mirror of
https://github.com/haiwen/ccnet-server.git
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Initial commit of Ccnet server.
This commit is contained in:
Jiaqiang Xu
353
lib/processor.c
Normal file
353
lib/processor.c
Normal file
@@ -0,0 +1,353 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "include.h"
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#include <pthread.h>
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#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
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#include <event2/event.h>
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#else
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#include <event.h>
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#endif
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#include "ccnet-client.h"
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#include "processor.h"
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#include "proc-factory.h"
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#include "timer.h"
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#include "peer.h"
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#include "job-mgr.h"
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G_DEFINE_TYPE (CcnetProcessor, ccnet_processor, G_TYPE_OBJECT);
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static void default_shutdown (CcnetProcessor *processor);
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static void default_release_resource (CcnetProcessor *processor);
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enum {
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DONE_SIG, /* connection down */
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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static void
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ccnet_processor_class_init (CcnetProcessorClass *klass)
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{
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/* GObjectClass *gobject_class = G_OBJECT_CLASS (klass); */
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klass->start = NULL;
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klass->handle_update = NULL;
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klass->handle_response = NULL;
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klass->shutdown = default_shutdown;
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klass->release_resource = default_release_resource;
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signals[DONE_SIG] =
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g_signal_new ("done", CCNET_TYPE_PROCESSOR,
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G_SIGNAL_RUN_LAST,
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0, /* no class singal handler */
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NULL, NULL, /* no accumulator */
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g_cclosure_marshal_VOID__BOOLEAN,
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G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
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}
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static void
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ccnet_processor_init (CcnetProcessor *processor)
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{
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}
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int ccnet_processor_start (CcnetProcessor *processor, int argc, char **argv)
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{
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if (!processor->session->connected) {
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g_warning ("[proc] Not connected to daemon.\n");
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return -1;
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}
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processor->failure = PROC_NOTSET;
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return CCNET_PROCESSOR_GET_CLASS (processor)->start (processor, argc, argv);
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}
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int ccnet_processor_startl (CcnetProcessor *processor, ...)
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{
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va_list ap;
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int argc = 0;
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char **argv = g_malloc (sizeof(char *) * 10);
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char *arg;
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int max = 10;
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int ret;
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va_start (ap, processor);
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arg = va_arg (ap, char *);
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while (arg) {
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if (argc >= max) {
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max *= 2;
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argv = realloc (argv, sizeof(char *) * max);
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}
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argv[argc++] = arg;
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arg = va_arg (ap, char *);
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}
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va_end (ap);
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ret = ccnet_processor_start (processor, argc, argv);
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g_free (argv);
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return ret;
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}
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static void default_shutdown (CcnetProcessor *processor)
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{
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}
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static void default_release_resource(CcnetProcessor *processor)
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{
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g_free (processor->name);
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g_free (processor->peer_id);
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if (processor->timer)
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ccnet_timer_free (&processor->timer);
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}
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/* should be called before recycle */
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void
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ccnet_processor_release_resource(CcnetProcessor *processor)
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{
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CCNET_PROCESSOR_GET_CLASS (processor)->release_resource(processor);
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}
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void
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ccnet_processor_done (CcnetProcessor *processor,
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gboolean success)
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{
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if (processor->thread_running) {
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processor->delay_shutdown = TRUE;
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processor->was_success = success;
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return;
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}
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if (processor->state == STATE_IN_SHUTDOWN) {
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return;
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}
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processor->state = STATE_IN_SHUTDOWN;
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if (processor->failure == PROC_NOTSET && success)
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processor->failure = PROC_DONE;
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g_debug ("[proc] Processor %s(%d) done %d\n", GET_PNAME(processor),
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PRINT_ID(processor->id), success);
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/* Notify */
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if (!IS_SLAVE (processor) && success) {
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ccnet_processor_send_update (processor, SC_PROC_DONE, SS_PROC_DONE,
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NULL, 0);
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}
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g_signal_emit (processor, signals[DONE_SIG], 0, success);
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ccnet_client_remove_processor (processor->session, processor);
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ccnet_processor_release_resource (processor);
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ccnet_proc_factory_recycle (processor->session->proc_factory, processor);
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}
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void ccnet_processor_handle_update (CcnetProcessor *processor,
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char *code, char *code_msg,
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char *content, int clen)
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{
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g_object_ref (processor);
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processor->is_active = TRUE;
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if (code[0] == '5') {
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ccnet_debug ("[Proc] Shutdown processor %s(%d) for bad update: %s %s\n",
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GET_PNAME(processor), PRINT_ID(processor->id),
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code, code_msg);
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if (memcmp(code, SC_UNKNOWN_SERVICE, 3) == 0)
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processor->failure = PROC_NO_SERVICE;
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else if (memcmp(code, SC_PERM_ERR, 3) == 0)
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processor->failure = PROC_PERM_ERR;
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else if (memcmp(code, SC_NETDOWN, 3) == 0)
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processor->failure = PROC_REMOTE_DEAD;
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else
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processor->failure = PROC_BAD_RESP;
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ccnet_processor_done (processor, FALSE);
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return;
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}
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if (strncmp (code, SC_PROC_KEEPALIVE, 3) == 0) {
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ccnet_processor_send_response (processor, SC_PROC_ALIVE,
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SS_PROC_ALIVE, NULL, 0);
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} else if (strncmp (code, SC_PROC_DEAD, 3) == 0) {
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ccnet_debug ("[proc] Shutdown processor %s(%d) when peer(%.8s) processor is dead\n",
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GET_PNAME(processor), PRINT_ID(processor->id),
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processor->peer_id);
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processor->failure = PROC_REMOTE_DEAD;
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ccnet_processor_done (processor, FALSE);
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} else if (strncmp (code, SC_PROC_DONE, 3) == 0) {
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ccnet_debug ("[proc] Shutdown processor when receive 103: service done\n");
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ccnet_processor_done (processor, TRUE);
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} else {
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CCNET_PROCESSOR_GET_CLASS (processor)->handle_update (processor,
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code, code_msg,
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content, clen);
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}
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processor->is_active = FALSE;
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g_object_unref (processor);
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}
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void ccnet_processor_handle_response (CcnetProcessor *processor,
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char *code, char *code_msg,
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char *content, int clen)
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{
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g_return_if_fail (CCNET_PROCESSOR_GET_CLASS(processor)->handle_response != NULL);
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g_object_ref (processor);
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processor->is_active = TRUE;
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if (code[0] == '5') {
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ccnet_debug ("[Proc] Shutdown processor %s(%d) for bad response: %s %s from %s\n",
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GET_PNAME(processor), PRINT_ID(processor->id),
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code, code_msg, processor->peer_id);
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if (memcmp(code, SC_UNKNOWN_SERVICE, 3) == 0)
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processor->failure = PROC_NO_SERVICE;
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else if (memcmp(code, SC_PERM_ERR, 3) == 0)
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processor->failure = PROC_PERM_ERR;
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else if (memcmp(code, SC_NETDOWN, 3) == 0)
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processor->failure = PROC_REMOTE_DEAD;
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else
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processor->failure = PROC_BAD_RESP;
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ccnet_processor_done (processor, FALSE);
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return;
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}
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if (strncmp (code, SC_PROC_KEEPALIVE, 3) == 0) {
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ccnet_processor_send_update (processor, SC_PROC_ALIVE,
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SS_PROC_ALIVE, NULL, 0);
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} else if (strncmp (code, SC_PROC_DEAD, 3) == 0) {
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ccnet_debug ("[proc] Shutdown processor %s(%d) when peer(%.8s) processor is dead\n",
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GET_PNAME(processor), PRINT_ID(processor->id),
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processor->peer_id);
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processor->failure = PROC_REMOTE_DEAD;
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ccnet_processor_done (processor, FALSE);
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} else {
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CCNET_PROCESSOR_GET_CLASS (processor)->handle_response (processor,
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code, code_msg,
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content, clen);
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}
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processor->is_active = FALSE;
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g_object_unref (processor);
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}
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void ccnet_processor_handle_sigchld (CcnetProcessor *processor, int status)
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{
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CCNET_PROCESSOR_GET_CLASS (processor)->handle_sigchld (processor,
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status);
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}
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void
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ccnet_processor_send_request (CcnetProcessor *processor,
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const char *request)
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{
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ccnet_client_send_request (processor->session,
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REQUEST_ID (processor->id),
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request);
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}
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void
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ccnet_processor_send_request_l (CcnetProcessor *processor, ...)
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{
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va_list ap;
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GString *buf = g_string_new(NULL);
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char *arg;
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va_start (ap, processor);
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arg = va_arg (ap, char *);
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while (arg) {
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g_string_append (buf, arg);
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arg = va_arg (ap, char *);
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}
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va_end (ap);
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ccnet_client_send_request (processor->session,
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REQUEST_ID (processor->id),
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buf->str);
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g_string_free (buf, TRUE);
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}
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void
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ccnet_processor_send_update(CcnetProcessor *processor,
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const char *code,
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const char *code_msg,
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const char *content, int clen)
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{
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ccnet_client_send_update (processor->session, UPDATE_ID(processor->id),
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code, code_msg, content, clen);
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}
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void
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ccnet_processor_send_response(CcnetProcessor *processor,
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const char *code,
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const char *code_msg,
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const char *content, int clen)
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{
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ccnet_client_send_response (processor->session, RESPONSE_ID(processor->id),
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code, code_msg, content, clen);
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}
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typedef struct ProcThreadData {
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CcnetProcessor *proc;
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ProcThreadFunc func;
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void *data;
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ProcThreadDoneFunc done_func;
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void *result;
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} ProcThreadData;
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static void
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processor_thread_done (void *vdata)
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{
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ProcThreadData *tdata = vdata;
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tdata->proc->thread_running = FALSE;
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if (tdata->proc->delay_shutdown)
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ccnet_processor_done (tdata->proc, tdata->proc->was_success);
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else
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tdata->done_func (tdata->result);
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g_free (tdata);
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}
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static void *
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processor_thread_func_wrapper (void *vdata)
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{
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ProcThreadData *tdata = vdata;
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tdata->result = tdata->func (tdata->data);
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return vdata;
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}
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int
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ccnet_processor_thread_create (CcnetProcessor *processor,
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CcnetJobManager *job_mgr,
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ProcThreadFunc func,
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ProcThreadDoneFunc done_func,
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void *data)
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{
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ProcThreadData *tdata;
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tdata = g_new(ProcThreadData, 1);
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tdata->proc = processor;
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tdata->func = func;
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tdata->done_func = done_func;
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tdata->data = data;
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ccnet_job_manager_schedule_job (job_mgr ? job_mgr : processor->session->job_mgr,
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processor_thread_func_wrapper,
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processor_thread_done,
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tdata);
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processor->thread_running = TRUE;
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return 0;
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}
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