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add server progress bar

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ubuntu201711081 2020-12-07 17:59:11 +00:00
parent 80a03a8610
commit 80f3226421
6 changed files with 216 additions and 27 deletions
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3
.vscode/settings.json vendored
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@ -5,6 +5,7 @@
"files.associations": {
"socket_wrapper.h": "c",
"stdalign.h": "c",
"timerhelper.h": "c"
"timerhelper.h": "c",
"termio.h": "c"
}
}

6
Makefile
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@ -9,11 +9,13 @@ all:
socket_wrapper.o: socket_wrapper.c socket_wrapper.h
$(CC) -c socket_wrapper.c -o socket_wrapper.o $(CFLAGS)
display_bar.o: display_bar.c display_bar.h
$(CC) -c display_bar.c -o display_bar.o $(CFLAGS)
client: socket_wrapper.o client.c
$(CC) -o client client.c socket_wrapper.o $(CFLAGS)
server: socket_wrapper.o server.c
$(CC) -o server server.c socket_wrapper.o $(CFLAGS)
server: socket_wrapper.o server.c display_bar.o
$(CC) -o server server.c socket_wrapper.o display_bar.o $(CFLAGS)
p-server: socket_wrapper.o p-server.c
$(CC) -o p-server p-server.c socket_wrapper.o $(CFLAGS)
p-client: socket_wrapper.o p-client.c

2
client.c
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@ -238,7 +238,7 @@ static bool init_queue_from_chararray(simple_queue_t * restrict q,const char **
// q have lifetime of arg f.
// do not close file f before queue closed.
static bool init_queue_from_file(simple_queue_t * restrict q, FILE * f){
q->method = From_CharArray;
q->method = From_FileStream;
q->fs = f;
return true;
}

115
display_bar.c Normal file
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@ -0,0 +1,115 @@
#include<stdio.h>
#include<stdbool.h>
#include<stdarg.h>
#include<string.h>
#include<errno.h>
#include<unistd.h>
#include<termio.h>
#include<pthread.h>
#include "display_bar.h"
#include "timerhelper.h"
enum{
#ifndef DEFAULT_PROGRESS_BAR_WIDTH
PROGRESS_BAR_WIDTH = 30,
#else
PROGRESS_BAR_WIDTH = DEFAULT_PROGRESS_BAR_WIDTH;
#endif
#ifndef DEFAULT_MAX_TERMINAL_ROW
MAX_TERMINAL_ROW = 1000,
#else
MAX_TERMINAL_ROW = MAX_TERMINAL_ROW;
#endif
};
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
static raw_progress_bar_t scrolled = 1;
void ready_progress_bar(){
fflush(stdout);
}
void lock_scrolled(){
pthread_mutex_lock(&mutex);
}
void unlock_scrolled(){
pthread_mutex_unlock(&mutex);
}
void add_scrolled_unlocked(unsigned int i){
scrolled += i;
}
raw_progress_bar_t create_raw_progress_bar(){
int ret;
lock_scrolled();
ret = scrolled;
//make space for progress bar
fprintf(stdout,"\n");
scrolled++;
unlock_scrolled();
return ret;
}
void RawDisplayProgressBar(raw_progress_bar_t bar,size_t offset,size_t total,const char * filename){
char buf[PROGRESS_BAR_WIDTH];
size_t i;
double cur_progress = ((double)offset)/(double)total *100.f;
size_t cur_pos = (cur_progress / 100.0 * PROGRESS_BAR_WIDTH); //must be less than SIZE_MAX. other value is undefined behavior.
int pos;
struct winsize wnd_size;
if (offset == total)
cur_pos = PROGRESS_BAR_WIDTH;
for (i = 0; i < PROGRESS_BAR_WIDTH; i++){
if (i < cur_pos)
buf[i] = '=';
else if(i == cur_pos)
buf[i] = '>';
else buf[i] = '.';
}
lock_scrolled();
//if ioctl failed? what should i do...
ioctl(STDIN_FILENO,TIOCGWINSZ,(char *)&wnd_size);
if (wnd_size.ws_row < pos) return;
if (pos > MAX_TERMINAL_ROW) return;//optimization.
pos = scrolled - bar;
fprintf(stdout,"\x1b[%dA[%s]: %.2f%% %s bytes: %ld/%ld %d \x1b[%dB\r",pos,buf,cur_progress,filename,total,offset,pos,pos);
fflush(stdout);
unlock_scrolled();
}
bool isatty_file(FILE * file){
return isatty(fileno(file));
}
void myd_perror(const char * msg){
char buf[1024];
int err = errno;
strerror_r(errno,buf,sizeof(buf));
errno = err;
if (isatty(STDERR_FILENO)){
lock_scrolled();
scrolled++;
fprintf(stderr,"%s: %s\n",msg,buf);
unlock_scrolled();
}
}
void init_progress_bar(progress_bar_t * bar,int update_rate){
memset(bar,0,sizeof(*bar));
bar->bar = create_raw_progress_bar();
bar->update_rate = update_rate;
}
void DisplayProgressBar(progress_bar_t * bar,size_t offset,size_t total,const char * filename, bool sync){
unsigned diff;
struct timespec ts,dif;
clock_gettime(CLOCK_REALTIME,&ts);
if (!sync){
dif = timespec_sub(ts,bar->last_update);
diff = dif.tv_nsec / 1000000 + dif.tv_sec;
if (diff < bar->update_rate){
return;
}
}
bar->last_update = ts;
RawDisplayProgressBar(bar->bar,offset,total,filename);
}

37
display_bar.h Normal file
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@ -0,0 +1,37 @@
#include<stdio.h>
#include<time.h>
#include<stdbool.h>
#ifndef _DISPLAY_BAR_H_
#define _DISPLAY_BAR_H_
typedef unsigned raw_progress_bar_t;
void lock_scrolled();
void unlock_scrolled();
void ready_progress_bar();
void add_scrolled_unlocked(unsigned int i);
raw_progress_bar_t create_raw_progress_bar();
void RawDisplayProgressBar(raw_progress_bar_t bar,size_t offset,size_t total,const char * filename);
bool isatty_file(FILE * file);
void myd_perror(const char * msg);
typedef struct {
raw_progress_bar_t bar;
//millisecond unit
int update_rate;
struct timespec last_update;
} progress_bar_t;
void init_progress_bar(progress_bar_t * bar,int update_rate);
void DisplayProgressBar(progress_bar_t * bar,size_t offset,size_t total,const char * filename, bool sync);
#endif

70
server.c
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@ -17,6 +17,7 @@
#include "socket_wrapper.h"
#include "simple_circular_buffer.h"
#include "timerhelper.h"
#include "display_bar.h"
#ifndef DEFAULT_MAX_LISTEN_SOCKET
static const int MAX_LISTEN_SOCKET = 16;
@ -61,7 +62,7 @@ enum{
#endif
};
#define USE_TRACE
#define USE_NO_QUEUE
/*========
*Operation
@ -80,11 +81,11 @@ int send_fail(int sock,const char * msg){
res.error_msg_size = strlen(msg);
//os will be combining if tcp_autocorking emabled.
if(send(sock,&res,sizeof(res),0) < 0){
perror("error msg send");
myd_perror("error msg send");
return -1;
}
if (send(sock,msg,res.error_msg_size,0) < 0){
perror("error msg send");
myd_perror("error msg send");
return -1;
}
return 0;
@ -100,7 +101,7 @@ int send_errno(int sock){
r.file_size = 0;
r.error_msg_size = 0;
if(send(sock,&r,sizeof(r),0)){
perror("errno send");
myd_perror("errno send");
return -1;
}
return 0;
@ -115,7 +116,7 @@ int read_request(int sock,uint8_t * buf,size_t bufsize){
ssize_t n = recv_until_byte(sock,&p,sizeof(p),TIMEOUT);
if (n < 0){
if (n == -2) fprintf(stderr,"timeout!");
else perror("receive fail");
else myd_perror("receive fail");
return -1;
}
if(bufsize <= ((size_t)p.file_url_size) + sizeof(p) + 1){
@ -132,7 +133,13 @@ int read_request(int sock,uint8_t * buf,size_t bufsize){
}
n = recv_until_byte(sock,buf,p.file_url_size,TIMEOUT);
buf[p.file_url_size] = '\0'; //truncate
if (isatty_file(stdout)){
lock_scrolled();
add_scrolled_unlocked(1);
fprintf(stdout,"str size: %d, request %s\n",p.file_url_size,buf);
unlock_scrolled();
}
else fprintf(stdout,"str size: %d, request %s\n",p.file_url_size,buf);
if(strchr((char *)buf,'/') != NULL){
send_fail(sock,"Illegal character /");
return -1;
@ -154,6 +161,7 @@ int send_response(int sock,int fd, uint8_t * buf, size_t bufsize){
struct stat st;
off_t offset = 0;
ssize_t readed = 0;
progress_bar_t pbar;
r.res = RES_OK;
r.err_number = 0;
r.error_msg_size = 0;
@ -165,33 +173,37 @@ int send_response(int sock,int fd, uint8_t * buf, size_t bufsize){
}
r.file_size = st.st_size;
if(send(sock,&r,sizeof(r),0)<0){
perror("send fail");
myd_perror("send fail");
return -1;
}
init_progress_bar(&pbar,10);
#ifdef USE_SENDFILE
while (r.file_size != offset)
{
size_t count = SEND_FILE_CHUNK_SIZE < (r.file_size - offset) ? SEND_FILE_CHUNK_SIZE : (r.file_size - offset);
if((readed = sendfile(sock,fd,&offset,count)) < 0){
perror("send file fail");
myd_perror("send file fail");
return -1;
}
DisplayProgressBar(&pbar,offset,r.file_size,"",false);
}
#else
while (offset < r.file_size)
{
readed = bufsize < (r.file_size - offset) ? bufsize : r.file_size - offset;
if(read(fd,buf,readed)<0){
perror("send response read fail");
myd_perror("send response read fail");
return -1;
}
if(send(sock,buf,readed,0)<0){
perror("send response send fail");
myd_perror("send response send fail");
return -1;
}
offset += readed;
usleep(500000);
DisplayProgressBar(&pbar,offset,r.file_size,"",false);
}
DisplayProgressBar(&pbar,offset,r.file_size,"",true);
#endif
return 0;
}
@ -308,7 +320,6 @@ void * worker_proc(void * data){
struct timespec ts,ts_middle,ts_end;
#endif
for(;;){
pthread_mutex_lock(&globalState.sock_mutex);
while (queue_isempty(&globalState.socks)){
pthread_cond_wait(&globalState.ready,&globalState.sock_mutex);
@ -329,10 +340,15 @@ void * worker_proc(void * data){
clock_gettime(Trace_Timer_ID,&ts_end);
struct timespec tophalf = timespec_sub(ts_middle,ts);
struct timespec bottomhelf = timespec_sub(ts_end,ts_middle);
if(isatty_file(stderr)){
lock_scrolled();
add_scrolled_unlocked(1);
fprintf(stderr,"top : %ld ns, bottom : %ld ns\n",tophalf.tv_nsec,bottomhelf.tv_nsec);
unlock_scrolled();
}
#endif
if(close(csock) < 0)
perror("csock close error");
myd_perror("csock close error");
}
destory_worker_argument(args);
return NULL;
@ -356,10 +372,16 @@ void * worker_proc(void * data){
clock_gettime(Trace_Timer_ID,&ts_end);
struct timespec tophalf = timespec_sub(ts_middle,ts);
struct timespec bottomhelf = timespec_sub(ts_end,ts_middle);
if(isatty_file(stderr)){
lock_scrolled();
add_scrolled_unlocked(1);
fprintf(stderr,"top : %ld ns, bottom : %ld ns\n",tophalf.tv_nsec,bottomhelf.tv_nsec);
unlock_scrolled();
}
else fprintf(stderr,"top : %ld ns, bottom : %ld ns\n",tophalf.tv_nsec,bottomhelf.tv_nsec);
#endif
if(close(csock) < 0)
perror("csock close error");
myd_perror("csock close error");
destory_worker_argument(args);
return NULL;
}
@ -382,17 +404,17 @@ int main(int argc, const char *argv[]){
int d = parse_args(argc,argv,&binding_port_number);
if(d != 0 ) return d;
}
ready_progress_bar();
sock = socket(AF_INET,SOCK_STREAM,0);
atexit(safe_exit);
if(sock < 0){
perror("sock create fail");
myd_perror("sock create fail");
return 1;
}
else {
int option = 1;
if(setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&option,sizeof(option)) < 0){
perror("setsockopt");
myd_perror("setsockopt");
}
}
bufsize = getBufferSizeFrom(sock);
@ -412,17 +434,23 @@ int main(int argc, const char *argv[]){
addr.sin_port = htons(binding_port_number);
if(bind(sock, (struct sockaddr *)&addr,sizeof(addr)) < 0){
perror("bind failed");
myd_perror("bind failed");
return 1;
} else {
char ip_buf[INET_ADDRSTRLEN];
const char * msg = inet_ntop(AF_INET,&addr.sin_addr,ip_buf,sizeof(ip_buf));
assert(msg != NULL);
if(isatty_file(stdout)){
lock_scrolled();
add_scrolled_unlocked(1);
fprintf(stdout,"server bind on %s:%d\n",msg ,binding_port_number);
unlock_scrolled();
}
else fprintf(stdout,"server bind on %s:%d\n",msg ,binding_port_number);
}
if(listen(sock,MAX_LISTEN_SOCKET) < 0){
perror("listen failed");
myd_perror("listen failed");
return 1;
}
@ -430,7 +458,13 @@ int main(int argc, const char *argv[]){
{
char ip_buf[INET_ADDRSTRLEN];
const char * msg = inet_ntop(AF_INET,&client_addr.sin_addr,ip_buf,sizeof(ip_buf));
if(isatty_file(stdout)){
lock_scrolled();
add_scrolled_unlocked(1);
fprintf(stdout,"Connected on : %s:%d\n",msg == NULL ? "(null)" : msg , ntohs(addr.sin_port));
unlock_scrolled();
}
else fprintf(stdout,"Connected on : %s:%d\n",msg == NULL ? "(null)" : msg , ntohs(addr.sin_port));
#ifdef USE_TRACE
struct timespec ts;
clock_gettime(Trace_Timer_ID, &ts);