 136 | |
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| 137 | def delete_messages(simulation): |
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| 138 | _conn.execute("delete from message where simulation_id = ?",(simulation.id,)) |
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| 139 | |
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[875] | 140 | _conn.commit() |
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| 141 | |
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[877] | 142 | def create_message(message,simulation): |
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[876] | 143 | |
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[879] | 144 | _conn.execute("insert into message (simulation_id,timestamp,crea_date) values (?,?,datetime('now', 'localtime'))",(simulation.id, message.timestamp)) |
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[865] | 145 | |
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[875] | 146 | _conn.commit() |
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| 147 | |
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[865] | 148 | def retrieve_last_message(simulation): |
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| 149 | c=_conn.cursor() |
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| 150 | |
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[879] | 151 | # debug |
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| 152 | #print "simulation_id=%d"%simulation.id |
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[865] | 153 | |
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[879] | 154 | c.execute("select id, simulation_id, body, timestamp, crea_date from message where simulation_id=? order by crea_date desc limit 1",(simulation.id,)) |
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| 155 | |
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[865] | 156 | rs=c.fetchone() |
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| 157 | |
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| 158 | if rs is None: |
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[879] | 159 | |
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| 160 | # debug |
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| 161 | #print "simulation not found (%d)"%simulation.id |
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| 162 | |
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[876] | 163 | raise types.MessageNotFoundException() |
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[865] | 164 | |
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[879] | 165 | # HACK (we want the Message constructor to support BOTH **kw AND kw) |
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| 166 | di={} |
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| 167 | di["id"]=rs[0] |
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| 168 | di["simulation_id"]=rs[1] |
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| 169 | di["body"]=rs[2] |
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| 170 | di["timestamp"]=id=rs[3] |
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| 171 | di["crea_date"]=rs[4] |
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| 172 | |
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| 173 | m=types.Message(di) |
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| 174 | |
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| 175 | return m |
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| 176 | |
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| 177 | |
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