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listener.c
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listener.c
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#include <compat.h> // IWYU pragma: keep
#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <string.h>
#include "net/connection.h"
#include "net/listener.h"
static void ant_listener_close_cb(uv_handle_t *handle) {
ant_listener_t *listener = (ant_listener_t *)handle->data;
if (!listener) return;
listener->closed = true;
if (listener->callbacks.on_listener_close)
listener->callbacks.on_listener_close(listener, listener->user_data);
}
static void ant_listener_accept_cb(uv_stream_t *server_stream, int status) {
ant_listener_t *listener = (ant_listener_t *)server_stream->data;
ant_conn_t *conn = NULL;
if (status < 0 || !listener || listener->closing) return;
conn = ant_conn_create_tcp(listener, listener->idle_timeout_ms);
if (!conn) return;
if (ant_conn_accept(conn, server_stream) != 0) {
ant_conn_close(conn);
return;
}
if (listener->callbacks.on_accept)
listener->callbacks.on_accept(listener, conn, listener->user_data);
ant_conn_start(conn);
}
int ant_listener_listen_tcp(
ant_listener_t *listener,
uv_loop_t *loop,
const char *hostname,
int port,
int backlog,
uint64_t idle_timeout_ms,
const ant_listener_callbacks_t *callbacks,
void *user_data
) {
struct sockaddr_in addr;
int rc = 0;
int addr_len = sizeof(addr);
if (!listener || !loop || !hostname) return UV_EINVAL;
memset(listener, 0, sizeof(*listener));
listener->loop = loop;
listener->user_data = user_data;
listener->idle_timeout_ms = idle_timeout_ms;
listener->port = port;
listener->backlog = backlog > 0 ? backlog : 128;
if (callbacks) listener->callbacks = *callbacks;
uv_tcp_init(loop, &listener->handle);
listener->handle.data = listener;
rc = uv_ip4_addr(hostname, port, &addr);
if (rc != 0) return rc;
rc = uv_tcp_bind(&listener->handle, (const struct sockaddr *)&addr, 0);
if (rc != 0) return rc;
rc = uv_listen((uv_stream_t *)&listener->handle, listener->backlog, ant_listener_accept_cb);
if (rc != 0) return rc;
listener->started = true;
if (port == 0 && uv_tcp_getsockname(&listener->handle, (struct sockaddr *)&addr, &addr_len) == 0)
listener->port = ntohs(addr.sin_port);
return 0;
}
void ant_listener_stop(ant_listener_t *listener, bool force) {
ant_conn_t *conn = NULL;
ant_conn_t *next = NULL;
if (!listener) return;
listener->closing = true;
if (listener->started && !uv_is_closing((uv_handle_t *)&listener->handle))
uv_close((uv_handle_t *)&listener->handle, ant_listener_close_cb);
else if (!listener->started) listener->closed = true;
if (force) {
for (conn = listener->connections; conn; conn = next) {
next = conn->next;
ant_conn_close(conn);
}}
}
bool ant_listener_has_connections(const ant_listener_t *listener) {
return listener && listener->connections != NULL;
}
bool ant_listener_is_closed(const ant_listener_t *listener) {
return !listener || listener->closed;
}
int ant_listener_port(const ant_listener_t *listener) {
return listener ? listener->port : 0;
}
void *ant_listener_get_user_data(const ant_listener_t *listener) {
return listener ? listener->user_data : NULL;
}

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listener.c (3 KB)

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