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Send MG_EV_WRITE for UDP messages

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Sergey Lyubka committed 2022-01-05 13:03:56 +00:00
1 parent b0585bd0a9
commit 6a82cbee71
3 files changed
+82 -93
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src/sock.c
+39 -46
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@@ -99,6 +99,36 @@ static struct mg_connection *alloc_conn(struct mg_mgr *mgr, bool is_client,
return c;
}
static void iolog(struct mg_connection *c, char *buf, long n, bool r) {
LOG(n > 0 ? LL_VERBOSE_DEBUG : LL_DEBUG,
("%-3lu %d%d%d%d%d%d%d%d%d%d%d%d%d%d %d:%d %ld err %d", c->id,
c->is_listening, c->is_client, c->is_accepted, c->is_resolving,
c->is_connecting, c->is_tls, c->is_tls_hs, c->is_udp, c->is_websocket,
c->is_hexdumping, c->is_draining, c->is_closing, c->is_readable,
c->is_writable, (int) c->send.len, (int) c->recv.len, n, MG_SOCK_ERRNO));
if (n == 0) {
// Do nothing
} else if (n < 0) {
c->is_closing = 1; // Error, or normal termination
} else if (n > 0) {
if (c->is_hexdumping) {
char *s = mg_hexdump(buf, (size_t) n);
LOG(LL_INFO,
("\n-- %lu %s %s %ld\n%s", c->id, c->label, r ? "<-" : "->", n, s));
free(s);
}
if (r) {
struct mg_str evd = mg_str_n(buf, (size_t) n);
c->recv.len += (size_t) n;
mg_call(c, MG_EV_READ, &evd);
} else {
mg_iobuf_del(&c->send, 0, (size_t) n);
if (c->send.len == 0) mg_iobuf_resize(&c->send, 0);
mg_call(c, MG_EV_WRITE, &n);
}
}
}
static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
long n;
#if !defined(__APPLE__)
@@ -117,8 +147,13 @@ static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
}
bool mg_send(struct mg_connection *c, const void *buf, size_t len) {
return c->is_udp ? mg_sock_send(c, buf, len) > 0
: mg_iobuf_add(&c->send, c->send.len, buf, len, MG_IO_SIZE);
if (c->is_udp) {
long n = mg_sock_send(c, buf, len);
iolog(c, (char *) buf, n, false);
return n > 0;
} else {
return mg_iobuf_add(&c->send, c->send.len, buf, len, MG_IO_SIZE);
}
}
static void mg_set_non_blocking_mode(SOCKET fd) {
@@ -228,26 +263,7 @@ static long read_conn(struct mg_connection *c) {
char *buf = (char *) &c->recv.buf[c->recv.len];
size_t len = c->recv.size - c->recv.len;
n = c->is_tls ? mg_tls_recv(c, buf, len) : mg_sock_recv(c, buf, len);
LOG(n > 0 ? LL_VERBOSE_DEBUG : LL_DEBUG,
("%-3lu %d%d%d%d%d%d%d%d%d%d%d%d%d%d %7ld %ld/%ld err %d", c->id,
c->is_listening, c->is_client, c->is_accepted, c->is_resolving,
c->is_connecting, c->is_tls, c->is_tls_hs, c->is_udp, c->is_websocket,
c->is_hexdumping, c->is_draining, c->is_closing, c->is_readable,
c->is_writable, (long) c->recv.len, n, (long) len, MG_SOCK_ERRNO));
if (n == 0) {
// Do nothing
} else if (n < 0) {
c->is_closing = 1; // Error, or normal termination
} else if (n > 0) {
struct mg_str evd = mg_str_n(buf, (size_t) n);
if (c->is_hexdumping) {
char *s = mg_hexdump(buf, (size_t) n);
LOG(LL_INFO, ("\n-- %lu %s %s %ld\n%s", c->id, c->label, "<-", n, s));
free(s);
}
c->recv.len += (size_t) n;
mg_call(c, MG_EV_READ, &evd);
}
iolog(c, buf, n, true);
}
return n;
}
@@ -256,30 +272,7 @@ static void write_conn(struct mg_connection *c) {
char *buf = (char *) c->send.buf;
size_t len = c->send.len;
long n = c->is_tls ? mg_tls_send(c, buf, len) : mg_sock_send(c, buf, len);
LOG(n > 0 ? LL_VERBOSE_DEBUG : LL_DEBUG,
("%-3lu %d%d%d%d%d%d%d%d%d%d%d%d%d%d %7ld %ld err %d", c->id,
c->is_listening, c->is_client, c->is_accepted, c->is_resolving,
c->is_connecting, c->is_tls, c->is_tls_hs, c->is_udp, c->is_websocket,
c->is_hexdumping, c->is_draining, c->is_closing, c->is_readable,
c->is_writable, (long) c->send.len, n, MG_SOCK_ERRNO));
if (n == 0) {
// Do nothing
} else if (n < 0) {
c->is_closing = 1; // Error, or normal termination
} else if (n > 0) {
// Hexdump before deleting
if (c->is_hexdumping) {
char *s = mg_hexdump(buf, (size_t) n);
LOG(LL_INFO, ("\n-- %lu %s %s %ld\n%s", c->id, c->label, "<-", n, s));
free(s);
}
mg_iobuf_del(&c->send, 0, (size_t) n);
if (c->send.len == 0) mg_iobuf_resize(&c->send, 0);
mg_call(c, MG_EV_WRITE, &n);
// if (c->send.len == 0) mg_iobuf_resize(&c->send, 0);
}
iolog(c, buf, n, false);
}
static void close_conn(struct mg_connection *c) {