Restserver update

RestServer/main.c

@@ -1,3 +1,97 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
+
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#define U_DISABLE_CURL
+#define U_DISABLE_WEBSOCKET
+#include <ulfius.h>
+
+#define PORT 8080
+#define PREFIX "/test"
+
+int callback_welcome (const struct _u_request * request, struct _u_response * response, void * user_data) {
+    ulfius_set_string_body_response(response, 200, "Welcome to the HumidityPi rest service!");
+    return U_CALLBACK_CONTINUE;
+}
+
+
+char * print_map(const struct _u_map * map) {
+  char * line, * to_return = NULL;
+  const char **keys, * value;
+  int len, i;
+  if (map != NULL) {
+    keys = u_map_enum_keys(map);
+    for (i=0; keys[i] != NULL; i++) {
+      value = u_map_get(map, keys[i]);
+      len = snprintf(NULL, 0, "key is %s, value is %s", keys[i], value);
+      line = o_malloc((len+1)*sizeof(char));
+      snprintf(line, (len+1), "key is %s, value is %s", keys[i], value);
+      if (to_return != NULL) {
+        len = strlen(to_return) + strlen(line) + 1;
+        to_return = o_realloc(to_return, (len+1)*sizeof(char));
+        if (strlen(to_return) > 0) {
+          strcat(to_return, "\n");
+        }
+      } else {
+        to_return = o_malloc((strlen(line) + 1)*sizeof(char));
+        to_return[0] = 0;
+      }
+      strcat(to_return, line);
+      o_free(line);
+    }
+    return to_return;
+  } else {
+    return NULL;
+  }
+}
+
+int callback_post_test (const struct _u_request * request, struct _u_response * response, void * user_data) {
+  char * post_params = print_map(request->map_post_body);
+  char * response_body = msprintf("Hello World!\n%s", post_params);
+  ulfius_set_string_body_response(response, 200, response_body);
+  o_free(response_body);
+  o_free(post_params);
+  return U_CALLBACK_CONTINUE;
+}
+
+
+
+int main(void) {
+    
+    struct _u_instance instance;
+    
+    // Initialize instance with the port number
+    if (ulfius_init_instance(&instance, PORT, NULL, NULL) != U_OK) {
+        fprintf(stderr, "Error ulfius_init_instance, abort\n");
+        return(1);
+    }
+    
+     instance.max_post_body_size = 1024;
+    
+    // Endpoint list declaration
+    ulfius_add_endpoint_by_val(&instance, "GET", "/welcome", NULL, 0, &callback_welcome, NULL);
+    ulfius_add_endpoint_by_val(&instance, "POST", "/test", NULL, 0, &callback_post_test, NULL);
+    
+    // Start the framework
+    if (ulfius_start_framework(&instance) == U_OK) {
+        printf("Start framework on port %d\n", instance.port);
+        
+        // Wait for the user to press <enter> on the console to quit the application
+        getchar();
+    } else {
+        fprintf(stderr, "Error starting framework\n");
+    }
+    printf("End framework\n");
+    
+    ulfius_stop_framework(&instance);
+    ulfius_clean_instance(&instance);
+    
+    return 0;
+    
+}