Updated README, fixed bug in server.c constant declaration

Author: codepr

README.md

@@ -4,7 +4,7 @@ Sol
 Oversimplified MQTT broker written from scratch, which mimick mosquitto
 features. Implemented for learning how the protocol works, for now it supports
 almost all MQTT v3.1.1 commands on linux platform; it relies on EPOLL interface
-introduced on kernel 2.5.44.
+for multiplexing I/O. Development process is documented in this (series of posts)[https://codepr.github.io/posts/sol-mqtt-broker].
 
 ## Build
 

src/list.c

@@ -329,8 +329,8 @@ struct list_node *list_merge_sort(struct list_node *head, cmp cmp_func) {
 }
 
 /* Insert a new list node in a list maintaining the order of the list */
-struct list_node *list_sort_inset(struct list_node **head,
-                                  struct list_node *new, cmp cmp_func) {
+struct list_node *list_sort_insert(struct list_node **head,
+                                   struct list_node *new, cmp cmp_func) {
 
     if (!*head || cmp_func(*head, new) >= 0) {
         new->next = *head;

src/list.h

@@ -96,8 +96,8 @@ struct list_node *list_merge_sort(struct list_node *, cmp);
 struct list_node *bisect_list(struct list_node *);
 
 /* Insert a new node into a list while maintaining the order of the elements */
-struct list_node *list_sort_inset(struct list_node **,
-                                  struct list_node *, compare_func);
+struct list_node *list_sort_insert(struct list_node **,
+                                   struct list_node *, compare_func);
 
 
 #endif

src/mqtt.c

@@ -28,6 +28,7 @@
 #include <string.h>
 #include <arpa/inet.h>
 #include "util.h"
+#include "pack.h"
 #include "mqtt.h"
 
 

src/mqtt.h

@@ -25,11 +25,11 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "pack.h"
-
 #ifndef MQTT_H
 #define MQTT_H
 
+#include <stdio.h>
+
 
 #define MQTT_HEADER_LEN 2
 #define MQTT_ACK_LEN    4

src/server.c

@@ -57,7 +57,8 @@ static struct sol sol;
  * Statistics topics, published every N seconds defined by configuration
  * interval
  */
-static const int SYS_TOPICS = 14;
+#define SYS_TOPICS 14
+
 static const char *sys_topics[SYS_TOPICS] = {
     "$SOL/",
     "$SOL/broker/",

src/server.h

@@ -60,8 +60,6 @@ struct sol_info {
     int nconnections;
     /* Timestamp of the start time */
     long long start_time;
-    /* Total number of requests served */
-    int nrequests;
     /* Total number of bytes received */
     long long bytes_recv;
     /* Total number of bytes sent out */