1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Gearmand client and server library.
4 *
5 * Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
6 * Copyright (C) 2008 Brian Aker, Eric Day
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are
11 * met:
12 *
13 * * Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * * Redistributions in binary form must reproduce the above
17 * copyright notice, this list of conditions and the following disclaimer
18 * in the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * * The names of its contributors may not be used to endorse or
22 * promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 */
38
39 /**
40 * @file
41 * @brief Server client definitions
42 */
43
44 #include "gear_config.h"
45 #include "libgearman-server/common.h"
46
47 #include <cassert>
48 #include <memory>
49
50 /*
51 * Public definitions
52 */
53
54 gearman_server_client_st *
gearman_server_client_add(gearman_server_con_st * con)55 gearman_server_client_add(gearman_server_con_st *con)
56 {
57 gearman_server_client_st *client;
58
59 if (Server->free_client_count > 0)
60 {
61 client= Server->free_client_list;
62 GEARMAN_LIST_DEL(Server->free_client, client, con_);
63 }
64 else
65 {
66 client= new (std::nothrow) gearman_server_client_st;
67 if (client == NULL)
68 {
69 gearmand_merror("new", gearman_server_client_st, 0);
70 return NULL;
71 }
72 }
73 assert(client);
74
75 if (client == NULL)
76 {
77 gearmand_error("In gearman_server_client_add() we failed to either allocorate of find a free one");
78 return NULL;
79 }
80
81 client->init(con);
82
83 GEARMAN_LIST_ADD(con->client, client, con_);
84
85 return client;
86 }
87
gearman_server_client_free(gearman_server_client_st * client)88 void gearman_server_client_free(gearman_server_client_st *client)
89 {
90 if (client)
91 {
92 GEARMAN_LIST_DEL(client->con->client, client, con_);
93
94 if (client->job)
95 {
96 GEARMAN_LIST_DEL(client->job->client, client, job_);
97
98 /* If this was a foreground job and is now abandoned, mark to not run. */
99 if (client->job->client_list == NULL)
100 {
101 client->job->ignore_job= true;
102 client->job->job_queued= false;
103 }
104 }
105
106 if (Server->free_client_count < GEARMAN_MAX_FREE_SERVER_CLIENT)
107 {
108 GEARMAN_LIST_ADD(Server->free_client, client, con_)
109 }
110 else
111 {
112 gearmand_debug("delete gearman_server_client_st");
113 delete client;
114 }
115 }
116 }
117