summaryrefslogtreecommitdiffstats
path: root/mixer-binding/mixer-binding.c
blob: e8beb8bc7e73c368cf6d41eb1697cef2c53bbadb (plain)
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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/*
 * Copyright (C) 2016 "IoT.bzh"
 * Author Fulup Ar Foll <fulup@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <time.h>

#include "mixer-binding.h"


// default api to print log when apihandle not avaliable
PUBLIC afb_dynapi *AFB_default;

// Config Section definition (note: controls section index should match handle retrieval in HalConfigExec)
static CtlSectionT ctrlSections[]= {
    {.key="resources" , .loadCB= PluginConfig},
    {.key="onload"  , .loadCB= OnloadConfig},
    // {.key="controls", .loadCB= ControlConfig},

    {.key=NULL}
};

STATIC void ctrlapi_ping (AFB_ReqT request) {
    static int count=0;

    count++;
    AFB_ReqNotice (request, "Controller:ping count=%d", count);
    AFB_ReqSucess(request,json_object_new_int(count), NULL);

    return;
}

// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
STATIC AFB_ApiVerbs CtrlApiVerbs[] = {
    /* VERB'S NAME         FUNCTION TO CALL         SHORT DESCRIPTION */
    { .verb = "ping",     .callback = ctrlapi_ping     , .info = "ping test for API"},
    { .verb = NULL} /* marker for end of the array */
};

STATIC int CtrlLoadStaticVerbs (afb_dynapi *apiHandle, AFB_ApiVerbs *verbs) {
    int errcount=0;

    for (int idx=0; verbs[idx].verb; idx++) {
        errcount+= afb_dynapi_add_verb(apiHandle, CtrlApiVerbs[idx].verb, CtrlApiVerbs[idx].info, CtrlApiVerbs[idx].callback, (void*)&CtrlApiVerbs[idx], CtrlApiVerbs[idx].auth, 0);
    }

    return errcount;
};


//STATIC int CtrlInitOneApi (AFB_ApiT apiHandle) {
//
//    AFB_default = apiHandle; // hugely hack to make all V2 AFB_DEBUG to work in fileutils
//
//    // retrieve section config from api handle
//    CtlConfigT *ctrlConfig = (CtlConfigT*) afb_dynapi_get_userdata(apiHandle);
// 
//    return 0;
//}

// next generation dynamic API-V3 mode
#include <signal.h>


STATIC int CtrlLoadOneApi (void *cbdata, AFB_ApiT apiHandle) {
    CtlConfigT *ctrlConfig = (CtlConfigT*) cbdata;

    // save closure as api's data context
    afb_dynapi_set_userdata(apiHandle, ctrlConfig);
    
    // add static controls verbs
    int error = CtrlLoadStaticVerbs (apiHandle, CtrlApiVerbs);
    if (error) {
        AFB_ApiError(apiHandle, "CtrlLoadSection fail to Registry static V2 verbs");
        goto OnErrorExit;
    }

    // load section for corresponding API
    error= CtlLoadSections(apiHandle, ctrlConfig, ctrlSections);

    // declare an event event manager for this API;
    afb_dynapi_on_event(apiHandle, CtrlDispatchApiEvent);

    // init API function (does not receive user closure ???
    //afb_dynapi_on_init(apiHandle, CtrlInitOneApi);
    
    //error = CtlConfigExec (apiHandle, ctrlConfig);

    // should not seal API as each mixer+stream create a new verb
    // afb_dynapi_seal(apiHandle);
    return error;

OnErrorExit:
    return 1;
}


PUBLIC int afbBindingVdyn(afb_dynapi *apiHandle) {

    AFB_default = apiHandle;
    AFB_ApiNotice (apiHandle, "Controller in afbBindingVdyn");

    const char *dirList= getenv("CONTROL_CONFIG_PATH");
    if (!dirList) dirList=CONTROL_CONFIG_PATH;

    const char *configPath = CtlConfigSearch(apiHandle, dirList, "smixer");
    if (!configPath) {
        AFB_ApiError(apiHandle, "CtlPreInit: No smixer-%s-* config found in %s ", GetBinderName(), dirList);
        goto OnErrorExit;
    }

    // load config file and create API
    CtlConfigT *ctrlConfig = CtlLoadMetaData (apiHandle, configPath);
    if (!ctrlConfig) {
        AFB_ApiError(apiHandle, "CtrlBindingDyn No valid control config file in:\n-- %s", configPath);
        goto OnErrorExit;
    }
    

    if (!ctrlConfig->api) {
        AFB_ApiError(apiHandle, "CtrlBindingDyn API Missing from metadata in:\n-- %s", configPath);
        goto OnErrorExit;
    }
    
    AFB_ApiNotice (apiHandle, "Controller API='%s' info='%s'", ctrlConfig->api, ctrlConfig->info);
    // create one API per config file (Pre-V3 return code ToBeChanged)
    int status = afb_dynapi_new_api(apiHandle, ctrlConfig->api, ctrlConfig->info, 1, CtrlLoadOneApi, ctrlConfig);

    if (!status) 
        status = CtlConfigExec (apiHandle, ctrlConfig);
    
    return status;

OnErrorExit:
    return -1;
}