!96 Add L0 write/read remote object

Merge pull request !96 from liubb_0516/master

ipc/native/c/adapter/Liteos_m/rpc_os_adapter.c

@@ -15,9 +15,11 @@
 
 #include "rpc_os_adapter.h"
 
+#include <pthread.h>
+
 int32_t RpcGetPid(void)
 {
-    return 0;
+    return (int32_t)pthread_self(); // Use tid instead of pid on mini system
 }
 
 int32_t RpcGetUid(void)

ipc/native/c/manager/include/ipc_process_skeleton.h

@@ -64,7 +64,7 @@ const SvcIdentity *GetRegistryObject(void);
 int32_t ProcessSendRequest(SvcIdentity target, uint32_t code, IpcIo *data, IpcIo *reply,
     MessageOption option, uintptr_t *buffer);
 int32_t ProcessFreeBuffer(void *ptr);
-void OnLastStrongRef(int32_t handle);
+void OnFirstStrongRef(int32_t handle);
 int32_t ProcessAddDeathRecipient(int32_t handle, OnRemoteDead deathFunc, void *args, uint32_t *cbId);
 int32_t ProcessRemoveDeathRecipient(int32_t handle, uint32_t cbId);
 int32_t OnRemoteRequestInner(uint32_t code, IpcIo *data, IpcIo *reply,

ipc/native/c/manager/src/ipc_process_skeleton.c

@@ -240,7 +240,7 @@ static bool FirstAddObject(int32_t handle)
     return true;
 }
 
-static void OnFirstStrongRef(int32_t handle)
+void OnFirstStrongRef(int32_t handle)
 {
     if (handle <= 0) {
         RPC_LOG_ERROR("invalid handle.");

ipc/native/c/manager/src/serializer.c

@@ -247,9 +247,11 @@ int32_t ReadFileDescriptor(IpcIo *io)
 #else
 bool WriteRemoteObject(IpcIo *io, const SvcIdentity *svc)
 {
-    (void)io;
-    (void)svc;
-    return false;
+    if (io == NULL || svc == NULL) {
+        RPC_LOG_ERROR("push io or svc is NULL ...");
+        return false;
+    }
+    return WriteBuffer(io, svc, sizeof(SvcIdentity));
 }
 
 bool WriteFileDescriptor(IpcIo *io, uint32_t fd)
@@ -261,9 +263,18 @@ bool WriteFileDescriptor(IpcIo *io, uint32_t fd)
 
 bool ReadRemoteObject(IpcIo *io, SvcIdentity *svc)
 {
-    (void)io;
-    (void)svc;
-    return false;
+    if (io == NULL || svc == NULL) {
+        return false;
+    }
+    SvcIdentity *svcId = ReadBuffer(io, sizeof(SvcIdentity));
+    if (svcId == NULL) {
+        return false;
+    }
+    svc->handle = svcId->handle;
+    svc->token = svcId->token;
+    svc->cookie = svcId->cookie;
+    WaitForProxyInit(svcId->handle);
+    return true;
 }
 
 int32_t ReadFileDescriptor(IpcIo *io)