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Merge pull request #2169 from cesanta/udp-printf

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Fix mg_xprint() for UDP in MIP
This commit is contained in:
Sergey Lyubka 2023-04-29 11:59:46 +01:00 committed by GitHub
commit 20e613b444
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2 changed files with 26 additions and 14 deletions
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20
mongoose.c
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@ -7943,14 +7943,20 @@ static struct mg_connection *accept_conn(struct mg_connection *lsn,
long mg_io_send(struct mg_connection *c, const void *buf, size_t len) {
struct mg_tcpip_if *ifp = (struct mg_tcpip_if *) c->mgr->priv;
struct connstate *s = (struct connstate *) (c + 1);
size_t max_headers_len = 14 + 24 /* max IP */ + 60 /* max TCP */;
if (len + max_headers_len > ifp->tx.len) len = ifp->tx.len - max_headers_len;
if (tx_tcp(ifp, s->mac, c->rem.ip, TH_PUSH | TH_ACK, c->loc.port, c->rem.port,
mg_htonl(s->seq), mg_htonl(s->ack), buf, len) > 0) {
s->seq += (uint32_t) len;
if (s->ttype == MIP_TTYPE_ACK) settmout(c, MIP_TTYPE_KEEPALIVE);
if (c->is_udp) {
size_t max_headers_len = 14 + 24 /* max IP */ + 8 /* UDP */;
if (len + max_headers_len > ifp->tx.len) len = ifp->tx.len - max_headers_len;
tx_udp(ifp, s->mac, ifp->ip, c->loc.port, c->rem.ip, c->rem.port, buf, len);
} else {
return MG_IO_ERR;
size_t max_headers_len = 14 + 24 /* max IP */ + 60 /* max TCP */;
if (len + max_headers_len > ifp->tx.len) len = ifp->tx.len - max_headers_len;
if (tx_tcp(ifp, s->mac, c->rem.ip, TH_PUSH | TH_ACK, c->loc.port, c->rem.port,
mg_htonl(s->seq), mg_htonl(s->ack), buf, len) > 0) {
s->seq += (uint32_t) len;
if (s->ttype == MIP_TTYPE_ACK) settmout(c, MIP_TTYPE_KEEPALIVE);
} else {
return MG_IO_ERR;
}
}
return (long) len;
}

20
src/tcpip/tcpip.c
View File

@ -497,14 +497,20 @@ static struct mg_connection *accept_conn(struct mg_connection *lsn,
long mg_io_send(struct mg_connection *c, const void *buf, size_t len) {
struct mg_tcpip_if *ifp = (struct mg_tcpip_if *) c->mgr->priv;
struct connstate *s = (struct connstate *) (c + 1);
size_t max_headers_len = 14 + 24 /* max IP */ + 60 /* max TCP */;
if (len + max_headers_len > ifp->tx.len) len = ifp->tx.len - max_headers_len;
if (tx_tcp(ifp, s->mac, c->rem.ip, TH_PUSH | TH_ACK, c->loc.port, c->rem.port,
mg_htonl(s->seq), mg_htonl(s->ack), buf, len) > 0) {
s->seq += (uint32_t) len;
if (s->ttype == MIP_TTYPE_ACK) settmout(c, MIP_TTYPE_KEEPALIVE);
if (c->is_udp) {
size_t max_headers_len = 14 + 24 /* max IP */ + 8 /* UDP */;
if (len + max_headers_len > ifp->tx.len) len = ifp->tx.len - max_headers_len;
tx_udp(ifp, s->mac, ifp->ip, c->loc.port, c->rem.ip, c->rem.port, buf, len);
} else {
return MG_IO_ERR;
size_t max_headers_len = 14 + 24 /* max IP */ + 60 /* max TCP */;
if (len + max_headers_len > ifp->tx.len) len = ifp->tx.len - max_headers_len;
if (tx_tcp(ifp, s->mac, c->rem.ip, TH_PUSH | TH_ACK, c->loc.port, c->rem.port,
mg_htonl(s->seq), mg_htonl(s->ack), buf, len) > 0) {
s->seq += (uint32_t) len;
if (s->ttype == MIP_TTYPE_ACK) settmout(c, MIP_TTYPE_KEEPALIVE);
} else {
return MG_IO_ERR;
}
}
return (long) len;
}