server: Add a config knob to not store the pcap stream

We might only want to centralize the data streams but handle the
data differently. This will be combined with an upcoming ZeroMQ
publisher feature to broadcast all events out.

Change-Id: I12c6bf16310820d882fa28c6930931650475e0bb

1 files changed, 12 insertions, 1 deletions

diff --git a/src/osmo_server_network.c b/src/osmo_server_network.c
index 7127401..d530ef7 100644
--- a/src/osmo_server_network.c
+++ b/src/osmo_server_network.c
@@ -62,6 +62,12 @@ static void restart_pcap(struct osmo_pcap_conn *conn)
 		conn->local_fd = -1;
 	}
 
+	/* omit any storing/creation of the file */
+	if (conn->no_store) {
+		conn->last_write = *tm;
+		return;
+	}
+
 	filename = talloc_asprintf(conn, "%s/trace-%s-%d%.2d%.2d_%.2d%.2d%.2d.pcap",
 				   conn->server->base_path, conn->name,
 				   tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
@@ -103,7 +109,7 @@ static void link_data(struct osmo_pcap_conn *conn, struct osmo_pcap_data *data)
 	}
 
 	hdr = (struct pcap_file_header *) &data->data[0];
-	if (conn->local_fd < 0) {
+	if (!conn->no_store && conn->local_fd < 0) {
 		conn->file_hdr = *hdr;
 		restart_pcap(conn);
 	} else if (memcmp(&conn->file_hdr, hdr, sizeof(*hdr)) != 0) {
@@ -121,6 +127,11 @@ static void write_data(struct osmo_pcap_conn *conn, struct osmo_pcap_data *data)
 	struct tm *tm = localtime(&now);
 	int rc;
 
+	if (conn->no_store) {
+		conn->last_write = *tm;
+		return;
+	}
+
 	if (conn->local_fd < -1) {
 		LOGP(DSERVER, LOGL_ERROR, "No file is open. close connection.\n");
 		close_connection(conn);