24a5e281d7
Replacement of some gint32 fields with enums may cause "warning: passing argument xxx from incompatible pointer type" or something similar at compile time but it's safe from the ABI prospective because those enums have the same size as gint32 (and that's checked at compiled time). It may, however, cause compilation errors in the projects compiled with -Werror
392 lines
10 KiB
C
392 lines
10 KiB
C
/*
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* Copyright (C) 2021 Jolla Ltd.
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* Copyright (C) 2021 Slava Monich <slava.monich@jolla.com>
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*
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* You may use this file under the terms of the BSD license as follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation
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* are those of the authors and should not be interpreted as representing
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* any official policies, either expressed or implied.
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*/
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#include "test_gbinder.h"
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#include <gutil_log.h>
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typedef struct test_gbinder_client_tx {
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GBinderClient* client;
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guint32 code;
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guint32 flags;
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GBinderLocalRequest* req;
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GBinderClientReplyFunc reply;
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GDestroyNotify destroy;
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void* user_data;
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} TestGBinderClientTx;
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typedef struct test_gbinder_client_iface_range {
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char* iface;
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GBytes* header;
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guint32 last_code;
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} TestGBinderClientIfaceRange;
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struct gbinder_client {
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guint32 refcount;
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GBinderRemoteObject* remote;
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TestGBinderClientIfaceRange* ranges;
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guint nr;
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};
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static
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void
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test_gbinder_client_free(
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GBinderClient* self)
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{
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guint i;
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for (i = 0; i < self->nr; i++) {
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TestGBinderClientIfaceRange* r = self->ranges + i;
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g_bytes_unref(r->header);
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g_free(r->iface);
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}
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g_free(self->ranges);
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gbinder_remote_object_unref(self->remote);
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g_free(self);
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}
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static
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void
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test_gbinder_client_init_range(
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TestGBinderClientIfaceRange* r,
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const GBinderClientIfaceInfo* info)
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{
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r->header = g_bytes_new(info->iface, strlen(info->iface));
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r->iface = g_strdup(info->iface);
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r->last_code = info->last_code;
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}
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static
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int
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test_gbinder_client_sort_ranges(
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const void* p1,
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const void* p2)
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{
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const TestGBinderClientIfaceRange* r1 = p1;
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const TestGBinderClientIfaceRange* r2 = p2;
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return (r1->last_code < r2->last_code) ? (-1) :
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(r1->last_code > r2->last_code) ? 1 : 0;
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}
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static
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const TestGBinderClientIfaceRange*
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test_gbinder_client_find_range(
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GBinderClient* self,
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guint32 code)
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{
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guint i;
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for (i = 0; i < self->nr; i++) {
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const TestGBinderClientIfaceRange* r = self->ranges + i;
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if (r->last_code >= code) {
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return r;
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}
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}
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return NULL;
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}
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static
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GBinderRemoteReply*
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test_gbinder_client_transact(
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GBinderClient* self,
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guint32 code,
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guint32 flags,
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GBinderLocalRequest* req,
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int* status)
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{
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GBinderLocalObject* obj = test_gbinder_remote_object_to_local(self->remote);
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GBinderRemoteRequest* remote_req = test_gbinder_remote_request_new(req);
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GBinderLocalReply* reply = test_gbinder_local_object_handle_tx(obj,
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remote_req, code, flags, status);
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GBinderRemoteReply* remote_reply = test_gbinder_remote_reply_new(reply);
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gbinder_remote_request_unref(remote_req);
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gbinder_local_reply_unref(reply);
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return remote_reply;
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}
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static
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GBinderRemoteReply*
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test_gbinder_client_transact_sync(
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GBinderClient* self,
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guint32 code,
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guint32 flags,
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GBinderLocalRequest* req,
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int* status)
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{
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GBinderRemoteReply* reply = NULL;
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if (self) {
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GBinderRemoteObject* obj = self->remote;
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if (!test_gbinder_remote_object_dead(obj)) {
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GBinderLocalRequest* tmp = NULL;
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if (!req) {
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const TestGBinderClientIfaceRange* r =
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test_gbinder_client_find_range(self, code);
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if (r) {
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req = tmp = test_gbinder_local_request_new(r->iface);
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}
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}
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if (req) {
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reply = test_gbinder_client_transact(self, code, flags, req,
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status);
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}
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gbinder_local_request_unref(tmp);
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} else {
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GDEBUG("Refusing to perform transaction with a dead object");
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}
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}
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return reply;
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}
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static
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gboolean
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test_gbinder_client_tx_handle(
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gpointer data)
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{
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int status = -1;
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TestGBinderClientTx* tx = data;
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GBinderRemoteReply* reply = test_gbinder_client_transact
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(tx->client, tx->code, tx->flags, tx->req, &status);
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if (tx->reply) {
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tx->reply(tx->client, reply, status, tx->user_data);
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}
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gbinder_remote_reply_unref(reply);
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return G_SOURCE_REMOVE;
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}
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static
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void
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test_gbinder_client_tx_destroy(
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gpointer data)
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{
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TestGBinderClientTx* tx = data;
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if (tx->destroy) {
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tx->destroy(tx->user_data);
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}
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gbinder_local_request_unref(tx->req);
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gbinder_client_unref(tx->client);
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g_free(tx);
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}
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/*==========================================================================*
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* libgbinder API
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*==========================================================================*/
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GBinderClient*
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gbinder_client_new2(
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GBinderRemoteObject* remote,
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const GBinderClientIfaceInfo* ifaces,
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gsize count)
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{
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if (remote) {
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GBinderClient* self = g_new0(GBinderClient, 1);
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g_atomic_int_set(&self->refcount, 1);
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self->remote = gbinder_remote_object_ref(remote);
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if (count > 0) {
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gsize i;
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self->nr = count;
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self->ranges = g_new(TestGBinderClientIfaceRange, self->nr);
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for (i = 0; i < count; i++) {
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test_gbinder_client_init_range(self->ranges + i, ifaces + i);
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}
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qsort(self->ranges, count, sizeof(TestGBinderClientIfaceRange),
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test_gbinder_client_sort_ranges);
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} else {
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/* No interface info */
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self->nr = 1;
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self->ranges = g_new0(TestGBinderClientIfaceRange, 1);
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self->ranges[0].last_code = UINT_MAX;
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}
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return self;
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}
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return NULL;
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}
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GBinderClient*
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gbinder_client_ref(
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GBinderClient* self)
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{
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if (self) {
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g_assert_cmpint(self->refcount, > ,0);
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g_atomic_int_inc(&self->refcount);
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}
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return self;
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}
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void
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gbinder_client_unref(
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GBinderClient* self)
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{
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if (self) {
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g_assert_cmpint(self->refcount, > ,0);
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if (g_atomic_int_dec_and_test(&self->refcount)) {
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test_gbinder_client_free(self);
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}
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}
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}
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GBytes*
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gbinder_client_rpc_header(
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GBinderClient* self,
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guint32 code)
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{
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if (self) {
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const TestGBinderClientIfaceRange* r =
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test_gbinder_client_find_range(self, code);
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if (r) {
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return r->header;
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}
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}
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return NULL;
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}
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GBinderLocalRequest*
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gbinder_client_new_request2(
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GBinderClient* self,
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guint32 code)
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{
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if (self) {
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const TestGBinderClientIfaceRange* r =
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test_gbinder_client_find_range(self, code);
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if (r) {
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return test_gbinder_local_request_new(r->iface);
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}
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}
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return NULL;
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}
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GBinderRemoteReply*
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gbinder_client_transact_sync_reply(
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GBinderClient* self,
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guint32 code,
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GBinderLocalRequest* req,
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int* status)
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{
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return test_gbinder_client_transact_sync(self, code, 0, req, status);
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}
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int
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gbinder_client_transact_sync_oneway(
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GBinderClient* self,
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guint32 code,
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GBinderLocalRequest* req)
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{
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int status = -1;
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g_assert(!test_gbinder_client_transact_sync(self, code,
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GBINDER_TX_FLAG_ONEWAY, req, &status));
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return status;
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}
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gulong
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gbinder_client_transact(
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GBinderClient* self,
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guint32 code,
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guint32 flags,
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GBinderLocalRequest* req,
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GBinderClientReplyFunc reply,
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GDestroyNotify destroy,
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void* user_data)
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{
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gulong id = 0;
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if (self) {
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GBinderRemoteObject* obj = self->remote;
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if (!test_gbinder_remote_object_dead(obj)) {
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GBinderLocalRequest* tmp = NULL;
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if (!req) {
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const TestGBinderClientIfaceRange* r =
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test_gbinder_client_find_range(self, code);
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if (r) {
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req = tmp = test_gbinder_local_request_new(r->iface);
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}
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}
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if (req) {
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TestGBinderClientTx* tx = g_new0(TestGBinderClientTx, 1);
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tx->client = gbinder_client_ref(self);
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tx->code = code;
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tx->flags = flags;
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tx->req = gbinder_local_request_ref(req);
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tx->reply = reply;
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tx->destroy = destroy;
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tx->user_data = user_data;
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id = g_idle_add_full(G_PRIORITY_DEFAULT,
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test_gbinder_client_tx_handle, tx,
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test_gbinder_client_tx_destroy);
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}
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gbinder_local_request_unref(tmp);
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} else {
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GDEBUG("Refusing to perform transaction with a dead object");
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}
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}
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return id;
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}
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void
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gbinder_client_cancel(
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GBinderClient* self,
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gulong id)
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{
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if (id) {
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g_source_remove((guint)id);
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}
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}
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/*
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* Local Variables:
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* mode: C
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* c-basic-offset: 4
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* indent-tabs-mode: nil
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* End:
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*/
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