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libpsyc/test/test_psyc.c
2011-11-09 19:01:05 +01:00

348 lines
8.8 KiB
C

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/socket.h>
#include <psyc.h>
#include <psyc/parse.h>
#include <psyc/render.h>
#include <psyc/syntax.h>
#include "test.c"
// max size for routing & entity header
#define ROUTING_LINES 16
#define ENTITY_LINES 32
// cmd line args
char *filename, *port = "4440";
uint8_t verbose, stats;
uint8_t multiple, single, routing_only, no_render, quiet, progress;
size_t count = 1, recv_buf_size;
PsycParseState parsers[NUM_PARSERS];
PsycPacket packets[NUM_PARSERS];
PsycModifier routing[NUM_PARSERS][ROUTING_LINES];
PsycModifier entity[NUM_PARSERS][ENTITY_LINES];
int contbytes, exit_code;
static inline
void resetString (PsycString *s, uint8_t freeptr);
// initialize parser & packet variables
void test_init (int i) {
// reset parser state & packet
psyc_parse_state_init(&parsers[i], routing_only ?
PSYC_PARSE_ROUTING_ONLY : PSYC_PARSE_ALL);
memset(&packets[i], 0, sizeof(PsycPacket));
memset(&routing[i], 0, sizeof(PsycModifier) * ROUTING_LINES);
memset(&entity[i], 0, sizeof(PsycModifier) * ENTITY_LINES);
packets[i].routing.modifiers = routing[i];
packets[i].entity.modifiers = entity[i];
}
// parse & render input
int test_input (int i, char *recvbuf, size_t nbytes) {
int j, ret, retl, r;
char sendbuf[SEND_BUF_SIZE];
char *parsebuf = recvbuf - contbytes;
/* We have a buffer with pointers pointing to various parts of it:
* *contbuf-vv
* buffer: [ ccrrrr]
* *recvbuf---^^^^
* *parsebuf-^^^^^^
*
* New data is in recvbuf, if it contains an incomplete packet then remaining
* unparsed data is copied to contbuf that will be parsed during the next call
* to this function together with the new data.
*/
PsycParseState *parser = &parsers[i];
PsycPacket *packet = &packets[i];
char oper;
PsycString name, value, elem;
PsycString *pname = NULL, *pvalue = NULL;
PsycModifier *mod = NULL;
PsycParseListState listState;
size_t len;
// Set buffer with data for the parser.
psyc_parse_buffer_set(parser, parsebuf, contbytes + nbytes);
contbytes = 0;
oper = 0;
name.length = 0;
value.length = 0;
do {
if (verbose >= 3)
printf("\n# buffer = [%.*s]\n# part = %d\n", (int)parser->buffer.length, parser->buffer.data, parser->part);
// Parse the next part of the packet (a routing/entity modifier or the body)
ret = exit_code = psyc_parse(parser, &oper, &name, &value);
if (verbose >= 2)
printf("# ret = %d\n", ret);
switch (ret) {
case PSYC_PARSE_ROUTING:
assert(packet->routing.lines < ROUTING_LINES);
mod = &(packet->routing.modifiers[packet->routing.lines]);
pname = &mod->name;
pvalue = &mod->value;
mod->flag = PSYC_MODIFIER_ROUTING;
packet->routing.lines++;
break;
case PSYC_PARSE_ENTITY_START:
case PSYC_PARSE_ENTITY_CONT:
case PSYC_PARSE_ENTITY_END:
case PSYC_PARSE_ENTITY:
assert(packet->entity.lines < ENTITY_LINES);
mod = &(packet->entity.modifiers[packet->entity.lines]);
pname = &mod->name;
pvalue = &mod->value;
if (ret == PSYC_PARSE_ENTITY || ret == PSYC_PARSE_ENTITY_END) {
packet->entity.lines++;
mod->flag = psyc_parse_value_length_found(parser) ?
PSYC_MODIFIER_NEED_LENGTH : PSYC_MODIFIER_NO_LENGTH;
}
break;
case PSYC_PARSE_BODY_START:
case PSYC_PARSE_BODY_CONT:
case PSYC_PARSE_BODY_END:
case PSYC_PARSE_BODY:
pname = &(packet->method);
pvalue = &(packet->data);
break;
case PSYC_PARSE_COMPLETE:
if (verbose)
printf("# Done parsing.\n");
else if (progress)
r = write(1, ".", 1);
if ((filename && !multiple) || (!filename && single))
ret = -1;
if (!no_render) {
packet->flag = psyc_parse_content_length_found(parser) ?
PSYC_PACKET_NEED_LENGTH : PSYC_PACKET_NO_LENGTH;
if (routing_only) {
packet->content = packet->data;
resetString(&(packet->data), 0);
}
psyc_packet_length_set(packet);
if (psyc_render(packet, sendbuf, SEND_BUF_SIZE) == PSYC_RENDER_SUCCESS) {
if (!quiet) {
if (filename && write(1, sendbuf, packet->length) == -1) {
perror("write");
ret = -1;
} else if (!filename && send(i, sendbuf, packet->length, 0) == -1) {
perror("send");
ret = -1;
}
}
} else {
printf("# Render error");
ret = -1;
}
}
// reset packet
packet->routingLength = 0;
packet->contentLength = 0;
packet->length = 0;
packet->flag = 0;
for (j = 0; j < packet->routing.lines; j++) {
resetString(&(packet->routing.modifiers[j].name), 1);
resetString(&(packet->routing.modifiers[j].value), 1);
}
packet->routing.lines = 0;
if (routing_only) {
resetString(&(packet->content), 1);
} else {
for (j = 0; j < packet->entity.lines; j++) {
resetString(&(packet->entity.modifiers[j].name), 1);
resetString(&(packet->entity.modifiers[j].value), 1);
}
packet->entity.lines = 0;
resetString(&(packet->method), 1);
resetString(&(packet->data), 1);
}
break;
case PSYC_PARSE_INSUFFICIENT:
if (verbose >= 2)
printf("# Insufficient data.\n");
contbytes = psyc_parse_remaining_length(parser);
if (contbytes > 0) { // copy end of parsebuf before start of recvbuf
if (verbose >= 3)
printf("# remaining = [%.*s]\n", (int)contbytes, psyc_parse_remaining_buffer(parser));
assert(contbytes <= CONT_BUF_SIZE); // make sure it's still in the buffer
memmove(recvbuf - contbytes, psyc_parse_remaining_buffer(parser), contbytes);
}
ret = 0;
break;
default:
printf("# Error while parsing: %i\n", ret);
ret = -1;
}
switch (ret) {
case PSYC_PARSE_ENTITY_START:
case PSYC_PARSE_ENTITY_CONT:
case PSYC_PARSE_BODY_START:
case PSYC_PARSE_BODY_CONT:
ret = 0;
case PSYC_PARSE_ENTITY:
case PSYC_PARSE_ENTITY_END:
case PSYC_PARSE_ROUTING:
case PSYC_PARSE_BODY:
case PSYC_PARSE_BODY_END:
if (oper) {
mod->oper = oper;
if (verbose >= 2)
printf("%c", oper);
}
if (name.length) {
pname->data = malloc(name.length);
pname->length = name.length;
assert(pname->data != NULL);
memcpy((void*)pname->data, name.data, name.length);
name.length = 0;
if (verbose >= 2)
printf("%.*s = ", (int)pname->length, pname->data);
}
if (value.length) {
if (!pvalue->length) {
if (psyc_parse_value_length_found(parser))
len = psyc_parse_value_length(parser);
else
len = value.length;
pvalue->data = malloc(len);
}
assert(pvalue->data != NULL);
memcpy((void*)pvalue->data + pvalue->length, value.data, value.length);
pvalue->length += value.length;
value.length = 0;
if (verbose >= 2) {
printf("[%.*s]", (int)pvalue->length, pvalue->data);
if (parser->valueLength > pvalue->length)
printf("...");
printf("\n");
}
}
else if (verbose)
printf("\n");
if (verbose >= 3)
printf("\t\t\t\t\t\t\t\t# n:%ld v:%ld c:%ld r:%ld\n",
pname->length, pvalue->length,
parser->contentParsed, parser->routingLength);
}
switch (ret) {
case PSYC_PARSE_ROUTING:
case PSYC_PARSE_ENTITY:
case PSYC_PARSE_ENTITY_END:
oper = 0;
name.length = 0;
value.length = 0;
if (psyc_var_is_list(PSYC_S2ARG(*pname))) {
if (verbose >= 2)
printf("## LIST START\n");
psyc_parse_list_state_init(&listState);
psyc_parse_list_buffer_set(&listState, PSYC_S2ARG(*pvalue));
do {
retl = psyc_parse_list(&listState, &elem);
switch (retl) {
case PSYC_PARSE_LIST_END:
retl = 0;
case PSYC_PARSE_LIST_ELEM:
if (verbose >= 2) {
printf("|%.*s\n", (int)elem.length, elem.data);
if (ret == PSYC_PARSE_LIST_END)
printf("## LIST END");
}
break;
default:
printf("# Error while parsing list: %i\n", retl);
ret = retl = -1;
}
}
while (retl > 0);
}
}
}
while (ret > 0);
if (progress)
r = write(1, " ", 1);
return ret;
}
static inline
void resetString (PsycString *s, uint8_t freeptr)
{
if (freeptr && s->length)
free((void*)s->data);
s->data = NULL;
s->length = 0;
}
int main (int argc, char **argv) {
int c;
while ((c = getopt (argc, argv, "f:p:b:c:mnqrsvPSh")) != -1) {
switch (c) {
CASE_f CASE_p CASE_b CASE_c
CASE_m CASE_n CASE_q CASE_r
CASE_s CASE_v CASE_S CASE_P
case 'h':
printf(
HELP_FILE("test_psyc", "mnqrSsvP")
HELP_PORT("test_psyc", "nqrsvP")
HELP_f HELP_p HELP_b HELP_c
HELP_m HELP_n HELP_r
HELP_q HELP_S HELP_s
HELP_v HELP_P HELP_h,
port, RECV_BUF_SIZE);
exit(0);
case '?': exit(-1);
default: abort();
}
}
if (filename)
test_file(filename, count, recv_buf_size);
else
test_server(port, count, recv_buf_size);
return exit_code;
}