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Diffstat (limited to 'bin/sugar-native-factory.c')
| -rw-r--r-- | bin/sugar-native-factory.c | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/bin/sugar-native-factory.c b/bin/sugar-native-factory.c deleted file mode 100644 index 858249a..0000000 --- a/bin/sugar-native-factory.c +++ /dev/null @@ -1,348 +0,0 @@ -/* -Copyright (c) 2007 Bert Freudenberg - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. -*/ - - - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <signal.h> -#include <errno.h> -#include <sys/wait.h> -#include <dbus/dbus.h> -#include <unistd.h> - -char* prog; - -/* command and arguments for activity instance*/ -static char* inst_argv[100]; -static int inst_argc = 0; - -/* instance process ids */ -static pid_t pidv[100]; -static int pidc = 0; - -/* instance process id that exited before it was added */ -static pid_t exited = 0; - - - -/* add and remove instances, quit when last instance exits*/ - -static void -quit() -{ - fprintf(stderr, "%s: quitting\n", prog); - exit(0); -} - - -static void -add_pid(pid_t pid) -{ - if (pid == exited) - { - fprintf(stderr, "%s: ign instance pid %i\n", prog, pid); - exited = 0; - if (pidc == 0) - quit(); - return; - } - pidv[pidc++] = pid; - fprintf(stderr, "%s: add instance pid %i\n", prog, pid); -} - - -static void -remove_pid(pid_t pid) -{ - int i; - for (i=0; i<pidc; i++) - if (pidv[i]==pid) - break; - if (i==pidc) - { - exited = pid; - return; - } - pidc--; - for ( ; i<pidc; i++) - pidv[i] = pidv[i+1]; - - fprintf(stderr, "%s: del instance pid %i\n", prog, pid); - - if (pidc == 0) - quit(); -} - - -static void -sigchld_handler(int signum) -{ - int pid; - int status; - while (1) - { - pid = waitpid(WAIT_ANY, &status, WNOHANG); - if (pid <= 0) - break; - remove_pid(pid); - } -} - - - -/* fork and exit a new activity instance */ - -static void -create_instance(int argc) -{ - pid_t pid = fork(); - - if (pid<0) - { - perror("fork failed"); - exit(1); - } - - inst_argv[argc] = NULL; - if (pid == 0) - { - execvp(inst_argv[0], inst_argv); - perror(inst_argv[0]); - exit(1); - } - - add_pid(pid); -} - - - -/* handle dbus Introspect() call */ - -static DBusHandlerResult -handle_introspect(DBusConnection *connection, DBusMessage* message) -{ - DBusMessage *reply; - const char *introspect_xml = - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE - "<node>\n" - " <interface name=\"org.freedesktop.DBus.Introspectable\">\n" - " <method name=\"Introspect\">\n" - " <arg direction=\"out\" type=\"s\" />\n" - " </method>\n" - " </interface>\n" - " <interface name=\"org.laptop.ActivityFactory\">\n" - " <method name=\"create\">\n" - " <arg direction=\"in\" type=\"a{ss}\" />\n" - " </method>\n" - " </interface>\n" - "</node>\n"; - - reply = dbus_message_new_method_return(message); - dbus_message_append_args(reply, - DBUS_TYPE_STRING, &introspect_xml, - DBUS_TYPE_INVALID); - - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - - - -/* handle dbus create() call */ - -static DBusHandlerResult -handle_create(DBusConnection *connection, DBusMessage* message) -{ - DBusMessage *reply; - DBusMessageIter iter_arss, iter_rss, iter_ss; - char *key, *value; - char *activity_id = 0; - int argc = inst_argc; - - dbus_message_iter_init(message, &iter_arss); - if (strcmp("a{ss}", dbus_message_iter_get_signature(&iter_arss))) - { - reply = dbus_message_new_error(message, - DBUS_ERROR_INVALID_ARGS, - "signature a{ss} expected"); - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - return DBUS_HANDLER_RESULT_HANDLED; - } - - dbus_message_iter_recurse(&iter_arss, &iter_rss); - - do - { - dbus_message_iter_recurse(&iter_rss, &iter_ss); - dbus_message_iter_get_basic(&iter_ss, &key); - dbus_message_iter_next(&iter_ss); - dbus_message_iter_get_basic(&iter_ss, &value); - - inst_argv[argc++] = key; - inst_argv[argc++] = value; - - if (!strcmp("activity_id", key)) - activity_id = value; - - } while(dbus_message_iter_next(&iter_rss)); - - if (!activity_id) - { - reply = dbus_message_new_error(message, - DBUS_ERROR_INVALID_ARGS, - "'activity_id' expected"); - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - return DBUS_HANDLER_RESULT_HANDLED; - } - - create_instance(argc); - - reply = dbus_message_new_method_return(message); - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - - - -/* activity factory dbus service */ - -static void -factory_unregistered_func(DBusConnection *connection, - void *user_data) -{ -} - - -static DBusHandlerResult -factory_message_func(DBusConnection *connection, - DBusMessage *message, - void *user_data) -{ - if (dbus_message_is_method_call(message, - "org.freedesktop.DBus.Introspectable", - "Introspect")) - return handle_introspect(connection, message); - else if (dbus_message_is_method_call(message, - "org.laptop.ActivityFactory", - "create")) - return handle_create(connection, message); - else - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - - -static DBusObjectPathVTable -factory_vtable = { - factory_unregistered_func, - factory_message_func, - NULL, -}; - - - -/* register service and run main loop */ - -static char* -dots_to_slashes(char* dotted) -{ - char* slashed = (char*) malloc(strlen(dotted)+2); - char* p = slashed; - *p++ = '/'; - strcpy(p, dotted); - while (*++p) if (*p == '.') *p = '/'; - return slashed; -} - - -int main(int argc, char **argv) -{ - DBusConnection *connection; - DBusError error; - int result; - int i; - char* service; - - if (argc < 3) - { - printf("Usage: %s org.laptop.MyActivity cmd args\n", argv[0]); - printf("\twhere cmd will be invoked as\n"); - printf("\tcmd args \\\n"); - printf("\t bundle_id org.laptop.MyActivity \\\n"); - printf("\t activity_id 123ABC... \\\n"); - printf("\t object_id 456DEF... \\\n"); - printf("\t pservice_id 789ACE.. \\\n"); - printf("\t uri file:///path/to/file\n"); - printf("\tas given in the org.laptop.ActivityFactory.create() call\n"); - exit(1); - } - prog = argv[0]; - service = argv[1]; - - for (i = 2; i<argc; i++) - inst_argv[inst_argc++] = argv[i]; - inst_argv[inst_argc++] = "bundle_id"; - inst_argv[inst_argc++] = service; - - signal(SIGCHLD, sigchld_handler); - - dbus_error_init(&error); - - connection = dbus_bus_get(DBUS_BUS_SESSION, &error); - if (dbus_error_is_set(&error)) - { - fprintf(stderr, "%s: could not get bus connection: %s\n", prog, error.message); - exit(1); - } - - result = dbus_bus_request_name(connection, - service, - DBUS_NAME_FLAG_DO_NOT_QUEUE, - &error); - if (dbus_error_is_set(&error)) - { - fprintf(stderr, "%s: could not aquire name %s: %s\n", prog, service, error.message); - exit(1); - } - if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) - { - fprintf(stderr, "%s: could not become primary owner of %s\n", prog, service); - exit(1); - } - - dbus_connection_register_object_path(connection, - dots_to_slashes(service), - &factory_vtable, - NULL); - - while (dbus_connection_read_write_dispatch(connection, -1)) - ; - - _exit(0); -} |