bert.c File Reference

#include "config.h"
#include <glib.h>
#include <gtk/gtk.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <liberipc/eripc.h>
#include <liberipc/eripc_support.h>
#include "log.h"

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Defines
#define	LOGGING_ON   1
#define	DBUS_APPL_NAME   "bert"
#define	DBUS_SERVICE   "com.irexnet." DBUS_APPL_NAME
#define	DBUS_PATH   "/com/irexnet/" DBUS_APPL_NAME
#define	DBUS_INTERFACE   "com.irexnet." DBUS_APPL_NAME
#define	DBUS_SERVICE_ERNIE   "com.irexnet.ernie"
#define	MAXCOUNT   100
#define	DELAY_MS   100
Functions
static void	on_ping (eripc_context_t *context, const eripc_event_info_t *info, void *user_data)
static void	on_pong (eripc_context_t *context, const eripc_event_info_t *info, gpointer data)
gboolean	ipc_set_services ()
	Setup IPC connection and register API functions.
void	ipc_unset_services ()
	Unregister API functions.
void	ipc_send_ping (void *callback_handler, void *callback_data)
static gboolean	on_second (gpointer data)
int	main (int argc, char *argv[])
Variables
int	activated_handler = -1
static eripc_client_context_t *	eripcClient = NULL
static eripc_callback_function_t	service_functions []

---

Define Documentation

#define DBUS_APPL_NAME   "bert"

Definition at line 28 of file bert.c.

#define DBUS_INTERFACE   "com.irexnet." DBUS_APPL_NAME

Definition at line 31 of file bert.c.

#define DBUS_PATH   "/com/irexnet/" DBUS_APPL_NAME

Definition at line 30 of file bert.c.

#define DBUS_SERVICE   "com.irexnet." DBUS_APPL_NAME

Definition at line 29 of file bert.c.

#define DBUS_SERVICE_ERNIE   "com.irexnet.ernie"

Definition at line 33 of file bert.c.

Referenced by ipc_send_ping().

#define DELAY_MS   100

Definition at line 36 of file bert.c.

#define LOGGING_ON   1

Copyright (C) 2009 iRex Technologies B.V. All rights reserved.

Definition at line 12 of file bert.c.

#define MAXCOUNT   100

Definition at line 35 of file bert.c.

Referenced by on_second().

---

Function Documentation

void ipc_send_ping	(	void *	callback_handler,
		void *	callback_data
	)

Definition at line 71 of file bert.c.

References eripc_client_context_t::context, DBUS_SERVICE_ERNIE, ERIPC_BUS_SESSION, eripc_error_string(), ERIPC_ERROR_SUCCESS, eripc_send_varargs(), ERIPC_TYPE_INVALID, ERIPC_TYPE_STRING, ERRORPRINTF, and LOGPRINTF.

Referenced by on_second().

{
    eripc_error_t retval;

    retval = eripc_send_varargs(eripcClient->context, 
                               callback_handler,
                               callback_data,
                               ERIPC_BUS_SESSION,
                               DBUS_SERVICE_ERNIE,
                               "callernie",
                               ERIPC_TYPE_STRING, "greets from bert",
                               ERIPC_TYPE_INVALID);
    
    if (retval != ERIPC_ERROR_SUCCESS) 
    {
        ERRORPRINTF("Error launching eripc handler: %s", eripc_error_string(retval));
        return;
    }

    LOGPRINTF("Sent ping");
}

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gboolean ipc_set_services

(

)

Setup IPC connection and register API functions.

File Name : index_ipc.h

Description: The dbus-based eripc functions Copyright (C) 2009 IREX Technologies B.V. All rights reserved.---------------------------------------------------------------------------

Name : ipc_set_services

Parameters:

None

Returns:

--

--------------------------------------------------------------------------

Definition at line 51 of file bert.c.

References DBUS_APPL_NAME, DBUS_INTERFACE, DBUS_PATH, DBUS_SERVICE, and eripc_client_context_new().

{
    eripcClient = eripc_client_context_new(
                    DBUS_APPL_NAME,
                    "1.0",
                    DBUS_SERVICE,
                    DBUS_PATH,
                    DBUS_INTERFACE,
                    service_functions);

    return TRUE;
}

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void ipc_unset_services

(

void

)

Unregister API functions.

---------------------------------------------------------------------------

Name : ipc_unset_services

Parameters:

--

Returns:

--

--------------------------------------------------------------------------

Definition at line 65 of file bert.c.

References eripc_client_context_free().

{
    eripc_client_context_free(eripcClient, service_functions);
}

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int main	(	int	argc,
		char *	argv[]
	)

Definition at line 140 of file bert.c.

References ipc_set_services(), ipc_unset_services(), LOGPRINTF, and on_second().

{
    // init gdk (for windowing)
    g_type_init();
    gtk_init(&argc, &argv);
    
    LOGPRINTF("Starting...");

    // prepare IPC, system (micro) and display
    ipc_set_services();
        
    LOGPRINTF("Running...");
    
    gint32 interval = g_random_int_range(100, 200);
    g_timeout_add(interval, on_second, NULL);
    
    // run the main loop
    LOGPRINTF("before gtk_main");
    gtk_main();
    LOGPRINTF("after gtk_main");
    
    ipc_unset_services();    
    
    LOGPRINTF("...Exit");
    
    return 0;
}

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static void on_ping	(	eripc_context_t *	context,
		const eripc_event_info_t *	info,
		void *	user_data
	)			[static]

Definition at line 110 of file bert.c.

References eripc_reply_bool(), LOGPRINTF, and eripc_event_info_t::message_id.

{
    gint32 wait = g_random_int_range(1000, 100*1000);
    
    LOGPRINTF("Ping from ERNIE, return Pong in [%d] ms", wait/1000);
    g_usleep(wait);
    
    eripc_reply_bool(context, info->message_id, TRUE);
}

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static void on_pong	(	eripc_context_t *	context,
		const eripc_event_info_t *	info,
		gpointer	data
	)			[static]

Definition at line 95 of file bert.c.

References ERIPC_EVENT_REPLY, eripc_event_info_t::event_type, LOGPRINTF, and WARNPRINTF.

Referenced by on_second().

{
    if (info->event_type != ERIPC_EVENT_REPLY)
    {
        WARNPRINTF("invalid event: %d", info->event_type);
    }
    else
    {
        LOGPRINTF("Pong from ERNIE [%d]", (gint) data);
    }
}

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static gboolean on_second

(

gpointer

data

)

[static]

Definition at line 123 of file bert.c.

References ipc_send_ping(), MAXCOUNT, and on_pong().

Referenced by main().

{
    static gint count = 0;
    
    ipc_send_ping(on_pong, (gpointer)count++);
    
    if (count>MAXCOUNT)
    {
        gtk_main_quit();
        // don't call again
        return FALSE;
    }
    
    return TRUE;
}

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---

Variable Documentation

int activated_handler = -1

Definition at line 38 of file bert.c.

eripc_client_context_t* eripcClient = NULL [static]

Definition at line 39 of file bert.c.

eripc_callback_function_t service_functions[] [static]

Initial value:

 {
        { on_ping,         "callbert",           NULL,             0 },
        { NULL }  
    }

Definition at line 45 of file bert.c.