scpi: Add connenction_id() function to all scpi drivers.

[libsigrok.git] / src / scpi / scpi_tcp.c

diff --git a/src/scpi/scpi_tcp.c b/src/scpi/scpi_tcp.c
index c01cc5606f62a57a627fd5c895a230cb262d294c..6477c064dcd92aa57eeec5e00d49558a16033b9e 100644 (file)
--- a/src/scpi/scpi_tcp.c
+++ b/src/scpi/scpi_tcp.c
@@ -115,6 +115,17 @@ static int scpi_tcp_open(struct sr_scpi_dev_inst *scpi)
        return SR_OK;
 }
 
+static int scpi_tcp_connection_id(struct sr_scpi_dev_inst *scpi,
+               char **connection_id)
+{
+       struct scpi_tcp *tcp = scpi->priv;
+
+       *connection_id = g_strdup_printf("%s/%s:%s",
+               scpi->prefix, tcp->address, tcp->port);
+
+       return SR_OK;
+}
+
 static int scpi_tcp_source_add(struct sr_session *session, void *priv,
                int events, int timeout, sr_receive_data_callback cb, void *cb_data)
 {
@@ -266,6 +277,7 @@ SR_PRIV const struct sr_scpi_dev_inst scpi_tcp_raw_dev = {
        .priv_size     = sizeof(struct scpi_tcp),
        .dev_inst_new  = scpi_tcp_dev_inst_new,
        .open          = scpi_tcp_open,
+       .connection_id = scpi_tcp_connection_id,
        .source_add    = scpi_tcp_source_add,
        .source_remove = scpi_tcp_source_remove,
        .send          = scpi_tcp_send,
@@ -283,6 +295,7 @@ SR_PRIV const struct sr_scpi_dev_inst scpi_tcp_rigol_dev = {
        .priv_size     = sizeof(struct scpi_tcp),
        .dev_inst_new  = scpi_tcp_dev_inst_new,
        .open          = scpi_tcp_open,
+       .connection_id = scpi_tcp_connection_id,
        .source_add    = scpi_tcp_source_add,
        .source_remove = scpi_tcp_source_remove,
        .send          = scpi_tcp_send,