Mercurial > hg > freeDiameter
comparison freeDiameter/p_out.c @ 33:e6fcdf12b9a0
Added a lot of TODOs :)
| author | Sebastien Decugis <sdecugis@nict.go.jp> |
|---|---|
| date | Thu, 29 Oct 2009 18:05:45 +0900 |
| parents | |
| children | 0e2b57789361 |
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| 32:a5b507479a09 | 33:e6fcdf12b9a0 |
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| 1 /********************************************************************************************************* | |
| 2 * Software License Agreement (BSD License) * | |
| 3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> * | |
| 4 * * | |
| 5 * Copyright (c) 2009, WIDE Project and NICT * | |
| 6 * All rights reserved. * | |
| 7 * * | |
| 8 * Redistribution and use of this software in source and binary forms, with or without modification, are * | |
| 9 * permitted provided that the following conditions are met: * | |
| 10 * * | |
| 11 * * Redistributions of source code must retain the above * | |
| 12 * copyright notice, this list of conditions and the * | |
| 13 * following disclaimer. * | |
| 14 * * | |
| 15 * * Redistributions in binary form must reproduce the above * | |
| 16 * copyright notice, this list of conditions and the * | |
| 17 * following disclaimer in the documentation and/or other * | |
| 18 * materials provided with the distribution. * | |
| 19 * * | |
| 20 * * Neither the name of the WIDE Project or NICT nor the * | |
| 21 * names of its contributors may be used to endorse or * | |
| 22 * promote products derived from this software without * | |
| 23 * specific prior written permission of WIDE Project and * | |
| 24 * NICT. * | |
| 25 * * | |
| 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * | |
| 27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * | |
| 28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * | |
| 29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * | |
| 30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * | |
| 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * | |
| 32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * | |
| 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * | |
| 34 *********************************************************************************************************/ | |
| 35 | |
| 36 #include "fD.h" | |
| 37 | |
| 38 /* Alloc a new hbh for requests, bufferize the message and send on the connection, save in sentreq if provided */ | |
| 39 static int do_send(struct msg ** msg, struct cnxctx * cnx, uint32_t * hbh, struct fd_list * sentreq) | |
| 40 { | |
| 41 TRACE_ENTRY("%p %p %p %p", msg, cnx, hbh, sentreq); | |
| 42 | |
| 43 TODO("If message is a request"); | |
| 44 TODO("Alloc new *hbh"); | |
| 45 | |
| 46 TODO("Bufferize the message, send it"); | |
| 47 | |
| 48 TODO("Save in sentreq or free") | |
| 49 | |
| 50 return ENOTSUP; | |
| 51 } | |
| 52 | |
| 53 /* The code of the "out" thread */ | |
| 54 static void * out_thr(void * arg) | |
| 55 { | |
| 56 TODO("Pick next message in peer->p_tosend"); | |
| 57 TODO("do_send, log errors"); | |
| 58 TODO("In case of cancellation, requeue the message"); | |
| 59 return NULL; | |
| 60 error: | |
| 61 TODO(" Send an event to the peer "); | |
| 62 return NULL; | |
| 63 } | |
| 64 | |
| 65 /* Wrapper to sending a message either by out thread (peer in OPEN state) or directly; cnx or peer must be provided */ | |
| 66 int fd_out_send(struct msg ** msg, struct cnxctx * cnx, struct fd_peer * peer) | |
| 67 { | |
| 68 TRACE_ENTRY("%p %p %p", msg, cnx, peer); | |
| 69 CHECK_PARAMS( msg && *msg && (cnx || (peer && peer->p_cnxctx))); | |
| 70 | |
| 71 if (peer && (peer->p_hdr.info.pi_state == STATE_OPEN)) { | |
| 72 /* Normal case: just queue for the out thread to pick it up */ | |
| 73 CHECK_FCT( fd_fifo_post(peer->p_tosend, msg) ); | |
| 74 | |
| 75 } else { | |
| 76 uint32_t *hbh = NULL; | |
| 77 | |
| 78 /* In other cases, the thread is not running, so we handle the sending directly */ | |
| 79 if (peer) | |
| 80 hbh = &peer->p_hbh; | |
| 81 | |
| 82 if (!cnx) | |
| 83 cnx = peer->p_cnxctx; | |
| 84 | |
| 85 /* Do send the message */ | |
| 86 CHECK_FCT( do_send(msg, cnx, hbh, peer ? &peer->p_sentreq : NULL) ); | |
| 87 } | |
| 88 | |
| 89 return 0; | |
| 90 } | |
| 91 | |
| 92 /* Start the "out" thread that picks messages in p_tosend and send them on p_cnxctx */ | |
| 93 int fd_out_start(struct fd_peer * peer) | |
| 94 { | |
| 95 TRACE_ENTRY("%p", peer); | |
| 96 CHECK_PARAMS( CHECK_PEER(peer) && (peer->p_outthr == (pthread_t)NULL) ); | |
| 97 | |
| 98 CHECK_POSIX( pthread_create(&peer->p_outthr, NULL, out_thr, peer) ); | |
| 99 | |
| 100 return 0; | |
| 101 } | |
| 102 | |
| 103 /* Stop that thread */ | |
| 104 int fd_out_stop(struct fd_peer * peer) | |
| 105 { | |
| 106 TRACE_ENTRY("%p", peer); | |
| 107 CHECK_PARAMS( CHECK_PEER(peer) ); | |
| 108 | |
| 109 CHECK_FCT( fd_thr_term(&peer->p_outthr) ); | |
| 110 | |
| 111 return 0; | |
| 112 } | |
| 113 |