In preparation of enabling rainbow by default, remove
the factory service from the public API. The Exec field will now launch an activity instance. Add a -s argument to sugar-activity to enable the single process mode for activities that really need it.master
Marco Pesenti Gritti
17 years ago
parent
6a4f83d37c
commit
6ebe910e93
@ -1,348 +0,0 @@
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/*
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Copyright (c) 2007 Bert Freudenberg
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <signal.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include <dbus/dbus.h>
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#include <unistd.h>
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char* prog;
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/* command and arguments for activity instance*/
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static char* inst_argv[100];
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static int inst_argc = 0;
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/* instance process ids */
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static pid_t pidv[100];
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static int pidc = 0;
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/* instance process id that exited before it was added */
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static pid_t exited = 0;
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/* add and remove instances, quit when last instance exits*/
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static void
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quit()
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{
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fprintf(stderr, "%s: quitting\n", prog);
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exit(0);
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}
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static void
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add_pid(pid_t pid)
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{
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if (pid == exited)
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{
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fprintf(stderr, "%s: ign instance pid %i\n", prog, pid);
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exited = 0;
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if (pidc == 0)
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quit();
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return;
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}
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pidv[pidc++] = pid;
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fprintf(stderr, "%s: add instance pid %i\n", prog, pid);
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}
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static void
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remove_pid(pid_t pid)
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{
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int i;
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for (i=0; i<pidc; i++)
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if (pidv[i]==pid)
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break;
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if (i==pidc)
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{
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exited = pid;
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return;
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}
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pidc--;
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for ( ; i<pidc; i++)
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pidv[i] = pidv[i+1];
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fprintf(stderr, "%s: del instance pid %i\n", prog, pid);
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if (pidc == 0)
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quit();
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}
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static void
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sigchld_handler(int signum)
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{
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int pid;
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int status;
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while (1)
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{
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pid = waitpid(WAIT_ANY, &status, WNOHANG);
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if (pid <= 0)
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break;
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remove_pid(pid);
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}
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}
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/* fork and exit a new activity instance */
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static void
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create_instance(int argc)
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{
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pid_t pid = fork();
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if (pid<0)
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{
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perror("fork failed");
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exit(1);
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}
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inst_argv[argc] = NULL;
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if (pid == 0)
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{
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execvp(inst_argv[0], inst_argv);
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perror(inst_argv[0]);
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exit(1);
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}
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add_pid(pid);
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}
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/* handle dbus Introspect() call */
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static DBusHandlerResult
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handle_introspect(DBusConnection *connection, DBusMessage* message)
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{
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DBusMessage *reply;
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const char *introspect_xml =
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DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
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"<node>\n"
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" <interface name=\"org.freedesktop.DBus.Introspectable\">\n"
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" <method name=\"Introspect\">\n"
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" <arg direction=\"out\" type=\"s\" />\n"
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" </method>\n"
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" </interface>\n"
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" <interface name=\"org.laptop.ActivityFactory\">\n"
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" <method name=\"create\">\n"
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" <arg direction=\"in\" type=\"a{ss}\" />\n"
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" </method>\n"
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" </interface>\n"
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"</node>\n";
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reply = dbus_message_new_method_return(message);
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dbus_message_append_args(reply,
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DBUS_TYPE_STRING, &introspect_xml,
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DBUS_TYPE_INVALID);
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dbus_connection_send(connection, reply, NULL);
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dbus_message_unref(reply);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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/* handle dbus create() call */
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static DBusHandlerResult
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handle_create(DBusConnection *connection, DBusMessage* message)
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{
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DBusMessage *reply;
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DBusMessageIter iter_arss, iter_rss, iter_ss;
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char *key, *value;
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char *activity_id = 0;
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int argc = inst_argc;
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dbus_message_iter_init(message, &iter_arss);
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if (strcmp("a{ss}", dbus_message_iter_get_signature(&iter_arss)))
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{
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reply = dbus_message_new_error(message,
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DBUS_ERROR_INVALID_ARGS,
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"signature a{ss} expected");
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dbus_connection_send(connection, reply, NULL);
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dbus_message_unref(reply);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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dbus_message_iter_recurse(&iter_arss, &iter_rss);
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do
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{
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dbus_message_iter_recurse(&iter_rss, &iter_ss);
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dbus_message_iter_get_basic(&iter_ss, &key);
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dbus_message_iter_next(&iter_ss);
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dbus_message_iter_get_basic(&iter_ss, &value);
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inst_argv[argc++] = key;
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inst_argv[argc++] = value;
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if (!strcmp("activity_id", key))
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activity_id = value;
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} while(dbus_message_iter_next(&iter_rss));
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if (!activity_id)
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{
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reply = dbus_message_new_error(message,
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DBUS_ERROR_INVALID_ARGS,
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"'activity_id' expected");
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dbus_connection_send(connection, reply, NULL);
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dbus_message_unref(reply);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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create_instance(argc);
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reply = dbus_message_new_method_return(message);
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dbus_connection_send(connection, reply, NULL);
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dbus_message_unref(reply);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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/* activity factory dbus service */
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static void
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factory_unregistered_func(DBusConnection *connection,
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void *user_data)
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{
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}
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static DBusHandlerResult
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factory_message_func(DBusConnection *connection,
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DBusMessage *message,
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void *user_data)
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{
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if (dbus_message_is_method_call(message,
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"org.freedesktop.DBus.Introspectable",
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"Introspect"))
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return handle_introspect(connection, message);
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else if (dbus_message_is_method_call(message,
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"org.laptop.ActivityFactory",
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"create"))
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return handle_create(connection, message);
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else
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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static DBusObjectPathVTable
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factory_vtable = {
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factory_unregistered_func,
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factory_message_func,
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NULL,
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};
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/* register service and run main loop */
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static char*
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dots_to_slashes(char* dotted)
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{
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char* slashed = (char*) malloc(strlen(dotted)+2);
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char* p = slashed;
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*p++ = '/';
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strcpy(p, dotted);
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while (*++p) if (*p == '.') *p = '/';
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return slashed;
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}
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int main(int argc, char **argv)
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{
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DBusConnection *connection;
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DBusError error;
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int result;
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int i;
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char* service;
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if (argc < 3)
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{
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printf("Usage: %s org.laptop.MyActivity cmd args\n", argv[0]);
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printf("\twhere cmd will be invoked as\n");
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printf("\tcmd args \\\n");
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printf("\t bundle_id org.laptop.MyActivity \\\n");
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printf("\t activity_id 123ABC... \\\n");
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printf("\t object_id 456DEF... \\\n");
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printf("\t pservice_id 789ACE.. \\\n");
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printf("\t uri file:///path/to/file\n");
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printf("\tas given in the org.laptop.ActivityFactory.create() call\n");
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exit(1);
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}
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prog = argv[0];
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service = argv[1];
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for (i = 2; i<argc; i++)
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inst_argv[inst_argc++] = argv[i];
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inst_argv[inst_argc++] = "bundle_id";
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inst_argv[inst_argc++] = service;
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signal(SIGCHLD, sigchld_handler);
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dbus_error_init(&error);
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connection = dbus_bus_get(DBUS_BUS_SESSION, &error);
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if (dbus_error_is_set(&error))
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{
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fprintf(stderr, "%s: could not get bus connection: %s\n", prog, error.message);
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exit(1);
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}
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result = dbus_bus_request_name(connection,
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service,
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DBUS_NAME_FLAG_DO_NOT_QUEUE,
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&error);
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if (dbus_error_is_set(&error))
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{
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fprintf(stderr, "%s: could not aquire name %s: %s\n", prog, service, error.message);
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exit(1);
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}
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if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER)
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{
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fprintf(stderr, "%s: could not become primary owner of %s\n", prog, service);
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exit(1);
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}
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dbus_connection_register_object_path(connection,
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dots_to_slashes(service),
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&factory_vtable,
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NULL);
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while (dbus_connection_read_write_dispatch(connection, -1))
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;
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_exit(0);
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}
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@ -1,175 +0,0 @@
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# Copyright (C) 2006-2007 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU Lesser General Public
|
||||
# License as published by the Free Software Foundation; either
|
||||
# version 2 of the License, or (at your option) any later version.
|
||||
#
|
||||
# This library is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
# Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this library; if not, write to the
|
||||
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
# Boston, MA 02111-1307, USA.
|
||||
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import os
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import sys
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from optparse import OptionParser
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import gettext
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import traceback
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import logging
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import gobject
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import gtk
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import dbus
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import dbus.service
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import dbus.glib
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from sugar.bundle.activitybundle import ActivityBundle
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from sugar.activity import activityhandle
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from sugar import logger
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from sugar import _sugarext
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from sugar import env
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||||
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# Work around for dbus mutex locking issue
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gobject.threads_init()
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dbus.glib.threads_init()
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_ACTIVITY_FACTORY_INTERFACE = "org.laptop.ActivityFactory"
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class ActivityFactoryService(dbus.service.Object):
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"""D-Bus service that creates instances of Python activities
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||||
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The ActivityFactoryService is a dbus service created for
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||||
each Python based activity type (that is, each activity
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||||
bundle which declares a "class" in its activity.info file,
|
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rather than an "exec").
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The ActivityFactoryService is the actual process which
|
||||
instantiates the Python classes for Sugar interfaces. That
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||||
is, your Python code runs in the same process as the
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ActivityFactoryService itself.
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||||
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The "service" process is created at the moment Sugar first
|
||||
attempts to create an instance of the activity type. It
|
||||
then remains in memory until the last instance of the
|
||||
activity type is terminated.
|
||||
"""
|
||||
|
||||
def __init__(self, service_name, activity_class):
|
||||
"""Initialize the service to create activities of this type
|
||||
|
||||
service_name -- bundle's service name, this is used
|
||||
to construct the dbus service name used to access
|
||||
the created service.
|
||||
activity_class -- dotted Python class name for the
|
||||
Activity class which is to be instantiated by
|
||||
the service. Assumed to be composed of a module
|
||||
followed by a class.
|
||||
|
||||
if the module specified has a "start" attribute this object
|
||||
will be called on service initialisation (before first
|
||||
instance is created).
|
||||
|
||||
if the module specified has a "stop" attribute this object
|
||||
will be called after every instance exits (note: may be
|
||||
called multiple times for each time start is called!)
|
||||
"""
|
||||
self._activities = []
|
||||
self._service_name = service_name
|
||||
|
||||
splitted_module = activity_class.rsplit('.', 1)
|
||||
module_name = splitted_module[0]
|
||||
class_name = splitted_module[1]
|
||||
|
||||
module = __import__(module_name)
|
||||
for comp in module_name.split('.')[1:]:
|
||||
module = getattr(module, comp)
|
||||
if hasattr(module, 'start'):
|
||||
module.start()
|
||||
|
||||
self._module = module
|
||||
self._constructor = getattr(module, class_name)
|
||||
|
||||
bus = dbus.SessionBus()
|
||||
bus_name = dbus.service.BusName(service_name, bus = bus)
|
||||
object_path = '/' + service_name.replace('.', '/')
|
||||
dbus.service.Object.__init__(self, bus_name, object_path)
|
||||
|
||||
@dbus.service.method("org.laptop.ActivityFactory", in_signature="a{ss}")
|
||||
def create(self, handle):
|
||||
"""Create a new instance of this activity
|
||||
|
||||
handle -- sugar.activity.activityhandle.ActivityHandle
|
||||
compatible dictionary providing the instance-specific
|
||||
values for the new instance
|
||||
|
||||
returns xid for the created instance' root window
|
||||
"""
|
||||
activity_handle = activityhandle.create_from_dict(handle)
|
||||
|
||||
try:
|
||||
activity = self._constructor(activity_handle)
|
||||
except Exception, e:
|
||||
logging.error(traceback.format_exc())
|
||||
sys.exit(1)
|
||||
|
||||
activity.present()
|
||||
|
||||
self._activities.append(activity)
|
||||
activity.connect('destroy', self._activity_destroy_cb)
|
||||
|
||||
return activity.window.xid
|
||||
|
||||
def _activity_destroy_cb(self, activity):
|
||||
"""On close of an instance's root window
|
||||
|
||||
Removes the activity from the tracked activities.
|
||||
|
||||
If our implementation module has a stop, calls
|
||||
that.
|
||||
|
||||
If there are no more tracked activities, closes
|
||||
the activity.
|
||||
"""
|
||||
self._activities.remove(activity)
|
||||
|
||||
if hasattr(self._module, 'stop'):
|
||||
self._module.stop()
|
||||
|
||||
if len(self._activities) == 0:
|
||||
gtk.main_quit()
|
||||
|
||||
def run_with_args(args):
|
||||
"""Start the activity factory."""
|
||||
parser = OptionParser()
|
||||
parser.add_option("-p", "--bundle-path", dest="bundle_path",
|
||||
help="path to the activity bundle")
|
||||
(options, args) = parser.parse_args()
|
||||
|
||||
run(options.bundle_path)
|
||||
|
||||
def run(bundle_path):
|
||||
sys.path.append(bundle_path)
|
||||
|
||||
bundle = ActivityBundle(bundle_path)
|
||||
|
||||
logger.start(bundle.get_service_name())
|
||||
|
||||
gettext.bindtextdomain(bundle.get_service_name(),
|
||||
bundle.get_locale_path())
|
||||
gettext.textdomain(bundle.get_service_name())
|
||||
|
||||
gtk.icon_theme_get_default().append_search_path(bundle.get_icons_path())
|
||||
|
||||
os.environ['SUGAR_BUNDLE_PATH'] = bundle_path
|
||||
os.environ['SUGAR_ACTIVITY_ROOT'] = env.get_profile_path(bundle.get_service_name())
|
||||
|
||||
_sugarext.set_prgname(bundle.get_service_name())
|
||||
_sugarext.set_application_name(bundle.get_name())
|
||||
|
||||
factory = ActivityFactoryService(bundle.get_service_name(),
|
||||
bundle.activity_class)
|
||||
Loading…
Reference in New Issue