update some stuff

1 files changed, 45 insertions, 0 deletions

diff --git a/connection.c b/connection.c
new file mode 100644
index 0000000..ecbb7fa
--- /dev/null
+++ b/connection.c
@@ -0,0 +1,45 @@
+#include "connection.h"
+#include "pipeline.h"
+#include <stdlib.h>
+
+struct ptx_connection *ptx_connection_new(void)
+{
+  struct ptx_connection *conn = malloc(sizeof(struct ptx_connection));
+  if (!conn) return NULL;
+
+  /* initialize these in case we goto cleanup later */
+  conn->cli_read = NULL;
+  conn->cli_write = NULL;
+  conn->srv_read = NULL;
+  conn->srv_write = NULL;
+
+  /* do initialization */
+
+  if (!(conn->cli_read = ptx_pipeline_new(4))) goto cleanup;
+  if (!(conn->cli_write = ptx_pipeline_new(4))) goto cleanup;
+  if (!(conn->srv_read = ptx_pipeline_new(4))) goto cleanup;
+  if (!(conn->srv_write = ptx_pipeline_new(4))) goto cleanup;
+
+  return conn;
+
+cleanup:
+  ptx_connection_free(conn);
+
+  return NULL;
+}
+
+void ptx_connection_free(struct ptx_connection *conn)
+{
+  /* NOTE: this function might be called with a partially-constructed or inconsistent object */
+
+  if (!conn) return;
+
+  /* do cleanup */
+
+  ptx_pipeline_free(conn->cli_read);
+  ptx_pipeline_free(conn->cli_write);
+  ptx_pipeline_free(conn->srv_read);
+  ptx_pipeline_free(conn->srv_write);
+
+  free(conn);
+}