| 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 <abi/ipc/methods.h>
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| 39 | #include <async.h>
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| 40 | #include <ipc/ns.h>
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| 41 | #include <ipc/services.h>
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| 42 | #include <abi/ipc/interfaces.h>
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| 43 | #include <stdio.h>
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| 44 | #include <stdlib.h>
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| 45 | #include <errno.h>
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| 46 | #include <macros.h>
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| 47 | #include "ns.h"
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| 48 | #include "service.h"
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| 49 | #include "clonable.h"
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| 50 | #include "task.h"
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| 51 |
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| 52 | static void ns_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)
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| 53 | {
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| 54 | ipc_call_t call;
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| 55 | ipc_callid_t callid;
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| 56 | iface_t iface;
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| 57 | service_t service;
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| 58 |
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| 59 | iface = IPC_GET_ARG1(*icall);
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| 60 | service = IPC_GET_ARG2(*icall);
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| 61 | if (service != 0) {
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| 62 | /*
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| 63 | * Client requests to be connected to a service.
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| 64 | */
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| 65 | if (service_clonable(service)) {
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| 66 | connect_to_clonable(service, iface, icall, iid);
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| 67 | } else {
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| 68 | connect_to_service(service, iface, icall, iid);
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| 69 | }
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| 70 | return;
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| 71 | }
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| 72 |
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| 73 | async_answer_0(iid, EOK);
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| 74 |
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| 75 | while (true) {
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| 76 | process_pending_conn();
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| 77 |
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| 78 | callid = async_get_call(&call);
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| 79 | if (!IPC_GET_IMETHOD(call))
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| 80 | break;
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| 81 |
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| 82 | task_id_t id;
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| 83 | int retval;
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| 84 |
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| 85 | service_t service;
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| 86 | sysarg_t phone;
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| 87 |
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| 88 | switch (IPC_GET_IMETHOD(call)) {
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| 89 | case NS_REGISTER:
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| 90 | service = IPC_GET_ARG1(call);
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| 91 | phone = IPC_GET_ARG5(call);
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| 92 |
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| 93 | /*
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| 94 | * Server requests service registration.
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| 95 | */
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| 96 | if (service_clonable(service)) {
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| 97 | register_clonable(service, phone, &call, callid);
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| 98 | continue;
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| 99 | } else {
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| 100 | retval = register_service(service, phone, &call);
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| 101 | }
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| 102 |
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| 103 | break;
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| 104 | case NS_PING:
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| 105 | retval = EOK;
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| 106 | break;
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| 107 | case NS_TASK_WAIT:
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| 108 | id = (task_id_t)
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| 109 | MERGE_LOUP32(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
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| 110 | wait_for_task(id, &call, callid);
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| 111 | continue;
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| 112 | case NS_ID_INTRO:
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| 113 | retval = ns_task_id_intro(&call);
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| 114 | break;
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| 115 | case NS_RETVAL:
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| 116 | retval = ns_task_retval(&call);
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| 117 | break;
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| 118 | default:
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| 119 | printf("ns: method not supported\n");
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| 120 | retval = ENOTSUP;
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| 121 | break;
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| 122 | }
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| 123 |
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| 124 | async_answer_0(callid, retval);
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| 125 | }
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| 126 |
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| 127 | (void) ns_task_disconnect(&call);
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| 128 | }
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| 129 |
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| 130 | int main(int argc, char **argv)
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| 131 | {
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| 132 | printf("%s: HelenOS IPC Naming Service\n", NAME);
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| 133 |
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| 134 | int rc = service_init();
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| 135 | if (rc != EOK)
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| 136 | return EXIT_RC(rc);
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| 137 |
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| 138 | rc = clonable_init();
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| 139 | if (rc != EOK)
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| 140 | return EXIT_RC(rc);
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| 141 |
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| 142 | rc = task_init();
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| 143 | if (rc != EOK)
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| 144 | return EXIT_RC(rc);
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| 145 |
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| 146 | async_set_fallback_port_handler(ns_connection, NULL);
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| 147 |
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| 148 | printf("%s: Accepting connections\n", NAME);
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| 149 | async_manager();
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| 150 |
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| 151 | /* Not reached */
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| 152 | return 0;
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| 153 | }
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| 154 |
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| 155 | /**
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| 156 | * @}
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| 157 | */
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