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/*
*
* (C) 2013-22 - ntop.org
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _ZMQ_PARSER_INTERFACE_H_
#define _ZMQ_PARSER_INTERFACE_H_
#include "ntop_includes.h"
class ZMQParserInterface : public ParserInterface {
private:
typedef std::pair<u_int32_t, u_int32_t> pen_value_t;
typedef std::map<string, pen_value_t> labels_map_t;
typedef std::map<pen_value_t, string> descriptions_map_t;
labels_map_t labels_map; /* Contains mappings between labels and integer IDs (PEN and ID) */
descriptions_map_t descriptions_map; /* Contains mappings between integer IDs and descriptions */
bool once, is_sampled_traffic;
u_int32_t flow_max_idle, returned_flow_max_idle;
u_int64_t zmq_initial_bytes, zmq_initial_pkts,
zmq_remote_initial_exported_flows;
std::map<u_int8_t, ZMQ_RemoteStats*>source_id_last_zmq_remote_stats;
ZMQ_RemoteStats *zmq_remote_stats, *zmq_remote_stats_shadow;
u_int32_t remote_lifetime_timeout, remote_idle_timeout;
struct timeval last_zmq_remote_stats_update;
RwLock lock;
#ifdef NTOPNG_PRO
CustomAppMaps *custom_app_maps;
#endif
bool preprocessFlow(ParsedFlow *flow);
void addMapping(const char *sym, u_int32_t num, u_int32_t pen = 0, const char *descr = NULL);
bool parsePENZeroField(ParsedFlow * const flow, u_int32_t field, ParsedValue *value) const;
bool parsePENNtopField(ParsedFlow * const flow, u_int32_t field, ParsedValue *value) const;
bool matchPENZeroField(ParsedFlow * const flow, u_int32_t field, ParsedValue *value) const;
bool matchPENNtopField(ParsedFlow * const flow, u_int32_t field, ParsedValue *value) const;
static bool parseContainerInfo(json_object *jo, ContainerInfo * const container_info);
bool parseNProbeAgentField(ParsedFlow * const flow, const char * const key, ParsedValue *value, json_object * const jvalue) const;
int parseSingleJSONFlow(json_object *o, u_int8_t source_id);
int parseSingleTLVFlow(ndpi_deserializer *deserializer, u_int8_t source_id);
void setFieldMap(const ZMQ_FieldMap * const field_map) const;
void setFieldValueMap(const ZMQ_FieldValueMap * const field_value_map) const;
u_int8_t parseOptionFieldMap(json_object * const jo) const;
u_int8_t parseOptionFieldValueMap(json_object * const jo) const;
protected:
struct {
u_int32_t num_flows, /* flows processed */
num_dropped_flows, /* flows unhandles (received but no room in the flow hash) */
num_events, num_counters, num_hello, num_listening_ports,
num_templates, num_options, num_network_events,
zmq_msg_rcvd, zmq_msg_drops;
} recvStats, recvStatsCheckpoint;
inline void updateFlowMaxIdle() { returned_flow_max_idle = max(remote_idle_timeout, flow_max_idle); }
public:
ZMQParserInterface(const char *endpoint, const char *custom_interface_type = NULL);
~ZMQParserInterface();
virtual InterfaceType getIfType() const { return(interface_type_ZMQ); }
virtual bool isSampledTraffic() const { return(is_sampled_traffic); }
bool getKeyId(char *sym, u_int32_t sym_len, u_int32_t * const pen, u_int32_t * const field) const;
const char* getKeyDescription(u_int32_t pen, u_int32_t field) const;
bool matchField(ParsedFlow * const flow, const char * const key, ParsedValue * value);
u_int8_t parseJSONFlow(const char * const payload, int payload_size, u_int8_t source_id);
u_int8_t parseTLVFlow(const char * const payload, int payload_size, u_int8_t source_id, void *data);
u_int8_t parseEvent(const char * const payload, int payload_size, u_int8_t source_id, void *data);
u_int8_t parseCounter(const char * const payload, int payload_size, u_int8_t source_id, void *data);
u_int8_t parseTemplate(const char * const payload, int payload_size, u_int8_t source_id, void *data);
u_int8_t parseOption(const char * const payload, int payload_size, u_int8_t source_id, void *data);
u_int8_t parseListeningPorts(const char * const payload, int payload_size, u_int8_t source_id, void *data);
u_int32_t periodicStatsUpdateFrequency() const;
virtual void setRemoteStats(ZMQ_RemoteStats *zrs);
#ifdef NTOPNG_PRO
virtual bool getCustomAppDetails(u_int32_t remapped_app_id, u_int32_t *const pen, u_int32_t *const app_field, u_int32_t *const app_id);
#endif
u_int32_t getNumDroppedPackets() { return zmq_remote_stats ? zmq_remote_stats->sflow_pkt_sample_drops : 0; };
virtual void lua(lua_State* vm);
inline u_int32_t getFlowMaxIdle() { return(returned_flow_max_idle); }
};
#endif /* _ZMQ_PARSER_INTERFACE_H_ */
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