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| Rev 1501 | Rev 1531 | ||
|---|---|---|---|
| Line 99... | Line 99... | ||
| 99 | ipc_callid_t callid; |
99 | ipc_callid_t callid; |
| 100 | char *as_area; |
100 | char *as_area; |
| 101 | 101 | ||
| 102 | ipcarg_t retval, arg1, arg2; |
102 | ipcarg_t retval, arg1, arg2; |
| 103 | 103 | ||
| 104 | // printf("%s: Naming service started.\n", NAME); |
- | |
| 105 | - | ||
| 106 | if (!hash_table_create(&ns_hash_table, NS_HASH_TABLE_CHAINS, 3, &ns_hash_table_ops)) { |
104 | if (!hash_table_create(&ns_hash_table, NS_HASH_TABLE_CHAINS, 3, &ns_hash_table_ops)) { |
| 107 | // printf("%s: cannot create hash table\n", NAME); |
- | |
| 108 | return ENOMEM; |
105 | return ENOMEM; |
| 109 | } |
106 | } |
| 110 | 107 | ||
| 111 | while (1) { |
108 | while (1) { |
| 112 | callid = ipc_wait_for_call(&call); |
109 | callid = ipc_wait_for_call(&call); |
| 113 | // printf("NS: Call in_phone_hash=%lX...", call.in_phone_hash); |
- | |
| 114 | switch (IPC_GET_METHOD(call)) { |
110 | switch (IPC_GET_METHOD(call)) { |
| 115 | case IPC_M_AS_AREA_SEND: |
- | |
| 116 | as_area = (char *)IPC_GET_ARG1(call); |
- | |
| 117 | // printf("Received as_area: %P, size:%d\n", as_area, IPC_GET_ARG2(call)); |
- | |
| 118 | retval = ipc_answer_fast(callid, 0,(sysarg_t)(1024*1024), 0); |
- | |
| 119 | if (!retval) { |
- | |
| 120 | // printf("Reading shared memory..."); |
- | |
| 121 | // printf("Text: %s", as_area); |
- | |
| 122 | } else |
- | |
| 123 | // printf("Failed answer: %d\n", retval); |
- | |
| 124 | continue; |
- | |
| 125 | case IPC_M_AS_AREA_RECV: |
111 | case IPC_M_AS_AREA_RECV: |
| 126 | get_realtime_as(callid, &call); |
112 | get_realtime_as(callid, &call); |
| 127 | continue; |
113 | continue; |
| 128 | case IPC_M_INTERRUPT: |
- | |
| 129 | break; |
- | |
| 130 | case IPC_M_PHONE_HUNGUP: |
114 | case IPC_M_PHONE_HUNGUP: |
| 131 | retval = 0; |
115 | retval = 0; |
| 132 | break; |
116 | break; |
| 133 | case IPC_M_CONNECT_TO_ME: |
117 | case IPC_M_CONNECT_TO_ME: |
| 134 | /* |
118 | /* |
| 135 | * Server requests service registration. |
119 | * Server requests service registration. |
| 136 | */ |
120 | */ |
| 137 | retval = register_service(IPC_GET_ARG1(call), IPC_GET_ARG3(call), &call); |
121 | retval = register_service(IPC_GET_ARG1(call), IPC_GET_ARG3(call), &call); |
| 138 | ping_phone = IPC_GET_ARG3(call); |
- | |
| 139 | break; |
122 | break; |
| 140 | case IPC_M_CONNECT_ME_TO: |
123 | case IPC_M_CONNECT_ME_TO: |
| 141 | /* |
124 | /* |
| 142 | * Client requests to be connected to a service. |
125 | * Client requests to be connected to a service. |
| 143 | */ |
126 | */ |
| 144 | retval = connect_to_service(IPC_GET_ARG1(call), &call, callid); |
127 | retval = connect_to_service(IPC_GET_ARG1(call), &call, callid); |
| 145 | break; |
128 | break; |
| 146 | case NS_HANGUP: |
- | |
| 147 | // printf("Closing connection.\n"); |
- | |
| 148 | retval = EHANGUP; |
- | |
| 149 | break; |
- | |
| 150 | case NS_PING: |
- | |
| 151 | // printf("Ping...%P %P\n", IPC_GET_ARG1(call), |
- | |
| 152 | // IPC_GET_ARG2(call)); |
- | |
| 153 | retval = 0; |
- | |
| 154 | arg1 = 0xdead; |
- | |
| 155 | arg2 = 0xbeef; |
- | |
| 156 | break; |
- | |
| 157 | case NS_PING_SVC: |
- | |
| 158 | // printf("NS:Pinging service %d\n", ping_phone); |
- | |
| 159 | ipc_call_sync(ping_phone, NS_PING, 0xbeef, 0); |
- | |
| 160 | // printf("NS:Got pong\n"); |
- | |
| 161 | break; |
- | |
| 162 | default: |
129 | default: |
| 163 | // printf("Unknown method: %zd\n", IPC_GET_METHOD(call)); |
- | |
| 164 | retval = ENOENT; |
130 | retval = ENOENT; |
| 165 | break; |
131 | break; |
| 166 | } |
132 | } |
| 167 | if (! (callid & IPC_CALLID_NOTIFICATION)) { |
133 | if (! (callid & IPC_CALLID_NOTIFICATION)) { |
| 168 | // printf("Answering.\n"); |
- | |
| 169 | ipc_answer_fast(callid, retval, arg1, arg2); |
134 | ipc_answer_fast(callid, retval, arg1, arg2); |
| 170 | } |
135 | } |
| 171 | } |
136 | } |
| 172 | } |
137 | } |
| 173 | 138 | ||
| Line 182... | Line 147... | ||
| 182 | int register_service(ipcarg_t service, ipcarg_t phone, ipc_call_t *call) |
147 | int register_service(ipcarg_t service, ipcarg_t phone, ipc_call_t *call) |
| 183 | { |
148 | { |
| 184 | unsigned long keys[3] = { service, call->in_phone_hash, 0 }; |
149 | unsigned long keys[3] = { service, call->in_phone_hash, 0 }; |
| 185 | hashed_service_t *hs; |
150 | hashed_service_t *hs; |
| 186 | 151 | ||
| 187 | // printf("Registering service %d on phone %d...", service, phone); |
- | |
| 188 | - | ||
| 189 | if (hash_table_find(&ns_hash_table, keys)) { |
152 | if (hash_table_find(&ns_hash_table, keys)) { |
| 190 | // printf("Service %d already registered.\n", service); |
- | |
| 191 | return EEXISTS; |
153 | return EEXISTS; |
| 192 | } |
154 | } |
| 193 | 155 | ||
| 194 | hs = (hashed_service_t *) malloc(sizeof(hashed_service_t)); |
156 | hs = (hashed_service_t *) malloc(sizeof(hashed_service_t)); |
| 195 | if (!hs) { |
157 | if (!hs) { |
| 196 | // printf("Failed to register service %d.\n", service); |
- | |
| 197 | return ENOMEM; |
158 | return ENOMEM; |
| 198 | } |
159 | } |
| 199 | 160 | ||
| 200 | link_initialize(&hs->link); |
161 | link_initialize(&hs->link); |
| 201 | hs->service = service; |
162 | hs->service = service; |
| Line 220... | Line 181... | ||
| 220 | link_t *hlp; |
181 | link_t *hlp; |
| 221 | hashed_service_t *hs; |
182 | hashed_service_t *hs; |
| 222 | 183 | ||
| 223 | hlp = hash_table_find(&ns_hash_table, keys); |
184 | hlp = hash_table_find(&ns_hash_table, keys); |
| 224 | if (!hlp) { |
185 | if (!hlp) { |
| 225 | // printf("Service %d not registered.\n", service); |
- | |
| 226 | return ENOENT; |
186 | return ENOENT; |
| 227 | } |
187 | } |
| 228 | hs = hash_table_get_instance(hlp, hashed_service_t, link); |
188 | hs = hash_table_get_instance(hlp, hashed_service_t, link); |
| 229 | // printf("Connecting in_phone_hash=%lX to service at phone %d...", call->in_phone_hash, hs->phone); |
- | |
| 230 | return ipc_forward_fast(callid, hs->phone, 0, 0); |
189 | return ipc_forward_fast(callid, hs->phone, 0, 0); |
| 231 | } |
190 | } |
| 232 | 191 | ||
| 233 | /** Compute hash index into NS hash table. |
192 | /** Compute hash index into NS hash table. |
| 234 | * |
193 | * |