lib: Move protobuf definitions to pb/ directory

This moves the protobuf definition in the library to a pb/
directory. Also renames the protobuf files and does a quick review of
the #define guards in the include library to specify _LIB_ for
internal/non-public library headers.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

6 files changed, 325 insertions, 0 deletions

diff --git a/src/lib/pb/cacep.proto b/src/lib/pb/cacep.proto
new file mode 100644
index 00000000..5d735e33
--- /dev/null
+++ b/src/lib/pb/cacep.proto
@@ -0,0 +1,39 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2023
+ *
+ * Message for Connection Information in CACEP
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+syntax = "proto2";
+
+message fixed_conc_syntax_msg {
+        repeated uint32 fids = 1;
+        repeated uint32 lens = 2;
+}
+
+message cacep_msg {
+        required string comp_name                  = 1;
+        required string protocol                   = 2;
+        required int32 pref_version                = 3;
+        repeated int32 supp_version                = 4;
+        required int32 pref_syntax                 = 5;
+        repeated int32 supp_syntax                 = 6;
+        optional fixed_conc_syntax_msg syntax_spec = 7;
+        required uint64 address                    = 8;
+}
\ No newline at end of file
diff --git a/src/lib/pb/enroll.proto b/src/lib/pb/enroll.proto
new file mode 100644
index 00000000..3b22ac17
--- /dev/null
+++ b/src/lib/pb/enroll.proto
@@ -0,0 +1,42 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2023
+ *
+ * Enrollment protocol
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+syntax = "proto2";
+import "ipcp_config.proto";
+
+message enroll_req_msg {
+        /* TODO authentication */
+        required bytes id = 1;
+}
+
+message enroll_resp_msg {
+        required bytes           id       = 1;
+        required int64           t_sec    = 2;
+        required int32           t_nsec   = 3;
+        required int32           response = 4;
+        optional ipcp_config_msg conf     = 5;
+}
+
+message enroll_ack_msg {
+        required bytes id     = 1;
+        required int32 result = 2;
+}
diff --git a/src/lib/pb/ipcp.proto b/src/lib/pb/ipcp.proto
new file mode 100644
index 00000000..f3eca0b8
--- /dev/null
+++ b/src/lib/pb/ipcp.proto
@@ -0,0 +1,58 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2023
+ *
+ * Messages sent to IPCPds
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+syntax = "proto2";
+
+import "ipcp_config.proto";
+import "qos.proto";
+
+enum ipcp_msg_code {
+        IPCP_BOOTSTRAP       =  1;
+        IPCP_ENROLL          =  2;
+        IPCP_REG             =  3;
+        IPCP_UNREG           =  4;
+        IPCP_QUERY           =  5;
+        IPCP_FLOW_ALLOC      =  6;
+        IPCP_FLOW_JOIN       =  7;
+        IPCP_FLOW_ALLOC_RESP =  8;
+        IPCP_FLOW_DEALLOC    =  9;
+        IPCP_CONNECT         = 10;
+        IPCP_DISCONNECT      = 11;
+        IPCP_REPLY           = 12;
+}
+
+message ipcp_msg {
+        required ipcp_msg_code code        =  1;
+        optional bytes hash                =  2;
+        optional int32 flow_id             =  3;
+        optional string dst                =  4;
+        optional qosspec_msg qosspec       =  5;
+        optional bytes pk                  =  6; /* piggyback */
+        optional ipcp_config_msg conf      =  7;
+        optional int32 pid                 =  8;
+        optional layer_info_msg layer_info =  9;
+        optional int32 response            = 10;
+        optional string comp               = 11;
+        optional uint32 timeo_sec          = 12;
+        optional sint32 mpl                = 13;
+        optional int32 result              = 14;
+}
diff --git a/src/lib/pb/ipcp_config.proto b/src/lib/pb/ipcp_config.proto
new file mode 100644
index 00000000..1ff304f1
--- /dev/null
+++ b/src/lib/pb/ipcp_config.proto
@@ -0,0 +1,60 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2023
+ *
+ * Layer configuration message
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+syntax = "proto2";
+
+message layer_info_msg {
+        required string layer_name    =  1;
+        required uint32 dir_hash_algo =  2;
+}
+
+message dt_config_msg {
+        required uint32 addr_size    = 1;
+        required uint32 eid_size     = 2;
+        required uint32 max_ttl      = 3;
+        required uint32 routing_type = 4;
+}
+
+message uni_config_msg {
+        required dt_config_msg dt      = 1;
+        required uint32 addr_auth_type = 2;
+        required uint32 cong_avoid     = 3;
+}
+
+message eth_config_msg {
+        required string dev       = 1;
+        required uint32 ethertype = 2;
+}
+
+message udp_config_msg {
+        required uint32 ip_addr  = 1;
+        required uint32 port     = 2;
+        required uint32 dns_addr = 3; /* set to 0 if unused */
+}
+
+message ipcp_config_msg {
+        required layer_info_msg layer_info =  1;
+        required uint32 ipcp_type          =  2;
+        optional uni_config_msg unicast    =  3;
+        optional udp_config_msg udp        =  4;
+        optional eth_config_msg eth        =  5;
+}
diff --git a/src/lib/pb/irm.proto b/src/lib/pb/irm.proto
new file mode 100644
index 00000000..49afa2e4
--- /dev/null
+++ b/src/lib/pb/irm.proto
@@ -0,0 +1,91 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2023
+ *
+ * Messages sent to IRMd
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+syntax = "proto2";
+
+import "ipcp_config.proto";
+import "qos.proto";
+
+enum irm_msg_code {
+        IRM_CREATE_IPCP       =  1;
+        IPCP_CREATE_R         =  2;
+        IRM_DESTROY_IPCP      =  3;
+        IRM_LIST_IPCPS        =  4;
+        IRM_BOOTSTRAP_IPCP    =  5;
+        IRM_ENROLL_IPCP       =  6;
+        IRM_CONNECT_IPCP      =  7;
+        IRM_DISCONNECT_IPCP   =  8;
+        IRM_BIND_PROGRAM      =  9;
+        IRM_UNBIND_PROGRAM    = 10;
+        IRM_PROC_ANNOUNCE     = 11;
+        IRM_BIND_PROCESS      = 12;
+        IRM_UNBIND_PROCESS    = 13;
+        IRM_CREATE_NAME       = 14;
+        IRM_DESTROY_NAME      = 15;
+        IRM_LIST_NAMES        = 16;
+        IRM_REG_NAME          = 17;
+        IRM_UNREG_NAME        = 18;
+        IRM_FLOW_ALLOC        = 19;
+        IRM_FLOW_ACCEPT       = 20;
+        IRM_FLOW_JOIN         = 21;
+        IRM_FLOW_DEALLOC      = 22;
+        IPCP_FLOW_REQ_ARR     = 23;
+        IPCP_FLOW_ALLOC_REPLY = 24;
+        IRM_REPLY             = 25;
+}
+
+message ipcp_info_msg {
+        required uint32 pid   = 1;
+        required uint32 type  = 2;
+        required string name  = 3;
+        required string layer = 4;
+}
+
+message name_info_msg {
+        required string name   = 1;
+        required uint32 pol_lb = 2;
+}
+
+message irm_msg {
+        required irm_msg_code code    =  1;
+        optional string prog          =  2;
+        optional sint32 pid           =  3;
+        optional string name          =  4;
+        optional uint32 ipcp_type     =  5;
+        optional string layer         =  6;
+        repeated string args          =  7;
+        optional sint32 response      =  8;
+        optional string dst           =  9;
+        optional bytes  hash          = 10;
+        optional sint32 flow_id       = 11;
+        optional qosspec_msg qosspec  = 12;
+        optional ipcp_config_msg conf = 13;
+        optional uint32 opts          = 14;
+        repeated ipcp_info_msg ipcps  = 15;
+        repeated name_info_msg names  = 16;
+        optional uint32 timeo_sec     = 17;
+        optional uint32 timeo_nsec    = 18;
+        optional sint32 mpl           = 19;
+        optional string comp          = 20;
+        optional bytes pk             = 21; /* piggyback */
+        optional sint32 result        = 22;
+}
diff --git a/src/lib/pb/qos.proto b/src/lib/pb/qos.proto
new file mode 100644
index 00000000..81d0e4a0
--- /dev/null
+++ b/src/lib/pb/qos.proto
@@ -0,0 +1,35 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2023
+ *
+ * QoS specification message
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+syntax = "proto2";
+
+message qosspec_msg {
+        required uint32 delay        = 1; /* In ms.                   */
+        required uint64 bandwidth    = 2; /* In bits/s.               */
+        required uint32 availability = 3; /* Class of 9s.             */
+        required uint32 loss         = 4; /* Packet loss.             */
+        required uint32 ber          = 5; /* Bit error rate, ppb.     */
+        required uint32 in_order     = 6; /* In-order delivery.       */
+        required uint32 max_gap      = 7; /* In ms.                   */
+        required uint32 cypher_s     = 8; /* Crypto strength in bits. */
+        required uint32 timeout      = 9; /* Timeout in ms.           */
+}