Files
@ ef37386d0c6f
Branch filter:
Location: CSY/reowolf/examples/interop_1_socket/main.c - annotation
ef37386d0c6f
1.3 KiB
text/x-csrc
Put expression types of procedures in type table
Before we annotated the AST. But that is silly in hindsight:
certain operations have a completely different meaning when applied
in a polymorphic context (i.e. the field index determined by a
select expression).
Before we annotated the AST. But that is silly in hindsight:
certain operations have a completely different meaning when applied
in a polymorphic context (i.e. the field index determined by a
select expression).
673882671c9a 673882671c9a 673882671c9a 673882671c9a 673882671c9a 8df425c3752e 8df425c3752e 8df425c3752e 8df425c3752e 90965e662451 a9fb2e3e41d9 a9fb2e3e41d9 a9fb2e3e41d9 8df425c3752e 90965e662451 90965e662451 90965e662451 90965e662451 90965e662451 90965e662451 a9fb2e3e41d9 8df425c3752e 8df425c3752e a9fb2e3e41d9 8df425c3752e a9fb2e3e41d9 8df425c3752e a9fb2e3e41d9 a9fb2e3e41d9 a9fb2e3e41d9 a9fb2e3e41d9 a9fb2e3e41d9 a9fb2e3e41d9 a9fb2e3e41d9 8df425c3752e | /* This example demonstrates:
- conventional UDP socket API can be used in a connection-oriented fashion
- first setup with `bind` and `connect`
- henceforth communicating with connected peer using `send` and `recv` in blocking mode.
*/
#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
#define BUFSIZE 512
int main() {
// --- 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 = 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]));
// --- communication ---
char * buffer = malloc(BUFSIZE);
size_t msglen, i;
msglen = recv(fd, (void *)buffer, BUFSIZE, 0);
for(i=0; i<msglen; i++) {
printf("%02X", buffer[i]);
}
// --- cleanup ---
close(fd);
free(buffer);
return 0;
}
|