| /** |
| *Licensed to the Apache Software Foundation (ASF) under one |
| *or more contributor license agreements. See the NOTICE file |
| *distributed with this work for additional information |
| *regarding copyright ownership. The ASF licenses this file |
| *to you under the Apache License, Version 2.0 (the |
| *"License"); you may not use this file except in compliance |
| *with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| *Unless required by applicable law or agreed to in writing, |
| *software distributed under the License is distributed on an |
| *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| *specific language governing permissions and limitations |
| *under the License. |
| */ |
| /* |
| * log_sync.c |
| * |
| * \date Apr 19, 2012 |
| * \author <a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a> |
| * \copyright Apache License, Version 2.0 |
| */ |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <curl/curl.h> |
| #include <curl/easy.h> |
| |
| #include "celix_errno.h" |
| #include "celix_log.h" |
| #include "celixbool.h" |
| |
| #include "celix_threads.h" |
| |
| #include "log_sync.h" |
| #include "log_event.h" |
| |
| struct log_sync { |
| log_store_pt logStore; |
| |
| char *targetId; |
| bool running; |
| |
| celix_thread_t syncTask; |
| }; |
| |
| struct log_descriptor { |
| char *targetId; |
| unsigned long logId; |
| unsigned long low; |
| unsigned long high; |
| }; |
| |
| typedef struct log_descriptor *log_descriptor_pt; |
| |
| celix_status_t logSync_queryLog(log_sync_pt logSync, char *targetId, long logId, char **queryReply); |
| static size_t logSync_readQeury(void *contents, size_t size, size_t nmemb, void *userp); |
| static void *logSync_synchronize(void *logSyncP); |
| |
| celix_status_t logSync_create(char *targetId, log_store_pt store, log_sync_pt *logSync) { |
| celix_status_t status = CELIX_SUCCESS; |
| |
| *logSync = calloc(1, sizeof(**logSync)); |
| if (!*logSync) { |
| status = CELIX_ENOMEM; |
| } else { |
| (*logSync)->logStore = store; |
| (*logSync)->targetId = targetId; |
| (*logSync)->syncTask = celix_thread_default; |
| (*logSync)->running = true; |
| |
| celixThread_create(&(*logSync)->syncTask, NULL, logSync_synchronize, *logSync); |
| } |
| |
| return status; |
| } |
| |
| celix_status_t logSync_parseLogDescriptor(log_sync_pt logSync, char *descriptorString, log_descriptor_pt *descriptor) { |
| celix_status_t status = CELIX_SUCCESS; |
| |
| fw_log(logger, OSGI_FRAMEWORK_LOG_DEBUG, "Descriptor: %s", descriptorString); |
| char *last = NULL; |
| char *targetId = strtok_r(descriptorString, ",", &last); |
| char *logIdStr = strtok_r(NULL, ",", &last); |
| long logId = 0; |
| if (logIdStr != NULL) { |
| logId = atol(logIdStr); |
| } |
| char *range = strtok_r(NULL, ",", &last); |
| fw_log(logger, OSGI_FRAMEWORK_LOG_DEBUG, "Range: %s", range); |
| |
| long low = 0; |
| long high = 0; |
| if (range != NULL) { |
| char *rangeToken = NULL; |
| low = atol(strtok_r(range, "-", &rangeToken)); |
| high = atol(strtok_r(NULL, "-", &rangeToken)); |
| } |
| |
| *descriptor = calloc(1, sizeof(**descriptor)); |
| if (!*descriptor) { |
| status = CELIX_ENOMEM; |
| } else { |
| (*descriptor)->targetId = targetId; |
| (*descriptor)->logId = logId; |
| (*descriptor)->low = low; |
| (*descriptor)->high = high; |
| } |
| |
| return status; |
| } |
| |
| static void *logSync_synchronize(void *logSyncP) { |
| log_sync_pt logSync = logSyncP; |
| |
| while (logSync->running) { |
| |
| //query current log |
| // http://localhost:8080/auditlog/query?tid=targetid&logid=logid |
| char *logDescriptorString = NULL; |
| unsigned long id = 0; |
| logStore_getLogId(logSync->logStore, &id); |
| logSync_queryLog(logSync, logSync->targetId, id, &logDescriptorString); |
| log_descriptor_pt descriptor = NULL; |
| logSync_parseLogDescriptor(logSync, logDescriptorString, &descriptor); |
| |
| long highest = 0; |
| logStore_getHighestId(logSync->logStore, &highest); |
| |
| if (highest >= 0) { |
| int i; |
| for (i = descriptor->high + 1; i <= highest; i++) { |
| array_list_pt events = NULL; |
| logStore_getEvents(logSync->logStore, &events); |
| } |
| } |
| sleep(10); |
| } |
| |
| |
| celixThread_exit(NULL); |
| return NULL; |
| } |
| |
| struct MemoryStruct { |
| char *memory; |
| size_t size; |
| }; |
| |
| celix_status_t logSync_queryLog(log_sync_pt logSync, char *targetId, long logId, char **queryReply) { |
| // http://localhost:8080/auditlog/query?tid=targetid&logid=logid |
| celix_status_t status = CELIX_SUCCESS; |
| int length = strlen(targetId) + 60; |
| char query[length]; |
| snprintf(query, length, "http://localhost:8080/auditlog/query?tid=%s&logid=1", targetId); |
| |
| CURL *curl; |
| CURLcode res; |
| curl = curl_easy_init(); |
| struct MemoryStruct chunk; |
| chunk.memory = calloc(1, sizeof(char)); |
| chunk.size = 0; |
| if (curl) { |
| curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); |
| curl_easy_setopt(curl, CURLOPT_URL, query); |
| curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, logSync_readQeury); |
| curl_easy_setopt(curl, CURLOPT_WRITEDATA, &chunk); |
| curl_easy_setopt(curl, CURLOPT_FAILONERROR, true); |
| res = curl_easy_perform(curl); |
| if (res != CURLE_OK) { |
| status = CELIX_BUNDLE_EXCEPTION; |
| } |
| fw_log(logger, OSGI_FRAMEWORK_LOG_ERROR, "Error: %d", res); |
| /* always cleanup */ |
| curl_easy_cleanup(curl); |
| |
| *queryReply = strdup(chunk.memory); |
| } |
| |
| return status; |
| } |
| |
| static size_t logSync_readQeury(void *contents, size_t size, size_t nmemb, void *userp) { |
| size_t realsize = size * nmemb; |
| struct MemoryStruct *mem = (struct MemoryStruct *)userp; |
| |
| mem->memory = realloc(mem->memory, mem->size + realsize + 1); |
| if (mem->memory == NULL) { |
| /* out of memory! */ |
| fw_log(logger, OSGI_FRAMEWORK_LOG_ERROR, "not enough memory (realloc returned NULL)"); |
| exit(EXIT_FAILURE); |
| } |
| |
| memcpy(&(mem->memory[mem->size]), contents, realsize); |
| mem->size += realsize; |
| mem->memory[mem->size] = 0; |
| |
| return realsize; |
| } |