feat: overture interface

include/overture.h

@@ -1,6 +1,8 @@
 #ifndef _OVERTURE_H_
 #define _OVERTURE_H_
 
+#include "process.h"
+
 typedef struct {
     int port;
     int timeout;
@@ -13,7 +15,6 @@ typedef struct {
 } overture;
 
 overture* overture_init(int port);
-void overture_dump(overture *info);
-char* overture_gen_config(overture *info);
+process* overture_load(overture *info, const char *file);
 
 #endif

src/cleardns.c

@@ -62,10 +62,10 @@ int main(int argc, char *argv[]) { // ClearDNS server
     diverter->domestic_domain_file = "chinalist.txt";
     diverter->foreign_domain_file = "gfwlist.txt";
 
-    overture_dump(diverter);
-
-    char *config = overture_gen_config(diverter);
-    log_info("\n%s", config);
+    process *p = overture_load(diverter, "overture.json");
+    log_info("cmd -> %s", string_list_dump(p->cmd));
+    log_info("env -> %s", string_list_dump(p->env));
+    log_info("cwd -> %s", p->cwd);
 
 //    int debug_mode = 0;
 //    fprintf(stderr, "[ClearDNS] Server start.\n");

src/overture.c

@@ -1,11 +1,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include "overture.h"
+#include "process.h"
 #include "common.h"
 #include "logger.h"
 #include "cJSON.h"
 #include "str.h"
 
+void overture_dump(overture *info);
+char* overture_gen_config(overture *info);
+
 overture* overture_init(int port) { // init overture options
     overture *info = (overture*)malloc(sizeof(overture));
     info->port = port;
@@ -30,6 +34,23 @@ void overture_dump(overture *info) { // show overture info in debug log
     log_debug("Overture domestic domain file -> %s", info->domestic_domain_file);
 }
 
+process* overture_load(overture *info, const char *file) {
+    overture_dump(info);
+    char *config = overture_gen_config(info); // string config (JSON format)
+    char *config_file = string_join(WORK_DIR, file);
+    save_file(config_file, config);
+    free(config_file);
+    free(config);
+
+    process *p = (process*)malloc(sizeof(process));
+    p->cmd = string_list_append(string_list_init(), OVERTURE_BIN);
+    p->cmd = string_list_append(p->cmd, "-c");
+    p->cmd = string_list_append(p->cmd, file);
+    p->env = string_list_init();
+    p->cwd = WORK_DIR;
+    return p;
+}
+
 char* overture_gen_config(overture *info) { // generate json configure from overture options
     cJSON *config = cJSON_CreateObject();
     char port_str[12]; // 32-bits (MAX_LEN -> -2147483648 -> 12-bytes)