Factor out backend handling code.

2016-02-15 20:01:48 +00:00
parent f47e1e766b
commit 9b97a2c32c
6 changed files with 171 additions and 142 deletions
--- a/backend.h
+++ b/backend.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include "common.h"
+
+
+#define PARSER_STATE_LEN 256
+struct backend;
+typedef bool (*parser)(struct backend *, struct packet *);
+struct backend {
+	enum peer_type type;
+	int fd;
+	struct buf buf;
+	char parser_state[PARSER_STATE_LEN];
+	parser parser;
+};
+
+#define BACKEND_INIT { \
+	.type = PEER_BACKEND, \
+	.fd = -1, \
+	.buf = BUF_INIT, \
+	.parser_state = { 0 }, \
+	.parser = backend_autodetect_parse, \
+}
+
+
+bool backend_connect(char *, char *, struct backend *, int);
+bool backend_read(struct backend *);
+bool backend_autodetect_parse(struct backend *, struct packet *);