void
http_accept_request_socket(http_conf_t * conf, int fd) {
int confd ;
struct sockaddr addr;
struct sockaddr_in addrIn;
socklen_t addLen = sizeof(struct sockaddr );
while( (confd = accept(fd, &addr, &addLen)) && confd > 0) {
pool_t *p = (pool_t *)pool_create();
http_connect_t * con;
epoll_extra_data_t *data_ptr;
addrIn = *((struct sockaddr_in *) &addr);
data_ptr = (epoll_extra_data_t *)palloc(p, sizeof(epoll_extra_data_t));
con = (http_connect_t *) palloc(p, sizeof(http_connect_t));//换成初始化函数，
con->p= p;
con->fd = confd;
con->in = (request *)request_init(p);
con->out = (response *)response_init(p);
/*char *ip = NULL;
if(addrIn.sin_addr.s_addr) {
ip = inet_ntoa(addrIn.sin_addr);
}
if(ip) {
//con->in->clientIp = (string *) string_init_from_str(p, ip, strlen(ip));
}*/
con->next_handle = accept_handler;
data_ptr->type = SOCKFD;
data_ptr->ptr = (void *) con;
epoll_add_fd(conf->epfd, confd, EPOLL_R, (void *)data_ptr);//对epoll data结构指向的结构体重新封装，分websit
//data struct , connect data struct , file data struct ,
}
}
static gint
collect_success(VmonRequest *req)
{
int j = 0;
VmonResponse res;
response_init(&res);
VmChecks checks;
checks.disk_usage_perc = req->ctx->conf.disk_usage_perc;
for (j = 0; j < req->records_num; j++) {
VmInfo vm;
vminfo_init(&vm);
vminfo_parse(&vm, req->records[j]); /* FIXME */
response_open(&res);
vminfo_send_events(&vm, &checks, res.out);
if (!req->ctx->conf.events_only) {
response_begin(&res, req->sr.uuid);
vminfo_print_json(&vm, res.out);
response_finish(&res);
}
response_close(&res, req->ctx->out);
vminfo_free(&vm);
}
virDomainStatsRecordListFree(req->records);
return 0;
}
void make_service(uint8_t symbol){
if(symbol == EdConf.clean_char_symb){
if(resp_ptr > 0){
cursor_shift(LEFT);
lcd_putc(' ');
cursor_shift(LEFT);
if(btn_old && !is_service_symbol(symbol))return; //if btn not pushed in response yet
response_rm_char();
}
if(resp_ptr >= disp_line_length){
lcd_init_first();
for(uint8_t i=(resp_ptr-disp_line_length); i<resp_ptr; i++){
lcd_putc(response[i]);
}
}
exit_status=ExitContinue;
}
if(symbol == EdConf.exit_symb_ok){
turn_off_cursor();
response_push('\0');
exit_status=ExitOk;
}
if(symbol == EdConf.exit_symb_discard){
turn_off_cursor();
response_init(EdConf.old_response, EdConf.resp_size);
exit_status=ExitDiscard;
}
}
void init_editor(EditorConf config){
press_counter=0;
resp_ptr=0;
btn_old=0;
duration_old=0;
timer_id=0;
exit_status=ExitContinue;
EdConf = config;
lcd_init_first();
turn_on_cursor();
response_init(EdConf.old_response, EdConf.resp_size);
lcd_init_resp(EdConf.old_response);
}
int accept_handler(http_conf_t *conf, http_connect_t *con, struct epoll_event *ev)
{
con->in = (request *)request_init(con->p);
if(read_header(con) == 0) {
if(con->in->header == NULL
|| con->in->header->used <= 0) {
send_bad_request(con->fd);
epoll_del_fd(conf->epfd, ev);
close(con->fd);
pool_destroy(con->p);
return -1;
}
parse_header(con);
//list_buffer_to_lower(con->in->header);
con->next_handle = authorized_handle;
virtual_port_match(conf, con);
epoll_edit_fd(conf->epfd, ev, EPOLL_W);
/*是否需要登录
*提交方式
*主页匹配
*压缩
*发送数据
*/
//http_connect_t *con;
//con = ev[count].data.ptr;
con->out = (response *)response_init(con->p);
while(con->next_handle != NULL && con->next_handle(conf, con) == 0){
}
epoll_del_fd(conf->epfd, ev);
}
return 0;
}
void run (int worker_id, int sock_fd, struct sockaddr addr, socklen_t addr_len) {
headers_parse (sock_fd);
if (headers_is_error (headers_get_state ()) || !headers_has_request()) {
goto hangup;
}
char *name = get_request (1);
char *strip = name;
char response_buffer[255];
while (*strip == '.' || *strip == '/') strip++;
if (!*strip) {
fprintf (stderr, "%s: No such file or directory\n", name);
goto _404;
}
int len = strlen (strip);
int file_fd;
char *file = malloc (2 + len + 1);
file[0] = '.';
file[1] = '/';
memcpy (file + 2, strip, len);
file[len + 2] = 0;
file_fd = open (file, O_RDONLY);
free (file);
struct stat info;
if (file_fd == -1 || fstat (file_fd, &info)) {
if (file_fd > 0) {
close (file_fd);
}
file_fd = 0;
perror (name);
goto _404;
}
response_init (200);
char content_length[25];
sprintf (content_length, "%d", info.st_size);
response_add ("Content-Length", content_length);
if (write_headers (sock_fd)) {
close (file_fd);
goto _404;
}
len = read (file_fd, response_buffer, 255);
while (len > 0) {
if (write (sock_fd, response_buffer, len) < 0) {
perror ("write");
break;
}
len = read (file_fd, response_buffer, 255);
}
if (file_fd > 0) {
close (file_fd);
}
goto hangup;
_404:
response_init (404);
write_headers (sock_fd);
snprintf (response_buffer, 255, "File not found: '%s'\n", name);
if (write (sock_fd, response_buffer, strlen (response_buffer)) < 0) {
goto hangup;
}
goto hangup;
hangup:
headers_cleanup ();
hangup (sock_fd);
}
int start_accept(http_conf *g)
{
int count;
int confd ;
struct epoll_event ev[MAX_EVENT];
struct epoll_event *evfd ;
epoll_extra_data_t *epoll_data;
struct sockaddr addr;
struct sockaddr_in addrIn;
socklen_t addLen = sizeof(struct sockaddr );
start_web_server(g);
printf("--------------- start server\n--------------");
while(1){
count = epoll_wait(g->epfd, ev, MAX_EVENT, -1);
evfd = ev;
while( (confd = accept(g->fd, &addr, &addLen)) && confd > 0) {
pool_t *p = (pool_t *)pool_create();
http_connect_t * con;
epoll_extra_data_t *data_ptr;
addrIn = *((struct sockaddr_in *) &addr);
data_ptr = (epoll_extra_data_t *)palloc(p, sizeof(epoll_extra_data_t));
con = (http_connect_t *) palloc(p, sizeof(http_connect_t));//换成初始化函数，
con->p= p;
con->fd = confd;
con->in = (request *)request_init(p);
con->out = (response *)response_init(p);
char *ip = NULL;
if(addrIn.sin_addr.s_addr) {
ip = inet_ntoa(addrIn.sin_addr);
}
if(ip) {
con->in->clientIp = (string *) string_init_from_str(p, ip, strlen(ip));
}
con->next_handle = accept_handler;
data_ptr->type = SOCKFD;
data_ptr->ptr = (void *) con;
epoll_add_fd(g->epfd, confd, EPOLL_R, (void *)data_ptr);//对epoll data结构指向的结构体重新封装，分websit
//data struct , connect data struct , file data struct ,
}
while((evfd->events & EPOLLIN)){
if((evfd->events & EPOLLIN)) {
http_connect_t * con;
epoll_data = (epoll_data_t *)evfd->data.ptr;
con = (http_connect_t *) epoll_data->ptr;
switch(epoll_data->type) {
case SOCKFD:
if(con->in == NULL) {
//accept_handler(g, con, evfd);
epoll_edit_fd(g->epfd, evfd, EPOLL_W);
//epoll_del_fd(g->epfd, evfd);
}
while(con->next_handle != NULL) {
int ret = con->next_handle(con);
if(ret == -1) {
con->next_handle = NULL;
epoll_del_fd(g->epfd, evfd);
close(con->fd);
ds_log(con, " [END] ", LOG_LEVEL_DEFAULT);
pool_destroy(con->p);
}else if(ret == 1) {
break;
}
/*if(con->next_handle(con) == -1) {
epoll_del_fd(g->epfd, evfd);
close(con->fd);
pool_destroy(con->p);
}*/
}
break;
case CGIFD: {
epoll_cgi_t *cgi = (epoll_cgi_t *)epoll_data->ptr;
break;
}
}
}
else if(evfd->events & EPOLLOUT) {
}
evfd++;
}
}
}
int main(int argc, char**argv){
//log files
logs = fopen("/var/log/weperf/sensor/sensor.log", "a+");
int clientSocket;
char buffer[1024];
char recv_buff[1024];
char send_buff[1024];
struct sockaddr_in serverAddr;
socklen_t addr_size;
//parse configurations from file
if (ini_parse("/etc/weperf/sensor-config.ini", handler, &config) < 0) {
client_log("Error", "Can't load 'config.ini'\n");
return 1;
}
//casue zombies to be reaped automatically
if (signal(SIGCHLD, SIG_IGN) == SIG_ERR) {
perror(0);
exit(1);
}
/*---- Create the socket. The three arguments are: ----*/
/* 1) Internet domain 2) Stream socket 3) Default protocol (TCP in this case) */
clientSocket = socket(PF_INET, SOCK_STREAM, 0);
/*---- Configure settings of the server address struct ----*/
/* Address family = Internet */
serverAddr.sin_family = AF_INET;
/* Set port number, using htons function to use proper byte order */
serverAddr.sin_port = htons(config.server_port);
/* Set IP address to localhost */
serverAddr.sin_addr.s_addr = inet_addr(config.server_addr);
/* Set all bits of the padding field to 0 */
memset(serverAddr.sin_zero, '\0', sizeof serverAddr.sin_zero);
/*---- Connect the socket to the server using the address struct ----*/
addr_size = sizeof serverAddr;
if(connect(clientSocket, (struct sockaddr *) &serverAddr, addr_size)){
client_log("Error", "Connecting to server - %s", strerror(errno));
return 0;
}
client_log("Info", "Connected to server");
//get IP of interface - add interface to config file
struct ifreq ifr;
strncpy(ifr.ifr_name, config.interface, IFNAMSIZ-1);
ioctl(clientSocket, SIOCGIFADDR, &ifr);
struct in_addr local_ip = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
printf("Local IP %s\n", inet_ntoa(local_ip));
//timeout
struct timeval tv;
int bytes = 1;
//receive loop
while(bytes){
FILE *fp;
fd_set rfds;
FD_ZERO(&rfds);
FD_SET (clientSocket, &rfds);
tv.tv_sec = 60;
tv.tv_usec = 0;
int ready = select(clientSocket + 1, &rfds, NULL, NULL, &tv);
if(ready == -1 ){
}else if(ready){
bytes = recv(clientSocket, recv_buff, sizeof(recv_buff),0);
struct srrp_request * request = (struct srrp_request *) recv_buff;
if(request->type == SRRP_HB){
//heatbeat request
printf("Received hb request - %d bytes\n", bytes);
//build response
response_init((struct srrp_response *) send_buff, request->type, SRRP_SCES, request->dst_id, request->m_id);
send(clientSocket, send_buff, response_size((struct srrp_response *) send_buff), 0);
}else if(request->type == SRRP_ETHER){
//ethernet request
printf("Received ether request - %d bytes\n", bytes);
//build response
response_init((struct srrp_response *) send_buff, request->type, SRRP_SCES, request->dst_id, request->m_id);
//bit of a hack to break from srrp to send MAC address
memcpy(&((struct srrp_response *)send_buff)->results[0], config.ether, strlen(config.ether) + 1);
//also for the ip
memcpy(&((struct srrp_response *)send_buff)->results[3], &local_ip, sizeof(local_ip));
send(clientSocket, send_buff, response_size((struct srrp_response *) send_buff) /*header*/ + 100 /*mac*/ + sizeof(local_ip) /*ip*/, 0);
}else if(request->type == SRRP_BW){
client_log("Info", "Recevived iperf request - %d bytes", bytes);
if(fork() == 0){
//listen for SIGCHLD so pclose resturns the status
signal(SIGCHLD, SIG_DFL);
char * cmd_fmt = "iperf -c %s -p %d -t %d -y C";
char cmd[100];
//default params
int dur = 10;
//get parameters
int i;
for(i = 0; i < request->length; i++){
if(request->params[i].param == SRRP_DUR){
dur = request->params[i].value;
}else{
client_log("Error", "Invalid iperf parameter");
}
}
//build command
sprintf(cmd, cmd_fmt, inet_ntoa(request->dst_ip), config.tcp_iperf_port, dur);
printf("%s\n", cmd);
fp = popen(cmd, "r");
if(fp == NULL){
client_log("Error", "Failed to run command '%s'", cmd);
_exit(1);
}
//get otuput - single line because of -y C flage
char result[100];
while(fgets(result, sizeof(result)-1, fp) != NULL){}
int exit_status = pclose(fp);
if(exit_status != 0){
client_log("Error", "iperf failed exit status %d", exit_status);
//should send resonpse with failed success code
_exit(1);
}else{
//build response
if(parse_iperf(request->type, request->dst_id, request->m_id, (struct srrp_response *) send_buff, result)){
client_log("Error", "Failed to parse iperf response");
_exit(0);
}
client_log("Info", "Sending iperf results");
send(clientSocket, send_buff, response_size((struct srrp_response *) send_buff), 0);
}
_exit(0);
}
}else if(request->type == SRRP_RTT){
client_log("Info", "Received ping request - %d bytes", bytes);
if(fork() == 0){
//listen for SIGCHLD so pclose resturns the status
signal(SIGCHLD, SIG_DFL);
char * command_fmt = "ping -c %d %s";
char command[100];
//default params
int itterations = 5;
//load in params
int i;
for(i = 0; i < request->length; i++){
if(request->params[i].param == SRRP_ITTR){
itterations = request->params[i].value;
}else{
client_log("Error", "Invalid ping parameter");
}
}
//build command
sprintf(command, command_fmt, itterations, inet_ntoa(request->dst_ip));
printf("%s\n", command);
fp = popen(command , "r");
if(fp == NULL){
client_log("Error", "Failed to run command %s", command);
_exit(1);
}
//get otuput - single line because of -y C flage
char result[100];
while(fgets(result, sizeof(result)-1, fp) != NULL){}
int exit_status = pclose(fp);
if(exit_status != 0){
client_log("Error", "command failed exit status %d", exit_status);
//should respond
}else{
if(parse_ping(request->type, request->dst_id, request->m_id, (struct srrp_response *) send_buff, result)){
client_log("Error", "Failed to parse ping response");
_exit(0);
}
send(clientSocket, send_buff, response_size((struct srrp_response *) send_buff), 0);
_exit(0);
}
}
}else if(request->type == SRRP_UDP){
client_log("Info", "Received UDP iperf request - %d bytes", bytes);
if(fork() == 0){
//listen for SIGCHLD so pclose resturns the status
signal(SIGCHLD, SIG_DFL);
char * cmd_fmt = "iperf -c %s -u -p %d -b %dK -l %d -t %d -S %d -y C";
char cmd[100];
//default params
int speed = 1;
int size = 1470;
int duration = 10;
int dscp = 0;
//load in params
int i;
for(i = 0; i < request->length; i++){
if(request->params[i].param == SRRP_SPEED){
speed = request->params[i].value;
}else if(request->params[i].param == SRRP_SIZE){
size = request->params[i].value;
}else if(request->params[i].param == SRRP_DUR){
duration = request->params[i].value;
}else if(request->params[i].param == SRRP_DSCP){
dscp = request->params[i].value;
}else{
client_log("Error", "Invalid udp parameter");
}
}
sprintf(cmd, cmd_fmt, inet_ntoa(request->dst_ip), config.udp_iperf_port, speed, size, duration, dscp);
printf("%s\n", cmd);
fp = popen(cmd , "r");
if(fp == NULL){
client_log("Error", "Failed to run command %s", cmd);
_exit(1);
}
//get otuput - single line because of -y C flage
char result[200];
while(fgets(result, sizeof(result)-1, fp) != NULL)
printf("%s\n", result);
int exit_status = pclose(fp);
if(exit_status != 0){
client_log("Error", "udp iperf failed exit status %d", exit_status);
//should send resonpse with failed success code
//parse_failure()
_exit(1);
}else{
if(parse_udp(request->type, request->dst_id, request->m_id, (struct srrp_response *) send_buff, result, speed, dscp)){
client_log("Error", "Failed to parse udp response");
_exit(0);
}
send(clientSocket, send_buff, response_size((struct srrp_response *) send_buff), 0);
client_log("Info", "Sending udp iperf results");
_exit(0);
}
}
}else if(request->type == SRRP_DNS){
client_log("Info", "Received dns request - %d bytes", bytes);
if(fork() == 0){
//listen for SIGCHLD so pclose resturns the status
signal(SIGCHLD, SIG_DFL);
char * cmd_fmt = "nslookup %s %s";
char cmd[100];
char * domain_name = NULL;
char * server = NULL;
int i = 0;
while(i < request->length){
if(request->params[i].param == SRRP_DN){
i = get_param_string(&domain_name, request, i);
}else if(request->params[i].param == SRRP_SERVER){
i = get_param_string(&server, request, i);
}else{
client_log("Error", "Invalid param");
}
}
if(!server || strcmp(server, "default") == 0)
server = "";
if(!domain_name || strcmp(server, "default") == 0)
domain_name = (char *)config.nslookup_addr;
sprintf(cmd, cmd_fmt, domain_name, server);
printf("%s\n", cmd);
struct timeval start, end;
float mtime, secs, usecs;
gettimeofday(&start, NULL);
fp = popen(cmd , "r");
if(fp == NULL){
client_log("Error", "Failed to run command %s", cmd);
_exit(1);
}
//get otuput
char result[200];
while(fgets(result, sizeof(result)-1, fp) != NULL){}
//work out resolution time
gettimeofday(&end, NULL);
secs = end.tv_sec - start.tv_sec;
usecs = end.tv_usec - start.tv_usec;
mtime = ((secs) * 1000 + usecs/1000.0) + 0.5;
int exit_status = pclose(fp);
if(exit_status != 0){
client_log("Info", "DNS status failure - exit status %d", exit_status);
parse_failure(request->type, request->dst_id, request->m_id, (struct srrp_response *) send_buff);
}else{
client_log("Info", "DNS status sucess - exit status %d", exit_status);
parse_dns(request->type, request->dst_id, request->m_id, (struct srrp_response *) send_buff, mtime);
}
send(clientSocket, send_buff, response_size((struct srrp_response *) send_buff), 0);
client_log("Info", "Sending dns response");
_exit(0);
}
}else{
//unrecognised data
client_log("Error", "Recevied unrecognised data - %d - %d bytes", request->type, bytes);
}
}else{
//timeout
//dont care about timeout --- keep running
client_log("Error", "Timeout");
break;
}
}
client_log("Info", "Recevied empty data, closing connection");
fclose(logs);
close(clientSocket);
return 0;
}
