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ikcp_send 返回成功发送的字节数，-1 为错误，-2 为 EAGAIN

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skywind3000
2023-05-07 13:49:56 +08:00
parent c0cb6ab3ac
commit f2aa30ea21
1 changed files with 7 additions and 6 deletions
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13
ikcp.c
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@@ -470,7 +470,7 @@ int ikcp_send(ikcpcb *kcp, const char *buffer, int len)
{ {
IKCPSEG *seg; IKCPSEG *seg;
int count, i; int count, i;
int append = 0; int sent = 0;
assert(kcp->mss > 0); assert(kcp->mss > 0);
if (len < 0) return -1; if (len < 0) return -1;
@@ -498,11 +498,11 @@ int ikcp_send(ikcpcb *kcp, const char *buffer, int len)
len -= extend; len -= extend;
iqueue_del_init(&old->node); iqueue_del_init(&old->node);
ikcp_segment_delete(kcp, old); ikcp_segment_delete(kcp, old);
append = extend; sent = extend;
} }
} }
if (len <= 0) { if (len <= 0) {
return 0; return sent;
} }
} }
@@ -510,8 +510,8 @@ int ikcp_send(ikcpcb *kcp, const char *buffer, int len)
else count = (len + kcp->mss - 1) / kcp->mss; else count = (len + kcp->mss - 1) / kcp->mss;
if (count >= (int)IKCP_WND_RCV) { if (count >= (int)IKCP_WND_RCV) {
if (kcp->stream != 0 && append > 0) if (kcp->stream != 0 && sent > 0)
return append; return sent;
return -2; return -2;
} }
@@ -537,9 +537,10 @@ int ikcp_send(ikcpcb *kcp, const char *buffer, int len)
buffer += size; buffer += size;
} }
len -= size; len -= size;
sent += size;
} }
return 0; return sent;
} }