def create_request(conn, xml, myData, lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
bal = int(arguments[1].text)
lock.acquire()
try:
# get balance
if bal < 0 or bal > sys.maxint:
general_failure(conn, 'create', "invalid balance")
return
# get account number
if act <= 0 or act > 100 or act in myData:
general_failure(conn, 'create', "account already in use")
return
myData[act] = bal
create_success(conn, act)
finally:
lock.release()
print myData
return
def create_request(conn,xml,myData,lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
bal = int(arguments[1].text)
lock.acquire()
try:
# get balance
if bal < 0 or bal > sys.maxint:
general_failure(conn, 'create', "invalid balance")
return
# get account number
if act <= 0 or act > 100 or act in myData:
general_failure(conn, 'create',"account already in use")
return
myData[act] = bal
create_success(conn,act)
finally:
lock.release()
print myData
return
def delete_request(conn,netBuffer,myData,lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1'])
except ValueError:
general_failure(conn, 'delete', "invalid arguments")
#get balance
if(values['arg1'] >= 0 and values['arg1'] <= 100):
act = values['arg1']
else:
general_failure(conn,'delete',"invalid account number")
return
if act not in myData:
general_failure(conn,'delete',"nonexistent account number")
return
if myData[act] != 0:
general_failure(conn,'delete',"nonzero money in that account")
return
del myData[act]
delete_success(conn)
finally:
lock.release()
print myData
return
def delete_request(conn, netBuffer, myData, lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1'])
except ValueError:
general_failure(conn, 'delete', "invalid arguments")
#get balance
if (values['arg1'] >= 0 and values['arg1'] <= 100):
act = values['arg1']
else:
general_failure(conn, 'delete', "invalid account number")
return
if act not in myData:
general_failure(conn, 'delete', "nonexistent account number")
return
if myData[act] != 0:
general_failure(conn, 'delete', "nonzero money in that account")
return
del myData[act]
delete_success(conn)
finally:
lock.release()
print myData
return
def balance_request(conn,json_data,myData,lock):
acct_number = json_data['arguments']['acct_number']
if acct_number < 0 or acct_number > 100:
general_failure(conn,'getBalance',"invalid account number")
#no need to lock: we are just reading a value from a dict, which is thread-safe
#get the current balance
try:
balance = myData[acct_number]
except KeyError:
general_failure(conn,'getBalance',"nonexistent account")
return
balance_success(conn,balance)
return
def balance_request(conn, json_data, myData, lock):
acct_number = json_data['arguments']['acct_number']
if acct_number < 0 or acct_number > 100:
general_failure(conn, 'getBalance', "invalid account number")
#no need to lock: we are just reading a value from a dict, which is thread-safe
#get the current balance
try:
balance = myData[acct_number]
except KeyError:
general_failure(conn, 'getBalance', "nonexistent account")
return
balance_success(conn, balance)
return
def deposit_request(conn, netBuffer, myData, lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1']) # withdraw amount
values['arg2'] = int(values['arg2']) # account_number
except ValueError:
general_failure(conn, 'deposit', "invalid arguments")
#get account number
if (values['arg2'] >= 0 and values['arg2'] <= 100):
act = values['arg2']
else:
general_failure(conn, 'deposit', "invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn, 'deposit', "nonexistent account number")
return
#check for a valid deposit amount
if values['arg1'] > 0:
bal = values['arg1']
else:
general_failure(conn, 'deposit', "nonsense deposit amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if bal < sys.maxint - curr_bal - 1:
myData[act] = curr_bal + bal
else:
general_failure(conn, 'deposit',
"account overflow... damn you are rich")
return
deposit_success(conn, curr_bal + bal)
finally:
lock.release()
print myData
return
def deposit_request(conn,netBuffer,myData,lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1']) # withdraw amount
values['arg2'] = int(values['arg2']) # account_number
except ValueError:
general_failure(conn, 'deposit', "invalid arguments")
#get account number
if(values['arg2'] >= 0 and values['arg2'] <= 100):
act = values['arg2']
else:
general_failure(conn,'deposit',"invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn,'deposit',"nonexistent account number")
return
#check for a valid deposit amount
if values['arg1'] > 0:
bal = values['arg1']
else:
general_failure(conn,'deposit',"nonsense deposit amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if bal < sys.maxint - curr_bal - 1:
myData[act] = curr_bal + bal
else:
general_failure(conn,'deposit',"account overflow... damn you are rich")
return
deposit_success(conn, curr_bal + bal)
finally:
lock.release()
print myData
return
def withdraw_request(conn, netBuffer, myData, lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1']) # withdraw amount
values['arg2'] = int(values['arg2']) # account_number
except ValueError:
general_failure(conn, 'withdraw', "invalid arguments")
#get account number
if (values['arg2'] >= 0 and values['arg2'] <= 100):
act = values['arg2']
else:
general_failure(conn, 'withdraw', "invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn, 'withdraw', "nonexistent account number")
return
#check for a valid withdraw amount
if values['arg1'] > 0:
bal = values['arg1']
else:
general_failure(conn, 'withdraw', "nonsense withdrawal amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if curr_bal - bal >= 0:
myData[act] = curr_bal - bal
else:
general_failure(conn, 'withdraw', "not enough money in account")
return
withdraw_success(conn, curr_bal - bal)
finally:
lock.release()
print myData
return
def withdraw_request(conn,netBuffer,myData,lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1']) # withdraw amount
values['arg2'] = int(values['arg2']) # account_number
except ValueError:
general_failure(conn, 'withdraw', "invalid arguments")
#get account number
if(values['arg2'] >= 0 and values['arg2'] <= 100):
act = values['arg2']
else:
general_failure(conn,'withdraw',"invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn,'withdraw',"nonexistent account number")
return
#check for a valid withdraw amount
if values['arg1'] > 0:
bal = values['arg1']
else:
general_failure(conn,'withdraw',"nonsense withdrawal amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if curr_bal - bal >= 0:
myData[act] = curr_bal - bal
else:
general_failure(conn,'withdraw',"not enough money in account")
return
withdraw_success(conn, curr_bal - bal)
finally:
lock.release()
print myData
return
def balance_request(conn,message,myData,lock):
#no need to lock: we are just reading a value from a dict, which is thread-safe
values = repackage_message(message)
#get balance
if(values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn,'balance',"invalid account number")
return
#get the current balance
try:
bal = myData[act]
except KeyError:
general_failure(conn,'balance',"nonexistent account")
return
balance_success(conn,bal)
return
def balance_request(conn, message, myData, lock):
#no need to lock: we are just reading a value from a dict, which is thread-safe
values = repackage_message(message)
#get balance
if (values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn, 'balance', "invalid account number")
return
#get the current balance
try:
bal = myData[act]
except KeyError:
general_failure(conn, 'balance', "nonexistent account")
return
balance_success(conn, bal)
return
def balance_request(conn, xml, myData, lock):
#no need to lock: we are just reading a value from a dict, which is thread-safe
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
#get balance
if act <= 0 or act > 100:
general_failure(conn, 'balance', "invalid account number")
return
#get the current balance
try:
bal = myData[act]
except KeyError:
general_failure(conn, 'balance', "nonexistent account")
return
balance_success(conn, bal)
return
def balance_request(conn,xml,myData,lock):
#no need to lock: we are just reading a value from a dict, which is thread-safe
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
#get balance
if act <= 0 or act > 100:
general_failure(conn,'balance',"invalid account number")
return
#get the current balance
try:
bal = myData[act]
except KeyError:
general_failure(conn,'balance',"nonexistent account")
return
balance_success(conn,bal)
return
def delete_request(conn,message,myData,lock):
values = repackage_message(message)
lock.acquire()
try:
#get balance
if(values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn,'delete',"invalid account number")
return
if act not in myData:
general_failure(conn,'delete',"nonexistent account number")
return
if myData[act] != 0:
general_failure(conn,'delete',"nonzero money in that account")
return
del myData[act]
delete_success(conn)
finally:
lock.release()
print myData
return
def create_request(conn, json_data, myData, lock):
balance, acct_number = json_data['arguments']['balance'], json_data[
'arguments']['acct_number']
lock.acquire()
try:
if balance < 0:
general_failure(conn, 'createAccount', "invalid balance")
elif acct_number < 0 or acct_number > 100:
general_failure(conn, 'createAccount', "invalid account number")
elif acct_number in myData:
general_failure(conn, 'createAccount', "account already in use")
else:
myData[acct_number] = balance
create_success(conn, acct_number)
"""
#generate a value if it was -1
elif values[1] == -1:
i = 1
while i in myData:
i+=1
if i == 101:
general_failure(conn, 'create',"no remaining accounts")
return
act = i
"""
finally:
lock.release()
print myData
return
def delete_request(conn, xml, myData, lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
lock.acquire()
try:
if act <= 0 or act > 100:
general_failure(conn, 'delete', "invalid account number")
return
if act not in myData:
general_failure(conn, 'delete', "nonexistent account number")
return
if myData[act] != 0:
general_failure(conn, 'delete', "nonzero money in that account")
return
del myData[act]
delete_success(conn)
finally:
lock.release()
print myData
return
def balance_request(conn, netBuffer, myData, lock):
#no need to lock: we are just reading a value from a dict, which is thread-safe
values = unpack_xml(netBuffer)
try:
values['arg1'] = int(values['arg1'])
except ValueError:
general_failure(conn, 'balance', "invalid arguments")
#get balance
if (values['arg1'] >= 0 and values['arg1'] <= 100):
act = values['arg1']
else:
general_failure(conn, 'balance', "invalid account number")
return
#get the current balance
try:
bal = myData[act]
except KeyError:
general_failure(conn, 'balance', "nonexistent account")
return
balance_success(conn, bal)
return
def create_request(conn,json_data,myData,lock):
balance, acct_number = json_data['arguments']['balance'], json_data['arguments']['acct_number']
lock.acquire()
try:
if balance < 0:
general_failure(conn, 'createAccount', "invalid balance")
elif acct_number < 0 or acct_number > 100:
general_failure(conn, 'createAccount', "invalid account number")
elif acct_number in myData:
general_failure(conn, 'createAccount', "account already in use")
else:
myData[acct_number] = balance
create_success(conn,acct_number)
"""
#generate a value if it was -1
elif values[1] == -1:
i = 1
while i in myData:
i+=1
if i == 101:
general_failure(conn, 'create',"no remaining accounts")
return
act = i
"""
finally:
lock.release()
print myData
return
def delete_request(conn,xml,myData,lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
lock.acquire()
try:
if act <= 0 or act > 100:
general_failure(conn,'delete',"invalid account number")
return
if act not in myData:
general_failure(conn,'delete',"nonexistent account number")
return
if myData[act] != 0:
general_failure(conn,'delete',"nonzero money in that account")
return
del myData[act]
delete_success(conn)
finally:
lock.release()
print myData
return
def balance_request(conn,netBuffer,myData,lock):
#no need to lock: we are just reading a value from a dict, which is thread-safe
values = unpack_xml(netBuffer)
try:
values['arg1'] = int(values['arg1'])
except ValueError:
general_failure(conn, 'balance', "invalid arguments")
#get balance
if(values['arg1'] >= 0 and values['arg1'] <= 100):
act = values['arg1']
else:
general_failure(conn,'balance',"invalid account number")
return
#get the current balance
try:
bal = myData[act]
except KeyError:
general_failure(conn,'balance',"nonexistent account")
return
balance_success(conn,bal)
return
def delete_request(conn, message, myData, lock):
values = repackage_message(message)
lock.acquire()
try:
#get balance
if (values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn, 'delete', "invalid account number")
return
if act not in myData:
general_failure(conn, 'delete', "nonexistent account number")
return
if myData[act] != 0:
general_failure(conn, 'delete', "nonzero money in that account")
return
del myData[act]
delete_success(conn)
finally:
lock.release()
print myData
return
def withdraw_request(conn,json_data,myData,lock):
amount, acct_number = json_data['arguments']['amount'], json_data['arguments']['acct_number']
lock.acquire()
try:
if amount < 0:
general_failure(conn, 'withdraw', "invalid withdrawal amount")
elif acct_number < 0 or acct_number > 100:
general_failure(conn, 'withdraw', "invalid account number")
elif acct_number not in myData:
general_failure(conn, 'withdraw', "nonexistent account number")
else:
if myData[acct_number] - amount >= 0:
myData[acct_number] -= amount
withdraw_success(conn, myData[acct_number])
else:
general_failure(conn,'withdraw',"not enough money in account")
finally:
lock.release()
print myData
return
def create_request(conn, netBuffer, myData, lock):
values = unpack('!II', netBuffer[6:14])
lock.acquire()
try:
#get balance
if (values[0] >= 0 and values[0] < sys.maxint):
bal = values[0]
else:
general_failure(conn, 'create', "invalid balance")
return
#get account number
if values[1] > 0 and values[1] <= 100:
act = values[1]
if act in myData:
general_failure(conn, 'create', "account already in use")
return
#generate a value if it was -1
elif values[1] == -1:
i = 1
while i in myData:
i += 1
if i == 101:
general_failure(conn, 'create', "no remaining accounts")
return
act = i
else:
general_failure(conn, 'create', "invalid account number")
return
myData[act] = bal
create_success(conn, act)
finally:
lock.release()
print myData
return
def create_request(conn,netBuffer,myData,lock):
values = unpack('!II',netBuffer[6:14])
lock.acquire()
try:
#get balance
if(values[0] >= 0 and values[0] < sys.maxint):
bal = values[0]
else:
general_failure(conn, 'create', "invalid balance")
return
#get account number
if values[1] > 0 and values[1] <= 100:
act = values[1]
if act in myData:
general_failure(conn, 'create',"account already in use")
return
#generate a value if it was -1
elif values[1] == -1:
i = 1
while i in myData:
i+=1
if i == 101:
general_failure(conn, 'create',"no remaining accounts")
return
act = i
else:
general_failure(conn, 'create',"invalid account number")
return
myData[act] = bal
create_success(conn,act)
finally:
lock.release()
print myData
return
def deposit_request(conn, xml, myData, lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
bal = int(arguments[1].text)
lock.acquire()
try:
# get account number
if act <= 0 or act > 100:
general_failure(conn, 'deposit', "invalid account number")
return
# check for existence of account
if act not in myData:
general_failure(conn, 'deposit', "nonexistent account number")
return
# check for a valid deposit amount
if bal <= 0:
general_failure(conn, 'deposit', "nonsense deposit amount")
return
curr_bal = myData[act]
# check that the new balance won't overflow
if bal < sys.maxint - curr_bal - 1:
myData[act] = curr_bal + bal
else:
general_failure(conn, 'deposit',
"account overflow... damn you are rich")
return
deposit_success(conn, curr_bal + bal)
finally:
lock.release()
print myData
return
def deposit_request(conn,xml,myData,lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
bal = int(arguments[1].text)
lock.acquire()
try:
# get account number
if act <= 0 or act > 100:
general_failure(conn,'deposit',"invalid account number")
return
# check for existence of account
if act not in myData:
general_failure(conn,'deposit',"nonexistent account number")
return
# check for a valid deposit amount
if bal <= 0:
general_failure(conn,'deposit',"nonsense deposit amount")
return
curr_bal = myData[act]
# check that the new balance won't overflow
if bal < sys.maxint - curr_bal - 1:
myData[act] = curr_bal + bal
else:
general_failure(conn,'deposit',"account overflow... damn you are rich")
return
deposit_success(conn, curr_bal + bal)
finally:
lock.release()
print myData
return
def deposit_request(conn,json_data,myData,lock):
amount, acct_number = json_data['arguments']['amount'], json_data['arguments']['acct_number']
lock.acquire()
try:
if amount < 0:
general_failure(conn, 'deposit', "invalid deposit amount")
elif acct_number < 0 or acct_number > 100:
general_failure(conn, 'deposit', "invalid account number")
elif acct_number not in myData:
general_failure(conn, 'deposit', "nonexistent account number")
else:
if amount < sys.maxint - myData[acct_number] - 1:
myData[acct_number] += amount
deposit_success(conn, myData[acct_number])
else:
general_failure(conn,'deposit',"account overflow... damn you are rich")
finally:
lock.release()
print myData
return
def deposit_request(conn,message,myData,lock):
values = repackage_message(message)
lock.acquire()
try:
#get account number
if(values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn,'deposit',"invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn,'deposit',"nonexistent account number")
return
#check for a valid deposit amount
if values[1] > 0:
bal = values[1]
else:
general_failure(conn,'deposit',"nonsense deposit amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if bal < sys.maxint - curr_bal - 1:
myData[act] = curr_bal + bal
else:
general_failure(conn,'deposit',"account overflow... damn you are rich")
return
deposit_success(conn, curr_bal + bal)
finally:
lock.release()
print myData
return
def deposit_request(conn, message, myData, lock):
values = repackage_message(message)
lock.acquire()
try:
#get account number
if (values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn, 'deposit', "invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn, 'deposit', "nonexistent account number")
return
#check for a valid deposit amount
if values[1] > 0:
bal = values[1]
else:
general_failure(conn, 'deposit', "nonsense deposit amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if bal < sys.maxint - curr_bal - 1:
myData[act] = curr_bal + bal
else:
general_failure(conn, 'deposit',
"account overflow... damn you are rich")
return
deposit_success(conn, curr_bal + bal)
finally:
lock.release()
print myData
return
def withdraw_request(conn, json_data, myData, lock):
amount, acct_number = json_data['arguments']['amount'], json_data[
'arguments']['acct_number']
lock.acquire()
try:
if amount < 0:
general_failure(conn, 'withdraw', "invalid withdrawal amount")
elif acct_number < 0 or acct_number > 100:
general_failure(conn, 'withdraw', "invalid account number")
elif acct_number not in myData:
general_failure(conn, 'withdraw', "nonexistent account number")
else:
if myData[acct_number] - amount >= 0:
myData[acct_number] -= amount
withdraw_success(conn, myData[acct_number])
else:
general_failure(conn, 'withdraw',
"not enough money in account")
finally:
lock.release()
print myData
return
def deposit_request(conn, json_data, myData, lock):
amount, acct_number = json_data['arguments']['amount'], json_data[
'arguments']['acct_number']
lock.acquire()
try:
if amount < 0:
general_failure(conn, 'deposit', "invalid deposit amount")
elif acct_number < 0 or acct_number > 100:
general_failure(conn, 'deposit', "invalid account number")
elif acct_number not in myData:
general_failure(conn, 'deposit', "nonexistent account number")
else:
if amount < sys.maxint - myData[acct_number] - 1:
myData[acct_number] += amount
deposit_success(conn, myData[acct_number])
else:
general_failure(conn, 'deposit',
"account overflow... damn you are rich")
finally:
lock.release()
print myData
return
def withdraw_request(conn,xml,myData,lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
bal = int(arguments[1].text)
lock.acquire()
try:
# get account number
if act <= 0 or act > 100:
general_failure(conn,'withdraw',"invalid account number")
return
# check for existence of account
if act not in myData:
general_failure(conn,'withdraw',"nonexistent account number")
return
# check for a valid deposit amount
if bal <= 0:
general_failure(conn,'withdraw',"nonsense withdrawal amount")
return
curr_bal = myData[act]
# check that the new balance won't overflow
if curr_bal - bal >= 0:
myData[act] = curr_bal - bal
else:
general_failure(conn,'withdraw',"not enough money in account")
return
withdraw_success(conn, curr_bal - bal)
finally:
lock.release()
print myData
return
def withdraw_request(conn, xml, myData, lock):
# get arguments from xml
arguments = xml.find('arguments').findall('arg')
act = int(arguments[0].text)
bal = int(arguments[1].text)
lock.acquire()
try:
# get account number
if act <= 0 or act > 100:
general_failure(conn, 'withdraw', "invalid account number")
return
# check for existence of account
if act not in myData:
general_failure(conn, 'withdraw', "nonexistent account number")
return
# check for a valid deposit amount
if bal <= 0:
general_failure(conn, 'withdraw', "nonsense withdrawal amount")
return
curr_bal = myData[act]
# check that the new balance won't overflow
if curr_bal - bal >= 0:
myData[act] = curr_bal - bal
else:
general_failure(conn, 'withdraw', "not enough money in account")
return
withdraw_success(conn, curr_bal - bal)
finally:
lock.release()
print myData
return
def withdraw_request(conn,message,myData,lock):
values = repackage_message(message)
lock.acquire()
try:
#get account number
if(values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn,'withdraw',"invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn,'withdraw',"nonexistent account number")
return
#check for a valid deposit amount
if values[1] > 0:
bal = values[1]
else:
general_failure(conn,'withdraw',"nonsense withdrawal amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if curr_bal - bal >= 0:
myData[act] = curr_bal - bal
else:
general_failure(conn,'withdraw',"not enough money in account")
return
withdraw_success(conn, curr_bal - bal)
finally:
lock.release()
print myData
return
def delete_request(conn,json_data,myData,lock):
acct_number = json_data['arguments']['acct_number']
lock.acquire()
try:
if acct_number < 0 or acct_number > 100:
general_failure(conn, 'closeAccount',"invalid account number")
elif acct_number not in myData:
general_failure(conn, 'closeAccount',"nonexistent account number")
elif myData[acct_number] != 0:
general_failure(conn, 'closeAccount',"nonzero money in that account")
else:
del myData[acct_number]
delete_success(conn)
finally:
lock.release()
print myData
return
def withdraw_request(conn, message, myData, lock):
values = repackage_message(message)
lock.acquire()
try:
#get account number
if (values[0] >= 0 and values[0] <= 100):
act = values[0]
else:
general_failure(conn, 'withdraw', "invalid account number")
return
#check for existence of account
if act not in myData:
general_failure(conn, 'withdraw', "nonexistent account number")
return
#check for a valid deposit amount
if values[1] > 0:
bal = values[1]
else:
general_failure(conn, 'withdraw', "nonsense withdrawal amount")
return
curr_bal = myData[act]
#check that the new balance won't overflow
if curr_bal - bal >= 0:
myData[act] = curr_bal - bal
else:
general_failure(conn, 'withdraw', "not enough money in account")
return
withdraw_success(conn, curr_bal - bal)
finally:
lock.release()
print myData
return
def delete_request(conn, json_data, myData, lock):
acct_number = json_data['arguments']['acct_number']
lock.acquire()
try:
if acct_number < 0 or acct_number > 100:
general_failure(conn, 'closeAccount', "invalid account number")
elif acct_number not in myData:
general_failure(conn, 'closeAccount', "nonexistent account number")
elif myData[acct_number] != 0:
general_failure(conn, 'closeAccount',
"nonzero money in that account")
else:
del myData[acct_number]
delete_success(conn)
finally:
lock.release()
print myData
return
def create_request(conn,netBuffer,myData,lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1'])
values['arg2'] = int(values['arg2'])
except ValueError:
general_failure(conn, 'create', "invalid arguments")
#get balance
try:
a1 = int(values['arg1'])
a2 = int(values['arg2'])
except ValueError:
general_failure(conn, 'create', "invalid balance")
return
if(values['arg1'] >= 0 and values['arg1'] < sys.maxint):
bal = int(values['arg1'])
else:
general_failure(conn, 'create', "invalid balance")
return
#get account number
if values['arg2'] > 0 and values['arg2'] <= 100:
act = values['arg2']
if act in myData:
general_failure(conn, 'create',"account already in use")
return
#generate a value if it was -1
elif values['arg2'] == -1:
i = 1
while i in myData:
i+=1
if i == 101:
general_failure(conn, 'create',"no remaining accounts")
return
act = i
else:
general_failure(conn, 'create',"invalid account number")
return
myData[act] = bal
create_success(conn,act)
finally:
lock.release()
print myData
return
def create_request(conn, netBuffer, myData, lock):
values = unpack_xml(netBuffer)
lock.acquire()
try:
try:
values['arg1'] = int(values['arg1'])
values['arg2'] = int(values['arg2'])
except ValueError:
general_failure(conn, 'create', "invalid arguments")
#get balance
try:
a1 = int(values['arg1'])
a2 = int(values['arg2'])
except ValueError:
general_failure(conn, 'create', "invalid balance")
return
if (values['arg1'] >= 0 and values['arg1'] < sys.maxint):
bal = int(values['arg1'])
else:
general_failure(conn, 'create', "invalid balance")
return
#get account number
if values['arg2'] > 0 and values['arg2'] <= 100:
act = values['arg2']
if act in myData:
general_failure(conn, 'create', "account already in use")
return
#generate a value if it was -1
elif values['arg2'] == -1:
i = 1
while i in myData:
i += 1
if i == 101:
general_failure(conn, 'create', "no remaining accounts")
return
act = i
else:
general_failure(conn, 'create', "invalid account number")
return
myData[act] = bal
create_success(conn, act)
finally:
lock.release()
print myData
return
