rom/dbus/test/dbus-dcop.c

   1 /*
   2  * Based on examples from "Connect desktop apps using D-BUS -- Helping
   3  * applications talk to one another", developerWorks 27 Jul 2004,
   4  */
   5
   6
   7 #define DBUS_API_SUBJECT_TO_CHANGE
   8 #include <dbus/dbus.h>
   9 #include <stdio.h>
  10
  11 #ifdef __AMIGA__
  12 #include <proto/dbus.h>
  13 #include <proto/dos.h>
  14 #include <proto/exec.h>
  15
  16 #include "dbus-amiga.h"
  17
  18 struct Library* DBUSBase;
  19 #else
  20 # include <dbus/dbus-glib.h>
  21 # include <dbus/dbus-glib-lowlevel.h>
  22 # define RETURN_OK     0
  23 # define RETURN_WARN   5
  24 # define RETURN_ERROR 10
  25 # define RETURN_FAIL  20
  26 #endif
  27
  28 static int send_command(DBusConnection *bus, int num_args, const char** args);
  29
  30 int main(int argc, const char** argv) {
  31   int             rc = RETURN_OK;
  32   DBusError       error;
  33   DBusConnection* bus;
  34
  35 #ifdef __AMIGA__
  36   DBUSBase = OpenLibrary("dbus.library", 1);
  37
  38   if (DBUSBase == NULL) {
  39     fprintf (stderr, "Unable to open dbus.library version 1\n");
  40     return RETURN_FAIL;
  41   }
  42 #endif
  43
  44   /* Get a connection to the session bus */
  45   dbus_error_init (&error);
  46   bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
  47
  48   if (bus) {
  49 #ifdef __AMIGA__
  50     /* Set up this connection to work as an Amiga thread */
  51     if (dbus_a_setup_connection(bus)) {
  52       rc = send_command(bus, argc - 1, argv + 1);
  53       dbus_a_cleanup_connection(bus);
  54     }
  55     else {
  56       fprintf(stderr, "Failed to set up the Amiga connection\n");
  57       rc = RETURN_FAIL;
  58     }
  59 #else
  60     /* Set up this connection to work in a GLib event loop */
  61     dbus_connection_setup_with_g_main (bus, NULL);
  62     rc = send_command(bus, argc - 1, argv + 1);
  63 #endif
  64   }
  65   else {
  66     fprintf(stderr, "Failed to connect to the D-BUS daemon: %s\n", error.message);
  67     rc = RETURN_FAIL;
  68   }
  69
  70   dbus_error_free(&error);
  71
  72 #ifdef __AMIGA__
  73   CloseLibrary(DBUSBase);
  74 #endif
  75
  76   return rc;
  77 }
  78
  79 static int send_command(DBusConnection *bus, int num_args, const char** args)
  80 {
  81   int rc = RETURN_OK;
  82   int i;
  83   DBusMessage* message = NULL;
  84   DBusMessage* reply = NULL;
  85   DBusError error;
  86
  87   dbus_error_init (&error);
  88
  89   /* Create a new message "Exec" on the "org.aros.dbus.DCOP" interface,
  90    * from the object "/org/aros/dbus/dbus_dcop". */
  91   message = dbus_message_new_method_call ("org.aros.dbus.DCOP",
  92                                           "/org/aros/dbus/dbus_dcop",
  93                                           "org.aros.dbus.DCOP",
  94                                           "Exec");
  95
  96   if (message != NULL) {
  97     /* Append the argumens as strings to the message */
  98     for (i = 0; i < num_args; ++i) {
  99       dbus_message_append_args (message,
 100                                 DBUS_TYPE_STRING, args[i],
 101                                 DBUS_TYPE_INVALID);
 102     }
 103
 104     /* Send the message */
 105     reply = dbus_connection_send_with_reply_and_block (bus, message, -1, &error);
 106
 107     /* Free the message now we have finished with it */
 108     dbus_message_unref (message);
 109
 110     if (reply != NULL) {
 111       char* res_str = NULL;
 112
 113       if (dbus_message_get_args(reply, &error,
 114                                 DBUS_TYPE_STRING, &res_str,
 115                                 DBUS_TYPE_INVALID)) {
 116         if (res_str != NULL) {
 117           /* Print out the result */
 118           printf("%s", res_str);
 119
 120           dbus_free(res_str);
 121           rc = RETURN_OK;
 122         }
 123         else {
 124           rc = RETURN_WARN;
 125         }
 126       }
 127
 128       /* Free the reply now we have finished with it */
 129       dbus_message_unref (reply);
 130     }
 131     else {
 132       fprintf(stderr, "Failed to get a reply from the D-BUS/DCOP bridge: %s\n", error.message);
 133       rc = RETURN_ERROR;
 134     }
 135   }
 136   else {
 137     fprintf(stderr, "Failed to send message to the D-BUS/DCOP bridge: %s\n", error.message);
 138     rc = RETURN_ERROR;
 139
 140   }
 141
 142   dbus_error_free(&error);
 143   return rc;
 144 }