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Replace unnecessary multiprocess model with simpler thread based model for each component for future removal of duplication of work when communicating between threads

master
Con Kolivas 10 years ago
parent
6c8f6bb93d
commit
3c965946e7
8 changed files with 67 additions and 391 deletions
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  1. 320
      src/ckpool.c
  2. 23
      src/ckpool.h
  3. 8
      src/connector.c
  4. 4
      src/connector.h
  5. 64
      src/generator.c
  6. 4
      src/generator.h
  7. 31
      src/stratifier.c
  8. 4
      src/stratifier.h

320
src/ckpool.c
Unescape View File

@ -227,7 +227,6 @@ static void *unix_receiver(void *arg)
sockd = accept(rsockd, NULL, NULL);
if (unlikely(sockd < 0)) {
LOGEMERG("Failed to accept on %s socket, exiting", qname);
childsighandler(15);
break;
}
buf = recv_unix_msg(sockd);
@ -283,17 +282,6 @@ void create_unix_receiver(proc_instance_t *pi)
create_pthread(&pth, unix_receiver, pi);
}
static void broadcast_proc(ckpool_t *ckp, const char *buf)
{
int i;
for (i = 0; i < ckp->proc_instances; i++) {
proc_instance_t *pi = ckp->children[i];
send_proc(pi, buf);
}
}
/* Put a sanity check on kill calls to make sure we are not sending them to
* pid 0. */
static int kill_pid(const int pid, const int sig)
@ -318,63 +306,41 @@ static int pid_wait(const pid_t pid, const int ms)
return ret;
}
static int get_proc_pid(const proc_instance_t *pi)
{
int ret, pid = 0;
char path[256];
FILE *fp;
sprintf(path, "%s%s.pid", pi->ckp->socket_dir, pi->processname);
fp = fopen(path, "re");
if (!fp)
goto out;
ret = fscanf(fp, "%d", &pid);
if (ret < 1)
pid = 0;
fclose(fp);
out:
return pid;
}
static int send_procmsg(proc_instance_t *pi, const char *buf)
static int _send_procmsg(proc_instance_t *pi, const char *buf, const char *file, const char *func, const int line)
{
char *path = pi->us.path;
int ret = -1;
int sockd;
if (unlikely(!path || !strlen(path))) {
LOGERR("Attempted to send message %s to null path in send_proc", buf ? buf : "");
LOGERR("Attempted to send message %s to null path in send_proc from %s %s:%d",
buf ? buf : "", file, func, line);
goto out;
}
if (unlikely(!buf || !strlen(buf))) {
LOGERR("Attempted to send null message to socket %s in send_proc", path);
goto out;
}
if (unlikely(!pi->pid)) {
pi->pid = get_proc_pid(pi);
if (!pi->pid)
goto out;
}
if (unlikely(kill_pid(pi->pid, 0))) {
LOGALERT("Attempting to send message %s to dead process %s", buf, pi->processname);
LOGERR("Attempted to send null message to socket %s in send_proc from %s %s:%d",
path, file, func, line);
goto out;
}
sockd = open_unix_client(path);
if (unlikely(sockd < 0)) {
LOGWARNING("Failed to open socket %s in send_procmsg", path);
LOGWARNING("Failed to open socket %s in send_procmsg from %s %s:%d",
path, file, func, line);
goto out;
}
if (unlikely(!send_unix_msg(sockd, buf)))
LOGWARNING("Failed to send %s to socket %s", buf, path);
LOGWARNING("Failed to send %s to socket %s from %s %s:%d", buf,
path, file, func, line);
else
ret = sockd;
out:
if (unlikely(ret == -1))
LOGERR("Failure in send_procmsg");
LOGERR("Failure in send_procmsg from %s %s:%d", file, func, line);
return ret;
}
#define send_procmsg(PI, BUF) _send_procmsg(&(PI), BUF, __FILE__, __func__, __LINE__)
static void api_message(ckpool_t *ckp, char **buf, int *sockd)
{
apimsg_t *apimsg = ckalloc(sizeof(apimsg_t));
@ -429,7 +395,6 @@ retry:
send_unix_msg(sockd, "Invalid");
} else {
ckp->loglevel = loglevel;
broadcast_proc(ckp, buf);
send_unix_msg(sockd, "success");
}
} else if (cmdmatch(buf, "getxfd")) {
@ -495,19 +460,6 @@ out:
return NULL;
}
bool ping_main(ckpool_t *ckp)
{
char *buf;
if (unlikely(kill_pid(ckp->main.pid, 0)))
return false;
buf = send_recv_proc(&ckp->main, "ping");
if (unlikely(!buf))
return false;
free(buf);
return true;
}
void empty_buffer(connsock_t *cs)
{
if (cs->buf)
@ -719,7 +671,7 @@ out:
/* Send a single message to a process instance when there will be no response,
* closing the socket immediately. */
void _send_proc(proc_instance_t *pi, const char *msg, const char *file, const char *func, const int line)
void _send_proc(const proc_instance_t *pi, const char *msg, const char *file, const char *func, const int line)
{
char *path = pi->us.path;
bool ret = false;
@ -735,20 +687,6 @@ void _send_proc(proc_instance_t *pi, const char *msg, const char *file, const ch
goto out;
}
/* At startup the pid fields are not set up before some processes are
* forked so they never inherit them. */
if (unlikely(!pi->pid)) {
pi->pid = get_proc_pid(pi);
if (!pi->pid) {
LOGALERT("Attempting to send message %s to non existent process %s", msg, pi->processname);
return;
}
}
if (unlikely(kill_pid(pi->pid, 0))) {
LOGALERT("Attempting to send message %s to non existent process %s pid %d",
msg, pi->processname, pi->pid);
goto out;
}
sockd = open_unix_client(path);
if (unlikely(sockd < 0)) {
LOGWARNING("Failed to open socket %s", path);
@ -766,7 +704,7 @@ out:
/* Send a single message to a process instance and retrieve the response, then
* close the socket. */
char *_send_recv_proc(proc_instance_t *pi, const char *msg, int writetimeout, int readtimedout,
char *_send_recv_proc(const proc_instance_t *pi, const char *msg, int writetimeout, int readtimedout,
const char *file, const char *func, const int line)
{
char *path = pi->us.path, *buf = NULL;
@ -780,18 +718,6 @@ char *_send_recv_proc(proc_instance_t *pi, const char *msg, int writetimeout, in
LOGERR("Attempted to send null message to socket %s in send_proc", path);
goto out;
}
if (unlikely(!pi->pid)) {
pi->pid = get_proc_pid(pi);
if (!pi->pid)
goto out;
}
if (unlikely(kill_pid(pi->pid, 0))) {
/* Reset the pid value in case we are still looking for an old
* process */
pi->pid = 0;
LOGALERT("Attempting to send message %s to dead process %s", msg, pi->processname);
goto out;
}
sockd = open_unix_client(path);
if (unlikely(sockd < 0)) {
LOGWARNING("Failed to open socket %s in send_recv_proc", path);
@ -1121,20 +1047,6 @@ static void rm_namepid(const proc_instance_t *pi)
unlink(s);
}
/* Disable signal handlers for child processes, but simply pass them onto the
* parent process to shut down cleanly. */
void childsighandler(const int sig)
{
signal(sig, SIG_IGN);
signal(SIGTERM, SIG_IGN);
if (sig != SIGUSR1) {
LOGWARNING("Child process received signal %d, forwarding signal to %s main process",
sig, global_ckp->name);
kill_pid(global_ckp->main.pid, sig);
}
exit(0);
}
static void launch_logger(const proc_instance_t *pi)
{
ckpool_t *ckp = pi->ckp;
@ -1146,78 +1058,10 @@ static void launch_logger(const proc_instance_t *pi)
ckp->logger = create_ckmsgq(ckp, loggername, &proclog);
}
static void launch_process(proc_instance_t *pi)
{
pid_t pid;
pid = fork();
if (pid < 0)
quit(1, "Failed to fork %s in launch_process", pi->processname);
if (!pid) {
struct sigaction handler;
int ret;
json_set_alloc_funcs(json_ckalloc, free);
launch_logger(pi);
handler.sa_handler = &childsighandler;
handler.sa_flags = 0;
sigemptyset(&handler.sa_mask);
sigaction(SIGUSR1, &handler, NULL);
sigaction(SIGTERM, &handler, NULL);
signal(SIGINT, SIG_IGN);
rename_proc(pi->processname);
write_namepid(pi);
ret = pi->process(pi);
close_unix_socket(pi->us.sockd, pi->us.path);
rm_namepid(pi);
exit(ret);
}
pi->pid = pid;
}
static void launch_processes(const ckpool_t *ckp)
{
int i;
for (i = 0; i < ckp->proc_instances; i++)
launch_process(ckp->children[i]);
}
int process_exit(ckpool_t *ckp, const proc_instance_t *pi, int ret)
{
if (ret) {
/* Abnormal termination, kill entire process */
LOGWARNING("%s %s exiting with return code %d, shutting down!",
ckp->name, pi->processname, ret);
send_proc(&ckp->main, "shutdown");
cksleep_ms(100);
ret = 1;
} else /* Should be part of a normal shutdown */
LOGNOTICE("%s %s exited normally", ckp->name, pi->processname);
return ret;
}
static void clean_up(ckpool_t *ckp)
{
int i, children = ckp->proc_instances;
rm_namepid(&ckp->main);
dealloc(ckp->socket_dir);
ckp->proc_instances = 0;
for (i = 0; i < children; i++)
dealloc(ckp->children[i]);
dealloc(ckp->children);
}
static void cancel_join_pthread(pthread_t *pth)
{
if (!pth || !*pth)
return;
pthread_cancel(*pth);
join_pthread(*pth);
pth = NULL;
}
static void cancel_pthread(pthread_t *pth)
@ -1228,54 +1072,15 @@ static void cancel_pthread(pthread_t *pth)
pth = NULL;
}
static void wait_child(const pid_t *pid)
{
int ret;
do {
ret = waitpid(*pid, NULL, 0);
} while (ret != *pid);
}
static void __shutdown_children(ckpool_t *ckp)
{
int i;
cancel_join_pthread(&ckp->pth_watchdog);
/* They never got set up in the first place */
if (!ckp->children)
return;
/* Send the children a SIGUSR1 for them to shutdown gracefully, then
* wait for them to exit and kill them if they don't for 500ms. */
for (i = 0; i < ckp->proc_instances; i++) {
pid_t pid = ckp->children[i]->pid;
kill_pid(pid, SIGUSR1);
if (!ck_completion_timeout(&wait_child, (void *)&pid, 500))
kill_pid(pid, SIGKILL);
}
}
static void shutdown_children(ckpool_t *ckp)
{
cancel_join_pthread(&ckp->pth_watchdog);
__shutdown_children(ckp);
}
static void sighandler(const int sig)
{
ckpool_t *ckp = global_ckp;
signal(sig, SIG_IGN);
signal(SIGTERM, SIG_IGN);
LOGWARNING("Parent process %s received signal %d, shutting down",
LOGWARNING("Process %s received signal %d, shutting down",
ckp->name, sig);
cancel_join_pthread(&ckp->pth_watchdog);
__shutdown_children(ckp);
cancel_pthread(&ckp->pth_listener);
exit(0);
}
@ -1651,7 +1456,7 @@ static void parse_config(ckpool_t *ckp)
json_decref(json_conf);
}
static void manage_old_child(ckpool_t *ckp, proc_instance_t *pi)
static void manage_old_instance(ckpool_t *ckp, proc_instance_t *pi)
{
struct stat statbuf;
char path[256];
@ -1679,85 +1484,13 @@ static void manage_old_child(ckpool_t *ckp, proc_instance_t *pi)
}
}
static proc_instance_t *prepare_child(ckpool_t *ckp, int (*process)(), char *name)
static void prepare_child(ckpool_t *ckp, proc_instance_t *pi, void *process, char *name)
{
proc_instance_t *pi = ckzalloc(sizeof(proc_instance_t));
ckp->children = realloc(ckp->children, sizeof(proc_instance_t *) * (ckp->proc_instances + 1));
ckp->children[ckp->proc_instances++] = pi;
pi->ckp = ckp;
pi->processname = name;
pi->sockname = pi->processname;
pi->process = process;
create_process_unixsock(pi);
manage_old_child(ckp, pi);
/* Remove the old pid file if we've succeeded in coming this far */
rm_namepid(pi);
return pi;
}
static proc_instance_t *child_by_pid(const ckpool_t *ckp, const pid_t pid)
{
proc_instance_t *pi = NULL;
int i;
for (i = 0; i < ckp->proc_instances; i++) {
if (ckp->children[i]->pid == pid) {
pi = ckp->children[i];
break;
}
}
return pi;
}
static void *watchdog(void *arg)
{
#if 0
time_t last_relaunch_t = time(NULL);
#endif
ckpool_t *ckp = (ckpool_t *)arg;
rename_proc("watchdog");
sleep(1);
while (42) {
proc_instance_t *pi;
#if 0
time_t relaunch_t;
#endif
int pid, status;
pid = waitpid(0, &status, 0);
pi = child_by_pid(ckp, pid);
if (pi && WIFEXITED(status)) {
LOGWARNING("Child process %s exited, terminating!", pi->processname);
break;
}
#if 0
/* Don't bother trying to respawn for now since communication
* breakdown between the processes will make them exit. */
relaunch_t = time(NULL);
if (relaunch_t == last_relaunch_t) {
LOGEMERG("Respawning processes too fast, exiting!");
break;
}
last_relaunch_t = relaunch_t;
if (pi) {
LOGERR("%s process dead! Relaunching", pi->processname);
launch_process(pi);
} else {
LOGEMERG("Unknown child process %d dead, exiting!", pid);
break;
}
#else
if (pi)
LOGEMERG("%s process dead, terminating!", pi->processname);
else
LOGEMERG("Unknown child process %d dead, exiting!", pid);
break;
#endif
}
send_proc(&ckp->main, "shutdown");
return NULL;
create_pthread(&pi->pth_process, process, pi);
}
#ifdef USE_CKDB
@ -2130,7 +1863,7 @@ int main(int argc, char **argv)
}
if (!ckp.handover)
manage_old_child(&ckp, &ckp.main);
manage_old_instance(&ckp, &ckp.main);
write_namepid(&ckp.main);
open_process_sock(&ckp, &ckp.main, &ckp.main.us);
launch_logger(&ckp.main);
@ -2150,26 +1883,21 @@ int main(int argc, char **argv)
ckp.ckpapi = create_ckmsgq(&ckp, "api", &ckpool_api);
create_pthread(&ckp.pth_listener, listener, &ckp.main);
/* Launch separate processes from here */
ckp.generator = prepare_child(&ckp, &generator, "generator");
ckp.stratifier = prepare_child(&ckp, &stratifier, "stratifier");
ckp.connector = prepare_child(&ckp, &connector, "connector");
launch_processes(&ckp);
create_pthread(&ckp.pth_watchdog, watchdog, &ckp);
handler.sa_handler = &sighandler;
handler.sa_flags = 0;
sigemptyset(&handler.sa_mask);
sigaction(SIGTERM, &handler, NULL);
sigaction(SIGINT, &handler, NULL);
/* Launch separate processes from here */
prepare_child(&ckp, &ckp.generator, generator, "generator");
prepare_child(&ckp, &ckp.stratifier, stratifier, "stratifier");
prepare_child(&ckp, &ckp.connector, connector, "connector");
/* Shutdown from here if the listener is sent a shutdown message */
if (ckp.pth_listener)
join_pthread(ckp.pth_listener);
shutdown_children(&ckp);
clean_up(&ckp);
return 0;

23
src/ckpool.h
Unescape View File

@ -63,7 +63,7 @@ struct proc_instance {
char *sockname;
int pid;
int oldpid;
int (*process)(proc_instance_t *);
pthread_t pth_process;
/* Linked list of received messages, locking and conditional */
unix_msg_t *unix_msgs;
@ -169,17 +169,14 @@ struct ckpool_instance {
/* API message queue */
ckmsgq_t *ckpapi;
/* Logger message queue NOTE: Unique per process */
/* Logger message queue */
ckmsgq_t *logger;
/* Process instance data of parent/child processes */
proc_instance_t main;
int proc_instances;
proc_instance_t **children;
proc_instance_t *generator;
proc_instance_t *stratifier;
proc_instance_t *connector;
proc_instance_t generator;
proc_instance_t stratifier;
proc_instance_t connector;
/* Threads of main process */
pthread_t pth_listener;
@ -329,11 +326,11 @@ void empty_buffer(connsock_t *cs);
int set_sendbufsize(ckpool_t *ckp, const int fd, const int len);
int set_recvbufsize(ckpool_t *ckp, const int fd, const int len);
int read_socket_line(connsock_t *cs, float *timeout);
void _send_proc(proc_instance_t *pi, const char *msg, const char *file, const char *func, const int line);
#define send_proc(pi, msg) _send_proc(pi, msg, __FILE__, __func__, __LINE__)
char *_send_recv_proc(proc_instance_t *pi, const char *msg, int writetimeout, int readtimedout,
void _send_proc(const proc_instance_t *pi, const char *msg, const char *file, const char *func, const int line);
#define send_proc(pi, msg) _send_proc(&(pi), msg, __FILE__, __func__, __LINE__)
char *_send_recv_proc(const proc_instance_t *pi, const char *msg, int writetimeout, int readtimedout,
const char *file, const char *func, const int line);
#define send_recv_proc(pi, msg) _send_recv_proc(pi, msg, UNIX_WRITE_TIMEOUT, UNIX_READ_TIMEOUT, __FILE__, __func__, __LINE__)
#define send_recv_proc(pi, msg) _send_recv_proc(&(pi), msg, UNIX_WRITE_TIMEOUT, UNIX_READ_TIMEOUT, __FILE__, __func__, __LINE__)
char *_send_recv_ckdb(const ckpool_t *ckp, const char *msg, const char *file, const char *func, const int line);
#define send_recv_ckdb(ckp, msg) _send_recv_ckdb(ckp, msg, __FILE__, __func__, __LINE__)
char *_ckdb_msg_call(const ckpool_t *ckp, const char *msg, const char *file, const char *func,
@ -344,8 +341,6 @@ json_t *json_rpc_call(connsock_t *cs, const char *rpc_req);
bool send_json_msg(connsock_t *cs, const json_t *json_msg);
json_t *json_msg_result(const char *msg, json_t **res_val, json_t **err_val);
void childsighandler(const int sig);
int process_exit(ckpool_t *ckp, const proc_instance_t *pi, int ret);
bool json_get_string(char **store, const json_t *val, const char *res);
bool json_get_int64(int64_t *store, const json_t *val, const char *res);
bool json_get_int(int *store, const json_t *val, const char *res);

8
src/connector.c
Unescape View File

@ -685,7 +685,6 @@ static void *receiver(void *arg)
}
out:
/* We shouldn't get here unless there's an error */
childsighandler(15);
return NULL;
}
@ -794,7 +793,6 @@ static void *sender(void *arg)
mutex_unlock(&cdata->sender_lock);
}
/* We shouldn't get here unless there's an error */
childsighandler(15);
return NULL;
}
@ -1466,13 +1464,15 @@ out:
return ret;
}
int connector(proc_instance_t *pi)
void *connector(void *arg)
{
proc_instance_t *pi = (proc_instance_t *)arg;
cdata_t *cdata = ckzalloc(sizeof(cdata_t));
int threads, sockd, ret = 0, i, tries = 0;
ckpool_t *ckp = pi->ckp;
const int on = 1;
rename_proc(pi->processname);
LOGWARNING("%s connector starting", ckp->name);
ckp->cdata = cdata;
cdata->ckp = ckp;
@ -1591,5 +1591,5 @@ int connector(proc_instance_t *pi)
ret = connector_loop(pi, cdata);
out:
dealloc(ckp->cdata);
return process_exit(ckp, pi, ret);
return NULL;
}

4
src/connector.h
Unescape View File

@ -1,5 +1,5 @@
/*
* Copyright 2014 Con Kolivas
* Copyright 2014-2016 Con Kolivas
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
@ -10,6 +10,6 @@
#ifndef CONNECTOR_H
#define CONNECTOR_H
int connector(proc_instance_t *pi);
void *connector(void *arg);
#endif /* CONNECTOR_H */

64
src/generator.c
Unescape View File

@ -232,9 +232,6 @@ static server_instance_t *live_server(ckpool_t *ckp)
LOGDEBUG("Attempting to connect to bitcoind");
retry:
if (!ping_main(ckp))
goto out;
/* First find a server that is already flagged alive if possible
* without blocking on server_alive() */
for (i = 0; i < ckp->btcds; i++) {
@ -262,7 +259,6 @@ retry:
living:
cs = &alive->cs;
LOGINFO("Connected to live server %s:%s", cs->url, cs->port);
out:
send_proc(ckp->connector, alive ? "accept" : "reject");
return alive;
}
@ -294,7 +290,7 @@ static void clear_unix_msg(unix_msg_t **umsg)
}
}
static int gen_loop(proc_instance_t *pi)
static void gen_loop(proc_instance_t *pi)
{
server_instance_t *si = NULL, *old_si;
unix_msg_t *umsg = NULL;
@ -304,7 +300,6 @@ static int gen_loop(proc_instance_t *pi)
connsock_t *cs;
gbtbase_t *gbt;
char hash[68];
int ret = 0;
reconnect:
clear_unix_msg(&umsg);
@ -329,11 +324,6 @@ retry:
do {
umsg = get_unix_msg(pi);
if (unlikely(!umsg &&!ping_main(ckp))) {
LOGEMERG("Generator failed to ping main process, exiting");
ret = 1;
goto out;
}
} while (!umsg);
if (unlikely(!si->alive)) {
@ -343,10 +333,6 @@ retry:
buf = umsg->buf;
LOGDEBUG("Generator received request: %s", buf);
if (cmdmatch(buf, "shutdown")) {
ret = 0;
goto out;
}
if (cmdmatch(buf, "getbase")) {
if (!gen_gbtbase(cs, gbt)) {
LOGWARNING("Failed to get block template from %s:%s",
@ -418,7 +404,6 @@ retry:
out:
kill_server(si);
return ret;
}
static bool connect_proxy(ckpool_t *ckp, connsock_t *cs, proxy_instance_t *proxy)
@ -2223,9 +2208,6 @@ static proxy_instance_t *wait_best_proxy(ckpool_t *ckp, gdata_t *gdata)
int retries = 0;
while (42) {
if (!ping_main(ckp))
break;
mutex_lock(&gdata->lock);
HASH_ITER(hh, gdata->proxies, proxi, tmp) {
if (proxi->disabled || !proxi->global)
@ -2678,7 +2660,7 @@ static void parse_globaluser(ckpool_t *ckp, gdata_t *gdata, const char *buf)
add_userproxy(ckp, gdata, userid, url, username, pass);
}
static int proxy_loop(proc_instance_t *pi)
static void proxy_loop(proc_instance_t *pi)
{
proxy_instance_t *proxi = NULL, *cproxy;
server_instance_t *si = NULL, *old_si;
@ -2688,7 +2670,6 @@ static int proxy_loop(proc_instance_t *pi)
connsock_t *cs = NULL;
bool started = false;
char *buf = NULL;
int ret = 0;
reconnect:
clear_unix_msg(&umsg);
@ -2724,11 +2705,6 @@ retry:
clear_unix_msg(&umsg);
do {
umsg = get_unix_msg(pi);
if (unlikely(!umsg &&!ping_main(ckp))) {
LOGEMERG("Generator failed to ping main process, exiting");
ret = 1;
goto out;
}
} while (!umsg);
buf = umsg->buf;
@ -2763,9 +2739,6 @@ retry:
parse_proxystats(gdata, umsg->sockd, buf + 11);
} else if (cmdmatch(buf, "globaluser")) {
parse_globaluser(ckp, gdata, buf + 11);
} else if (cmdmatch(buf, "shutdown")) {
ret = 0;
goto out;
} else if (cmdmatch(buf, "reconnect")) {
goto reconnect;
} else if (cmdmatch(buf, "submitblock:")) {
@ -2791,7 +2764,7 @@ retry:
}
goto retry;
out:
return ret;
return;
}
/* Check which servers are alive, maintaining a connection with them and
@ -2849,13 +2822,13 @@ static void setup_servers(ckpool_t *ckp)
create_pthread(&pth_watchdog, server_watchdog, ckp);
}
static int server_mode(ckpool_t *ckp, proc_instance_t *pi)
static void server_mode(ckpool_t *ckp, proc_instance_t *pi)
{
int i, ret;
int i;
setup_servers(ckp);
ret = gen_loop(pi);
gen_loop(pi);
for (i = 0; i < ckp->btcds; i++) {
server_instance_t *si = ckp->servers[i];
@ -2864,7 +2837,6 @@ static int server_mode(ckpool_t *ckp, proc_instance_t *pi)
dealloc(si);
}
dealloc(ckp->servers);
return ret;
}
static proxy_instance_t *__add_proxy(ckpool_t *ckp, gdata_t *gdata, const int id)
@ -2888,11 +2860,11 @@ static proxy_instance_t *__add_proxy(ckpool_t *ckp, gdata_t *gdata, const int id
return proxy;
}
static int proxy_mode(ckpool_t *ckp, proc_instance_t *pi)
static void proxy_mode(ckpool_t *ckp, proc_instance_t *pi)
{
gdata_t *gdata = ckp->gdata;
proxy_instance_t *proxy;
int i, ret;
int i;
mutex_init(&gdata->lock);
mutex_init(&gdata->notify_lock);
@ -2916,17 +2888,16 @@ static int proxy_mode(ckpool_t *ckp, proc_instance_t *pi)
}
}
ret = proxy_loop(pi);
return ret;
proxy_loop(pi);
}
int generator(proc_instance_t *pi)
void *generator(void *arg)
{
proc_instance_t *pi = (proc_instance_t *)arg;
ckpool_t *ckp = pi->ckp;
gdata_t *gdata;
int ret;
rename_proc(pi->processname);
LOGWARNING("%s generator starting", ckp->name);
gdata = ckzalloc(sizeof(gdata_t));
ckp->gdata = gdata;
@ -2938,18 +2909,13 @@ int generator(proc_instance_t *pi)
/* Wait for the stratifier to be ready for us */
do {
if (!ping_main(ckp)) {
ret = 1;
goto out;
}
cksleep_ms(10);
buf = send_recv_proc(ckp->stratifier, "ping");
} while (!buf);
dealloc(buf);
ret = proxy_mode(ckp, pi);
proxy_mode(ckp, pi);
} else
ret = server_mode(ckp, pi);
out:
server_mode(ckp, pi);
dealloc(ckp->gdata);
return process_exit(ckp, pi, ret);
return NULL;
}

4
src/generator.h
Unescape View File

@ -1,5 +1,5 @@
/*
* Copyright 2014 Con Kolivas
* Copyright 2014-2016 Con Kolivas
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
@ -12,6 +12,6 @@
#include "config.h"
int generator(proc_instance_t *pi);
void *generator(void *arg);
#endif /* GENERATOR_H */

31
src/stratifier.c
Unescape View File

@ -1074,7 +1074,7 @@ static char *__send_recv_generator(ckpool_t *ckp, const char *msg, const int pri
set = true;
} else
set = false;
buf = _send_recv_proc(ckp->generator, msg, UNIX_WRITE_TIMEOUT, RPC_TIMEOUT, __FILE__, __func__, __LINE__);
buf = _send_recv_proc(&ckp->generator, msg, UNIX_WRITE_TIMEOUT, RPC_TIMEOUT, __FILE__, __func__, __LINE__);
if (unlikely(!buf))
buf = strdup("failed");
if (set)
@ -3937,7 +3937,7 @@ static void ckdbq_flush(sdata_t *sdata)
LOGWARNING("Flushed %d messages from ckdb queue", flushed);
}
static int stratum_loop(ckpool_t *ckp, proc_instance_t *pi)
static void stratum_loop(ckpool_t *ckp, proc_instance_t *pi)
{
sdata_t *sdata = ckp->sdata;
unix_msg_t *umsg = NULL;
@ -3968,11 +3968,6 @@ retry:
}
umsg = get_unix_msg(pi);
if (unlikely(!umsg &&!ping_main(ckp))) {
LOGEMERG("Stratifier failed to ping main process, exiting");
ret = 1;
goto out;
}
} while (!umsg);
buf = umsg->buf;
@ -4060,10 +4055,7 @@ retry:
Close(umsg->sockd);
LOGDEBUG("Stratifier received request: %s", buf);
if (cmdmatch(buf, "shutdown")) {
ret = 0;
goto out;
} else if (cmdmatch(buf, "update")) {
if (cmdmatch(buf, "update")) {
update_base(ckp, GEN_PRIORITY);
} else if (cmdmatch(buf, "subscribe")) {
/* Proxifier has a new subscription */
@ -4106,9 +4098,6 @@ retry:
} else
LOGWARNING("Unhandled stratifier message: %s", buf);
goto retry;
out:
return ret;
}
static void *blockupdate(void *arg)
@ -7519,15 +7508,17 @@ static bool script_address(const char *btcaddress)
return btcaddress[0] == '3';
}
int stratifier(proc_instance_t *pi)
void *stratifier(void *arg)
{
proc_instance_t *pi = (proc_instance_t *)arg;
pthread_t pth_blockupdate, pth_statsupdate, pth_heartbeat;
ckpool_t *ckp = pi->ckp;
int ret = 1, threads;
int64_t randomiser;
char *buf = NULL;
sdata_t *sdata;
int threads;
rename_proc(pi->processname);
LOGWARNING("%s stratifier starting", ckp->name);
sdata = ckzalloc(sizeof(sdata_t));
ckp->sdata = sdata;
@ -7536,10 +7527,6 @@ int stratifier(proc_instance_t *pi)
/* Wait for the generator to have something for us */
do {
if (!ping_main(ckp)) {
ret = 1;
goto out;
}
if (ckp->proxy)
break;
buf = send_recv_proc(ckp->generator, "ping");
@ -7622,7 +7609,7 @@ int stratifier(proc_instance_t *pi)
LOGWARNING("%s stratifier ready", ckp->name);
ret = stratum_loop(ckp, pi);
stratum_loop(ckp, pi);
out:
if (ckp->proxy) {
proxy_t *proxy, *tmpproxy;
@ -7635,5 +7622,5 @@ out:
mutex_unlock(&sdata->proxy_lock);
}
dealloc(ckp->sdata);
return process_exit(ckp, pi, ret);
return NULL;
}

4
src/stratifier.h
Unescape View File

@ -1,5 +1,5 @@
/*
* Copyright 2014 Con Kolivas
* Copyright 2014-2016 Con Kolivas
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
@ -10,6 +10,6 @@
#ifndef STRATIFIER_H
#define STRATIFIER_H
int stratifier(proc_instance_t *pi);
void *stratifier(void *arg);
#endif /* STRATIFIER_H */

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