#include "global.h"
#include "mqtt.h"
int
InitClient(void)
{
int sock;
sock = socket(args->addr.sa.sa_family, SOCK_STREAM, IPPROTO_TCP);
if (sock == -1) {
printf("Error:: socket() #%d - %s\n", errno, strerror(errno));
return -1;
}
if (connect(sock, &args->addr.sa, args->addr.sa.sa_len) == -1) {
printf("Error:: connect() #%d - %s\n", errno, strerror(errno));
return -1;
}
return sock;
}
int
try2Connect(int sock)
{
int siz = 0;
struct pollfd pfd;
printf("ka=%d\n", args->ka);
siz = mqtt_msgCONNECT(args->msg, AIT_GET_STR(&args->ConnID), args->ka,
AIT_GET_STR(&args->User), AIT_GET_STR(&args->Pass),
args->Will.Topic.val.string, args->Will.Msg.val.string,
!args->notClear, args->QoS, args->Retain);
if (siz == -1) {
printf("Error:: msgCONNECT #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
return -1;
}
siz = send(sock, args->msg->msg_base, siz, 0);
if (siz == -1) {
printf("Error:: send() #%d - %s\n", errno, strerror(errno));
return -1;
} else
VERB(3) printf("Sended CONNECT %d bytes\n", siz);
printf("ka=%d\n", args->ka);
pfd.fd = sock;
pfd.events = POLLIN;
switch (poll(&pfd, 1, args->ka * 1000)) {
case -1:
printf("Error:: poll() #%d - %s\n", errno, strerror(errno));
return -1;
case 0:
printf("ka=%d\n", args->ka);
VERB(3) printf("Timeout reached (%d) ...\n", args->ka * 1000);
return -1;
}
if (pfd.revents & (POLLERR | POLLHUP | POLLNVAL))
return -1;
siz = recv(sock, args->msg->msg_base, args->msg->msg_len, 0);
if (siz == -1) {
printf("Error:: recv() #%d - %s\n", errno, strerror(errno));
return -1;
} else
VERB(3) printf("Received %d bytes\n", siz);
return (u_char) mqtt_readCONNACK(args->msg);
}
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