mirror of https://github.com/neutrinolabs/xrdp
Support for TCP keepalive and TCP no_delay added
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60b0529656
commit
e5fb05e9cb
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@ -321,9 +321,11 @@ g_getchar(void)
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}
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/*****************************************************************************/
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/*Returns 0 on success*/
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int APP_CC
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g_tcp_set_no_delay(int sck)
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{
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int ret = 1 ; /*error*/
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#if defined(_WIN32)
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int option_value;
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int option_len;
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@ -341,11 +343,55 @@ g_tcp_set_no_delay(int sck)
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{
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option_value = 1;
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option_len = sizeof(option_value);
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setsockopt(sck, IPPROTO_TCP, TCP_NODELAY, (char*)&option_value,
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option_len);
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if(setsockopt(sck, IPPROTO_TCP, TCP_NODELAY, (char*)&option_value,
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option_len)==0)
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{
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ret = 0 ; /* success */
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}
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}
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return 0;
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}
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else
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{
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g_writeln("Error getting tcp_nodelay");
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}
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return ret;
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}
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/*****************************************************************************/
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/*Returns 0 on success*/
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int APP_CC
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g_tcp_set_keepalive(int sck)
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{
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int ret = 1 ; /*error*/
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#if defined(_WIN32)
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int option_value;
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int option_len;
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#else
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int option_value;
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unsigned int option_len;
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#endif
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option_len = sizeof(option_value);
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/* SOL_TCP IPPROTO_TCP */
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if (getsockopt(sck, SOL_SOCKET, SO_KEEPALIVE, (char*)&option_value,
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&option_len) == 0)
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{
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if (option_value == 0)
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{
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option_value = 1;
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option_len = sizeof(option_value);
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if(setsockopt(sck, SOL_SOCKET, SO_KEEPALIVE, (char*)&option_value,
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option_len)==0)
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{
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ret = 0 ; /* success */
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}
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}
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}
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else
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{
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g_writeln("Error getting tcp_keepalive");
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}
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return ret;
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}
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/*****************************************************************************/
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@ -64,6 +64,8 @@ g_getchar(void);
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int APP_CC
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g_tcp_set_no_delay(int sck);
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int APP_CC
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g_tcp_set_keepalive(int sck);
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int APP_CC
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g_tcp_socket(void);
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int APP_CC
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g_tcp_local_socket(void);
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@ -7,6 +7,12 @@ crypt_level=low
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channel_code=1
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max_bpp=24
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fork=yes
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# regulate if the listening socket use socket option tcp_nodelay
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# no buffering will be performed in the TCP stack
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tcp_nodelay=yes
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# regulate if the listening socket use socket option keepalive
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# if the network connection disappear without close messages the connection will be closed
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tcp_keepalive=yes
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#black=000000
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#grey=d6d3ce
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#dark_grey=808080
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@ -130,6 +130,7 @@ xrdp_process_run(void* in_val)
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static int
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xrdp_listen_get_port_address(char* port, int port_bytes,
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char* address, int address_bytes,
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int *tcp_nodelay, int *tcp_keepalive,
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struct xrdp_startup_params* startup_param)
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{
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int fd;
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@ -147,6 +148,8 @@ xrdp_listen_get_port_address(char* port, int port_bytes,
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/* see if port or address is in xrdp.ini file */
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g_snprintf(cfg_file, 255, "%s/xrdp.ini", XRDP_CFG_PATH);
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fd = g_file_open(cfg_file);
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*tcp_nodelay = 0 ;
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*tcp_keepalive = 0 ;
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if (fd > 0)
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{
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names = list_create();
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@ -185,6 +188,28 @@ xrdp_listen_get_port_address(char* port, int port_bytes,
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startup_param->fork = 1;
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}
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}
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if (g_strcasecmp(val, "tcp_nodelay") == 0)
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{
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val = (char*)list_get_item(values, index);
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if ((g_strcasecmp(val, "yes") == 0) ||
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(g_strcasecmp(val, "on") == 0) ||
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(g_strcasecmp(val, "true") == 0) ||
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(g_atoi(val) != 0))
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{
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*tcp_nodelay = 1 ;
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}
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}
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if (g_strcasecmp(val, "tcp_keepalive") == 0)
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{
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val = (char*)list_get_item(values, index);
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if ((g_strcasecmp(val, "yes") == 0) ||
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(g_strcasecmp(val, "on") == 0) ||
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(g_strcasecmp(val, "true") == 0) ||
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(g_atoi(val) != 0))
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{
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*tcp_keepalive = 1 ;
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}
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}
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}
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}
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}
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@ -280,19 +305,37 @@ xrdp_listen_main_loop(struct xrdp_listen* self)
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tbus sync_obj;
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tbus sck_obj;
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tbus done_obj;
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int tcp_nodelay;
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int tcp_keepalive;
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self->status = 1;
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if (xrdp_listen_get_port_address(port, sizeof(port),
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address, sizeof(address),
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&tcp_nodelay, &tcp_keepalive,
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self->startup_params) != 0)
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{
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g_writeln("xrdp_listen_main_loop: xrdp_listen_get_port failed");
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self->status = -1;
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return 1;
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}
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/*Create socket*/
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error = trans_listen_address(self->listen_trans, port, address);
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if (error == 0)
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{
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if(tcp_nodelay)
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{
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if(g_tcp_set_no_delay(self->listen_trans->sck))
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{
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g_writeln("Error setting tcp_nodelay");
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}
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}
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if(tcp_keepalive)
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{
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if(g_tcp_set_keepalive(self->listen_trans->sck))
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{
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g_writeln("Error setting tcp_keepalive");
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}
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}
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self->listen_trans->trans_conn_in = xrdp_listen_conn_in;
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self->listen_trans->callback_data = self;
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term_obj = g_get_term_event();
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