refactor client.c
This commit is contained in:
ubuntu201711081
parent
35aa8243b3
commit
50eeba56a4
1 changed files with 135 additions and 76 deletions
211
client.c
211
client.c
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@ -187,7 +187,9 @@ int SendOpAndReceiveFile(const char * filename, struct sockaddr const * addr){
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close(sock);
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return ret;
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}
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//====
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//bench
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//====
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struct benchmark_data{
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bool benchmode;
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struct timespec begin;
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@ -207,22 +209,75 @@ void init_bench_data(){
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clock_getres(bench.clock_id,&bench.resolution);
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}
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}
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static size_t thread_number_option = 1;
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//====
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//simple queue
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//====
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typedef enum{
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From_CharArray,
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From_FileStream
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} queueing_method_t;
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typedef struct SimpleCharQueue{
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queueing_method_t method;
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const char ** filename_begin;
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const char ** filename_end;
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FILE * fs;
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} simple_queue_t;
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//
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// q have lifetime of arg b or arg e.
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// do not deallocate before queue closed.
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static bool init_queue_from_chararray(simple_queue_t * restrict q,const char ** b, const char ** e){
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q->method = From_CharArray;
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q->filename_begin = b;
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q->filename_end = e;
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return true;
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}
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//
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// q have lifetime of arg f.
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// do not close file f before queue closed.
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static bool init_queue_from_file(simple_queue_t * restrict q, FILE * f){
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q->method = From_CharArray;
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q->fs = f;
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return true;
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}
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static const char * dequeue_from_simplecharqueue(simple_queue_t * restrict q,char * restrict buf, size_t size){
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const char * filename;
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if (q->method == From_CharArray){
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if (__glibc_unlikely(q->filename_begin == q->filename_end)) {
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return NULL;
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}
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filename = *(q->filename_begin++);
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}
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else{
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//unsafe.
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int t = fscanf(q->fs,"%s",buf);
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if (__glibc_unlikely(t != 1)) {
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return NULL;
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}
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filename = buf;
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}
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return filename;
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}
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//====
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//thread
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//====
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struct SimpleThreadGlobal{
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size_t thread_arr_size;
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pthread_t * thread_arr;
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pthread_mutex_t queueing_mutex;
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queueing_method_t method;
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const char ** filename_begin;
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const char ** filename_end;
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simple_queue_t queue;
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} global_state;
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//if initialization is success, return true
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bool init_global_state(struct SimpleThreadGlobal * t, size_t size){
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pthread_mutex_init(&t->queueing_mutex,NULL);
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t->thread_arr_size = size;
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t->thread_arr = (pthread_t *)malloc(sizeof(*global_state.thread_arr) * global_state.thread_arr_size);
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if (t->thread_arr == NULL){
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return false;
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}
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return true;
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}
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typedef struct SimpleThreadReturn{
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int retval;
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@ -249,7 +304,6 @@ void destroy_thread_arg(worker_arg_t * arg){
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free(arg);
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}
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void * WorkerProc(void * args){
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worker_arg_t * arg = (worker_arg_t *)(args);
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worker_return_t * ret = create_worker_return();
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@ -258,123 +312,128 @@ void * WorkerProc(void * args){
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for(;;)
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{
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pthread_mutex_lock(&global_state.queueing_mutex);
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if (global_state.method == From_CharArray){
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if (__glibc_unlikely(global_state.filename_begin == global_state.filename_end)) {
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pthread_mutex_unlock(&global_state.queueing_mutex);
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break;
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}
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filename = *(global_state.filename_begin++);
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}
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else{
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//unsafe.
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int t = fscanf(stdin,"%s",filename_buf);
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if (__glibc_unlikely(t != 1)) {
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pthread_mutex_unlock(&global_state.queueing_mutex);
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break;
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}
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filename = filename_buf;
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}
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filename = dequeue_from_simplecharqueue(&global_state.queue,filename_buf,FILENAME_BUF_SIZE);
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pthread_mutex_unlock(&global_state.queueing_mutex);
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if(filename == NULL) break;
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ret->retval += SendOpAndReceiveFile(filename,&arg->addr);
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ret->op_count++;
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}
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destroy_thread_arg(arg);
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return ret;
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}
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static bool stdinisatty;
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int main(int argc, const char *argv[]){
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struct sockaddr_in addr;
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const char * filename;
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//====
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// cmd parse
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//====
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static struct {
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const char * server_name;
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in_port_t server_port = 0;
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int arg_filename_start = 3;
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int err;
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int retval = 0;
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in_port_t server_port;
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bool stdinisatty;
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int thread_number_option;
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} cmd_args = {
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.server_name = "",
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.server_port = 0
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};
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init_bench_data();
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stdinisatty = isatty(STDIN_FILENO);
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static const char * show_help_message(FILE * file,const char * argv0){
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static const char * msg =
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"USAUE: %s SERVERNAME PORT [Option]... [FILENAME]...\n"
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"Options and arguments: \n"
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"-b or --benchmark\t:benchmark mode\n"
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"-nv or --no-verbose\t:no progress bar\n"
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"-h\t:print help message.\n";
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fprintf(file,msg,argv0);
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return msg;
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}
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if (argc < (stdinisatty ? 4 : 3)){
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fprintf(stderr,"USAUE: %s SERVERNAME PORT [Option]... [FILENAME]...\n",argv[0]);
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static int parse_arg(int argc,const char *argv[]){
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int cur;
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cmd_args.stdinisatty = isatty(STDIN_FILENO);
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if (argc < (cmd_args.stdinisatty ? 4 : 3)){
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show_help_message(stderr,argv[0]);
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return 1;
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}
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server_name = argv[1];
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server_port = atoi(argv[2]);
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while(arg_filename_start < argc){
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if (strcmp("-b",argv[arg_filename_start])==0
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||strcmp("--benchmark",argv[arg_filename_start])==0){
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arg_filename_start++;
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cmd_args.server_name = argv[1];
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cmd_args.server_port = atoi(argv[2]);
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if (cmd_args.server_port == 0){
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fprintf(stderr,"port invalid\n");
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return -1;
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}
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cmd_args.thread_number_option = 1;
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for(cur = 3;cur < argc; cur++){
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if (strcmp("-b",argv[cur])==0||strcmp("--benchmark",argv[cur])==0){
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bench.benchmode = true;
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}
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else if(strcmp("-nv",argv[arg_filename_start]) == 0||strcmp("--no-verbose",argv[arg_filename_start])==0){
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arg_filename_start++;
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else if(strcmp("-nv",argv[cur]) == 0||strcmp("--no-verbose",argv[cur])==0){
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DisplayProgress = false;
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}
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else if(strcmp("-t",argv[arg_filename_start]) == 0 || strcmp("--thread",argv[arg_filename_start]) == 0){
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arg_filename_start++;
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if (arg_filename_start >= argc){
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else if(strcmp("-t",argv[cur]) == 0 || strcmp("--thread",argv[cur]) == 0){
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cur++;
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if (cur >= argc){
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fprintf(stderr,"need number");
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return -2;
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}
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thread_number_option = atoi(argv[arg_filename_start++]);
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if(thread_number_option == 0){
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cmd_args.thread_number_option = atoi(argv[cur]);
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if(cmd_args.thread_number_option == 0){
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fprintf(stderr,"not number or zero");
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return -2;
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}
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}
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else if(strcmp("-h",argv[cur]) == 0 || strcmp("--help",argv[cur]) == 0){
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show_help_message(stdout,argv[0]);
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return 0;
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}
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else break;
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}
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if (server_port == 0){
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fprintf(stderr,"port invalid\n");
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return 1;
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if (cmd_args.stdinisatty){
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init_queue_from_chararray(&global_state.queue, &argv[cur],&argv[argc]);
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}
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else{
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init_queue_from_file(&global_state.queue,stdin);
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}
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return 0;
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}
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err = getsockaddrbyname(AF_INET,SOCK_STREAM,0,server_name,(struct sockaddr *)&addr);
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int main(int argc, const char *argv[]){
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struct sockaddr_in addr;
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const char * filename;
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int err;
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int retval = 0;
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init_bench_data();
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if(parse_arg(argc,argv) < 0) return EXIT_FAILURE;
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err = getsockaddrbyname(AF_INET,SOCK_STREAM,0,cmd_args.server_name,(struct sockaddr *)&addr);
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if (err != 0){
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int check;
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fprintf(stderr,"netdb fail: %s\n",gai_strerror(err));
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//assume that sernmae is *.*.*.* and try to parse addr
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check = inet_pton(AF_INET,server_name,&addr.sin_addr);
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check = inet_pton(AF_INET,cmd_args.server_name,&addr.sin_addr);
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assert(check != -1);
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if (check == 0){
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fprintf(stderr,"parsing fail : invaild format\n");
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return 1;
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return -1;
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}
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}
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addr.sin_family = AF_INET;
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addr.sin_port = htons(server_port);
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addr.sin_port = htons(cmd_args.server_port);
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if (bench.benchmode){
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clock_gettime(bench.clock_id,&bench.begin);
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}
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if(thread_number_option == 1){
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if(cmd_args.thread_number_option == 1){
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char filename_buf[FILENAME_BUF_SIZE];
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for (;;){
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if (stdinisatty){
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if (arg_filename_start >= argc) break;
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filename = argv[arg_filename_start++];
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}
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else{
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//unsafe.
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int t = fscanf(stdin,"%s",filename_buf);
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if (t != 1) break;
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filename = filename_buf;
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}
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filename = dequeue_from_simplecharqueue(&global_state.queue,filename_buf,FILENAME_BUF_SIZE);
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if (filename == NULL) break;
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retval += SendOpAndReceiveFile(filename,(struct sockaddr *)&addr);
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bench.op_count++;
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}
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}
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else{
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int i = 0;
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global_state.method = stdinisatty ? From_CharArray : From_FileStream;
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global_state.filename_begin = &argv[arg_filename_start];
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global_state.filename_end = &argv[argc];
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pthread_mutex_init(&global_state.queueing_mutex,NULL);
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global_state.thread_arr_size = thread_number_option;
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global_state.thread_arr = (pthread_t *)malloc(sizeof(*global_state.thread_arr) * global_state.thread_arr_size);
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init_global_state(&global_state,cmd_args.thread_number_option);
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for (i = 0; i < global_state.thread_arr_size; i++){
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worker_arg_t * arg = create_thread_arg((struct sockaddr *)&addr);
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pthread_create(&global_state.thread_arr[i],NULL,WorkerProc,arg);
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