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jack2/common/JackRequest.h

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  1. /*

  2. Copyright (C) 2001 Paul Davis

  3. Copyright (C) 2004-2008 Grame

  4. 

  5. This program is free software; you can redistribute it and/or modify

  6. it under the terms of the GNU Lesser General Public License as published by

  7. the Free Software Foundation; either version 2.1 of the License, or

  8. (at your option) any later version.

  9. 

  10. This program is distributed in the hope that it will be useful,

  11. but WITHOUT ANY WARRANTY; without even the implied warranty of

  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  13. GNU Lesser General Public License for more details.

  14. 

  15. You should have received a copy of the GNU Lesser General Public License

  16. along with this program; if not, write to the Free Software 

  17. Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

  18. 

  19. */

  20. 

  21. #ifndef __JackRequest__

  22. #define __JackRequest__

  23. 

  24. #include "JackConstants.h"

  25. #include "JackPlatformChannelTransaction.h"

  26. #include "types.h"

  27. #include <string.h>

  28. #include <stdio.h>

  29. 

  30. namespace Jack

  31. {

  32. 

  33. #define CheckRes(exp) { if ((exp) < 0) return -1;}

  34. 

  35. /*!

  36. \brief Request from client to server.

  37. */

  38. 

  39. struct JackRequest

  40. {

  41. 

  42.     enum RequestType {

  43.         kRegisterPort = 1,

  44.         kUnRegisterPort = 2,

  45.         kConnectPorts = 3,

  46.         kDisconnectPorts = 4,

  47.         kSetTimeBaseClient = 5,

  48.         kActivateClient = 6,

  49.         kDeactivateClient = 7,

  50.         kDisconnectPort = 8,

  51.         kSetClientCapabilities = 9,

  52.         kGetPortConnections = 10,

  53.         kGetPortNConnections = 11,

  54.         kReleaseTimebase = 12,

  55.         kSetTimebaseCallback = 13,

  56.         kSetBufferSize = 20,

  57.         kSetFreeWheel = 21,

  58.         kClientCheck = 22,

  59.         kClientOpen = 23,

  60.         kClientClose = 24,

  61.         kConnectNamePorts = 25,

  62.         kDisconnectNamePorts = 26,

  63.         kGetInternalClientName = 27,

  64.         kInternalClientHandle = 28,

  65.         kInternalClientLoad = 29,

  66.         kInternalClientUnload = 30,

  67.         kNotification = 31

  68.     };

  69. 

  70.     RequestType fType;

  71. 

  72.     JackRequest()

  73.     {}

  74. 

  75.     JackRequest(RequestType type): fType(type)

  76.     {}

  77. 

  78.     virtual ~JackRequest()

  79.     {}

  80. 

  81.     virtual int Read(JackChannelTransaction* trans)

  82.     {

  83.         return trans->Read(&fType, sizeof(RequestType));

  84.     }

  85. 

  86.     virtual int Write(JackChannelTransaction* trans)

  87.     {

  88.         return trans->Write(&fType, sizeof(RequestType));

  89.     }

  90. 

  91. };

  92. 

  93. /*!

  94. \brief Result from the server.

  95. */

  96. 

  97. struct JackResult

  98. {

  99. 

  100.     int	fResult;

  101. 

  102.     JackResult(): fResult( -1)

  103.     {}

  104.     JackResult(int result): fResult(result)

  105.     {}

  106.     virtual ~JackResult()

  107.     {}

  108. 

  109.     virtual int Read(JackChannelTransaction* trans)

  110.     {

  111.         return trans->Read(&fResult, sizeof(int));

  112.     }

  113. 

  114.     virtual int Write(JackChannelTransaction* trans)

  115.     {

  116.         return trans->Write(&fResult, sizeof(int));

  117.     }

  118. };

  119. 

  120. /*!

  121. \brief CheckClient request.

  122. */

  123. 

  124. struct JackClientCheckRequest : public JackRequest

  125. {

  126. 

  127.     char fName[JACK_CLIENT_NAME_SIZE + 1];

  128.     int fProtocol;

  129.     int fOptions;

  130. 

  131.     JackClientCheckRequest()

  132.     {}

  133.     JackClientCheckRequest(const char* name, int protocol, int options)

  134.         : JackRequest(JackRequest::kClientCheck), fProtocol(protocol), fOptions(options)

  135.     {

  136.         snprintf(fName, sizeof(fName), "%s", name);

  137.     }

  138. 

  139.     int Read(JackChannelTransaction* trans)

  140.     {

  141.         CheckRes(trans->Read(&fName, JACK_CLIENT_NAME_SIZE + 1));

  142.         CheckRes(trans->Read(&fProtocol, sizeof(int)));

  143.         return trans->Read(&fOptions, sizeof(int));

  144.     }

  145. 

  146.     int Write(JackChannelTransaction* trans)

  147.     {

  148.         CheckRes(JackRequest::Write(trans));

  149.         CheckRes(trans->Write(&fName, JACK_CLIENT_NAME_SIZE + 1));

  150.         CheckRes(trans->Write(&fProtocol, sizeof(int)));

  151.         return trans->Write(&fOptions, sizeof(int));

  152.     }

  153. };

  154. 

  155. /*!

  156. \brief CheckClient result.

  157. */

  158. 

  159. struct JackClientCheckResult : public JackResult

  160. {

  161. 

  162.     char fName[JACK_CLIENT_NAME_SIZE + 1];

  163.     int fStatus;

  164. 

  165.     JackClientCheckResult(): JackResult(), fStatus(0)

  166.     {}

  167.     JackClientCheckResult(int32_t result, const char* name, int status)

  168.             : JackResult(result), fStatus(status)

  169.     {

  170.         snprintf(fName, sizeof(fName), "%s", name);

  171.     }

  172. 

  173.     int Read(JackChannelTransaction* trans)

  174.     {

  175.         CheckRes(JackResult::Read(trans));

  176.         CheckRes(trans->Read(&fName, JACK_CLIENT_NAME_SIZE + 1));

  177.         CheckRes(trans->Read(&fStatus, sizeof(int)));

  178.         return 0;

  179.     }

  180. 

  181.     int Write(JackChannelTransaction* trans)

  182.     {

  183.         CheckRes(JackResult::Write(trans));

  184.         CheckRes(trans->Write(&fName, JACK_CLIENT_NAME_SIZE + 1));

  185.         CheckRes(trans->Write(&fStatus, sizeof(int)));

  186.         return 0;

  187.     }

  188. };

  189. 

  190. /*!

  191. \brief NewClient request.

  192. */

  193. 

  194. struct JackClientOpenRequest : public JackRequest

  195. {

  196. 

  197.     int fPID;

  198.     char fName[JACK_CLIENT_NAME_SIZE + 1];

  199. 

  200.     JackClientOpenRequest()

  201.     {}

  202.     JackClientOpenRequest(const char* name, int pid): JackRequest(JackRequest::kClientOpen)

  203.     {

  204.         snprintf(fName, sizeof(fName), "%s", name);

  205.         fPID = pid;

  206.     }

  207. 

  208.     int Read(JackChannelTransaction* trans)

  209.     {

  210.         CheckRes(trans->Read(&fPID, sizeof(int)));

  211.         return trans->Read(&fName, JACK_CLIENT_NAME_SIZE + 1);

  212.     }

  213. 

  214.     int Write(JackChannelTransaction* trans)

  215.     {

  216.         CheckRes(JackRequest::Write(trans));

  217.         CheckRes(trans->Write(&fPID, sizeof(int)));

  218.         return trans->Write(&fName, JACK_CLIENT_NAME_SIZE + 1);

  219.     }

  220. };

  221. 

  222. /*!

  223. \brief NewClient result.

  224. */

  225. 

  226. struct JackClientOpenResult : public JackResult

  227. {

  228. 

  229.     int fSharedEngine;

  230.     int fSharedClient;

  231.     int fSharedGraph;

  232.    

  233.     JackClientOpenResult()

  234.             : JackResult(), fSharedEngine(-1), fSharedClient(-1), fSharedGraph(-1)

  235.     {}

  236.     JackClientOpenResult(int32_t result, int index1, int index2, int index3)

  237.             : JackResult(result), fSharedEngine(index1), fSharedClient(index2), fSharedGraph(index3)

  238.     {}

  239. 

  240.     int Read(JackChannelTransaction* trans)

  241.     {

  242.         CheckRes(JackResult::Read(trans));

  243.         CheckRes(trans->Read(&fSharedEngine, sizeof(int)));

  244.         CheckRes(trans->Read(&fSharedClient, sizeof(int)));

  245.         CheckRes(trans->Read(&fSharedGraph, sizeof(int)));

  246.          return 0;

  247.     }

  248. 

  249.     int Write(JackChannelTransaction* trans)

  250.     {

  251.         CheckRes(JackResult::Write(trans));

  252.         CheckRes(trans->Write(&fSharedEngine, sizeof(int)));

  253.         CheckRes(trans->Write(&fSharedClient, sizeof(int)));

  254.         CheckRes(trans->Write(&fSharedGraph, sizeof(int)));

  255.         return 0;

  256.     }

  257. };

  258. 

  259. /*!

  260. \brief CloseClient request.

  261. */

  262. 

  263. struct JackClientCloseRequest : public JackRequest

  264. {

  265. 

  266.     int fRefNum;

  267. 

  268.     JackClientCloseRequest()

  269.     {}

  270.     JackClientCloseRequest(int refnum): JackRequest(JackRequest::kClientClose), fRefNum(refnum)

  271.     {}

  272. 

  273.     int Read(JackChannelTransaction* trans)

  274.     {

  275.         return trans->Read(&fRefNum, sizeof(int));

  276.     }

  277. 

  278.     int Write(JackChannelTransaction* trans)

  279.     {

  280.         CheckRes(JackRequest::Write(trans));

  281.         return trans->Write(&fRefNum, sizeof(int));

  282.     }

  283. };

  284. 

  285. /*!

  286. \brief Activate request.

  287. */

  288. 

  289. struct JackActivateRequest : public JackRequest

  290. {

  291. 

  292.     int fRefNum;

  293.     int fState;

  294. 

  295.     JackActivateRequest()

  296.     {}

  297.     JackActivateRequest(int refnum, int state)

  298.         : JackRequest(JackRequest::kActivateClient), fRefNum(refnum), fState(state)

  299.     {}

  300. 

  301.     int Read(JackChannelTransaction* trans)

  302.     {

  303.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  304.         return trans->Read(&fState, sizeof(int));

  305.     }

  306. 

  307.     int Write(JackChannelTransaction* trans)

  308.     {

  309.         CheckRes(JackRequest::Write(trans));

  310.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  311.         return trans->Write(&fState, sizeof(int));

  312.     }

  313. 

  314. };

  315. 

  316. /*!

  317. \brief Deactivate request.

  318. */

  319. 

  320. struct JackDeactivateRequest : public JackRequest

  321. {

  322. 

  323.     int fRefNum;

  324. 

  325.     JackDeactivateRequest()

  326.     {}

  327.     JackDeactivateRequest(int refnum): JackRequest(JackRequest::kDeactivateClient), fRefNum(refnum)

  328.     {}

  329. 

  330.     int Read(JackChannelTransaction* trans)

  331.     {

  332.         return trans->Read(&fRefNum, sizeof(int));

  333.     }

  334. 

  335.     int Write(JackChannelTransaction* trans)

  336.     {

  337.         CheckRes(JackRequest::Write(trans));

  338.         return trans->Write(&fRefNum, sizeof(int));

  339.     }

  340. 

  341. };

  342. 

  343. /*!

  344. \brief PortRegister request.

  345. */

  346. 

  347. struct JackPortRegisterRequest : public JackRequest

  348. {

  349. 

  350.     int fRefNum;

  351.     char fName[JACK_PORT_NAME_SIZE + 1];

  352.     char fPortType[JACK_PORT_TYPE_SIZE + 1];

  353.     unsigned int fFlags;

  354.     unsigned int fBufferSize;

  355. 

  356.     JackPortRegisterRequest()

  357.     {}

  358.     JackPortRegisterRequest(int refnum, const char* name, const char* port_type, unsigned int flags, unsigned int buffer_size)

  359.             : JackRequest(JackRequest::kRegisterPort), fRefNum(refnum), fFlags(flags), fBufferSize(buffer_size)

  360.     {

  361.         strcpy(fName, name);

  362.         strcpy(fPortType, port_type);

  363.     }

  364. 

  365.     int Read(JackChannelTransaction* trans)

  366.     {

  367.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  368.         CheckRes(trans->Read(&fName, JACK_PORT_NAME_SIZE + 1));

  369.         CheckRes(trans->Read(&fPortType, JACK_PORT_TYPE_SIZE + 1));

  370.         CheckRes(trans->Read(&fFlags, sizeof(unsigned int)));

  371.         CheckRes(trans->Read(&fBufferSize, sizeof(unsigned int)));

  372.         return 0;

  373.     }

  374. 

  375.     int Write(JackChannelTransaction* trans)

  376.     {

  377.         CheckRes(JackRequest::Write(trans));

  378.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  379.         CheckRes(trans->Write(&fName, JACK_PORT_NAME_SIZE + 1));

  380.         CheckRes(trans->Write(&fPortType, JACK_PORT_TYPE_SIZE + 1));

  381.         CheckRes(trans->Write(&fFlags, sizeof(unsigned int)));

  382.         CheckRes(trans->Write(&fBufferSize, sizeof(unsigned int)));

  383.         return 0;

  384.     }

  385. };

  386. 

  387. /*!

  388. \brief PortRegister result.

  389. */

  390. 

  391. struct JackPortRegisterResult : public JackResult

  392. {

  393. 

  394.     unsigned int fPortIndex;

  395. 

  396.     JackPortRegisterResult(): JackResult(), fPortIndex(NO_PORT)

  397.     {}

  398. 

  399.     int Read(JackChannelTransaction* trans)

  400.     {

  401.         CheckRes(JackResult::Read(trans));

  402.         return trans->Read(&fPortIndex, sizeof(jack_port_id_t));

  403.     }

  404. 

  405.     int Write(JackChannelTransaction* trans)

  406.     {

  407.         CheckRes(JackResult::Write(trans));

  408.         return trans->Write(&fPortIndex, sizeof(jack_port_id_t));

  409.     }

  410. };

  411. 

  412. /*!

  413. \brief PortUnregister request.

  414. */

  415. 

  416. struct JackPortUnRegisterRequest : public JackRequest

  417. {

  418. 

  419.     int fRefNum;

  420.     int fPortIndex;

  421. 

  422.     JackPortUnRegisterRequest()

  423.     {}

  424.     JackPortUnRegisterRequest(int refnum, int index)

  425.         : JackRequest(JackRequest::kUnRegisterPort), fRefNum(refnum), fPortIndex(index)

  426.     {}

  427. 

  428.     int Read(JackChannelTransaction* trans)

  429.     {

  430.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  431.         CheckRes(trans->Read(&fPortIndex, sizeof(int)));

  432.         return 0;

  433.     }

  434. 

  435.     int Write(JackChannelTransaction* trans)

  436.     {

  437.         CheckRes(JackRequest::Write(trans));

  438.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  439.         CheckRes(trans->Write(&fPortIndex, sizeof(int)));

  440.         return 0;

  441.     }

  442. };

  443. 

  444. /*!

  445. \brief PortConnectName request.

  446. */

  447. 

  448. struct JackPortConnectNameRequest : public JackRequest

  449. {

  450. 

  451.     int fRefNum;

  452.     char fSrc[JACK_PORT_NAME_SIZE + 1];

  453.     char fDst[JACK_PORT_NAME_SIZE + 1];

  454. 

  455.     JackPortConnectNameRequest()

  456.     {}

  457.     JackPortConnectNameRequest(int refnum, const char* src_name, const char* dst_name)

  458.         : JackRequest(JackRequest::kConnectNamePorts), fRefNum(refnum)

  459.     {

  460.         strcpy(fSrc, src_name);

  461.         strcpy(fDst, dst_name);

  462.     }

  463. 

  464.     int Read(JackChannelTransaction* trans)

  465.     {

  466.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  467.         CheckRes(trans->Read(&fSrc, JACK_PORT_NAME_SIZE + 1));

  468.         CheckRes(trans->Read(&fDst, JACK_PORT_NAME_SIZE + 1));

  469.         return 0;

  470. 

  471.     }

  472. 

  473.     int Write(JackChannelTransaction* trans)

  474.     {

  475.         CheckRes(JackRequest::Write(trans));

  476.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  477.         CheckRes(trans->Write(&fSrc, JACK_PORT_NAME_SIZE + 1));

  478.         CheckRes(trans->Write(&fDst, JACK_PORT_NAME_SIZE + 1));

  479.         return 0;

  480.     }

  481. };

  482. 

  483. /*!

  484. \brief PortDisconnectName request.

  485. */

  486. 

  487. struct JackPortDisconnectNameRequest : public JackRequest

  488. {

  489. 

  490.     int fRefNum;

  491.     char fSrc[JACK_PORT_NAME_SIZE + 1];

  492.     char fDst[JACK_PORT_NAME_SIZE + 1];

  493. 

  494.     JackPortDisconnectNameRequest()

  495.     {}

  496.     JackPortDisconnectNameRequest(int refnum, const char* src_name, const char* dst_name)

  497.         : JackRequest(JackRequest::kDisconnectNamePorts), fRefNum(refnum)

  498.     {

  499.         strcpy(fSrc, src_name);

  500.         strcpy(fDst, dst_name);

  501.     }

  502. 

  503.     int Read(JackChannelTransaction* trans)

  504.     {

  505.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  506.         CheckRes(trans->Read(&fSrc, JACK_PORT_NAME_SIZE + 1));

  507.         CheckRes(trans->Read(&fDst, JACK_PORT_NAME_SIZE + 1));

  508.         return 0;

  509.     }

  510. 

  511.     int Write(JackChannelTransaction* trans)

  512.     {

  513.         CheckRes(JackRequest::Write(trans));

  514.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  515.         CheckRes(trans->Write(&fSrc, JACK_PORT_NAME_SIZE + 1));

  516.         CheckRes(trans->Write(&fDst, JACK_PORT_NAME_SIZE + 1));

  517.         return 0;

  518.     }

  519. };

  520. 

  521. /*!

  522. \brief PortConnect request.

  523. */

  524. 

  525. struct JackPortConnectRequest : public JackRequest

  526. {

  527. 

  528.     int fRefNum;

  529.     jack_port_id_t fSrc;

  530.     jack_port_id_t fDst;

  531. 

  532.     JackPortConnectRequest()

  533.     {}

  534.     JackPortConnectRequest(int refnum, jack_port_id_t src, jack_port_id_t dst)

  535.         : JackRequest(JackRequest::kConnectPorts), fRefNum(refnum), fSrc(src), fDst(dst)

  536.     {}

  537. 

  538.     int Read(JackChannelTransaction* trans)

  539.     {

  540.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  541.         CheckRes(trans->Read(&fSrc, sizeof(jack_port_id_t)));

  542.         CheckRes(trans->Read(&fDst, sizeof(jack_port_id_t)));

  543.         return 0;

  544.     }

  545. 

  546.     int Write(JackChannelTransaction* trans)

  547.     {

  548.         CheckRes(JackRequest::Write(trans));

  549.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  550.         CheckRes(trans->Write(&fSrc, sizeof(jack_port_id_t)));

  551.         CheckRes(trans->Write(&fDst, sizeof(jack_port_id_t)));

  552.         return 0;

  553.     }

  554. };

  555. 

  556. 

  557. /*!

  558. \brief PortDisconnect request.

  559. */

  560. 

  561. struct JackPortDisconnectRequest : public JackRequest

  562. {

  563. 

  564.     int fRefNum;

  565.     jack_port_id_t fSrc;

  566.     jack_port_id_t fDst;

  567. 

  568.     JackPortDisconnectRequest()

  569.     {}

  570.     JackPortDisconnectRequest(int refnum, jack_port_id_t src, jack_port_id_t dst)

  571.         : JackRequest(JackRequest::kDisconnectPorts), fRefNum(refnum), fSrc(src), fDst(dst)

  572.     {}

  573. 

  574.     int Read(JackChannelTransaction* trans)

  575.     {

  576.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  577.         CheckRes(trans->Read(&fSrc, sizeof(jack_port_id_t)));

  578.         CheckRes(trans->Read(&fDst, sizeof(jack_port_id_t)));

  579.         return 0;

  580.     }

  581. 

  582.     int Write(JackChannelTransaction* trans)

  583.     {

  584.         CheckRes(JackRequest::Write(trans));

  585.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  586.         CheckRes(trans->Write(&fSrc, sizeof(jack_port_id_t)));

  587.         CheckRes(trans->Write(&fDst, sizeof(jack_port_id_t)));

  588.         return 0;

  589. 

  590.     }

  591. };

  592. 

  593. /*!

  594. \brief SetBufferSize request.

  595. */

  596. 

  597. struct JackSetBufferSizeRequest : public JackRequest

  598. {

  599. 

  600.     jack_nframes_t fBufferSize;

  601. 

  602.     JackSetBufferSizeRequest()

  603.     {}

  604.     JackSetBufferSizeRequest(jack_nframes_t buffer_size)

  605.         : JackRequest(JackRequest::kSetBufferSize), fBufferSize(buffer_size)

  606.     {}

  607. 

  608.     int Read(JackChannelTransaction* trans)

  609.     {

  610.         return trans->Read(&fBufferSize, sizeof(jack_nframes_t));

  611.     }

  612. 

  613.     int Write(JackChannelTransaction* trans)

  614.     {

  615.         CheckRes(JackRequest::Write(trans));

  616.         return trans->Write(&fBufferSize, sizeof(jack_nframes_t));

  617.     }

  618. };

  619. 

  620. /*!

  621. \brief SetFreeWheel request.

  622. */

  623. 

  624. struct JackSetFreeWheelRequest : public JackRequest

  625. {

  626. 

  627.     int fOnOff;

  628. 

  629.     JackSetFreeWheelRequest()

  630.     {}

  631.     JackSetFreeWheelRequest(int onoff)

  632.         : JackRequest(JackRequest::kSetFreeWheel), fOnOff(onoff)

  633.     {}

  634. 

  635.     int Read(JackChannelTransaction* trans)

  636.     {

  637.         return trans->Read(&fOnOff, sizeof(int));

  638.     }

  639. 

  640.     int Write(JackChannelTransaction* trans)

  641.     {

  642.         CheckRes(JackRequest::Write(trans));

  643.         return trans->Write(&fOnOff, sizeof(int));

  644.     }

  645. };

  646. 

  647. /*!

  648. \brief ReleaseTimebase request.

  649. */

  650. 

  651. struct JackReleaseTimebaseRequest : public JackRequest

  652. {

  653. 

  654.     int fRefNum;

  655. 

  656.     JackReleaseTimebaseRequest()

  657.     {}

  658.     JackReleaseTimebaseRequest(int refnum)

  659.         : JackRequest(JackRequest::kReleaseTimebase), fRefNum(refnum)

  660.     {}

  661. 

  662.     int Read(JackChannelTransaction* trans)

  663.     {

  664.         return trans->Read(&fRefNum, sizeof(int));

  665.     }

  666. 

  667.     int Write(JackChannelTransaction* trans)

  668.     {

  669.         CheckRes(JackRequest::Write(trans));

  670.         return trans->Write(&fRefNum, sizeof(int));

  671.     }

  672. };

  673. 

  674. /*!

  675. \brief SetTimebaseCallback request.

  676. */

  677. 

  678. struct JackSetTimebaseCallbackRequest : public JackRequest

  679. {

  680. 

  681.     int fRefNum;

  682.     int fConditionnal;

  683. 

  684.     JackSetTimebaseCallbackRequest()

  685.     {}

  686.     JackSetTimebaseCallbackRequest(int refnum, int conditional)

  687.         : JackRequest(JackRequest::kSetTimebaseCallback), fRefNum(refnum), fConditionnal(conditional)

  688.     {}

  689. 

  690.     int Read(JackChannelTransaction* trans)

  691.     {

  692.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  693.         return trans->Read(&fConditionnal, sizeof(int));

  694.     }

  695. 

  696.     int Write(JackChannelTransaction* trans)

  697.     {

  698.         CheckRes(JackRequest::Write(trans));

  699.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  700.         return trans->Write(&fConditionnal, sizeof(int));

  701.     }

  702. };

  703. 

  704. /*!

  705. \brief GetInternalClientName request.

  706. */

  707. 

  708. struct JackGetInternalClientNameRequest : public JackRequest

  709. {

  710. 

  711.     int fRefNum;

  712.     int fIntRefNum;

  713. 

  714.     JackGetInternalClientNameRequest()

  715.     {}

  716.     JackGetInternalClientNameRequest(int refnum, int int_ref)

  717.             : JackRequest(JackRequest::kGetInternalClientName), fRefNum(refnum), fIntRefNum(int_ref)

  718.     {}

  719. 

  720.     int Read(JackChannelTransaction* trans)

  721.     {

  722.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  723.         return trans->Read(&fIntRefNum, sizeof(int));

  724.     }

  725. 

  726.     int Write(JackChannelTransaction* trans)

  727.     {

  728.         CheckRes(JackRequest::Write(trans));

  729.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  730.         return trans->Write(&fIntRefNum, sizeof(int));

  731.     }

  732. };

  733. 

  734. /*!

  735. \brief GetInternalClient result.

  736. */

  737. 

  738. struct JackGetInternalClientNameResult : public JackResult

  739. {

  740. 

  741.     char fName[JACK_CLIENT_NAME_SIZE + 1];

  742. 

  743.     JackGetInternalClientNameResult(): JackResult()

  744.     {}

  745.     JackGetInternalClientNameResult(int32_t result, const char* name)

  746.             : JackResult(result)

  747.     {

  748.         snprintf(fName, sizeof(fName), "%s", name);

  749.     }

  750. 

  751.     int Read(JackChannelTransaction* trans)

  752.     {

  753.         CheckRes(JackResult::Read(trans));

  754.         CheckRes(trans->Read(&fName, JACK_CLIENT_NAME_SIZE + 1));

  755.         return 0;

  756.     }

  757. 

  758.     int Write(JackChannelTransaction* trans)

  759.     {

  760.         CheckRes(JackResult::Write(trans));

  761.         CheckRes(trans->Write(&fName, JACK_CLIENT_NAME_SIZE + 1));

  762.         return 0;

  763.     }

  764. };

  765. 

  766. /*!

  767. \brief InternalClientHandle request.

  768. */

  769. 

  770. struct JackInternalClientHandleRequest : public JackRequest

  771. {

  772. 

  773.     int fRefNum;

  774.     char fName[JACK_CLIENT_NAME_SIZE + 1];

  775. 

  776.     JackInternalClientHandleRequest()

  777.     {}

  778.     JackInternalClientHandleRequest(int refnum, const char* client_name)

  779.             : JackRequest(JackRequest::kInternalClientHandle), fRefNum(refnum)

  780.     {

  781.         snprintf(fName, sizeof(fName), "%s", client_name);

  782.     }

  783. 

  784.     int Read(JackChannelTransaction* trans)

  785.     {

  786.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  787.         return trans->Read(&fName, JACK_CLIENT_NAME_SIZE + 1);

  788.     }

  789. 

  790.     int Write(JackChannelTransaction* trans)

  791.     {

  792.         CheckRes(JackRequest::Write(trans));

  793.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  794.         return trans->Write(&fName, JACK_CLIENT_NAME_SIZE + 1);

  795.     }

  796. };

  797. 

  798. /*!

  799. \brief InternalClientHandle result.

  800. */

  801. 

  802. struct JackInternalClientHandleResult : public JackResult

  803. {

  804. 

  805.     int fStatus;

  806.     int fIntRefNum;

  807. 

  808.     JackInternalClientHandleResult(): JackResult()

  809.     {}

  810.     JackInternalClientHandleResult(int32_t result, int status, int int_ref)

  811.             : JackResult(result), fStatus(status), fIntRefNum(int_ref)

  812.     {}

  813. 

  814.     int Read(JackChannelTransaction* trans)

  815.     {

  816.         CheckRes(JackResult::Read(trans));

  817.         CheckRes(trans->Read(&fStatus, sizeof(int)));

  818.         CheckRes(trans->Read(&fIntRefNum, sizeof(int)));

  819.         return 0;

  820.     }

  821. 

  822.     int Write(JackChannelTransaction* trans)

  823.     {

  824.         CheckRes(JackResult::Write(trans));

  825.         CheckRes(trans->Write(&fStatus, sizeof(int)));

  826.         CheckRes(trans->Write(&fIntRefNum, sizeof(int)));

  827.         return 0;

  828.     }

  829. };

  830. 

  831. /*!

  832. \brief InternalClientLoad request.

  833. */

  834. 

  835. struct JackInternalClientLoadRequest : public JackRequest

  836. {

  837. 

  838. #ifndef MAX_PATH

  839. #define MAX_PATH 256

  840. #endif

  841. 

  842.     int fRefNum;

  843.     char fName[JACK_CLIENT_NAME_SIZE + 1];

  844.     char fDllName[MAX_PATH + 1];

  845.     char fLoadInitName[JACK_LOAD_INIT_LIMIT + 1];

  846.     int fOptions;

  847. 

  848.     JackInternalClientLoadRequest()

  849.     {}

  850.     JackInternalClientLoadRequest(int refnum, const char* client_name, const char* so_name, const char* objet_data, int options)

  851.             : JackRequest(JackRequest::kInternalClientLoad), fRefNum(refnum), fOptions(options)

  852.     {

  853.         snprintf(fName, sizeof(fName), "%s", client_name);

  854.         snprintf(fDllName, sizeof(fDllName), "%s", so_name);

  855.         snprintf(fLoadInitName, sizeof(fLoadInitName), "%s", objet_data);

  856.     }

  857. 

  858.     int Read(JackChannelTransaction* trans)

  859.     {

  860.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  861.         CheckRes(trans->Read(&fName, JACK_CLIENT_NAME_SIZE + 1));

  862.         CheckRes(trans->Read(&fDllName, MAX_PATH + 1));

  863.         CheckRes(trans->Read(&fLoadInitName, JACK_LOAD_INIT_LIMIT + 1));

  864.         return trans->Read(&fOptions, sizeof(int));

  865.     }

  866. 

  867.     int Write(JackChannelTransaction* trans)

  868.     {

  869.         CheckRes(JackRequest::Write(trans));

  870.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  871.         CheckRes(trans->Write(&fName, JACK_CLIENT_NAME_SIZE + 1));

  872.         CheckRes(trans->Write(&fDllName, MAX_PATH + 1));

  873.         CheckRes(trans->Write(&fLoadInitName, JACK_LOAD_INIT_LIMIT + 1));

  874.         return trans->Write(&fOptions, sizeof(int));

  875.     }

  876. };

  877. 

  878. /*!

  879. \brief InternalClientLoad result.

  880. */

  881. 

  882. struct JackInternalClientLoadResult : public JackResult

  883. {

  884. 

  885.     int fStatus;

  886.     int fIntRefNum;

  887. 

  888.     JackInternalClientLoadResult(): JackResult()

  889.     {}

  890.     JackInternalClientLoadResult(int32_t result, int status, int int_ref)

  891.             : JackResult(result), fStatus(status), fIntRefNum(int_ref)

  892.     {}

  893. 

  894.     int Read(JackChannelTransaction* trans)

  895.     {

  896.         CheckRes(JackResult::Read(trans));

  897.         CheckRes(trans->Read(&fStatus, sizeof(int)));

  898.         CheckRes(trans->Read(&fIntRefNum, sizeof(int)));

  899.         return 0;

  900.     }

  901. 

  902.     int Write(JackChannelTransaction* trans)

  903.     {

  904.         CheckRes(JackResult::Write(trans));

  905.         CheckRes(trans->Write(&fStatus, sizeof(int)));

  906.         CheckRes(trans->Write(&fIntRefNum, sizeof(int)));

  907.         return 0;

  908.     }

  909. };

  910. 

  911. /*!

  912. \brief InternalClientUnload request.

  913. */

  914. 

  915. struct JackInternalClientUnloadRequest : public JackRequest

  916. {

  917. 

  918.     int fRefNum;

  919.     int fIntRefNum;

  920. 

  921.     JackInternalClientUnloadRequest()

  922.     {}

  923.     JackInternalClientUnloadRequest(int refnum, int int_ref)

  924.             : JackRequest(JackRequest::kInternalClientUnload), fRefNum(refnum), fIntRefNum(int_ref)

  925.     {}

  926. 

  927.     int Read(JackChannelTransaction* trans)

  928.     {

  929.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  930.         return trans->Read(&fIntRefNum, sizeof(int));

  931.     }

  932. 

  933.     int Write(JackChannelTransaction* trans)

  934.     {

  935.         CheckRes(JackRequest::Write(trans));

  936.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  937.         return trans->Write(&fIntRefNum, sizeof(int));

  938.     }

  939. };

  940. 

  941. 

  942. /*!

  943. \brief InternalClientLoad result.

  944. */

  945. 

  946. struct JackInternalClientUnloadResult : public JackResult

  947. {

  948. 

  949.     int fStatus;

  950. 

  951.     JackInternalClientUnloadResult(): JackResult()

  952.     {}

  953.     JackInternalClientUnloadResult(int32_t result, int status)

  954.             : JackResult(result), fStatus(status)

  955.     {}

  956. 

  957.     int Read(JackChannelTransaction* trans)

  958.     {

  959.         CheckRes(JackResult::Read(trans));

  960.         CheckRes(trans->Read(&fStatus, sizeof(int)));

  961.         return 0;

  962.     }

  963. 

  964.     int Write(JackChannelTransaction* trans)

  965.     {

  966.         CheckRes(JackResult::Write(trans));

  967.         CheckRes(trans->Write(&fStatus, sizeof(int)));

  968.         return 0;

  969.     }

  970. };

  971. 

  972. /*!

  973. \brief ClientNotification request.

  974. */

  975. 

  976. struct JackClientNotificationRequest : public JackRequest

  977. {

  978. 

  979.     int fRefNum;

  980.     int fNotify;

  981.     int fValue;

  982. 

  983.     JackClientNotificationRequest()

  984.     {}

  985.     JackClientNotificationRequest(int refnum, int notify, int value)

  986.             : JackRequest(JackRequest::kNotification), fRefNum(refnum), fNotify(notify), fValue(value)

  987.     {}

  988. 

  989.     int Read(JackChannelTransaction* trans)

  990.     {

  991.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  992.         CheckRes(trans->Read(&fNotify, sizeof(int)));

  993.         CheckRes(trans->Read(&fValue, sizeof(int)));

  994.         return 0;

  995.     }

  996. 

  997.     int Write(JackChannelTransaction* trans)

  998.     {

  999.         CheckRes(JackRequest::Write(trans));

  1000.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  1001.         CheckRes(trans->Write(&fNotify, sizeof(int)));

  1002.         CheckRes(trans->Write(&fValue, sizeof(int)));

  1003.         return 0;

  1004.     }

  1005. 

  1006. };

  1007. 

  1008. /*!

  1009. \brief ClientNotification.

  1010. */

  1011. 

  1012. struct JackClientNotification

  1013. {

  1014.     char fName[JACK_CLIENT_NAME_SIZE + 1];

  1015.     int fRefNum;

  1016.     int fNotify;

  1017.     int fValue1;

  1018.     int fValue2;

  1019.     int fSync;

  1020. 

  1021.     JackClientNotification(): fNotify(-1), fValue1(-1), fValue2(-1)

  1022.     {}

  1023.     JackClientNotification(const char* name, int refnum, int notify, int sync, int value1, int value2)

  1024.             : fRefNum(refnum), fNotify(notify), fValue1(value1), fValue2(value2), fSync(sync)

  1025.     {

  1026.         snprintf(fName, sizeof(fName), "%s", name);

  1027.     }

  1028. 

  1029.     int Read(JackChannelTransaction* trans)

  1030.     {

  1031.         CheckRes(trans->Read(&fName, JACK_CLIENT_NAME_SIZE + 1));

  1032.         CheckRes(trans->Read(&fRefNum, sizeof(int)));

  1033.         CheckRes(trans->Read(&fNotify, sizeof(int)));

  1034.         CheckRes(trans->Read(&fValue1, sizeof(int)));

  1035.         CheckRes(trans->Read(&fValue2, sizeof(int)));

  1036.         CheckRes(trans->Read(&fSync, sizeof(int)));

  1037.         return 0;

  1038.     }

  1039. 

  1040.     int Write(JackChannelTransaction* trans)

  1041.     {

  1042.         CheckRes(trans->Write(&fName, JACK_CLIENT_NAME_SIZE + 1));

  1043.         CheckRes(trans->Write(&fRefNum, sizeof(int)));

  1044.         CheckRes(trans->Write(&fNotify, sizeof(int)));

  1045.         CheckRes(trans->Write(&fValue1, sizeof(int)));

  1046.         CheckRes(trans->Write(&fValue2, sizeof(int)));

  1047.         CheckRes(trans->Write(&fSync, sizeof(int)));

  1048.         return 0;

  1049.     }

  1050. 

  1051. };

  1052. 

  1053. } // end of namespace

  1054. 

  1055. #endif