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/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* 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 Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ipctransient.h>
#define MAX_MESSAGES 3
static char *messages[MAX_MESSAGES];
IPC_Message *create_simple_message(const char *text, IPC_Channel *ch);
IPC_Channel *init_client_ipctest_comms(
const char *child, gboolean (*dispatch)(
IPC_Channel* source_data, gpointer user_data),
void *user_data);
gboolean transient_client_callback(IPC_Channel* server, void* private_data);
void client_send_message(
const char *message_text, IPC_Channel *server_channel, int iteration);
#define MAXTSTMSG 1000
int
main(int argc, char ** argv)
{
int lpc =0, iteration=0;
GMainLoop* client_main = NULL;
IPC_Channel *server_channel = NULL;
trans_getargs(argc, argv);
cl_log_set_entity(procname);
cl_log_enable_stderr(TRUE);
/* give the server a chance to start */
cl_log(LOG_INFO, "#--#--#--#--# Beginning test run %d against server %d...", lpc, iteration);
client_main = g_main_new(FALSE);
/* connect, send messages */
server_channel = init_client_ipctest_comms("echo", transient_client_callback, client_main);
if(server_channel == NULL) {
cl_log(LOG_ERR, "[Client %d] Could not connect to server", lpc);
return 1;
}
for(lpc = 0; lpc < MAX_MESSAGES; lpc++) {
messages[lpc] = (char *)malloc(sizeof(char)*MAXTSTMSG);
}
snprintf(messages[0], MAXTSTMSG
, "%s_%ld%c", "hello", (long)getpid(), '\0');
snprintf(messages[1], MAXTSTMSG
, "%s_%ld%c", "hello_world", (long)getpid(), '\0');
snprintf(messages[2], MAXTSTMSG
, "%s_%ld%c", "hello_world_again", (long)getpid(), '\0');
for(lpc = 0; lpc < MAX_MESSAGES; lpc++) {
client_send_message(messages[lpc], server_channel, lpc);
}
server_channel->ops->waitout(server_channel);
/* wait for the reply by creating a mainloop and running it until
* the callbacks are invoked...
*/
cl_log(LOG_DEBUG, "Waiting for replies from the echo server");
g_main_run(client_main);
cl_log(LOG_INFO, "[Iteration %d] Client %d completed successfully", iteration, lpc);
return 0;
}
IPC_Channel *
init_client_ipctest_comms(const char *child,
gboolean (*dispatch)(IPC_Channel* source_data
,gpointer user_data),
void *user_data)
{
IPC_Channel *ch;
GHashTable * attrs;
int local_sock_len = 2; /* 2 = '/' + '\0' */
char *commpath = NULL;
static char path[] = IPC_PATH_ATTR;
local_sock_len += strlen(child);
local_sock_len += strlen(commdir);
commpath = (char*)malloc(sizeof(char)*local_sock_len);
if (commpath == NULL){
cl_log(LOG_ERR, "%s: allocating memory failed", __FUNCTION__);
return NULL;
}
sprintf(commpath, "%s/%s", commdir, child);
commpath[local_sock_len - 1] = '\0';
cl_log(LOG_DEBUG, "[Client] Attempting to talk on: %s", commpath);
attrs = g_hash_table_new(g_str_hash,g_str_equal);
g_hash_table_insert(attrs, path, commpath);
ch = ipc_channel_constructor(IPC_ANYTYPE, attrs);
g_hash_table_destroy(attrs);
if (ch == NULL) {
cl_log(LOG_ERR, "[Client] Could not access channel on: %s", commpath);
return NULL;
} else if(ch->ops->initiate_connection(ch) != IPC_OK) {
cl_log(LOG_ERR, "[Client] Could not init comms on: %s", commpath);
return NULL;
}
G_main_add_IPC_Channel(G_PRIORITY_LOW,
ch, FALSE, dispatch, user_data,
default_ipctest_input_destroy);
return ch;
}
gboolean
transient_client_callback(IPC_Channel* server, void* private_data)
{
int lpc = 0;
IPC_Message *msg = NULL;
char *buffer = NULL;
static int received_responses = 0;
GMainLoop *mainloop = (GMainLoop*)private_data;
while(server->ops->is_message_pending(server) == TRUE) {
if (server->ch_status == IPC_DISCONNECT) {
/* The message which was pending for us is the
* new status of IPC_DISCONNECT */
break;
}
if(server->ops->recv(server, &msg) != IPC_OK) {
cl_log(LOG_ERR, "[Client] Error while invoking recv()");
perror("[Client] Receive failure:");
return FALSE;
}
if (msg != NULL) {
buffer = (char*)msg->msg_body;
cl_log(LOG_DEBUG, "[Client] Got text [text=%s]", buffer);
received_responses++;
if(lpc < MAX_MESSAGES && strcmp(messages[lpc], buffer) != 0)
{
cl_log(LOG_ERR, "[Client] Received someone else's message [%s] instead of [%s]", buffer, messages[lpc]);
}
else if(lpc >= MAX_MESSAGES)
{
cl_log(LOG_ERR, "[Client] Receivedan extra message [%s]", buffer);
}
lpc++;
msg->msg_done(msg);
} else {
cl_log(LOG_ERR, "[Client] No message this time");
}
}
if(server->ch_status == IPC_DISCONNECT) {
cl_log(LOG_ERR, "[Client] Client received HUP");
return FALSE;
}
cl_log(LOG_DEBUG, "[Client] Processed %d IPC messages this time, %d total", lpc, received_responses);
if(received_responses > 2) {
cl_log(LOG_INFO, "[Client] Processed %d IPC messages, all done.", received_responses);
received_responses = 0;
g_main_quit(mainloop);
cl_log(LOG_INFO, "[Client] Exiting.");
return FALSE;
}
return TRUE;
}
void
client_send_message(const char *message_text,
IPC_Channel *server_channel,
int iteration)
{
IPC_Message *a_message = NULL;
if(server_channel->ch_status != IPC_CONNECT) {
cl_log(LOG_WARNING, "[Client %d] Channel is in state %d before sending message [%s]",
iteration, server_channel->ch_status, message_text);
return;
}
a_message = create_simple_message(message_text, server_channel);
if(a_message == NULL) {
cl_log(LOG_ERR, "Could not create message to send");
} else {
cl_log(LOG_DEBUG, "[Client %d] Sending message: %s", iteration, (char*)a_message->msg_body);
while(server_channel->ops->send(server_channel, a_message) == IPC_FAIL) {
cl_log(LOG_ERR, "[Client %d] IPC channel is blocked", iteration);
cl_shortsleep();
}
if(server_channel->ch_status != IPC_CONNECT) {
cl_log(LOG_WARNING,
"[Client %d] Channel is in state %d after sending message [%s]",
iteration, server_channel->ch_status, message_text);
}
}
}
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