Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/modules/EVSE/IsoMux/v2g_ctx.cpp

@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright (C) 2022-2023 chargebyte GmbH
+// Copyright (C) 2022-2023 Contributors to EVerest
+
+#include <cstdlib>
+#include <cstring>
+#include <dirent.h>
+#include <errno.h>
+#include <math.h>
+#include <unistd.h> // sleep
+
+#include "log.hpp"
+#include "v2g_ctx.hpp"
+
+#include <cbv2g/iso_2/iso2_msgDefDatatypes.h>
+
+struct v2g_context* v2g_ctx_create(evse_securityIntf* r_security) {
+    struct v2g_context* ctx;
+
+    // TODO There are c++ objects within v2g_context and calloc doesn't call initialisers.
+    //      free() will not call destructors
+    ctx = static_cast<v2g_context*>(calloc(1, sizeof(*ctx)));
+    if (!ctx)
+        return NULL;
+
+    ctx->r_security = r_security;
+    ctx->tls_security = TLS_SECURITY_PROHIBIT; // default
+
+    ctx->local_tcp_addr = NULL;
+    ctx->local_tls_addr = NULL;
+
+    /* interface from config file or options */
+    ctx->if_name = "eth1";
+    ctx->proxy_if_name = nullptr;
+
+    ctx->network_read_timeout = 1000;
+    ctx->network_read_timeout_tls = 5000;
+
+    ctx->sdp_socket = -1;
+    ctx->tcp_socket = -1;
+    ctx->tls_socket.fd = -1;
+
+    ctx->com_setup_timeout = NULL;
+
+    return ctx;
+
+free_out:
+    free(ctx->local_tls_addr);
+    free(ctx->local_tcp_addr);
+    free(ctx);
+    return NULL;
+}
+
+void v2g_ctx_free(struct v2g_context* ctx) {
+    free(ctx->local_tls_addr);
+    ctx->local_tls_addr = NULL;
+    free(ctx->local_tcp_addr);
+    ctx->local_tcp_addr = NULL;
+    free(ctx);
+}