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annotate freeDiameter/p_out.c @ 33:e6fcdf12b9a0

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