feat: server

This commit is contained in:
Renge 2022-05-04 20:51:21 -04:00
parent 53bfd71f9f
commit bcabef7925

View File

@ -3,19 +3,134 @@
* Manages interaction with a client telephone unit (TU).
*/
#include <stdlib.h>
#include <pthread.h>
#include <string.h>
#include "debug.h"
#include "pbx.h"
#include "server.h"
#include "tu.h"
/*
* Thread function for the thread that handles interaction with a client TU.
* This is called after a network connection has been made via the main server
* thread and a new thread has been created to handle the connection.
*/
#if 0
#if 1
int pbx_get_next_command(FILE* f, char** str);
int pbx_run_command(TU *tu, char* cmd);
void *pbx_client_service(void *arg) {
// TO BE IMPLEMENTED
abort();
// detach the thread
pthread_detach(pthread_self());
// free file descriptor
if (!arg)
return NULL;
int fd = *(int*)arg;
free(arg);
// init TU
TU* tu = tu_init(fd);
if (!tu)
return NULL;
// open socket
FILE *f = fdopen(fd, "r");
// register tu
if (pbx_register(pbx, tu, fd))
{
// not success
fclose(f);
tu_unref(tu, "fail to register a TU");
return NULL;
}
else {
// success
char* command = NULL;
while (1)
{
command = NULL;
if (pbx_get_next_command(f, &command))
break;
debug("Got command: %s", command);
pbx_run_command(tu, command);
free(command);
}
// no more command
fclose(f);
tu_unref(tu, "unregister tu");
pbx_unregister(pbx, tu);
return NULL;
}
}
/**
* try to get the next command from f and assign to str
* return 0 if next command exist
* return -1 if next command does not exist or have length 0
* return -2 if fail to alloc memory
* return -3 if fail to realloc memory
*/
int pbx_get_next_command(FILE* f, char** str) {
int size = 8, index = 0;
char *cmd = malloc(sizeof(char) * size);
if (!cmd)
// fail to alloc memory
return -2;
char c;
while ((c = fgetc(f)) != EOF)
{
if (index == size - 1)
{
size *= 2;
cmd = realloc(cmd, sizeof(char)*size);
if (!cmd)
// fail to realloc memory
return -3;
}
if (c == '\n')
break;
if (c == '\r')
c = '\0';
cmd[index++] = c;
}
// command is empty
if (index == 0) {
free(cmd);
return -1;
}
cmd[index--] = '\0';
*str = cmd;
return 0;
}
int pbx_run_command(TU *tu, char* cmd) {
if (!strcmp(tu_command_names[TU_PICKUP_CMD], cmd))
return tu_pickup(tu);
if (!strcmp(tu_command_names[TU_HANGUP_CMD], cmd))
return tu_hangup(tu);
if (cmd == strstr(cmd, tu_command_names[TU_DIAL_CMD]))
{
char* ptr = &cmd[strlen(tu_command_names[TU_DIAL_CMD])];
while (*ptr == ' ')
ptr ++;
if (!*ptr)
return -1;
return pbx_dial(pbx, tu, atoi(ptr));
}
if (cmd == strstr(cmd, tu_command_names[TU_CHAT_CMD]))
{
char* ptr = &cmd[strlen(tu_command_names[TU_CHAT_CMD])];
while (*ptr == ' ')
ptr ++;
return tu_chat(tu, ptr);
}
return -1;
}
#endif