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samples: sockets: http_get: More configurability and logging #5981

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Feb 6, 2018
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samples: sockets: http_get: More configurability and logging #5981

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25 changes: 19 additions & 6 deletions samples/net/sockets/http_get/src/http_get.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,17 +22,25 @@

#endif

/* HTTP server to connect to */
#define HTTP_HOST "google.com"
/* Port to connect to, as string */
#define HTTP_PORT "80"
/* HTTP path to request */
#define HTTP_PATH "/"


#define SSTRLEN(s) (sizeof(s) - 1)
#define CHECK(r) { if (r == -1) { printf("Error: " #r "\n"); } }

#define REQUEST "GET / HTTP/1.0\r\n\r\n"
#define REQUEST "GET " HTTP_PATH " HTTP/1.0\r\n\r\n"

static char response[1024];

void dump_addrinfo(const struct addrinfo *ai)
{
printf("addrinfo @%p: fam=%d, socktype=%d, proto=%d, "
"addr_fam=%d, addr_port=%x\n",
printf("addrinfo @%p: ai_family=%d, ai_socktype=%d, ai_protocol=%d, "
"sa_family=%d, sin_port=%x\n",
ai, ai->ai_family, ai->ai_socktype, ai->ai_protocol,
ai->ai_addr->sa_family,
((struct sockaddr_in *)ai->ai_addr)->sin_port);
Expand All @@ -44,9 +52,12 @@ int main(void)
struct addrinfo *res;
int st, sock;

printf("Preparing HTTP GET request for http://" HTTP_HOST
":" HTTP_PORT HTTP_PATH "\n");

hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
st = getaddrinfo("google.com", "80", &hints, &res);
st = getaddrinfo(HTTP_HOST, HTTP_PORT, &hints, &res);
printf("getaddrinfo status: %d\n", st);

if (st != 0) {
Expand All @@ -68,7 +79,7 @@ int main(void)
CHECK(connect(sock, res->ai_addr, res->ai_addrlen));
send(sock, REQUEST, SSTRLEN(REQUEST), 0);

printf("Response:\n");
printf("Response:\n\n");

while (1) {
int len = recv(sock, response, sizeof(response) - 1, 0);
Expand All @@ -83,8 +94,10 @@ int main(void)
}

response[len] = 0;
printf("%s", response);
printf("%s\n", response);
}

close(sock);

return 0;
}