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This commit is contained in:
Bassem Girgis
2018-10-18 00:40:34 -05:00
parent fffe4528da
commit 31c32e368a
149 changed files with 5974 additions and 6287 deletions
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70
source/listing_4.15.cpp
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@@ -1,43 +1,35 @@
struct card_inserted
{
std::string account;
struct card_inserted {
std::string account;
};
class atm
{
messaging::receiver incoming;
messaging::sender bank;
messaging::sender interface_hardware;
void (atm::*state)();
std::string account;
std::string pin;
void waiting_for_card()
{
interface_hardware.send(display_enter_card());
incoming.wait()
.handle<card_inserted>(
[&](card_inserted const& msg)
{
account=msg.account;
pin="";
interface_hardware.send(display_enter_pin());
state=&atm::getting_pin;
}
);
}
void getting_pin();
class atm {
messaging::receiver incoming;
messaging::sender bank;
messaging::sender interface_hardware;
void (atm::*state)();
std::string account;
std::string pin;
void waiting_for_card()
{
interface_hardware.send(display_enter_card());
incoming.wait().handle<card_inserted>([&](card_inserted const& msg) {
account = msg.account;
pin = "";
interface_hardware.send(display_enter_pin());
state = &atm::getting_pin;
});
}
void getting_pin();
public:
void run()
{
state=&atm::waiting_for_card;
try
{
for(;;)
{
(this->*state)();
}
}
catch(messaging::close_queue const&)
{
}
void run()
{
state = &atm::waiting_for_card;
try {
for (;;) {
(this->*state)();
}
}
catch (messaging::close_queue const&) {
}
}
};