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require recipes-devtools/libafb-helpers/libafb-helpers_git.inc

DEPENDS_append = " qtwebsockets"
RDEPENDS_${PN}_append = " af-binder"

inherit cmake_qt5

EXTRA_OECMAKE_append = " -DAFB_HELPERS_QT=ON -DAFB_HELPERS=OFF"

ALLOW_EMPTY_${PN} = "1"
*/ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * Copyright (C) 2016 "IoT.bzh"
 * Author: José Bollo <jose.bollo@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.
 */

#pragma once

#include <stdarg.h>

/*****************************************************************************
 * This files is the main file to include for writing plugins dedicated to
 *
 *                      AFB-DAEMON
 *
 * Functions of plugins of afb-daemon are accessible by authorized clients
 * through the apis module of afb-daemon.
 *
 * A plugin is a shared library. This shared library must have at least one
 * exported symbol for being registered in afb-daemon.
 * For the current version of afb-daemon, the function exported MUST be named
 *
 *                  pluginAfbV1Register
 */

/*
 * Some function of the library are exported to afb-daemon.
 */

#include <afb/afb-req-itf.h>
#include <afb/afb-event-sender-itf.h>

/*
 * Definition of the versions of the plugin.
 * The definition uses hashes.
 */
enum  AFB_plugin_version
{
       AFB_PLUGIN_VERSION_1 = 123456789        /* version 1 */
};

/*
 * Enum for Session/Token/Authentication middleware.
 * This enumeration is valid for plugins of type 1
 */
enum AFB_session_v1
{
       AFB_SESSION_NONE = 0,   /* no session and no authentification required */
       AFB_SESSION_CREATE = 1, /* requires authentification and first call of the session */
       AFB_SESSION_CLOSE = 2,  /* closes the session after authentification */
       AFB_SESSION_RENEW = 4,  /* refreshes the token after authentification */
       AFB_SESSION_CHECK = 8,  /* enforce authentification */

       AFB_SESSION_LOA_GE = 16, /* check that the LOA is greater or equal to the given value */
       AFB_SESSION_LOA_LE = 32, /* check that the LOA is lesser or equal to the given value */
       AFB_SESSION_LOA_EQ = 48, /* check that the LOA is equal to the given value */

       AFB_SESSION_LOA_SHIFT = 6, /* shift for LOA */
       AFB_SESSION_LOA_MASK = 3,  /* mask for LOA */

       AFB_SESSION_LOA_0 = 0,   /* value for LOA of 0 */
       AFB_SESSION_LOA_1 = 64,  /* value for LOA of 1 */
       AFB_SESSION_LOA_2 = 128, /* value for LOA of 2 */
       AFB_SESSION_LOA_3 = 192, /* value for LOA of 3 */

       AFB_SESSION_LOA_LE_0 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_0, /* check LOA <= 0 */
       AFB_SESSION_LOA_LE_1 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_1, /* check LOA <= 1 */
       AFB_SESSION_LOA_LE_2 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_2, /* check LOA <= 2 */
       AFB_SESSION_LOA_LE_3 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_3, /* check LOA <= 3 */

       AFB_SESSION_LOA_GE_0 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_0, /* check LOA >= 0 */
       AFB_SESSION_LOA_GE_1 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_1, /* check LOA >= 1 */
       AFB_SESSION_LOA_GE_2 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_2, /* check LOA >= 2 */
       AFB_SESSION_LOA_GE_3 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_3, /* check LOA >= 3 */

       AFB_SESSION_LOA_EQ_0 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_0, /* check LOA == 0 */
       AFB_SESSION_LOA_EQ_1 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_1, /* check LOA == 1 */
       AFB_SESSION_LOA_EQ_2 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_2, /* check LOA == 2 */
       AFB_SESSION_LOA_EQ_3 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_3  /* check LOA == 3 */
};

/*
 * Description of one verb of the API provided by the plugin
 * This enumeration is valid for plugins of type 1
 */
struct AFB_verb_desc_v1
{
       const char *name;                       /* name of the verb */
       enum AFB_session_v1 session;            /* authorisation and session requirements of the verb */
       void (*callback)(struct afb_req req);   /* callback function implementing the verb */
       const char *info;                       /* textual description of the verb */
};

/*
 * Description of the plugins of type 1
 */
struct AFB_plugin_desc_v1
{
       const char *info;                       /* textual information about the plugin */
       const char *prefix;                     /* required prefix name for the plugin */
       const struct AFB_verb_desc_v1 *verbs;   /* array of descriptions of verbs terminated by a NULL name */
};

/*
 * Description of a plugin
 */
struct AFB_plugin
{
       enum AFB_plugin_version type; /* type of the plugin */
       union {
               struct AFB_plugin_desc_v1 v1;   /* description of the plugin of type 1 */
       };
};

/*
 * config mode
 */
enum AFB_Mode {
       AFB_MODE_LOCAL = 0,     /* run locally */
       AFB_MODE_REMOTE,        /* run remotely */
       AFB_MODE_GLOBAL         /* run either remotely or locally (DONT USE! reserved for future) */
};

/* declaration of features of libsystemd */
struct sd_event;
struct sd_bus;

/*
 * Definition of the facilities provided by the daemon.
 */
struct afb_daemon_itf {
       struct afb_event_sender (*get_event_sender)(void *closure);           /* get the event manager */
       struct sd_event *(*get_event_loop)(void *closure);      /* get the common systemd's event loop */
       struct sd_bus *(*get_user_bus)(void *closure);          /* get the common systemd's user d-bus */
       struct sd_bus *(*get_system_bus)(void *closure);        /* get the common systemd's system d-bus */
       void (*vverbose)(void*closure, int level, const char *file, int line, const char *fmt, va_list args);
};

/*
 * Structure for accessing daemon.
 * See also: afb_daemon_get_event_sender, afb_daemon_get_event_loop, afb_daemon_get_user_bus, afb_daemon_get_system_bus
 */
struct afb_daemon {
       const struct afb_daemon_itf *itf;       /* the interfacing functions */
       void *closure;                          /* the closure when calling these functions */
};

/*
 * Interface between the daemon and the plugin.
 */
struct AFB_interface
{
       struct afb_daemon daemon;       /* access to the daemon facilies */
       int verbosity;                  /* level of verbosity */
       enum AFB_Mode mode;             /* run mode (local or remote) */
};

/*
 * Function for registering the plugin
 */
extern const struct AFB_plugin *pluginAfbV1Register (const struct AFB_interface *interface);

/*
 * Retrieves the event sender of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct afb_event_sender afb_daemon_get_event_sender(struct afb_daemon daemon)
{
	return daemon.itf->get_event_sender(daemon.closure);
}

/*
 * Retrieves the common systemd's event loop of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct sd_event *afb_daemon_get_event_loop(struct afb_daemon daemon)
{
	return daemon.itf->get_event_loop(daemon.closure);
}

/*
 * Retrieves the common systemd's user/session d-bus of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct sd_bus *afb_daemon_get_user_bus(struct afb_daemon daemon)
{
	return daemon.itf->get_user_bus(daemon.closure);
}

/*
 * Retrieves the common systemd's system d-bus of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct sd_bus *afb_daemon_get_system_bus(struct afb_daemon daemon)
{
	return daemon.itf->get_system_bus(daemon.closure);
}

/*
 * Send a message described by 'fmt' and following parameters
 * to the journal for the verbosity 'level'.
 * 'file' and 'line' are indicators of position of the code in source files.
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline void afb_daemon_verbose(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...)
{
	va_list args;
	va_start(args, fmt);
	return daemon.itf->vverbose(daemon.closure, level, file, line, fmt, args);
	va_end(args);
}

#if !defined(NO_PLUGIN_VERBOSE_MACRO)
# define ERROR(itf,...)   do{if(itf->verbosity>=0)afb_daemon_verbose(itf->daemon,3,__FILE__,__LINE__,__VA_ARGS__);}while(0)
# define WARNING(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,4,__FILE__,__LINE__,__VA_ARGS__);}while(0)
# define NOTICE(itf,...)  do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,5,__FILE__,__LINE__,__VA_ARGS__);}while(0)
# define INFO(itf,...)    do{if(itf->verbosity>=2)afb_daemon_verbose(itf->daemon,6,__FILE__,__LINE__,__VA_ARGS__);}while(0)
# define DEBUG(itf,...)   do{if(itf->verbosity>=3)afb_daemon_verbose(itf->daemon,7,__FILE__,__LINE__,__VA_ARGS__);}while(0)
#endif