Context Navigation

main.cfa@ 3e54399

Visit:

ADT ast-experimental enum pthread-emulation qualifiedEnum

Last change on this file since 3e54399 was 6117fc0, checked in by Thierry Delisle <tdelisle@…>, 4 years ago
Httpforall now pins kernel threads
Property mode set to `100644`
File size: 7.8 KB

Rev	Line
[1e8b4b49]	1	#define _GNU_SOURCE
[0aec496]	2
	3	#include <errno.h>
	4	#include <stdio.h>
	5	#include <string.h>
	6	#include <unistd.h>
	7	extern "C" {
[6117fc0]	8	#include <sched.h>
[c2df3031]	9	#include <signal.h>
[0aec496]	10	#include <sys/socket.h>
	11	#include <netinet/in.h>
	12	}
	13
[8c43d05]	14	#include <fstream.hfa>
[0aec496]	15	#include <kernel.hfa>
[153dc387]	16	#include <iofwd.hfa>
[0aec496]	17	#include <stats.hfa>
[d11d6eb]	18	#include <time.hfa>
[0aec496]	19	#include <thread.hfa>
	20
	21	#include "filecache.hfa"
	22	#include "options.hfa"
	23	#include "worker.hfa"
	24
[d11d6eb]	25	extern void register_fixed_files( cluster &, int *, unsigned count );
	26
	27	Duration default_preemption() {
	28	return 0;
	29	}
	30
[153dc387]	31	//=============================================================================================
	32	// Stats Printer
	33	//============================================================================================='
	34
	35	thread StatsPrinter {};
	36
[348f81d5]	37	void ?{}( StatsPrinter & this, cluster & cl ) {
	38	((thread&)this){ "Stats Printer Thread", cl };
[153dc387]	39	}
	40
[2cd784a]	41	void ^?{}( StatsPrinter & mutex this ) {}
	42
[153dc387]	43	void main(StatsPrinter & this) {
	44	LOOP: for() {
	45	waitfor( ^?{} : this) {
	46	break LOOP;
	47	}
	48	or else {}
	49
	50	sleep(10`s);
	51
[348f81d5]	52	print_stats_now( *active_cluster(), CFA_STATS_READY_Q \| CFA_STATS_IO );
	53	}
	54	}
	55
	56	//=============================================================================================
	57	// Globals
	58	//=============================================================================================
	59	struct ServerCluster {
	60	cluster self;
	61	processor * procs;
[2cd784a]	62	// io_context * ctxs;
[348f81d5]	63	StatsPrinter * prnt;
	64
	65	};
	66
	67	void ?{}( ServerCluster & this ) {
	68	(this.self){ "Server Cluster", options.clopts.params };
	69
[6117fc0]	70	cpu_set_t fullset;
	71	CPU_ZERO(&fullset);
	72	int ret = sched_getaffinity(getpid(), sizeof(fullset), &fullset);
	73	if( ret != 0 ) abort \| "sched_getaffinity failed with" \| errno \| strerror( errno );
	74	int cnt = CPU_COUNT(&fullset);
	75
[348f81d5]	76	this.procs = alloc(options.clopts.nprocs);
	77	for(i; options.clopts.nprocs) {
	78	(this.procs[i]){ "Benchmark Processor", this.self };
	79
[6117fc0]	80	int c = 0;
	81	int n = 1 + (i % cnt);
	82	for(int j = 0; j < CPU_SETSIZE; j++) {
	83	if(CPU_ISSET(j, &fullset)) n--;
	84	if(n == 0) {
	85	c = j;
	86	break;
	87	}
	88	}
	89	cpu_set_t localset;
	90	CPU_ZERO(&localset);
	91	CPU_SET(c, &localset);
	92	ret = pthread_setaffinity_np(this.procs[i].kernel_thread, sizeof(localset), &localset);
	93	if( ret != 0 ) abort \| "sched_getaffinity failed with" \| ret \| strerror( ret );
	94
[348f81d5]	95	#if !defined(__CFA_NO_STATISTICS__)
	96	if( options.clopts.procstats ) {
	97	print_stats_at_exit( *this.procs, this.self.print_stats );
	98	}
	99	if( options.clopts.viewhalts ) {
	100	print_halts( *this.procs );
	101	}
	102	#endif
	103	}
	104
[2cd784a]	105	if(options.stats) {
	106	this.prnt = alloc();
	107	(*this.prnt){ this.self };
	108	} else {
	109	this.prnt = 0p;
[348f81d5]	110	}
	111
	112	#if !defined(__CFA_NO_STATISTICS__)
	113	print_stats_at_exit( this.self, CFA_STATS_READY_Q \| CFA_STATS_IO );
	114	#endif
	115
	116	options.clopts.instance[options.clopts.cltr_cnt] = &this.self;
	117	options.clopts.cltr_cnt++;
[153dc387]	118	}
	119
[348f81d5]	120	void ^?{}( ServerCluster & this ) {
[2cd784a]	121	delete(this.prnt);
[348f81d5]	122
	123	for(i; options.clopts.nprocs) {
	124	^(this.procs[i]){};
	125	}
	126	free(this.procs);
	127
	128	^(this.self){};
	129	}
	130
	131	extern void init_protocol(void);
	132	extern void deinit_protocol(void);
	133
[0aec496]	134	//=============================================================================================
	135	// Main
	136	//============================================================================================='
	137	int main( int argc, char * argv[] ) {
[c2df3031]	138	__sighandler_t s = 1p;
	139	signal(SIGPIPE, s);
	140
[0aec496]	141	//===================
	142	// Parse args
[b57db73]	143	parse_options(argc, argv);
[0aec496]	144
	145	//===================
	146	// Open Files
[b57db73]	147	if( options.file_cache.path ) {
	148	sout \| "Filling cache from" \| options.file_cache.path;
	149	fill_cache( options.file_cache.path );
	150	}
[0aec496]	151
	152	//===================
	153	// Open Socket
[8c43d05]	154	sout \| getpid() \| ": Listening on port" \| options.socket.port;
[0aec496]	155	int server_fd = socket(AF_INET, SOCK_STREAM, 0);
	156	if(server_fd < 0) {
	157	abort( "socket error: (%d) %s\n", (int)errno, strerror(errno) );
	158	}
	159
[7f389a5c]	160	int ret = 0;
[0aec496]	161	struct sockaddr_in address;
	162	int addrlen = sizeof(address);
	163	memset( (char *)&address, '\0' );
	164	address.sin_family = AF_INET;
	165	address.sin_addr.s_addr = htonl(INADDR_ANY);
[2ecbd7b]	166	address.sin_port = htons( options.socket.port );
[0aec496]	167
[ee913e0a]	168	int waited = 0;
	169	for() {
[1e8b4b49]	170	int sockfd = server_fd;
	171	__CONST_SOCKADDR_ARG addr;
	172	addr.__sockaddr__ = (struct sockaddr *)&address;
	173	socklen_t addrlen = sizeof(address);
	174	ret = bind( sockfd, addr, addrlen );
[ee913e0a]	175	if(ret < 0) {
[c3ee5f3]	176	if(errno == EADDRINUSE) {
[ee913e0a]	177	if(waited == 0) {
[3a0ddb6]	178	if(!options.interactive) abort \| "Port already in use in non-interactive mode. Aborting";
[8c43d05]	179	sout \| "Waiting for port";
[ee913e0a]	180	} else {
[8c43d05]	181	sout \| "\r" \| waited \| nonl;
	182	flush( sout );
[ee913e0a]	183	}
	184	waited ++;
	185	sleep( 1`s );
	186	continue;
	187	}
	188	abort( "bind error: (%d) %s\n", (int)errno, strerror(errno) );
	189	}
	190	break;
[0aec496]	191	}
	192
[2ecbd7b]	193	ret = listen( server_fd, options.socket.backlog );
[0aec496]	194	if(ret < 0) {
	195	abort( "listen error: (%d) %s\n", (int)errno, strerror(errno) );
	196	}
	197
	198	//===================
	199	// Run Server Cluster
	200	{
[d9c2284]	201	int pipe_cnt = options.clopts.nworkers * 2;
	202	int pipe_off;
	203	int * fds;
	204	[fds, pipe_off] = filefds( pipe_cnt );
	205	for(i; 0 ~ pipe_cnt ~ 2) {
	206	int ret = pipe(&fds[pipe_off + i]);
	207	if( ret < 0 ) { abort( "pipe error: (%d) %s\n", (int)errno, strerror(errno) ); }
	208	}
	209
[4f762d3]	210	// if(options.file_cache.path && options.file_cache.fixed_fds) {
	211	// register_fixed_files(cl, fds, pipe_off);
	212	// }
[d11d6eb]	213
[0aec496]	214	{
[348f81d5]	215	ServerCluster cl[options.clopts.nclusters];
[ece0e80]	216
	217	init_protocol();
[0aec496]	218	{
[3eb540fb]	219	Worker * workers = anew(options.clopts.nworkers);
[d9c2284]	220	for(i; options.clopts.nworkers) {
[d11d6eb]	221	// if( options.file_cache.fixed_fds ) {
	222	// workers[i].pipe[0] = pipe_off + (i * 2) + 0;
	223	// workers[i].pipe[1] = pipe_off + (i * 2) + 1;
	224	// }
	225	// else
	226	{
[d9c2284]	227	workers[i].pipe[0] = fds[pipe_off + (i * 2) + 0];
	228	workers[i].pipe[1] = fds[pipe_off + (i * 2) + 1];
[8e3034d]	229	workers[i].sockfd = server_fd;
	230	workers[i].addr = (struct sockaddr *)&address;
	231	workers[i].addrlen = (socklen_t*)&addrlen;
	232	workers[i].flags = 0;
[d9c2284]	233	}
[e235429]	234	unpark( workers[i] );
[d9c2284]	235	}
[348f81d5]	236	sout \| options.clopts.nworkers \| "workers started on" \| options.clopts.nprocs \| "processors /" \| options.clopts.nclusters \| "clusters";
	237	for(i; options.clopts.nclusters) {
	238	sout \| options.clopts.thrd_cnt[i] \| nonl;
	239	}
	240	sout \| nl;
[4087baf]	241	if(!options.interactive) park();
[0aec496]	242	{
[e95a117]	243	char buffer[128];
[2cd784a]	244	for() {
	245	int ret = cfa_read(0, buffer, 128, 0);
	246	if(ret == 0) break;
[153dc387]	247	if(ret < 0) abort( "main read error: (%d) %s\n", (int)errno, strerror(errno) );
[2cd784a]	248	sout \| "User wrote '" \| "" \| nonl;
	249	write(sout, buffer, ret - 1);
	250	sout \| "'";
[e95a117]	251	}
	252
[8c43d05]	253	sout \| "Shutdown received";
[0aec496]	254	}
[ece0e80]	255
[b57db73]	256	sout \| "Notifying connections..." \| nonl; flush( sout );
[ece0e80]	257	for(i; options.clopts.nworkers) {
[481ee28]	258	workers[i].done = true;
[ece0e80]	259	}
[b57db73]	260	sout \| "done";
[ece0e80]	261
[b57db73]	262	sout \| "Shutting down socket..." \| nonl; flush( sout );
[ece0e80]	263	int ret = shutdown( server_fd, SHUT_RD );
[b57db73]	264	if( ret < 0 ) {
	265	abort( "shutdown error: (%d) %s\n", (int)errno, strerror(errno) );
	266	}
	267	sout \| "done";
[ece0e80]	268
	269	//===================
	270	// Close Socket
[b57db73]	271	sout \| "Closing Socket..." \| nonl; flush( sout );
[ece0e80]	272	ret = close( server_fd );
	273	if(ret < 0) {
	274	abort( "close socket error: (%d) %s\n", (int)errno, strerror(errno) );
	275	}
[0197418]	276	sout \| "done";
	277
[b57db73]	278	sout \| "Stopping connection threads..." \| nonl; flush( sout );
[3eb540fb]	279	adelete(workers);
[0aec496]	280	}
[8c43d05]	281	sout \| "done";
[ece0e80]	282
[b57db73]	283	sout \| "Stopping protocol threads..." \| nonl; flush( sout );
[ece0e80]	284	deinit_protocol();
[8c43d05]	285	sout \| "done";
	286
[348f81d5]	287	sout \| "Stopping processors/clusters..." \| nonl; flush( sout );
[0aec496]	288	}
[8c43d05]	289	sout \| "done";
[d9c2284]	290
[b57db73]	291	sout \| "Closing splice fds..." \| nonl; flush( sout );
[d9c2284]	292	for(i; pipe_cnt) {
	293	ret = close( fds[pipe_off + i] );
	294	if(ret < 0) {
	295	abort( "close pipe error: (%d) %s\n", (int)errno, strerror(errno) );
	296	}
	297	}
	298	free(fds);
[8c43d05]	299	sout \| "done";
[c3ee5f3]	300
[b57db73]	301	sout \| "Stopping processors..." \| nonl; flush( sout );
[0aec496]	302	}
[8c43d05]	303	sout \| "done";
[0aec496]	304
	305	//===================
	306	// Close Files
[b57db73]	307	if( options.file_cache.path ) {
	308	sout \| "Closing open files..." \| nonl; flush( sout );
	309	close_cache();
	310	sout \| "done";
	311	}
[0aec496]	312	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats:

Original Format