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Various optimizations to reduce not-necessary calls

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Optimized various UDP dissectors
Removed dead protocols such as pando and pplive
This commit is contained in:
Luca Deri 2020-09-24 23:26:03 +02:00
parent 51e86346d3
commit 044ed14b4f
33 changed files with 555 additions and 855 deletions
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14
src/lib/protocols/rtp.c
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@ -76,6 +76,8 @@ static u_int8_t isValidMSRTPType(u_int8_t payloadType) {
static void ndpi_rtp_search(struct ndpi_detection_module_struct *ndpi_struct,
struct ndpi_flow_struct *flow,
const u_int8_t * payload, const u_int16_t payload_len) {
u_int8_t payloadType, payload_type = payload[1] & 0x7F;
NDPI_LOG_DBG(ndpi_struct, "search RTP\n");
if((payload_len < 2) || flow->protos.stun_ssl.stun.num_binding_requests) {
@ -83,9 +85,6 @@ static void ndpi_rtp_search(struct ndpi_detection_module_struct *ndpi_struct,
return;
}
//struct ndpi_packet_struct *packet = &flow->packet;
u_int8_t payloadType, payload_type = payload[1] & 0x7F;
/* Check whether this is an RTP flow */
if((payload_len >= 12)
&& (((payload[0] & 0xFF) == 0x80) || ((payload[0] & 0xFF) == 0xA0)) /* RTP magic byte[1] */
@ -105,13 +104,6 @@ static void ndpi_rtp_search(struct ndpi_detection_module_struct *ndpi_struct,
NDPI_LOG_INFO(ndpi_struct, "Found Skype for Business (former MS Lync)\n");
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_SKYPE, NDPI_PROTOCOL_UNKNOWN);
return;
} else /* RTCP */ {
#if 0
/* If it's RTCP the RTCP decoder will catch it */
NDPI_LOG_INFO(ndpi_struct, "Found MS RTCP\n");
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_RTCP, NDPI_PROTOCOL_UNKNOWN);
return;
#endif
}
}
@ -136,6 +128,8 @@ void ndpi_search_rtp(struct ndpi_detection_module_struct *ndpi_struct, struct nd
&& (dest > 1023)
)
ndpi_rtp_search(ndpi_struct, flow, packet->payload, packet->payload_packet_len);
else
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
/* *************************************************************** */