| 1 | /* | |
| 2 | * Copyright 1999-2006 University of Chicago | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | #include "globus_i_service_engine.h" | |
| 18 | ||
| 19 | /** | |
| 20 | * Get a list of contacts for all engines running in this process. | |
| 21 | * @ingroup globus_service_engine | |
| 22 | * | |
| 23 | * Allocates an array of xsd_anyURIs which will be set to contain the | |
| 24 | * contact strings for all service engines running in this process. The | |
| 25 | * variable pointed to by @a contacts_length will be set to the length of | |
| 26 | * this array. It is the responsibility of the caller to free the @a contacts | |
| 27 | * array. If there are no engines running in this process, @a contacts | |
| 28 | * will be set to NULL and @a contacts_length will be set to 0. | |
| 29 | * | |
| 30 | * | |
| 31 | * @param contacts | |
| 32 | * Pointer to an array which will be allocated to contain the list of | |
| 33 | * contacts. | |
| 34 | * @param contacts_length | |
| 35 | * Pointer to a variable which will hold the length of the @a contacts | |
| 36 | * array. | |
| 37 | * | |
| 38 | * @retval GLOBUS_SUCCESS | |
| 39 | * Contacts list successfully created. | |
| 40 | * @retval GLOBUS_SOAP_MESSAGE_ERROR_TYPE_NULL_PARAM | |
| 41 | * One of @a contacts or @a contacts_length is NULL. | |
| 42 | * @retval GLOBUS_SERVICE_ENGINE_ERROR_TYPE_OUT_OF_MEMORY | |
| 43 | * Insufficient memory to copy contacts list. | |
| 44 | */ | |
| 45 | globus_result_t | |
| 46 | globus_service_get_engine_contacts( | |
| 47 | xsd_anyURI ** contacts, | |
| 48 | globus_size_t * contacts_length) | |
| 49 | 0 | { |
| 50 | 0 | globus_result_t result = GLOBUS_SUCCESS; |
| 51 | globus_size_t num_engines; | |
| 52 | globus_list_t * tmp; | |
| 53 | globus_service_engine_t tmp_engine; | |
| 54 | 0 | xsd_anyURI * contact_array = NULL; |
| 55 | 0 | int i = 0; |
| 56 | ||
| 57 | 0 | if (contacts == NULL || contacts_length == NULL) |
| 58 | { | |
| 59 | 0 | result = GlobusSoapMessageErrorNullParam; |
| 60 | ||
| 61 | 0 | goto out; |
| 62 | } | |
| 63 | 0 | GlobusServiceEngineExtensionLock(); |
| 64 | ||
| 65 | 0 | num_engines = globus_list_size(globus_i_service_engine_instances); |
| 66 | 0 | if (num_engines == 0) |
| 67 | { | |
| 68 | 0 | goto unlock_out; |
| 69 | } | |
| 70 | 0 | contact_array = calloc(num_engines, sizeof(xsd_anyURI)); |
| 71 | ||
| 72 | 0 | if (contact_array == NULL) |
| 73 | { | |
| 74 | 0 | result = GlobusServiceEngineErrorOutOfMemory; |
| 75 | ||
| 76 | 0 | goto unlock_out; |
| 77 | } | |
| 78 | ||
| 79 | 0 | tmp = globus_i_service_engine_instances; |
| 80 | 0 | while (!globus_list_empty(tmp)) |
| 81 | { | |
| 82 | 0 | tmp_engine = globus_list_first(tmp); |
| 83 | ||
| 84 | 0 | contact_array[i] = globus_libc_strdup(tmp_engine->contact); |
| 85 | ||
| 86 | 0 | if (contact_array[i] == NULL) |
| 87 | { | |
| 88 | 0 | result = GlobusServiceEngineErrorOutOfMemory; |
| 89 | ||
| 90 | 0 | for (i--; i >= 0; i--) |
| 91 | { | |
| 92 | 0 | free(contact_array[i]); |
| 93 | } | |
| 94 | ||
| 95 | 0 | free(contact_array); |
| 96 | ||
| 97 | 0 | contact_array = NULL; |
| 98 | 0 | i = 0; |
| 99 | ||
| 100 | 0 | goto unlock_out; |
| 101 | } | |
| 102 | ||
| 103 | 0 | i++; |
| 104 | ||
| 105 | 0 | tmp = globus_list_rest(tmp); |
| 106 | } | |
| 107 | ||
| 108 | 0 | unlock_out: |
| 109 | 0 | GlobusServiceEngineExtensionUnlock(); |
| 110 | ||
| 111 | 0 | *contacts = contact_array; |
| 112 | 0 | *contacts_length = i; |
| 113 | ||
| 114 | 0 | out: |
| 115 | 0 | return GLOBUS_SUCCESS; |
| 116 | } |