2 alsajson-gw -- provide a REST/HTTP interface to ALSA-Mixer
4 Copyright (C) 2015, Fulup Ar Foll
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #include <sys/ioctl.h>
32 #include <sys/signal.h>
33 #include <sys/types.h>
36 #include <microhttpd.h>
39 #define AJQ_VERSION "0.1"
41 /* other definitions --------------------------------------------------- */
43 // Note: because of a bug in libmagic MAGIC_DB NULL should not be used for default
44 #define MAGIC_DB "/usr/share/misc/magic.mgc"
45 #define OPA_INDEX "index.html"
59 // prebuild json error are constructed in config.c
60 typedef enum { AFB_FALSE, AFB_TRUE, AFB_FATAL, AFB_FAIL, AFB_WARNING, AFB_EMPTY, AFB_SUCCESS} AFB_error;
62 extern char *ERROR_LABEL[];
63 #define ERROR_LABEL_DEF {"false", "true","fatal", "fail", "warning", "empty", "success"}
65 #define BANNER "<html><head><title>Application Framework Binder</title></head><body>Application Framework </body></html>"
66 #define JSON_CONTENT "application/json"
67 #define MAX_POST_SIZE 4096 // maximum size for POST data
69 // use to check anonymous data when using dynamic loadable lib
70 typedef enum {AFB_PLUGIN=1234, AFB_REQUEST=5678} AFB_type;
72 // Error code are requested through function to manage json usage count
92 // some usefull static object initialized when entering listen loop.
94 // MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "value");
100 struct MHD_Connection *connection;
108 // main config structure
110 char *logname; // logfile path for info & error log
111 char *console; // console device name (can be a file or a tty)
114 char *smack; // smack label
115 char *plugins; // list of requested plugins
116 char *rootdir; // base dir for httpd file download
117 char *rootbase; // Angular HTML5 base URL
118 char *rootapi; // Base URL for REST APIs
119 char *pidfile; // where to store pid when running background
120 char *sessiondir; // where to store mixer session files
121 char *configfile; // where to store configuration on gateway exit
127 // Command line structure hold cli --command + help text
129 int val; // command number within application
130 int has_arg; // command number within application
131 char *name; // command as used in --xxxx cli
132 char *help; // help text
135 typedef json_object* (*AFB_apiCB)();
156 AFB_config *config; // pointer to current config
157 // List of commands to execute
159 int background; // run in backround mode
160 int foreground; // run in forground mode
161 int checkAlsa; // Display active Alsa Board
162 int configsave; // Save config on disk on start
163 char *cacheTimeout; // http require timeout to be a string
164 void *httpd; // anonymous structure for httpd handler
165 int fakemod; // respond to GET/POST request without interacting with sndboard
166 int forceexit; // when autoconfig from script force exit before starting server
167 AFB_plugin **plugins; // pointer to REST/API plugins
168 magic_t magic; // Mime type file magic lib
172 #include "proto-def.h"