examples/ip_pipeline: add table bulk add command
[dpdk.git] / examples / ip_pipeline / cli.c
index 9fd7f32..27388ba 100644 (file)
 #define CMD_MAX_TOKENS     256
 #endif
 
-#define MSG_OUT_OF_MEMORY  "Not enough memory.\n"
-#define MSG_CMD_UNKNOWN    "Unknown command \"%s\".\n"
-#define MSG_CMD_UNIMPLEM   "Command \"%s\" not implemented.\n"
-#define MSG_ARG_NOT_ENOUGH "Not enough arguments for command \"%s\".\n"
-#define MSG_ARG_TOO_MANY   "Too many arguments for command \"%s\".\n"
-#define MSG_ARG_MISMATCH   "Wrong number of arguments for command \"%s\".\n"
-#define MSG_ARG_NOT_FOUND  "Argument \"%s\" not found.\n"
-#define MSG_ARG_INVALID    "Invalid value for argument \"%s\".\n"
-#define MSG_FILE_ERR       "Error in file \"%s\" at line %u.\n"
-#define MSG_CMD_FAIL       "Command \"%s\" failed.\n"
+#define MSG_OUT_OF_MEMORY   "Not enough memory.\n"
+#define MSG_CMD_UNKNOWN     "Unknown command \"%s\".\n"
+#define MSG_CMD_UNIMPLEM    "Command \"%s\" not implemented.\n"
+#define MSG_ARG_NOT_ENOUGH  "Not enough arguments for command \"%s\".\n"
+#define MSG_ARG_TOO_MANY    "Too many arguments for command \"%s\".\n"
+#define MSG_ARG_MISMATCH    "Wrong number of arguments for command \"%s\".\n"
+#define MSG_ARG_NOT_FOUND   "Argument \"%s\" not found.\n"
+#define MSG_ARG_INVALID     "Invalid value for argument \"%s\".\n"
+#define MSG_FILE_ERR        "Error in file \"%s\" at line %u.\n"
+#define MSG_FILE_NOT_ENOUGH "Not enough rules in file \"%s\".\n"
+#define MSG_CMD_FAIL        "Command \"%s\" failed.\n"
 
 static int
 is_comment(char *in)
@@ -3539,6 +3540,133 @@ cmd_pipeline_table_rule_add_default(char **tokens,
        }
 }
 
+/**
+ * pipeline <pipeline_name> table <table_id> rule add bulk <file_name> <n_rules>
+ *
+ * File <file_name>:
+ * - line format: match <match> action <action>
+ */
+static int
+cli_rule_file_process(const char *file_name,
+       size_t line_len_max,
+       struct table_rule_match *m,
+       struct table_rule_action *a,
+       uint32_t *n_rules,
+       uint32_t *line_number,
+       char *out,
+       size_t out_size);
+
+static void
+cmd_pipeline_table_rule_add_bulk(char **tokens,
+       uint32_t n_tokens,
+       char *out,
+       size_t out_size)
+{
+       struct table_rule_match *match;
+       struct table_rule_action *action;
+       void **data;
+       char *pipeline_name, *file_name;
+       uint32_t table_id, n_rules, n_rules_parsed, line_number;
+       int status;
+
+       if (n_tokens != 9) {
+               snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
+               return;
+       }
+
+       pipeline_name = tokens[1];
+
+       if (strcmp(tokens[2], "table") != 0) {
+               snprintf(out, out_size, MSG_ARG_NOT_FOUND, "table");
+               return;
+       }
+
+       if (parser_read_uint32(&table_id, tokens[3]) != 0) {
+               snprintf(out, out_size, MSG_ARG_INVALID, "table_id");
+               return;
+       }
+
+       if (strcmp(tokens[4], "rule") != 0) {
+               snprintf(out, out_size, MSG_ARG_NOT_FOUND, "rule");
+               return;
+       }
+
+       if (strcmp(tokens[5], "add") != 0) {
+               snprintf(out, out_size, MSG_ARG_NOT_FOUND, "add");
+               return;
+       }
+
+       if (strcmp(tokens[6], "bulk") != 0) {
+               snprintf(out, out_size, MSG_ARG_INVALID, "bulk");
+               return;
+       }
+
+       file_name = tokens[7];
+
+       if ((parser_read_uint32(&n_rules, tokens[8]) != 0) ||
+               (n_rules == 0)) {
+               snprintf(out, out_size, MSG_ARG_INVALID, "n_rules");
+               return;
+       }
+
+       /* Memory allocation. */
+       match = calloc(n_rules, sizeof(struct table_rule_match));
+       action = calloc(n_rules, sizeof(struct table_rule_action));
+       data = calloc(n_rules, sizeof(void *));
+       if ((match == NULL) || (action == NULL) || (data == NULL)) {
+               snprintf(out, out_size, MSG_OUT_OF_MEMORY);
+               free(data);
+               free(action);
+               free(match);
+               return;
+       }
+
+       /* Load rule file */
+       n_rules_parsed = n_rules;
+       status = cli_rule_file_process(file_name,
+               1024,
+               match,
+               action,
+               &n_rules_parsed,
+               &line_number,
+               out,
+               out_size);
+       if (status) {
+               snprintf(out, out_size, MSG_FILE_ERR, file_name, line_number);
+               free(data);
+               free(action);
+               free(match);
+               return;
+       }
+       if (n_rules_parsed != n_rules) {
+               snprintf(out, out_size, MSG_FILE_NOT_ENOUGH, file_name);
+               free(data);
+               free(action);
+               free(match);
+               return;
+       }
+
+       /* Rule bulk add */
+       status = pipeline_table_rule_add_bulk(pipeline_name,
+               table_id,
+               match,
+               action,
+               data,
+               &n_rules);
+       if (status) {
+               snprintf(out, out_size, MSG_CMD_FAIL, tokens[0]);
+               free(data);
+               free(action);
+               free(match);
+               return;
+       }
+
+       /* Memory free */
+       free(data);
+       free(action);
+       free(match);
+}
+
 /**
  * pipeline <pipeline_name> table <table_id> rule delete
  *    match <match>
@@ -3940,6 +4068,16 @@ cli_process(char *in, char *out, size_t out_size)
                        return;
                }
 
+               if ((n_tokens >= 7) &&
+                       (strcmp(tokens[2], "table") == 0) &&
+                       (strcmp(tokens[4], "rule") == 0) &&
+                       (strcmp(tokens[5], "add") == 0) &&
+                       (strcmp(tokens[6], "bulk") == 0)) {
+                       cmd_pipeline_table_rule_add_bulk(tokens,
+                               n_tokens, out, out_size);
+                       return;
+               }
+
                if ((n_tokens >= 7) &&
                        (strcmp(tokens[2], "table") == 0) &&
                        (strcmp(tokens[4], "rule") == 0) &&
@@ -4031,3 +4169,112 @@ cli_script_process(const char *file_name,
        free(msg_in);
        return 0;
 }
+
+static int
+cli_rule_file_process(const char *file_name,
+       size_t line_len_max,
+       struct table_rule_match *m,
+       struct table_rule_action *a,
+       uint32_t *n_rules,
+       uint32_t *line_number,
+       char *out,
+       size_t out_size)
+{
+       FILE *f = NULL;
+       char *line = NULL;
+       uint32_t rule_id, line_id;
+       int status = 0;
+
+       /* Check input arguments */
+       if ((file_name == NULL) ||
+               (strlen(file_name) == 0) ||
+               (line_len_max == 0)) {
+               *line_number = 0;
+               return -EINVAL;
+       }
+
+       /* Memory allocation */
+       line = malloc(line_len_max + 1);
+       if (line == NULL) {
+               *line_number = 0;
+               return -ENOMEM;
+       }
+
+       /* Open file */
+       f = fopen(file_name, "r");
+       if (f == NULL) {
+               *line_number = 0;
+               free(line);
+               return -EIO;
+       }
+
+       /* Read file */
+       for (line_id = 1, rule_id = 0; rule_id < *n_rules; line_id++) {
+               char *tokens[CMD_MAX_TOKENS];
+               uint32_t n_tokens, n_tokens_parsed, t0;
+
+               /* Read next line from file. */
+               if (fgets(line, line_len_max + 1, f) == NULL)
+                       break;
+
+               /* Comment. */
+               if (is_comment(line))
+                       continue;
+
+               /* Parse line. */
+               n_tokens = RTE_DIM(tokens);
+               status = parse_tokenize_string(line, tokens, &n_tokens);
+               if (status) {
+                       status = -EINVAL;
+                       break;
+               }
+
+               /* Empty line. */
+               if (n_tokens == 0)
+                       continue;
+               t0 = 0;
+
+               /* Rule match. */
+               n_tokens_parsed = parse_match(tokens + t0,
+                       n_tokens - t0,
+                       out,
+                       out_size,
+                       &m[rule_id]);
+               if (n_tokens_parsed == 0) {
+                       status = -EINVAL;
+                       break;
+               }
+               t0 += n_tokens_parsed;
+
+               /* Rule action. */
+               n_tokens_parsed = parse_table_action(tokens + t0,
+                       n_tokens - t0,
+                       out,
+                       out_size,
+                       &a[rule_id]);
+               if (n_tokens_parsed == 0) {
+                       status = -EINVAL;
+                       break;
+               }
+               t0 += n_tokens_parsed;
+
+               /* Line completed. */
+               if (t0 < n_tokens) {
+                       status = -EINVAL;
+                       break;
+               }
+
+               /* Increment rule count */
+               rule_id++;
+       }
+
+       /* Close file */
+       fclose(f);
+
+       /* Memory free */
+       free(line);
+
+       *n_rules = rule_id;
+       *line_number = line_id;
+       return status;
+}