Write stubs for the plugins

Make them compile.

.gitignore

@@ -1,5 +1,6 @@
 # Build files
 /ponymap
+/plugins/*.so
 
 # Qt Creator files
 /ponymap.config

Makefile

@@ -9,13 +9,15 @@ LDFLAGS = `pkg-config --libs libssl` -lpthread -lrt -ldl
 .PHONY: all clean
 .SUFFIXES:
 
-targets = ponymap
+targets = ponymap plugins/http.so plugins/irc.so
 
 all: $(targets)
 
 clean:
 	rm -f $(targets)
 
-ponymap: ponymap.c utils.c siphash.c
+ponymap: ponymap.c utils.c plugin-api.h siphash.c
 	$(CC) ponymap.c siphash.c -o $@ $(CFLAGS) $(LDFLAGS)
 
+plugins/%.so: plugins/%.c utils.c plugin-api.h
+	$(CC) $< -o $@ $(CFLAGS) $(LDFLAGS) -shared -fPIC

plugin-api.h

@@ -36,7 +36,7 @@ struct service
 	const char *name;                   ///< Name of the service
 	int flags;                          ///< Service flags
 
-	// XXX: what event happens when?
+	// scan_init -> on_data* -> [on_eof/on_error] -> on_aborted -> scan_free
 
 	/// Initialize a scan, returning a handle to it
 	void *(*scan_init) (struct unit *u);

plugin-http.c

@@ -1,24 +0,0 @@
-/*
- * plugin-http.c: HTTP service detection plugin
- *
- * Copyright (c) 2014, Přemysl Janouch <p.janouch@gmail.com>
- * All rights reserved.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-
-#include "utils.c"
-#include "plugin-api.h"
-
-// TODO

plugins/http.c

@@ -0,0 +1,95 @@
+/*
+ * http.c: HTTP service detection plugin
+ *
+ * Copyright (c) 2014, Přemysl Janouch <p.janouch@gmail.com>
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "../utils.c"
+#include "../plugin-api.h"
+
+// --- Service detection -------------------------------------------------------
+
+static struct plugin_data
+{
+	void *ctx;                          ///< Application context
+	struct plugin_api *api;             ///< Plugin API vtable
+}
+g_data;
+
+static void *
+scan_init (struct unit *u)
+{
+	// TODO
+	return NULL;
+}
+
+static void
+scan_free (void *handle)
+{
+	// TODO
+}
+
+static void
+on_data (void *handle, struct unit *u, struct str *data)
+{
+	// TODO
+}
+
+static void
+on_eof (void *handle, struct unit *u)
+{
+	// TODO
+}
+
+static void
+on_error (void *handle, struct unit *u)
+{
+	// TODO
+}
+
+static void
+on_aborted (void *handle, struct unit *u)
+{
+	// TODO
+}
+
+static struct service g_http_service =
+{
+	.name        = "HTTP",
+	.flags       = SERVICE_SUPPORTS_TLS,
+
+	.scan_init   = scan_init,
+	.scan_free   = scan_free,
+	.on_data     = on_data,
+	.on_eof      = on_eof,
+	.on_error    = on_error,
+	.on_aborted  = on_aborted
+};
+
+static bool
+initialize (void *ctx, struct plugin_api *api)
+{
+	g_data = (struct plugin_data) { .ctx = ctx, .api = api };
+	api->register_service (ctx, &g_http_service);
+	return true;
+}
+
+struct plugin_info ponymap_plugin_info =
+{
+	.api_version  = API_VERSION,
+	.initialize   = initialize
+};

plugins/irc.c

@@ -1,5 +1,5 @@
 /*
- * plugin-http.c: IRC service detection plugin
+ * http.c: IRC service detection plugin
  *
  * Copyright (c) 2014, Přemysl Janouch <p.janouch@gmail.com>
  * All rights reserved.
@@ -18,10 +18,8 @@
  *
  */
 
-#include "utils.c"
-#include "plugin-api.h"
-
-// TODO
+#include "../utils.c"
+#include "../plugin-api.h"
 
 // --- IRC utilities -----------------------------------------------------------
 
@@ -192,3 +190,26 @@ irc_fnmatch (const char *pattern, const char *string)
 	irc_strxfrm (x_string,  string,  string_size);
 	return fnmatch (x_pattern, x_string, 0);
 }
+
+// --- Service detection -------------------------------------------------------
+
+static struct plugin_data
+{
+	void *ctx;                          ///< Application context
+	struct plugin_api *api;             ///< Plugin API vtable
+}
+g_data;
+
+static bool
+initialize (void *ctx, struct plugin_api *api)
+{
+	g_data = (struct plugin_data) { .ctx = ctx, .api = api };
+	// TODO: register a service
+	return true;
+}
+
+struct plugin_info ponymap_plugin_info =
+{
+	.api_version  = API_VERSION,
+	.initialize   = initialize
+};

ponymap.c

@@ -18,9 +18,6 @@
  *
  */
 
-#define PROGRAM_NAME "ponymap"
-#define PROGRAM_VERSION "alpha"
-
 #include "utils.c"
 #include "plugin-api.h"
 #include <dirent.h>

utils.c

@@ -18,6 +18,9 @@
  *
  */
 
+#define PROGRAM_NAME "ponymap"
+#define PROGRAM_VERSION "alpha"
+
 #define _POSIX_C_SOURCE 199309L
 #define _XOPEN_SOURCE 600