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raop: fix sequence number overflow

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Wrap sequence number when we reach uint16_t's max 0xFFFF.
This commit is contained in:
Colin Leroy 2016-11-06 12:54:13 -06:00 • committed by Tanu Kaskinen
parent 81fa11e3a9
commit b95aebdb2d
3 changed files with 29 additions and 3 deletions
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14
src/modules/raop/raop-client.c
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@ -316,7 +316,12 @@ static size_t build_tcp_audio_packet(pa_raop_client *c, pa_memchunk *block, pa_m
buffer += packet->index / sizeof(uint32_t);
raw += block->index;
c->seq++;
if (c->seq == 0xFFFF) {
pa_log_debug("wrapping sequence number");
c->seq = pa_raop_packet_buffer_wrap_seq(c->pbuf, c->seq);
} else
c->seq++;
memcpy(buffer, tcp_audio_header, sizeof(tcp_audio_header));
buffer[1] |= htonl((uint32_t) c->seq);
buffer[2] = htonl(c->rtptime);
@ -421,7 +426,12 @@ static size_t build_udp_audio_packet(pa_raop_client *c, pa_memchunk *block, pa_m
}
c->rtptime += length / 4;
c->seq++;
if (c->seq == 0xFFFF) {
pa_log_debug("wrapping sequence number");
c->seq = pa_raop_packet_buffer_wrap_seq(c->pbuf, c->seq);
} else
c->seq++;
pa_memblock_release(block->memblock);