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IPv4: Last burst of TCP hacking for today.

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Connecting to a test server and exchanging data back and forth works.
This commit is contained in:
Andreas Kling 2019-03-14 01:42:29 +01:00
parent be46f1bb1f
commit 3d5296a901
3 changed files with 27 additions and 15 deletions
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13
Userland/tc.cpp
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@ -42,30 +42,37 @@ int main(int argc, char** argv)
return 1;
}
printf("Connecting to %s...", addr_str);
fflush(stdout);
rc = connect(fd, (struct sockaddr*)&dst_addr, sizeof(dst_addr));
if (rc < 0) {
perror("connect");
return 1;
}
printf("ok!\n");
char buffer[BUFSIZ];
const char* msg = "Test message!\n";
const char* msg = "I am a TCP client.";
printf("Sending a greeting...");
rc = send(fd, (const char*)msg, strlen(msg), 0);
if (rc < 0) {
perror("send");
return 1;
}
printf("Message sent.\n");
printf("ok!\n");
printf("Waiting for response...");
ssize_t nrecv = recv(fd, buffer, sizeof(buffer), 0);
if (nrecv < 0) {
perror("recvfrom");
return 1;
}
buffer[nrecv] = '\0';
printf("Server: %s\n", buffer);
printf("ok! Got response:\n");
printf("\033[36;1m%s\033[0m", buffer);
printf("(%d bytes received)\n", nrecv);
rc = close(fd);
if (rc < 0) {
perror("close");