diff options
Diffstat (limited to '')
| -rw-r--r-- | contrib/omhttpfs/Makefile.am | 9 | ||||
| -rw-r--r-- | contrib/omhttpfs/Makefile.in | 798 | ||||
| -rw-r--r-- | contrib/omhttpfs/omhttpfs.c | 855 |
3 files changed, 1662 insertions, 0 deletions
diff --git a/contrib/omhttpfs/Makefile.am b/contrib/omhttpfs/Makefile.am new file mode 100644 index 0000000..d3af018 --- /dev/null +++ b/contrib/omhttpfs/Makefile.am @@ -0,0 +1,9 @@ +pkglib_LTLIBRARIES = omhttpfs.la + +omhttpfs_la_SOURCES = omhttpfs.c +omhttpfs_la_CPPFLAGS = $(RSRT_CFLAGS) $(PTHREADS_CFLAGS) $(CURL_CFLAGS) $(LIBFASTJSON_CFLAGS) +omhttpfs_la_LDFLAGS = -module -avoid-version +omhttpfs_la_LIBADD = $(CURL_LIBS) $(LIBFASTJSON_LIBS) + + +EXTRA_DIST = diff --git a/contrib/omhttpfs/Makefile.in b/contrib/omhttpfs/Makefile.in new file mode 100644 index 0000000..a55d0bc --- /dev/null +++ b/contrib/omhttpfs/Makefile.in @@ -0,0 +1,798 @@ +# Makefile.in generated by automake 1.16.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2018 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * -or- + * see COPYING.ASL20 in the source distribution + * + * 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. + */ +#include "config.h" +#include "rsyslog.h" +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <signal.h> +#include <errno.h> +#include <unistd.h> +#include <curl/curl.h> +#include <json.h> +#include <json_object.h> + + +#include "conf.h" +#include "syslogd-types.h" +#include "srUtils.h" +#include "template.h" +#include "module-template.h" +#include "errmsg.h" +#include "cfsysline.h" +#include "datetime.h" +#include "statsobj.h" +#include "unicode-helper.h" + +MODULE_TYPE_OUTPUT +MODULE_TYPE_NOKEEP +MODULE_CNFNAME("omhttpfs") + +/* internal structures + */ +DEF_OMOD_STATIC_DATA +DEFobjCurrIf(glbl) +DEFobjCurrIf(datetime) + +/* local definitions */ +#define OMHTTPFS_VERSION "1.0" +#define OMHTTPFS_DEFAULT_PORT 14000 +#define OMHTTPFS_DEFAULT_USER "hdfs" +#define OMHTTPFS_DEFAULT_HOST "127.0.0.1" + +#define HTTPFS_URL_PREFIX_V1 "/webhdfs/v1" +#define HTTPFS_URL_PREFIX_V1_SSL "/swebhdfs/v1" +#define HTTPFS_CONTENT_TYPE "Content-Type: application/octet-stream" +#define HTTPFS_USER_AGENT "omhttpfs by sskaje/" OMHTTPFS_VERSION + +#define HTTPFS_CONTENT_TYPE_JSON "application/json" +#define HTTPFS_JSON_BOOLEAN_TRUE "{\"boolean\":true}" + +#define HTTPFS_FILEALREADYEXISTSEXCEPTION "FileAlreadyExistsException" + +#define HTTPFS_URL_BUFFER_LENGTH 2048 + + +/* +Examples: + +module(load="omhttpfs") +template(name="hdfs_tmp_file" type="string" string="/tmp/%$YEAR%/test.log") +template(name="hdfs_tmp_filecontent" type="string" string="%$YEAR%-%$MONTH%-%$DAY% %MSG% ==\n") +local4.* action(type="omhttpfs" host="10.1.1.161" port="14000" https="off" file="hdfs_tmp_file" isDynFile="on") +local5.* action(type="omhttpfs" host="10.1.1.161" port="14000" https="off" file="hdfs_tmp_file" isDynFile="on" +template="hdfs_tmp_filecontent") + +*/ + +#define DPP(x) DBGPRINTF("OMHTTPFS: %s:%d %s(): %s\n", __FILE__, __LINE__, __FUNCTION__, x) + +/** + * Exception object + * + */ +typedef struct _HTTPFS_JSON_REMOTE_EXCEPTION { + char message[1024]; + char exception[256]; + char class[256]; +} httpfs_json_remote_exception; + + +typedef struct _instanceData { + sbool https; + uchar* host; + uchar* ip; + int port; + uchar* user; + + int timeout; + uchar* file; + sbool isDynFile; + + uchar* tplName; +} instanceData; + + +typedef struct wrkrInstanceData { + instanceData *pData; + + CURL* curl; + + uchar* file; + + int replyLen; + char* reply; +} wrkrInstanceData_t; + + +/* tables for interfacing with the v6 config system */ +/* action (instance) parameters */ +static struct cnfparamdescr actpdescr[] = { + { "host", eCmdHdlrGetWord, 0 }, + { "port", eCmdHdlrInt, 0 }, + { "user", eCmdHdlrGetWord, 0 }, + { "https", eCmdHdlrBinary, 0 }, + { "file", eCmdHdlrGetWord, CNFPARAM_REQUIRED }, + { "isdynfile", eCmdHdlrBinary, 0 }, + { "template", eCmdHdlrGetWord, 0 }, +}; +static struct cnfparamblk actpblk = { + CNFPARAMBLK_VERSION, + sizeof(actpdescr)/sizeof(struct cnfparamdescr), + actpdescr +}; + +/** + * curl init + * + * @param wrkrInstanceData_t *pWrkrData + * @param instanceData *pData + * @return rsRetVal + */ +static rsRetVal +httpfs_init_curl(wrkrInstanceData_t *pWrkrData, instanceData *pData) +{ + CURL *curl = NULL; + + curl = curl_easy_init(); + + if (curl) { + curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L); + + curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L); + + if (pData->https) { + DBGPRINTF("%s(): Enable HTTPS\n", __FUNCTION__); + /* for ssl */ + curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L); + curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L); + } + } else { + /* LOG */ + LogError(0, RS_RET_OBJ_CREATION_FAILED, "omhttpfs: failed to init cURL\n"); + + return RS_RET_OBJ_CREATION_FAILED; + } + + curl_easy_setopt(curl, CURLOPT_USERAGENT, HTTPFS_USER_AGENT); + + pWrkrData->curl = curl; + return RS_RET_OK; +} + +/** + * Build HTTPFS URL + * + * @param wrkrInstanceData_t *pWrkrData + * @param char* op + * @param es_str_t** url_buf + * @return rsRetVal + */ +static rsRetVal +httpfs_build_url(wrkrInstanceData_t *pWrkrData, const char* op, es_str_t** url_buf) +{ + *url_buf = es_newStr(HTTPFS_URL_BUFFER_LENGTH); + + if (pWrkrData->pData->https) { + es_addBuf(url_buf, "https://", sizeof("https://")-1); + } else { + es_addBuf(url_buf, "http://", sizeof("http://")-1); + } + + /* host */ + es_addBuf(url_buf, (char* )pWrkrData->pData->host, strlen((char*)pWrkrData->pData->host)); + + /* port */ + es_addChar(url_buf, ':'); + char portBuf[6]; + snprintf(portBuf, sizeof(portBuf), "%d", pWrkrData->pData->port); + es_addBuf(url_buf, portBuf, strlen(portBuf)); + + /* prefix */ + es_addBuf(url_buf, HTTPFS_URL_PREFIX_V1, sizeof(HTTPFS_URL_PREFIX_V1)-1); + + /* path */ + if (pWrkrData->file[0] != '/') { + es_addChar(url_buf, '/'); + } + es_addBuf(url_buf, (char* )pWrkrData->file, strlen((char* )pWrkrData->file)); + + /* queries */ + /* user */ + es_addBuf(url_buf, "?user.name=", sizeof("?user.name=")-1); + es_addBuf(url_buf, (char* )pWrkrData->pData->user, strlen((char* )pWrkrData->pData->user)); + + /* extra parameters */ + es_addBuf(url_buf, op, strlen(op)); + + return RS_RET_OK; +} + +/** + * curl set URL + * + * @param wrkrInstanceData_t *pWrkrData + * @param char* op + * @return void + */ +static void httpfs_set_url(wrkrInstanceData_t *pWrkrData, const char* op) +{ + es_str_t* url; + char* url_cstr; + httpfs_build_url(pWrkrData, op, &url); + url_cstr = es_str2cstr(url, NULL); + + curl_easy_setopt(pWrkrData->curl, CURLOPT_URL, url_cstr); + free(url_cstr); +} +/** + * Set http method to PUT + * + * @param CURL* curl + * @return void + */ +static void httpfs_curl_set_put(CURL* curl) +{ + curl_easy_setopt(curl, CURLOPT_HTTPGET, 0L); + curl_easy_setopt(curl, CURLOPT_NOBODY, 0L); + curl_easy_setopt(curl, CURLOPT_POST, 0L); + curl_easy_setopt(curl, CURLOPT_PUT, 0L); + curl_easy_setopt(curl, CURLOPT_UPLOAD, 0L); + + curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT"); +} +/** + * Set http method to POST + * + * @param CURL* curl + * @return void + */ +static void httpfs_curl_set_post(CURL* curl) +{ + curl_easy_setopt(curl, CURLOPT_HTTPGET, 0L); + curl_easy_setopt(curl, CURLOPT_NOBODY, 0L); + curl_easy_setopt(curl, CURLOPT_PUT, 0L); + curl_easy_setopt(curl, CURLOPT_UPLOAD, 0L); + curl_easy_setopt(curl, CURLOPT_POST, 1L); + + curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST"); +} + +/** + * Build curl slist + * + * @param struct curl_slist* headers + * @param int hdr_count + * @param ... + * @return struct curl_slist* + */ +static struct curl_slist* +httpfs_curl_add_header(struct curl_slist* headers, int hdr_count, ...) +{ + const char* hdr; + + va_list ar; + va_start(ar, hdr_count); + for (; hdr_count > 0; hdr_count--) { + hdr = va_arg(ar, const char*); + + if (hdr != NULL + && hdr[0] != 0) { + /* non-empty string */ + headers = curl_slist_append(headers, hdr); + } else { + break; + } + } + va_end(ar); + + headers = curl_slist_append(headers, "Expect:"); + headers = curl_slist_append(headers, "Transfer-Encoding:"); + + return headers; +} + +/** + * Callback function for CURLOPT_WRITEFUNCTION + * + * @param void* contents + * @param size_t size + * @param size_t nmemb + * @param void *userp + * @return size_t + */ +static size_t +httpfs_curl_result_callback(void *contents, size_t size, size_t nmemb, void *userp) +{ + size_t realsize = size * nmemb; + char *newreply = NULL; + wrkrInstanceData_t *mem = (wrkrInstanceData_t *)userp; + + newreply = realloc(mem->reply, mem->replyLen + realsize + 1); + if (newreply == NULL) { + /* out of memory! */ + dbgprintf("not enough memory (realloc returned NULL)\n"); + + if (mem->reply != NULL) + free(mem->reply); + + mem->reply = NULL; + mem->replyLen = 0; + + return 0; + } + + mem->reply = newreply; + memcpy(&(mem->reply[mem->replyLen]), contents, realsize); + mem->replyLen += realsize; + mem->reply[mem->replyLen] = 0; + + return realsize; +} + +/** + * Variables declaration + * used in httpfs related operation + */ +#define HTTPFS_CURL_VARS_INIT \ + struct curl_slist* headers = NULL; \ + long response_code; \ + CURLcode res; \ + char* content_type; + +/** + * Resource release + * used in httpfs related operation + */ +#define HTTPFS_CURL_VARS_RELEASE \ + curl_slist_free_all(headers); + +/** + * Curl execution + * used in httpfs related operation + */ +#define HTTPFS_CURL_EXEC \ + pWrkrData->reply = NULL; \ + pWrkrData->replyLen = 0; \ + curl_easy_setopt(pWrkrData->curl, CURLOPT_WRITEDATA, pWrkrData); \ + curl_easy_setopt(pWrkrData->curl, CURLOPT_WRITEFUNCTION, httpfs_curl_result_callback); \ + res = curl_easy_perform(pWrkrData->curl); \ + if (res == CURLE_OK) { \ + curl_easy_getinfo(pWrkrData->curl, CURLINFO_CONTENT_TYPE, &content_type); \ + if (strncmp(content_type, HTTPFS_CONTENT_TYPE_JSON, strlen(HTTPFS_CONTENT_TYPE_JSON))) { \ + } \ + curl_easy_getinfo(pWrkrData->curl, CURLINFO_RESPONSE_CODE, &response_code); \ + if (pWrkrData->reply != NULL) { \ + pWrkrData->reply[pWrkrData->replyLen] = '\0'; \ + } \ + } else { \ + LogError(0, RS_RET_ERR, "CURL request fail, code=%d, error string=%s\n", res, curl_easy_strerror(res)); \ + return -1; \ + } + +/** + * Parse remote exception json string + * + * @param char* buf + * @param int length + * @param httpfs_json_remote_exception* jre + * @return rsRetVal + */ +static rsRetVal +httpfs_parse_exception(char* buf, int length, httpfs_json_remote_exception* jre) +{ + DEFiRet; + + if (!length) { + return RS_RET_JSON_PARSE_ERR; + } + + struct json_tokener* jt = json_tokener_new(); + json_tokener_reset(jt); + + struct json_object *json; + json = json_tokener_parse_ex(jt, buf, length); + if (!json_object_is_type(json, json_type_object)) { + ABORT_FINALIZE(RS_RET_JSON_PARSE_ERR); + } + + if (!json_object_object_get_ex(json, "RemoteException", &json)) { + ABORT_FINALIZE(RS_RET_JSON_PARSE_ERR); + } + + struct json_object *jobj; + + memset(jre, 0, sizeof(*jre)); + + const char *str; + + json_object_object_get_ex(json, "javaClassName", &jobj); + str = json_object_get_string(jobj); + strncpy(jre->class, str, sizeof(jre->class)); + jre->class[sizeof(jre->class)-1] = '\0'; + + json_object_object_get_ex(json, "exception", &jobj); + str = json_object_get_string(jobj); + strncpy(jre->exception, str, sizeof(jre->exception)); + jre->exception[sizeof(jre->exception)-1] = '\0'; + + json_object_object_get_ex(json, "message", &jobj); + str = json_object_get_string(jobj); + strncpy(jre->message, str, sizeof(jre->message)); + jre->message[sizeof(jre->message)-1] = '\0'; + +finalize_it: + if(jt != NULL) + json_tokener_free(jt); + if(json != NULL) + json_object_put(json); + RETiRet; +} + + + +/** + * Create a file + * op=CREATE + * overwrite is turned off + * + * @param wrkrInstanceData_t *pWrkrData + * @param char* buf + * @return rsRetVal + */ +static rsRetVal +httpfs_create_file(wrkrInstanceData_t *pWrkrData, uchar* buf) +{ + /* httpfs.create automatically create folders, no mkdirs needed. */ + + /* + curl -b /tmp/c.tmp -c /tmp/c.tmp -d 'aaaaabbbbb' -i -H 'Content-Type: application/octet-stream' -X PUT \ + 'http://172.16.3.20:14000/webhdfs/v1/tmp/a/b?user.name=hdfs&op=create&data=true' + */ +HTTPFS_CURL_VARS_INIT + DBGPRINTF("%s(): file=%s\n", __FUNCTION__, pWrkrData->file); + httpfs_curl_set_put(pWrkrData->curl); + + /* +overwrite - if a file with this name already exists, then if true, the file will be overwritten, and if +false an error will be thrown. +bufferSize - the size of the buffer to be used. +replication - required block replication for the file. + */ + httpfs_set_url(pWrkrData, "&op=create&overwrite=false&data=true"); + + curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDS, (char*)buf); + curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDSIZE, strlen((char*) buf)); + + DBGPRINTF("%s(): msg=%s\n", __FUNCTION__, buf); + + headers = httpfs_curl_add_header(headers, 1, HTTPFS_CONTENT_TYPE); + curl_easy_setopt(pWrkrData->curl, CURLOPT_HTTPHEADER, headers); + +HTTPFS_CURL_EXEC + + int success = 0; + + if (response_code == 201) { + success = 1; + } + +HTTPFS_CURL_VARS_RELEASE + if (success) { + return RS_RET_OK; + } else { + return RS_RET_FALSE; + } +} + +/** + * Append to file + * op=APPEND + * + * @param wrkrInstanceData_t *pWrkrData + * @param char* buf + * @return rsRetVal + */ +static rsRetVal +httpfs_append_file(wrkrInstanceData_t *pWrkrData, uchar* buf) +{ + /* + curl -b /tmp/c.tmp -c /tmp/c.tmp -d 'aaaaabbbbb' -i -H 'Content-Type: application/octet-stream' \ + 'http://172.16.3.20:14000/webhdfs/v1/tmp/a/b?user.name=hdfs&op=append&data=true' + */ +HTTPFS_CURL_VARS_INIT + DBGPRINTF("%s(): file=%s\n", __FUNCTION__, pWrkrData->file); + httpfs_curl_set_post(pWrkrData->curl); + httpfs_set_url(pWrkrData, "&op=append&data=true"); + + curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDS, (char*)buf); + curl_easy_setopt(pWrkrData->curl, CURLOPT_POSTFIELDSIZE, strlen((char*) buf)); + + headers = httpfs_curl_add_header(headers, 1, HTTPFS_CONTENT_TYPE); + curl_easy_setopt(pWrkrData->curl, CURLOPT_HTTPHEADER, headers); + DBGPRINTF("%s(): msg=%s\n", __FUNCTION__, buf); + +HTTPFS_CURL_EXEC + + int success = 0; + + if (response_code == 200) { + success = 1; + } else if (response_code == 404) { + /* TODO: 404 ? */ + + } +HTTPFS_CURL_VARS_RELEASE + if (success) { + return RS_RET_OK; + } else { + return RS_RET_FALSE; + } +} + + +/** + * httpfs log + * + * @param wrkrInstanceData_t *pWrkrData + * @param uchar* buf + * @return rsRetVal + */ +static rsRetVal +httpfs_log(wrkrInstanceData_t *pWrkrData, uchar* buf) +{ + /** + append ? 200/end : (404 || ?) + create & ~overwrite ? 201/200/end : + append ? 200/end : error ? + + + */ + DEFiRet; + + long response_code; + httpfs_json_remote_exception jre; + + iRet = httpfs_append_file(pWrkrData, buf); + if (iRet == RS_RET_OK) { + DBGPRINTF("omhttpfs: Append success: %s\n", pWrkrData->file); + return RS_RET_OK; + } + + curl_easy_getinfo(pWrkrData->curl, CURLINFO_RESPONSE_CODE, &response_code); + if (response_code != 404) { + /* TODO: log error */ + DBGPRINTF("omhttpfs: Append fail HTTP %ld: %s\n", response_code, pWrkrData->file); + return RS_RET_FALSE; + } + + iRet = httpfs_create_file(pWrkrData, buf); + if (iRet == RS_RET_OK) { + DBGPRINTF("omhttpfs: Create file success: %s\n", pWrkrData->file); + return RS_RET_OK; + } + + curl_easy_getinfo(pWrkrData->curl, CURLINFO_RESPONSE_CODE, &response_code); + if (response_code == 201) { + DBGPRINTF("omhttpfs: Create file success HTTP 201: %s\n", pWrkrData->file); + return RS_RET_OK; + } + + if (response_code == 500) { + DBGPRINTF("omhttpfs: Create file failed HTTP %ld: %s\n", response_code, pWrkrData->file); + httpfs_parse_exception(pWrkrData->reply, pWrkrData->replyLen, &jre); + if (!strncmp(jre.exception, HTTPFS_FILEALREADYEXISTSEXCEPTION, strlen(HTTPFS_FILEALREADYEXISTSEXCEPTION))) { + /* file exists, go to append */ + DBGPRINTF("omhttpfs: File already exists, append again: %s\n", pWrkrData->file); + + iRet = httpfs_append_file(pWrkrData, buf); + if (iRet == RS_RET_OK) { + DBGPRINTF("omhttpfs: Re-Append success: %s\n", pWrkrData->file); + return RS_RET_OK; + } else { + DBGPRINTF("omhttpfs: Re-Append failed: %s\n", pWrkrData->file); + /* error + exit */ + } + + } else { + DBGPRINTF("omhttpfs: Create file failed: %s %s\n", pWrkrData->file, pWrkrData->reply); + } + } else { + DBGPRINTF("omhttpfs: Create file failed: %s %s\n", pWrkrData->file, pWrkrData->reply); + } + + return RS_RET_FALSE; +} + + +BEGINinitConfVars + CODESTARTinitConfVars +ENDinitConfVars + + +BEGINcreateInstance +CODESTARTcreateInstance + DBGPRINTF("omhttpfs: createInstance\n"); +ENDcreateInstance + + +BEGINcreateWrkrInstance +CODESTARTcreateWrkrInstance + DBGPRINTF("omhttpfs: createWrkrInstance\n"); + pWrkrData->curl = NULL; + iRet = httpfs_init_curl(pWrkrData, pWrkrData->pData); + DBGPRINTF("omhttpfs: createWrkrInstance,pData %p/%p, pWrkrData %p\n", + pData, pWrkrData->pData, pWrkrData); +ENDcreateWrkrInstance + + +BEGINisCompatibleWithFeature +CODESTARTisCompatibleWithFeature + if(eFeat == sFEATURERepeatedMsgReduction) + iRet = RS_RET_OK; +ENDisCompatibleWithFeature + + +BEGINfreeInstance +CODESTARTfreeInstance + free(pData->file); + free(pData->tplName); + free(pData->host); + free(pData->user); +ENDfreeInstance + + +BEGINfreeWrkrInstance +CODESTARTfreeWrkrInstance + free(pWrkrData->file); + + if(pWrkrData->curl) { + curl_easy_cleanup(pWrkrData->curl); + pWrkrData->curl = NULL; + } +ENDfreeWrkrInstance + + +BEGINdbgPrintInstInfo +CODESTARTdbgPrintInstInfo + DBGPRINTF("OmHTTPFS\n"); + DBGPRINTF("Version: %s\n", OMHTTPFS_VERSION); + DBGPRINTF("\tHost: %s\n", pData->host); + DBGPRINTF("\tPort: %d\n", pData->port); + DBGPRINTF("\tUser: %s\n", pData->user); + DBGPRINTF("\tFile: %s\n", pData->file); +ENDdbgPrintInstInfo + + +BEGINtryResume +CODESTARTtryResume + DBGPRINTF("omhttpfs: tryResume called\n"); + /* TODO: test networking */ + iRet = RS_RET_OK; +ENDtryResume + +/** +* Do Action +*/ +BEGINdoAction +CODESTARTdoAction + DBGPRINTF("omhttpfs: doAction\n"); + /* dynamic file name */ + if (pWrkrData->pData->isDynFile) { + pWrkrData->file = ustrdup(ppString[1]); + } else { + pWrkrData->file = ustrdup(pWrkrData->pData->file); + } + + /* ppString[0] -> log content */ + iRet = httpfs_log(pWrkrData, ppString[0]); + + if(iRet != RS_RET_OK) { + DBGPRINTF("omhttpfs: error writing httpfs, suspending\n"); + iRet = RS_RET_SUSPENDED; + } +ENDdoAction + + + +/** + * Set default parameters + * + * @param instanceData *pData + * @return void + */ +static void +setInstParamDefaults(instanceData *pData) +{ + pData->host = (uchar*) strdup(OMHTTPFS_DEFAULT_HOST); + pData->port = OMHTTPFS_DEFAULT_PORT; + pData->user = (uchar*) strdup(OMHTTPFS_DEFAULT_USER); + pData->https = 0; + + pData->file = NULL; + pData->isDynFile = 0; + pData->tplName = NULL; +} + + +BEGINnewActInst + struct cnfparamvals *pvals; + int i; + uchar *tplToUse; +CODESTARTnewActInst + if((pvals = nvlstGetParams(lst, &actpblk, NULL)) == NULL) { + ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS); + } + + CHKiRet(createInstance(&pData)); + setInstParamDefaults(pData); + + for(i = 0 ; i < actpblk.nParams ; ++i) { + if(!pvals[i].bUsed) + continue; + if(!strcmp(actpblk.descr[i].name, "host")) { + pData->host = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "port")) { + pData->port = (int) pvals[i].val.d.n; + } else if(!strcmp(actpblk.descr[i].name, "user")) { + pData->user = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + + } else if(!strcmp(actpblk.descr[i].name, "https")) { + pData->https = pvals[i].val.d.n ? 1 : 0; + + } else if(!strcmp(actpblk.descr[i].name, "file")) { + pData->file = (uchar *) es_str2cstr(pvals[i].val.d.estr, NULL); + + } else if(!strcmp(actpblk.descr[i].name, "isdynfile")) { + pData->isDynFile = pvals[i].val.d.n ? 1 : 0; + + } else if(!strcmp(actpblk.descr[i].name, "template")) { + pData->tplName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else { + DBGPRINTF("omhttpfs: program error, non-handled param '%s'\n", actpblk.descr[i].name); + } + } + if(pData->file == NULL) { + /* Note: this is primarily to make clang static analyzer happy, as we + * request via pblk that file is a mandatory parameter. However, this is + * also a guard against something going really wrong... + */ + LogError(0, RS_RET_INTERNAL_ERROR, "omhttpfs: file is not set " + "[this should not be possible]\n"); + ABORT_FINALIZE(RS_RET_INTERNAL_ERROR); + } + if(pData->user == NULL || pData->user[0] == '\0') { + pData->user = ustrdup((uchar*) OMHTTPFS_DEFAULT_USER); + } + if(pData->host == NULL || pData->host[0] == '\0') { + pData->host = ustrdup((uchar*) OMHTTPFS_DEFAULT_HOST); + } + + if (pData->isDynFile) { + CODE_STD_STRING_REQUESTparseSelectorAct(2) + + CHKiRet(OMSRsetEntry(*ppOMSR, 1, ustrdup(pData->file), OMSR_NO_RQD_TPL_OPTS)); + } else { + CODE_STD_STRING_REQUESTparseSelectorAct(1) + } + + tplToUse = ustrdup((pData->tplName == NULL) ? (uchar* ) "RSYSLOG_FileFormat" : pData->tplName); + iRet = OMSRsetEntry(*ppOMSR, 0, tplToUse, OMSR_NO_RQD_TPL_OPTS); + +CODE_STD_FINALIZERnewActInst + cnfparamvalsDestruct(pvals, &actpblk); +ENDnewActInst + + +NO_LEGACY_CONF_parseSelectorAct + + +/** +* Module Exit +*/ +BEGINmodExit +CODESTARTmodExit + /* */ + curl_global_cleanup(); + + /* release what we no longer need */ + objRelease(datetime, CORE_COMPONENT); + objRelease(glbl, CORE_COMPONENT); + +ENDmodExit + +/** +* Query Entry Point +*/ +BEGINqueryEtryPt +CODESTARTqueryEtryPt + CODEqueryEtryPt_STD_OMOD_QUERIES + CODEqueryEtryPt_STD_CONF2_OMOD_QUERIES + CODEqueryEtryPt_STD_OMOD8_QUERIES + CODEqueryEtryPt_STD_CONF2_CNFNAME_QUERIES +ENDqueryEtryPt + + +/** +* Module Init +*/ +BEGINmodInit() +CODESTARTmodInit +INITLegCnfVars + *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */ +CODEmodInit_QueryRegCFSLineHdlr + /* tell which objects we need */ + CHKiRet(objUse(glbl, CORE_COMPONENT)); + CHKiRet(objUse(datetime, CORE_COMPONENT)); + + if (curl_global_init(CURL_GLOBAL_ALL) != 0) { + LogError(0, RS_RET_OBJ_CREATION_FAILED, "CURL fail. -httpfs module init failed"); + ABORT_FINALIZE(RS_RET_OBJ_CREATION_FAILED); + } + + DBGPRINTF("omhttpfs version %s is initializing\n", OMHTTPFS_VERSION); + +ENDmodInit |