[PATCH V2 7/9] examples/pipeline: add CLI command for pipeline code generation

[Cristian Dumitrescu]

Add CLI command for the pipeline code generation operation.

Signed-off-by: Cristian Dumitrescu <cristian.dumitre...@intel.com>
Signed-off-by: Kamalakannan R. <kamalakanna...@intel.com>
---
 examples/pipeline/cli.c | 61 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/examples/pipeline/cli.c b/examples/pipeline/cli.c
index 1f75b5dc9d..fdaf5dd16b 100644
--- a/examples/pipeline/cli.c
+++ b/examples/pipeline/cli.c
@@ -983,6 +983,53 @@ cmd_pipeline_port_out(char **tokens,
        }
 }
 
+static const char cmd_pipeline_codegen_help[] =
+"pipeline codegen <spec_file> <code_file>\n";
+
+static void
+cmd_pipeline_codegen(char **tokens,
+       uint32_t n_tokens,
+       char *out,
+       size_t out_size,
+       void *obj __rte_unused)
+{
+       FILE *spec_file = NULL;
+       FILE *code_file = NULL;
+       uint32_t err_line;
+       const char *err_msg;
+       int status;
+
+       if (n_tokens != 4) {
+               snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
+               return;
+       }
+
+       spec_file = fopen(tokens[2], "r");
+       if (!spec_file) {
+               snprintf(out, out_size, "Cannot open file %s.\n", tokens[2]);
+               return;
+       }
+
+       code_file = fopen(tokens[3], "w");
+       if (!code_file) {
+               snprintf(out, out_size, "Cannot open file %s.\n", tokens[3]);
+               return;
+       }
+
+       status = rte_swx_pipeline_codegen(spec_file,
+                                         code_file,
+                                         &err_line,
+                                         &err_msg);
+
+       fclose(spec_file);
+       fclose(code_file);
+
+       if (status) {
+               snprintf(out, out_size, "Error %d at line %u: %s\n.",
+                       status, err_line, err_msg);
+               return;
+       }
+}
 static const char cmd_pipeline_build_help[] =
 "pipeline <pipeline_name> build <lib_file>\n";
 
@@ -2962,6 +3009,7 @@ cmd_help(char **tokens,
                        "\tpipeline create\n"
                        "\tpipeline port in\n"
                        "\tpipeline port out\n"
+                       "\tpipeline codegen\n"
                        "\tpipeline build\n"
                        "\tpipeline table add\n"
                        "\tpipeline table delete\n"
@@ -3031,6 +3079,12 @@ cmd_help(char **tokens,
                }
        }
 
+       if ((strcmp(tokens[0], "pipeline") == 0) &&
+               (n_tokens == 2) && (strcmp(tokens[1], "codegen") == 0)) {
+               snprintf(out, out_size, "\n%s\n", cmd_pipeline_codegen_help);
+               return;
+       }
+
        if ((strcmp(tokens[0], "pipeline") == 0) &&
                (n_tokens == 2) && (strcmp(tokens[1], "build") == 0)) {
                snprintf(out, out_size, "\n%s\n", cmd_pipeline_build_help);
@@ -3309,6 +3363,13 @@ cli_process(char *in, char *out, size_t out_size, void 
*obj)
                        return;
                }
 
+               if ((n_tokens >= 3) &&
+                       (strcmp(tokens[1], "codegen") == 0)) {
+                       cmd_pipeline_codegen(tokens, n_tokens, out, out_size,
+                               obj);
+                       return;
+               }
+
                if ((n_tokens >= 3) &&
                        (strcmp(tokens[2], "build") == 0)) {
                        cmd_pipeline_build(tokens, n_tokens, out, out_size,
-- 
2.34.1