| 1 | /*
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| 2 | * Copyright (c) 2019 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libc
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | * @brief Display protocol server stub
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| 35 | */
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| 36 |
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| 37 | #include <disp_srv.h>
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| 38 | #include <errno.h>
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| 39 | #include <ipc/display.h>
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| 40 | #include <stdlib.h>
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| 41 | #include <stddef.h>
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| 42 |
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| 43 | static void display_window_create_srv(display_srv_t *srv, ipc_call_t *icall)
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| 44 | {
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| 45 | sysarg_t wnd_id;
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| 46 | errno_t rc;
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| 47 |
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| 48 | if (srv->ops->window_create == NULL) {
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| 49 | async_answer_0(icall, ENOTSUP);
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| 50 | return;
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| 51 | }
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| 52 |
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| 53 | rc = srv->ops->window_create(srv->arg, &wnd_id);
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| 54 | async_answer_1(icall, rc, wnd_id);
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| 55 | }
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| 56 |
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| 57 | static void display_window_destroy_srv(display_srv_t *srv, ipc_call_t *icall)
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| 58 | {
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| 59 | sysarg_t wnd_id;
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| 60 | errno_t rc;
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| 61 |
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| 62 | wnd_id = ipc_get_arg1(icall);
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| 63 |
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| 64 | if (srv->ops->window_create == NULL) {
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| 65 | async_answer_0(icall, ENOTSUP);
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| 66 | return;
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| 67 | }
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| 68 |
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| 69 | rc = srv->ops->window_destroy(srv->arg, wnd_id);
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| 70 | async_answer_0(icall, rc);
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| 71 | }
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| 72 |
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| 73 | void display_conn(ipc_call_t *icall, display_srv_t *srv)
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| 74 | {
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| 75 | /* Accept the connection */
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| 76 | async_accept_0(icall);
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| 77 |
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| 78 | while (true) {
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| 79 | ipc_call_t call;
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| 80 |
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| 81 | async_get_call(&call);
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| 82 | sysarg_t method = ipc_get_imethod(&call);
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| 83 |
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| 84 | if (!method) {
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| 85 | /* The other side has hung up */
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| 86 | async_answer_0(&call, EOK);
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| 87 | break;
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| 88 | }
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| 89 |
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| 90 | switch (method) {
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| 91 | case DISPLAY_WINDOW_CREATE:
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| 92 | display_window_create_srv(srv, &call);
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| 93 | break;
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| 94 | case DISPLAY_WINDOW_DESTROY:
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| 95 | display_window_destroy_srv(srv, &call);
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| 96 | break;
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| 97 | default:
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| 98 | async_answer_0(&call, ENOTSUP);
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| 99 | }
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| 100 | }
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| 101 | }
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| 102 |
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| 103 | /** @}
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| 104 | */
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