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| 1 /** | 1 /** |
| 2 * \file process.h | 2 * \file process.h |
| 3 */ | 3 */ |
| 4 | 4 |
| 5 #ifndef PROCESS_H | 5 #ifndef PROCESS_H |
| 6 #define PROCESS_H | 6 #define PROCESS_H |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <algorithm> | 10 #include <algorithm> |
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| 73 * Copy assignment declared private and not defined. | 73 * Copy assignment declared private and not defined. |
| 74 * | 74 * |
| 75 * \par Implementation | 75 * \par Implementation |
| 76 * Add "= delete" for C++11. | 76 * Add "= delete" for C++11. |
| 77 */ | 77 */ |
| 78 Windows_Handle operator=( const Windows_Handle & ) ; | 78 Windows_Handle operator=( const Windows_Handle & ) ; |
| 79 | 79 |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 //------------------------------------------------------- | 82 //------------------------------------------------------- |
| 83 // exe_name_set: case-insensitive wide-string set | 83 // file_name_set: case-insensitive wide-string set |
| 84 //------------------------------------------------------- | 84 //------------------------------------------------------- |
| 85 int wcscmpi( const wchar_t * s1, const wchar_t * s2 ) ; | 85 int wcscmpi( const wchar_t * s1, const wchar_t * s2 ) ; |
| 86 | 86 |
| 87 struct exe_name | 87 struct file_name |
| 88 { | 88 { |
| 89 /** | 89 /** |
| 90 * Pointer to wide-character string, which is supposed to be null-terminated. | 90 * Pointer to wide-character string, which is supposed to be null-terminated. |
| 91 */ | 91 */ |
| 92 const wchar_t * name ; | 92 const wchar_t * name ; |
| 93 | 93 |
| 94 exe_name( const wchar_t * name ) : name( name ) {} ; | 94 file_name( const wchar_t * name ) : name( name ) {} ; |
| 95 } ; | 95 } ; |
| 96 | 96 |
| 97 template <> | 97 template <> |
| 98 struct std::less< exe_name > | 98 struct std::less< file_name > |
| 99 : std::binary_function< exe_name, exe_name, bool > | 99 : std::binary_function< file_name, file_name, bool > |
| 100 { | 100 { |
| 101 bool operator()( const exe_name & a, const exe_name & b ) const | 101 bool operator()( const file_name & a, const file_name & b ) const |
| 102 { | 102 { |
| 103 return wcscmpi( a.name, b.name ) < 0 ; | 103 return wcscmpi( a.name, b.name ) < 0 ; |
| 104 } | 104 } |
| 105 } ; | 105 } ; |
| 106 | 106 |
| 107 struct exe_name_set | 107 struct file_name_set |
| 108 : public std::set< exe_name > | 108 : public std::set< file_name > |
| 109 { | 109 { |
| 110 exe_name_set( const wchar_t * exe_name_list[], size_t n_exe_names ) | 110 file_name_set(){}; |
| 111 |
| 112 file_name_set( const wchar_t * file_name_list[], size_t n_file_names ) |
| 111 { | 113 { |
| 112 for ( unsigned int j = 0 ; j < n_exe_names ; ++ j ) | 114 for ( unsigned int j = 0 ; j < n_file_names ; ++ j ) |
| 113 { | 115 { |
| 114 insert( exe_name( exe_name_list[ j ] ) ) ; | 116 insert( file_name( file_name_list[ j ] ) ) ; |
| 115 } | 117 } |
| 116 } | 118 } |
| 117 } ; | 119 } ; |
| 118 | 120 |
| 119 //------------------------------------------------------- | 121 //------------------------------------------------------- |
| 120 //------------------------------------------------------- | 122 //------------------------------------------------------- |
| 121 /** | 123 /** |
| 122 * Filter by process name. Comparison is case-insensitive. | 124 * Filter by process name. Comparison is case-insensitive. With ABP module loade
d |
| 123 */ | 125 */ |
| 124 class process_by_any_exe_name_CI | 126 class process_by_any_exe_with_any_module |
| 125 : public std::unary_function< PROCESSENTRY32W, bool > | 127 : public std::binary_function< PROCESSENTRY32W, file_name_set, bool > |
| 126 { | 128 { |
| 127 const exe_name_set & names ; | 129 const file_name_set & processNames ; |
| 130 const file_name_set & moduleNames; |
| 128 public: | 131 public: |
| 129 bool operator()( const PROCESSENTRY32W & ) ; | 132 bool operator()( const PROCESSENTRY32W & ) ; |
| 130 process_by_any_exe_name_CI( const exe_name_set & names ) | 133 process_by_any_exe_with_any_module( const file_name_set & names, const file_na
me_set & moduleNames ) |
| 131 : names( names ) | 134 : processNames( names ), moduleNames( moduleNames ) |
| 132 {} | 135 {} |
| 133 } ; | 136 } ; |
| 134 | 137 |
| 138 |
| 135 //------------------------------------------------------- | 139 //------------------------------------------------------- |
| 136 // Process utility functions. | 140 // Process utility functions. |
| 137 //------------------------------------------------------- | 141 //------------------------------------------------------- |
| 138 /** | 142 /** |
| 139 * A promiscuous filter admits everything. | 143 * A promiscuous filter admits everything. |
| 140 */ | 144 */ |
| 141 struct every_process | 145 struct every_process |
| 142 : public std::unary_function< PROCESSENTRY32W, bool > | 146 : public std::unary_function< PROCESSENTRY32W, bool > |
| 143 { | 147 { |
| 144 bool operator()( const PROCESSENTRY32W & ) { return true ; } ; | 148 bool operator()( const PROCESSENTRY32W & ) { return true ; } ; |
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| 257 Snapshot() ; | 261 Snapshot() ; |
| 258 | 262 |
| 259 /** | 263 /** |
| 260 * Reconstruct the current instance with a new system snapshot. | 264 * Reconstruct the current instance with a new system snapshot. |
| 261 */ | 265 */ |
| 262 void refresh() ; | 266 void refresh() ; |
| 263 | 267 |
| 264 /** | 268 /** |
| 265 * Return a pointer to the first process in the snapshot. | 269 * Return a pointer to the first process in the snapshot. |
| 266 */ | 270 */ |
| 267 PROCESSENTRY32W * begin() ; | 271 PROCESSENTRY32W * first() ; |
| 268 | |
| 269 /** | |
| 270 * The end pointer is an alias for the null pointer. | |
| 271 */ | |
| 272 inline PROCESSENTRY32W * end() const { return 0 ; } | |
| 273 | 272 |
| 274 /** | 273 /** |
| 275 * Return a pointer to the next process in the snapshot. | 274 * Return a pointer to the next process in the snapshot. |
| 276 * begin() must have been called first. | 275 * begin() must have been called first. |
| 277 */ | 276 */ |
| 278 PROCESSENTRY32W * next() ; | 277 PROCESSENTRY32W * next() ; |
| 278 } ; |
| 279 |
| 280 class ModulesSnapshot |
| 281 { |
| 282 /** |
| 283 * Handle to the process snapshot. |
| 284 */ |
| 285 Windows_Handle handle; |
| 279 | 286 |
| 280 /** | 287 /** |
| 281 * Type definition for pointer to underlying structure. | 288 * Buffer for reading a single module entry out of the snapshot. |
| 282 */ | 289 */ |
| 283 typedef PROCESSENTRY32W * Pointer ; | 290 MODULEENTRY32W module; |
| 284 } ; | 291 |
| 292 /** |
| 293 * Copy constructor declared private and not defined. |
| 294 * |
| 295 * \par Implementation |
| 296 * Add "= delete" for C++11. |
| 297 */ |
| 298 ModulesSnapshot(const ModulesSnapshot&); |
| 299 |
| 300 /** |
| 301 * Copy assignment declared private and not defined. |
| 302 * |
| 303 * \par Implementation |
| 304 * Add "= delete" for C++11. |
| 305 */ |
| 306 ModulesSnapshot operator=(const ModulesSnapshot&); |
| 307 |
| 308 |
| 309 public: |
| 310 /** |
| 311 * Default constructor takes the snapshot. |
| 312 */ |
| 313 ModulesSnapshot(DWORD processId); |
| 314 |
| 315 /** |
| 316 * Return a pointer to the first process in the snapshot. |
| 317 */ |
| 318 MODULEENTRY32W* first(); |
| 319 |
| 320 /** |
| 321 * Return a pointer to the next process in the snapshot. |
| 322 * begin() must have been called first. |
| 323 */ |
| 324 MODULEENTRY32W* next(); |
| 325 }; |
| 326 |
| 285 | 327 |
| 286 //------------------------------------------------------- | 328 //------------------------------------------------------- |
| 287 // initialize_process_list | 329 // initialize_process_list |
| 288 //------------------------------------------------------- | 330 //------------------------------------------------------- |
| 289 /** | 331 /** |
| 290 * \tparam T The type into which a PROCESSENTRY32W struture is extracted. | 332 * \tparam T The type into which a PROCESSENTRY32W struture is extracted. |
| 291 * \tparam Admittance Function type for argument 'admit' | 333 * \tparam Admittance Function type for argument 'admit' |
| 292 * \tparam Extractor Function type for argument 'extract' | 334 * \tparam Extractor Function type for argument 'extract' |
| 293 * \param admit A unary predicate function class that determines what's included | 335 * \param admit A unary predicate function class that determines what's included |
| 294 * A process appears in the list only if the predicate returns true. | 336 * A process appears in the list only if the predicate returns true. |
| 295 * The use of this predicate is analogous to that in std::copy_if. | 337 * The use of this predicate is analogous to that in std::copy_if. |
| 296 * \param convert A conversion function that takes a PROCESSENTRY32W as input ar
gument and returns an element of type T. | 338 * \param convert A conversion function that takes a PROCESSENTRY32W as input ar
gument and returns an element of type T. |
| 297 */ | 339 */ |
| 298 template< class T, class Admittance, class Extractor > | 340 template<class T, class Admittance, class Extractor> |
| 299 void initialize_process_list( std::vector< T > & v, Snapshot & snap, Admittance
admit = Admittance(), Extractor extract = Extractor() ) | 341 void initialize_process_list(std::vector<T>& v, Snapshot& snap, Admittance admit
= Admittance(), Extractor extract = Extractor()) |
| 300 { | 342 { |
| 301 Snapshot::Pointer p = snap.begin() ; | 343 PROCESSENTRY32W* p = snap.first(); |
| 302 while ( p != snap.end() ) | 344 while (p != NULL) |
| 303 { | 345 { |
| 304 if ( admit( * p ) ) | 346 if (admit(*p )) |
| 305 { | 347 { |
| 306 /* | 348 /* |
| 307 * We don't have C++11 emplace_back, which can construct the element in p
lace. | 349 * We don't have C++11 emplace_back, which can construct the element in p
lace. |
| 308 * Instead, we copy the return value of the converter. | 350 * Instead, we copy the return value of the converter. |
| 309 */ | 351 */ |
| 310 v.push_back( extract( * p ) ); | 352 v.push_back(extract(*p)); |
| 311 } | 353 } |
| 312 p = snap.next() ; | 354 p = snap.next(); |
| 313 } | 355 } |
| 314 } ; | 356 }; |
| 315 | 357 |
| 316 //------------------------------------------------------- | 358 //------------------------------------------------------- |
| 317 // initialize_process_set | 359 // initialize_process_set |
| 318 //------------------------------------------------------- | 360 //------------------------------------------------------- |
| 319 /** | 361 /** |
| 320 * \tparam T The type into which a PROCESSENTRY32W struture is extracted. | 362 * \tparam T The type into which a PROCESSENTRY32W struture is extracted. |
| 321 * \tparam Admittance Function type for argument 'admit' | 363 * \tparam Admittance Function type for argument 'admit' |
| 322 * \tparam Extractor Function type for argument 'extract' | 364 * \tparam Extractor Function type for argument 'extract' |
| 323 * \param admit A unary predicate function class that determines what's included | 365 * \param admit A unary predicate function class that determines what's included |
| 324 * A process appears in the list only if the predicate returns true. | 366 * A process appears in the list only if the predicate returns true. |
| 325 * The use of this predicate is analogous to that in std::copy_if. | 367 * The use of this predicate is analogous to that in std::copy_if. |
| 326 * \param convert A conversion function that takes a PROCESSENTRY32W as input ar
gument and returns an element of type T. | 368 * \param convert A conversion function that takes a PROCESSENTRY32W as input ar
gument and returns an element of type T. |
| 327 */ | 369 */ |
| 328 template< class T, class Admittance, class Extractor > | 370 template<class T, class Admittance, class Extractor> |
| 329 void initialize_process_set( std::set< T > & set, Snapshot & snap, Admittance ad
mit = Admittance(), Extractor extract = Extractor() ) | 371 void initialize_process_set(std::set< T > & set, Snapshot& snap, Admittance admi
t = Admittance(), Extractor extract = Extractor()) |
| 330 { | 372 { |
| 331 Snapshot::Pointer p = snap.begin() ; | 373 PROCESSENTRY32W* p = snap.first(); |
| 332 while ( p != snap.end() ) | 374 while (p != NULL) |
| 333 { | 375 { |
| 334 if ( admit( * p ) ) | 376 if (admit(*p)) |
| 335 { | 377 { |
| 336 set.insert( extract( * p ) ); | 378 set.insert(extract(*p)); |
| 337 } | 379 } |
| 338 p = snap.next() ; | 380 p = snap.next(); |
| 339 } | 381 } |
| 340 } ; | 382 }; |
| 341 | 383 |
| 342 //------------------------------------------------------- | 384 //------------------------------------------------------- |
| 343 // enumerate_windows | 385 // enumerate_windows |
| 344 //------------------------------------------------------- | 386 //------------------------------------------------------- |
| 345 | 387 |
| 346 /** | 388 /** |
| 347 * States of a window enumeration. | 389 * States of a window enumeration. |
| 348 */ | 390 */ |
| 349 typedef enum | 391 typedef enum |
| 350 { | 392 { |
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| 458 * Set of process identifiers matching one of the executable names. | 500 * Set of process identifiers matching one of the executable names. |
| 459 */ | 501 */ |
| 460 std::set< DWORD > pid_set ; | 502 std::set< DWORD > pid_set ; |
| 461 | 503 |
| 462 /** | 504 /** |
| 463 * Set of executable names by which to filter. | 505 * Set of executable names by which to filter. |
| 464 * | 506 * |
| 465 * The argument of the filter constructor is a set by reference. | 507 * The argument of the filter constructor is a set by reference. |
| 466 * Since it does not make a copy for itself, we define it as a class member to
provide its allocation. | 508 * Since it does not make a copy for itself, we define it as a class member to
provide its allocation. |
| 467 */ | 509 */ |
| 468 exe_name_set exe_names ; | 510 file_name_set file_names ; |
| 511 /** |
| 512 * Set of module (DLL) names by which to filter. |
| 513 */ |
| 514 file_name_set module_names ; |
| 469 | 515 |
| 470 /** | 516 process_by_any_exe_with_any_module filter ; |
| 471 * Filter function object matches on any of the exe names specified in the con
structor. | |
| 472 */ | |
| 473 process_by_any_exe_name_CI filter ; | |
| 474 | 517 |
| 475 /** | 518 /** |
| 476 * Copy function object copies just the process ID. | 519 * Copy function object copies just the process ID. |
| 477 */ | 520 */ |
| 478 copy_PID copy ; | 521 copy_PID copy ; |
| 479 | 522 |
| 480 /** | 523 /** |
| 481 * Snapshot of running processes. | 524 * Snapshot of running processes. |
| 482 */ | 525 */ |
| 483 Snapshot & snapshot ; | 526 Snapshot & snapshot ; |
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| 514 if ( ! b ) | 557 if ( ! b ) |
| 515 { | 558 { |
| 516 // Assert the process that created the window is not in our pid_set | 559 // Assert the process that created the window is not in our pid_set |
| 517 return true ; | 560 return true ; |
| 518 } | 561 } |
| 519 return f( window ) ; | 562 return f( window ) ; |
| 520 } | 563 } |
| 521 } ; | 564 } ; |
| 522 | 565 |
| 523 public: | 566 public: |
| 524 Process_Closer( Snapshot & snapshot, const wchar_t * exe_name_list[], size_t n
_exe_names ) | 567 template <size_t n_file_names, size_t n_module_names> |
| 525 : snapshot( snapshot ), exe_names( exe_name_list, n_exe_names ), filter( exe
_names ) | 568 Process_Closer(Snapshot & snapshot, const wchar_t* (&file_name_list)[n_file_na
mes], const wchar_t* (&module_name_list)[n_module_names]) |
| 569 : snapshot(snapshot), file_names(file_name_list, n_file_names), module_names
(module_name_list, n_module_names), filter(file_names, module_names) |
| 526 { | 570 { |
| 527 update() ; | 571 update() ; |
| 528 } | 572 } |
| 573 template <size_t n_file_names> |
| 574 Process_Closer(Snapshot & snapshot, const wchar_t * (&file_name_list)[n_file_n
ames]) |
| 575 : snapshot(snapshot), file_names(file_name_list, n_file_names), module_names
(), filter(file_names, module_names) |
| 576 { |
| 577 update() ; |
| 578 } |
| 529 | 579 |
| 530 /** | 580 /** |
| 531 * Refresh our state to match the snapshot state. | 581 * Refresh our state to match the snapshot state. |
| 532 */ | 582 */ |
| 533 void refresh() | 583 void refresh() |
| 534 { | 584 { |
| 535 pid_set.clear() ; | 585 pid_set.clear() ; |
| 536 update() ; | 586 update() ; |
| 537 } | 587 } |
| 538 | 588 |
| 539 bool is_running() { return ! pid_set.empty() ; } ; | 589 bool is_running() { return ! pid_set.empty() ; } ; |
| 540 | 590 |
| 541 bool contains( DWORD pid ) const { return pid_set.find( pid ) != pid_set.end()
; } ; | 591 bool contains( DWORD pid ) const { return pid_set.find( pid ) != pid_set.end()
; } ; |
| 542 | 592 |
| 543 template< class F > | 593 template< class F > |
| 544 bool iterate_our_windows( F f ) | 594 bool iterate_our_windows( F f ) |
| 545 { | 595 { |
| 546 only_our_processes< F > g( * this, f ) ; | 596 only_our_processes< F > g( * this, f ) ; |
| 547 return enumerate_windows( g ) ; | 597 return enumerate_windows( g ) ; |
| 548 } | 598 } |
| 549 | 599 |
| 550 /* | 600 /* |
| 551 * Shut down every process in the pid_set. | 601 * Shut down every process in the pid_set. |
| 552 */ | 602 */ |
| 553 bool shut_down() ; | 603 bool shut_down() ; |
| 554 | 604 |
| 555 } ; | 605 } ; |
| 556 | 606 |
| 557 #endif | 607 #endif |
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