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apns_feedback.c
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apns_feedback.c
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#include <stdio.h>
#include <string.h>
#include <memory.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/select.h>
#include <sys/time.h>
#include "push.h"
#include "push_common.h"
#include "push_ssl_utils.h"
#include "apns_feedback.h"
#include "../../core/dprint.h"
#define CHECK_FEEDBACK_TIMEOUT 3600
static int waited_sleep(int sleep_sec, int fd);
static int handle_feedback_communication(PushServer* server, int comm_sock);
void run_feedback(PushServer* server, int comm_sock)
{
int ret;
do
{
if (-1 == establish_ssl_connection(server))
{
LM_ERR("Cannot establish connection to feedback server\n");
ret = waited_sleep(CHECK_FEEDBACK_TIMEOUT/2, comm_sock);
if (ret != 0)
{
break;
}
continue;
}
LM_DBG("Start feedback reader\n");
handle_feedback_communication(server, comm_sock);
//sleep
ret = waited_sleep(CHECK_FEEDBACK_TIMEOUT, comm_sock);
}
while(ret == 0);
LM_INFO("Feedback routine done\n");
destroy_push_server(server);
}
static int handle_feedback_communication(PushServer* server, int comm_sock)
{
int ret;
char message[FEEDBACK_MSG_LEN];
struct feedback data;
do
{
ret = extended_read(server, comm_sock, message, FEEDBACK_MSG_LEN);
switch(ret)
{
case COMM_SOCK_OP:
LM_INFO("Terminate feedback server, quit\n");
return -1;
case 0:
// no data
LM_WARN("Reset peer from feedback server, done\n");
return 0;
break;
case -1:
// error
LM_ERR("Got error on feedback server, return\n");
return -1;
default:
// print the message
break;
}
memcpy(message, &data.timestamp, sizeof(data.timestamp));
memcpy(message + sizeof(data.timestamp),
&data.token_len,
sizeof(data.token_len));
memcpy(message + sizeof(data.timestamp) + sizeof(data.token_len),
&data.token[0],
TOKEN_FEEDBACK_LEN);
LM_INFO("Feedback for request: request failed timestamp %ld, id [%32s]",
data.timestamp,
data.token);
}while(ret > 0);
return 1;
}
static int waited_sleep(int sleep_sec, int fd)
{
int err;
fd_set readfds;
struct timeval timeout;
char cmd;
// int mx;
timeout.tv_usec = 0;
timeout.tv_sec = sleep_sec;
FD_SET(fd, &readfds);
err = select(fd + 1, &readfds, 0, 0, &timeout);
switch(err)
{
case 0:
{
// No data, return
return 0;
}
case -1:
{
LM_ERR("Error (%d) occured in waited sleep, returns\n", errno);
return -1;
}
default:
break;
}
read(fd, &cmd, 1);
return COMM_SOCK_OP;
}