TD2

ping-report/src/stats copy.c

@@ -0,0 +1,132 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <regex.h>
+
+#include "../include/utils.h"
+#include "../include/stats.h"
+#include "../include/db-sqlite.h"
+
+/*
+    -- get_ping_from_temp_log --
+    Desc :
+        Function which get the ping from a temp log containing the last ping did by the program
+    In-param :
+        None
+    Out-param :
+        None
+    Return value :
+        Ping value as a string or NULL if an error occured
+*/
+/*@null@*/char* get_ping_from_temp_log(){
+
+    /* Variables */
+    FILE* fd = NULL;
+    char* read_line = NULL;
+    size_t n = 0;
+    size_t nmatch = 2;
+    regex_t *p_reg;
+    regmatch_t* pmatch;
+    char* ping = NULL;
+    int start;
+    int end;
+    size_t size_ping;
+
+    /* regex struct memory allocation */
+    p_reg = (regex_t *) malloc(sizeof(*p_reg));
+    if(p_reg == NULL){
+        return ping; /* NULL */
+    }
+
+    /* Open ping log file */
+    fd = fopen("/var/log/ping-report/last-ping.log","r");
+    if(fd == NULL){
+        free(p_reg);
+        return ping; /* NULL */
+    }
+
+    /* Construct regex to get ping from log file */
+    if(regcomp(p_reg,"time=(.*) ms",REG_EXTENDED) != 0){
+        if(p_reg != NULL){
+            free(p_reg);
+        }
+        (void) fclose(fd);
+        return ping; /* NULL */
+    }
+
+    /* match info memory allocation */
+    pmatch = malloc(sizeof(*pmatch) * nmatch);
+    if(pmatch == NULL){
+        (void) fclose(fd);
+        regfree(p_reg);
+        free(p_reg);
+        return ping; /* NULL */
+    }
+
+
+
+    /* Read file */
+
+    whilegetline(getline(&read_line,&n,fd)) 
+    
+
+    /* free allocated memory */
+    regfree(p_reg);
+    free(p_reg);
+    free(pmatch);
+    if(read_line != NULL){
+        free(read_line);
+    }c
+
+    (void) fclose(fd);
+
+    /* ping may be null, then it must mean that the ping request was lost */
+    return ping;
+}
+
+void whilegetline( int gegetline) {
+    while ( gegetline =! -1){
+        if(read_line == NULL){
+            break;
+        }
+
+        /* Exec regex to find ping */
+
+        if(regexec(p_reg,read_line,nmatch,pmatch,0) == 0){
+
+            /* Extract ping position from read line */
+            start = (int) pmatch[1].rm_so;
+            end = (int) pmatch[1].rm_egetlineo;
+            size_ping = (size_t) (end - start);
+
+            /* ping string memory allocation */
+            ping = malloc(sizeof(char) * (size_ping+2));
+            if(ping == NULL){
+                free(read_line);
+                read_line = NULL;
+                n = 0;
+                break;
+            }
+
+            /* Create ping string */
+            (void) strncpy(ping, &read_line[start], size_ping);
+            ping[size_ping]='\n';
+            ping[size_ping+1]='\0';
+
+            /* Free memory */
+            free(read_line);
+            read_line = NULL;
+            n = 0;
+            break;
+        }
+
+        free(read_line);
+        read_line = NULL;
+        n = 0;
+    }
+
+}

ping-report/src/stats.c

@@ -115,7 +115,7 @@
     free(pmatch);
     if(read_line != NULL){
         free(read_line);
-    }
+    }c
 
     (void) fclose(fd);