ideviceheartbeat: Add simpe tool which keeps heartbeat service connection alive

1 files changed, 153 insertions, 0 deletions

diff --git a/dev/ideviceheartbeat.c b/dev/ideviceheartbeat.c
new file mode 100644
index 0000000..aecf9a0
--- /dev/null
+++ b/dev/ideviceheartbeat.c
@@ -0,0 +1,153 @@
+/*
+ * ideviceheartbeat.c
+ * Simple utility which keeps a "heartbeat service" connection alive
+ *
+ * Copyright (c) 2013 Martin Szulecki All Rights Reserved.
+ *
+ * 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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#include <libimobiledevice/libimobiledevice.h>
+#include <libimobiledevice/heartbeat.h>
+
+static int quit_flag = 0;
+
+/**
+ * signal handler function for cleaning up properly
+ */
+static void clean_exit(int sig)
+{
+        fprintf(stderr, "Exiting...\n");
+        quit_flag++;
+}
+
+static void print_usage(int argc, char **argv)
+{
+        char *name = NULL;
+        
+        name = strrchr(argv[0], '/');
+        printf("Usage: %s [OPTIONS]\n", (name ? name + 1: argv[0]));
+        printf("Runs in the foreground and keeps a \"heartbeat\" connection alive.\n\n");
+        printf("  -d, --debug\t\tenable communication debugging\n");
+        printf("  -u, --udid UDID\ttarget specific device by its 40-digit device UDID\n");
+        printf("  -h, --help\t\tprints usage information\n");
+        printf("\n");
+}
+
+int main(int argc, char *argv[])
+{
+        heartbeat_client_t heartbeat = NULL;
+        idevice_t device = NULL;
+        idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
+        int i;
+        const char* udid = NULL;
+
+        signal(SIGINT, clean_exit);
+        signal(SIGTERM, clean_exit);
+#ifndef WIN32
+        signal(SIGQUIT, clean_exit);
+        signal(SIGPIPE, SIG_IGN);
+#endif
+        /* parse cmdline args */
+        for (i = 1; i < argc; i++) {
+                if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
+                        idevice_set_debug_level(1);
+                        continue;
+                }
+                else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--udid")) {
+                        i++;
+                        if (!argv[i] || (strlen(argv[i]) != 40)) {
+                                print_usage(argc, argv);
+                                return 0;
+                        }
+                        udid = argv[i];
+                        continue;
+                }
+                else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
+                        print_usage(argc, argv);
+                        return 0;
+                }
+                else {
+                        print_usage(argc, argv);
+                        return 0;
+                }
+        }
+
+        ret = idevice_new(&device, udid);
+        if (ret != IDEVICE_E_SUCCESS) {
+                if (udid) {
+                        printf("No device found with udid %s, is it plugged in?\n", udid);
+                } else {
+                        printf("No device found, is it plugged in?\n");
+                }
+                return -1;
+        }
+
+        /* start heartbeat service on device */
+        heartbeat_start_service(device, &heartbeat);
+
+        if (heartbeat) {
+                printf("< heartbeat started, listening...\n");
+        }
+
+        /* main loop */
+        uint8_t b = 0;
+        uint64_t interval = 10000;
+        plist_t message = NULL;
+        plist_t node = NULL;
+        do {
+                /* await a "ping" message from the device every interval seconds */
+                heartbeat_receive_with_timeout(heartbeat, &message, (uint32_t)interval);
+                if (message) {
+                        /* report device beat settings */
+                        node = plist_dict_get_item(message, "SupportsSleepyTime");
+                        if (node && plist_get_node_type(node) == PLIST_BOOLEAN) {
+                                plist_get_bool_val(node, &b);
+                        }
+                        node = plist_dict_get_item(message, "Interval");
+                        if (node && plist_get_node_type(node) == PLIST_UINT) {
+                                plist_get_uint_val(node, &interval);
+                        }
+
+                        printf("> marco: supports_sleepy_time %d, interval %llu\n", b, interval);
+
+                        plist_free(message);
+                        message = NULL;
+
+                        /* answer with a "pong" message */
+                        message = plist_new_dict();
+                        plist_dict_insert_item(message, "Command", plist_new_string("Polo"));
+                        heartbeat_send(heartbeat, message);
+
+                        printf("< polo\n");
+
+                        if (message) {
+                                plist_free(message);
+                                message = NULL;
+                        }
+                }
+        } while(!quit_flag);
+
+        heartbeat_client_free(heartbeat);
+
+        idevice_free(device);
+
+        return 0;
+}