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speeded up termination

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added functions to manipulate server options
This commit is contained in:
hyung-hwan 2018-03-13 02:02:25 +00:00
parent 3ba32a615d
commit 6ff6286ecf
1 changed files with 80 additions and 17 deletions
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89
lib/main2.c
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@ -253,6 +253,20 @@ struct server_worker_t
server_worker_t* next_worker;
};
enum server_option_t
{
SERVER_TRAIT,
SERVER_WORKER_STACK_SIZE
};
typedef enum server_option_t server_option_t;
enum server_trait_t
{
SERVER_TRAIT_READABLE_PROTO = (1 << 0),
SERVER_TRAIT_USE_LARGE_PAGES = (1 << 1)
};
typedef enum server_trait_t server_trait_t;
struct server_t
{
int stopreq;
@ -264,12 +278,13 @@ struct server_t
{
hcl_oow_t memsize; /* hcl heap memory size */
unsigned int dbgopt;
int large_pages;
const char* logopt;
int logmask;
unsigned int idle_timeout; /* idle timeout */
int inject_nl_in_chunked_reply;
size_t worker_stack_size;
int trait;
} cfg;
struct
@ -441,7 +456,7 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
pfd.fd = bb->fd;
pfd.events = POLLIN | POLLERR;
n = poll(&pfd, 1, 1000);
n = poll(&pfd, 1, 10000); /* TOOD: adjust this interval? */
if (n <= -1)
{
if (errno == EINTR) goto start_over;
@ -1219,7 +1234,7 @@ server_proto_t* server_proto_open (hcl_oow_t xtnsize, server_worker_t* worker)
unsigned int trait;
memset (&vmprim, 0, HCL_SIZEOF(vmprim));
if (worker->server->cfg.large_pages)
if (worker->server->cfg.trait & SERVER_TRAIT_USE_LARGE_PAGES)
{
vmprim.alloc_heap = alloc_heap;
vmprim.free_heap = free_heap;
@ -1297,7 +1312,7 @@ static int write_reply_chunk (server_proto_t* proto)
}
iov[count].iov_base = cl,
iov[count++].iov_len = snprintf(cl, sizeof(cl), "%s%zu:", ((proto->worker->server->cfg.inject_nl_in_chunked_reply && proto->reply.nchunks > 0)? "\n": ""), proto->reply.len);
iov[count++].iov_len = snprintf(cl, sizeof(cl), "%s%zu:", (((proto->worker->server->cfg.trait & SERVER_TRAIT_READABLE_PROTO) && proto->reply.nchunks > 0)? "\n": ""), proto->reply.len);
}
iov[count].iov_base = proto->reply.buf;
iov[count++].iov_len = proto->reply.len;
@ -1762,7 +1777,7 @@ int server_proto_handle_request (server_proto_t* proto)
server_proto_start_reply (proto);
pthread_mutex_lock (&proto->worker->server->worker_mutex);
//print_server_workers (proto);
//kill_server_worker (proto);
pthread_mutex_unlock (&proto->worker->server->worker_mutex);
if (server_proto_end_reply(proto, NULL) <= -1)
@ -1782,8 +1797,7 @@ int server_proto_handle_request (server_proto_t* proto)
/* ========================================================================= */
server_t* server_open (size_t xtnsize, hcl_oow_t memsize, const char* logopt, unsigned int dbgopt, int large_pages)
server_t* server_open (size_t xtnsize, hcl_oow_t memsize, const char* logopt, unsigned int dbgopt)
{
server_t* server;
@ -1798,7 +1812,8 @@ server_t* server_open (size_t xtnsize, hcl_oow_t memsize, const char* logopt, un
server->cfg.memsize = memsize;
server->cfg.logopt = logopt;
server->cfg.dbgopt = dbgopt;
server->cfg.large_pages = large_pages;
server->cfg.worker_stack_size = 512000UL; /* TODO: make it configurable */
server->cfg.trait = SERVER_TRAIT_READABLE_PROTO | SERVER_TRAIT_USE_LARGE_PAGES; /* TODO: make it configurable */
pthread_mutex_init (&server->worker_mutex, NULL);
pthread_mutex_init (&server->log_mutex, NULL);
@ -1900,11 +1915,12 @@ static void* worker_main (void* ctx)
server_proto_close (worker->proto);
worker->proto = NULL;
pthread_mutex_lock (&server->worker_mutex);
/* close connection before free_client() is called */
close (worker->sck);
worker->sck = -1;
pthread_mutex_lock (&server->worker_mutex);
if (!worker->claimed)
{
zap_worker_in_server (server, worker);
@ -1927,6 +1943,8 @@ static void purge_all_workers (server_t* server, server_worker_state_t wstate)
{
zap_worker_in_server (server, worker);
worker->claimed = 1;
if (worker->sck >= 0) shutdown (worker->sck, SHUT_RDWR);
}
pthread_mutex_unlock (&server->worker_mutex);
if (!worker) break;
@ -1960,6 +1978,7 @@ int server_start (server_t* server, const char* addrs)
int optval;
socklen_t srv_len;
char errbuf[128];
pthread_attr_t thr_attr;
/* TODO: interprete 'addrs' as a command-separated address list
* 192.168.1.1:20,[::1]:20,127.0.0.1:345
@ -2015,6 +2034,9 @@ int server_start (server_t* server, const char* addrs)
return -1;
}
pthread_attr_init (&thr_attr);
pthread_attr_setstacksize (&thr_attr, server->cfg.worker_stack_size);
server->stopreq = 0;
while (!server->stopreq)
{
@ -2022,6 +2044,7 @@ int server_start (server_t* server, const char* addrs)
int cli_fd;
socklen_t cli_len;
pthread_t thr;
server_worker_t* worker;
purge_all_workers (server, SERVER_WORKER_STATE_DEAD);
@ -2039,7 +2062,8 @@ int server_start (server_t* server, const char* addrs)
}
worker = alloc_worker(server, cli_fd);
if (pthread_create(&thr, NULL, worker_main, worker) != 0)
if (pthread_create(&thr, &thr_attr, worker_main, worker) != 0)
{
free_worker (worker);
}
@ -2047,6 +2071,8 @@ int server_start (server_t* server, const char* addrs)
purge_all_workers (server, SERVER_WORKER_STATE_ALIVE);
purge_all_workers (server, SERVER_WORKER_STATE_DEAD);
pthread_attr_destroy (&thr_attr);
return 0;
}
@ -2055,11 +2081,42 @@ void server_stop (server_t* server)
server->stopreq = 1;
}
void server_walk_workers (server_t* server, server_worker_state_t wstate)
int server_setoption (server_t* server, server_option_t id, const void* value)
{
switch (id)
{
case SERVER_TRAIT:
server->cfg.trait = *(const unsigned int*)value;
return 0;
case SERVER_WORKER_STACK_SIZE:
server->cfg.worker_stack_size = *(hcl_oow_t*)value;
return 0;
// TODO: add more options
}
//server_seterrnum (server, SERVER_EINVAL);
return -1;
}
int server_getoption (server_t* server, server_option_t id, void* value)
{
switch (id)
{
case SERVER_TRAIT:
*(unsigned int*)value = server->cfg.trait;
return 0;
case SERVER_WORKER_STACK_SIZE:
*(hcl_oow_t*)value = server->cfg.worker_stack_size;
return 0;
};
//server_seterrnum (server, SERVER_EINVAL);
return -1;
}
/* ========================================================================= */
static server_t* g_server = HCL_NULL;
@ -2140,6 +2197,7 @@ int main_server (int argc, char* argv[])
hcl_oow_t memsize = MIN_MEMSIZE;
int large_pages = 0;
unsigned int dbgopt = 0;
unsigned int trait;
setlocale (LC_ALL, "");
@ -2194,7 +2252,7 @@ int main_server (int argc, char* argv[])
if (opt.ind >= argc) goto print_usage;
server = server_open(0, memsize, logopt, dbgopt, large_pages);
server = server_open(0, memsize, logopt, dbgopt);
if (!server)
{
fprintf (stderr, "cannot open server\n");
@ -2203,6 +2261,11 @@ int main_server (int argc, char* argv[])
if (handle_logopt(server, logopt) <= -1) goto oops;
server_getoption (server, SERVER_TRAIT, &trait);
if (large_pages) trait |= SERVER_TRAIT_USE_LARGE_PAGES;
else trait &= SERVER_TRAIT_USE_LARGE_PAGES;
server_setoption (server, SERVER_TRAIT, &trait);
g_server = server;
set_signal (SIGINT, handle_sigint);
set_signal_to_ignore (SIGPIPE);