Benny Prijono | 4766ffe | 2005-11-01 17:56:59 +0000 | [diff] [blame] | 1 | /* $Id$ |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 2 | */ |
| 3 | #include <pj/ioqueue.h> |
| 4 | #include <pj/os.h> |
| 5 | #include <pj/lock.h> |
| 6 | #include <pj/pool.h> |
| 7 | #include <pj/string.h> |
| 8 | #include <pj/sock.h> |
| 9 | #include <pj/array.h> |
| 10 | #include <pj/log.h> |
| 11 | #include <pj/assert.h> |
| 12 | #include <pj/errno.h> |
| 13 | |
| 14 | |
| 15 | #if defined(PJ_HAS_WINSOCK2_H) && PJ_HAS_WINSOCK2_H != 0 |
| 16 | # include <winsock2.h> |
| 17 | #elif defined(PJ_HAS_WINSOCK_H) && PJ_HAS_WINSOCK_H != 0 |
| 18 | # include <winsock.h> |
| 19 | #endif |
| 20 | |
| 21 | #if defined(PJ_HAS_MSWSOCK_H) && PJ_HAS_MSWSOCK_H != 0 |
| 22 | # include <mswsock.h> |
| 23 | #endif |
| 24 | |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 25 | |
| 26 | /* The address specified in AcceptEx() must be 16 more than the size of |
| 27 | * SOCKADDR (source: MSDN). |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 28 | */ |
| 29 | #define ACCEPT_ADDR_LEN (sizeof(pj_sockaddr_in)+16) |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 30 | |
| 31 | typedef struct generic_overlapped |
| 32 | { |
| 33 | WSAOVERLAPPED overlapped; |
| 34 | pj_ioqueue_operation_e operation; |
| 35 | } generic_overlapped; |
| 36 | |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 37 | /* |
Benny Prijono | a7f64a3 | 2005-11-07 15:47:28 +0000 | [diff] [blame] | 38 | * OVERLAPPPED structure for send and receive. |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 39 | */ |
| 40 | typedef struct ioqueue_overlapped |
| 41 | { |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 42 | WSAOVERLAPPED overlapped; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 43 | pj_ioqueue_operation_e operation; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 44 | WSABUF wsabuf; |
| 45 | pj_sockaddr_in dummy_addr; |
| 46 | int dummy_addrlen; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 47 | } ioqueue_overlapped; |
| 48 | |
| 49 | #if PJ_HAS_TCP |
| 50 | /* |
| 51 | * OVERLAP structure for accept. |
| 52 | */ |
| 53 | typedef struct ioqueue_accept_rec |
| 54 | { |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 55 | WSAOVERLAPPED overlapped; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 56 | pj_ioqueue_operation_e operation; |
| 57 | pj_sock_t newsock; |
| 58 | pj_sock_t *newsock_ptr; |
| 59 | int *addrlen; |
| 60 | void *remote; |
| 61 | void *local; |
| 62 | char accept_buf[2 * ACCEPT_ADDR_LEN]; |
| 63 | } ioqueue_accept_rec; |
| 64 | #endif |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 65 | |
| 66 | /* |
| 67 | * Structure to hold pending operation key. |
| 68 | */ |
| 69 | union operation_key |
| 70 | { |
| 71 | generic_overlapped generic; |
| 72 | ioqueue_overlapped overlapped; |
| 73 | #if PJ_HAS_TCP |
| 74 | ioqueue_accept_rec accept; |
| 75 | #endif |
| 76 | }; |
| 77 | |
| 78 | /* Type of handle in the key. */ |
| 79 | enum handle_type |
| 80 | { |
| 81 | HND_IS_UNKNOWN, |
| 82 | HND_IS_FILE, |
| 83 | HND_IS_SOCKET, |
| 84 | }; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 85 | |
| 86 | /* |
| 87 | * Structure for individual socket. |
| 88 | */ |
| 89 | struct pj_ioqueue_key_t |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 90 | { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 91 | pj_ioqueue_t *ioqueue; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 92 | HANDLE hnd; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 93 | void *user_data; |
Benny Prijono | a7f64a3 | 2005-11-07 15:47:28 +0000 | [diff] [blame] | 94 | enum handle_type hnd_type; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 95 | #if PJ_HAS_TCP |
| 96 | int connecting; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 97 | #endif |
| 98 | pj_ioqueue_callback cb; |
| 99 | }; |
| 100 | |
| 101 | /* |
| 102 | * IO Queue structure. |
| 103 | */ |
| 104 | struct pj_ioqueue_t |
| 105 | { |
| 106 | HANDLE iocp; |
| 107 | pj_lock_t *lock; |
| 108 | pj_bool_t auto_delete_lock; |
| 109 | unsigned event_count; |
| 110 | HANDLE event_pool[MAXIMUM_WAIT_OBJECTS+1]; |
| 111 | #if PJ_HAS_TCP |
| 112 | unsigned connecting_count; |
| 113 | HANDLE connecting_handles[MAXIMUM_WAIT_OBJECTS+1]; |
| 114 | pj_ioqueue_key_t *connecting_keys[MAXIMUM_WAIT_OBJECTS+1]; |
| 115 | #endif |
| 116 | }; |
| 117 | |
| 118 | |
| 119 | #if PJ_HAS_TCP |
| 120 | /* |
| 121 | * Process the socket when the overlapped accept() completed. |
| 122 | */ |
| 123 | static void ioqueue_on_accept_complete(ioqueue_accept_rec *accept_overlapped) |
| 124 | { |
| 125 | struct sockaddr *local; |
| 126 | struct sockaddr *remote; |
| 127 | int locallen, remotelen; |
| 128 | |
| 129 | PJ_CHECK_STACK(); |
| 130 | |
| 131 | /* Operation complete immediately. */ |
| 132 | GetAcceptExSockaddrs( accept_overlapped->accept_buf, |
| 133 | 0, |
| 134 | ACCEPT_ADDR_LEN, |
| 135 | ACCEPT_ADDR_LEN, |
| 136 | &local, |
| 137 | &locallen, |
| 138 | &remote, |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 139 | &remotelen); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 140 | if (*accept_overlapped->addrlen > locallen) { |
| 141 | pj_memcpy(accept_overlapped->local, local, locallen); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 142 | pj_memcpy(accept_overlapped->remote, remote, locallen); |
| 143 | } else { |
| 144 | pj_memset(accept_overlapped->local, 0, *accept_overlapped->addrlen); |
| 145 | pj_memset(accept_overlapped->remote, 0, *accept_overlapped->addrlen); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 146 | } |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 147 | *accept_overlapped->addrlen = locallen; |
| 148 | if (accept_overlapped->newsock_ptr) |
| 149 | *accept_overlapped->newsock_ptr = accept_overlapped->newsock; |
| 150 | accept_overlapped->operation = 0; |
| 151 | accept_overlapped->newsock = PJ_INVALID_SOCKET; |
| 152 | } |
| 153 | |
| 154 | static void erase_connecting_socket( pj_ioqueue_t *ioqueue, unsigned pos) |
| 155 | { |
| 156 | pj_ioqueue_key_t *key = ioqueue->connecting_keys[pos]; |
| 157 | HANDLE hEvent = ioqueue->connecting_handles[pos]; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 158 | |
| 159 | /* Remove key from array of connecting handles. */ |
| 160 | pj_array_erase(ioqueue->connecting_keys, sizeof(key), |
| 161 | ioqueue->connecting_count, pos); |
| 162 | pj_array_erase(ioqueue->connecting_handles, sizeof(HANDLE), |
| 163 | ioqueue->connecting_count, pos); |
| 164 | --ioqueue->connecting_count; |
| 165 | |
| 166 | /* Disassociate the socket from the event. */ |
| 167 | WSAEventSelect((pj_sock_t)key->hnd, hEvent, 0); |
| 168 | |
| 169 | /* Put event object to pool. */ |
| 170 | if (ioqueue->event_count < MAXIMUM_WAIT_OBJECTS) { |
| 171 | ioqueue->event_pool[ioqueue->event_count++] = hEvent; |
| 172 | } else { |
| 173 | /* Shouldn't happen. There should be no more pending connections |
| 174 | * than max. |
| 175 | */ |
| 176 | pj_assert(0); |
| 177 | CloseHandle(hEvent); |
| 178 | } |
| 179 | |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | /* |
| 183 | * Poll for the completion of non-blocking connect(). |
| 184 | * If there's a completion, the function return the key of the completed |
| 185 | * socket, and 'result' argument contains the connect() result. If connect() |
| 186 | * succeeded, 'result' will have value zero, otherwise will have the error |
| 187 | * code. |
| 188 | */ |
| 189 | static pj_ioqueue_key_t *check_connecting( pj_ioqueue_t *ioqueue, |
| 190 | pj_ssize_t *connect_err ) |
| 191 | { |
| 192 | pj_ioqueue_key_t *key = NULL; |
| 193 | |
| 194 | if (ioqueue->connecting_count) { |
| 195 | DWORD result; |
| 196 | |
| 197 | pj_lock_acquire(ioqueue->lock); |
| 198 | result = WaitForMultipleObjects(ioqueue->connecting_count, |
| 199 | ioqueue->connecting_handles, |
| 200 | FALSE, 0); |
| 201 | if (result >= WAIT_OBJECT_0 && |
| 202 | result < WAIT_OBJECT_0+ioqueue->connecting_count) |
| 203 | { |
| 204 | WSANETWORKEVENTS net_events; |
| 205 | |
| 206 | /* Got completed connect(). */ |
| 207 | unsigned pos = result - WAIT_OBJECT_0; |
| 208 | key = ioqueue->connecting_keys[pos]; |
| 209 | |
| 210 | /* See whether connect has succeeded. */ |
| 211 | WSAEnumNetworkEvents((pj_sock_t)key->hnd, |
| 212 | ioqueue->connecting_handles[pos], |
| 213 | &net_events); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 214 | *connect_err = |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 215 | PJ_STATUS_FROM_OS(net_events.iErrorCode[FD_CONNECT_BIT]); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 216 | |
| 217 | /* Erase socket from pending connect. */ |
| 218 | erase_connecting_socket(ioqueue, pos); |
| 219 | } |
| 220 | pj_lock_release(ioqueue->lock); |
| 221 | } |
| 222 | return key; |
| 223 | } |
| 224 | #endif |
| 225 | |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 226 | /* |
| 227 | * pj_ioqueue_name() |
| 228 | */ |
| 229 | PJ_DEF(const char*) pj_ioqueue_name(void) |
| 230 | { |
| 231 | return "iocp"; |
| 232 | } |
| 233 | |
| 234 | /* |
| 235 | * pj_ioqueue_create() |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 236 | */ |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 237 | PJ_DEF(pj_status_t) pj_ioqueue_create( pj_pool_t *pool, |
| 238 | pj_size_t max_fd, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 239 | pj_ioqueue_t **p_ioqueue) |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 240 | { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 241 | pj_ioqueue_t *ioqueue; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 242 | pj_status_t rc; |
| 243 | |
| 244 | PJ_UNUSED_ARG(max_fd); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 245 | PJ_ASSERT_RETURN(pool && p_ioqueue, PJ_EINVAL); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 246 | |
| 247 | rc = sizeof(union operation_key); |
| 248 | |
| 249 | /* Check that sizeof(pj_ioqueue_op_key_t) makes sense. */ |
| 250 | PJ_ASSERT_RETURN(sizeof(pj_ioqueue_op_key_t)-sizeof(void*) >= |
| 251 | sizeof(union operation_key), PJ_EBUG); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 252 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 253 | ioqueue = pj_pool_zalloc(pool, sizeof(*ioqueue)); |
| 254 | ioqueue->iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, 0); |
| 255 | if (ioqueue->iocp == NULL) |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 256 | return PJ_RETURN_OS_ERROR(GetLastError()); |
| 257 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 258 | rc = pj_lock_create_simple_mutex(pool, NULL, &ioqueue->lock); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 259 | if (rc != PJ_SUCCESS) { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 260 | CloseHandle(ioqueue->iocp); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 261 | return rc; |
| 262 | } |
| 263 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 264 | ioqueue->auto_delete_lock = PJ_TRUE; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 265 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 266 | *p_ioqueue = ioqueue; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 267 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 268 | PJ_LOG(4, ("pjlib", "WinNT IOCP I/O Queue created (%p)", ioqueue)); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 269 | return PJ_SUCCESS; |
| 270 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 271 | |
| 272 | /* |
| 273 | * pj_ioqueue_destroy() |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 274 | */ |
| 275 | PJ_DEF(pj_status_t) pj_ioqueue_destroy( pj_ioqueue_t *ioqueue ) |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 276 | { |
| 277 | unsigned i; |
| 278 | |
| 279 | PJ_CHECK_STACK(); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 280 | PJ_ASSERT_RETURN(ioqueue, PJ_EINVAL); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 281 | |
| 282 | /* Destroy events in the pool */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 283 | for (i=0; i<ioqueue->event_count; ++i) { |
| 284 | CloseHandle(ioqueue->event_pool[i]); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 285 | } |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 286 | ioqueue->event_count = 0; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 287 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 288 | if (CloseHandle(ioqueue->iocp) != TRUE) |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 289 | return PJ_RETURN_OS_ERROR(GetLastError()); |
| 290 | |
| 291 | if (ioqueue->auto_delete_lock) |
| 292 | pj_lock_destroy(ioqueue->lock); |
| 293 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 294 | return PJ_SUCCESS; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 295 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 296 | |
| 297 | /* |
| 298 | * pj_ioqueue_set_lock() |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 299 | */ |
| 300 | PJ_DEF(pj_status_t) pj_ioqueue_set_lock( pj_ioqueue_t *ioqueue, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 301 | pj_lock_t *lock, |
| 302 | pj_bool_t auto_delete ) |
| 303 | { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 304 | PJ_ASSERT_RETURN(ioqueue && lock, PJ_EINVAL); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 305 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 306 | if (ioqueue->auto_delete_lock) { |
| 307 | pj_lock_destroy(ioqueue->lock); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 308 | } |
| 309 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 310 | ioqueue->lock = lock; |
| 311 | ioqueue->auto_delete_lock = auto_delete; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 312 | |
| 313 | return PJ_SUCCESS; |
| 314 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 315 | |
| 316 | /* |
| 317 | * pj_ioqueue_register_sock() |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 318 | */ |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 319 | PJ_DEF(pj_status_t) pj_ioqueue_register_sock( pj_pool_t *pool, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 320 | pj_ioqueue_t *ioqueue, |
| 321 | pj_sock_t sock, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 322 | void *user_data, |
| 323 | const pj_ioqueue_callback *cb, |
| 324 | pj_ioqueue_key_t **key ) |
| 325 | { |
| 326 | HANDLE hioq; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 327 | pj_ioqueue_key_t *rec; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 328 | u_long value; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 329 | int rc; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 330 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 331 | PJ_ASSERT_RETURN(pool && ioqueue && cb && key, PJ_EINVAL); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 332 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 333 | /* Build the key for this socket. */ |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 334 | rec = pj_pool_zalloc(pool, sizeof(pj_ioqueue_key_t)); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 335 | rec->ioqueue = ioqueue; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 336 | rec->hnd = (HANDLE)sock; |
Benny Prijono | a7f64a3 | 2005-11-07 15:47:28 +0000 | [diff] [blame] | 337 | rec->hnd_type = HND_IS_SOCKET; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 338 | rec->user_data = user_data; |
| 339 | pj_memcpy(&rec->cb, cb, sizeof(pj_ioqueue_callback)); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 340 | |
| 341 | /* Set socket to nonblocking. */ |
| 342 | value = 1; |
| 343 | rc = ioctlsocket(sock, FIONBIO, &value); |
| 344 | if (rc != 0) { |
| 345 | return PJ_RETURN_OS_ERROR(WSAGetLastError()); |
| 346 | } |
| 347 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 348 | /* Associate with IOCP */ |
| 349 | hioq = CreateIoCompletionPort((HANDLE)sock, ioqueue->iocp, (DWORD)rec, 0); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 350 | if (!hioq) { |
| 351 | return PJ_RETURN_OS_ERROR(GetLastError()); |
| 352 | } |
| 353 | |
| 354 | *key = rec; |
| 355 | return PJ_SUCCESS; |
| 356 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 357 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 358 | /* |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 359 | * pj_ioqueue_unregister() |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 360 | */ |
| 361 | PJ_DEF(pj_status_t) pj_ioqueue_unregister( pj_ioqueue_key_t *key ) |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 362 | { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 363 | PJ_ASSERT_RETURN(key, PJ_EINVAL); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 364 | |
| 365 | #if PJ_HAS_TCP |
| 366 | if (key->connecting) { |
| 367 | unsigned pos; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 368 | pj_ioqueue_t *ioqueue; |
| 369 | |
| 370 | ioqueue = key->ioqueue; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 371 | |
| 372 | /* Erase from connecting_handles */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 373 | pj_lock_acquire(ioqueue->lock); |
| 374 | for (pos=0; pos < ioqueue->connecting_count; ++pos) { |
| 375 | if (ioqueue->connecting_keys[pos] == key) { |
| 376 | erase_connecting_socket(ioqueue, pos); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 377 | break; |
| 378 | } |
| 379 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 380 | key->connecting = 0; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 381 | pj_lock_release(ioqueue->lock); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 382 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 383 | #endif |
| 384 | if (key->hnd_type == HND_IS_FILE) { |
| 385 | CloseHandle(key->hnd); |
Benny Prijono | a7f64a3 | 2005-11-07 15:47:28 +0000 | [diff] [blame] | 386 | } |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 387 | return PJ_SUCCESS; |
| 388 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 389 | |
| 390 | /* |
| 391 | * pj_ioqueue_get_user_data() |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 392 | */ |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 393 | PJ_DEF(void*) pj_ioqueue_get_user_data( pj_ioqueue_key_t *key ) |
| 394 | { |
| 395 | PJ_ASSERT_RETURN(key, NULL); |
| 396 | return key->user_data; |
| 397 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 398 | |
| 399 | /* |
| 400 | * pj_ioqueue_set_user_data() |
| 401 | */ |
| 402 | PJ_DEF(pj_status_t) pj_ioqueue_set_user_data( pj_ioqueue_key_t *key, |
| 403 | void *user_data, |
| 404 | void **old_data ) |
| 405 | { |
| 406 | PJ_ASSERT_RETURN(key, PJ_EINVAL); |
| 407 | |
| 408 | if (old_data) |
| 409 | *old_data = key->user_data; |
| 410 | |
| 411 | key->user_data = user_data; |
| 412 | return PJ_SUCCESS; |
| 413 | } |
| 414 | |
| 415 | /* |
| 416 | * pj_ioqueue_poll() |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 417 | * |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 418 | * Poll for events. |
| 419 | */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 420 | PJ_DEF(int) pj_ioqueue_poll( pj_ioqueue_t *ioqueue, const pj_time_val *timeout) |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 421 | { |
| 422 | DWORD dwMsec, dwBytesTransfered, dwKey; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 423 | generic_overlapped *pOv; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 424 | pj_ioqueue_key_t *key; |
| 425 | pj_ssize_t size_status; |
| 426 | BOOL rc; |
| 427 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 428 | PJ_ASSERT_RETURN(ioqueue, -PJ_EINVAL); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 429 | |
| 430 | /* Check the connecting array. */ |
| 431 | #if PJ_HAS_TCP |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 432 | key = check_connecting(ioqueue, &size_status); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 433 | if (key != NULL) { |
| 434 | key->cb.on_connect_complete(key, (int)size_status); |
| 435 | return 1; |
| 436 | } |
| 437 | #endif |
| 438 | |
| 439 | /* Calculate miliseconds timeout for GetQueuedCompletionStatus */ |
| 440 | dwMsec = timeout ? timeout->sec*1000 + timeout->msec : INFINITE; |
| 441 | |
| 442 | /* Poll for completion status. */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 443 | rc = GetQueuedCompletionStatus(ioqueue->iocp, &dwBytesTransfered, &dwKey, |
| 444 | (OVERLAPPED**)&pOv, dwMsec); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 445 | |
| 446 | /* The return value is: |
| 447 | * - nonzero if event was dequeued. |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 448 | * - zero and pOv==NULL if no event was dequeued. |
| 449 | * - zero and pOv!=NULL if event for failed I/O was dequeued. |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 450 | */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 451 | if (pOv) { |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 452 | /* Event was dequeued for either successfull or failed I/O */ |
| 453 | key = (pj_ioqueue_key_t*)dwKey; |
| 454 | size_status = dwBytesTransfered; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 455 | switch (pOv->operation) { |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 456 | case PJ_IOQUEUE_OP_READ: |
| 457 | case PJ_IOQUEUE_OP_RECV: |
| 458 | case PJ_IOQUEUE_OP_RECV_FROM: |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 459 | pOv->operation = 0; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 460 | if (key->cb.on_read_complete) |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 461 | key->cb.on_read_complete(key, (pj_ioqueue_op_key_t*)pOv, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 462 | size_status); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 463 | break; |
| 464 | case PJ_IOQUEUE_OP_WRITE: |
| 465 | case PJ_IOQUEUE_OP_SEND: |
| 466 | case PJ_IOQUEUE_OP_SEND_TO: |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 467 | pOv->operation = 0; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 468 | if (key->cb.on_write_complete) |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 469 | key->cb.on_write_complete(key, (pj_ioqueue_op_key_t*)pOv, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 470 | size_status); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 471 | break; |
| 472 | #if PJ_HAS_TCP |
| 473 | case PJ_IOQUEUE_OP_ACCEPT: |
| 474 | /* special case for accept. */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 475 | ioqueue_on_accept_complete((ioqueue_accept_rec*)pOv); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 476 | if (key->cb.on_accept_complete) { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 477 | ioqueue_accept_rec *accept_rec = (ioqueue_accept_rec*)pOv; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 478 | key->cb.on_accept_complete(key, |
| 479 | (pj_ioqueue_op_key_t*)pOv, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 480 | accept_rec->newsock, |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 481 | PJ_SUCCESS); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 482 | } |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 483 | break; |
| 484 | case PJ_IOQUEUE_OP_CONNECT: |
| 485 | #endif |
| 486 | case PJ_IOQUEUE_OP_NONE: |
| 487 | pj_assert(0); |
| 488 | break; |
| 489 | } |
| 490 | return 1; |
| 491 | } |
| 492 | |
| 493 | if (GetLastError()==WAIT_TIMEOUT) { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 494 | /* Check the connecting array (again). */ |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 495 | #if PJ_HAS_TCP |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 496 | key = check_connecting(ioqueue, &size_status); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 497 | if (key != NULL) { |
| 498 | key->cb.on_connect_complete(key, (int)size_status); |
| 499 | return 1; |
| 500 | } |
| 501 | #endif |
| 502 | return 0; |
| 503 | } |
| 504 | return -1; |
| 505 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 506 | |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 507 | /* |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 508 | * pj_ioqueue_recv() |
| 509 | * |
| 510 | * Initiate overlapped WSARecv() operation. |
| 511 | */ |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 512 | PJ_DEF(pj_status_t) pj_ioqueue_recv( pj_ioqueue_key_t *key, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 513 | pj_ioqueue_op_key_t *op_key, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 514 | void *buffer, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 515 | pj_ssize_t *length, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 516 | unsigned flags ) |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 517 | { |
| 518 | /* |
| 519 | * Ideally we should just call pj_ioqueue_recvfrom() with NULL addr and |
| 520 | * addrlen here. But unfortunately it generates EINVAL... :-( |
| 521 | * -bennylp |
| 522 | */ |
| 523 | int rc; |
| 524 | DWORD bytesRead; |
| 525 | DWORD dwFlags = 0; |
| 526 | union operation_key *op_key_rec; |
| 527 | |
| 528 | PJ_CHECK_STACK(); |
| 529 | PJ_ASSERT_RETURN(key && op_key && buffer && length, PJ_EINVAL); |
| 530 | |
| 531 | op_key_rec = (union operation_key*)op_key->internal__; |
| 532 | op_key_rec->overlapped.wsabuf.buf = buffer; |
| 533 | op_key_rec->overlapped.wsabuf.len = *length; |
| 534 | |
| 535 | dwFlags = flags; |
| 536 | |
| 537 | /* Try non-overlapped received first to see if data is |
| 538 | * immediately available. |
| 539 | */ |
| 540 | rc = WSARecv((SOCKET)key->hnd, &op_key_rec->overlapped.wsabuf, 1, |
| 541 | &bytesRead, &dwFlags, NULL, NULL); |
| 542 | if (rc == 0) { |
| 543 | *length = bytesRead; |
| 544 | return PJ_SUCCESS; |
| 545 | } else { |
| 546 | DWORD dwError = WSAGetLastError(); |
| 547 | if (dwError != WSAEWOULDBLOCK) { |
| 548 | *length = -1; |
| 549 | return PJ_RETURN_OS_ERROR(dwError); |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | /* |
| 554 | * No immediate data available. |
| 555 | * Register overlapped Recv() operation. |
| 556 | */ |
| 557 | pj_memset(&op_key_rec->overlapped.overlapped, 0, |
| 558 | sizeof(op_key_rec->overlapped.overlapped)); |
| 559 | op_key_rec->overlapped.operation = PJ_IOQUEUE_OP_RECV; |
| 560 | |
| 561 | rc = WSARecv((SOCKET)key->hnd, &op_key_rec->overlapped.wsabuf, 1, |
| 562 | &bytesRead, &dwFlags, |
| 563 | &op_key_rec->overlapped.overlapped, NULL); |
| 564 | if (rc == SOCKET_ERROR) { |
| 565 | DWORD dwStatus = WSAGetLastError(); |
| 566 | if (dwStatus!=WSA_IO_PENDING) { |
| 567 | *length = -1; |
| 568 | return PJ_STATUS_FROM_OS(dwStatus); |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | /* Pending operation has been scheduled. */ |
| 573 | return PJ_EPENDING; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 574 | } |
| 575 | |
| 576 | /* |
| 577 | * pj_ioqueue_recvfrom() |
| 578 | * |
| 579 | * Initiate overlapped RecvFrom() operation. |
| 580 | */ |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 581 | PJ_DEF(pj_status_t) pj_ioqueue_recvfrom( pj_ioqueue_key_t *key, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 582 | pj_ioqueue_op_key_t *op_key, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 583 | void *buffer, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 584 | pj_ssize_t *length, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 585 | unsigned flags, |
| 586 | pj_sockaddr_t *addr, |
| 587 | int *addrlen) |
| 588 | { |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 589 | int rc; |
| 590 | DWORD bytesRead; |
| 591 | DWORD dwFlags = 0; |
| 592 | union operation_key *op_key_rec; |
| 593 | |
| 594 | PJ_CHECK_STACK(); |
| 595 | PJ_ASSERT_RETURN(key && op_key && buffer, PJ_EINVAL); |
| 596 | |
| 597 | op_key_rec = (union operation_key*)op_key->internal__; |
| 598 | op_key_rec->overlapped.wsabuf.buf = buffer; |
| 599 | op_key_rec->overlapped.wsabuf.len = *length; |
| 600 | |
| 601 | dwFlags = flags; |
| 602 | |
| 603 | /* Try non-overlapped received first to see if data is |
| 604 | * immediately available. |
| 605 | */ |
| 606 | rc = WSARecvFrom((SOCKET)key->hnd, &op_key_rec->overlapped.wsabuf, 1, |
| 607 | &bytesRead, &dwFlags, addr, addrlen, NULL, NULL); |
| 608 | if (rc == 0) { |
| 609 | *length = bytesRead; |
| 610 | return PJ_SUCCESS; |
| 611 | } else { |
| 612 | DWORD dwError = WSAGetLastError(); |
| 613 | if (dwError != WSAEWOULDBLOCK) { |
| 614 | *length = -1; |
| 615 | return PJ_RETURN_OS_ERROR(dwError); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | /* |
| 620 | * No immediate data available. |
| 621 | * Register overlapped Recv() operation. |
| 622 | */ |
| 623 | pj_memset(&op_key_rec->overlapped.overlapped, 0, |
| 624 | sizeof(op_key_rec->overlapped.overlapped)); |
| 625 | op_key_rec->overlapped.operation = PJ_IOQUEUE_OP_RECV; |
| 626 | |
| 627 | rc = WSARecvFrom((SOCKET)key->hnd, &op_key_rec->overlapped.wsabuf, 1, |
| 628 | &bytesRead, &dwFlags, addr, addrlen, |
| 629 | &op_key_rec->overlapped.overlapped, NULL); |
| 630 | if (rc == SOCKET_ERROR) { |
| 631 | DWORD dwStatus = WSAGetLastError(); |
| 632 | if (dwStatus!=WSA_IO_PENDING) { |
| 633 | *length = -1; |
| 634 | return PJ_STATUS_FROM_OS(dwStatus); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | /* Pending operation has been scheduled. */ |
| 639 | return PJ_EPENDING; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 640 | } |
| 641 | |
| 642 | /* |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 643 | * pj_ioqueue_send() |
| 644 | * |
| 645 | * Initiate overlapped Send operation. |
| 646 | */ |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 647 | PJ_DEF(pj_status_t) pj_ioqueue_send( pj_ioqueue_key_t *key, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 648 | pj_ioqueue_op_key_t *op_key, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 649 | const void *data, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 650 | pj_ssize_t *length, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 651 | unsigned flags ) |
| 652 | { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 653 | return pj_ioqueue_sendto(key, op_key, data, length, flags, NULL, 0); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | |
| 657 | /* |
| 658 | * pj_ioqueue_sendto() |
| 659 | * |
| 660 | * Initiate overlapped SendTo operation. |
| 661 | */ |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 662 | PJ_DEF(pj_status_t) pj_ioqueue_sendto( pj_ioqueue_key_t *key, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 663 | pj_ioqueue_op_key_t *op_key, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 664 | const void *data, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 665 | pj_ssize_t *length, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 666 | unsigned flags, |
| 667 | const pj_sockaddr_t *addr, |
| 668 | int addrlen) |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 669 | { |
| 670 | int rc; |
| 671 | DWORD bytesWritten; |
| 672 | DWORD dwFlags; |
| 673 | union operation_key *op_key_rec; |
| 674 | |
| 675 | PJ_CHECK_STACK(); |
| 676 | PJ_ASSERT_RETURN(key && op_key && data, PJ_EINVAL); |
| 677 | |
| 678 | op_key_rec = (union operation_key*)op_key->internal__; |
| 679 | |
| 680 | dwFlags = flags; |
| 681 | |
| 682 | /* |
| 683 | * First try blocking write. |
| 684 | */ |
| 685 | op_key_rec->overlapped.wsabuf.buf = (void*)data; |
| 686 | op_key_rec->overlapped.wsabuf.len = *length; |
| 687 | |
| 688 | rc = WSASendTo((SOCKET)key->hnd, &op_key_rec->overlapped.wsabuf, 1, |
| 689 | &bytesWritten, dwFlags, addr, addrlen, |
| 690 | NULL, NULL); |
| 691 | if (rc == 0) { |
| 692 | *length = bytesWritten; |
| 693 | return PJ_SUCCESS; |
| 694 | } else { |
| 695 | DWORD dwStatus = WSAGetLastError(); |
| 696 | if (dwStatus != WSAEWOULDBLOCK) { |
| 697 | *length = -1; |
| 698 | return PJ_RETURN_OS_ERROR(dwStatus); |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | /* |
| 703 | * Data can't be sent immediately. |
| 704 | * Schedule asynchronous WSASend(). |
| 705 | */ |
| 706 | pj_memset(&op_key_rec->overlapped.overlapped, 0, |
| 707 | sizeof(op_key_rec->overlapped.overlapped)); |
| 708 | op_key_rec->overlapped.operation = PJ_IOQUEUE_OP_SEND; |
| 709 | |
| 710 | rc = WSASendTo((SOCKET)key->hnd, &op_key_rec->overlapped.wsabuf, 1, |
| 711 | &bytesWritten, dwFlags, addr, addrlen, |
| 712 | &op_key_rec->overlapped.overlapped, NULL); |
| 713 | if (rc == SOCKET_ERROR) { |
| 714 | DWORD dwStatus = WSAGetLastError(); |
| 715 | if (dwStatus!=WSA_IO_PENDING) |
| 716 | return PJ_STATUS_FROM_OS(dwStatus); |
| 717 | } |
| 718 | |
| 719 | /* Asynchronous operation successfully submitted. */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 720 | return PJ_EPENDING; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 721 | } |
| 722 | |
| 723 | #if PJ_HAS_TCP |
| 724 | |
| 725 | /* |
| 726 | * pj_ioqueue_accept() |
| 727 | * |
| 728 | * Initiate overlapped accept() operation. |
| 729 | */ |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 730 | PJ_DEF(pj_status_t) pj_ioqueue_accept( pj_ioqueue_key_t *key, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 731 | pj_ioqueue_op_key_t *op_key, |
| 732 | pj_sock_t *new_sock, |
| 733 | pj_sockaddr_t *local, |
| 734 | pj_sockaddr_t *remote, |
| 735 | int *addrlen) |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 736 | { |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 737 | BOOL rc; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 738 | DWORD bytesReceived; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 739 | pj_status_t status; |
| 740 | union operation_key *op_key_rec; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 741 | SOCKET sock; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 742 | |
| 743 | PJ_CHECK_STACK(); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 744 | PJ_ASSERT_RETURN(key && op_key && new_sock, PJ_EINVAL); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 745 | |
| 746 | /* |
| 747 | * See if there is a new connection immediately available. |
| 748 | */ |
| 749 | sock = WSAAccept((SOCKET)key->hnd, remote, addrlen, NULL, 0); |
| 750 | if (sock != INVALID_SOCKET) { |
| 751 | /* Yes! New socket is available! */ |
| 752 | int status; |
| 753 | |
| 754 | status = getsockname(sock, local, addrlen); |
| 755 | if (status != 0) { |
| 756 | DWORD dwError = WSAGetLastError(); |
| 757 | closesocket(sock); |
| 758 | return PJ_RETURN_OS_ERROR(dwError); |
| 759 | } |
| 760 | |
| 761 | *new_sock = sock; |
| 762 | return PJ_SUCCESS; |
| 763 | |
| 764 | } else { |
| 765 | DWORD dwError = WSAGetLastError(); |
| 766 | if (dwError != WSAEWOULDBLOCK) { |
| 767 | return PJ_RETURN_OS_ERROR(dwError); |
| 768 | } |
| 769 | } |
| 770 | |
| 771 | /* |
| 772 | * No connection is immediately available. |
| 773 | * Must schedule an asynchronous operation. |
| 774 | */ |
| 775 | op_key_rec = (union operation_key*)op_key->internal__; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 776 | |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 777 | status = pj_sock_socket(PJ_AF_INET, PJ_SOCK_STREAM, 0, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 778 | &op_key_rec->accept.newsock); |
| 779 | if (status != PJ_SUCCESS) |
| 780 | return status; |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 781 | |
| 782 | /* On WinXP or later, use SO_UPDATE_ACCEPT_CONTEXT so that socket |
| 783 | * addresses can be obtained with getsockname() and getpeername(). |
| 784 | */ |
| 785 | status = setsockopt(op_key_rec->accept.newsock, SOL_SOCKET, |
| 786 | SO_UPDATE_ACCEPT_CONTEXT, |
| 787 | (char*)&key->hnd, sizeof(SOCKET)); |
| 788 | /* SO_UPDATE_ACCEPT_CONTEXT is for WinXP or later. |
| 789 | * So ignore the error status. |
| 790 | */ |
| 791 | |
| 792 | op_key_rec->accept.operation = PJ_IOQUEUE_OP_ACCEPT; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 793 | op_key_rec->accept.addrlen = addrlen; |
| 794 | op_key_rec->accept.local = local; |
| 795 | op_key_rec->accept.remote = remote; |
| 796 | op_key_rec->accept.newsock_ptr = new_sock; |
| 797 | pj_memset(&op_key_rec->accept.overlapped, 0, |
| 798 | sizeof(op_key_rec->accept.overlapped)); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 799 | |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 800 | rc = AcceptEx( (SOCKET)key->hnd, (SOCKET)op_key_rec->accept.newsock, |
| 801 | op_key_rec->accept.accept_buf, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 802 | 0, ACCEPT_ADDR_LEN, ACCEPT_ADDR_LEN, |
| 803 | &bytesReceived, |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 804 | &op_key_rec->accept.overlapped ); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 805 | |
| 806 | if (rc == TRUE) { |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 807 | ioqueue_on_accept_complete(&op_key_rec->accept); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 808 | return PJ_SUCCESS; |
| 809 | } else { |
| 810 | DWORD dwStatus = WSAGetLastError(); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 811 | if (dwStatus!=WSA_IO_PENDING) |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 812 | return PJ_STATUS_FROM_OS(dwStatus); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | /* Asynchronous Accept() has been submitted. */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 816 | return PJ_EPENDING; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 817 | } |
| 818 | |
| 819 | |
| 820 | /* |
| 821 | * pj_ioqueue_connect() |
| 822 | * |
| 823 | * Initiate overlapped connect() operation (well, it's non-blocking actually, |
| 824 | * since there's no overlapped version of connect()). |
| 825 | */ |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 826 | PJ_DEF(pj_status_t) pj_ioqueue_connect( pj_ioqueue_key_t *key, |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 827 | const pj_sockaddr_t *addr, |
| 828 | int addrlen ) |
| 829 | { |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 830 | HANDLE hEvent; |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 831 | pj_ioqueue_t *ioqueue; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 832 | |
| 833 | PJ_CHECK_STACK(); |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 834 | PJ_ASSERT_RETURN(key && addr && addrlen, PJ_EINVAL); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 835 | |
| 836 | /* Initiate connect() */ |
| 837 | if (connect((pj_sock_t)key->hnd, addr, addrlen) != 0) { |
| 838 | DWORD dwStatus; |
| 839 | dwStatus = WSAGetLastError(); |
Benny Prijono | a9946d5 | 2005-11-06 09:37:47 +0000 | [diff] [blame] | 840 | if (dwStatus != WSAEWOULDBLOCK) { |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 841 | return PJ_RETURN_OS_ERROR(dwStatus); |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 842 | } |
| 843 | } else { |
| 844 | /* Connect has completed immediately! */ |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 845 | return PJ_SUCCESS; |
| 846 | } |
Benny Prijono | 40ce3fb | 2005-11-07 18:14:08 +0000 | [diff] [blame] | 847 | |
| 848 | ioqueue = key->ioqueue; |
Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame] | 849 | |
| 850 | /* Add to the array of connecting socket to be polled */ |
| 851 | pj_lock_acquire(ioqueue->lock); |
| 852 | |
| 853 | if (ioqueue->connecting_count >= MAXIMUM_WAIT_OBJECTS) { |
| 854 | pj_lock_release(ioqueue->lock); |
| 855 | return PJ_ETOOMANYCONN; |
| 856 | } |
| 857 | |
| 858 | /* Get or create event object. */ |
| 859 | if (ioqueue->event_count) { |
| 860 | hEvent = ioqueue->event_pool[ioqueue->event_count - 1]; |
| 861 | --ioqueue->event_count; |
| 862 | } else { |
| 863 | hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 864 | if (hEvent == NULL) { |
| 865 | DWORD dwStatus = GetLastError(); |
| 866 | pj_lock_release(ioqueue->lock); |
| 867 | return PJ_STATUS_FROM_OS(dwStatus); |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | /* Mark key as connecting. |
| 872 | * We can't use array index since key can be removed dynamically. |
| 873 | */ |
| 874 | key->connecting = 1; |
| 875 | |
| 876 | /* Associate socket events to the event object. */ |
| 877 | if (WSAEventSelect((pj_sock_t)key->hnd, hEvent, FD_CONNECT) != 0) { |
| 878 | CloseHandle(hEvent); |
| 879 | pj_lock_release(ioqueue->lock); |
| 880 | return PJ_RETURN_OS_ERROR(WSAGetLastError()); |
| 881 | } |
| 882 | |
| 883 | /* Add to array. */ |
| 884 | ioqueue->connecting_keys[ ioqueue->connecting_count ] = key; |
| 885 | ioqueue->connecting_handles[ ioqueue->connecting_count ] = hEvent; |
| 886 | ioqueue->connecting_count++; |
| 887 | |
| 888 | pj_lock_release(ioqueue->lock); |
| 889 | |
| 890 | return PJ_EPENDING; |
| 891 | } |
| 892 | #endif /* #if PJ_HAS_TCP */ |
| 893 | |
Benny Prijono | 85d3f45 | 2005-11-09 15:37:19 +0000 | [diff] [blame] | 894 |
|
Benny Prijono | f010e69 | 2005-11-11 19:01:31 +0000 | [diff] [blame^] | 895 | PJ_DEF(void) pj_ioqueue_op_key_init( pj_ioqueue_op_key_t *op_key,
|
| 896 | pj_size_t size )
|
| 897 | {
|
| 898 | pj_memset(op_key, 0, size);
|
| 899 | }
|
Benny Prijono | 85d3f45 | 2005-11-09 15:37:19 +0000 | [diff] [blame] | 900 |
|
| 901 | PJ_DEF(pj_bool_t) pj_ioqueue_is_pending( pj_ioqueue_key_t *key,
|
| 902 | pj_ioqueue_op_key_t *op_key )
|
| 903 | {
|
| 904 | BOOL rc;
|
| 905 | DWORD bytesTransfered;
|
| 906 |
|
| 907 | rc = GetOverlappedResult( key->hnd, (LPOVERLAPPED)op_key,
|
| 908 | &bytesTransfered, FALSE );
|
| 909 |
|
| 910 | if (rc == FALSE) {
|
| 911 | return GetLastError()==ERROR_IO_INCOMPLETE;
|
| 912 | }
|
| 913 |
|
| 914 | return FALSE;
|
| 915 | }
|
| 916 |
|
| 917 |
|
| 918 | PJ_DEF(pj_status_t) pj_ioqueue_post_completion( pj_ioqueue_key_t *key,
|
| 919 | pj_ioqueue_op_key_t *op_key,
|
| 920 | pj_ssize_t bytes_status )
|
| 921 | {
|
| 922 | BOOL rc;
|
| 923 |
|
| 924 | rc = PostQueuedCompletionStatus(key->ioqueue->iocp, bytes_status,
|
| 925 | (long)key, (OVERLAPPED*)op_key );
|
| 926 | if (rc == FALSE) {
|
| 927 | return PJ_RETURN_OS_ERROR(GetLastError());
|
| 928 | }
|
| 929 |
|
| 930 | return PJ_SUCCESS;
|
| 931 | }
|
| 932 |
|