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| 21 | |
21 | |
| 22 | #include <vector> |
22 | #include <vector> |
| 23 | |
23 | |
| 24 | #include <sys/poll.h> |
24 | #include <sys/poll.h> |
| 25 | |
25 | |
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26 | #include "callback.h" |
| 26 | #include "slog.h" |
27 | #include "slog.h" |
| 27 | |
28 | |
| 28 | typedef double tstamp; |
29 | typedef double tstamp; |
| 29 | |
30 | |
| 30 | extern tstamp NOW; |
31 | extern tstamp NOW; |
| 31 | |
32 | |
| 32 | template<class R, class A> class callback; |
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| 33 | struct io_watcher; |
33 | struct io_watcher; |
| 34 | struct time_watcher; |
34 | struct time_watcher; |
| 35 | |
35 | |
| 36 | class io_manager { |
36 | class io_manager { |
| 37 | vector<pollfd> pfs; |
37 | vector<pollfd> pfs; |
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| 54 | io_manager (); |
54 | io_manager (); |
| 55 | ~io_manager (); |
55 | ~io_manager (); |
| 56 | }; |
56 | }; |
| 57 | |
57 | |
| 58 | extern io_manager iom; |
58 | extern io_manager iom; |
| 59 | |
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| 60 | template<class R, class A> |
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| 61 | class callback { |
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| 62 | struct object { }; |
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| 63 | |
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| 64 | void *obj; |
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| 65 | R (object::*meth)(A arg); |
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| 66 | |
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| 67 | // a proxy is a kind of recipe on how to call a specific class method |
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| 68 | struct proxy_base { |
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| 69 | virtual R call (void *obj, R (object::*meth)(A), A arg) = 0; |
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| 70 | }; |
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| 71 | template<class O1, class O2> |
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| 72 | struct proxy : proxy_base { |
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| 73 | virtual R call (void *obj, R (object::*meth)(A), A arg) |
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| 74 | { |
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| 75 | ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A)>(meth))) |
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| 76 | (arg); |
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| 77 | } |
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| 78 | }; |
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| 79 | |
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| 80 | proxy_base *prxy; |
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| 81 | |
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| 82 | public: |
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| 83 | template<class O1, class O2> |
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| 84 | callback (O1 *object, R (O2::*method)(A)) |
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| 85 | { |
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| 86 | static proxy<O1,O2> p; |
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| 87 | obj = reinterpret_cast<void *>(object); |
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| 88 | meth = reinterpret_cast<R (object::*)(A)>(method); |
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| 89 | prxy = &p; |
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| 90 | } |
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| 91 | |
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| 92 | R call(A arg) const |
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| 93 | { |
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| 94 | return prxy->call (obj, meth, arg); |
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| 95 | } |
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| 96 | |
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| 97 | R operator ()(A arg) const |
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| 98 | { |
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| 99 | return call (arg); |
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| 100 | } |
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| 101 | }; |
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| 102 | |
59 | |
| 103 | struct io_watcher : callback<void, short> { |
60 | struct io_watcher : callback<void, short> { |
| 104 | template<class O1, class O2> |
61 | template<class O1, class O2> |
| 105 | io_watcher (O1 *object, void (O2::*method)(short revents)) |
62 | io_watcher (O1 *object, void (O2::*method)(short revents)) |
| 106 | : callback<void, short>(object,method) |
63 | : callback<void, short>(object,method) |
