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filesystem: Introduce the basic notion of 'logical channels'

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cards can have multiple logical channels; each logical channel
has its own state of what is the current selected file + application.

Let's split the RuntimeState class into the global RuntimeState and the
per-lchan-specific RuntimeLchan class.

This code doesn't actually introduce any code that uses lchans other
than the basic logical channel (0), but just modifies the data model
to accomodate those in the future.

Change-Id: I7aa994b625467d4e46a2edd8123240b930305360
This commit is contained in:
Harald Welte
2022-07-17 14:23:17 +02:00
parent de4c14c0dc
commit a6c0f880da
7 changed files with 181 additions and 118 deletions
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8
pySim/ts_31_102.py
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@@ -588,7 +588,7 @@ class EF_UServiceTable(TransparentEF):
def get_active_services(self, cmd):
# obtain list of currently active services
(service_data, sw) = cmd.rs.read_binary_dec()
(service_data, sw) = cmd.lchan.read_binary_dec()
active_services = []
for s in service_data.keys():
if service_data[s]['activated']:
@@ -609,7 +609,7 @@ class EF_UServiceTable(TransparentEF):
for f in files_by_service[s]:
should_exist = f.should_exist_for_services(active_services)
try:
cmd.rs.select_file(f)
cmd.lchan.select_file(f)
sw = None
exists = True
except SwMatchError as e:
@@ -623,7 +623,7 @@ class EF_UServiceTable(TransparentEF):
cmd.perror(" ERROR: File %s is not selectable (%s) but should!" % (f, sw))
finally:
# re-select the EF.UST
cmd.rs.select_file(self)
cmd.lchan.select_file(self)
return num_problems
class EF_UST(EF_UServiceTable):
@@ -652,7 +652,7 @@ class EF_UST(EF_UServiceTable):
absent/deactivated. This performs a consistency check to ensure that no services are activated
for files that are not - and vice-versa, no files are activated for services that are not. Error
messages are printed for every inconsistency found."""
selected_file = self._cmd.rs.selected_file
selected_file = self._cmd.lchan.selected_file
num_problems = selected_file.ust_service_check(self._cmd)
# obtain list of currently active services
active_services = selected_file.get_active_services(self._cmd)