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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup ns |
29 | /** @addtogroup ns |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** |
33 | /** |
34 | * @file ns.c |
34 | * @file ns.c |
35 | * @brief Naming service for HelenOS IPC. |
35 | * @brief Naming service for HelenOS IPC. |
36 | */ |
36 | */ |
37 | 37 | ||
38 | #include <ipc/ipc.h> |
38 | #include <ipc/ipc.h> |
39 | #include <ipc/services.h> |
39 | #include <ipc/services.h> |
40 | #include <ipc/ns.h> |
40 | #include <ipc/ns.h> |
41 | #include <unistd.h> |
41 | #include <unistd.h> |
42 | #include <stdio.h> |
42 | #include <stdio.h> |
43 | #include <errno.h> |
43 | #include <errno.h> |
44 | #include <as.h> |
44 | #include <as.h> |
45 | #include <ddi.h> |
45 | #include <ddi.h> |
46 | #include <event.h> |
46 | #include <event.h> |
47 | #include <macros.h> |
47 | #include <macros.h> |
48 | #include <sysinfo.h> |
48 | #include <sysinfo.h> |
49 | #include "ns.h" |
49 | #include "ns.h" |
50 | #include "service.h" |
50 | #include "service.h" |
51 | #include "clonable.h" |
51 | #include "clonable.h" |
52 | #include "task.h" |
52 | #include "task.h" |
53 | 53 | ||
54 | static void *clockaddr = NULL; |
54 | static void *clockaddr = NULL; |
55 | static void *klogaddr = NULL; |
55 | static void *klogaddr = NULL; |
56 | 56 | ||
57 | static void get_as_area(ipc_callid_t callid, ipc_call_t *call, void *ph_addr, |
57 | static void get_as_area(ipc_callid_t callid, ipc_call_t *call, void *ph_addr, |
58 | size_t pages, void **addr) |
58 | size_t pages, void **addr) |
59 | { |
59 | { |
60 | if (ph_addr == NULL) { |
60 | if (ph_addr == NULL) { |
61 | ipc_answer_0(callid, ENOENT); |
61 | ipc_answer_0(callid, ENOENT); |
62 | return; |
62 | return; |
63 | } |
63 | } |
64 | 64 | ||
65 | if (*addr == NULL) { |
65 | if (*addr == NULL) { |
66 | *addr = as_get_mappable_page(pages * PAGE_SIZE); |
66 | *addr = as_get_mappable_page(pages * PAGE_SIZE); |
67 | 67 | ||
68 | if (*addr == NULL) { |
68 | if (*addr == NULL) { |
69 | ipc_answer_0(callid, ENOENT); |
69 | ipc_answer_0(callid, ENOENT); |
70 | return; |
70 | return; |
71 | } |
71 | } |
72 | 72 | ||
73 | if (physmem_map(ph_addr, *addr, pages, |
73 | if (physmem_map(ph_addr, *addr, pages, |
74 | AS_AREA_READ | AS_AREA_CACHEABLE) != 0) { |
74 | AS_AREA_READ | AS_AREA_CACHEABLE) != 0) { |
75 | ipc_answer_0(callid, ENOENT); |
75 | ipc_answer_0(callid, ENOENT); |
76 | return; |
76 | return; |
77 | } |
77 | } |
78 | } |
78 | } |
79 | 79 | ||
80 | ipc_answer_2(callid, EOK, (ipcarg_t) *addr, AS_AREA_READ); |
80 | ipc_answer_2(callid, EOK, (ipcarg_t) *addr, AS_AREA_READ); |
81 | } |
81 | } |
82 | 82 | ||
83 | int main(int argc, char **argv) |
83 | int main(int argc, char **argv) |
84 | { |
84 | { |
85 | printf(NAME ": HelenOS IPC Naming Service\n"); |
85 | printf(NAME ": HelenOS IPC Naming Service\n"); |
86 | 86 | ||
87 | int rc = service_init(); |
87 | int rc = service_init(); |
88 | if (rc != EOK) |
88 | if (rc != EOK) |
89 | return rc; |
89 | return rc; |
90 | 90 | ||
91 | rc = clonable_init(); |
91 | rc = clonable_init(); |
92 | if (rc != EOK) |
92 | if (rc != EOK) |
93 | return rc; |
93 | return rc; |
94 | 94 | ||
95 | rc = task_init(); |
95 | rc = task_init(); |
96 | if (rc != EOK) |
96 | if (rc != EOK) |
97 | return rc; |
97 | return rc; |
98 | 98 | ||
99 | printf(NAME ": Accepting connections\n"); |
99 | printf(NAME ": Accepting connections\n"); |
100 | 100 | ||
101 | while (true) { |
101 | while (true) { |
102 | process_pending_conn(); |
102 | process_pending_conn(); |
103 | process_pending_wait(); |
103 | process_pending_wait(); |
104 | 104 | ||
105 | ipc_call_t call; |
105 | ipc_call_t call; |
106 | ipc_callid_t callid = ipc_wait_for_call(&call); |
106 | ipc_callid_t callid = ipc_wait_for_call(&call); |
107 | 107 | ||
108 | task_id_t id; |
108 | task_id_t id; |
109 | ipcarg_t retval; |
109 | ipcarg_t retval; |
110 | 110 | ||
111 | if (callid & IPC_CALLID_NOTIFICATION) { |
- | |
112 | id = (task_id_t) |
- | |
113 | MERGE_LOUP32(IPC_GET_ARG2(call), IPC_GET_ARG3(call)); |
- | |
114 | wait_notification((wait_type_t) IPC_GET_ARG1(call), id); |
- | |
115 | continue; |
- | |
116 | } |
- | |
117 | - | ||
118 | switch (IPC_GET_METHOD(call)) { |
111 | switch (IPC_GET_METHOD(call)) { |
119 | case IPC_M_SHARE_IN: |
112 | case IPC_M_SHARE_IN: |
120 | switch (IPC_GET_ARG3(call)) { |
113 | switch (IPC_GET_ARG3(call)) { |
121 | case SERVICE_MEM_REALTIME: |
114 | case SERVICE_MEM_REALTIME: |
122 | get_as_area(callid, &call, |
115 | get_as_area(callid, &call, |
123 | (void *) sysinfo_value("clock.faddr"), |
116 | (void *) sysinfo_value("clock.faddr"), |
124 | 1, &clockaddr); |
117 | 1, &clockaddr); |
125 | break; |
118 | break; |
126 | case SERVICE_MEM_KLOG: |
119 | case SERVICE_MEM_KLOG: |
127 | get_as_area(callid, &call, |
120 | get_as_area(callid, &call, |
128 | (void *) sysinfo_value("klog.faddr"), |
121 | (void *) sysinfo_value("klog.faddr"), |
129 | sysinfo_value("klog.pages"), &klogaddr); |
122 | sysinfo_value("klog.pages"), &klogaddr); |
130 | break; |
123 | break; |
131 | default: |
124 | default: |
132 | ipc_answer_0(callid, ENOENT); |
125 | ipc_answer_0(callid, ENOENT); |
133 | } |
126 | } |
134 | continue; |
127 | continue; |
135 | case IPC_M_PHONE_HUNGUP: |
128 | case IPC_M_PHONE_HUNGUP: |
136 | retval = ns_task_disconnect(&call); |
129 | retval = ns_task_disconnect(&call); |
137 | break; |
130 | break; |
138 | case IPC_M_CONNECT_TO_ME: |
131 | case IPC_M_CONNECT_TO_ME: |
139 | /* |
132 | /* |
140 | * Server requests service registration. |
133 | * Server requests service registration. |
141 | */ |
134 | */ |
142 | if (service_clonable(IPC_GET_ARG1(call))) { |
135 | if (service_clonable(IPC_GET_ARG1(call))) { |
143 | register_clonable(IPC_GET_ARG1(call), |
136 | register_clonable(IPC_GET_ARG1(call), |
144 | IPC_GET_ARG5(call), &call, callid); |
137 | IPC_GET_ARG5(call), &call, callid); |
145 | continue; |
138 | continue; |
146 | } else { |
139 | } else { |
147 | retval = register_service(IPC_GET_ARG1(call), |
140 | retval = register_service(IPC_GET_ARG1(call), |
148 | IPC_GET_ARG5(call), &call); |
141 | IPC_GET_ARG5(call), &call); |
149 | } |
142 | } |
150 | break; |
143 | break; |
151 | case IPC_M_CONNECT_ME_TO: |
144 | case IPC_M_CONNECT_ME_TO: |
152 | /* |
145 | /* |
153 | * Client requests to be connected to a service. |
146 | * Client requests to be connected to a service. |
154 | */ |
147 | */ |
155 | if (service_clonable(IPC_GET_ARG1(call))) { |
148 | if (service_clonable(IPC_GET_ARG1(call))) { |
156 | connect_to_clonable(IPC_GET_ARG1(call), |
149 | connect_to_clonable(IPC_GET_ARG1(call), |
157 | &call, callid); |
150 | &call, callid); |
158 | continue; |
151 | continue; |
159 | } else { |
152 | } else { |
160 | connect_to_service(IPC_GET_ARG1(call), &call, |
153 | connect_to_service(IPC_GET_ARG1(call), &call, |
161 | callid); |
154 | callid); |
162 | continue; |
155 | continue; |
163 | } |
156 | } |
164 | break; |
157 | break; |
165 | case NS_PING: |
158 | case NS_PING: |
166 | retval = EOK; |
159 | retval = EOK; |
167 | break; |
160 | break; |
168 | case NS_TASK_WAIT: |
161 | case NS_TASK_WAIT: |
169 | id = (task_id_t) |
162 | id = (task_id_t) |
170 | MERGE_LOUP32(IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
163 | MERGE_LOUP32(IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
171 | wait_for_task(id, &call, callid); |
164 | wait_for_task(id, &call, callid); |
172 | continue; |
165 | continue; |
173 | case NS_ID_INTRO: |
166 | case NS_ID_INTRO: |
174 | retval = ns_task_id_intro(&call); |
167 | retval = ns_task_id_intro(&call); |
175 | break; |
168 | break; |
176 | case NS_RETVAL: |
169 | case NS_RETVAL: |
177 | retval = ns_task_retval(&call); |
170 | retval = ns_task_retval(&call); |
178 | break; |
171 | break; |
179 | default: |
172 | default: |
180 | retval = ENOENT; |
173 | retval = ENOENT; |
181 | break; |
174 | break; |
182 | } |
175 | } |
183 | 176 | ||
184 | if (!(callid & IPC_CALLID_NOTIFICATION)) |
177 | if (!(callid & IPC_CALLID_NOTIFICATION)) |
185 | ipc_answer_0(callid, retval); |
178 | ipc_answer_0(callid, retval); |
186 | } |
179 | } |
187 | 180 | ||
188 | /* Not reached */ |
181 | /* Not reached */ |
189 | return 0; |
182 | return 0; |
190 | } |
183 | } |
191 | 184 | ||
192 | /** |
185 | /** |
193 | * @} |
186 | * @} |
194 | */ |
187 | */ |
195 | 188 |