smcp_status_t
resend_get_request(void* context) {
ThingMLCOAPContext * thingml_context = (ThingMLCOAPContext*) context;
smcp_status_t status = 0;
status = smcp_outbound_begin(smcp_get_current_instance(),COAP_METHOD_GET, get_tt);
require_noerr(status,bail);
status = smcp_outbound_set_uri(thingml_context->url, 0);
require_noerr(status,bail);
if(request_accept_type!=COAP_CONTENT_TYPE_UNKNOWN) {
status = smcp_outbound_add_option_uint(COAP_OPTION_ACCEPT, request_accept_type);
require_noerr(status,bail);
}
status = smcp_outbound_send();
if(status) {
check_noerr(status);
fprintf(stderr,
"smcp_outbound_send() returned error %d(%s).\n",
status,
smcp_status_to_cstr(status));
goto bail;
}
bail:
return status;
}
smcp_status_t
plugtest_separate_async_resend_response(void* context)
{
smcp_status_t ret = 0;
struct smcp_async_response_s* async_response = (void*)context;
#if !SMCP_AVOID_PRINTF || VERBOSE_DEBUG
printf("Resending async response. . . %p\n",async_response);
#endif
ret = smcp_outbound_begin_async_response(COAP_RESULT_205_CONTENT,async_response);
require_noerr(ret,bail);
ret = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_TEXT_PLAIN);
require_noerr(ret,bail);
ret = smcp_outbound_append_content("This was an asynchronous response!",SMCP_CSTR_LEN);
require_noerr(ret,bail);
ret = smcp_outbound_send();
require_noerr(ret,bail);
bail:
return ret;
}
static smcp_status_t
request_handler(void* context)
{
/* This request handler will respond to every GET request with "Hello world!".
* It isn't usually a good idea to (almost) completely ignore the actual
* request, but since this is just an example we can get away with it.
* We do more processing on the request in the other examples. */
printf("Got a request!\n");
// Only handle GET requests for now. Returning SMCP_STATUS_NOT_IMPLEMENTED
// here without sending a response will cause us to automatically
// send a METHOD_NOT_IMPLEMENTED response.
if(smcp_inbound_get_code() != COAP_METHOD_GET) {
return SMCP_STATUS_NOT_IMPLEMENTED;
}
// Begin describing the response message. (2.05 CONTENT,
// in this case)
smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
// Add an option describing the content type as plaintext.
smcp_outbound_add_option_uint(
COAP_OPTION_CONTENT_TYPE,
COAP_CONTENT_TYPE_TEXT_PLAIN
);
// Set the content of our response to be "Hello world!".
smcp_outbound_append_content("Hello world!", SMCP_CSTR_LEN);
// Send the response we hae created, passing the return value
// to our caller.
return smcp_outbound_send();
}
smcp_status_t
resend_async_response(void* context) {
smcp_status_t ret = 0;
struct smcp_async_response_s* async_response = (void*)context;
ret = smcp_outbound_begin_async_response(COAP_RESULT_205_CONTENT,async_response);
require_noerr(ret,bail);
ret = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_TEXT_PLAIN);
require_noerr(ret,bail);
ret = smcp_outbound_set_content_formatted("This was an asynchronous response!");
require_noerr(ret,bail);
ret = smcp_outbound_send();
require_noerr(ret,bail);
if(ret) {
assert_printf(
"smcp_outbound_send() returned error %d(%s).\n",
ret,
smcp_status_to_cstr(ret)
);
goto bail;
}
bail:
return ret;
}
static smcp_status_t
request_handler(void* context) {
/* This will respond to every GET request to `/hello-world' with
** "Hello world!". Everyone else gets a 4.04 Not Found. */
printf("Got a request!\n");
if(smcp_inbound_get_code() != COAP_METHOD_GET) {
return SMCP_STATUS_NOT_IMPLEMENTED;
}
while(smcp_inbound_peek_option(NULL, NULL) != COAP_OPTION_URI_PATH)
if(smcp_inbound_next_option(NULL, NULL) == COAP_OPTION_INVALID)
break;
if(smcp_inbound_option_strequal(COAP_OPTION_URI_PATH, "hello-world")) {
smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
smcp_outbound_add_option_uint(
COAP_OPTION_CONTENT_TYPE,
COAP_CONTENT_TYPE_TEXT_PLAIN
);
smcp_outbound_append_content("Hello world!", SMCP_CSTR_LEN);
return smcp_outbound_send();
}
return SMCP_STATUS_NOT_FOUND;
}
smcp_status_t
cgi_node_async_resend_response(void* context)
{
smcp_status_t ret = 0;
cgi_node_request_t request = context;
coap_size_t block_len = (1<<((request->block2&0x7)+4));
coap_size_t max_len;
syslog(LOG_INFO, "cgi-node: Resending async response. . .");
ret = smcp_outbound_begin_async_response(COAP_RESULT_205_CONTENT,&request->async_response);
require_noerr(ret,bail);
// ret = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_TEXT_PLAIN);
// require_noerr(ret,bail);
if(request->block1!=BLOCK_OPTION_UNSPECIFIED) {
ret = smcp_outbound_add_option_uint(COAP_OPTION_BLOCK1,request->block1);
require_noerr(ret,bail);
}
if(request->state == CGI_NODE_STATE_ACTIVE_BLOCK2_WAIT_ACK) {
if(request->stdout_buffer_len>block_len || request->fd_cmd_stdout>=0 || ((request->block2>>4)!=0)) {
if(request->stdout_buffer_len>block_len || request->fd_cmd_stdout>=0)
request->block2 |= (1<<3);
else
request->block2 &= ~(1<<3);
ret = smcp_outbound_add_option_uint(COAP_OPTION_BLOCK2,request->block2);
require_noerr(ret,bail);
}
char *content = smcp_outbound_get_content_ptr(&max_len);
require_noerr(ret,bail);
memcpy(content,request->stdout_buffer,MIN(request->stdout_buffer_len,block_len));
ret = smcp_outbound_set_content_len(MIN(request->stdout_buffer_len,block_len));
require_noerr(ret,bail);
}
ret = smcp_outbound_send();
require_noerr(ret,bail);
bail:
return ret;
}
smcp_status_t
plugtest_test_handler(smcp_node_t node)
{
smcp_status_t ret = SMCP_STATUS_NOT_ALLOWED;
char* content = NULL;
coap_size_t max_len = 0;
smcp_method_t method = smcp_inbound_get_code();
if(method==COAP_METHOD_GET) {
ret = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
} else if(method==COAP_METHOD_POST) {
ret = smcp_outbound_begin_response(COAP_RESULT_201_CREATED);
} else if(method==COAP_METHOD_PUT) {
ret = smcp_outbound_begin_response(COAP_RESULT_204_CHANGED);
} else if(method==COAP_METHOD_DELETE) {
ret = smcp_outbound_begin_response(COAP_RESULT_202_DELETED);
}
if(ret) goto bail;
smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_TEXT_PLAIN);
content = smcp_outbound_get_content_ptr(&max_len);
if(!content) {
ret = SMCP_STATUS_FAILURE;
goto bail;
}
smcp_inbound_get_path(content, SMCP_GET_PATH_LEADING_SLASH|SMCP_GET_PATH_INCLUDE_QUERY);
strlcat(content,"\nPlugtest!\nMethod = ",max_len);
strlcat(content,coap_code_to_cstr(method),max_len);
strlcat(content,"\n",max_len);
{
const uint8_t* value;
coap_size_t value_len;
coap_option_key_t key;
while((key=smcp_inbound_next_option(&value, &value_len))!=COAP_OPTION_INVALID) {
strlcat(content,coap_option_key_to_cstr(key,1),max_len);
strlcat(content,": ",max_len);
if(coap_option_value_is_string(key)) {
int argh = strlen(content)+value_len;
strlcat(content,(char*)value,MIN(max_len,argh+1));
content[argh] = 0;
} else {
strlcat(content,"<binary>",max_len);
}
strlcat(content,"\n",max_len);
}
}
smcp_outbound_set_content_len((coap_size_t)strlen(content));
ret = smcp_outbound_send();
bail:
return ret;
}
smcp_status_t
plugtest_obs_handler(
struct plugtest_server_s *self
) {
smcp_status_t ret = SMCP_STATUS_NOT_ALLOWED;
smcp_method_t method = smcp_inbound_get_code();
if(method==COAP_METHOD_GET) {
char* content = NULL;
coap_size_t max_len = 0;
ret = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
require_noerr(ret, bail);
ret = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_TEXT_PLAIN);
require_noerr(ret, bail);
if(!smcp_timer_is_scheduled(smcp_get_current_instance(), &self->obs_timer))
plugtest_obs_timer_callback(smcp_get_current_instance(),self);
ret = smcp_observable_update(&self->observable,PLUGTEST_OBS_KEY);
check_noerr(ret);
ret = smcp_outbound_add_option_uint(COAP_OPTION_MAX_AGE,10);
require_noerr(ret, bail);
content = smcp_outbound_get_content_ptr(&max_len);
require_action(content!=NULL, bail, ret = SMCP_STATUS_FAILURE);
require_action(max_len>11, bail, ret = SMCP_STATUS_MESSAGE_TOO_BIG);
ret = smcp_outbound_set_content_len(
(coap_size_t)strlen(uint32_to_dec_cstr(content, (uint32_t)time(NULL)))
);
require_noerr(ret, bail);
ret = smcp_outbound_send();
require_noerr(ret, bail);
}
bail:
return ret;
}
static smcp_status_t
resend_async_response(void* context) {
smcp_status_t ret = 0;
smcp_curl_request_t request = (smcp_curl_request_t)context;
struct smcp_async_response_s* async_response = &request->async_response;
coap_size_t len = (coap_size_t)request->content_len;
if(len>512) {
len = 512;
}
{
uint16_t code;
curl_easy_getinfo(request->curl, CURLINFO_RESPONSE_CODE,&code);
code = http_to_coap_code(code);
ret = smcp_outbound_begin_async_response(code,async_response);
require_noerr(ret,bail);
}
{
const char* content_type_string;
curl_easy_getinfo(request->curl, CURLINFO_CONTENT_TYPE,&content_type_string);
coap_content_type_t content_type = coap_content_type_from_cstr(content_type_string);
if(content_type!=COAP_CONTENT_TYPE_UNKNOWN) {
ret = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, content_type);
check_noerr(ret);
} else {
DEBUG_PRINTF("Unrecognised content-type: %s",content_type_string);
}
}
ret = smcp_outbound_append_content(request->content, len);
require_noerr(ret,bail);
ret = smcp_outbound_send();
require_noerr(ret,bail);
if(ret) {
assert_printf(
"smcp_outbound_send() returned error %d(%s).\n",
ret,
smcp_status_to_cstr(ret)
);
goto bail;
}
bail:
return ret;
}
smcp_status_t
smcp_outbound_set_var_content_unsigned_long_int(unsigned long int v) {
smcp_outbound_add_option_uint(
COAP_OPTION_CONTENT_TYPE,
SMCP_CONTENT_TYPE_APPLICATION_FORM_URLENCODED
);
#if SMCP_AVOID_PRINTF
{
char nstr[12];
smcp_outbound_append_content("v=", SMCP_CSTR_LEN);
return smcp_outbound_append_content(uint32_to_dec_cstr(nstr,v), SMCP_CSTR_LEN);
}
#else
return smcp_outbound_set_content_formatted_const("v=%ul",v);
#endif
}
smcp_status_t
smcp_observable_update(smcp_observable_t context, uint8_t key) {
smcp_status_t ret = SMCP_STATUS_OK;
smcp_t const interface = smcp_get_current_instance();
int8_t i;
#if !SMCP_EMBEDDED
context->interface = interface;
#endif
if(interface->inbound.is_fake || interface->inbound.is_dupe) {
goto bail;
}
for(i = context->first_observer-1; i >= 0; i = observer_table[i].next - 1) {
if(observer_table[i].key != key)
continue;
if(smcp_inbound_is_related_to_async_response(&observer_table[i].async_response))
break;
}
if(interface->inbound.has_observe_option) {
if(i == -1) {
i = get_unused_observer_index();
if(i == -1)
goto bail;
if(context->last_observer == 0) {
context->first_observer = context->last_observer = i + 1;
} else {
observer_table[context->last_observer-1].next = i +1;
context->last_observer = i + 1;
}
observer_table[i].key = key;
observer_table[i].seq = 0;
observer_table[i].observable = context;
}
smcp_start_async_response(&observer_table[i].async_response,SMCP_ASYNC_RESPONSE_FLAG_DONT_ACK);
ret = smcp_outbound_add_option_uint(COAP_OPTION_OBSERVE,observer_table[i].seq);
} else if(i != -1) {
free_observer(&observer_table[i]);
}
bail:
return ret;
}
static smcp_status_t
retry_sending_event(struct smcp_observer_s* observer)
{
smcp_status_t status;
smcp_t const self = smcp_get_current_instance();
status = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
require_noerr(status,bail);
status = smcp_outbound_set_async_response(&observer->async_response);
require_noerr(status,bail);
status = smcp_outbound_add_option_uint(COAP_OPTION_OBSERVE,observer->seq);
require_noerr(status,bail);
self->outbound.packet->tt = SHOULD_CONFIRM_EVENT_FOR_OBSERVER(observer)?COAP_TRANS_TYPE_CONFIRMABLE:COAP_TRANS_TYPE_NONCONFIRMABLE;
self->inbound.has_observe_option = true;
self->is_responding = true;
self->force_current_outbound_code = true;
self->is_processing_message = true;
self->did_respond = false;
#if VERBOSE_DEBUG
coap_dump_header(
SMCP_DEBUG_OUT_FILE,
"FAKE Inbound:\t",
self->inbound.packet,
self->inbound.packet_len
);
#endif
status = smcp_handle_request(self);
require(!status||status==SMCP_STATUS_NOT_FOUND||status==SMCP_STATUS_NOT_ALLOWED,bail);
if(status) {
smcp_outbound_set_content_len(0);
smcp_outbound_send();
}
bail:
self->is_processing_message = false;
self->did_respond = false;
return status;
}
static smcp_status_t
request_handler(void* context) {
smcp_status_t ret = SMCP_STATUS_OK;
char* content = (char*)smcp_inbound_get_content_ptr();
size_t content_length = smcp_inbound_get_content_len();
char *path = NULL;
FILE * pFile;
path = smcp_inbound_get_path(NULL,0); // path must be free()'d after this!
//require_action_string(path && path[0], (free((void*)path),ret = SMCP_STATUS_INVALID_ARGUMENT));
if(smcp_inbound_get_code() != COAP_METHOD_POST) {
return SMCP_STATUS_NOT_IMPLEMENTED;
}
// Skip to the URI path option
while(smcp_inbound_peek_option(NULL, NULL) != COAP_OPTION_URI_PATH)
if(smcp_inbound_next_option(NULL, NULL) == COAP_OPTION_INVALID)
break;
smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
smcp_outbound_add_option_uint(
COAP_OPTION_CONTENT_TYPE,
COAP_CONTENT_TYPE_TEXT_PLAIN);
if(content && content_length) {
// if content exist then print and write on .txt file with "a" being append feature.
pFile = fopen ("data-collect.txt","a");
printf("%s", content);
if (pFile!=NULL) {
fputs (content,pFile);
fclose (pFile);
}
/* Only print a newline if the content doesn't already print one. */
if((content[content_length - 1] != '\n'))
printf("\n");
}
ret = smcp_outbound_send();
free((void*)path);
bail:
return ret;
}
static smcp_status_t
request_handler(void* context) {
/* This will respond to every GET request to `/hello-world' with
** "Hello world!". Everyone else gets a 4.04 Not Found. */
printf("Got a request!\n");
// Only handle GET requests for now. Returning SMCP_STATUS_NOT_IMPLEMENTED
// here without sending a response will cause us to automatically
// send a METHOD_NOT_IMPLEMENTED response.
if(smcp_inbound_get_code() != COAP_METHOD_GET) {
return SMCP_STATUS_NOT_IMPLEMENTED;
}
// Skip to the URI path option
while(smcp_inbound_peek_option(NULL, NULL) != COAP_OPTION_URI_PATH)
if(smcp_inbound_next_option(NULL, NULL) == COAP_OPTION_INVALID)
break;
// If our URI path matches what we are looking for...
if(smcp_inbound_option_strequal(COAP_OPTION_URI_PATH, "hello-world")) {
// Begin describing the response message. (2.05 CONTENT,
// in this case)
smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
// Add an option describing the content type as plaintext.
smcp_outbound_add_option_uint(
COAP_OPTION_CONTENT_TYPE,
COAP_CONTENT_TYPE_TEXT_PLAIN
);
// Set the content of our response to be "Hello world!".
smcp_outbound_append_content("Hello world!", SMCP_CSTR_LEN);
// Send the response we hae created, passing the return value
// to our caller.
return smcp_outbound_send();
}
return SMCP_STATUS_NOT_FOUND;
}
static smcp_status_t
request_handler_get_listing_(
smcp_group_mgr_t self
) {
smcp_status_t ret = 0;
int i;
char name_str[3] = { };
// Fetching the group table.
ret = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
require_noerr(ret, bail);
ret = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_APPLICATION_LINK_FORMAT);
require_noerr(ret, bail);
for (i = 0; i < SMCP_CONF_MAX_GROUPS; i++) {
if (!self->group_table[i].in_use) {
continue;
}
name_str[0] = get_hex_char(i >> 4);
name_str[1] = get_hex_char(i >> 0);
smcp_outbound_append_content("<", SMCP_CSTR_LEN);
smcp_outbound_append_content(name_str, SMCP_CSTR_LEN);
smcp_outbound_append_content("/>;ct=40;obs,", SMCP_CSTR_LEN);
#if SMCP_ADD_NEWLINES_TO_LIST_OUTPUT
smcp_outbound_append_content("\n", SMCP_CSTR_LEN);
#endif
}
ret = smcp_outbound_send();
bail:
return ret;
}
smcp_status_t
resend_test_request(void* context) {
test_data_s* test_data = context;
smcp_status_t status = 0;
status = smcp_outbound_begin(smcp_get_current_instance(),test_data->outbound_code, test_data->outbound_tt);
require_noerr(status,bail);
status = smcp_outbound_set_uri(test_data->url, 0);
require_noerr(status,bail);
if (test_data->outbound_content_type != COAP_CONTENT_TYPE_UNKNOWN) {
status = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, test_data->outbound_content_type);
require_noerr(status,bail);
}
if (test_data->extra & EXT_BLOCK_01) {
struct coap_block_info_s block1_info;
uint32_t resource_length = 200;
uint32_t block_stop;
coap_decode_block(&block1_info, test_data->block1_option + (1<<4));
block_stop = block1_info.block_offset+block1_info.block_size;
if (block1_info.block_offset < resource_length) {
if (block_stop >= resource_length) {
test_data->block1_option &= ~(1<<3);
} else {
test_data->block1_option |= (1<<3);
}
if (test_data->has_block1_option) {
test_data->block1_option += (1<<4);
}
smcp_outbound_add_option_uint(COAP_OPTION_BLOCK1, test_data->block1_option);
if (block1_info.block_m) {
coap_size_t max_len = 0;
uint32_t i;
uint32_t block_stop;
char* content = NULL;
content = smcp_outbound_get_content_ptr(&max_len);
if (!content) {
status = SMCP_STATUS_FAILURE;
goto bail;
}
block_stop = block1_info.block_offset+block1_info.block_size;
for (i = block1_info.block_offset; i < block_stop; i++) {
if (!((i + 1) % 64)) {
content[i-block1_info.block_offset] = '\n';
} else {
content[i-block1_info.block_offset] = '0'+(i%10);
}
}
status = smcp_outbound_set_content_len(MIN((coap_code_t)(block_stop-block1_info.block_offset),(coap_code_t)(resource_length-block1_info.block_offset)));
require_noerr(status,bail);
}
}
}
if(test_data->extra & EXT_BLOCK_02) {
smcp_outbound_add_option_uint(COAP_OPTION_BLOCK2, 1); // 32 byte block size.
}
status = smcp_outbound_send();
if(status) {
check_noerr(status);
fprintf(stderr,
"smcp_outbound_send() returned error %d(%s).\n",
status,
smcp_status_to_cstr(status));
goto bail;
} else {
test_data->outbound_attempts++;
}
bail:
return status;
}
smcp_status_t
smcp_variable_node_request_handler(
smcp_variable_node_t node
) {
// TODO: Make this function use less stack space!
smcp_method_t method = smcp_inbound_get_code();
smcp_status_t ret = SMCP_STATUS_NOT_FOUND;
SMCP_NON_RECURSIVE coap_content_type_t content_type;
SMCP_NON_RECURSIVE char* content_ptr;
SMCP_NON_RECURSIVE size_t content_len;
SMCP_NON_RECURSIVE char buffer[SMCP_VARIABLE_MAX_VALUE_LENGTH+1];
SMCP_NON_RECURSIVE coap_content_type_t reply_content_type;
uint8_t key_index = BAD_KEY_INDEX;
size_t value_len;
bool needs_prefix = true;
char* prefix_name = "";
content_type = smcp_inbound_get_content_type();
content_ptr = (char*)smcp_inbound_get_content_ptr();
content_len = smcp_inbound_get_content_len();
reply_content_type = SMCP_CONTENT_TYPE_APPLICATION_FORM_URLENCODED;
require(node, bail);
// Look up the key index.
if(smcp_inbound_peek_option(NULL,&value_len)==COAP_OPTION_URI_PATH) {
if(!value_len) {
needs_prefix = false;
smcp_inbound_next_option(NULL,NULL);
} else for(key_index=0;key_index<BAD_KEY_INDEX;key_index++) {
ret = node->func(node,SMCP_VAR_GET_KEY,key_index,buffer);
require_action(ret==0,bail,ret=SMCP_STATUS_NOT_FOUND);
if(smcp_inbound_option_strequal(COAP_OPTION_URI_PATH, buffer)) {
smcp_inbound_next_option(NULL,NULL);
break;
}
}
}
{
coap_option_key_t key;
const uint8_t* value;
while((key=smcp_inbound_next_option(&value, &value_len))!=COAP_OPTION_INVALID) {
require_action(key!=COAP_OPTION_URI_PATH,bail,ret=SMCP_STATUS_NOT_FOUND);
if(key==COAP_OPTION_URI_QUERY) {
if( method == COAP_METHOD_POST
&& value_len>=2
&& strhasprefix_const((const char*)value,"v=")
) {
DEBUG_PRINTF("variable-node: value is in the query.");
content_type = COAP_CONTENT_TYPE_TEXT_PLAIN;
content_ptr = (char*)value+2;
content_len = value_len-2;
}
// } else if(key==COAP_OPTION_ETAG) {
// } else if(key==COAP_OPTION_IF_MATCH) {
// } else if(key==COAP_OPTION_IF_NONE_MATCH) {
} else if(key==COAP_OPTION_ACCEPT) {
reply_content_type = 0;
if(value_len==1)
reply_content_type = value[0];
else {
// Unsupported type.
}
} else if(COAP_OPTION_IS_CRITICAL(key)) {
ret=SMCP_STATUS_BAD_OPTION;
assert_printf("Unrecognized option %d, \"%s\"",
key,
coap_option_key_to_cstr(key, false)
);
goto bail;
}
}
}
// TODO: Implement me!
if(method == COAP_METHOD_PUT)
method = COAP_METHOD_POST;
if(method == COAP_METHOD_POST) {
require_action(!smcp_inbound_is_dupe(),bail,ret=0);
require_action(
key_index!=BAD_KEY_INDEX,
bail,
ret=SMCP_STATUS_NOT_ALLOWED
);
if(content_type==SMCP_CONTENT_TYPE_APPLICATION_FORM_URLENCODED) {
char* key = NULL;
char* value = NULL;
content_len = 0;
while(
url_form_next_value(
(char**)&content_ptr,
&key,
&value
)
&& key
&& value
) {
if(strequal_const(key, "v")) {
content_ptr = value;
content_len = strlen(value);
break;
}
}
}
// Make sure our content is zero terminated.
((char*)content_ptr)[content_len] = 0;
ret = node->func(node,SMCP_VAR_SET_VALUE,key_index,(char*)content_ptr);
require_noerr(ret,bail);
ret = smcp_outbound_begin_response(COAP_RESULT_204_CHANGED);
require_noerr(ret,bail);
ret = smcp_outbound_send();
require_noerr(ret,bail);
} else if(method == COAP_METHOD_GET) {
if(key_index==BAD_KEY_INDEX) {
char* content_end_ptr;
ret = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
require_noerr(ret,bail);
smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_APPLICATION_LINK_FORMAT);
ret = smcp_observable_update(&node->observable, SMCP_OBSERVABLE_BROADCAST_KEY);
check_string(ret==0,smcp_status_to_cstr(ret));
content_ptr = smcp_outbound_get_content_ptr(&content_len);
content_end_ptr = content_ptr+content_len;
for(key_index=0;key_index<BAD_KEY_INDEX;key_index++) {
ret = node->func(node,SMCP_VAR_GET_KEY,key_index,buffer);
if(ret) break;
if(content_ptr+2>=content_end_ptr) {
// No more room for content.
break;
}
*content_ptr++ = '<';
if(needs_prefix) {
content_ptr += url_encode_cstr(content_ptr, prefix_name, (content_end_ptr-content_ptr)-1);
content_ptr = stpncpy(content_ptr,"/",MIN(1,(content_end_ptr-content_ptr)-1));
}
content_ptr += url_encode_cstr(content_ptr, buffer, (content_end_ptr-content_ptr)-1);
*content_ptr++ = '>';
ret = node->func(node,SMCP_VAR_GET_VALUE,key_index,buffer);
if(content_ptr+4>=content_end_ptr) {
// No more room for content.
break;
}
if(!ret) {
strcpy(content_ptr,";v=");
content_ptr += 3;
content_ptr += quoted_cstr(content_ptr, buffer, (content_end_ptr-content_ptr)-1);
}
ret = node->func(node,SMCP_VAR_GET_LF_TITLE,key_index,buffer);
if(content_ptr+8>=content_end_ptr) {
// No more room for content.
break;
}
if(!ret) {
strcpy(content_ptr,";title=");
content_ptr += 7;
content_ptr += quoted_cstr(content_ptr, buffer, (content_end_ptr-content_ptr)-1);
}
// Observation flag
if(0==node->func(node,SMCP_VAR_GET_OBSERVABLE,key_index,NULL)) {
content_ptr = stpncpy(content_ptr,";obs",MIN(4,(content_end_ptr-content_ptr)-1));
}
*content_ptr++ = ',';
}
ret = smcp_outbound_set_content_len(content_len-(content_end_ptr-content_ptr));
require_noerr(ret,bail);
ret = smcp_outbound_send();
} else {
size_t replyContentLength = 0;
char *replyContent;
ret = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
require_noerr(ret,bail);
if(0==node->func(node,SMCP_VAR_GET_OBSERVABLE,key_index,buffer)) {
ret = smcp_observable_update(&node->observable, key_index);
check_string(ret==0,smcp_status_to_cstr(ret));
}
if(reply_content_type == SMCP_CONTENT_TYPE_APPLICATION_FORM_URLENCODED) {
uint32_t etag;
if(0==node->func(node,SMCP_VAR_GET_MAX_AGE,key_index,buffer)) {
#if HAVE_STRTOL
uint32_t max_age = strtol(buffer,NULL,0)&0xFFFFFF;
#else
uint32_t max_age = atoi(buffer)&0xFFFFFF;
#endif
smcp_outbound_add_option_uint(COAP_OPTION_MAX_AGE, max_age);
}
ret = node->func(node,SMCP_VAR_GET_VALUE,key_index,buffer);
require_noerr(ret,bail);
fasthash_start(0);
fasthash_feed((const uint8_t*)buffer,strlen(buffer));
etag = fasthash_finish_uint32();
smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, SMCP_CONTENT_TYPE_APPLICATION_FORM_URLENCODED);
smcp_outbound_add_option_uint(COAP_OPTION_ETAG, etag);
replyContent = smcp_outbound_get_content_ptr(&replyContentLength);
*replyContent++ = 'v';
*replyContent++ = '=';
replyContentLength -= 2;
replyContentLength = url_encode_cstr(
replyContent,
buffer,
replyContentLength
);
ret = smcp_outbound_set_content_len(replyContentLength+2);
} else {
ret = node->func(node,SMCP_VAR_GET_VALUE,key_index,buffer);
require_noerr(ret,bail);
ret = smcp_outbound_append_content(buffer, SMCP_CSTR_LEN);
}
require_noerr(ret,bail);
ret = smcp_outbound_send();
}
} else {
ret = smcp_default_request_handler(
(void*)node
);
check_string(ret == SMCP_STATUS_OK, smcp_status_to_cstr(ret));
}
bail:
check_string(ret == SMCP_STATUS_OK, smcp_status_to_cstr(ret));
return ret;
}
smcp_status_t
plugtest_large_handler(
smcp_node_t node
) {
smcp_status_t ret = SMCP_STATUS_NOT_ALLOWED;
char* content = NULL;
coap_size_t max_len = 0;
smcp_method_t method = smcp_inbound_get_code();
uint32_t block_option = 0x03;
uint32_t block_start = 0;
uint32_t block_stop = 0;
uint32_t resource_length = 2000;
if(method==COAP_METHOD_GET) {
ret = 0;
}
require_noerr(ret,bail);
{
const uint8_t* value;
coap_size_t value_len;
coap_option_key_t key;
while((key=smcp_inbound_next_option(&value, &value_len))!=COAP_OPTION_INVALID) {
if(key == COAP_OPTION_BLOCK2) {
uint8_t i;
block_option = 0;
for(i = 0; i < value_len; i++)
block_option = (block_option << 8) + value[i];
}
}
}
ret = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
require_noerr(ret,bail);
ret = smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_TEXT_PLAIN);
require_noerr(ret,bail);
ret = smcp_outbound_add_option_uint(COAP_OPTION_MAX_AGE,60*60);
require_noerr(ret,bail);
max_len = smcp_outbound_get_space_remaining()-2;
// Here we are making sure our data will fit,
// and adjusting our block-option size accordingly.
do {
struct coap_block_info_s block_info;
coap_decode_block(&block_info, block_option);
block_start = block_info.block_offset;
block_stop = block_info.block_offset + block_info.block_size;
if(max_len<(block_stop-block_start) && block_option!=0 && !block_info.block_offset) {
block_option--;
block_stop = 0;
continue;
}
} while(0==block_stop);
require_action(block_start<resource_length,bail,ret=SMCP_STATUS_INVALID_ARGUMENT);
if(block_stop>=resource_length)
block_option &= ~(1<<3);
else
block_option |= (1<<3);
ret = smcp_outbound_add_option_uint(COAP_OPTION_BLOCK2,block_option);
require_noerr(ret,bail);
content = smcp_outbound_get_content_ptr(&max_len);
require_action(NULL!=content, bail, ret = SMCP_STATUS_FAILURE);
require_action(max_len>(block_stop-block_start), bail, ret = SMCP_STATUS_MESSAGE_TOO_BIG);
{
uint32_t i;
for(i=block_start;i<block_stop;i++) {
if(!((i+1)%64))
content[i-block_start] = '\n';
else
content[i-block_start] = '0'+(i%10);
}
}
ret = smcp_outbound_set_content_len((coap_size_t)MIN(block_stop-block_start,resource_length-block_start));
if(ret) goto bail;
ret = smcp_outbound_send();
bail:
return ret;
}
smcp_status_t
smcp_outbound_set_uri(
const char* uri, char flags
) {
smcp_status_t ret = SMCP_STATUS_OK;
smcp_t const self = smcp_get_current_instance();
SMCP_NON_RECURSIVE struct url_components_s components;
SMCP_NON_RECURSIVE uint16_t toport;
SMCP_NON_RECURSIVE char* uri_copy;
memset((void*)&components, 0, sizeof(components));
toport = COAP_DEFAULT_PORT;
smcp_plat_set_session_type(SMCP_SESSION_TYPE_UDP);
uri_copy = NULL;
require_action(uri, bail, ret = SMCP_STATUS_INVALID_ARGUMENT);
{
#if HAVE_ALLOCA
uri_copy = alloca(strlen(uri) + 1);
strcpy(uri_copy, uri);
#elif SMCP_AVOID_MALLOC
// Well, we can't use the stack and we can't
// use malloc. Let's use what room we have left
// in the packet buffer, since this is temporary anyway...
// It helps a bunch that we know the user hasn't written
// any content yet (because that would be an API violation)
if (smcp_outbound_get_space_remaining() > strlen(uri) + 8) {
uri_copy = self->outbound.content_ptr + self->outbound.content_len;
// The options section may be expanding as we parse this, so
// we should move ahead by a few bytes. We are helped out
// by the fact that we will be writing the options in the
// same order they appear in the URL.
uri_copy += 8;
strcpy(uri_copy, uri);
}
#else
uri_copy = strdup(uri);
#endif
require_action(uri_copy != NULL, bail, ret = SMCP_STATUS_MALLOC_FAILURE);
// Parse the URI.
require_action_string(
url_parse(
uri_copy,
&components
),
bail,
ret = SMCP_STATUS_URI_PARSE_FAILURE,
"Unable to parse URL"
);
if(!components.protocol && !components.host) {
// Talking to ourself.
components.protocol = "coap";
components.host = "::1";
toport = smcp_plat_get_port(smcp_get_current_instance());
flags |= SMCP_MSG_SKIP_AUTHORITY;
} else if(components.port) {
toport = (uint16_t)atoi(components.port);
}
DEBUG_PRINTF(
"URI Parse: \"%s\" -> host=\"%s\" port=\"%u\" path=\"%s\"",
uri,
components.host,
toport,
components.path
);
}
if (components.protocol) {
smcp_session_type_t session_type = smcp_session_type_from_uri_scheme(components.protocol);
smcp_plat_set_session_type(session_type);
if (NULL == components.port) {
toport = smcp_default_port_from_session_type(session_type);
}
if (session_type == SMCP_SESSION_TYPE_NIL) {
require_action_string(
self->proxy_url,
bail,
ret=SMCP_STATUS_INVALID_ARGUMENT,
"No proxy URL configured"
);
require_action(uri != self->proxy_url,bail,ret = SMCP_STATUS_INVALID_ARGUMENT);
ret = smcp_outbound_add_option(COAP_OPTION_PROXY_URI, uri, SMCP_CSTR_LEN);
require_noerr(ret, bail);
ret = smcp_outbound_set_uri(self->proxy_url,flags);
goto bail;
}
}
if (!(flags & SMCP_MSG_SKIP_AUTHORITY)) {
if(components.host && !string_contains_colons(components.host)) {
ret = smcp_outbound_add_option(COAP_OPTION_URI_HOST, components.host, SMCP_CSTR_LEN);
require_noerr(ret, bail);
}
if(components.port) {
ret = smcp_outbound_add_option_uint(COAP_OPTION_URI_PORT, toport);
require_noerr(ret, bail);
}
}
if ( !(flags & SMCP_MSG_SKIP_DESTADDR)
&& components.host && components.host[0]!=0
) {
ret = smcp_set_remote_sockaddr_from_host_and_port(
components.host,
toport
);
require_noerr(ret, bail);
}
if (components.path) {
SMCP_NON_RECURSIVE char* component;
const bool has_trailing_slash = components.path[0]?('/' == components.path[strlen(components.path)-1]):false;
// Move past any preceding slashes.
while (components.path[0] == '/') {
components.path++;
}
while (url_path_next_component(&components.path,&component)) {
ret = smcp_outbound_add_option(COAP_OPTION_URI_PATH, component, SMCP_CSTR_LEN);
require_noerr(ret,bail);
}
if (has_trailing_slash) {
ret = smcp_outbound_add_option(COAP_OPTION_URI_PATH, NULL, 0);
require_noerr(ret,bail);
}
}
if (components.query) {
SMCP_NON_RECURSIVE char* key;
while (url_form_next_value(&components.query, &key, NULL)) {
coap_size_t len = (coap_size_t)strlen(key);
if (len) {
ret = smcp_outbound_add_option(COAP_OPTION_URI_QUERY, key, len);
}
require_noerr(ret,bail);
}
}
bail:
if(ret) {
DEBUG_PRINTF("URI Parse failed for URI: \"%s\"",uri);
}
#if !HAVE_ALLOCA && !SMCP_AVOID_MALLOC
free(uri_copy);
#endif
return ret;
}