Lay down the fundations for the network code

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

1 files changed, 77 insertions, 0 deletions

diff --git a/src/transport.c b/src/transport.c
new file mode 100644
index 000000000..c08345968
--- /dev/null
+++ b/src/transport.c
@@ -0,0 +1,77 @@
+#include "common.h"
+#include "git2/types.h"
+#include "git2/transport.h"
+#include "git2/net.h"
+#include "transport.h"
+
+struct {
+	char *prefix;
+	git_transport_cb fn;
+} transports[] = {
+	{"git://", git_transport_dummy},
+	{"http://", git_transport_dummy},
+	{"https://", git_transport_dummy},
+	{"file://", git_transport_local},
+	{"git+ssh://", git_transport_dummy},
+	{"ssh+git://", git_transport_dummy},
+	{NULL, 0}
+};
+
+static git_transport_cb transport_fill_fn(const char *url)
+{
+	int i = 0;
+
+	while (1) {
+		if (transports[i].prefix == NULL)
+			break;
+
+		if (!strncasecmp(url, transports[i].prefix, strlen(transports[i].prefix)))
+			return transports[i].fn;
+
+		++i;
+	}
+
+	/*
+	 * If we still haven't found the transport, we assume we mean a
+	 * local file.
+	 * TODO: Parse "example.com:project.git" as an SSH URL
+	 */
+	return git_transport_local;
+}
+
+/**************
+ * Public API *
+ **************/
+
+int git_transport_dummy(git_transport *GIT_UNUSED(transport))
+{
+	GIT_UNUSED_ARG(transport);
+	return git__throw(GIT_ENOTIMPLEMENTED, "This protocol isn't implemented. Sorry");
+}
+
+int git_transport_new(git_transport **out, git_repository *repo, const char *url)
+{
+	git_transport_cb fn;
+	git_transport *transport;
+	int error;
+
+	fn = transport_fill_fn(url);
+
+	transport = git__malloc(sizeof(git_transport));
+	if (transport == NULL)
+		return GIT_ENOMEM;
+
+	transport->url = git__strdup(url);
+	if (transport->url == NULL)
+		return GIT_ENOMEM;
+
+	transport->repo = repo;
+
+	error = fn(transport);
+	if (error < GIT_SUCCESS)
+		return git__rethrow(error, "Failed to create new transport");
+
+	*out = transport;
+
+	return GIT_SUCCESS;
+}