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[l2tpns.git] / test / generateload.c

diff --git a/test/generateload.c b/test/generateload.c
index 5119920..b671b4f 100644 (file)
--- a/test/generateload.c
+++ b/test/generateload.c
@@ -1,3 +1,9 @@
+#define _POSIX_C_SOURCE 200112L
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#define __USE_XOPEN_EXTENDED
+#define __USE_MISC
 #include <arpa/inet.h>
 #include <time.h>
 #include <errno.h>
@@ -6,11 +12,8 @@
 #include <netdb.h>
 #include <netinet/in.h>
 #include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
-#include <sys/types.h>
 #include <linux/ip.h>
 #include <linux/udp.h>
 #include <unistd.h>
@@ -179,10 +182,10 @@ typedef struct
 } control_message;
 
 typedef struct {
-unsigned long long send_count , recv_count ;
-unsigned long long spkt , rpkt ;
-unsigned int dropped;
-unsigned long sbytes , rbytes ;
+long long send_count, recv_count;
+long long spkt, rpkt ;
+int dropped;
+long sbytes, rbytes ;
 int quitit;
 struct sessiont
 {
@@ -210,7 +213,7 @@ void dump_control_message(control_message *c);
 u32 avp_get_32(control_message *c, int id);
 u16 avp_get_16(control_message *c, int id);
 char *avp_get_s(control_message *c, int id);
-void reader_thread(int udpfd);
+void reader_thread(void);
 void skip_zlb();
 void cm_free(control_message *m);
 controlt *ppp_new(u16 session, int protocol);
@@ -234,7 +237,7 @@ void print_report();
 int ns = 0, nr = 0;
 int udpfd;
 int t = 0;
-struct sockaddr_in gatewayaddr = {0};
+struct sockaddr_in gatewayaddr;
 int numsessions = NUM_SESSIONS;
 int packet_length = PACKET_LENGTH;
 int target_pps = TARGET_PPS;
@@ -251,7 +254,7 @@ char *suffix = "@optusnet.com.au";
 int main(int argc, char *argv[])
 {
        int s;
-       char *packet;
+       unsigned char *packet;
 
        ss = (sharedt*) mmap(NULL, sizeof(*ss), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0);
 
@@ -284,7 +287,7 @@ int main(int argc, char *argv[])
                                break;
                        case 'm' :
                                max_packets = atoi(optarg);
-                               if (packet_length < 64)
+                               if (max_packets < 50)
                                {
                                        printf("You must send at least 50 packets.\n");
                                        return -1;
@@ -377,6 +380,7 @@ int main(int argc, char *argv[])
                printf("Bound to port %d\n", htons(addr.sin_port));
        }/*}}}*/
 
+       memset(&gatewayaddr, 0, sizeof(gatewayaddr));
        gatewayaddr.sin_family = AF_INET;
        gatewayaddr.sin_port = htons(1701);
        inet_aton(gwaddr, &gatewayaddr.sin_addr);
@@ -400,7 +404,8 @@ int main(int argc, char *argv[])
                // Receive reply/*{{{*/
                {
                        struct sockaddr_in addr;
-                       int alen = sizeof(addr), l;
+                       int l;
+                       socklen_t alen = sizeof(addr);
 
                        l = recvfrom(udpfd, packet, 4096, 0, (void *) &addr, &alen);
                        if (l < 0)
@@ -409,7 +414,7 @@ int main(int argc, char *argv[])
                                return -1;
                        }
                        printf("Received ");
-                       r = parsecontrol(packet, l);
+                       r = parsecontrol((char *) packet, l);
                        if (!r->first)
                        {
                                printf("Invalid packet.. no first avp\n");
@@ -446,7 +451,7 @@ int main(int argc, char *argv[])
        printf("All session create requests sent...\n");/*}}}*/
 
        if ( fork() == 0) {
-               reader_thread(udpfd);
+               reader_thread();
                exit(0);
        }
 
@@ -529,7 +534,7 @@ int main(int argc, char *argv[])
                                *(u16 *)(c->buf + 4) = htons(ss->sessions[i].remote_session); // Session ID
                                iph->saddr = ss->sessions[i].addr;
                                iph->check = 0;
-                               iph->check = ntohs(checksum((char *)iph, sizeof(struct iphdr)));
+                               iph->check = ntohs(checksum((unsigned char *)iph, sizeof(struct iphdr)));
 
                                *((unsigned int *) data) = seq++;
                                ppp_send(c);
@@ -546,7 +551,8 @@ int main(int argc, char *argv[])
                                        nanosleep(&req, NULL);
                                }
 
-                               if (max_packets && ss->send_count >= max_packets) ss->quitit++;
+                               if (max_packets && ss->send_count >= max_packets)
+                                       ss->quitit++;
                        }
                }
 
@@ -602,22 +608,24 @@ void clean_shutdown()/*{{{*/
        }
 }/*}}}*/
 
-void sigint(int signal)
+void sigint(int unused __attribute__ ((unused)))
 {
        ss->quitit++;
 }
 
-void sigalarm(int junk)
+void sigalarm(int unused __attribute__ ((unused)))
 {
        static unsigned long long last_rpkts[AVG_SIZE], last_spkts[AVG_SIZE];
        static int last = 0, avg_count = 0;
-       register unsigned int avg_s = 0, avg_r = 0, i;
+       unsigned int avg_s = 0, avg_r = 0;
+       int i;
        float loss;
 
        last_rpkts[last] = ss->rpkt;
        last_spkts[last] = ss->spkt;
        last = (last + 1) % AVG_SIZE;
-       if (avg_count < AVG_SIZE) avg_count++;
+       if (avg_count < AVG_SIZE)
+               avg_count++;
 
        for (i = 0; i < avg_count; i++)
        {
@@ -645,14 +653,14 @@ __u16 checksum(unsigned char *addr, int count)
 
        for (; count > 1; count -= 2)
        {
-               sum += ntohs(*(u32 *)addr);
+               sum += ntohs(*(u16 *)addr);
                addr += 2;
        }
 
-       if (count > 1) sum += *(unsigned char *)addr;
+       if (count > 0) sum += *(unsigned char *)addr;
 
        // take only 16 bits out of the 32 bit sum and add up the carries
-       while (sum >> 16)
+       if (sum >> 16)
                sum = (sum & 0xFFFF) + (sum >> 16);
 
        // one's complement the result
@@ -867,7 +875,7 @@ void cm_free(control_message *m)
 
 // }}}
 
-void reader_thread(int updfd)/*{{{*/
+void reader_thread()/*{{{*/
 {
        unsigned char *packet;
        unsigned int seq = 0;
@@ -877,7 +885,7 @@ void reader_thread(int updfd)/*{{{*/
        while (!ss->quitit)
        {
                struct sockaddr_in addr;
-               int alen = sizeof(addr);
+               socklen_t alen = sizeof(addr);
                control_message *m;
                int l;
                int s;
@@ -906,7 +914,7 @@ void reader_thread(int updfd)/*{{{*/
                {
                        // Control Packet
                        printf("Reader Received ");
-                       m = parsecontrol(packet, l);
+                       m = parsecontrol((char *) packet, l);
                        printf("\n");
                        s = m->session;
 
@@ -975,7 +983,7 @@ void reader_thread(int updfd)/*{{{*/
                        if (protocol != PPPIP)
                        {
                                printf("Received ");
-                               dump_ppp_packet(packet + 6, l - 6);
+                               dump_ppp_packet((char *) (packet + 6), l - 6);
                        }
 
                        if (protocol == PPPLCP)
@@ -1023,9 +1031,9 @@ void reader_thread(int updfd)/*{{{*/
                                                controlfree(r);
                                                break;
                                        case CONFNAK :
-                                               // Ack whatever address we are given - it's ours
-                                               r = ppp_ipcp(s, CONFACK, time(NULL) % 255);
-                                               ppp_lcp_add_option(r, 3, 4, address); // Request 0.0.0.0
+                                               // Request whatever address we are given - it's ours
+                                               r = ppp_ipcp(s, CONFREQ, time(NULL) % 255);
+                                               ppp_lcp_add_option(r, 3, 4, address);
                                                ppp_send(r);
                                                controlfree(r);
                                                printf("Session %d: %s\n", s, inet_toa(address));
@@ -1073,13 +1081,13 @@ void reader_thread(int updfd)/*{{{*/
 
                                if (iph->protocol == 17)
                                {
-                                       int iseq;
+                                       unsigned int iseq;
                                        ss->recv_count++;
                                        ss->rpkt++;
                                        iseq = *((unsigned int *) data);
-                                       if (seq != iseq) {
+                                       if (seq != iseq)
                                                ss->dropped += (iseq - seq) ;
-                                       }
+
                                        seq = iseq + 1; // Next sequence number to expect.
                                }
                        }
@@ -1095,7 +1103,7 @@ void reader_thread(int updfd)/*{{{*/
 void skip_zlb() /*{{{*/
 {
        struct sockaddr_in addr;
-       int alen = sizeof(addr);
+       socklen_t alen = sizeof(addr);
        char buf[1024];
        int l;
        l = recvfrom(udpfd, buf, 1024, MSG_PEEK, (void *) &addr, &alen);