| 1 | /*
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| 2 | * Copyright (c) 2006 Ondrej Palkovsky
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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 ns
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | /**
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| 34 | * @file ns.c
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| 35 | * @brief Naming service for HelenOS IPC.
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| 36 | */
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| 37 |
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| 38 | #include <ipc/ipc.h>
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| 39 | #include <ipc/ns.h>
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| 40 | #include <ipc/services.h>
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| 41 | #include <stdio.h>
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| 42 | #include <errno.h>
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| 43 | #include <macros.h>
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| 44 | #include "ns.h"
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| 45 | #include "service.h"
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| 46 | #include "clonable.h"
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| 47 | #include "task.h"
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| 48 |
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| 49 | int main(int argc, char **argv)
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| 50 | {
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| 51 | printf("%s: HelenOS IPC Naming Service\n", NAME);
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| 52 |
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| 53 | int rc = service_init();
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| 54 | if (rc != EOK)
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| 55 | return rc;
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| 56 |
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| 57 | rc = clonable_init();
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| 58 | if (rc != EOK)
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| 59 | return rc;
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| 60 |
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| 61 | rc = task_init();
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| 62 | if (rc != EOK)
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| 63 | return rc;
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| 64 |
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| 65 | printf("%s: Accepting connections\n", NAME);
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| 66 |
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| 67 | while (true) {
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| 68 | process_pending_conn();
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| 69 |
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| 70 | ipc_call_t call;
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| 71 | ipc_callid_t callid = ipc_wait_for_call(&call);
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| 72 |
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| 73 | task_id_t id;
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| 74 | sysarg_t retval;
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| 75 |
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| 76 | service_t service;
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| 77 | sysarg_t phone;
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| 78 |
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| 79 | switch (IPC_GET_IMETHOD(call)) {
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| 80 | case IPC_M_PHONE_HUNGUP:
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| 81 | retval = ns_task_disconnect(&call);
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| 82 | break;
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| 83 | case IPC_M_CONNECT_TO_ME:
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| 84 | service = IPC_GET_ARG1(call);
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| 85 | phone = IPC_GET_ARG5(call);
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| 86 |
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| 87 | /*
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| 88 | * Server requests service registration.
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| 89 | */
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| 90 | if (service_clonable(service)) {
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| 91 | register_clonable(service, phone, &call, callid);
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| 92 | continue;
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| 93 | } else
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| 94 | retval = register_service(service, phone, &call);
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| 95 |
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| 96 | break;
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| 97 | case IPC_M_CONNECT_ME_TO:
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| 98 | service = IPC_GET_ARG1(call);
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| 99 |
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| 100 | /*
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| 101 | * Client requests to be connected to a service.
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| 102 | */
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| 103 | if (service_clonable(service)) {
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| 104 | connect_to_clonable(service, &call, callid);
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| 105 | continue;
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| 106 | } else {
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| 107 | connect_to_service(service, &call, callid);
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| 108 | continue;
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| 109 | }
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| 110 | break;
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| 111 | case NS_PING:
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| 112 | retval = EOK;
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| 113 | break;
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| 114 | case NS_TASK_WAIT:
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| 115 | id = (task_id_t)
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| 116 | MERGE_LOUP32(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
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| 117 | wait_for_task(id, &call, callid);
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| 118 | continue;
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| 119 | case NS_ID_INTRO:
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| 120 | retval = ns_task_id_intro(&call);
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| 121 | break;
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| 122 | case NS_RETVAL:
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| 123 | retval = ns_task_retval(&call);
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| 124 | break;
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| 125 | default:
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| 126 | retval = ENOENT;
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| 127 | break;
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| 128 | }
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| 129 |
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| 130 | if (!(callid & IPC_CALLID_NOTIFICATION))
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| 131 | ipc_answer_0(callid, retval);
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| 132 | }
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| 133 |
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| 134 | /* Not reached */
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| 135 | return 0;
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| 136 | }
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| 137 |
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| 138 | /**
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| 139 | * @}
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| 140 | */
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