CSY/reowolf Changeset - 90965e662451 · Centrum Wiskunde & Informatica (CWI)

Changeset - 90965e662451

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Christopher Esterhuyse - 5 years ago 2020-07-24 14:25:22
christopher.esterhuyse@gmail.com

concrete socket addresses

2 files changed with 34 insertions and 21 deletions:

examples/interop_pseudo_socket/main.c

examples/interop_socket/main.c

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examples/interop_pseudo_socket/main.c

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 #include <netinet/in.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <netinet/in.h> // definies socketaddr_in
 #include <stdio.h>  // defines printf
 #include <stdlib.h> // defines malloc, free
 #include <unistd.h> // defines close
 #include <arpa/inet.h> // defines inet_addr
 #include "../../pseudo_socket.h"
 #define BUFSIZE 512
 int main() {
   // --- setup ---
   struct sockaddr_in addrs[2];
   /* (address structure initializations omitted) */
   int fd = rw_socket(AF_INET, SOCK_DGRAM, 0);
   rw_bind(fd, (const struct sockaddr *)&addrs[0], sizeof(addrs[0]));
   rw_connect(fd, (const struct sockaddr *)&addrs[1], sizeof(addrs[1]));
   // --- communication ---
   char * buffer = malloc(BUFSIZE);
   size_t msglen, i;
   msglen = rw_recv(fd, (void *)buffer, BUFSIZE, 0);
   for(i=0; i<msglen; i++) {
     printf("%02X", buffer[i]);
+  }
   // --- cleanup ---
   rw_close(fd);
   free(buffer);
   return 0;
     // --- setup ---
     struct sockaddr_in addrs[2];
     addrs[0].sin_family = AF_INET;
     addrs[0].sin_port = htons(8000);
     inet_pton(AF_INET, "127.0.0.1", &addrs[0].sin_addr.s_addr);
     addrs[1].sin_family = AF_INET;
     addrs[1].sin_port = htons(8001);
     inet_pton(AF_INET, "127.0.0.1", &addrs[1].sin_addr.s_addr);
     int fd = rw_socket(AF_INET, SOCK_DGRAM, 0);
     rw_bind(fd, (const struct sockaddr *)&addrs[0], sizeof(addrs[0]));
     rw_connect(fd, (const struct sockaddr *)&addrs[1], sizeof(addrs[1]));
     // --- communication ---
     char * buffer = malloc(BUFSIZE);
     size_t msglen, i;
     msglen = rw_recv(fd, (void *)buffer, BUFSIZE, 0);
     for(i=0; i<msglen; i++) {
         printf("%02X", buffer[i]);
+    }
     // --- cleanup ---
     rw_close(fd);
     free(buffer);
     return 0;
+}

examples/interop_socket/main.c

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@@ @@ -2,11 +2,17 @@ @@
 #include <stdio.h>  // defines printf
 #include <stdlib.h> // defines malloc, free
 #include <unistd.h> // defines close
 #include <arpa/inet.h> // defines inet_addr
 #define BUFSIZE 512
 int main() {
     // --- setup ---
     struct sockaddr_in addrs[2];
     /* (address structure initializations omitted) */
     addrs[0].sin_family = AF_INET;
     addrs[0].sin_port = htons(8000);
     inet_pton(AF_INET, "127.0.0.1", &addrs[0].sin_addr.s_addr);
     addrs[1].sin_family = AF_INET;
     addrs[1].sin_port = htons(8001);
     inet_pton(AF_INET, "127.0.0.1", &addrs[1].sin_addr.s_addr);
     int fd = socket(AF_INET, SOCK_DGRAM, 0);
     bind(fd, (const struct sockaddr *)&addrs[0], sizeof(addrs[0]));
     connect(fd, (const struct sockaddr *)&addrs[1], sizeof(addrs[1]));

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