#include <cmdline_parse_string.h>
#include <cmdline_parse_ipaddr.h>
#include <cmdline_parse_etheraddr.h>
+#include <cmdline_rdline.h>
+#include <cmdline_socket.h>
+#include <cmdline.h>
+
+#include <fcntl.h>
+#include <unistd.h>
#include "app.h"
#include "pipeline_common_fe.h"
#include "cgnapt_pcp_fe.h"
#endif
+#define MAX_BUF_SIZE 2048
+
/**
* A structure defining the CG-NAPT entry that is stored on
* front end.
};
+int nat_load_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+int nat_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+uint32_t rules_loaded = 0;
+extern struct cmdline *pipe_cl;
+struct app_params *myapp;
+
/**
* Init function for CG-NAPT FE.
*
__rte_unused struct cmdline *cl,
__rte_unused void *data)
{
- all_cgnapt_stats();
+ char buf[2048];
+ all_cgnapt_stats(&buf[0]);
}
static cmdline_parse_token_string_t cmd_cgnapt_stats_p_string =
__rte_unused struct cmdline *cl,
__rte_unused void *data)
{
- all_cgnapt_clear_stats();
+ char buf[2048];
+ all_cgnapt_clear_stats(&buf[0]);
}
static cmdline_parse_token_string_t cmd_cgnapt_clear_stats_p_string =
TOKEN_STRING_INITIALIZER(struct cmd_cgnapt_clear_stats_result, stats_string,
"stats");
+int cgnapt_stats_handler(struct mg_connection *conn, void *cbdata)
+{
+ uint32_t num_links = 0, len = 0;
+ char buf[1024];
+ const struct mg_request_info *ri = mg_get_request_info(conn);
+ struct app_params *app = myapp;
+ int i;
+
+ if (!strcmp(ri->request_method, "GET")) {
+ all_cgnapt_stats(&buf[0]);
+ mg_printf(conn, "%s\n", &buf[0]);
+ return 1;
+ }
+
+ if (strcmp(ri->request_method, "POST")) {
+ mg_printf(conn,
+ "HTTP/1.1 405 Method Not Allowed\r\nConnection: close\r\n");
+ mg_printf(conn, "Content-Type: text/plain\r\n\r\n");
+ mg_printf(conn,
+ "%s method not allowed in the GET handler\n",
+ ri->request_method);
+ }
+
+ all_cgnapt_clear_stats(&buf[0]);
+ mg_printf(conn, "%s\n", &buf[0]);
+ return 1;
+
+}
+
+int cgnapt_cmd_ver_handler(struct mg_connection *conn, void *cbdata)
+{
+ const struct mg_request_info *req_info = mg_get_request_info(conn);
+
+ mg_printf(conn,
+ "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+ "close\r\n\r\n");
+ mg_printf(conn, "<html><body>");
+ mg_printf(conn, "<p>Command Passed</p>");
+ mg_printf(conn, "</body></html>\n");
+
+ return 1;
+}
+
+/*
+ * loadrules
+ */
+
+/**
+ * Open file and process all commands in the file.
+ *
+ * @param ctx
+ * A pointer to the CLI context
+ * @param file_name
+ * A pointer to the file to process.
+ *
+ */
+static void cgnapt_loadrules_file(cmdline_parse_ctx_t *ctx, const char *file_name)
+{
+ struct cmdline *file_cl;
+ int fd;
+
+ fd = open(file_name, O_RDONLY);
+ if (fd < 0) {
+ printf("Cannot open file \"%s\"\n", file_name);
+ return;
+ }
+
+ file_cl = cmdline_new(ctx, "", fd, 1);
+ cmdline_interact(file_cl);
+ close(fd);
+}
+
+
+int nat_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+
+ const struct mg_request_info *req_info = mg_get_request_info(conn);
+ if (strcmp(req_info->request_method, "GET")) {
+ mg_printf(conn, "Only GET method allowed");
+ return 1;
+ }
+
+ mg_printf(conn,
+ "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+ "close\r\n\r\n");
+ mg_printf(conn, "<html><body>");
+ mg_printf(conn, "<h2> These are the methods that are supported </h2>");
+ mg_printf(conn, "<h3> /load </h3>");
+ mg_printf(conn, "<html><body>");
+
+ mg_printf(conn, "</body></html>\n");
+
+ return 1;
+}
+
+static int nat_field_found(const char *key,
+ const char *filename,
+ char *path,
+ size_t pathlen,
+ void *user_data)
+{
+ struct mg_connection *conn = (struct mg_connection *)user_data;
+
+ mg_printf(conn, "\r\n\r\n%s:\r\n", key);
+ mg_printf(conn, "Inside vfw_field_found %s \n", filename);
+
+ if (filename && *filename) {
+ snprintf(path, pathlen, "/tmp/%s", filename);
+ struct app_params *app = myapp;
+ int status;
+ int fd;
+
+ mg_printf(conn, "path: %s\n", path);
+
+ /* Make sure the file exists before clearing rules and actions */
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ mg_printf(conn, "Cannot open file \"%s\"\n", filename);
+ return FORM_FIELD_STORAGE_GET;
+ }
+
+ close(fd);
+ return FORM_FIELD_STORAGE_STORE;
+ }
+
+ return FORM_FIELD_STORAGE_GET;
+}
+
+static int nat_field_get(const char *key, const char *value, size_t valuelen,
+ void *user_data)
+{
+ struct mg_connection *conn = (struct mg_connection *)user_data;
+
+ if (key[0]) {
+ mg_printf(conn, "%s = ", key);
+ }
+ mg_write(conn, value, valuelen);
+
+ return 0;
+}
+
+static int nat_field_stored(const char *path, long long file_size,
+ void *user_data)
+{
+ struct mg_connection *conn = (struct mg_connection *)user_data;
+ int status;
+
+ mg_printf(conn,
+ "stored as %s (%lu bytes)\r\n\r\n",
+ path,
+ (unsigned long)file_size);
+
+ /* Process commands in script file */
+ cgnapt_loadrules_file(pipe_cl->ctx, path);
+ rules_loaded = 1;
+
+ return 0;
+}
+
+int nat_load_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+ /* Handler may access the request info using mg_get_request_info */
+ int ret;
+ const struct mg_request_info *req_info = mg_get_request_info(conn);
+ struct mg_form_data_handler fdh = {nat_field_found, nat_field_get,
+ nat_field_stored, 0};
+
+ /* It would be possible to check the request info here before calling
+ * mg_handle_form_request. */
+ (void)req_info;
+
+ mg_printf(conn,
+ "HTTP/1.1 200 OK\r\nContent-Type: "
+ "text/plain\r\nConnection: close\r\n\r\n");
+
+ if (!strcmp(req_info->request_method, "GET")) {
+ mg_printf(conn, "Rule file is %s\n", rules_loaded? "LOADED":"NOT LOADED");
+ }
+
+ if (strcmp(req_info->request_method, "PUT")) {
+ mg_printf(conn, "Only PUT method allowed");
+ return 1;
+ }
+
+ fdh.user_data = (void *)conn;
+
+ /* Call the form handler */
+ mg_printf(conn, "Form data:");
+ ret = mg_handle_form_request(conn, &fdh);
+ mg_printf(conn, "\r\n%i fields found", ret);
+
+ return 1;
+}
+
+void rest_api_cgnapt_init(struct mg_context *ctx, struct app_params *app)
+{
+ myapp = app;
+
+ /* vCGNAPT commands */
+ mg_set_request_handler(ctx, "/vnf/config/nat", nat_handler, 0);
+ mg_set_request_handler(ctx, "/vnf/config/nat/load", nat_load_handler, 0);
+ mg_set_request_handler(ctx, "/vnf/status", cgnapt_cmd_ver_handler, 0);
+ mg_set_request_handler(ctx, "/vnf/stats", cgnapt_stats_handler, 0);
+
+}
+
static cmdline_parse_inst_t cmd_clear_stats = {
.f = cmd_cgnapt_clear_stats_parsed,
.data = NULL,
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