| 0,0 → 1,187 |
|---|
| /* |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup ns |
| * @{ |
| */ |
| |
| /** |
| * @file ns.c |
| * @brief Naming service for HelenOS IPC. |
| */ |
| |
| #include <ipc/ipc.h> |
| #include <ipc/services.h> |
| #include <ipc/ns.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <as.h> |
| #include <ddi.h> |
| #include <event.h> |
| #include <macros.h> |
| #include <sysinfo.h> |
| #include "ns.h" |
| #include "service.h" |
| #include "clonable.h" |
| #include "task.h" |
| |
| static void *clockaddr = NULL; |
| static void *klogaddr = NULL; |
| |
| static void get_as_area(ipc_callid_t callid, ipc_call_t *call, void *ph_addr, |
| size_t pages, void **addr) |
| { |
| if (ph_addr == NULL) { |
| ipc_answer_0(callid, ENOENT); |
| return; |
| } |
| |
| if (*addr == NULL) { |
| *addr = as_get_mappable_page(pages * PAGE_SIZE); |
| |
| if (*addr == NULL) { |
| ipc_answer_0(callid, ENOENT); |
| return; |
| } |
| |
| if (physmem_map(ph_addr, *addr, pages, |
| AS_AREA_READ | AS_AREA_CACHEABLE) != 0) { |
| ipc_answer_0(callid, ENOENT); |
| return; |
| } |
| } |
| |
| ipc_answer_2(callid, EOK, (ipcarg_t) *addr, AS_AREA_READ); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| printf(NAME ": HelenOS IPC Naming Service\n"); |
| |
| int rc = service_init(); |
| if (rc != EOK) |
| return rc; |
| |
| rc = clonable_init(); |
| if (rc != EOK) |
| return rc; |
| |
| rc = task_init(); |
| if (rc != EOK) |
| return rc; |
| |
| printf(NAME ": Accepting connections\n"); |
| |
| while (true) { |
| process_pending_conn(); |
| process_pending_wait(); |
| |
| ipc_call_t call; |
| ipc_callid_t callid = ipc_wait_for_call(&call); |
| |
| task_id_t id; |
| ipcarg_t retval; |
| |
| switch (IPC_GET_METHOD(call)) { |
| case IPC_M_SHARE_IN: |
| switch (IPC_GET_ARG3(call)) { |
| case SERVICE_MEM_REALTIME: |
| get_as_area(callid, &call, |
| (void *) sysinfo_value("clock.faddr"), |
| 1, &clockaddr); |
| break; |
| case SERVICE_MEM_KLOG: |
| get_as_area(callid, &call, |
| (void *) sysinfo_value("klog.faddr"), |
| sysinfo_value("klog.pages"), &klogaddr); |
| break; |
| default: |
| ipc_answer_0(callid, ENOENT); |
| } |
| continue; |
| case IPC_M_PHONE_HUNGUP: |
| retval = ns_task_disconnect(&call); |
| break; |
| case IPC_M_CONNECT_TO_ME: |
| /* |
| * Server requests service registration. |
| */ |
| if (service_clonable(IPC_GET_ARG1(call))) { |
| register_clonable(IPC_GET_ARG1(call), |
| IPC_GET_ARG5(call), &call, callid); |
| continue; |
| } else { |
| retval = register_service(IPC_GET_ARG1(call), |
| IPC_GET_ARG5(call), &call); |
| } |
| break; |
| case IPC_M_CONNECT_ME_TO: |
| /* |
| * Client requests to be connected to a service. |
| */ |
| if (service_clonable(IPC_GET_ARG1(call))) { |
| connect_to_clonable(IPC_GET_ARG1(call), |
| &call, callid); |
| continue; |
| } else { |
| connect_to_service(IPC_GET_ARG1(call), &call, |
| callid); |
| continue; |
| } |
| break; |
| case NS_PING: |
| retval = EOK; |
| break; |
| case NS_TASK_WAIT: |
| id = (task_id_t) |
| MERGE_LOUP32(IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
| wait_for_task(id, &call, callid); |
| continue; |
| case NS_ID_INTRO: |
| retval = ns_task_id_intro(&call); |
| break; |
| case NS_RETVAL: |
| retval = ns_task_retval(&call); |
| break; |
| default: |
| retval = ENOENT; |
| break; |
| } |
| |
| if (!(callid & IPC_CALLID_NOTIFICATION)) |
| ipc_answer_0(callid, retval); |
| } |
| |
| /* Not reached */ |
| return 0; |
| } |
| |
| /** |
| * @} |
| */ |