chiark / gitweb /
First steps towards automatic client code generation.
authorRichard Kettlewell <rjk@greenend.org.uk>
Fri, 4 Jun 2010 19:51:46 +0000 (20:51 +0100)
committerRichard Kettlewell <rjk@terraraq.org.uk>
Sat, 6 Aug 2011 17:19:07 +0000 (18:19 +0100)
Currently supported:
   - the C synchronous client, only.
   - simple string commands, only.

scripts/protocol [new file with mode: 0755]

diff --git a/scripts/protocol b/scripts/protocol
new file mode 100755 (executable)
index 0000000..ad712d5
--- /dev/null
@@ -0,0 +1,339 @@
+#! /usr/bin/perl -w
+#
+# This file is part of DisOrder.
+# Copyright (C) 2010 Richard Kettlewell
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+use strict;
+
+# Variables and utilities -----------------------------------------------------
+
+our @h = ();
+our @c = ();
+
+sub Write {
+    my $path = shift;
+    my $lines = shift;
+
+    (open(F, ">$path")
+     and print F @$lines
+     and close F)
+       or die "$0: $path: $!\n";
+}
+
+# Command classes -------------------------------------------------------------
+
+# simple_string_command(CMD, SUMMARY, DETAIL, [[NAME,DESCR], [NAME,DESCR], ...],)
+#
+# Response is simply success/failure
+sub simple_string_command {
+    my $cmd = shift;
+    my $summary = shift;
+    my $detail = shift;
+    my $args = shift;
+
+    my $cmdc = $cmd;
+    $cmdc =~ s/-/_/g;
+    # Synchronous C API
+    push(@h, "/** \@brief $summary\n",
+        " *\n",
+        " * $detail\n",
+        " *\n",
+        map(" * \@param $_->[0] $_->[1]\n", @$args),
+        " * \@return 0 on success, non-0 on error\n",
+        " */\n",
+        "int disorder_$cmdc(disorder_client *c",
+        map(", const char *$_->[0]", @$args), ");\n",
+        "\n");
+    push(@c, "int disorder_$cmdc(disorder_client *c",
+        map(", const char *$_->[0]", @$args), ") {\n",
+        "  return disorder_simple(c, 0, \"$cmd\"",
+        map(", $_->[0]", @$args),
+        ", (char *)0);\n",
+        "}\n\n");
+
+    # Asynchronous C API
+    # TODO
+
+    # Python API
+    # TODO
+
+    # Java API
+    # TODO
+}
+
+# TODO other command classes
+
+# Front matter ----------------------------------------------------------------
+
+our @gpl = ("/*\n",
+           " * This file is part of DisOrder.\n",
+           " * Copyright (C) 2010 Richard Kettlewell\n",
+           " *\n",
+           " * This program is free software: you can redistribute it and/or modify\n",
+           " * it under the terms of the GNU General Public License as published by\n",
+           " * the Free Software Foundation, either version 3 of the License, or\n",
+           " * (at your option) any later version.\n",
+           " *\n",
+           " * This program is distributed in the hope that it will be useful,\n",
+           " * but WITHOUT ANY WARRANTY; without even the implied warranty of\n",
+           " * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n",
+           " * GNU General Public License for more details.\n",
+           " *\n",
+           " * You should have received a copy of the GNU General Public License\n",
+           " * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n",
+           " */\n");
+
+
+push(@h, @gpl,
+     "#ifndef CLIENT_STUBS_H\n",
+     "#define CLIENT_STUBS_H\n",
+     "\n");
+
+push(@c, @gpl,
+     "\n");
+
+# The protocol ----------------------------------------------------------------
+
+simple_string_command("adopt",
+                     "Adopt a track",
+                     "Makes the calling user owner of a randomly picked track.",
+                     [["id", "Track ID"]]);
+
+simple_string_command("adduser",
+                     "Create a user",
+                     "Create a new user.  Requires the 'admin' right.  Email addresses etc must be filled in in separate commands.",
+                     [["user", "New username"],
+                      ["password", "Initial password"],
+                      ["rights", "Initial rights (optional)"]]);
+
+# TODO allfiles
+
+simple_string_command("confirm",
+                     "Confirm user registration",
+                     "The confirmation string is as returned by the register command.",
+                     [["confirmation", "Confirmnation string"]]);
+
+# TODO cookie
+
+simple_string_command("deluser",
+                     "Delete user",
+                     "Requires the 'admin' right.",
+                     [["user", "User to delete"]]);
+
+# TODO dirs
+
+simple_string_command("disable",
+                     "Disable play",
+                     "Play will stop at the end of the current track, if one is playing.  Requires the 'global prefs' right.",
+                     []);
+
+simple_string_command("edituser",
+                     "Set a user property",
+                     "With the 'admin' right you can do anything.  Otherwise you need the 'userinfo' right and can only set 'email' and 'password'.",
+                     [["username", "User to modify"],
+                      ["property", "Property name"],
+                      ["value", "New property value"]]);
+
+simple_string_command("enable",
+                     "Enable play",
+                     "Requires the 'global prefs' right.",
+                     []);
+
+# TODO enabled
+
+# TODO exists
+
+# TODO files
+
+# TODO get
+
+# TODO get-global
+
+# TODO length
+
+# TODO log
+
+# TODO make-cookie
+
+# TODO move
+
+# TODO moveafter
+
+# TODO new
+
+simple_string_command("nop",
+                     "Do nothing",
+                     "Used as a keepalive.  No authentication required.",
+                     []);
+
+# TODO part
+
+simple_string_command("pause",
+                     "Pause the currently playing track",
+                     "Requires the 'pause' right.",
+                     []);
+
+# TODO playafter
+
+# TODO playing
+
+simple_string_command("playlist-delete",
+                     "Delete a playlist",
+                     "Requires the 'play' right and permission to modify the playlist.",
+                     [["playlist", "Playlist to delete"]]);
+
+# TODO playlist-get
+
+# TODO playlist-get-share
+
+simple_string_command("playlist-lock",
+                     "Lock a playlist",
+                     "Requires the 'play' right and permission to modify the playlist.  A given connection may lock at most one playlist.",
+                     [["playlist", "Playlist to delete"]]);
+
+# TODO playlist-set
+
+simple_string_command("playlist-set-share",
+                     "Set a playlist's sharing status",
+                     "Requires the 'play' right and permission to modify the playlist.  ",
+                     [["playlist", "Playlist to modify"],
+                      ["share", "New sharing status ('public', 'private' or 'shared')"]]);
+
+simple_string_command("playlist-unlock",
+                     "Unlock the locked playlist playlist",
+                     "The playlist to unlock is implicit in the connection.",
+                     []);
+
+# TODO playlists
+
+# TODO prefs
+
+# TODO queue
+
+simple_string_command("random-disable",
+                     "Disable random play",
+                     "Requires the 'global prefs' right.",
+                     []);
+
+simple_string_command("random-enable",
+                     "Enable random play",
+                     "Requires the 'global prefs' right.",
+                     []);
+
+# TODO random-enabled
+
+# TODO recent
+
+simple_string_command("reconfigure",
+                     "Re-read configuraiton file.",
+                     "Requires the 'admin' right.",
+                     []);
+
+# TODO register
+
+simple_string_command("reminder",
+                     "Send a password reminder.",
+                     "If the user has no valid email address, or no password, or a reminder has been sent too recently, then no reminder will be sent.",
+                     [["username", "User to remind"]]);
+
+simple_string_command("remove",
+                     "Remove a track form the queue.",
+                     "Requires one of the 'remove mine', 'remove random' or 'remove any' rights depending on how the track came to be added to the queue.",
+                     [["id", "Track ID"]]);
+
+simple_string_command("rescan",
+                     "Rescan all collections for new or obsolete tracks.",
+                     "Requires the 'rescan' right.",
+                     []);      # TODO wait/fresh flags
+
+# TODO resolve
+
+simple_string_command("resume",
+                     "Resume the currently playing track",
+                     "Requires the 'pause' right.",
+                     []);
+
+simple_string_command("revoke",
+                     "Revoke a cookie.",
+                     "It will not subsequently be possible to log in with the cookie..",
+                     [["cookie", "Cookie to revoke"]]);
+
+# TODO rtp-address
+
+simple_string_command("scratch",
+                     "Terminate the playing track.",
+                     "Requires one of the 'scratch mine', 'scratch random' or 'scratch any' rights depending on how the track came to be added to the queue.",
+                     [["id", "Track ID (optional)"]]);
+
+# TODO schedule-add
+
+simple_string_command("schedule-del",
+                     "Delete a scheduled event.",
+                     "Users can always delete their own scheduled events; with the admin right you can delete any event.",
+                     [["event", "ID of event to delete"]]);
+
+# TODO schedule-get
+
+# TODO schedule-list
+
+# TODO search
+
+simple_string_command("set",
+                     "Set a track preference",
+                     "Requires the 'prefs' right.",
+                     [["track", "Track name"],
+                      ["pref", "Preference name"],
+                      ["value", "New value"]]);
+
+simple_string_command("set-global",
+                     "Set a global preference",
+                     "Requires the 'global prefs' right.",
+                     [["pref", "Preference name"],
+                      ["value", "New value"]]);
+
+# TODO stats
+
+# TODO tags
+
+simple_string_command("unset",
+                     "Unset a track preference",
+                     "Requires the 'prefs' right.",
+                     [["track", "Track name"],
+                      ["pref", "Preference name"]]);
+
+simple_string_command("unset-global",
+                     "Set a global preference",
+                     "Requires the 'global prefs' right.",
+                     [["pref", "Preference name"]]);
+
+# user is only used by connect functions
+
+# TODO userinfo
+
+# TODO users
+
+# TODO version
+
+# TODO volume
+
+# End matter ------------------------------------------------------------------
+
+push(@h, "#endif\n");
+
+# Write it all out ------------------------------------------------------------
+
+Write("client-stubs.h", \@h);
+Write("client-stubs.c", \@c);