Changeset cce8a83 in mainline for uspace/srv/loc

Timestamp:

2011-08-16T17:31:34Z (14 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

45058baa

Parents:

6d605e6

Message:

loc_service_get_name() to translate service ID to name.

File:

• uspace/srv/loc/loc.c (modified) (3 diffs)

uspace/srv/loc/loc.c

@@ -44 +44 @@
 #include <bool.h>
 #include <fibril_synch.h>
+#include <macros.h>
 #include <stdlib.h>
 #include <str.h>
@@ -532 +533 @@
 }
 
+static void loc_service_get_name(ipc_callid_t iid, ipc_call_t *icall)
+{
+        ipc_callid_t callid;
+        size_t size;
+        size_t act_size;
+        loc_service_t *svc;
+        
+        if (!async_data_read_receive(&callid, &size)) {
+                async_answer_0(callid, EREFUSED);
+                async_answer_0(iid, EREFUSED);
+                return;
+        }
+        
+        fibril_mutex_lock(&services_list_mutex);
+        
+        svc = loc_service_find_id(IPC_GET_ARG1(*icall));
+        if (svc == NULL) {
+                fibril_mutex_unlock(&services_list_mutex);
+                async_answer_0(callid, ENOENT);
+                async_answer_0(iid, ENOENT);
+                return;
+        }
+        
+        act_size = str_size(svc->name);
+        if (act_size > size) {
+                fibril_mutex_unlock(&services_list_mutex);
+                async_answer_0(callid, EOVERFLOW);
+                async_answer_0(iid, EOVERFLOW);
+                return;
+        }
+        
+        sysarg_t retval = async_data_read_finalize(callid, svc->name,
+            min(size, act_size));
+        
+        fibril_mutex_unlock(&services_list_mutex);
+        
+        async_answer_0(iid, retval);
+}
+
+
 /** Connect client to the service.
  *
@@ -1197 +1238 @@
                         loc_service_get_id(callid, &call);
                         break;
+                case LOC_SERVICE_GET_NAME:
+                        loc_service_get_name(callid, &call);
+                        break;
                 case LOC_NAMESPACE_GET_ID:
                         loc_namespace_get_id(callid, &call);