From 1ed17293bedaf5bf5182d863cd406d7eb66b4501 Mon Sep 17 00:00:00 2001
From: cbdev <cb@cbcdn.com>
Date: Sun, 24 Mar 2019 19:22:30 +0100
Subject: Factor out socket operations (Fixes #13)

---
 backends/libmmbackend.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 backends/libmmbackend.h

(limited to 'backends/libmmbackend.h')

diff --git a/backends/libmmbackend.h b/backends/libmmbackend.h
new file mode 100644
index 0000000..38bfca0
--- /dev/null
+++ b/backends/libmmbackend.h
@@ -0,0 +1,31 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+/* Parse spec as host specification in the form
+ *	host port
+ * into its constituent parts.
+ * Returns offsets into the original string and modifies it.
+ * Returns NULL in *port if none given.
+ * Returns NULL in both *port and *host if spec was an empty string.
+ */
+void mmbackend_parse_hostspec(char* spec, char** host, char** port);
+
+/* Parse a given host / port combination into a sockaddr_storage
+ * suitable for usage with connect / sendto
+ * Returns 0 on success
+ */
+int mmbackend_parse_sockaddr(char* host, char* port, struct sockaddr_storage* addr, socklen_t* len);
+
+/* Create a socket of given type and mode for a bind / connect host.
+ * Returns -1 on failure, a valid file descriptor for the socket on success.
+ */
+int mmbackend_socket(char* host, char* port, int socktype, uint8_t listener);
-- 
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