1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*-------------------------------------------------------------------------
* C-Pluff, a plug-in framework for C
* Copyright 2007 Johannes Lehtinen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*-----------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <cpluff.h>
#include "callbackcounter.h"
struct runtime_data {
cp_context_t *ctx;
cbc_counters_t *counters;
};
static void *create(cp_context_t *ctx) {
struct runtime_data *data;
if ((data = malloc(sizeof(struct runtime_data))) == NULL) {
return NULL;
}
data->ctx = ctx;
/*
* Normally data->counters would be initialized in start function.
* We do it already here to be able to record count for the create
* function.
*/
if ((data->counters = malloc(sizeof(cbc_counters_t))) == NULL) {
free(data);
return NULL;
}
memset(data->counters, 0, sizeof(cbc_counters_t));
data->counters->context_arg_0 = NULL;
data->counters->create++;
return data;
}
static void logger(cp_log_severity_t severity, const char *msg, const char *apid, void *user_data) {
struct runtime_data *data = user_data;
data->counters->logger++;
}
static void listener(const char *plugin_id, cp_plugin_state_t old_state, cp_plugin_state_t new_state, void *user_data) {
struct runtime_data *data = user_data;
data->counters->listener++;
}
static int run(void *d) {
struct runtime_data *data = d;
data->counters->run++;
return (data->counters->run < 3);
}
static int start(void *d) {
struct runtime_data *data = d;
char **argv;
data->counters->start++;
argv = cp_get_context_args(data->ctx, NULL);
if (argv != NULL && argv[0] != NULL) {
if ((data->counters->context_arg_0 = strdup(argv[0])) == NULL) {
return CP_ERR_RESOURCE;
}
}
if (cp_define_symbol(data->ctx, "cbc_counters", data->counters) != CP_OK
|| cp_register_logger(data->ctx, logger, data, CP_LOG_WARNING) != CP_OK
|| cp_register_plistener(data->ctx, listener, data) != CP_OK
|| cp_run_function(data->ctx, run) != CP_OK) {
return CP_ERR_RUNTIME;
} else {
return CP_OK;
}
}
static void stop(void *d) {
struct runtime_data *data = d;
data->counters->stop++;
/*
* Normally data->counters would be freed here. However, we do not free
* it so that the test program can read counters after plug-in stops.
*/
}
static void destroy(void *d) {
struct runtime_data *data = d;
data->counters->destroy++;
data->counters = NULL;
free(data);
}
CP_EXPORT cp_plugin_runtime_t cbc_runtime = {
create,
start,
stop,
destroy
};
|