Mercurial > illumos > onarm
annotate usr/src/cmd/iscsi/iscsitgtd/mgmt.c @ 4:1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
| author | Koji Uno <koji.uno@sun.com> |
|---|---|
| date | Mon, 31 Aug 2009 14:38:03 +0900 |
| parents | c9caec207d52 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
| 5 * Common Development and Distribution License (the "License"). | |
| 6 * You may not use this file except in compliance with the License. | |
| 7 * | |
| 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 * or http://www.opensolaris.org/os/licensing. | |
| 10 * See the License for the specific language governing permissions | |
| 11 * and limitations under the License. | |
| 12 * | |
| 13 * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 * If applicable, add the following below this CDDL HEADER, with the | |
| 16 * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 * | |
| 19 * CDDL HEADER END | |
| 20 */ | |
| 21 | |
| 22 /* | |
| 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. | |
| 24 * Use is subject to license terms. | |
| 25 */ | |
| 26 | |
|
4
1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
Koji Uno <koji.uno@sun.com>
parents:
0
diff
changeset
|
27 #pragma ident "%Z%%M% %I% %E% SMI" |
| 0 | 28 |
| 29 #include <stdio.h> | |
| 30 #include <unistd.h> | |
| 31 #include <strings.h> | |
| 32 #include <stdlib.h> | |
| 33 #include <poll.h> | |
| 34 #include <sys/types.h> | |
| 35 #include <sys/socket.h> | |
| 36 #include <sys/select.h> | |
| 37 #include <netinet/in.h> | |
| 38 #include <sys/filio.h> | |
| 39 #include <utility.h> | |
| 40 #include <synch.h> | |
| 41 #include <sys/stropts.h> | |
| 42 #include <libxml/xmlreader.h> | |
| 43 #include <iscsitgt_impl.h> | |
| 44 | |
| 45 #include "queue.h" | |
| 46 #include "port.h" | |
| 47 #include "utility.h" | |
| 48 | |
| 49 static void | |
| 50 mgmt_monitor_queue(port_args_t *p) | |
| 51 { | |
| 52 target_queue_t *in = p->port_dataq; | |
| 53 msg_t *m; | |
| 54 int process = True; | |
| 55 char *data, | |
| 56 *output; | |
| 57 | |
| 58 do { | |
| 59 m = queue_message_get(in); | |
| 60 switch (m->msg_type) { | |
| 61 case msg_conn_lost: | |
| 62 process = False; | |
| 63 break; | |
| 64 | |
| 65 case msg_log: | |
| 66 data = (char *)m->msg_data; | |
| 67 output = NULL; | |
| 68 tgt_buf_add(&output, "log", data); | |
| 69 (void) write(p->port_socket, output, strlen(output)); | |
| 70 free(output); | |
| 71 break; | |
| 72 | |
| 73 case msg_mgmt_rply: | |
| 74 data = (char *)m->msg_data; | |
| 75 output = NULL; | |
| 76 tgt_buf_add(&output, "mgmt", data); | |
| 77 (void) write(p->port_socket, output, strlen(output)); | |
| 78 free(output); | |
| 79 free(data); | |
| 80 m->msg_data = NULL; | |
| 81 break; | |
| 82 | |
| 83 default: | |
| 84 break; | |
| 85 } | |
| 86 | |
| 87 if (m->msg_data) | |
| 88 free(m->msg_data); | |
| 89 queue_message_free(m); | |
| 90 | |
| 91 } while (process == True); | |
| 92 } | |
| 93 | |
| 94 static void * | |
| 95 mgmt_process(void *v) | |
| 96 { | |
| 97 port_args_t *p = (port_args_t *)v; | |
| 98 int nbytes, | |
| 99 nmsgs, | |
| 100 pval, | |
| 101 ret; | |
| 102 char *buf; | |
| 103 nfds_t nfds = 1; | |
| 104 struct pollfd fds[1]; | |
| 105 xmlTextReaderPtr r; | |
| 106 tgt_node_t *node = NULL; | |
| 107 mgmt_request_t m; | |
| 108 | |
| 109 fds[0].fd = p->port_socket; | |
| 110 fds[0].events = POLLIN; | |
| 111 | |
| 112 m.m_q = p->port_dataq; | |
| 113 m.m_request = mgmt_parse_xml; | |
| 114 m.m_time = time(NULL); | |
| 115 m.m_targ_name = NULL; | |
| 116 | |
| 117 while ((pval = poll(fds, nfds, -1)) != -1) { | |
| 118 if ((nmsgs = ioctl(p->port_socket, FIONREAD, &nbytes)) == -1) { | |
| 119 | |
| 120 queue_message_set(p->port_dataq, 0, msg_conn_lost, 0); | |
| 121 break; | |
| 122 | |
| 123 } else if ((nmsgs == 0) && (nbytes == 0)) { | |
| 124 | |
| 125 queue_message_set(p->port_dataq, 0, msg_conn_lost, 0); | |
| 126 break; | |
| 127 | |
| 128 } else if ((buf = malloc(nbytes)) == NULL) { | |
| 129 | |
| 130 queue_message_set(p->port_dataq, 0, msg_conn_lost, 0); | |
| 131 break; | |
| 132 | |
| 133 } else if (read(p->port_socket, buf, nbytes) != nbytes) { | |
| 134 | |
| 135 queue_message_set(p->port_dataq, 0, msg_conn_lost, 0); | |
| 136 break; | |
| 137 | |
| 138 } | |
| 139 | |
| 140 buf[nbytes] = '\0'; | |
| 141 r = (xmlTextReaderPtr)xmlReaderForMemory(buf, nbytes, | |
| 142 NULL, NULL, 0); | |
| 143 if (r != NULL) { | |
| 144 ret = xmlTextReaderRead(r); | |
| 145 while (ret == 1) { | |
| 146 if (tgt_node_process(r, &node) == False) | |
| 147 break; | |
| 148 ret = xmlTextReaderRead(r); | |
| 149 } | |
| 150 if (node != NULL) { | |
| 151 m.m_u.m_node = node; | |
| 152 queue_message_set(p->port_mgmtq, 0, | |
| 153 msg_mgmt_rqst, &m); | |
| 154 } | |
| 155 xmlFreeTextReader(r); | |
| 156 tgt_node_free(node); | |
| 157 node = NULL; | |
| 158 } | |
| 159 | |
| 160 } | |
| 161 | |
| 162 if (pval == -1) | |
| 163 queue_message_set(p->port_dataq, 0, msg_conn_lost, 0); | |
| 164 (void) close(p->port_socket); | |
| 165 p->port_socket = -1; | |
| 166 return (NULL); | |
| 167 } | |
| 168 | |
| 169 void * | |
| 170 port_management(void *v) | |
| 171 { | |
| 172 int s, | |
| 173 fd, | |
| 174 on = 1; | |
| 175 struct sockaddr_in sin_ip; | |
| 176 struct sockaddr_in6 sin6_ip; | |
| 177 socklen_t fromlen; | |
| 178 struct sockaddr_storage from; | |
| 179 port_args_t *p = (port_args_t *)v; | |
| 180 target_queue_t *q = p->port_mgmtq; | |
| 181 int l; | |
| 182 pthread_t junk; | |
| 183 char debug[80]; | |
| 184 | |
| 185 if ((s = socket(PF_INET6, SOCK_STREAM, 0)) == -1) { | |
| 186 if ((s = socket(PF_INET, SOCK_STREAM, 0)) == -1) { | |
| 187 queue_str(q, Q_GEN_ERRS, msg_status, | |
| 188 "Can't open socket"); | |
| 189 return (NULL); | |
| 190 } else { | |
| 191 | |
| 192 bzero(&sin_ip, sizeof (sin_ip)); | |
| 193 sin_ip.sin_family = AF_INET; | |
| 194 sin_ip.sin_port = htons(p->port_num); | |
| 195 sin_ip.sin_addr.s_addr = INADDR_ANY; | |
| 196 | |
| 197 (void) setsockopt(s, SOL_SOCKET, SO_REUSEADDR, | |
| 198 (char *)&on, sizeof (on)); | |
| 199 | |
| 200 if ((bind(s, (struct sockaddr *)&sin_ip, | |
| 201 sizeof (sin_ip))) < 0) { | |
| 202 (void) snprintf(debug, sizeof (debug), | |
| 203 "bind on port %d failed\n", p->port_num); | |
| 204 queue_str(q, Q_GEN_ERRS, msg_status, debug); | |
| 205 return (NULL); | |
| 206 } | |
| 207 } | |
| 208 } else { | |
| 209 | |
| 210 bzero(&sin6_ip, sizeof (sin6_ip)); | |
| 211 sin6_ip.sin6_family = AF_INET6; | |
| 212 sin6_ip.sin6_port = htons(p->port_num); | |
| 213 sin6_ip.sin6_addr = in6addr_any; | |
| 214 | |
| 215 (void) setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&on, | |
| 216 sizeof (on)); | |
| 217 | |
| 218 if ((bind(s, (struct sockaddr *)&sin6_ip, sizeof (sin6_ip))) | |
| 219 < 0) { | |
| 220 (void) snprintf(debug, sizeof (debug), | |
| 221 "bind on port %d failed\n", | |
| 222 p->port_num); | |
| 223 queue_str(q, Q_GEN_ERRS, msg_status, debug); | |
| 224 return (NULL); | |
| 225 } | |
| 226 } | |
| 227 | |
| 228 if (listen(s, 5) < 0) { | |
| 229 queue_str(q, Q_GEN_ERRS, msg_status, "listen failed"); | |
| 230 return (NULL); | |
| 231 } | |
| 232 | |
| 233 /*CONSTANTCONDITION*/ | |
| 234 while (1) { | |
| 235 fromlen = sizeof (from); | |
| 236 if ((fd = accept(s, (struct sockaddr *)&from, | |
| 237 &fromlen)) < 0) { | |
| 238 queue_str(q, Q_GEN_ERRS, msg_status, "accept failed"); | |
| 239 return (NULL); | |
| 240 } | |
| 241 | |
| 242 l = 128 * 1024; | |
| 243 if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (char *)&l, | |
| 244 sizeof (l)) < 0) | |
| 245 queue_str(q, Q_GEN_ERRS, msg_status, | |
| 246 "setsockopt failed"); | |
| 247 | |
| 248 if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (char *)&l, | |
| 249 sizeof (l)) < 0) | |
| 250 queue_str(q, Q_GEN_ERRS, msg_status, | |
| 251 "setsockopt failed"); | |
| 252 | |
| 253 | |
| 254 p->port_socket = fd; | |
| 255 (void) pthread_create(&junk, NULL, mgmt_process, p); | |
| 256 | |
| 257 mgmt_monitor_queue(p); | |
| 258 } | |
| 259 return (NULL); | |
| 260 } |