Exemple #1
0
void CHttpServer::http_handle_postdata(struct evhttp_request *req, void *arg)
{
	CHttpServer *pthis = (CHttpServer *)arg;
    	
    // 请求是用POST发送的，下面的evhttp_request_uri和evhttp_parse_query函数
	// 不能正确解析uri中的参数，Libevent库的BUG！
	char *decode_uri;
	struct evkeyvalq params;
	decode_uri = strdup((char *)evhttp_request_uri(req));
	evhttp_parse_query(decode_uri, &params);
	free(decode_uri);
    
	// POST
	int buffer_data_len;
	buffer_data_len = EVBUFFER_LENGTH(req->input_buffer);
	//char *post_data;
	if (buffer_data_len) {
		char *buffer_data = (char *) malloc(buffer_data_len + 1);
		memset(buffer_data, '\0', buffer_data_len + 1);
		memcpy(buffer_data, EVBUFFER_DATA(req->input_buffer), buffer_data_len);
		//post_data = (char *) EVBUFFER_DATA(req->input_buffer);
//printf("------------------------start---------------------------------------------\n");
//printf("%s\n", buffer_data);
//printf("------------------------end-----------------------------------------------\n");
		//if(NULL == buffer_data)
			//return;
		http_reponse(req, &params, 200, "OK");	
		// 转发给云评估系统
		size_t stat_code;
		char *uri = g_confvalue.url_path;
		stat_code = httpPostAsyn(uri, buffer_data, strlen(buffer_data)+1, NULL);	
		//logrun("http trans response code:[%d]", stat_code);
		// 缓存数据等待重发
		if (stat_code != 200) { //200:OK
#ifdef DEBUG
			printf("forward datas fail, datas to buffer.\n");
			//pthread_mutex_lock(&pthis->m_mutex);
			logbuf("%s", buffer_data);
			//pthread_mutex_unlock(&pthis->m_mutex);
#else
			logrun("forward datas fail, datas to buffer.");
			//pthread_mutex_lock(&pthis->m_mutex);
			logbuf("%s", buffer_data);
			//pthread_mutex_unlock(&pthis->m_mutex);
#endif
		}
		// 解析收到的json格式的OpenStack数据
		parse_openstack_data(arg, req, params, buffer_data);
		free(buffer_data);
	} else {
		logrun("rece post data nothing.");
		http_reponse(req, &params, 400, "ERROR");
	}
    
	return;
}
Exemple #2
0
bool LogReader::onDataAvailable(SocketClient *cli) {
    prctl(PR_SET_NAME, "logd.reader");

    char buffer[255];

    int len = read(cli->getSocket(), buffer, sizeof(buffer) - 1);
    if (len <= 0) {
        doSocketDelete(cli);
        return false;
    }
    buffer[len] = '\0';

    unsigned long tail = 0;
    static const char _tail[] = " tail=";
    char *cp = strstr(buffer, _tail);
    if (cp) {
        tail = atol(cp + sizeof(_tail) - 1);
    }

    log_time start(log_time::EPOCH);
    static const char _start[] = " start=";
    cp = strstr(buffer, _start);
    if (cp) {
        // Parse errors will result in current time
        start.strptime(cp + sizeof(_start) - 1, "%s.%q");
    }

    unsigned int logMask = -1;
    static const char _logIds[] = " lids=";
    cp = strstr(buffer, _logIds);
    if (cp) {
        logMask = 0;
        cp += sizeof(_logIds) - 1;
        while (*cp && *cp != '\0') {
            int val = 0;
            while (isdigit(*cp)) {
                val = val * 10 + *cp - '0';
                ++cp;
            }
            logMask |= 1 << val;
            if (*cp != ',') {
                break;
            }
            ++cp;
        }
    }

    pid_t pid = 0;
    static const char _pid[] = " pid=";
    cp = strstr(buffer, _pid);
    if (cp) {
        pid = atol(cp + sizeof(_pid) - 1);
    }

    bool nonBlock = false;
    if (strncmp(buffer, "dumpAndClose", 12) == 0) {
        nonBlock = true;
    }

    // Convert realtime to monotonic time
    if (start == log_time::EPOCH) {
        start = LogTimeEntry::EPOCH;
    } else {
        class LogFindStart {
            const pid_t mPid;
            const unsigned mLogMask;
            bool startTimeSet;
            log_time &start;
            log_time last;

        public:
            LogFindStart(unsigned logMask, pid_t pid, log_time &start)
                    : mPid(pid)
                    , mLogMask(logMask)
                    , startTimeSet(false)
                    , start(start)
                    , last(LogTimeEntry::EPOCH)
            { }

            static bool callback(const LogBufferElement *element, void *obj) {
                LogFindStart *me = reinterpret_cast<LogFindStart *>(obj);
                if (!me->startTimeSet
                        && (!me->mPid || (me->mPid == element->getPid()))
                        && (me->mLogMask & (1 << element->getLogId()))) {
                    if (me->start == element->getRealTime()) {
                        me->start = element->getMonotonicTime();
                        me->startTimeSet = true;
                    } else {
                        if (me->start < element->getRealTime()) {
                            me->start = me->last;
                            me->startTimeSet = true;
                        }
                        me->last = element->getMonotonicTime();
                    }
                }
                return false;
            }

            bool found() { return startTimeSet; }
        } logFindStart(logMask, pid, start);

        logbuf().flushTo(cli, LogTimeEntry::EPOCH,
                         FlushCommand::hasReadLogs(cli),
                         logFindStart.callback, &logFindStart);

        if (!logFindStart.found()) {
            if (nonBlock) {
                doSocketDelete(cli);
                return false;
            }
            log_time now(CLOCK_MONOTONIC);
            start = now;
        }
    }

    FlushCommand command(*this, nonBlock, tail, logMask, pid, start);
    command.runSocketCommand(cli);
    return true;
}