1 files changed, 74 insertions, 0 deletions
diff --git a/src/addr.c b/src/addr.c
new file mode 100644
index 0000000..47013f2
--- /dev/null
+++ b/src/addr.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "addr.h"
+
+int addr_len(const sockaddr_any *addr)
+{
+	switch (addr->any.sa_family) {
+	case AF_INET:
+		return sizeof(struct sockaddr_in);
+	default:
+		return 0;
+	}
+}
+
+sockaddr_any *addr_parse(blob_t b, sockaddr_any *addr)
+{
+	memset(addr, 0, sizeof(*addr));
+	addr->ipv4.sin_family = AF_INET;
+	addr->ipv4.sin_addr.s_addr = blob_inet_addr(b);
+	if (addr->ipv4.sin_addr.s_addr == -1)
+		return NULL;
+	return addr;
+}
+
+unsigned long addr_hash(const sockaddr_any *addr)
+{
+	switch (addr->any.sa_family) {
+	case AF_INET:
+		return htonl(addr->ipv4.sin_addr.s_addr);
+	default:
+		return 0;
+	}
+}
+
+const char *addr_print(const sockaddr_any *addr)
+{
+	switch (addr->any.sa_family) {
+	case AF_INET:
+		return inet_ntoa(addr->ipv4.sin_addr);
+	default:
+		return "unknown";
+	}
+}
+
+blob_t addr_get_hostaddr_blob(const sockaddr_any *addr)
+{
+	switch (addr->any.sa_family) {
+	case AF_INET:
+		return BLOB_BUF(&addr->ipv4.sin_addr);
+	default:
+		return BLOB_NULL;
+	}
+}
+
+void addr_push_hostaddr(blob_t *b, const sockaddr_any *addr)
+{
+	char buf[64];
+	blob_t f;
+	unsigned int t;
+
+	switch (addr->any.sa_family) {
+	case AF_INET:
+		t = ntohl(addr->ipv4.sin_addr.s_addr);
+		f.ptr = buf;
+		f.len = sprintf(buf, "%d.%d.%d.%d",
+				(t      ) & 0xff, (t >>  8) & 0xff,
+				(t >> 16) & 0xff, (t >> 24) & 0xff);
+		break;
+	default:
+		return;
+	}
+	blob_push(b, f);
+}