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patch #6865 (SO_REUSEADDR for TCP): if tcp_pcb.flags has TF_REUSEADDR set, allow binding to endpoint in TIME_WAIT

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goldsimon
2010-02-12 15:33:02 +00:00
parent c73b1b4fa2
commit d3635c5eef
3 changed files with 14 additions and 5 deletions
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14
src/core/tcp.c
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@@ -317,12 +317,16 @@ tcp_bind(struct tcp_pcb *pcb, ip_addr_t *ipaddr, u16_t port)
}
}
}
/* @todo: until SO_REUSEADDR is implemented (see task #6995 on savannah),
/* Unless the REUSEADDR flag is set,
* we have to check the pcbs in TIME-WAIT state, also: */
for(cpcb = tcp_tw_pcbs; cpcb != NULL; cpcb = cpcb->next) {
if (cpcb->local_port == port) {
if (ip_addr_cmp(&(cpcb->local_ip), ipaddr)) {
return ERR_USE;
if ((pcb->flags & TF_REUSEADDR) == 0) {
for(cpcb = tcp_tw_pcbs; cpcb != NULL; cpcb = cpcb->next) {
if (cpcb->local_port == port) {
if (ip_addr_isany(&(cpcb->local_ip)) ||
ip_addr_isany(ipaddr) ||
ip_addr_cmp(&(cpcb->local_ip), ipaddr)) {
return ERR_USE;
}
}
}
}