2 local-def.h -- provide a REST/HTTP interface
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.
35 #include <sys/ioctl.h>
36 #include <sys/signal.h>
37 #include <sys/types.h>
40 #include <microhttpd.h>
44 #include <uuid/uuid.h>
48 /* other definitions --------------------------------------------------- */
50 // Note: because of a bug in libmagic MAGIC_DB NULL should not be used for default
51 #define OPA_INDEX "index.html"
52 #define MAX_ALIAS 10 // max number of aliases
53 #define COOKIE_NAME "afb-session"
56 #define DEFLT_CNTX_TIMEOUT 3600 // default Client Connection Timeout
57 #define DEFLT_API_TIMEOUT 0 // default Plugin API Timeout [0=NoLimit for Debug Only]
58 #define DEFLT_API_TIMEOUT 0 // default Plugin API Timeout
59 #define DEFLT_CACHE_TIMEOUT 100000 // default Static File Chache [Client Side Cache 100000~=1day]
60 #define DEFLT_AUTH_TOKEN NULL // expect for debug should == NULL
61 #define DEFLT_HTTP_TIMEOUT 15 // Max MibMicroHttp timeout
62 #define AFB_MAX_PLUGINS 20 // Max number of plugins for a given binder
76 #define AUDIO_BUFFER "/tmp/buf"
78 extern int verbose; // this is the only global variable
81 typedef enum {AFB_PLUGIN_JSON=123456789, AFB_PLUGIN_JSCRIPT=987654321, AFB_PLUGIN_RAW=987123546} AFB_pluginE;
83 // prebuild json error are constructed in config.c
84 typedef enum { AFB_FALSE, AFB_TRUE, AFB_FATAL, AFB_FAIL, AFB_WARNING, AFB_EMPTY, AFB_SUCCESS, AFB_DONE, AFB_UNAUTH} AFB_error;
86 extern char *ERROR_LABEL[];
87 #define ERROR_LABEL_DEF {"false", "true", "fatal", "fail", "warning", "empty", "success"}
89 #define BANNER "<html><head><title>Application Framework Binder</title></head><body>Application Framework </body></html>"
90 #define JSON_CONTENT "application/json"
91 #define FORM_CONTENT "multipart/form-data"
92 #define MAX_POST_SIZE 4096 // maximum size for POST data
93 #define CTX_NBCLIENTS 10 // allow a default of 10 authenticated clients
96 typedef json_object* (*AFB_apiCB)();
97 typedef void (*AFB_freeCtxCB)(void*, void*, char*);
99 // Error code are requested through function to manage json usage count
106 typedef enum {AFB_POST_NONE=0, AFB_POST_JSON, AFB_POST_FORM, AFB_POST_EMPTY} AFB_PostType;
107 typedef enum {AFB_MODE_LOCAL=0, AFB_MODE_REMOTE, AFB_MODE_GLOBAL} AFB_Mode;
109 // Post Upload File Handle
118 int len; // post element size
119 char *data; // post data in raw format
120 AFB_PostType type; // Json type
125 void* ctx; // Application context
126 int len; // current len for post
127 int uid; // post uid for debug
128 AFB_PostType type; // JSON or FORM
129 AFB_apiCB completeCB; // callback when post is completed
130 char *privatebuf; // use internally to keep track or partial buffer
131 struct MHD_PostProcessor *pp; // iterator handle
135 enum MHD_ValueKind kind; // kind type of the value
136 const char *key; // key 0-terminated key for the value
137 const char *filename; // filename of the uploaded file, NULL if not known
138 const char *mimetype; // content_type mime-type of the data, NULL if not known
139 const char *encoding; // transfer_encoding encoding of the data, NULL if not known
140 const char *data; // data pointer to size bytes of data at the specified offset
141 uint64_t offset; // offset of data in the overall value
142 size_t len; // number of bytes in data available
156 // main config structure
158 char *logname; // logfile path for info & error log
159 char *console; // console device name (can be a file or a tty)
162 char *ldpaths; // list of plugins directories
163 char *rootdir; // base dir for httpd file download
164 char *rootbase; // Angular HTML5 base URL
165 char *rootapi; // Base URL for REST APIs
166 char *pidfile; // where to store pid when running background
167 char *sessiondir; // where to store mixer session files
168 char *configfile; // where to store configuration on gateway exit
169 char *setuid; // downgrade uid to username
170 char *token; // initial authentication token [default NULL no session]
173 int cntxTimeout; // Client Session Context timeout
174 int pluginCount; // loaded plugins count
175 AFB_Mode mode; // mode of listening
176 AFB_aliasdir *aliasdir; // alias mapping for icons,apps,...
184 // Enum for Session/Token/Authentication middleware
185 typedef enum {AFB_SESSION_NONE, AFB_SESSION_CREATE, AFB_SESSION_CLOSE, AFB_SESSION_RENEW, AFB_SESSION_CHECK} AFB_sessionE;
190 AFB_sessionE session;
205 AFB_freeCtxCB freeCtxCB; // callback to free application context [null for standard free]
209 // User Client Session Context
211 char uuid[37]; // long term authentication of remote client
212 char token[37]; // short term authentication of remote client
213 time_t timeStamp; // last time token was refresh
214 int restfull; // client does not use cookie
215 void **contexts; // application specific context [one per plugin]]
216 AFB_plugin **plugins; // we need plugins reference to cleanup session outside of call context
219 // MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "value");
223 char *prefix; // plugin convivial name
225 AFB_PostRequest *post;
227 void *context; // Hold Client Context when using session
228 void *handle; // provide callback and easy access to plugin
229 int restfull; // request is resfull [uuid token provided]
230 int errcode; // http error code
231 sigjmp_buf checkPluginCall; // context save for timeout set/longjmp
232 AFB_config *config; // plugin may need access to config
233 struct MHD_Connection *connection;
234 AFB_plugin **plugins;
239 AFB_config *config; // pointer to current config
240 // List of commands to execute
242 int background; // run in backround mode
243 int foreground; // run in forground mode
244 int configsave; // Save config on disk on start
245 char *cacheTimeout; // http require timeout to be a string
246 void *httpd; // anonymous structure for httpd handler
247 int fakemod; // respond to GET/POST request without interacting with sndboard
248 int forceexit; // when autoconfig from script force exit before starting server
249 int readyfd; // a #fd to signal when ready to serve
250 AFB_plugin **plugins; // pointer to REST/API plugins
251 magic_t magic; // Mime type file magic lib
252 sigjmp_buf restartCkpt; // context save for restart set/longjmp
257 #include "proto-def.h"
259 #endif /* LOCAL_DEF_H */