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@fjorgemota fjorgemota/hello.cpp
Last active Aug 29, 2015

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Mini-Servidor em C++
#include <cstdlib>
#include <iostream>
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
using namespace std;
int main(int argc, char **argv) {
int sock, client;
cout << "Hello World\n" << flush;
sock= socket(AF_INET, SOCK_STREAM, 0);
if(sock < 0) {
cerr << "Socket nao pode ser criado\n" << flush;
return EXIT_FAILURE;
}
struct sockaddr_in addr, client_addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(atoi("8585"));
addr.sin_addr.s_addr = INADDR_ANY;
bind(sock, (sockaddr *) &addr, sizeof(addr));
listen(sock, 1000);
cout << "Escutando na porta 8585\n" << flush;
char response[] = "HTTP/1.1 200\r\nContent-Type: text/plain\r\n\r\nHello World";
while(true) {
socklen_t clilen = sizeof(client_addr);
client = accept(sock, (struct sockaddr *) &client_addr, &clilen);
cout << "Recebida conexao\n" << flush;
if(client < 0) {
cerr << "Socket nao pode ser aceito\n" << flush;
}
write(client, &response, sizeof(response)-1);
close(client);
}
close(sock);
return EXIT_SUCCESS;
}
.file "hello.cpp"
.local _ZStL8__ioinit
.comm _ZStL8__ioinit,1,1
.section .rodata
.LC0:
.string "Hello World\n"
.LC1:
.string "Socket nao pode ser criado\n"
.LC2:
.string "8585"
.LC3:
.string "Escutando na porta 8585\n"
.LC4:
.string "Recebida conexao\n"
.LC5:
.string "Socket nao pode ser aceito\n"
.text
.globl main
.type main, @function
main:
.LFB970:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $144, %rsp
movl %edi, -132(%rbp)
movq %rsi, -144(%rbp)
movq %fs:40, %rax
movq %rax, -8(%rbp)
xorl %eax, %eax
movl $.LC0, %esi
movl $_ZSt4cout, %edi
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
movl $_ZSt5flushIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_, %esi
movq %rax, %rdi
call _ZNSolsEPFRSoS_E
movl $0, %edx
movl $1, %esi
movl $2, %edi
call socket
movl %eax, -120(%rbp)
cmpl $0, -120(%rbp)
jns .L2
movl $.LC1, %esi
movl $_ZSt4cerr, %edi
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
movl $_ZSt5flushIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_, %esi
movq %rax, %rdi
call _ZNSolsEPFRSoS_E
movl $1, %eax
movq -8(%rbp), %rdx
xorq %fs:40, %rdx
je .L5
jmp .L6
.L2:
movw $2, -48(%rbp)
movl $.LC2, %edi
call atoi
movzwl %ax, %eax
movl %eax, %edi
call htons
movw %ax, -46(%rbp)
movl $0, -44(%rbp)
leaq -48(%rbp), %rcx
movl -120(%rbp), %eax
movl $16, %edx
movq %rcx, %rsi
movl %eax, %edi
call bind
movl -120(%rbp), %eax
movl $1000, %esi
movl %eax, %edi
call listen
movl $.LC3, %esi
movl $_ZSt4cout, %edi
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
movl $_ZSt5flushIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_, %esi
movq %rax, %rdi
call _ZNSolsEPFRSoS_E
movl $1347703880, -112(%rbp)
movl $825110831, -108(%rbp)
movl $808464928, -104(%rbp)
movl $1866664461, -100(%rbp)
movl $1852142702, -96(%rbp)
movl $2035559796, -92(%rbp)
movl $540697968, -88(%rbp)
movl $1954047348, -84(%rbp)
movl $1634496559, -80(%rbp)
movl $168652393, -76(%rbp)
movl $1699219981, -72(%rbp)
movl $544173164, -68(%rbp)
movl $1819438935, -64(%rbp)
movw $100, -60(%rbp)
.L4:
movl $16, -124(%rbp)
leaq -124(%rbp), %rdx
leaq -32(%rbp), %rcx
movl -120(%rbp), %eax
movq %rcx, %rsi
movl %eax, %edi
call accept
movl %eax, -116(%rbp)
movl $.LC4, %esi
movl $_ZSt4cout, %edi
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
movl $_ZSt5flushIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_, %esi
movq %rax, %rdi
call _ZNSolsEPFRSoS_E
cmpl $0, -116(%rbp)
jns .L3
movl $.LC5, %esi
movl $_ZSt4cerr, %edi
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
movl $_ZSt5flushIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_, %esi
movq %rax, %rdi
call _ZNSolsEPFRSoS_E
.L3:
leaq -112(%rbp), %rcx
movl -116(%rbp), %eax
movl $53, %edx
movq %rcx, %rsi
movl %eax, %edi
call write
movl -116(%rbp), %eax
movl %eax, %edi
call close
jmp .L4
.L6:
call __stack_chk_fail
.L5:
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE970:
.size main, .-main
.type _Z41__static_initialization_and_destruction_0ii, @function
_Z41__static_initialization_and_destruction_0ii:
.LFB976:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
movl %edi, -4(%rbp)
movl %esi, -8(%rbp)
cmpl $1, -4(%rbp)
jne .L7
cmpl $65535, -8(%rbp)
jne .L7
movl $_ZStL8__ioinit, %edi
call _ZNSt8ios_base4InitC1Ev
movl $_ZNSt8ios_base4InitD1Ev, %eax
movl $__dso_handle, %edx
movl $_ZStL8__ioinit, %esi
movq %rax, %rdi
call __cxa_atexit
.L7:
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE976:
.size _Z41__static_initialization_and_destruction_0ii, .-_Z41__static_initialization_and_destruction_0ii
.type _GLOBAL__sub_I_main, @function
_GLOBAL__sub_I_main:
.LFB977:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
movl $65535, %esi
movl $1, %edi
call _Z41__static_initialization_and_destruction_0ii
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE977:
.size _GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main
.section .ctors,"aw",@progbits
.align 8
.quad _GLOBAL__sub_I_main
.weakref _ZL20__gthrw_pthread_oncePiPFvvE,pthread_once
.weakref _ZL27__gthrw_pthread_getspecificj,pthread_getspecific
.weakref _ZL27__gthrw_pthread_setspecificjPKv,pthread_setspecific
.weakref _ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_,pthread_create
.weakref _ZL20__gthrw_pthread_joinmPPv,pthread_join
.weakref _ZL21__gthrw_pthread_equalmm,pthread_equal
.weakref _ZL20__gthrw_pthread_selfv,pthread_self
.weakref _ZL22__gthrw_pthread_detachm,pthread_detach
.weakref _ZL22__gthrw_pthread_cancelm,pthread_cancel
.weakref _ZL19__gthrw_sched_yieldv,sched_yield
.weakref _ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t,pthread_mutex_lock
.weakref _ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t,pthread_mutex_trylock
.weakref _ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec,pthread_mutex_timedlock
.weakref _ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t,pthread_mutex_unlock
.weakref _ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t,pthread_mutex_init
.weakref _ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t,pthread_mutex_destroy
.weakref _ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t,pthread_cond_broadcast
.weakref _ZL27__gthrw_pthread_cond_signalP14pthread_cond_t,pthread_cond_signal
.weakref _ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t,pthread_cond_wait
.weakref _ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec,pthread_cond_timedwait
.weakref _ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t,pthread_cond_destroy
.weakref _ZL26__gthrw_pthread_key_createPjPFvPvE,pthread_key_create
.weakref _ZL26__gthrw_pthread_key_deletej,pthread_key_delete
.weakref _ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t,pthread_mutexattr_init
.weakref _ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti,pthread_mutexattr_settype
.weakref _ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t,pthread_mutexattr_destroy
.ident "GCC: (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3"
.section .note.GNU-stack,"",@progbits
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