static int cpReactor_client_receive(int fd)
{
int event_size = sizeof (cpTcpEvent), n, ret = -1;
char data[event_size];
//非ET模式会持续通知
n = cpNetRead(fd, data, event_size);
if (n > 0)
{
cpTcpEvent *event = (cpTcpEvent*) data;
switch (event->type)
{
case CP_TCPEVENT_ADD:
ret = kill(CPGS->manager_pid, SIGRTMIN);
if (ret < 0)
{//TODO
cpLog("send sig error. Error: %s [%d]", strerror(errno), errno);
}
break;
case CP_TCPEVENT_GETFD:
{
cpMasterInfo info;
info.server_fd = fd;
CPGS->conlist[fd].fpm_pid = event->data;
ret = cpWrite(fd, &info, sizeof (info));
break;
}
default:
cpLog("wrong type");
break;
}
return ret;
}
else if (n == 0)
{
close_fd:
return cpReactor_client_close(fd);
}
else
{//需要检测errno来区分是EAGAIN还是ECONNRESET
if (errno == EAGAIN)
{
return SUCCESS;
}
else if (errno == ECONNRESET)
{
goto close_fd;
}
else
{
cpLog("Read from socket[%d] fail. Error: %s [%d]", fd, strerror(errno), errno);
return SUCCESS;
}
}
return SUCCESS;
}
int cpClient_recv(int sock, void *data, int len, int waitall)
{
// int flag = 0, ret;
// if (waitall == 1) {
// flag = MSG_WAITALL;
// }
//
// ret = recv(cli->sock, data, len, flag);
//
// if (ret < 0) {
// if (errno == EINTR) {
// ret = recv(cli->sock, data, len, flag);
// } else {
// return SUCCESS;
// }
// }
return cpNetRead(sock, data, len);
}
static int cpReactor_client_receive(int fd)
{
int n;
int event_size = sizeof (cpTcpEvent);
char data[event_size];
//非ET模式会持续通知
n = cpNetRead(fd, data, event_size);
cpConnection *conn = &(CPGS->conlist[fd]);
if (n > 0)
{
cpTcpEvent *event = (cpTcpEvent*) data;
// cpLog("evetn %d con %d",event->type,conn->release);
if (event->type == CP_TCPEVENT_GET && conn->release == CP_FD_NRELEASED)
{//动作是获得连接但是状态是未释放，父进程连的然后在子进程和父进程中都用这个连接，会出现这种情况
cpMasterInfo info = {0};
int sizeinfo = sizeof (info);
info.worker_id = -1; //define it
return cpWrite(fd, &info, sizeinfo);
}
if (event->type == CP_TCPEVENT_RELEASE)
{
return cpReactor_client_release(fd);
}
if (conn->release == CP_FD_RELEASED)
{//之前释放了,或者刚进来的连接,需要争抢(这个状态不需要加锁,每个con的fd只分配给一个线程)
cpTryGetWorkerId(conn, data, fd, n);
if (conn->release == CP_FD_WAITING)
{
return 1;
}
if (conn->release == CP_FD_RELEASED)
{//争抢失败,fork失败
char tmp[sizeof (CP_TOO_MANY_CON_ERR) + sizeof (CP_CLIENT_EOF_STR)] = {CP_TOO_MANY_CON_ERR};
strcat(tmp, CP_CLIENT_EOF_STR);
return cpWrite(fd, tmp, strlen(tmp));
}
}
return MasterSend2Client(fd, conn->worker_id, event->ClientPid);
}
else if (n == 0)
{
close_fd:
return cpReactor_client_close(fd);
}
else
{//需要检测errno来区分是EAGAIN还是ECONNRESET
if (errno == EAGAIN)
{
return SUCCESS;
}
else if (errno == ECONNRESET)
{
goto close_fd;
}
else
{
cpLog("Read from socket[%d] fail. Error: %s [%d]", fd, strerror(errno), errno);
return SUCCESS;
}
}
return SUCCESS;
}
