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authorGravatar Nikias Bassen2012-03-31 19:54:55 +0200
committerGravatar Nikias Bassen2012-03-31 19:54:55 +0200
commitb63c3355bd194d1df83b2f5aa0affab411397dd4 (patch)
tree7ac0e2cc9eeffe2b8f537b1f59c38e65df743013 /libusbmuxd/libusbmuxd.c
parent30e6b293c60564c2016ef42830fadc58492998fa (diff)
downloadusbmuxd-b63c3355bd194d1df83b2f5aa0affab411397dd4.tar.gz
usbmuxd-b63c3355bd194d1df83b2f5aa0affab411397dd4.tar.bz2
libusbmuxd: handle remove messages in usbmuxd_get_device_list
Diffstat (limited to 'libusbmuxd/libusbmuxd.c')
-rw-r--r--libusbmuxd/libusbmuxd.c75
1 files changed, 49 insertions, 26 deletions
diff --git a/libusbmuxd/libusbmuxd.c b/libusbmuxd/libusbmuxd.c
index 861eefc..172da80 100644
--- a/libusbmuxd/libusbmuxd.c
+++ b/libusbmuxd/libusbmuxd.c
@@ -657,12 +657,15 @@ int usbmuxd_get_device_list(usbmuxd_device_info_t **device_list)
int sfd;
int listen_success = 0;
uint32_t res;
+ struct collection tmpdevs;
usbmuxd_device_info_t *newlist = NULL;
struct usbmuxd_header hdr;
- struct usbmuxd_device_record *dev_info;
+ struct usbmuxd_device_record *dev;
int dev_cnt = 0;
void *payload = NULL;
+ *device_list = NULL;
+
#ifdef HAVE_PLIST
retry:
#endif
@@ -698,32 +701,42 @@ retry:
return -1;
}
- *device_list = NULL;
+ collection_init(&tmpdevs);
+
// receive device list
while (1) {
if (receive_packet(sfd, &hdr, &payload, 1000) > 0) {
if (hdr.message == MESSAGE_DEVICE_ADD) {
- dev_info = payload;
- newlist = (usbmuxd_device_info_t *) realloc(*device_list, sizeof(usbmuxd_device_info_t) * (dev_cnt + 1));
- if (newlist) {
- newlist[dev_cnt].handle =
- (int) dev_info->device_id;
- newlist[dev_cnt].product_id =
- dev_info->product_id;
- memset(newlist[dev_cnt].uuid, '\0',
- sizeof(newlist[dev_cnt].uuid));
- memcpy(newlist[dev_cnt].uuid,
- dev_info->serial_number,
- sizeof(newlist[dev_cnt].uuid));
- *device_list = newlist;
- dev_cnt++;
- } else {
- fprintf(stderr,
- "%s: ERROR: out of memory when trying to realloc!\n",
- __func__);
- if (payload)
- free(payload);
- break;
+ dev = payload;
+ usbmuxd_device_info_t *devinfo = (usbmuxd_device_info_t*)malloc(sizeof(usbmuxd_device_info_t));
+ if (!devinfo) {
+ fprintf(stderr, "%s: Out of memory!\n", __func__);
+ free(payload);
+ return -1;
+ }
+
+ devinfo->handle = dev->device_id;
+ devinfo->product_id = dev->product_id;
+ memset(devinfo->uuid, '\0', sizeof(devinfo->uuid));
+ memcpy(devinfo->uuid, dev->serial_number, sizeof(devinfo->uuid));
+
+ collection_add(&tmpdevs, devinfo);
+
+ } else if (hdr.message == MESSAGE_DEVICE_REMOVE) {
+ uint32_t handle;
+ usbmuxd_device_info_t *devinfo = NULL;
+
+ memcpy(&handle, payload, sizeof(uint32_t));
+
+ FOREACH(usbmuxd_device_info_t *di, &tmpdevs) {
+ if (di && di->handle == handle) {
+ devinfo = di;
+ break;
+ }
+ } ENDFOREACH
+ if (devinfo) {
+ collection_remove(&tmpdevs, devinfo);
+ free(devinfo);
}
} else {
fprintf(stderr, "%s: Unexpected message %d\n", __func__, hdr.message);
@@ -740,9 +753,19 @@ retry:
// explicitly close connection
close_socket(sfd);
- // terminating zero record
- newlist = (usbmuxd_device_info_t*) realloc(*device_list, sizeof(usbmuxd_device_info_t) * (dev_cnt + 1));
- memset(newlist + dev_cnt, 0, sizeof(usbmuxd_device_info_t));
+ // create copy of device info entries from collection
+ newlist = (usbmuxd_device_info_t*)malloc(sizeof(usbmuxd_device_info_t) * (collection_count(&tmpdevs) + 1));
+ dev_cnt = 0;
+ FOREACH(usbmuxd_device_info_t *di, &tmpdevs) {
+ if (di) {
+ memcpy(&newlist[dev_cnt], di, sizeof(usbmuxd_device_info_t));
+ free(di);
+ dev_cnt++;
+ }
+ } ENDFOREACH
+ collection_free(&tmpdevs);
+
+ memset(&newlist[dev_cnt], 0, sizeof(usbmuxd_device_info_t));
*device_list = newlist;
return dev_cnt;