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add esl and fs_cli

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10890 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-12-20 00:35:09 +00:00
parent 405fcce556
commit 0f12bc31cc
9 changed files with 1981 additions and 0 deletions
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26
libs/esl/Makefile Normal file
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PWD=$(shell pwd)
INCS=-I$(PWD)/src/include
LIBEDIT_DIR=../../libs/libedit
CFLAGS=$(INCS) -g -ggdb -I$(LIBEDIT_DIR)/src/
MYLIB=libesl.a
OBJS=src/esl.o src/esl_event.o src/esl_threadmutex.o
all: $(MYLIB) fs_cli
$(MYLIB): $(OBJS) $(HEADERS)
ar rcs $(MYLIB) $(OBJS)
ranlib $(MYLIB)
%.o: %.c
$(CC) $(CC_CFLAGS) $(CFLAGS) -c $< -o $@
test: $(MYLIB)
$(CC) $(CC_CFLAGS) $(CFLAGS) testclient.c -o testclient -L. -lesl
fs_cli: $(MYLIB) fs_cli.c
$(CC) $(CC_CFLAGS) $(CFLAGS) fs_cli.c -o fs_cli -L. -L$(LIBEDIT_DIR)/src/.libs -lesl -ledit -lncurses -lpthread
clean:
rm -f *.o src/*.o testclient fs_cli libesl.a *~ src/*~ src/include/*~

245
libs/esl/fs_cli.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <esl.h>
#include <signal.h>
#include <sys/select.h>
#include <histedit.h>
static char prompt_str[512] = "";
static char hostname[512] = "";
char *prompt(EditLine * e)
{
if (*prompt_str == '\0') {
gethostname(hostname, sizeof(hostname));
snprintf(prompt_str, sizeof(prompt_str), "freeswitch@%s> ", hostname);
}
return prompt_str;
}
static EditLine *el;
static History *myhistory;
static HistEvent ev;
static char *hfile = NULL;
static int running = 1;
static int thread_running = 0;
static esl_mutex_t *global_mutex;
static void handle_SIGINT(int sig)
{
if (sig);
return;
}
static const char* COLORS[] = { ESL_SEQ_DEFAULT_COLOR, ESL_SEQ_FRED, ESL_SEQ_FRED,
ESL_SEQ_FRED, ESL_SEQ_FMAGEN, ESL_SEQ_FCYAN, ESL_SEQ_FGREEN, ESL_SEQ_FYELLOW };
static void *msg_thread_run(esl_thread_t *me, void *obj)
{
esl_handle_t *handle = (esl_handle_t *) obj;
thread_running = 1;
while(thread_running && handle->connected) {
fd_set rfds, efds;
struct timeval tv = { 0, 50 * 1000 };
int max, activity, i = 0;
esl_mutex_lock(global_mutex);
FD_ZERO(&rfds);
FD_ZERO(&efds);
FD_SET(handle->sock, &rfds);
FD_SET(handle->sock, &efds);
max = handle->sock + 1;
if ((activity = select(max, &rfds, NULL, &efds, &tv)) < 0) {
esl_mutex_unlock(global_mutex);
goto done;
}
if (activity && FD_ISSET(handle->sock, &rfds)) {
esl_recv(handle);
if (handle->last_event) {
const char *type = esl_event_get_header(handle->last_event, "content-type");
if (!strcasecmp(type, "log/data")) {
int level;
if (strstr(handle->last_event->body, "[CONSOLE]")) {
level = 0;
} else if (strstr(handle->last_event->body, "[ALERT]")) {
level = 1;
} else if (strstr(handle->last_event->body, "[CRIT]")) {
level = 2;
} else if (strstr(handle->last_event->body, "[ERROR]")) {
level = 3;
} else if (strstr(handle->last_event->body, "[WARNING]")) {
level = 4;
} else if (strstr(handle->last_event->body, "[NOTICE]")) {
level = 5;
} else if (strstr(handle->last_event->body, "[INFO]")) {
level = 6;
} else if (strstr(handle->last_event->body, "[DEBUG]")) {
level = 7;
}
printf("%s%s%s", COLORS[level], handle->last_event->body, ESL_SEQ_DEFAULT_COLOR);
}
}
}
esl_mutex_unlock(global_mutex);
usleep(1000);
}
done:
thread_running = 0;
return NULL;
}
static int process_command(esl_handle_t *handle, const char *cmd)
{
if (!strcasecmp(cmd, "exit")) {
return -1;
}
if (!strncasecmp(cmd, "loglevel", 8)) {
const char *level = cmd + 8;
while(*level == ' ') level++;
if (!esl_strlen_zero(level)) {
char cb[128] = "";
snprintf(cb, sizeof(cb), "log %s\n\n", level);
esl_mutex_lock(global_mutex);
esl_send_recv(handle, cb);
printf("%s\n", handle->last_reply);
esl_mutex_unlock(global_mutex);
}
goto end;
}
printf("Unknown command [%s]\n", cmd);
end:
return 0;
}
int main(void)
{
esl_handle_t handle = {0};
int count;
const char *line;
char cmd_str[1024] = "";
char hfile[512] = "/tmp/fs_cli_history";
char *home = getenv("HOME");
if (home) {
snprintf(hfile, sizeof(hfile), "%s/.fs_cli_history", home);
}
esl_mutex_create(&global_mutex);
signal(SIGINT, handle_SIGINT);
gethostname(hostname, sizeof(hostname));
handle.debug = 0;
// um ya add some command line parsing for host port and pass
if (esl_connect(&handle, "localhost", 8021, "ClueCon")) {
printf("Error Connecting [%s]\n", handle.err);
goto done;
}
esl_thread_create_detached(msg_thread_run, &handle);
el = el_init(__FILE__, stdout, stdout, stdout);
el_set(el, EL_PROMPT, &prompt);
el_set(el, EL_EDITOR, "emacs");
myhistory = history_init();
if (myhistory == 0) {
fprintf(stderr, "history could not be initialized\n");
goto done;
}
history(myhistory, &ev, H_SETSIZE, 800);
el_set(el, EL_HIST, history, myhistory);
history(myhistory, &ev, H_LOAD, hfile);
snprintf(cmd_str, sizeof(cmd_str), "log info\n\n");
esl_mutex_lock(global_mutex);
esl_send_recv(&handle, cmd_str);
esl_mutex_unlock(global_mutex);
while (running) {
line = el_gets(el, &count);
if (count > 1) {
if (!esl_strlen_zero(line)) {
char *cmd = strdup(line);
char *p;
const LineInfo *lf = el_line(el);
char *foo = (char *) lf->buffer;
if ((p = strrchr(cmd, '\r')) || (p = strrchr(cmd, '\n'))) {
*p = '\0';
}
assert(cmd != NULL);
history(myhistory, &ev, H_ENTER, line);
if (!strncasecmp(cmd, "...", 3)) {
goto done;
} else if (*cmd == '/') {
if (process_command(&handle, cmd + 1)) {
running = 0;
}
} else {
snprintf(cmd_str, sizeof(cmd_str), "api %s\n\n", cmd);
esl_mutex_lock(global_mutex);
esl_send_recv(&handle, cmd_str);
printf("%s\n", handle.last_event->body);
esl_mutex_unlock(global_mutex);
}
el_deletestr(el, strlen(foo) + 1);
memset(foo, 0, strlen(foo));
free(cmd);
}
}
usleep(1000);
}
done:
history(myhistory, &ev, H_SAVE, hfile);
/* Clean up our memory */
history_end(myhistory);
el_end(el);
esl_disconnect(&handle);
thread_running = 0;
esl_mutex_destroy(&global_mutex);
return 0;
}

333
libs/esl/src/esl.c Normal file
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/*
* Copyright (c) 2007, Anthony Minessale II
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the original author; nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <esl.h>
#ifndef HAVE_GETHOSTBYNAME_R
extern int gethostbyname_r (const char *__name,
struct hostent *__result_buf,
char *__buf, size_t __buflen,
struct hostent **__result,
int *__h_errnop);
#endif
size_t esl_url_encode(const char *url, char *buf, size_t len)
{
const char *p;
size_t x = 0;
const char urlunsafe[] = "\r\n \"#%&+:;<=>?@[\\]^`{|}";
const char hex[] = "0123456789ABCDEF";
if (!buf) {
return 0;
}
if (!url) {
return 0;
}
len--;
for (p = url; *p; p++) {
if (x >= len) {
break;
}
if (*p < ' ' || *p > '~' || strchr(urlunsafe, *p)) {
if ((x + 3) >= len) {
break;
}
buf[x++] = '%';
buf[x++] = hex[*p >> 4];
buf[x++] = hex[*p & 0x0f];
} else {
buf[x++] = *p;
}
}
buf[x] = '\0';
return x;
}
char *esl_url_decode(char *s)
{
char *o;
unsigned int tmp;
for (o = s; *s; s++, o++) {
if (*s == '%' && strlen(s) > 2 && sscanf(s + 1, "%2x", &tmp) == 1) {
*o = (char) tmp;
s += 2;
} else {
*o = *s;
}
}
*o = '\0';
return s;
}
esl_status_t esl_connect(esl_handle_t *handle, const char *host, esl_port_t port, const char *password)
{
struct hostent *result;
char sendbuf[256];
char recvbuf[256];
int rval;
const char *hval;
handle->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (handle->sock == ESL_SOCK_INVALID) {
snprintf(handle->err, sizeof(handle->err), "Socket Error");
return ESL_FAIL;
}
memset(&handle->sockaddr, 0, sizeof(handle->sockaddr));
handle->sockaddr.sin_family = AF_INET;
handle->sockaddr.sin_port = htons(port);
memset(&handle->hostent, 0, sizeof(handle->hostent));
#ifdef HAVE_GETHOSTBYNAME_R_FIVE
rval = gethostbyname_r(host, &handle->hostent, handle->hostbuf, sizeof(handle->hostbuf), &handle->errno);
result = handle->hostent;
#else
rval = gethostbyname_r(host, &handle->hostent, handle->hostbuf, sizeof(handle->hostbuf), &result, &handle->errno);
#endif
if (rval) {
strerror_r(handle->errno, handle->err, sizeof(handle->err));
goto fail;
}
memcpy(&handle->sockaddr.sin_addr, result->h_addr, result->h_length);
rval = connect(handle->sock, (struct sockaddr *) &handle->sockaddr, sizeof(handle->sockaddr));
if (rval) {
strerror_r(handle->errno, handle->err, sizeof(handle->err));
goto fail;
}
if (esl_recv(handle)) {
snprintf(handle->err, sizeof(handle->err), "Connection Error");
goto fail;
}
hval = esl_event_get_header(handle->last_event, "content-type");
if (strcasecmp(hval, "auth/request")) {
snprintf(handle->err, sizeof(handle->err), "Connection Error");
goto fail;
}
snprintf(sendbuf, sizeof(sendbuf), "auth %s\n\n", password);
esl_send(handle, sendbuf);
if (esl_recv(handle)) {
snprintf(handle->err, sizeof(handle->err), "Connection Error");
goto fail;
}
hval = esl_event_get_header(handle->last_event, "reply-text");
if (strcasecmp(hval, "+OK accepted")) {
snprintf(handle->err, sizeof(handle->err), "Connection Error");
goto fail;
}
handle->connected = 1;
return ESL_SUCCESS;
fail:
esl_disconnect(handle);
return ESL_FAIL;
}
esl_status_t esl_disconnect(esl_handle_t *handle)
{
esl_event_safe_destroy(&handle->last_event);
if (handle->sock != ESL_SOCK_INVALID) {
close(handle->sock);
handle->sock = ESL_SOCK_INVALID;
return ESL_SUCCESS;
}
handle->connected = 0;
return ESL_FAIL;
}
esl_status_t esl_recv(esl_handle_t *handle)
{
char *c;
esl_ssize_t rrval;
int crc = 0;
esl_event_t *revent = NULL;
char *beg;
char *hname, *hval;
char *col;
char *cl;
ssize_t len;
esl_event_safe_destroy(&handle->last_event);
memset(handle->header_buf, 0, sizeof(handle->header_buf));
c = handle->header_buf;
beg = c;
for(;;) {
rrval = recv(handle->sock, c, 1, 0);
if (rrval < 0) {
strerror_r(handle->errno, handle->err, sizeof(handle->err));
goto fail;
} else if (rrval > 0) {
if (*c == '\n') {
if (++crc == 2) {
break;
}
if (!revent) {
esl_event_create(&revent, ESL_EVENT_COMMAND);
}
hname = beg;
hval = col = NULL;
if (hname && (col = strchr(hname, ':'))) {
hval = col + 1;
*col = '\0';
while(*hval == ' ') hval++;
}
*c = '\0';
if (hname && hval) {
if (handle->debug > 1) {
printf("RECV HEADER [%s] = [%s]\n", hname, hval);
}
esl_event_add_header_string(revent, ESL_STACK_BOTTOM, hname, hval);
}
beg = c+1;
} else {
crc = 0;
}
c++;
}
}
if (!revent) {
goto fail;
}
if ((cl = esl_event_get_header(revent, "content-length"))) {
char *body;
esl_ssize_t sofar = 0;
len = atol(cl);
body = malloc(len+1);
esl_assert(body);
*(body + len) = '\0';
do {
esl_ssize_t r;
if ((r = recv(handle->sock, body + sofar, len - sofar, 0)) < 0) {
strerror_r(handle->errno, handle->err, sizeof(handle->err));
goto fail;
}
sofar += r;
} while (sofar < len);
revent->body = body;
}
handle->last_event = revent;
if (handle->last_event) {
const char *reply = esl_event_get_header(handle->last_event, "reply-text");
if (!esl_strlen_zero(reply)) {
strncpy(handle->last_reply, reply, sizeof(handle->last_reply));
}
}
if (handle->debug) {
char *foo;
esl_event_serialize(handle->last_event, &foo, ESL_FALSE);
printf("RECV MESSAGE\n%s\n", foo);
free(foo);
}
return ESL_SUCCESS;
fail:
esl_disconnect(handle);
return ESL_FAIL;
}
esl_status_t esl_send(esl_handle_t *handle, const char *cmd)
{
if (handle->debug) {
printf("SEND\n%s\n", cmd);
}
send(handle->sock, cmd, strlen(cmd), 0);
}
esl_status_t esl_send_recv(esl_handle_t *handle, const char *cmd)
{
esl_send(handle, cmd);
esl_recv(handle);
}

553
libs/esl/src/esl_event.c Normal file
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@ -0,0 +1,553 @@
/*
* Copyright (c) 2007, Anthony Minessale II
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the original author; nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <esl.h>
#include <esl_event.h>
static char *my_dup(const char *s)
{
size_t len = strlen(s) + 1;
void *new = malloc(len);
esl_assert(new);
return (char *) memcpy(new, s, len);
}
#ifndef ALLOC
#define ALLOC(size) malloc(size)
#endif
#ifndef DUP
#define DUP(str) my_dup(str)
#endif
#ifndef FREE
#define FREE(ptr) esl_safe_free(ptr)
#endif
/* make sure this is synced with the esl_event_types_t enum in esl_types.h
also never put any new ones before EVENT_ALL
*/
static char *EVENT_NAMES[] = {
"CUSTOM",
"CHANNEL_CREATE",
"CHANNEL_DESTROY",
"CHANNEL_STATE",
"CHANNEL_ANSWER",
"CHANNEL_HANGUP",
"CHANNEL_EXECUTE",
"CHANNEL_EXECUTE_COMPLETE",
"CHANNEL_BRIDGE",
"CHANNEL_UNBRIDGE",
"CHANNEL_PROGRESS",
"CHANNEL_PROGRESS_MEDIA",
"CHANNEL_OUTGOING",
"CHANNEL_PARK",
"CHANNEL_UNPARK",
"CHANNEL_APPLICATION",
"CHANNEL_ORIGINATE",
"CHANNEL_UUID",
"API",
"LOG",
"INBOUND_CHAN",
"OUTBOUND_CHAN",
"STARTUP",
"SHUTDOWN",
"PUBLISH",
"UNPUBLISH",
"TALK",
"NOTALK",
"SESSION_CRASH",
"MODULE_LOAD",
"MODULE_UNLOAD",
"DTMF",
"MESSAGE",
"PRESENCE_IN",
"NOTIFY_IN",
"PRESENCE_OUT",
"PRESENCE_PROBE",
"MESSAGE_WAITING",
"MESSAGE_QUERY",
"ROSTER",
"CODEC",
"BACKGROUND_JOB",
"DETECTED_SPEECH",
"DETECTED_TONE",
"PRIVATE_COMMAND",
"HEARTBEAT",
"TRAP",
"ADD_SCHEDULE",
"DEL_SCHEDULE",
"EXE_SCHEDULE",
"RE_SCHEDULE",
"RELOADXML",
"NOTIFY",
"SEND_MESSAGE",
"RECV_MESSAGE",
"REQUEST_PARAMS",
"CHANNEL_DATA",
"GENERAL",
"COMMAND",
"SESSION_HEARTBEAT",
"ALL"
};
const char *esl_event_name(esl_event_types_t event)
{
return EVENT_NAMES[event];
}
esl_status_t esl_name_event(const char *name, esl_event_types_t *type)
{
esl_event_types_t x;
for (x = 0; x <= ESL_EVENT_ALL; x++) {
if ((strlen(name) > 13 && !strcasecmp(name + 13, EVENT_NAMES[x])) || !strcasecmp(name, EVENT_NAMES[x])) {
*type = x;
return ESL_SUCCESS;
}
}
return ESL_FAIL;
}
esl_status_t esl_event_create_subclass(esl_event_t **event, esl_event_types_t event_id, const char *subclass_name)
{
*event = NULL;
if (event_id != ESL_EVENT_CUSTOM && subclass_name) {
return ESL_FAIL;
}
*event = ALLOC(sizeof(esl_event_t));
esl_assert(*event);
memset(*event, 0, sizeof(esl_event_t));
(*event)->event_id = event_id;
if (subclass_name) {
(*event)->subclass_name = DUP(subclass_name);
esl_event_add_header_string(*event, ESL_STACK_BOTTOM, "Event-Subclass", subclass_name);
}
return ESL_SUCCESS;
}
const char *esl_priority_name(esl_priority_t priority)
{
switch (priority) { /*lol */
case ESL_PRIORITY_NORMAL:
return "NORMAL";
case ESL_PRIORITY_LOW:
return "LOW";
case ESL_PRIORITY_HIGH:
return "HIGH";
default:
return "INVALID";
}
}
esl_status_t esl_event_set_priority(esl_event_t *event, esl_priority_t priority)
{
event->priority = priority;
esl_event_add_header_string(event, ESL_STACK_TOP, "priority", esl_priority_name(priority));
return ESL_SUCCESS;
}
#define ESL_HASH_KEY_STRING -1
static unsigned int esl_ci_hashfunc_default(const char *char_key, esl_ssize_t *klen)
{
unsigned int hash = 0;
const unsigned char *key = (const unsigned char *)char_key;
const unsigned char *p;
esl_ssize_t i;
if (*klen == ESL_HASH_KEY_STRING) {
for (p = key; *p; p++) {
hash = hash * 33 + tolower(*p);
}
*klen = p - key;
}
else {
for (p = key, i = *klen; i; i--, p++) {
hash = hash * 33 + tolower(*p);
}
}
return hash;
}
char *esl_event_get_header(esl_event_t *event, const char *header_name)
{
esl_event_header_t *hp;
esl_ssize_t hlen = -1;
unsigned long hash = 0;
esl_assert(event);
if (!header_name) return NULL;
hash = esl_ci_hashfunc_default(header_name, &hlen);
for (hp = event->headers; hp; hp = hp->next) {
if ((!hp->hash || hash == hp->hash) && !strcasecmp(hp->name, header_name) ) {
return hp->value;
}
}
return NULL;
}
char *esl_event_get_body(esl_event_t *event)
{
return (event ? event->body : NULL);
}
esl_status_t esl_event_del_header(esl_event_t *event, const char *header_name)
{
esl_event_header_t *hp, *lp = NULL, *tp;
esl_status_t status = ESL_FAIL;
int x = 0;
esl_ssize_t hlen = -1;
unsigned long hash = 0;
tp = event->headers;
while (tp) {
hp = tp;
tp = tp->next;
x++;
esl_assert(x < 1000);
hash = esl_ci_hashfunc_default(header_name, &hlen);
if ((!hp->hash || hash == hp->hash) && !strcasecmp(header_name, hp->name)) {
if (lp) {
lp->next = hp->next;
} else {
event->headers = hp->next;
}
if (hp == event->last_header || !hp->next) {
event->last_header = lp;
}
FREE(hp->name);
FREE(hp->value);
memset(hp, 0, sizeof(*hp));
FREE(hp);
status = ESL_SUCCESS;
} else {
lp = hp;
}
}
return status;
}
esl_status_t esl_event_base_add_header(esl_event_t *event, esl_stack_t stack, const char *header_name, char *data)
{
esl_event_header_t *header;
esl_ssize_t hlen = -1;
header = ALLOC(sizeof(*header));
esl_assert(header);
memset(header, 0, sizeof(*header));
header->name = DUP(header_name);
header->value = data;
header->hash = esl_ci_hashfunc_default(header->name, &hlen);
if (stack == ESL_STACK_TOP) {
header->next = event->headers;
event->headers = header;
if (!event->last_header) {
event->last_header = header;
}
} else {
if (event->last_header) {
event->last_header->next = header;
} else {
event->headers = header;
header->next = NULL;
}
event->last_header = header;
}
return ESL_SUCCESS;
}
esl_status_t esl_event_add_header(esl_event_t *event, esl_stack_t stack, const char *header_name, const char *fmt, ...)
{
int ret = 0;
char *data;
va_list ap;
va_start(ap, fmt);
ret = vasprintf(&data, fmt, ap);
va_end(ap);
if (ret == -1) {
return ESL_FAIL;
}
return esl_event_base_add_header(event, stack, header_name, data);
}
esl_status_t esl_event_add_header_string(esl_event_t *event, esl_stack_t stack, const char *header_name, const char *data)
{
if (data) {
return esl_event_base_add_header(event, stack, header_name, DUP(data));
}
return ESL_FAIL;
}
esl_status_t esl_event_add_body(esl_event_t *event, const char *fmt, ...)
{
int ret = 0;
char *data;
va_list ap;
if (fmt) {
va_start(ap, fmt);
ret = vasprintf(&data, fmt, ap);
va_end(ap);
if (ret == -1) {
return ESL_FAIL;
} else {
esl_safe_free(event->body);
event->body = data;
return ESL_SUCCESS;
}
} else {
return ESL_FAIL;
}
}
void esl_event_destroy(esl_event_t **event)
{
esl_event_t *ep = *event;
esl_event_header_t *hp, *this;
if (ep) {
for (hp = ep->headers; hp;) {
this = hp;
hp = hp->next;
FREE(this->name);
FREE(this->value);
memset(this, 0, sizeof(*this));
FREE(this);
}
FREE(ep->body);
FREE(ep->subclass_name);
memset(ep, 0, sizeof(*ep));
FREE(ep);
}
*event = NULL;
}
esl_status_t esl_event_dup(esl_event_t **event, esl_event_t *todup)
{
esl_event_header_t *header, *hp, *hp2, *last = NULL;
if (esl_event_create_subclass(event, todup->event_id, todup->subclass_name) != ESL_SUCCESS) {
return ESL_FAIL;
}
if (todup->subclass_name) {
(*event)->subclass_name = DUP(todup->subclass_name);
}
(*event)->event_user_data = todup->event_user_data;
(*event)->bind_user_data = todup->bind_user_data;
hp2 = (*event)->headers;
for (hp = todup->headers; hp; hp = hp->next) {
header = ALLOC(sizeof(*header));
esl_assert(header);
memset(header, 0, sizeof(*header));
header->name = DUP(hp->name);
header->value = DUP(hp->value);
if (last) {
last->next = header;
} else {
(*event)->headers = header;
}
(*event)->last_header = last = header;
}
if (todup->body) {
(*event)->body = DUP(todup->body);
}
(*event)->key = todup->key;
return ESL_SUCCESS;
}
esl_status_t esl_event_serialize(esl_event_t *event, char **str, esl_bool_t encode)
{
size_t len = 0;
esl_event_header_t *hp;
size_t llen = 0, dlen = 0, blocksize = 512, encode_len = 1536, new_len = 0;
char *buf;
char *encode_buf = NULL; /* used for url encoding of variables to make sure unsafe things stay out of the serialized copy */
*str = NULL;
dlen = blocksize * 2;
if (!(buf = malloc(dlen))) {
return ESL_FAIL;
}
/* go ahead and give ourselves some space to work with, should save a few reallocs */
if (!(encode_buf = malloc(encode_len))) {
esl_safe_free(buf);
return ESL_FAIL;
}
/* esl_log_printf(ESL_CHANNEL_LOG, ESL_LOG_INFO, "hit serialized!.\n"); */
for (hp = event->headers; hp; hp = hp->next) {
/*
* grab enough memory to store 3x the string (url encode takes one char and turns it into %XX)
* so we could end up with a string that is 3 times the originals length, unlikely but rather
* be safe than destroy the string, also add one for the null. And try to be smart about using
* the memory, allocate and only reallocate if we need more. This avoids an alloc, free CPU
* destroying loop.
*/
new_len = (strlen(hp->value) * 3) + 1;
if (encode_len < new_len) {
char *tmp;
/* esl_log_printf(ESL_CHANNEL_LOG, ESL_LOG_INFO, "Allocing %d was %d.\n", ((strlen(hp->value) * 3) + 1), encode_len); */
/* we can use realloc for initial alloc as well, if encode_buf is zero it treats it as a malloc */
/* keep track of the size of our allocation */
encode_len = new_len;
if (!(tmp = realloc(encode_buf, encode_len))) {
/* oh boy, ram's gone, give back what little we grabbed and bail */
esl_safe_free(buf);
esl_safe_free(encode_buf);
return ESL_FAIL;
}
encode_buf = tmp;
}
/* handle any bad things in the string like newlines : etc that screw up the serialized format */
if (encode) {
esl_url_encode(hp->value, encode_buf, encode_len);
} else {
snprintf(encode_buf, encode_len, "[%s]", hp->value);
}
llen = strlen(hp->name) + strlen(encode_buf) + 8;
if ((len + llen) > dlen) {
char *m;
dlen += (blocksize + (len + llen));
if ((m = realloc(buf, dlen))) {
buf = m;
} else {
/* we seem to be out of memory trying to resize the serialize string, give back what we already have and give up */
esl_safe_free(buf);
esl_safe_free(encode_buf);
return ESL_FAIL;
}
}
snprintf(buf + len, dlen - len, "%s: %s\n", hp->name, *encode_buf == '\0' ? "_undef_" : encode_buf);
len = strlen(buf);
}
/* we are done with the memory we used for encoding, give it back */
esl_safe_free(encode_buf);
if (event->body) {
int blen = (int) strlen(event->body);
llen = blen;
if (blen) {
llen += 25;
} else {
llen += 5;
}
if ((len + llen) > dlen) {
char *m;
dlen += (blocksize + (len + llen));
if ((m = realloc(buf, dlen))) {
buf = m;
} else {
esl_safe_free(buf);
return ESL_FAIL;
}
}
if (blen) {
snprintf(buf + len, dlen - len, "\n%s", event->body);
} else {
snprintf(buf + len, dlen - len, "\n");
}
} else {
snprintf(buf + len, dlen - len, "\n");
}
*str = buf;
return ESL_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
*/

237
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/*
* Cross Platform Thread/Mutex abstraction
* Copyright(C) 2007 Michael Jerris
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so.
*
* This work is provided under this license on an "as is" basis, without warranty of any kind,
* either expressed or implied, including, without limitation, warranties that the covered code
* is free of defects, merchantable, fit for a particular purpose or non-infringing. The entire
* risk as to the quality and performance of the covered code is with you. Should any covered
* code prove defective in any respect, you (not the initial developer or any other contributor)
* assume the cost of any necessary servicing, repair or correction. This disclaimer of warranty
* constitutes an essential part of this license. No use of any covered code is authorized hereunder
* except under this disclaimer.
*
*/
#ifdef WIN32
/* required for TryEnterCriticalSection definition. Must be defined before windows.h include */
#define _WIN32_WINNT 0x0400
#endif
#include "esl.h"
#include "esl_threadmutex.h"
#ifdef WIN32
#include <process.h>
#define ESL_THREAD_CALLING_CONVENTION __stdcall
struct esl_mutex {
CRITICAL_SECTION mutex;
};
#else
#include <pthread.h>
#define ESL_THREAD_CALLING_CONVENTION
struct esl_mutex {
pthread_mutex_t mutex;
};
#endif
struct esl_thread {
#ifdef WIN32
void *handle;
#else
pthread_t handle;
#endif
void *private_data;
esl_thread_function_t function;
size_t stack_size;
#ifndef WIN32
pthread_attr_t attribute;
#endif
};
size_t thread_default_stacksize = 0;
void esl_thread_override_default_stacksize(size_t size)
{
thread_default_stacksize = size;
}
static void * ESL_THREAD_CALLING_CONVENTION thread_launch(void *args)
{
void *exit_val;
esl_thread_t *thread = (esl_thread_t *)args;
exit_val = thread->function(thread, thread->private_data);
#ifndef WIN32
pthread_attr_destroy(&thread->attribute);
#endif
free(thread);
return exit_val;
}
esl_status_t esl_thread_create_detached(esl_thread_function_t func, void *data)
{
return esl_thread_create_detached_ex(func, data, thread_default_stacksize);
}
esl_status_t esl_thread_create_detached_ex(esl_thread_function_t func, void *data, size_t stack_size)
{
esl_thread_t *thread = NULL;
esl_status_t status = ESL_FAIL;
if (!func || !(thread = (esl_thread_t *)malloc(sizeof(esl_thread_t)))) {
goto done;
}
thread->private_data = data;
thread->function = func;
thread->stack_size = stack_size;
#if defined(WIN32)
thread->handle = (void *)_beginthreadex(NULL, (unsigned)thread->stack_size, (unsigned int (__stdcall *)(void *))thread_launch, thread, 0, NULL);
if (!thread->handle) {
goto fail;
}
CloseHandle(thread->handle);
status = ESL_SUCCESS;
goto done;
#else
if (pthread_attr_init(&thread->attribute) != 0) goto fail;
if (pthread_attr_setdetachstate(&thread->attribute, PTHREAD_CREATE_DETACHED) != 0) goto failpthread;
if (thread->stack_size && pthread_attr_setstacksize(&thread->attribute, thread->stack_size) != 0) goto failpthread;
if (pthread_create(&thread->handle, &thread->attribute, thread_launch, thread) != 0) goto failpthread;
status = ESL_SUCCESS;
goto done;
failpthread:
pthread_attr_destroy(&thread->attribute);
#endif
fail:
if (thread) {
free(thread);
}
done:
return status;
}
esl_status_t esl_mutex_create(esl_mutex_t **mutex)
{
esl_status_t status = ESL_FAIL;
#ifndef WIN32
pthread_mutexattr_t attr;
#endif
esl_mutex_t *check = NULL;
check = (esl_mutex_t *)malloc(sizeof(**mutex));
if (!check)
goto done;
#ifdef WIN32
InitializeCriticalSection(&check->mutex);
#else
if (pthread_mutexattr_init(&attr))
goto done;
if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE))
goto fail;
if (pthread_mutex_init(&check->mutex, &attr))
goto fail;
goto success;
fail:
pthread_mutexattr_destroy(&attr);
goto done;
success:
#endif
*mutex = check;
status = ESL_SUCCESS;
done:
return status;
}
esl_status_t esl_mutex_destroy(esl_mutex_t **mutex)
{
esl_mutex_t *mp = *mutex;
*mutex = NULL;
if (!mp) {
return ESL_FAIL;
}
#ifdef WIN32
DeleteCriticalSection(&mp->mutex);
#else
if (pthread_mutex_destroy(&mp->mutex))
return ESL_FAIL;
#endif
free(mp);
return ESL_SUCCESS;
}
esl_status_t esl_mutex_lock(esl_mutex_t *mutex)
{
#ifdef WIN32
EnterCriticalSection(&mutex->mutex);
#else
if (pthread_mutex_lock(&mutex->mutex))
return ESL_FAIL;
#endif
return ESL_SUCCESS;
}
esl_status_t esl_mutex_trylock(esl_mutex_t *mutex)
{
#ifdef WIN32
if (!TryEnterCriticalSection(&mutex->mutex))
return ESL_FAIL;
#else
if (pthread_mutex_trylock(&mutex->mutex))
return ESL_FAIL;
#endif
return ESL_SUCCESS;
}
esl_status_t esl_mutex_unlock(esl_mutex_t *mutex)
{
#ifdef WIN32
LeaveCriticalSection(&mutex->mutex);
#else
if (pthread_mutex_unlock(&mutex->mutex))
return ESL_FAIL;
#endif
return ESL_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/

233
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/*
* Copyright (c) 2007, Anthony Minessale II
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the original author; nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ESL_H_
#define _ESL_H_
typedef struct esl_event_header esl_event_header_t;
typedef struct esl_event esl_event_t;
#define ESL_SEQ_ESC "\033["
/* Ansi Control character suffixes */
#define ESL_SEQ_HOME_CHAR 'H'
#define ESL_SEQ_HOME_CHAR_STR "H"
#define ESL_SEQ_CLEARLINE_CHAR '1'
#define ESL_SEQ_CLEARLINE_CHAR_STR "1"
#define ESL_SEQ_CLEARLINEEND_CHAR "K"
#define ESL_SEQ_CLEARSCR_CHAR0 '2'
#define ESL_SEQ_CLEARSCR_CHAR1 'J'
#define ESL_SEQ_CLEARSCR_CHAR "2J"
#define ESL_SEQ_DEFAULT_COLOR ESL_SEQ_ESC ESL_SEQ_END_COLOR /* Reset to Default fg/bg color */
#define ESL_SEQ_AND_COLOR ";" /* To add multiple color definitions */
#define ESL_SEQ_END_COLOR "m" /* To end color definitions */
/* Foreground colors values */
#define ESL_SEQ_F_BLACK "30"
#define ESL_SEQ_F_RED "31"
#define ESL_SEQ_F_GREEN "32"
#define ESL_SEQ_F_YELLOW "33"
#define ESL_SEQ_F_BLUE "34"
#define ESL_SEQ_F_MAGEN "35"
#define ESL_SEQ_F_CYAN "36"
#define ESL_SEQ_F_WHITE "37"
/* Background colors values */
#define ESL_SEQ_B_BLACK "40"
#define ESL_SEQ_B_RED "41"
#define ESL_SEQ_B_GREEN "42"
#define ESL_SEQ_B_YELLOW "43"
#define ESL_SEQ_B_BLUE "44"
#define ESL_SEQ_B_MAGEN "45"
#define ESL_SEQ_B_CYAN "46"
#define ESL_SEQ_B_WHITE "47"
/* Preset escape sequences - Change foreground colors only */
#define ESL_SEQ_FBLACK ESL_SEQ_ESC ESL_SEQ_F_BLACK ESL_SEQ_END_COLOR
#define ESL_SEQ_FRED ESL_SEQ_ESC ESL_SEQ_F_RED ESL_SEQ_END_COLOR
#define ESL_SEQ_FGREEN ESL_SEQ_ESC ESL_SEQ_F_GREEN ESL_SEQ_END_COLOR
#define ESL_SEQ_FYELLOW ESL_SEQ_ESC ESL_SEQ_F_YELLOW ESL_SEQ_END_COLOR
#define ESL_SEQ_FBLUE ESL_SEQ_ESC ESL_SEQ_F_BLUE ESL_SEQ_END_COLOR
#define ESL_SEQ_FMAGEN ESL_SEQ_ESC ESL_SEQ_F_MAGEN ESL_SEQ_END_COLOR
#define ESL_SEQ_FCYAN ESL_SEQ_ESC ESL_SEQ_F_CYAN ESL_SEQ_END_COLOR
#define ESL_SEQ_FWHITE ESL_SEQ_ESC ESL_SEQ_F_WHITE ESL_SEQ_END_COLOR
#define ESL_SEQ_BBLACK ESL_SEQ_ESC ESL_SEQ_B_BLACK ESL_SEQ_END_COLOR
#define ESL_SEQ_BRED ESL_SEQ_ESC ESL_SEQ_B_RED ESL_SEQ_END_COLOR
#define ESL_SEQ_BGREEN ESL_SEQ_ESC ESL_SEQ_B_GREEN ESL_SEQ_END_COLOR
#define ESL_SEQ_BYELLOW ESL_SEQ_ESC ESL_SEQ_B_YELLOW ESL_SEQ_END_COLOR
#define ESL_SEQ_BBLUE ESL_SEQ_ESC ESL_SEQ_B_BLUE ESL_SEQ_END_COLOR
#define ESL_SEQ_BMAGEN ESL_SEQ_ESC ESL_SEQ_B_MAGEN ESL_SEQ_END_COLOR
#define ESL_SEQ_BCYAN ESL_SEQ_ESC ESL_SEQ_B_CYAN ESL_SEQ_END_COLOR
#define ESL_SEQ_BWHITE ESL_SEQ_ESC ESL_SEQ_B_WHITE ESL_SEQ_END_COLOR
/* Preset escape sequences */
#define ESL_SEQ_HOME ESL_SEQ_ESC ESL_SEQ_HOME_CHAR_STR
#define ESL_SEQ_CLEARLINE ESL_SEQ_ESC ESL_SEQ_CLEARLINE_CHAR_STR
#define ESL_SEQ_CLEARLINEEND ESL_SEQ_ESC ESL_SEQ_CLEARLINEEND_CHAR
#define ESL_SEQ_CLEARSCR ESL_SEQ_ESC ESL_SEQ_CLEARSCR_CHAR ESL_SEQ_HOME
#if !defined(_XOPEN_SOURCE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
#define _XOPEN_SOURCE 600
#endif
#ifndef HAVE_STRINGS_H
#define HAVE_STRINGS_H 1
#endif
#ifndef HAVE_SYS_SOCKET_H
#define HAVE_SYS_SOCKET_H 1
#endif
#ifndef __WINDOWS__
#if defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32)
#define __WINDOWS__
#endif
#endif
#ifdef _MSC_VER
#ifndef __inline__
#define __inline__ __inline
#endif
#if (_MSC_VER >= 1400) /* VC8+ */
#ifndef _CRT_SECURE_NO_DEPRECATE
#define _CRT_SECURE_NO_DEPRECATE
#endif
#ifndef _CRT_NONSTDC_NO_DEPRECATE
#define _CRT_NONSTDC_NO_DEPRECATE
#endif
#endif
#ifndef strcasecmp
#define strcasecmp(s1, s2) _stricmp(s1, s2)
#endif
#ifndef strncasecmp
#define strncasecmp(s1, s2, n) _strnicmp(s1, s2, n)
#endif
#ifndef snprintf
#define snprintf _snprintf
#endif
#ifndef S_IRUSR
#define S_IRUSR _S_IREAD
#endif
#ifndef S_IWUSR
#define S_IWUSR _S_IWRITE
#endif
#undef HAVE_STRINGS_H
#undef HAVE_SYS_SOCKET_H
#endif
#include <time.h>
#ifndef WIN32
#include <sys/time.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include <assert.h>
#define esl_assert(_x) assert(_x)
#define esl_safe_free(_x) if (_x) free(_x); _x = NULL
#define esl_strlen_zero(s) (!s || *(s) == '\0')
#define esl_strlen_zero_buf(s) (*(s) == '\0')
#ifdef WIN32
#include <windows.h>
typedef HANDLE esl_socket_t;
typedef unsigned __int64 uint64_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int8 uint8_t;
typedef __int64 int64_t;
typedef __int32 int32_t;
typedef __int16 int16_t;
typedef __int8 int8_t;
typedef intptr_t esl_ssize_t;
typedef int esl_filehandle_t;
#else
#include <stdint.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdarg.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define ESL_SOCK_INVALID -1
typedef int esl_socket_t;
typedef ssize_t esl_ssize_t;
typedef int esl_filehandle_t;
#endif
typedef int16_t esl_port_t;
typedef enum {
ESL_SUCCESS,
ESL_FAIL
} esl_status_t;
typedef struct {
struct sockaddr_in sockaddr;
struct hostent hostent;
char hostbuf[256];
esl_socket_t sock;
char err[256];
int errno;
char header_buf[4196];
char last_reply[1024];
esl_event_t *last_event;
int debug;
int connected;
} esl_handle_t;
typedef enum {
ESL_TRUE = 1,
ESL_FALSE = 0
} esl_bool_t;
#include "esl_event.h"
#include "esl_threadmutex.h"
size_t esl_url_encode(const char *url, char *buf, size_t len);
char *esl_url_decode(char *s);
esl_status_t esl_connect(esl_handle_t *handle, const char *host, esl_port_t port, const char *password);
esl_status_t esl_disconnect(esl_handle_t *handle);
esl_status_t esl_send(esl_handle_t *handle, const char *cmd);
esl_status_t esl_recv(esl_handle_t *handle);
esl_status_t esl_send_recv(esl_handle_t *handle, const char *cmd);
#endif

284
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/*
* Copyright (c) 2007, Anthony Minessale II
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the original author; nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ESL_EVENT_H
#define ESL_EVENT_H
#include <esl.h>
typedef enum {
ESL_STACK_BOTTOM,
ESL_STACK_TOP
} esl_stack_t;
typedef enum {
ESL_EVENT_CUSTOM,
ESL_EVENT_CHANNEL_CREATE,
ESL_EVENT_CHANNEL_DESTROY,
ESL_EVENT_CHANNEL_STATE,
ESL_EVENT_CHANNEL_ANSWER,
ESL_EVENT_CHANNEL_HANGUP,
ESL_EVENT_CHANNEL_EXECUTE,
ESL_EVENT_CHANNEL_EXECUTE_COMPLETE,
ESL_EVENT_CHANNEL_BRIDGE,
ESL_EVENT_CHANNEL_UNBRIDGE,
ESL_EVENT_CHANNEL_PROGRESS,
ESL_EVENT_CHANNEL_PROGRESS_MEDIA,
ESL_EVENT_CHANNEL_OUTGOING,
ESL_EVENT_CHANNEL_PARK,
ESL_EVENT_CHANNEL_UNPARK,
ESL_EVENT_CHANNEL_APPLICATION,
ESL_EVENT_CHANNEL_ORIGINATE,
ESL_EVENT_CHANNEL_UUID,
ESL_EVENT_API,
ESL_EVENT_LOG,
ESL_EVENT_INBOUND_CHAN,
ESL_EVENT_OUTBOUND_CHAN,
ESL_EVENT_STARTUP,
ESL_EVENT_SHUTDOWN,
ESL_EVENT_PUBLISH,
ESL_EVENT_UNPUBLISH,
ESL_EVENT_TALK,
ESL_EVENT_NOTALK,
ESL_EVENT_SESSION_CRASH,
ESL_EVENT_MODULE_LOAD,
ESL_EVENT_MODULE_UNLOAD,
ESL_EVENT_DTMF,
ESL_EVENT_MESSAGE,
ESL_EVENT_PRESENCE_IN,
ESL_EVENT_NOTIFY_IN,
ESL_EVENT_PRESENCE_OUT,
ESL_EVENT_PRESENCE_PROBE,
ESL_EVENT_MESSAGE_WAITING,
ESL_EVENT_MESSAGE_QUERY,
ESL_EVENT_ROSTER,
ESL_EVENT_CODEC,
ESL_EVENT_BACKGROUND_JOB,
ESL_EVENT_DETECTED_SPEECH,
ESL_EVENT_DETECTED_TONE,
ESL_EVENT_PRIVATE_COMMAND,
ESL_EVENT_HEARTBEAT,
ESL_EVENT_TRAP,
ESL_EVENT_ADD_SCHEDULE,
ESL_EVENT_DEL_SCHEDULE,
ESL_EVENT_EXE_SCHEDULE,
ESL_EVENT_RE_SCHEDULE,
ESL_EVENT_RELOADXML,
ESL_EVENT_NOTIFY,
ESL_EVENT_SEND_MESSAGE,
ESL_EVENT_RECV_MESSAGE,
ESL_EVENT_REQUEST_PARAMS,
ESL_EVENT_CHANNEL_DATA,
ESL_EVENT_GENERAL,
ESL_EVENT_COMMAND,
ESL_EVENT_SESSION_HEARTBEAT,
ESL_EVENT_ALL
} esl_event_types_t;
typedef enum {
ESL_PRIORITY_NORMAL,
ESL_PRIORITY_LOW,
ESL_PRIORITY_HIGH
} esl_priority_t;
/*! \brief An event Header */
struct esl_event_header {
/*! the header name */
char *name;
/*! the header value */
char *value;
/*! hash of the header name */
unsigned long hash;
struct esl_event_header *next;
};
/*! \brief Representation of an event */
struct esl_event {
/*! the event id (descriptor) */
esl_event_types_t event_id;
/*! the priority of the event */
esl_priority_t priority;
/*! the owner of the event */
char *owner;
/*! the subclass of the event */
char *subclass_name;
/*! the event headers */
esl_event_header_t *headers;
/*! the event headers tail pointer */
esl_event_header_t *last_header;
/*! the body of the event */
char *body;
/*! user data from the subclass provider */
void *bind_user_data;
/*! user data from the event sender */
void *event_user_data;
/*! unique key */
unsigned long key;
struct esl_event *next;
};
#define ESL_EVENT_SUBCLASS_ANY NULL
/*!
\brief Create an event
\param event a NULL pointer on which to create the event
\param event_id the event id enumeration of the desired event
\param subclass_name the subclass name for custom event (only valid when event_id is ESL_EVENT_CUSTOM)
\return ESL_STATUS_SUCCESS on success
*/
esl_status_t esl_event_create_subclass(esl_event_t **event, esl_event_types_t event_id, const char *subclass_name);
/*!
\brief Set the priority of an event
\param event the event to set the priority on
\param priority the event priority
\return ESL_STATUS_SUCCESS
*/
esl_status_t esl_event_set_priority(esl_event_t *event, esl_priority_t priority);
/*!
\brief Retrieve a header value from an event
\param event the event to read the header from
\param header_name the name of the header to read
\return the value of the requested header
*/
char *esl_event_get_header(esl_event_t *event, const char *header_name);
/*!
\brief Retrieve the body value from an event
\param event the event to read the body from
\return the value of the body or NULL
*/
char *esl_event_get_body(esl_event_t *event);
/*!
\brief Add a header to an event
\param event the event to add the header to
\param stack the stack sense (stack it on the top or on the bottom)
\param header_name the name of the header to add
\param fmt the value of the header (varargs see standard sprintf family)
\return ESL_STATUS_SUCCESS if the header was added
*/
esl_status_t esl_event_add_header(esl_event_t *event, esl_stack_t stack,
const char *header_name, const char *fmt, ...); //PRINTF_FUNCTION(4, 5);
/*!
\brief Add a string header to an event
\param event the event to add the header to
\param stack the stack sense (stack it on the top or on the bottom)
\param header_name the name of the header to add
\param data the value of the header
\return ESL_STATUS_SUCCESS if the header was added
*/
esl_status_t esl_event_add_header_string(esl_event_t *event, esl_stack_t stack, const char *header_name, const char *data);
esl_status_t esl_event_del_header(esl_event_t *event, const char *header_name);
/*!
\brief Destroy an event
\param event pointer to the pointer to event to destroy
*/
void esl_event_destroy(esl_event_t **event);
#define esl_event_safe_destroy(_event) if (_event) esl_event_destroy(_event)
/*!
\brief Duplicate an event
\param event a NULL pointer on which to duplicate the event
\param todup an event to duplicate
\return ESL_STATUS_SUCCESS if the event was duplicated
*/
esl_status_t esl_event_dup(esl_event_t **event, esl_event_t *todup);
/*!
\brief Render the name of an event id enumeration
\param event the event id to render the name of
\return the rendered name
*/
const char *esl_event_name(esl_event_types_t event);
/*!
\brief return the event id that matches a given event name
\param name the name of the event
\param type the event id to return
\return ESL_STATUS_SUCCESS if there was a match
*/
esl_status_t esl_name_event(const char *name, esl_event_types_t *type);
/*!
\brief Render a string representation of an event sutable for printing or network transport
\param event the event to render
\param str a string pointer to point at the allocated data
\param encode url encode the headers
\return ESL_STATUS_SUCCESS if the operation was successful
\note you must free the resulting string when you are finished with it
*/
esl_status_t esl_event_serialize(esl_event_t *event, char **str, esl_bool_t encode);
/*!
\brief Add a body to an event
\param event the event to add to body to
\param fmt optional body of the event (varargs see standard sprintf family)
\return ESL_STATUS_SUCCESS if the body was added to the event
\note the body parameter can be shadowed by the esl_event_reserve_subclass_detailed function
*/
esl_status_t esl_event_add_body(esl_event_t *event, const char *fmt, ...);
/*!
\brief Create a new event assuming it will not be custom event and therefore hiding the unused parameters
\param event a NULL pointer on which to create the event
\param id the event id enumeration of the desired event
\return ESL_STATUS_SUCCESS on success
*/
#define esl_event_create(event, id) esl_event_create_subclass(event, id, ESL_EVENT_SUBCLASS_ANY)
const char *esl_priority_name(esl_priority_t priority);
///\}
#endif
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
*/

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/*
* Cross Platform Thread/Mutex abstraction
* Copyright(C) 2007 Michael Jerris
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so.
*
* This work is provided under this license on an "as is" basis, without warranty of any kind,
* either expressed or implied, including, without limitation, warranties that the covered code
* is free of defects, merchantable, fit for a particular purpose or non-infringing. The entire
* risk as to the quality and performance of the covered code is with you. Should any covered
* code prove defective in any respect, you (not the initial developer or any other contributor)
* assume the cost of any necessary servicing, repair or correction. This disclaimer of warranty
* constitutes an essential part of this license. No use of any covered code is authorized hereunder
* except under this disclaimer.
*
*/
#ifndef _ESL_THREADMUTEX_H
#define _ESL_THREADMUTEX_H
#include "esl.h"
typedef struct esl_mutex esl_mutex_t;
typedef struct esl_thread esl_thread_t;
typedef void *(*esl_thread_function_t) (esl_thread_t *, void *);
esl_status_t esl_thread_create_detached(esl_thread_function_t func, void *data);
esl_status_t esl_thread_create_detached_ex(esl_thread_function_t func, void *data, size_t stack_size);
void esl_thread_override_default_stacksize(size_t size);
esl_status_t esl_mutex_create(esl_mutex_t **mutex);
esl_status_t esl_mutex_destroy(esl_mutex_t **mutex);
esl_status_t esl_mutex_lock(esl_mutex_t *mutex);
esl_status_t esl_mutex_trylock(esl_mutex_t *mutex);
esl_status_t esl_mutex_unlock(esl_mutex_t *mutex);
#endif
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/

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#include <stdio.h>
#include <stdlib.h>
#include <esl.h>
int main(void)
{
esl_handle_t handle = {0};
handle.debug = 1;
esl_connect(&handle, "localhost", 8021, "ClueCon");
esl_send_recv(&handle, "api status\n\n");
esl_disconnect(&handle);
return 0;
}