I have implemented socket client to communicate with my device from pc. The program successfully establishes the communication with device and starts to send/recieve packets but then it hangs. Here the Wireshark log where it has been hanged 
And here it the Frame 191 whereit hangs
Frame 191: 87 bytes on wire (696 bits), 87 bytes captured (696 bits) on interface 0
Interface id: 0 (wlx30b5c2125754)
Encapsulation type: Ethernet (1)
Arrival Time: Apr 24, 2017 05:14:09.911227896 +04
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1492996449.911227896 seconds
[Time delta from previous captured frame: 0.524355526 seconds]
[Time delta from previous displayed frame: 0.524355526 seconds]
[Time since reference or first frame: 3.809895894 seconds]
Frame Number: 191
Frame Length: 87 bytes (696 bits)
Capture Length: 87 bytes (696 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ethertype:ip:udp:mdns]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Tp-LinkT_12:57:54 (30:b5:c2:12:57:54), Dst: IPv4mcast_fb (01:00:5e:00:00:fb)
Destination: IPv4mcast_fb (01:00:5e:00:00:fb)
Source: Tp-LinkT_12:57:54 (30:b5:c2:12:57:54)
Type: IPv4 (0x0800)
Internet Protocol Version 4, Src: 172.16.87.84, Dst: 224.0.0.251
0100 …. = Version: 4
…. 0101 = Header Length: 20 bytes (5)
Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
Total Length: 73
Identification: 0xf52d (62765)
Flags: 0x02 (Don't Fragment)
0… …. = Reserved bit: Not set
.1.. …. = Don't fragment: Set
..0. …. = More fragments: Not set
Fragment offset: 0
Time to live: 255
Protocol: UDP (17)
Header checksum: 0xa215 [correct]
[Header checksum status: Good]
[Calculated Checksum: 0xa215]
Source: 172.16.87.84
Destination: 224.0.0.251
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: 5353, Dst Port: 5353
Multicast Domain Name System (query)
Transaction ID: 0x0000
Flags: 0x0000 Standard query
0… …. …. …. = Response: Message is a query
.000 0… …. …. = Opcode: Standard query (0)
…. ..0. …. …. = Truncated: Message is not truncated
…. …0 …. …. = Recursion desired: Don't do query recursively
…. …. .0.. …. = Z: reserved (0)
…. …. …0 …. = Non-authenticated data: Unacceptable
Questions: 2
Answer RRs: 0
Authority RRs: 0
Additional RRs: 0
Queries
_ipps._tcp.local: type PTR, class IN, "QM" question
Name: _ipps._tcp.local
[Name Length: 16]
[Label Count: 3]
Type: PTR (domain name PoinTeR) (12)
.000 0000 0000 0001 = Class: IN (0x0001)
0… …. …. …. = "QU" question: False
_ipp._tcp.local: type PTR, class IN, "QM" question
Name: _ipp._tcp.local
[Name Length: 15]
[Label Count: 3]
Type: PTR (domain name PoinTeR) (12)
.000 0000 0000 0001 = Class: IN (0x0001)
0… …. …. …. = "QU" question: False
192 3.816102710 fe80::2dad:1d24:560e:dfff ff02::fb MDNS 107 Standard query 0x0000 PTR _ipps._tcp.local, "QM" question PTR _ipp._tcp.local, "QM" question</code></pre></div><div id="question-tags" class="tags-container tags"><span class="post-tag tag-link-tcp" rel="tag" title="see questions tagged 'tcp'">tcp</span> <span class="post-tag tag-link-socket" rel="tag" title="see questions tagged 'socket'">socket</span> <span class="post-tag tag-link-stream" rel="tag" title="see questions tagged 'stream'">stream</span> <span class="post-tag tag-link-wireshark" rel="tag" title="see questions tagged 'wireshark'">wireshark</span></div><div id="question-controls" class="post-controls"></div><div class="post-update-info-container"><div class="post-update-info post-update-info-user"><p>asked <strong>24 Apr '17, 02:22</strong></p><img src="https://secure.gravatar.com/avatar/4cd73fb7c739ce6825247b45d3298096?s=32&d=identicon&r=g" class="gravatar" width="32" height="32" alt="Vardan9's gravatar image" /><p><span>Vardan9</span><br />
6●1●1●4
accept rate: 0%
