1 /* 2 * A dataspace server exposing file contents accessed via the filesystem client 3 * interface. 4 * 5 * Copyright (C) 2020, 2021 Paul Boddie <paul@boddie.org.uk> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA 21 */ 22 23 #include <l4/sys/err.h> 24 25 #include <ipc/thread.h> 26 27 #include <stdio.h> 28 #include <stdlib.h> 29 30 #include <mem/memory_incremental.h> 31 #include <fsserver/page_queue_shared.h> 32 #include <fsserver/pages.h> 33 #include <fsserver/resource_server.h> 34 #include <fsserver/client_file_opener.h> 35 36 37 38 /* Default number of pages for files. */ 39 40 const unsigned int MEMORY_PAGES = 20; 41 42 43 44 /* Server program. */ 45 46 int main(int argc, char *argv[]) 47 { 48 long err; 49 50 /* Introduce concurrency control. */ 51 52 err = ipc_thread_init(); 53 54 if (err) 55 { 56 printf("Initialisation error: %s\n", l4sys_errtostr(err)); 57 return 1; 58 } 59 60 unsigned int memory_pages = MEMORY_PAGES; 61 62 if (argc > 1) 63 memory_pages = atoi(argv[1]); 64 65 /* Some memory plus infrastructure. */ 66 67 MemoryIncremental mem(memory_pages); 68 PageQueueShared queue; 69 Pages pages(&mem, &queue); 70 ResourceRegistry registry(&pages); 71 ClientFileOpener opener(®istry); 72 73 /* Register a server associating it with the given object. */ 74 75 const char *server_name = (argc > 2) ? argv[2] : "server"; 76 77 ResourceServer server(&opener); 78 err = server.bind(server_name); 79 80 if (err) 81 { 82 printf("Could not bind server: %s\n", l4sys_errtostr(err)); 83 return 1; 84 } 85 86 printf("Starting server using %d pages...\n", memory_pages); 87 server.start(); 88 return 0; 89 }