return ret;
}
-static struct pcap_cache *local_pcap_copy;
-struct fd_event *cache_fd_event;
+static struct fd_event *cache_fd_event;
static bool cups_pcap_load_async(struct tevent_context *ev,
struct messaging_context *msg_ctx,
_exit(0);
}
+struct cups_async_cb_args {
+ int pipe_fd;
+ struct event_context *event_ctx;
+ struct messaging_context *msg_ctx;
+ void (*post_cache_fill_fn)(struct event_context *,
+ struct messaging_context *);
+};
+
static void cups_async_callback(struct event_context *event_ctx,
struct fd_event *event,
uint16 flags,
void *p)
{
TALLOC_CTX *frame = talloc_stackframe();
- int fd = *(int *)p;
+ struct cups_async_cb_args *cb_args = (struct cups_async_cb_args *)p;
+ int fd = cb_args->pipe_fd;
struct pcap_cache *tmp_pcap_cache = NULL;
+ bool ret_ok = true;
DEBUG(5,("cups_async_callback: callback received for printer data. "
"fd = %d\n", fd));
if (ret != sizeof(namelen)) {
DEBUG(10,("cups_async_callback: namelen read failed %d %s\n",
errno, strerror(errno)));
+ ret_ok = false;
break;
}
if (ret != sizeof(infolen)) {
DEBUG(10,("cups_async_callback: infolen read failed %s\n",
strerror(errno)));
+ ret_ok = false;
break;
}
if (namelen) {
name = TALLOC_ARRAY(frame, char, namelen);
if (!name) {
+ ret_ok = false;
break;
}
ret = sys_read(fd, name, namelen);
if (ret != namelen) {
DEBUG(10,("cups_async_callback: name read failed %s\n",
strerror(errno)));
+ ret_ok = false;
break;
}
DEBUG(11,("cups_async_callback: read name %s\n",
if (infolen) {
info = TALLOC_ARRAY(frame, char, infolen);
if (!info) {
+ ret_ok = false;
break;
}
ret = sys_read(fd, info, infolen);
if (ret != infolen) {
DEBUG(10,("cups_async_callback: info read failed %s\n",
strerror(errno)));
+ ret_ok = false;
break;
}
DEBUG(11,("cups_async_callback: read info %s\n",
}
/* Add to our local pcap cache. */
- pcap_cache_add_specific(&tmp_pcap_cache, name, info);
+ ret_ok = pcap_cache_add_specific(&tmp_pcap_cache, name, info);
TALLOC_FREE(name);
TALLOC_FREE(info);
+ if (!ret_ok) {
+ DEBUG(0, ("failed to add to tmp pcap cache\n"));
+ break;
+ }
}
TALLOC_FREE(frame);
- if (tmp_pcap_cache) {
- /* We got a namelist, replace our local cache. */
- pcap_cache_destroy_specific(&local_pcap_copy);
- local_pcap_copy = tmp_pcap_cache;
-
- /* And the systemwide pcap cache. */
- pcap_cache_replace(local_pcap_copy);
+ if (!ret_ok) {
+ DEBUG(0, ("failed to read a new printer list\n"));
+ pcap_cache_destroy_specific(&tmp_pcap_cache);
} else {
- DEBUG(2,("cups_async_callback: failed to read a new "
- "printer list\n"));
+ /*
+ * replace the system-wide pcap cache with a (possibly empty)
+ * new one.
+ * FIXME The child process does not currently propagate cups
+ * errors back up to the parent, therefore we cannot
+ * differentiate between an empty printer list and a failure.
+ */
+ ret_ok = pcap_cache_replace(tmp_pcap_cache);
+ if (!ret_ok) {
+ DEBUG(0, ("failed to replace pcap cache\n"));
+ } else if (cb_args->post_cache_fill_fn != NULL) {
+ /* Caller requested post cache fill callback */
+ cb_args->post_cache_fill_fn(cb_args->event_ctx,
+ cb_args->msg_ctx);
+ }
}
close(fd);
- TALLOC_FREE(p);
+ TALLOC_FREE(cb_args);
TALLOC_FREE(cache_fd_event);
}
bool cups_cache_reload(struct tevent_context *ev,
- struct messaging_context *msg_ctx)
+ struct messaging_context *msg_ctx,
+ void (*post_cache_fill_fn)(struct tevent_context *,
+ struct messaging_context *))
{
- int *p_pipe_fd = TALLOC_P(NULL, int);
+ struct cups_async_cb_args *cb_args;
+ int *p_pipe_fd;
- if (!p_pipe_fd) {
+ cb_args = TALLOC_P(NULL, struct cups_async_cb_args);
+ if (cb_args == NULL) {
return false;
}
+ cb_args->post_cache_fill_fn = post_cache_fill_fn;
+ cb_args->event_ctx = ev;
+ cb_args->msg_ctx = msg_ctx;
+ p_pipe_fd = &cb_args->pipe_fd;
*p_pipe_fd = -1;
/* Set up an async refresh. */
if (!cups_pcap_load_async(ev, msg_ctx, p_pipe_fd)) {
+ talloc_free(cb_args);
return false;
}
- if (!local_pcap_copy) {
- /* We have no local cache, wait directly for
- * async refresh to complete.
- */
- DEBUG(10,("cups_cache_reload: sync read on fd %d\n",
- *p_pipe_fd ));
-
- cups_async_callback(ev, NULL,
- EVENT_FD_READ,
- (void *)p_pipe_fd);
- if (!local_pcap_copy) {
- return false;
- }
- } else {
- /* Replace the system cache with our
- * local copy. */
- pcap_cache_replace(local_pcap_copy);
-
- DEBUG(10,("cups_cache_reload: async read on fd %d\n",
- *p_pipe_fd ));
-
- /* Trigger an event when the pipe can be read. */
- cache_fd_event = event_add_fd(ev,
- NULL, *p_pipe_fd,
- EVENT_FD_READ,
- cups_async_callback,
- (void *)p_pipe_fd);
- if (!cache_fd_event) {
- close(*p_pipe_fd);
- TALLOC_FREE(p_pipe_fd);
- return false;
- }
+
+ DEBUG(10,("cups_cache_reload: async read on fd %d\n",
+ *p_pipe_fd ));
+
+ /* Trigger an event when the pipe can be read. */
+ cache_fd_event = event_add_fd(ev,
+ NULL, *p_pipe_fd,
+ EVENT_FD_READ,
+ cups_async_callback,
+ (void *)cb_args);
+ if (!cache_fd_event) {
+ close(*p_pipe_fd);
+ TALLOC_FREE(cb_args);
+ return false;
}
+
return true;
}
ipp_attribute_t *attr_job_id = NULL; /* IPP Attribute "job-id" */
cups_lang_t *language = NULL; /* Default language */
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
- const char *clientname = NULL; /* hostname of client for job-originating-host attribute */
char *new_jobname = NULL;
int num_options = 0;
cups_option_t *options = NULL;
char *filename = NULL;
size_t size;
uint32_t jobid = (uint32_t)-1;
- char addr[INET6_ADDRSTRLEN];
DEBUG(5,("cups_job_submit(%d, %p)\n", snum, pjob));
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
NULL, user);
- clientname = client_name(get_client_fd());
- if (strcmp(clientname, "UNKNOWN") == 0) {
- clientname = client_addr(get_client_fd(),addr,sizeof(addr));
- }
-
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"job-originating-host-name", NULL,
- clientname);
+ pjob->clientmachine);
/* Get the jobid from the filename. */
jobid = print_parse_jobid(pjob->filename);
git.samba.org / nivanova / samba-autobuild / .git / blobdiff