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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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55 | ~io_manager (); |
55 | ~io_manager (); |
56 | }; |
56 | }; |
57 | |
57 | |
58 | extern io_manager iom; |
58 | extern io_manager iom; |
59 | |
59 | |
60 | template<class R, class A> |
60 | struct io_watcher : callback2<void, int, short> { |
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> |
61 | template<class O1, class O2> |
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 | |
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103 | struct io_watcher : callback<void, short> { |
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104 | template<class O1, class O2> |
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105 | io_watcher (O1 *object, void (O2::*method)(short revents)) |
62 | io_watcher (O1 *object, void (O2::*method)(int fd, short revents)) |
106 | : callback<void, short>(object,method) |
63 | : callback2<void, int, short>(object,method) |
107 | { } |
64 | { } |
108 | |
65 | |
109 | ~io_watcher () |
66 | ~io_watcher () |
110 | { |
67 | { |
111 | iom.unreg (this); |
68 | iom.unreg (this); |
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122 | } |
79 | } |
123 | }; |
80 | }; |
124 | |
81 | |
125 | #define TSTAMP_CANCEL -1. |
82 | #define TSTAMP_CANCEL -1. |
126 | |
83 | |
127 | struct time_watcher : callback<void, tstamp &> { |
84 | struct time_watcher : callback1<void, tstamp &> { |
128 | bool registered; // already registered? |
85 | bool registered; // already registered? |
129 | tstamp at; |
86 | tstamp at; |
130 | |
87 | |
131 | template<class O1, class O2> |
88 | template<class O1, class O2> |
132 | time_watcher (O1 *object, void (O2::*method)(tstamp &)) |
89 | time_watcher (O1 *object, void (O2::*method)(tstamp &)) |
133 | : callback<void, tstamp &>(object,method) |
90 | : callback1<void, tstamp &>(object,method) |
134 | , registered(false) |
91 | , registered(false) |
135 | { } |
92 | { } |
136 | |
93 | |
137 | ~time_watcher () |
94 | ~time_watcher () |
138 | { |
95 | { |